:root{
--navy:#17324d;--blue:#2878d4;--sky:#eaf6ff;--ink:#182433;--muted:#64748b;--line:#dbe7f0;--card:#fff;
--green:#16a36b;--orange:#f08a24;--purple:#7c5ce5;--pink:#e85d9e;--yellow:#f4c542;--red:#e05252;
--shadow:0 10px 30px rgba(24,48,74,.08);--shadow-hover:0 16px 38px rgba(24,48,74,.14);
}
*{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:linear-gradient(180deg,#f7fbff 0,#f8fafc 55%,#fff 100%);color:var(--ink);overflow-x:hidden;min-height:100vh}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 8% 8%,rgba(40,120,212,.08),transparent 28%),radial-gradient(circle at 92% 18%,rgba(232,93,158,.07),transparent 25%),radial-gradient(circle at 50% 100%,rgba(22,163,107,.06),transparent 30%)}
button,input,select,textarea{font:inherit}
button{touch-action:manipulation}
.mobile-menu-toggle{display:none;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.14);color:#fff;border-radius:12px;min-width:44px;min-height:44px;padding:8px 11px;font-size:23px;font-weight:900;cursor:pointer;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.12);touch-action:manipulation}.mobile-menu-toggle:hover{background:rgba(255,255,255,.22)}.mobile-menu-toggle:active{transform:scale(.96)}.top{background:linear-gradient(135deg,#17324d 0%,#1f527b 55%,#2878d4 100%);color:#fff;box-shadow:0 4px 22px rgba(23,50,77,.18);position:sticky;top:0;z-index:20}
.topbar{max-width:none;margin:0;padding:12px max(28px,calc((100vw - 1280px)/2 + 28px));display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand{font-weight:900;letter-spacing:-.02em;white-space:nowrap;font-size:17px;display:flex;align-items:center;gap:8px}
.brand:before{content:none!important;display:none!important}
.nav{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.nav button,.btn{border:0;border-radius:12px;padding:10px 15px;font-weight:800;cursor:pointer;min-height:44px;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,filter .16s ease}
.nav button{background:linear-gradient(135deg,rgba(255,255,255,.15),rgba(255,255,255,.08));color:#fff;border:1px solid rgba(255,255,255,.12);display:inline-flex;align-items:center;justify-content:center;gap:7px;box-shadow:0 3px 10px rgba(0,0,0,.08)}.nav-item .nav-icon{font-size:18px;line-height:1;filter:drop-shadow(0 1px 1px rgba(0,0,0,.18))}.nav-item>span:last-child{line-height:1.05}
.nav button:hover{background:rgba(255,255,255,.18);transform:translateY(-1px)}
.nav button:active,.btn:active{transform:translateY(1px) scale(.98)}
.btn{background:linear-gradient(135deg,#2878d4,#1f67bd);color:#fff;box-shadow:0 6px 16px rgba(40,120,212,.22)}
.btn:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 10px 22px rgba(40,120,212,.25)}
.btn.secondary{background:#edf4fa;color:var(--navy);box-shadow:none}.btn.green{background:linear-gradient(135deg,#16a36b,#0f8b5b)}.btn.orange{background:linear-gradient(135deg,#f08a24,#df6d12);color:#fff}.btn.purple{background:linear-gradient(135deg,#8a6bea,#694bd0)}.btn.pink{background:linear-gradient(135deg,#ef72aa,#d94d8f)}
.shell{width:100%;max-width:1240px;margin:auto;padding:26px}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px}
.card{grid-column:span 12;min-width:0;background:rgba(255,255,255,.96);border:1px solid rgba(219,231,240,.9);border-radius:20px;padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cbddea}
.half{grid-column:span 6}.third{grid-column:span 4}.students-roster{grid-column:span 12}
.hero{padding:34px 4px 26px;position:relative}
.dashboard-hero{padding:12px 4px 14px}
.dashboard-hero:after{font-size:24px;top:12px;right:1%}
.dashboard-strip{display:flex;align-items:center;gap:12px;min-width:0}
.dashboard-strip img,.dashboard-strip>div:first-child{width:52px!important;height:52px!important;min-width:52px!important;font-size:22px!important;border-width:2px!important}
.dashboard-identity{min-width:0;flex:1}
.dashboard-welcome{font-size:clamp(17px,2.4vw,23px);line-height:1.2;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dashboard-meta{margin-top:4px;color:var(--muted);font-size:12px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dashboard-link{border:0;background:none;color:#2878d4;font-weight:800;padding:0;cursor:pointer}
.dashboard-quick{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.dashboard-quick .btn{min-height:36px;padding:7px 10px;font-size:12px;border-radius:10px;box-shadow:none;line-height:1.15;text-align:center}
.dashboard-message{margin:8px 0 0 64px;padding:7px 10px;border:1px solid #dbe7f0;border-radius:10px;background:#f7fbff;color:#3564a2;font-size:12px;line-height:1.35}
.dashboard-message span{color:var(--muted);margin-left:4px}
.hero:after{content:"✨";position:absolute;right:2%;top:28px;font-size:38px;opacity:.65;animation:floaty 3.5s ease-in-out infinite}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.08;margin:8px 0;overflow-wrap:anywhere;letter-spacing:-.035em}
.hero p{font-size:16px;line-height:1.6;max-width:780px}
h2,h3{letter-spacing:-.02em}
.muted{color:var(--muted)}.pill{display:inline-flex;align-items:center;gap:5px;padding:6px 11px;border-radius:999px;background:linear-gradient(135deg,#eaf6ff,#f4edff);color:#3564a2;font-size:12px;font-weight:800;border:1px solid #d9e9f7}
label{display:block;font-size:13px;font-weight:800;margin:12px 0 6px}
input,select,textarea{width:100%;max-width:100%;padding:12px 13px;border:1px solid #cbd8e1;border-radius:12px;background:#fff;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s,background .15s}
input:hover,select:hover,textarea:hover{border-color:#a9c1d2}
input:focus,select:focus,textarea:focus{border-color:#4a91dc;box-shadow:0 0 0 4px rgba(40,120,212,.12)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row>.btn{flex:0 0 auto}
.import-box{margin:0 0 18px;padding:15px;border:2px dashed #c8dce9;border-radius:15px;background:#f8fcff}.file-btn{cursor:pointer;display:inline-flex;align-items:center}.student-manual-head{margin:4px 0 14px}.student-manual-head p{margin:0}.student-manual-form{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}.student-field{min-width:0}.student-field label{display:block;margin:0 0 6px;font-weight:800}.student-field small{display:block;margin-top:6px;color:var(--muted);font-size:.82rem;line-height:1.35}.student-wide{grid-column:1/-1}.generated-field{width:100%;box-sizing:border-box;padding:12px 13px;border:1px solid #d9e3ea;border-radius:12px;background:#f4f7f9;color:#5c7080;min-height:45px}.student-id-field small{margin-top:5px}.student-actions{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap;padding-top:2px}.student-actions .btn{margin:0}
.stats{font-size:32px;font-weight:900;letter-spacing:-.03em}
.notice{padding:13px 15px;border-radius:13px;background:#eefaf4;color:#216644;margin-top:14px;border:1px solid #cfeee0}.error{background:#fff1f1;color:#8a2b2b;border-color:#ffd4d4}
.q{padding:17px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.q:last-child{border-bottom:0}.q .grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.q .grid>label{min-width:0;margin:0}.q .grid select{width:100%;min-width:0}
.wq-friendly{padding:12px;border:1px solid var(--line,#dbe5ef);border-radius:14px;background:#fbfdff;margin:8px 0 14px}.wqpayload,.wqanswer{font-family:inherit}.wq-friendly input,.wq-friendly select{margin:0}.wq-line{display:flex;gap:8px;align-items:center;margin:7px 0}.wq-line input{flex:1}.wq-option-list{margin-bottom:8px}.wq-friendly .muted{font-size:.9rem}.wtype-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:8px 0 18px}
.match-wrap{margin-top:12px}.match-help,.sort-help{font-weight:800;color:#3564a2;background:#f4f8ff;border:1px solid #dce9f6;border-radius:12px;padding:10px 12px;margin-bottom:12px}.match-board{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;min-height:340px;padding:18px 12px}.match-col{gap:26px}.match-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}.match-line{stroke:#2878d4;stroke-width:4;stroke-linecap:round}.match-temp{stroke:#8a6bea;stroke-width:4;stroke-linecap:round;stroke-dasharray:8 7}.match-col{display:flex;flex-direction:column;gap:10px;z-index:1}.match-node{appearance:none;border:2px solid #d9e7f2;background:#fff;border-radius:14px;padding:13px 14px;min-height:48px;text-align:left;font:inherit;font-weight:750;color:var(--ink);cursor:crosshair;box-shadow:0 4px 10px rgba(23,50,77,.06);touch-action:none}.match-right-node{text-align:right}.match-node:hover,.match-node.matched{border-color:#2878d4;background:#eef7ff}.match-node.matched{box-shadow:0 5px 14px rgba(40,120,212,.14)}.sort-activity{margin-top:12px}.sort-list{display:flex;flex-wrap:wrap;gap:12px;padding:16px;border:2px dashed #c8dce9;border-radius:16px;background:#f8fcff;min-height:68px}.sort-chip{appearance:none;border:1px solid #c9dff0;background:#fff;border-radius:14px;padding:13px 16px;font:inherit;font-weight:800;color:var(--ink);cursor:grab;box-shadow:0 5px 12px rgba(23,50,77,.07);touch-action:none;user-select:none}.sort-chip:hover{transform:translateY(-2px);border-color:#8ebce0}.sort-chip.dragging{opacity:.55;cursor:grabbing;transform:scale(1.03);border-style:dashed}.wtype-grid .option{height:100%;box-sizing:border-box;margin:0}.option{display:flex;align-items:flex-start;gap:10px;padding:12px 10px;margin:6px 0;border:1px solid #e3edf4;border-radius:12px;cursor:pointer;background:#fbfdff;transition:transform .15s,border-color .15s,background .15s}
.option:hover{transform:translateX(2px);border-color:#a9d0ee;background:#f2f9ff}
.option input[type="radio"],.option input[type="checkbox"]{width:19px;min-width:19px;height:19px;margin:2px 0 0;padding:0;flex:0 0 auto;accent-color:#2878d4}
.option span{flex:1;min-width:0;line-height:1.45}
.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px}.table{width:100%;border-collapse:collapse;min-width:620px}.table th,.table td{text-align:left;padding:11px;border-bottom:1px solid var(--line);font-size:14px;white-space:normal}.table th{background:#f5f9fc;font-weight:850}
.diagram-card,.diagram-preview{margin:14px 0;padding:14px;border:1px solid var(--line);border-radius:16px;background:#fbfdff;overflow:auto}.diagram-preview{background:#f8fbff}.diagram-card svg,.diagram-preview svg{display:block;margin:auto;min-width:280px}.diagram-preview small{display:block;margin-top:8px}.footer{padding:25px 24px;color:var(--muted);font-size:13px;text-align:center}
hr{border:0;border-top:1px solid var(--line);margin:22px 0}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-6px) rotate(4deg)}}
.curriculum-picker{border:1px solid #dbeafe;border-radius:16px;padding:14px;background:#f8fbff;max-height:420px;overflow:auto}.curriculum-chapter{padding:12px 0;border-bottom:1px solid #e5e7eb}.curriculum-chapter:last-child{border-bottom:0}.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;margin-top:10px}.curriculum-picker .option{margin:0;padding:9px 10px;background:#fff;border:1px solid #e5e7eb;border-radius:10px}.curriculum-picker .option input{margin-right:7px}@media(max-width:900px){.topbar{align-items:flex-start;flex-direction:column}.nav{justify-content:flex-start}.hero{padding-top:25px}}
@media(max-width:900px){.wtype-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.match-board{gap:28px}}/* v521 FINAL MOBILE NAV: appended override */
@media(max-width:760px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{
    display:flex!important;flex-direction:column!important;flex-wrap:nowrap!important;grid-template-columns:none!important;
    width:min(280px,78vw)!important;max-width:280px!important;min-width:280px!important;
    height:100dvh!important;max-height:100dvh!important;overflow-y:auto!important;overflow-x:hidden!important;
    gap:4px!important;row-gap:4px!important;column-gap:0!important;
    padding:62px 10px 10px!important;margin:0!important;
    position:fixed!important;left:0!important;top:0!important;right:auto!important;bottom:0!important;
    box-sizing:border-box!important;align-items:stretch!important;justify-content:flex-start!important;
    z-index:999!important;pointer-events:auto!important;background:linear-gradient(180deg,#123552,#1d5a88)!important;
  }
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{
    display:flex!important;position:relative!important;width:100%!important;min-width:0!important;max-width:none!important;
    height:40px!important;min-height:40px!important;max-height:40px!important;flex:0 0 40px!important;
    margin:0!important;padding:5px 9px!important;box-sizing:border-box!important;
    gap:9px!important;border-radius:9px!important;font-size:12.5px!important;line-height:1!important;
    pointer-events:auto!important;cursor:pointer!important;white-space:nowrap!important;
  }
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{width:27px!important;min-width:27px!important;font-size:17px!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item>span:last-child{white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-nav-backdrop{z-index:1!important;pointer-events:none!important;visibility:visible!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .topbar{z-index:1000!important}
}
@media(max-width:380px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{width:calc(100vw - 48px)!important;min-width:0!important;max-width:none!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{height:38px!important;min-height:38px!important;max-height:38px!important;flex-basis:38px!important;font-size:12px!important}
}

/* v536 ROOT FIX: the full-screen backdrop was layered ABOVE the menu and intercepting every menu tap */
@media(max-width:760px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-nav-backdrop{z-index:998!important;pointer-events:auto!important;}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{z-index:10001!important;}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{position:relative!important;z-index:10002!important;pointer-events:auto!important;touch-action:manipulation!important;}
}
@media(max-width:760px){.mobile-menu-toggle{display:inline-flex!important;flex:0 0 44px}.top:not(.worksheet-focus) .topbar{position:relative}.top:not(.worksheet-focus) .nav-core{margin-left:auto}.top:not(.worksheet-focus) .nav{order:4}.student-manual-form{grid-template-columns:1fr;gap:13px}.student-wide{grid-column:auto}.student-actions{grid-column:auto}.dashboard-hero{padding:8px 0 10px}.dashboard-strip{gap:8px;align-items:center;flex-wrap:wrap}.dashboard-strip img,.dashboard-strip>div:first-child{width:42px!important;height:42px!important;min-width:42px!important;font-size:18px!important}.dashboard-welcome{font-size:16px}.dashboard-meta{font-size:11px;margin-top:2px}.dashboard-quick{width:100%;max-width:none;margin:2px 0 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.dashboard-quick .btn{min-width:0;min-height:38px;padding:6px 4px;font-size:10px;white-space:normal;border-radius:9px;line-height:1.12}.dashboard-message{margin:6px 0 0 0;padding:5px 8px;font-size:11px}
.top:not(.worksheet-focus) .topbar{flex-direction:row;align-items:center;padding:7px 12px;min-height:50px}
.top:not(.worksheet-focus) .brand{font-size:15px}
.top:not(.worksheet-focus) .nav{margin-left:auto;width:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:500px;overflow:hidden}
.top.mobile-nav-collapsed:not(.worksheet-focus) .nav{display:none}
.top.mobile-nav-collapsed:not(.worksheet-focus) .topbar:after{display:none!important}
.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .topbar{align-items:flex-start;flex-wrap:wrap}
.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .brand{flex:1}
.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{width:100%;margin-left:0}.match-board{gap:18px;padding:8px 0}.match-node{padding:11px 9px;font-size:14px}.sort-list{gap:9px;padding:12px}.sort-chip{padding:11px 12px}.wtype-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.half,.third{grid-column:span 12}.shell{padding:15px}.grid{gap:14px}.hero{padding:22px 2px}.hero:after{font-size:28px;right:4px;top:18px}.card{padding:17px;border-radius:16px}.nav{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;max-height:500px;overflow:hidden;transition:max-height .25s ease,opacity .2s ease,transform .25s ease}.nav button{width:100%;background:rgba(255,255,255,.11)}.row>.btn{flex:1 1 auto}.table{min-width:580px}.top.mobile-nav-collapsed .nav{max-height:0;opacity:0;transform:translateY(-8px);pointer-events:none;margin:0}.top.mobile-nav-collapsed .topbar{padding-top:7px;padding-bottom:7px;min-height:50px}.top.mobile-nav-collapsed .brand{font-size:14px}.sort-list[data-sort-type="ordering"]{display:flex;flex-direction:column;flex-wrap:nowrap;gap:10px;min-height:0;padding:12px}.sort-list[data-sort-type="ordering"] .sort-chip{width:100%;min-height:54px;text-align:left}.sort-list[data-sort-type="ordering"] .sort-chip.dragging{opacity:.45;transform:scale(1.02)}}
@media(max-width:760px){
 .leaderboard-page .table{width:100%;min-width:0;border-collapse:separate;border-spacing:0 8px}
 .leaderboard-page .table tr:first-child{display:none}
 .leaderboard-page .table tr:not(:first-child){display:block;background:#fff;border:1px solid #dbe5ef;border-radius:12px;padding:8px 10px;box-shadow:0 2px 8px rgba(30,70,110,.05)}
 .leaderboard-page .table td{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;box-sizing:border-box;padding:7px 2px;border:0;text-align:right;font-size:13px}
 .leaderboard-page .table td:before{content:attr(data-label);font-weight:800;color:#52708e;text-align:left}
 .leaderboard-page .table td:nth-child(2){font-size:14px}
}
.modal-backdrop{position:fixed;inset:0;z-index:1200;background:rgba(15,23,42,.58);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:18px}.doubt-details-modal{width:min(1180px,100%);max-height:92vh;overflow:auto;box-shadow:0 24px 70px rgba(15,23,42,.28)}.doubt-details-modal .table{min-width:980px}.content-share-overlay{position:fixed;inset:0;z-index:1000;background:rgba(15,23,42,.58);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:18px}.content-share-modal{width:min(720px,100%);max-height:92vh;overflow:auto;box-shadow:0 24px 70px rgba(15,23,42,.28);border:1px solid rgba(255,255,255,.7)}.content-share-modal h2{margin-top:12px}.content-share-modal ul{margin:8px 0;padding-left:22px}.content-share-modal li{margin:6px 0}.content-share-modal .row{gap:10px;flex-wrap:wrap}.exam-equation{margin:10px 0;padding:10px 12px;border-left:4px solid #2563eb;background:#f5f9ff;border-radius:8px;font-family:"Times New Roman",serif;font-size:18px;line-height:1.6}.exam-diagram{margin:12px 0;text-align:center;overflow:auto}.exam-diagram-svg{width:min(360px,100%);height:auto;display:inline-block;max-height:190px}.exam-diagram-svg text{font-family:Arial,sans-serif;font-size:18px;fill:currentColor}
@media(max-width:430px){.wtype-grid{grid-template-columns:1fr}.brand{font-size:15px}.brand:before{font-size:19px}.nav{grid-template-columns:1fr 1fr}.nav button,.btn{padding:9px 11px;font-size:14px}.card{padding:14px}.footer{padding:20px 14px}.hero h1{font-size:29px}}
@media(max-width:360px){.nav{grid-template-columns:1fr}.shell{padding:10px}.hero h1{font-size:26px}.card{padding:12px}.row>.btn{flex-basis:100%}.table{min-width:540px}}
/* FINAL MOBILE NAV OVERRIDE v517: keep the complete drawer above the header and backdrop. */
/* v518 mobile menu visual redesign */
/* v520 definitive mobile drawer override */
@media(max-width:760px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{
    display:flex!important;flex-direction:column!important;flex-wrap:nowrap!important;justify-content:flex-start!important;align-items:stretch!important;
    width:min(78vw,330px)!important;max-width:330px!important;height:100dvh!important;max-height:100dvh!important;
    overflow-y:auto!important;overflow-x:hidden!important;gap:6px!important;
    padding:62px 10px 12px!important;margin:0!important;
    position:fixed!important;left:0!important;top:0!important;bottom:0!important;right:auto!important;
    background:linear-gradient(180deg,#123552 0%,#1d5a88 100%)!important;
    border-radius:0 18px 18px 0!important;z-index:220!important;pointer-events:auto!important;
  }
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{
    display:flex!important;flex:0 0 auto!important;width:100%!important;min-height:42px!important;height:42px!important;
    padding:6px 10px!important;margin:0!important;border-radius:10px!important;
    font-size:13px!important;line-height:1!important;justify-content:flex-start!important;align-items:center!important;
    pointer-events:auto!important;cursor:pointer!important;
  }
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{font-size:18px!important;width:27px!important;min-width:27px!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav:before{top:16px!important;left:15px!important;font-size:10px!important;padding-bottom:7px!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-nav-backdrop{z-index:105!important;pointer-events:auto!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .topbar{z-index:210!important}
}
@media(max-width:760px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{display:flex!important;flex-direction:column!important;flex-wrap:nowrap!important;gap:4px!important;row-gap:4px!important;column-gap:0!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{min-height:38px!important;height:38px!important;margin:0!important;padding:5px 9px!important}
}
@media(max-width:380px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{width:calc(100vw - 34px)!important;max-width:none!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{min-height:36px!important;height:36px!important;font-size:12px!important}
}
@media(max-width:760px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{
    width:min(78vw,330px)!important;
    padding:18px 12px 16px!important;
    padding-top:72px!important;
    gap:7px!important;
    flex-wrap:nowrap!important;
    background:linear-gradient(180deg,#123552 0%,#1b527d 58%,#216997 100%)!important;
    border-right:1px solid rgba(255,255,255,.16)!important;
    box-shadow:20px 0 50px rgba(3,24,42,.38)!important;
  }
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav:before{
    content:'LEARNING MENU';
    position:absolute;top:18px;left:18px;right:18px;
    color:rgba(255,255,255,.78);font-size:11px;font-weight:900;letter-spacing:.16em;
    padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.14);
  }
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{
    min-height:48px!important;
    padding:8px 12px!important;
    border-radius:12px!important;
    gap:10px!important;
    background:rgba(255,255,255,.095)!important;
    border:1px solid rgba(255,255,255,.13)!important;
    box-shadow:0 2px 7px rgba(0,0,0,.08)!important;
    color:#fff!important;
    font-size:14px!important;
    font-weight:850!important;
    line-height:1.1!important;
  }
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item:active{transform:scale(.985);background:rgba(255,255,255,.17)!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{font-size:19px!important;width:29px!important;min-width:29px!important;filter:none!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item>span:last-child{color:#fff!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-signout{margin-top:8px!important;background:rgba(255,255,255,.15)!important;border-color:rgba(255,255,255,.2)!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .mobile-only-nav{display:flex!important}
}
@media(max-width:380px){
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{width:calc(100vw - 42px)!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{min-height:46px!important;font-size:13px!important}
}
@media(max-width:760px){
  .top:not(.worksheet-focus){overflow:visible!important;position:relative!important;z-index:100!important}
  .top:not(.worksheet-focus) .topbar{position:relative!important;z-index:110!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{
    position:fixed!important;top:0!important;left:0!important;bottom:0!important;right:auto!important;
    width:min(calc(100vw - 64px),360px)!important;height:100dvh!important;max-height:none!important;
    margin:0!important;padding:76px 12px 18px!important;box-sizing:border-box!important;
    display:flex!important;flex-direction:column!important;justify-content:flex-start!important;align-items:stretch!important;
    gap:8px!important;overflow-y:auto!important;overflow-x:hidden!important;
    background:linear-gradient(180deg,#17324d 0%,#205d8e 100%)!important;
    border:0!important;border-radius:0 22px 22px 0!important;
    box-shadow:18px 0 45px rgba(8,31,52,.35)!important;
    z-index:200!important;opacity:1!important;visibility:visible!important;filter:none!important;transform:none!important;
  }
  .top.mobile-nav-collapsed:not(.worksheet-focus) .nav{visibility:hidden!important;transform:translateX(-110%)!important;pointer-events:none!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{display:flex!important;width:100%!important;flex:0 0 auto!important;min-height:50px!important;box-sizing:border-box!important;align-items:center!important;justify-content:flex-start!important;gap:11px!important;padding:10px 13px!important;border-radius:14px!important;white-space:normal!important;overflow:visible!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item>span:last-child{white-space:normal!important;overflow:visible!important;text-overflow:clip!important;word-break:normal!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{width:31px!important;min-width:31px!important;font-size:20px!important;text-align:center!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-signout{margin-top:8px!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-nav-backdrop{position:fixed!important;inset:0!important;z-index:105!important;background:rgba(7,22,37,.42)!important;filter:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-menu-toggle{position:relative!important;z-index:220!important}
}
/* Kid-friendly subject-themed worksheet backgrounds */
.worksheet-shell{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(240,249,255,.72),rgba(255,255,255,.92));border-radius:24px}
.worksheet-shell:before,.worksheet-shell:after{position:absolute;z-index:0;pointer-events:none;font-weight:900;line-height:1;white-space:pre-wrap;opacity:.10;letter-spacing:16px;filter:saturate(1.15);user-select:none}
.worksheet-shell:before{content:"✦  ○  △  □  ☆  ⬡\A  ∑  π  ∠  ∞  📐";left:-8px;top:115px;font-size:58px;transform:rotate(-7deg);max-width:190px}
.worksheet-shell:after{content:"📚  ✏️  ★  ◇  ○\A  ✦  △  📏  ☆  □";right:-18px;bottom:90px;font-size:52px;transform:rotate(7deg);max-width:200px}
.worksheet-shell>*{position:relative;z-index:1}
.worksheet-theme-science:before{content:"🔬  ⚗️  🧪  🧬\A  ⚛️  🌡️  🔭  💧";font-size:48px;letter-spacing:12px}
.worksheet-theme-science:after{content:"🧪  🧬  🔬  ⚛️\A  🌱  💧  🧫  ⭐";font-size:46px;letter-spacing:10px}
.worksheet-theme-language:before{content:"📖  ✏️  🔤  📝\A  ⭐  📚  💬  ABC";font-size:46px;letter-spacing:10px}
.worksheet-theme-language:after{content:"📚  🖊️  🔤  💡\A  ✉️  ⭐  📖";font-size:44px;letter-spacing:10px}
.worksheet-theme-social:before{content:"🌍  🗺️  🏛️  🧭\A  🌎  📜  ⭐  🏫";font-size:44px;letter-spacing:9px}
.worksheet-theme-social:after{content:"🗺️  🌍  🧭  📜\A  🏛️  ⭐  🌎";font-size:44px;letter-spacing:9px}
.worksheet-theme-computer:before{content:"💻  🖥️  ⌨️  🖱️\A  💡  ⚙️  0101";font-size:44px;letter-spacing:9px}
.worksheet-theme-computer:after{content:"🧑‍💻  💾  ⚙️  💻\A  🔢  ⭐  ⌨️";font-size:44px;letter-spacing:9px}
.worksheet-theme-nature:before{content:"🌱  🌳  ☀️  🌈\A  🦋  🍃  💧  🌼";font-size:44px;letter-spacing:9px}
.worksheet-theme-nature:after{content:"🌿  🌎  🌻  🐝\A  💧  ☀️  🍃  🌱";font-size:44px;letter-spacing:9px}
@media(max-width:760px){.worksheet-shell:before,.worksheet-shell:after{font-size:31px;letter-spacing:8px;opacity:.08;max-width:100px}.worksheet-shell:before{left:-14px;top:100px}.worksheet-shell:after{right:-18px;bottom:70px}.worksheet-theme-science:before,.worksheet-theme-science:after,.worksheet-theme-language:before,.worksheet-theme-language:after,.worksheet-theme-social:before,.worksheet-theme-social:after,.worksheet-theme-computer:before,.worksheet-theme-computer:after,.worksheet-theme-nature:before,.worksheet-theme-nature:after{font-size:30px;letter-spacing:6px}}
/* Lets Learn Together — child-first visual refresh */
:root{
 --navy:#17324d;--blue:#2878d4;--sky:#eaf6ff;--ink:#182433;--muted:#64748b;--line:#dbe7f0;--card:#fff;
 --green:#16a36b;--orange:#f08a24;--purple:#7c5ce5;--pink:#e85d9e;--yellow:#f4c542;--red:#e05252;
 --shadow:0 10px 30px rgba(24,48,74,.08);--shadow-hover:0 16px 38px rgba(24,48,74,.14);
}
body{
 background:
   radial-gradient(circle at 8% 12%,rgba(255,205,90,.15),transparent 20%),
   radial-gradient(circle at 92% 10%,rgba(232,93,158,.11),transparent 22%),
   radial-gradient(circle at 50% 92%,rgba(22,163,107,.08),transparent 25%),
   linear-gradient(180deg,#f8fcff 0%,#f7fbff 48%,#fff 100%);
}
.top{background:linear-gradient(135deg,#142f49 0%,#1d537d 52%,#2878d4 100%);box-shadow:0 8px 28px rgba(23,50,77,.16)}
.topbar{padding:11px 22px}
.brand{font-size:18px;letter-spacing:-.035em}
.brand:before{content:none!important;display:none!important}
.nav button{border-radius:14px;padding:9px 13px;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18)}
.nav button:hover{background:rgba(255,255,255,.20);transform:translateY(-2px)}
.shell{max-width:1280px;padding:28px}
.hero{
 padding:32px 30px 28px;margin-bottom:18px;border-radius:28px;
 background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(239,248,255,.92));
 border:1px solid rgba(201,221,235,.85);box-shadow:var(--shadow);overflow:hidden
}
.hero:after{content:"✨";right:28px;top:20px;font-size:46px}
.hero h1{font-size:clamp(30px,5vw,48px);margin:9px 0 10px}
.hero p{font-size:16px}
.dashboard-hero{padding:20px 22px}
.card{border-radius:22px;padding:22px;background:rgba(255,255,255,.94);border-color:#dce9f2}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.card h2{font-size:21px}
.card h3{font-size:17px}
.stats{font-size:34px;color:var(--navy)}
.pill{padding:7px 12px;border-radius:999px;background:linear-gradient(135deg,#edf8ff,#f5efff);border-color:#d7e8f5;color:#315f91}
.btn{
 border-radius:14px;min-height:46px;padding:11px 16px;
 box-shadow:0 7px 18px rgba(40,120,212,.16)
}
.btn.secondary{background:#f4f8fb;border:1px solid #dce8ef}
.btn.green{box-shadow:0 7px 18px rgba(22,163,107,.17)}
.btn.orange{box-shadow:0 7px 18px rgba(240,138,36,.17)}
.btn.purple{box-shadow:0 7px 18px rgba(124,92,229,.17)}
input,select,textarea{min-height:46px;border-radius:14px;border-color:#cbdde8}
.option{min-height:50px;padding:13px 12px;border-radius:14px;background:linear-gradient(180deg,#fff,#f9fcff)}
.notice{border-radius:15px;padding:14px 16px}
.table th{background:linear-gradient(180deg,#f7fbfe,#eef6fb);color:#31546f}
.q{padding:19px 0}
.footer{padding:30px 24px}
.dashboard-quick .btn{border-radius:12px}
.worksheet-shell{border:1px solid #d9e8f1;box-shadow:var(--shadow);padding-left:26px;padding-right:26px}
.worksheet-shell .card{background:rgba(255,255,255,.96)}
.worksheet-shell .q{padding:22px 0}
.match-node{border-radius:16px}
.sort-chip{border-radius:15px}
.mobile-menu-toggle{border-radius:11px!important}
@media(max-width:760px){
 .shell{padding:13px}
 .hero{padding:23px 18px 20px;border-radius:20px}
 .hero:after{right:15px;top:15px;font-size:30px}
 .card{padding:16px;border-radius:18px}
 .dashboard-hero{padding:13px 12px}
 .dashboard-quick .btn{min-height:42px}
 .worksheet-shell{padding-left:10px;padding-right:10px;border-radius:18px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}@media(max-width:760px), (pointer:coarse) and (max-width:900px){.top:not(.worksheet-focus) .topbar{flex-direction:row!important;align-items:center!important;flex-wrap:nowrap!important}.top:not(.worksheet-focus) .brand{flex:1!important;font-size:15px!important}.mobile-menu-toggle{display:inline-flex!important;align-items:center;justify-content:center;gap:4px;min-height:34px;padding:6px 10px;border:1px solid rgba(255,255,255,.24);border-radius:9px;background:rgba(255,255,255,.12);color:#fff;font-weight:800;font-size:12px;white-space:nowrap;cursor:pointer}.top:not(.worksheet-focus) .nav{width:100%;margin-left:0}.nav-item{font-size:12px;letter-spacing:.01em}.top.mobile-nav-collapsed:not(.worksheet-focus) .nav{display:none!important}.top.mobile-nav-collapsed:not(.worksheet-focus) .topbar:after{display:none!important}.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .topbar{flex-wrap:wrap!important;align-items:center!important}.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
 .top:not(.worksheet-focus){overflow:visible!important}
 .top:not(.worksheet-focus) .topbar{position:relative}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{position:absolute;top:100%;left:8px;right:8px;width:auto!important;margin:0!important;padding:10px;background:linear-gradient(145deg,#17324d,#245f91);border:1px solid rgba(255,255,255,.18);border-top:0;border-radius:0 0 18px 18px;box-shadow:0 14px 28px rgba(15,42,67,.25);z-index:30}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav button{min-height:44px;padding:7px 8px;font-size:12px;border-radius:11px;gap:6px;background:rgba(255,255,255,.12)}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav-item .nav-icon{font-size:17px}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav-item>span:last-child{white-space:nowrap}
}
.top.student .nav{flex:1;max-width:1180px;display:grid;grid-template-columns:repeat(7,minmax(135px,1fr));gap:8px;align-items:stretch}.top.student .nav button{width:100%;min-width:0;min-height:44px;padding:9px 9px;border-radius:13px;font-size:13px;white-space:nowrap}.top.student .nav-item .nav-icon{font-size:18px}.top.student .topbar{align-items:center}.top.student .brand{flex:0 0 255px}.top.student .nav-item>span:last-child{overflow:hidden;text-overflow:ellipsis}.top.student .nav button:hover{box-shadow:0 6px 14px rgba(0,0,0,.12)}@media(max-width:1280px) and (min-width:761px){.top.student .brand{flex-basis:210px}.top.student .nav{grid-template-columns:repeat(4,minmax(145px,1fr));max-width:650px}.top.student .nav button{font-size:12px;padding:8px 7px}}.top.worksheet-focus{position:sticky;top:0;z-index:20}
.top.worksheet-focus .topbar{padding:8px 16px;min-height:56px}
.top.worksheet-focus .brand{font-size:15px}
.top.worksheet-focus .brand .pill{font-size:11px;padding:4px 9px}
.top.worksheet-focus .nav{display:flex;flex-wrap:nowrap;width:auto}
.top.worksheet-focus .worksheet-exit{background:rgba(255,255,255,.14);white-space:nowrap}
.worksheet-shell{max-width:1100px;padding-top:12px}
.exam-meta-grid{grid-template-columns:repeat(4,minmax(150px,1fr));gap:14px 16px}.exam-allocation-grid{grid-template-columns:repeat(6,minmax(105px,1fr));gap:10px 12px;align-items:end}.exam-allocation-grid>div{min-width:0}.exam-allocation-grid label{font-size:.82rem;white-space:nowrap}.exam-allocation-grid input,.exam-allocation-grid select{min-width:0;width:100%;box-sizing:border-box}.exam-meta-grid>div:nth-child(1),.exam-meta-grid>div:nth-child(3),.exam-meta-grid>div:nth-child(9){grid-column:span 1}.exam-meta-grid>div:nth-child(10){grid-column:1/-1}.exam-blueprint-grid{grid-template-columns:1.1fr 1.25fr .9fr .9fr 1fr 1.05fr 1.35fr .9fr;gap:12px}.exam-blueprint-grid>div{min-width:0}.exam-blueprint-grid label{min-height:30px}.exam-blueprint-grid input,.exam-blueprint-grid select{min-width:0}.exam-paper-preview{background:#fff;border:1px solid #d8e0ea;border-radius:14px;padding:24px;max-width:900px;margin:0 auto}.exam-head{text-align:center;border-bottom:2px solid #17324d;padding-bottom:14px}.exam-head h2{margin:7px 0}.exam-student-line{margin-top:12px;padding-top:8px;border-top:1px dashed #9aa8b8}.exam-instructions{margin:14px 0;padding:12px;background:#f7fafc;border:1px solid #dce5ee;border-radius:10px}.exam-q{padding:13px 0;border-bottom:1px solid #e2e8f0;position:relative;padding-right:55px}.exam-marks{position:absolute;right:0;font-weight:800}.exam-options{margin:9px 0 0 24px;display:grid;grid-template-columns:1fr 1fr;gap:6px 24px}.exam-alt{margin-top:4px;color:#455468;font-style:italic}.exam-paper-preview .row{margin-top:16px}
body.exam-import-open{overflow:hidden}.btn.is-busy{opacity:.72;cursor:default;pointer-events:none}.btn.is-busy::after{display:none}.busy-spinner{display:inline-block;width:13px;height:13px;margin-right:8px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;vertical-align:-2px;animation:examBusySpin .7s linear infinite}@keyframes examBusySpin{to{transform:rotate(360deg)}}.exam-import-panel{position:fixed;inset:0;z-index:2147483000;display:flex;align-items:center;justify-content:center;padding:24px;box-sizing:border-box;background:rgba(15,23,42,.55);overscroll-behavior:contain}.exam-import-panel>.card{position:relative;width:min(1040px,100%);max-height:calc(100vh - 48px);overflow:auto;margin:0;box-sizing:border-box;box-shadow:0 24px 70px rgba(15,23,42,.28);border:1px solid var(--border,#dbe3ea);border-radius:18px}.exam-import-panel>.card textarea{min-height:240px;resize:vertical}.exam-import-panel>.card .row{flex-wrap:wrap}.exam-import-meta-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.exam-import-meta-grid>div{min-width:0}.exam-import-meta-grid label{display:block;min-height:0;margin-bottom:7px}.exam-import-meta-grid .muted{font-weight:600;font-size:.85em}.exam-import-meta-grid input{width:100%;box-sizing:border-box}.exam-source-list{display:grid;grid-template-columns:repeat(2,minmax(240px,1fr));gap:10px}.exam-source-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid #dce5ee;border-radius:10px;background:#f8fbfe;font-weight:600;min-height:54px}.exam-source-item input[type="checkbox"]{appearance:auto;width:18px!important;min-width:18px!important;max-width:18px!important;height:18px!important;margin:0!important;padding:0!important;flex:0 0 18px!important;accent-color:#2878d4;box-shadow:none}.exam-source-item input[type="checkbox"]:focus{box-shadow:0 0 0 3px rgba(40,120,212,.12)}.exam-source-item span{flex:1;line-height:1.35}.exam-source-card .notice{line-height:1.5}.exam-chapter-grid{grid-template-columns:2fr .75fr .75fr 1fr 1.1fr auto;gap:10px;align-items:end}.exam-chapter-grid>div{min-width:0}.exam-chapter-card{margin-top:14px}.exam-compliance-summary{grid-template-columns:repeat(3,minmax(120px,1fr));gap:12px;margin:12px 0}.exam-compliance-summary>div{padding:12px;border:1px solid #dce5ee;border-radius:10px;background:#f8fbfe}.exam-compliance-table{width:100%;border-collapse:collapse}.exam-compliance-table th,.exam-compliance-table td{padding:9px;border-bottom:1px solid #dce5ee;text-align:left}.exam-compliance-card{margin-top:14px}
@media(max-width:1100px){.exam-import-meta-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.exam-meta-grid{grid-template-columns:repeat(3,minmax(170px,1fr))}.exam-blueprint-grid{grid-template-columns:repeat(4,minmax(150px,1fr))}}
@media(max-width:700px){.exam-import-meta-grid{grid-template-columns:1fr}.exam-source-list{grid-template-columns:1fr}.exam-meta-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.exam-allocation-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 10px}.exam-blueprint-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.exam-chapter-grid{grid-template-columns:1fr 1fr;gap:10px}.exam-compliance-summary{grid-template-columns:1fr 1fr}.exam-paper-preview{padding:14px}.exam-options{grid-template-columns:1fr}.exam-q{padding-right:45px}}
@media(max-width:430px){.exam-meta-grid,.exam-blueprint-grid,.exam-chapter-grid{grid-template-columns:1fr}.exam-compliance-summary{grid-template-columns:1fr}.exam-meta-grid>div:nth-child(10){grid-column:auto}}
.worksheet-shell .hero{padding:10px 2px 14px}
.worksheet-shell .hero:after{display:none}
.worksheet-shell .hero h1{font-size:clamp(25px,4vw,38px)}
.worksheet-shell .card{box-shadow:none}
.worksheet-footer{display:none}
@media(max-width:760px){
 .top.worksheet-focus .topbar{padding:7px 10px;min-height:50px;gap:8px;flex-direction:row;align-items:center}
 .top.worksheet-focus .brand{font-size:14px;gap:5px}
 .top.worksheet-focus .brand:before{font-size:18px}
 .top.worksheet-focus .nav{width:auto;display:flex;margin-left:auto;touch-action:manipulation}
 .top.worksheet-focus .nav button{width:auto;min-height:38px;padding:7px 10px;font-size:13px}
 .worksheet-shell{padding:8px 8px 18px}
 .worksheet-shell .hero{padding:4px 2px 8px}
 .worksheet-shell .hero h1{font-size:24px;margin:5px 0}
 .worksheet-shell .hero p{font-size:14px;margin:4px 0}
 .worksheet-shell .card{padding:12px;border-radius:13px}
 .worksheet-shell .q{padding:14px 0}
 .worksheet-shell .match-board{min-height:300px;gap:12px;padding:6px 0}
 .worksheet-shell .match-col{gap:10px}
 .worksheet-shell .match-node{min-height:50px;padding:11px 8px;font-size:14px}
}
@media(max-width:430px){
 .worksheet-shell{padding-left:6px;padding-right:6px}
 .worksheet-shell .match-board{min-height:420px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:34px;row-gap:18px;padding:10px 2px}
 .worksheet-shell .match-col{gap:18px}
 .worksheet-shell .match-node{font-size:13px;padding:12px 8px;min-height:58px}
}
@media(max-width:360px){
 .worksheet-shell .match-board{column-gap:26px;min-height:400px}
 .worksheet-shell .match-node{min-height:56px}
}
/* v232 dashboard design system */
.role-dashboard{--dash-ink:#17324d;--dash-muted:#66788b;--dash-line:#e1eaf1;max-width:1280px;margin:0 auto;padding-bottom:24px}
.dash-hero{position:relative;overflow:hidden;display:flex;justify-content:space-between;gap:24px;align-items:flex-end;padding:30px;border-radius:30px;color:#fff;box-shadow:0 18px 45px rgba(24,57,87,.16);margin-bottom:18px}
.dash-hero:before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;right:-120px;top:-160px;background:rgba(255,255,255,.12)}
.dash-hero:after{content:"✦";position:absolute;right:90px;bottom:28px;font-size:72px;opacity:.12}
.teacher-hero{background:linear-gradient(135deg,#173b62,#2f80ed)}.student-hero{background:linear-gradient(135deg,#244f7b,#35a7e8)}.principal-hero{background:linear-gradient(135deg,#314b70,#6a62ca)}.parent-hero{background:linear-gradient(135deg,#245b67,#27a98c)}
.dash-hero-copy,.dash-hero-actions{position:relative;z-index:1}.dash-hero h1{font-size:clamp(27px,4vw,42px);line-height:1.08;margin:8px 0 10px;letter-spacing:-.03em}.dash-hero p{margin:0;max-width:700px;color:rgba(255,255,255,.88);font-size:15px}.dash-eyebrow{display:inline-flex;align-items:center;font-size:11px;font-weight:900;letter-spacing:.14em;color:inherit;opacity:.82}.dash-context{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.dash-context span{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-size:12px}.dash-hero-actions{display:flex;flex-wrap:wrap;gap:9px;min-width:210px;justify-content:flex-end}
.dash-primary,.dash-light,.dash-wide{border:0;border-radius:13px;padding:12px 16px;min-height:44px;font-weight:850;cursor:pointer;transition:.2s}.dash-primary{background:#fff;color:#173b62;box-shadow:0 8px 22px rgba(0,0,0,.12)}.dash-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.25)}.dash-primary:hover,.dash-light:hover,.dash-wide:hover{transform:translateY(-2px)}
.dash-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.dash-stat{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--dash-line);border-radius:20px;padding:16px;box-shadow:0 8px 24px rgba(27,57,83,.06)}.dash-stat-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;background:#edf6ff}.dash-stat.purple .dash-stat-icon{background:#f1edff}.dash-stat.orange .dash-stat-icon{background:#fff4e8}.dash-stat.green .dash-stat-icon{background:#eaf9f3}.dash-stat-value{font-size:25px;font-weight:900;color:var(--dash-ink);line-height:1}.dash-stat-label{font-size:12px;color:var(--dash-muted);margin-top:5px;font-weight:700}
.dash-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px}.dash-main,.dash-side{display:flex;flex-direction:column;gap:18px}.dash-panel{background:rgba(255,255,255,.97);border:1px solid var(--dash-line);border-radius:22px;padding:20px;box-shadow:0 8px 26px rgba(24,57,87,.055)}.dash-section-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:16px}.dash-section-head h2{font-size:21px;margin:4px 0}.dash-section-head p{margin:0;color:var(--dash-muted);font-size:13px}.dash-section-head .dash-eyebrow,.dash-panel .dash-eyebrow{color:#6b7f91}
.dash-action-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.dash-action{display:flex;align-items:center;text-align:left;gap:10px;padding:13px;border:1px solid #e2ebf2;background:#fff;border-radius:16px;cursor:pointer;min-height:72px;transition:.18s;box-shadow:0 3px 10px rgba(20,50,80,.03)}.dash-action:hover{transform:translateY(-2px);border-color:#c9dce9;box-shadow:0 10px 20px rgba(20,50,80,.08)}.dash-action-icon{width:37px;height:37px;display:flex;align-items:center;justify-content:center;border-radius:11px;background:#edf6ff;font-size:19px;flex:0 0 auto}.dash-action.purple .dash-action-icon{background:#f1edff}.dash-action.orange .dash-action-icon{background:#fff3e5}.dash-action.green .dash-action-icon{background:#eaf9f3}.dash-action b{display:block;font-size:13px;color:var(--dash-ink)}.dash-action small{display:block;color:var(--dash-muted);font-size:11px;line-height:1.3;margin-top:3px}.dash-arrow{margin-left:auto;color:#9ab0c0;font-weight:900}
.dash-feed{display:flex;flex-direction:column}.dash-feed-item{display:flex;gap:11px;padding:12px 0;border-bottom:1px solid #edf2f6}.dash-feed-item:last-child{border-bottom:0}.dash-feed-icon{width:36px;height:36px;flex:0 0 auto;border-radius:12px;background:#eef6ff;display:flex;align-items:center;justify-content:center}.dash-feed-item b{font-size:13px;color:var(--dash-ink)}.dash-feed-item p{margin:4px 0 0;color:var(--dash-muted);font-size:12px}
.dash-spotlight{background:linear-gradient(145deg,#f7fbff,#eef7ff);border-color:#d8e9f5}.dash-spotlight h3{font-size:19px;color:var(--dash-ink);margin:8px 0}.dash-spotlight p{font-size:13px;color:var(--dash-muted);line-height:1.55}.dash-wide{width:100%;background:#173b62;color:#fff;margin-top:10px}.dash-panel-title{display:flex;align-items:center;gap:8px}.dash-panel-title h3{margin:0;font-size:16px;color:var(--dash-ink)}.dash-mini-row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;font-size:13px;color:var(--dash-muted)}.dash-mini-row b{color:var(--dash-ink)}.dash-progress{height:8px;border-radius:99px;background:#edf2f6;overflow:hidden}.dash-progress i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#2f80ed,#20a873)}.dash-text-link{border:0;background:none;padding:10px 0 0;color:#2878d4;font-weight:800;cursor:pointer}.dash-soft{background:linear-gradient(145deg,#fffaf3,#fff)}.dash-cycle{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:14px 0}.dash-cycle span{width:27px;height:27px;border-radius:50%;background:#e8f3ff;color:#2878d4;display:inline-flex;align-items:center;justify-content:center;font-weight:900}.dash-cycle b{font-size:11px}.dash-cycle i{font-style:normal;color:#9ab0c0}.dash-empty{padding:24px 12px;text-align:center;display:flex;flex-direction:column;gap:5px;color:var(--dash-muted)}.dash-empty-icon{font-size:30px;margin-bottom:3px}.dash-empty b{color:var(--dash-ink)}
.dash-bars>div{padding:12px 0;border-bottom:1px solid #edf2f6}.dash-bars>div:last-child{border-bottom:0}.dash-bars span{font-size:12px;color:var(--dash-muted)}.dash-bars b{float:right;font-size:13px;color:var(--dash-ink)}
.child-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.child-card{display:flex;gap:12px;align-items:center;padding:14px;border:1px solid #e4edf3;border-radius:17px;background:#fbfdff}.child-card>div:last-child{min-width:0}.child-card b,.child-card span{display:block}.child-card b{color:var(--dash-ink);font-size:14px}.child-card span{color:var(--dash-muted);font-size:11px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dash-link-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}.dash-link-form label{display:block;font-size:12px;font-weight:800;color:#506579;margin-bottom:6px}.dash-link-form input{width:100%;box-sizing:border-box}.activity-list{display:flex;flex-direction:column}.activity-item{display:grid;grid-template-columns:40px 1fr auto;gap:10px;align-items:center;padding:12px 0;border-bottom:1px solid #edf2f6}.activity-item:last-child{border-bottom:0}.activity-icon{width:36px;height:36px;border-radius:11px;background:#edf6ff;display:flex;align-items:center;justify-content:center}.activity-item b,.activity-item span{display:block}.activity-item b{font-size:13px;color:var(--dash-ink)}.activity-item span{font-size:11px;color:var(--dash-muted);margin-top:3px}.activity-item strong{font-size:15px;color:#20a873}.parent-score{font-size:48px;font-weight:900;color:var(--dash-ink);padding:12px 0}.parent-score small{font-size:18px}
@media(max-width:900px){.dash-layout{grid-template-columns:1fr}.dash-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.dash-action-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.role-dashboard{padding-bottom:8px}.dash-hero{padding:22px 18px;border-radius:22px;display:block}.dash-hero-actions{justify-content:flex-start;margin-top:16px;min-width:0}.dash-stats{grid-template-columns:repeat(2,1fr)}.dash-stat{padding:13px}.dash-stat-value{font-size:21px}.dash-layout{gap:12px}.dash-side{display:flex}.dash-panel{padding:16px;border-radius:18px}.dash-action-grid{grid-template-columns:1fr}.child-grid{grid-template-columns:1fr}.dash-link-form{grid-template-columns:1fr}.dash-context{gap:6px}.dash-context span{font-size:11px}}
/* Final alignment for teacher dashboard hero creation buttons. */
.dash-hero-actions{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-items:stretch;width:min(100%,460px);flex:0 0 460px}
.dash-hero-actions button{width:100%;min-width:0;min-height:46px;padding:11px 12px!important;white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:6px;border-radius:12px!important;font-weight:800}
@media(max-width:1100px){.dash-hero-actions{width:min(100%,400px);flex-basis:400px;grid-template-columns:repeat(2,minmax(0,1fr))}.dash-hero-actions button:last-child{grid-column:1/-1}}
@media(max-width:760px){.dash-hero-actions{width:100%;flex-basis:auto;grid-template-columns:1fr}.dash-hero-actions button:last-child{grid-column:auto}}/* v512 mobile dashboard polish */
@media(max-width:760px){
  .mobile-only-nav{display:none!important}
  .top:not(.worksheet-focus) .nav-core{display:none!important}
  .top:not(.worksheet-focus) .topbar{display:grid;grid-template-columns:minmax(0,1fr) 44px;gap:10px;padding:7px 12px;min-height:54px}
  .top:not(.worksheet-focus) .brand{min-width:0;font-size:15px;gap:6px;overflow:hidden;text-overflow:ellipsis}
  .top:not(.worksheet-focus) .brand .pill{font-size:10px;padding:5px 8px;flex:0 0 auto}
  .top:not(.worksheet-focus) .mobile-menu-toggle{grid-column:2;grid-row:1;align-self:center}
  .top:not(.worksheet-focus) .nav{grid-column:1/-1;grid-row:2;width:100%;margin:0!important;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;padding:7px 0 2px;max-height:70vh;overflow:auto}
  .top:not(.worksheet-focus) .nav .mobile-only-nav{display:flex!important}
  .top:not(.worksheet-focus) .nav .nav-item{min-height:44px;padding:9px 10px;font-size:12px}
  .top:not(.worksheet-focus) .nav .nav-signout{background:linear-gradient(135deg,rgba(255,255,255,.18),rgba(255,255,255,.1))}
  .top.mobile-nav-collapsed:not(.worksheet-focus) .nav{display:none}
  .student-dashboard .dash-hero{padding:18px 16px 16px;border-radius:22px;margin-bottom:12px}
  .student-dashboard .dash-eyebrow{font-size:10px;letter-spacing:.12em}
  .student-dashboard .dash-hero h1{font-size:clamp(29px,8vw,36px);line-height:1.06;margin:7px 0 8px}
  .student-dashboard .dash-hero p{font-size:14px;line-height:1.4}
  .student-dashboard .dash-context{margin-top:12px;gap:6px}
  .student-dashboard .dash-context span{font-size:10px;padding:6px 8px}
  .student-dashboard .dash-hero-actions{margin-top:12px;gap:7px}
  .student-dashboard .dash-hero-actions button{min-height:48px;padding:9px 10px!important;font-size:14px;white-space:normal;line-height:1.15}
  .student-dashboard .dash-stats{gap:9px;margin-bottom:12px}
  .student-dashboard .dash-stat{padding:11px;border-radius:16px;gap:9px;min-height:62px}
  .student-dashboard .dash-stat-icon{width:38px;height:38px;border-radius:11px;font-size:19px}
  .student-dashboard .dash-stat-value{font-size:20px}
  .student-dashboard .dash-stat-label{font-size:10px;margin-top:3px}
  .student-dashboard .dash-panel{padding:14px;border-radius:17px}
  .student-dashboard .dash-section-head{margin-bottom:11px}
  .student-dashboard .dash-section-head h2{font-size:18px}
  .student-dashboard .dash-section-head p{font-size:11px;line-height:1.35}
  .student-dashboard .dash-action-grid{gap:8px}
  .student-dashboard .dash-action{min-height:62px;padding:10px;border-radius:14px;gap:8px}
  .student-dashboard .dash-action-icon{width:34px;height:34px;border-radius:10px;font-size:17px}
  .student-dashboard .dash-action b{font-size:12px}
  .student-dashboard .dash-action small{font-size:10px}
}
@media(min-width:761px){.mobile-only-nav{display:none!important}}
@media(max-width:360px){.top:not(.worksheet-focus) .brand{font-size:14px}.top:not(.worksheet-focus) .brand .pill{display:none}.student-dashboard .dash-hero h1{font-size:28px}.student-dashboard .dash-context span{font-size:9px}.student-dashboard .dash-hero-actions button{font-size:13px}}
/* v513 mobile navigation drawer refinement */
@media(max-width:760px){
  .top:not(.worksheet-focus){overflow:visible!important}
  .top:not(.worksheet-focus) .topbar{z-index:42}.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .topbar{z-index:70!important}
  .top:not(.worksheet-focus) .nav{position:fixed!important;top:0!important;left:0!important;bottom:0!important;right:auto!important;width:calc(100vw - 72px)!important;max-width:360px!important;height:100dvh!important;max-height:none!important;box-sizing:border-box!important;margin:0!important;padding:76px 14px 18px!important;display:flex!important;flex-direction:column!important;justify-content:flex-start!important;gap:8px!important;overflow-y:auto!important;overflow-x:hidden!important;background:linear-gradient(180deg,#17324d 0%,#205d8e 100%)!important;border:0!important;border-radius:0 22px 22px 0!important;box-shadow:16px 0 40px rgba(8,31,52,.32)!important;z-index:60!important;opacity:1!important;filter:none!important;transform:translateX(0);transition:transform .22s ease,visibility .22s ease}
  .top.mobile-nav-collapsed:not(.worksheet-focus) .nav{display:flex!important;visibility:hidden!important;transform:translateX(-105%)!important;pointer-events:none!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{width:100%!important;box-sizing:border-box!important;flex:0 0 auto!important;min-height:48px!important;padding:10px 13px!important;border-radius:13px!important;display:flex!important;align-items:center!important;justify-content:flex-start!important;gap:10px!important;background:rgba(255,255,255,.11)!important;border:1px solid rgba(255,255,255,.18)!important;color:#fff!important;text-align:left!important;font-size:14px!important;font-weight:800!important;white-space:normal!important;overflow:visible!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item span:last-child{display:block!important;min-width:0!important;overflow:visible!important;text-overflow:clip!important;white-space:normal!important;word-break:normal!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{width:30px!important;min-width:30px!important;text-align:center!important;font-size:20px!important}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-signout{margin-top:auto!important;background:rgba(255,255,255,.16)!important}
  .mobile-nav-backdrop{position:fixed;inset:0;background:rgba(7,22,37,.42);backdrop-filter:none;-webkit-backdrop-filter:none;filter:none!important;border:0;padding:0;margin:0;z-index:55;cursor:pointer;transition:opacity .22s ease;opacity:1}
  .top.mobile-nav-collapsed:not(.worksheet-focus) .mobile-nav-backdrop{display:none!important;opacity:0;pointer-events:none}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-menu-toggle{position:relative;z-index:60;font-size:30px!important;line-height:1!important}
  .mobile-only-nav{display:flex!important}
}
.asklearn-world{max-width:1180px;margin:0 auto;padding-bottom:24px}.asklearn-hero-new{position:relative;overflow:hidden;background:linear-gradient(135deg,#e9f8ff 0%,#f5efff 48%,#fff4dd 100%);border:1px solid #d8e8f4;box-shadow:0 18px 45px rgba(54,79,126,.13)}.asklearn-stars{position:absolute;right:24px;top:18px;font-size:28px;letter-spacing:8px;animation:askSparkle 2.8s ease-in-out infinite}.asklearn-buddy-hero{display:flex;align-items:center;gap:18px;position:relative;z-index:1}.asklearn-mascot{width:92px;height:92px;display:grid;place-items:center;font-size:0;background:#fff url('/saarthi-professional.svg') center/cover no-repeat;border:4px solid rgba(255,255,255,.9);border-radius:30px;box-shadow:0 12px 28px rgba(58,83,130,.14);animation:askBuddyFloat 3.2s ease-in-out infinite}.asklearn-hero-new h1{font-size:clamp(34px,6vw,52px);margin:8px 0 4px}.asklearn-hero-new p{margin:0;font-size:17px}.asklearn-context{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.asklearn-context span{padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.76);border:1px solid rgba(205,220,236,.9);font-size:12px;font-weight:800}.asklearn-mission-strip{display:flex;align-items:center;gap:12px;margin-top:22px;padding:13px 15px;border-radius:15px;background:rgba(255,255,255,.78);border:1px solid rgba(207,222,235,.9);font-size:13px}.asklearn-mission-strip span{flex:1;color:#52677a}.asklearn-mission-strip strong{white-space:nowrap;color:#6d4aff}.asklearn-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.8fr);gap:18px;margin-top:18px}.asklearn-quest-card,.asklearn-buddy-panel{border-radius:24px}.asklearn-section-title{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.asklearn-eyebrow{font-size:11px;font-weight:900;letter-spacing:.12em;color:#6b4ed5}.asklearn-section-title h2{margin:5px 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textarea{background:#fff}.saarthi-answer-actions{display:flex;gap:8px;margin-top:8px}.saarthi-answer-actions .btn{flex:1}.saarthi-voice-note{margin-top:7px;color:#66798b;font-size:11px}.saarthi-complete{margin:14px 18px 18px;padding:15px;border-radius:15px;background:#eefaf4;border:1px solid #cde9db;line-height:1.55}.saarthi-record{margin:9px 0 12px;color:#416d57;font-size:12px}.saarthi-misconception{margin:0 18px 18px;padding:10px 12px;border-radius:12px;background:#fff3f3;border:1px solid #f0d0d0;color:#7b3c3c;font-size:12px}.saarthi-loading{display:flex;gap:12px;align-items:center;padding:20px;border:1px solid #dceaf4;border-radius:18px;background:#f7fbff}.saarthi-loading .thinking-buddy{width:54px;height:54px;flex:none}.saarthi-loading span{display:block;margin-top:3px;color:#697c8d;font-size:12px}.saarthi-error{margin-top:16px;padding:14px 16px;border-radius:15px;background:#fff1f1;border:1px solid #efc8c8;color:#8a3434;font-weight:700}.saarthi-journey-card{margin-top:16px}.saarthi-journey-card h2{margin:6px 0 4px}.saarthi-journey-card p{margin:0;line-height:1.55}
@media(max-width:800px){.saarthi-main-grid{grid-template-columns:1fr}.saarthi-guide-card{order:0}.saarthi-form-grid{grid-template-columns:1fr}.saarthi-guide-avatar{width:76px;height:76px;display:inline-block;vertical-align:middle;margin:0 10px 6px 0}.saarthi-guide-card h3{display:inline-block;vertical-align:middle;text-align:left}.saarthi-flow{grid-template-columns:1fr 1fr}.saarthi-hero{padding:17px;gap:12px}.saarthi-hero-avatar{width:70px;height:70px;border-radius:20px}.saarthi-hero p{font-size:14px}.saarthi-session-head{padding:14px}.saarthi-dialogue{padding:10px 12px}.saarthi-question{margin:10px 12px 14px}.saarthi-gap,.saarthi-misconception{margin-left:12px;margin-right:12px}}
@media(max-width:520px){.saarthi-page{padding-bottom:16px}.saarthi-hero{border-radius:18px}.saarthi-hero-avatar{width:58px;height:58px}.saarthi-hero h1{font-size:30px}.saarthi-chips span{font-size:10px}.saarthi-main-grid{margin-top:10px}.saarthi-flow{grid-template-columns:1fr}.saarthi-guide-card{padding:13px}.saarthi-session-head{display:block}.saarthi-stage-pill{display:inline-block;margin-top:8px}.saarthi-msg{max-width:96%}.saarthi-answer-actions{flex-direction:column}.saarthi-question-text{font-size:17px}.saarthi-page textarea,.saarthi-page select,.saarthi-page input{font-size:16px}.saarthi-page .btn,.saarthi-input-mic{min-height:44px}.saarthi-page{min-width:0}.saarthi-session-card,.saarthi-mission-card{min-width:0}.saarthi-journey-card{padding:15px}}
/* v554 — cross-device Ask Saarthi voice/input hardening */
.saarthi-input-wrap{width:100%;max-width:100%;box-sizing:border-box;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.saarthi-input-wrap textarea{box-sizing:border-box;width:100%;max-width:100%;font-size:16px;line-height:1.5;-webkit-appearance:none;appearance:none;-webkit-text-size-adjust:100%;overflow:auto}
.saarthi-input-mic{min-width:44px;min-height:44px;width:44px;height:44px;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-appearance:none;appearance:none;user-select:none;-webkit-user-select:none}
.saarthi-input-mic:focus-visible{outline:3px solid rgba(18,159,105,.28);outline-offset:2px}.saarthi-math-toolbar{display:flex;gap:5px;flex-wrap:wrap;margin:7px 0 2px;padding:7px;border:1px solid #dce7ef;border-radius:12px;background:#f8fbfd}.saarthi-math-toolbar button{min-width:38px;min-height:34px;padding:5px 8px;border:1px solid #cbd8e2;border-radius:8px;background:#fff;color:#24384a;font:700 15px Georgia,'Times New Roman',serif;cursor:pointer}.saarthi-math-toolbar button:hover{background:#eef6ff;border-color:#9dbbd2}.saarthi-input-wrap .saarthi-math-toolbar{margin-right:0}.saarthi-question .saarthi-math-toolbar{background:#fffdf6}
.saarthi-input-mic.is-listening{background:#c83d4b!important;color:#fff}
@media (max-width:700px){
 .saarthi-input-wrap textarea{min-height:128px;padding:14px 62px 14px 44px;font-size:16px}
 .saarthi-input-mic{right:10px;bottom:10px}
 .saarthi-start-btn,.asklearn-main-btn{min-height:50px;font-size:15px;touch-action:manipulation}
}
@media (max-width:420px){
 .saarthi-input-wrap textarea{min-height:120px;padding-left:42px;padding-right:58px}
 .saarthi-input-chat-icon{left:11px;top:12px;font-size:18px}
 .saarthi-input-mic{right:8px;bottom:8px}
}
@supports (-webkit-touch-callout:none){
 .saarthi-input-wrap textarea{font-size:16px}
 .saarthi-input-mic{cursor:pointer}
}
@media (prefers-reduced-motion:reduce){.saarthi-input-wrap .saarthi-input-mic.is-listening{animation:none}}
.saarthi-auto-start-note{margin-top:10px;text-align:center;color:#5f7187;font-size:14px;font-weight:600}
.lp-action-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;padding-top:16px;border-top:1px solid #e4eaf0}.lp-history-item{display:flex;justify-content:space-between;align-items:center;gap:12px}.teacher-lesson-mode-hero{position:relative}.lp-teacher-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px}.teacher-live-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:18px;margin-top:18px}.teacher-cue{position:sticky;top:12px}.teacher-cue .teacher-say{font-size:1.08rem;padding:20px}.teacher-cue .teacher-say p{font-size:1.18rem;line-height:1.65}.teacher-cue .row{margin-top:18px}.teacher-live-grid .q{margin:10px 0;padding:12px;border:1px solid #e4eaf0;border-radius:12px}.teacher-live-grid .card{margin-bottom:18px}@media(max-width:800px){.teacher-live-grid{grid-template-columns:1fr}.teacher-cue{position:static}.lp-history-item{align-items:flex-start;flex-direction:column}.lp-action-bar .btn{width:100%}}@media print{.top,.footer,.mobile-menu-toggle,.mobile-nav-backdrop,.lp-action-bar,.lp-teacher-controls,.teacher-cue .row,button{display:none!important}.shell{max-width:none!important}.card{box-shadow:none!important;border:0!important}.teacher-cue{position:static}.teacher-live-grid{display:block}.teacher-live-grid>div:last-child{margin-top:20px}}
.interactive-classroom{position:fixed;inset:0;background:#0f1b24;color:#fff;z-index:100;overflow:auto}.ic-topbar{position:sticky;top:0;z-index:5;padding:14px 22px;background:linear-gradient(135deg,#12283b,#1e5278);display:flex;justify-content:space-between;align-items:center;gap:16px;box-shadow:0 4px 20px rgba(0,0,0,.25)}.ic-topbar h1{margin:4px 0;font-size:1.35rem}.ic-topbar p{margin:0;color:#d6e5ef}.ic-top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.ic-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px;padding:14px;min-height:calc(100vh - 100px)}.ic-board-panel{min-width:0;display:flex;flex-direction:column}.ic-board-toolbar{display:flex;gap:7px;align-items:center;flex-wrap:wrap;padding:10px;background:#182a38;border:1px solid #304655;border-radius:14px 14px 0 0}.ic-board-toolbar .btn{min-height:38px;padding:8px 11px}.ic-board-toolbar select{min-height:38px;border-radius:10px;padding:6px 9px}.ic-board-toolbar input[type=range]{max-width:130px}.ic-board-mode-label{font-size:.75rem;font-weight:800;color:#a9bdca;padding:0 4px}.ic-special-tools{background:#10212d;border:1px solid #304655;border-top:0;padding:10px;border-radius:0 0 12px 12px;color:#eaf4f8}.ic-special-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:9px}.ic-special-tabs .btn{margin:0}.ic-special-panel{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.ic-special-panel b{font-size:.78rem;letter-spacing:.04em;color:#b9d5e3}.ic-special-panel input:not([type=range]){min-width:220px;flex:1;min-height:38px;border-radius:9px;border:1px solid #496170;padding:7px 10px}.ic-expression-row{display:flex;gap:4px;flex-wrap:wrap}.ic-expression-row .btn{margin:0;min-width:42px}.ic-tool-sep{width:1px;height:28px;background:#45606e;margin:0 3px}.ic-control-label{display:flex;align-items:center;gap:7px;font-size:.78rem;color:#c9dce5}.ic-control-label input{max-width:120px}.ic-control-label span{min-width:48px;font-weight:800}.ic-canvas-wrap{position:relative;min-height:420px;background:#26313b;border:1px solid #304655;border-top:0;overflow:hidden}.ic-board-panel canvas{display:block;touch-action:none;cursor:crosshair}.ic-text-hint{display:none;position:absolute;right:12px;top:12px;padding:8px 12px;background:rgba(0,0,0,.45);border-radius:9px;font-size:.85rem}.ic-board-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px;background:#182a38;border:1px solid #304655;border-top:0;border-radius:0 0 14px 14px}.ic-board-footer>div{display:flex;flex-direction:column;align-items:center;gap:2px}.ic-board-footer span{font-size:.8rem;color:#a9bdca}.ic-sidebar{min-width:0}.ic-sidebar .card{background:#fff;color:var(--ink);margin-bottom:12px}.ic-sidebar .btn{margin:3px}.ic-resource-list{display:grid;gap:7px}.ic-resource{width:100%;display:flex;gap:10px;text-align:left;align-items:center;border:1px solid var(--line);background:#f8fbfd;border-radius:11px;padding:10px;cursor:pointer}.ic-resource:hover{background:#edf6ff}.ic-resource>span{font-size:20px}.ic-resource small{display:block;color:var(--muted);margin-top:2px}.ic-resource-main{width:100%;margin-top:9px!important}.ic-resource-modal{position:fixed;inset:0;background:rgba(3,10,16,.82);z-index:200;display:flex;align-items:center;justify-content:center;padding:18px}.ic-resource-window{width:min(1200px,96vw);height:min(850px,94vh);background:#fff;color:var(--ink);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:10px;box-shadow:0 20px 60px rgba(0,0,0,.4)}.ic-resource-frame{width:100%;height:100%;border:0;border-radius:10px;background:#f5f7fa}.ic-resource-fallback{display:grid;place-items:center;text-align:center;height:100%;padding:30px}.ic-resource-fallback p{max-width:650px;color:var(--muted)}.ic-evidence-buttons{display:flex;gap:6px;flex-wrap:wrap}.ic-understanding-buttons{display:grid;grid-template-columns:1fr;gap:7px;margin:10px 0}.ic-understanding-buttons .btn{margin:0;width:100%;text-align:left}.ic-evidence-card textarea{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:10px;padding:9px;resize:vertical}.ic-checkline{display:flex;align-items:center;gap:7px;margin-top:9px;font-size:.9rem}.ic-evidence-selected{outline:3px solid rgba(40,120,212,.28);transform:translateY(-1px)}.ic-misconception-tags{display:flex;gap:5px;flex-wrap:wrap;align-items:center;margin:8px 0}.ic-misconception-tags .btn{font-size:.76rem;padding:6px 8px;min-height:34px}.ic-summary-window{height:auto;max-height:94vh;overflow:auto}.ic-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.ic-summary-grid .notice{display:flex;flex-direction:column;gap:4px}.ic-summary-grid strong{font-size:1.6rem}@media(max-width:600px){.ic-summary-grid{grid-template-columns:1fr}}
@media(max-width:900px){.ic-layout{grid-template-columns:1fr}.ic-sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ic-sidebar .card{margin:0}.ic-board-footer{position:sticky;bottom:0;z-index:3}.ic-topbar{align-items:flex-start;flex-direction:column}}@media(max-width:600px){.ic-sidebar{grid-template-columns:1fr}.ic-topbar{padding:11px}.ic-layout{padding:8px}.ic-board-toolbar .btn{flex:1}.ic-board-toolbar input[type=range]{width:90px}.ic-board-footer .btn{padding:8px 10px}.ic-resource-window{padding:8px;height:96vh;width:98vw}}
@media print{.interactive-classroom{position:static;background:#fff;color:#000}.ic-topbar,.ic-board-toolbar,.ic-sidebar,.ic-board-footer,.ic-resource-modal{display:none!important}.ic-layout{display:block;padding:0}.ic-canvas-wrap{border:0}.ic-board-panel canvas{width:100%!important;height:auto!important}}
.lesson-plan-result{overflow:hidden}.lp-section{margin-top:24px}.lp-section>h3{margin-bottom:12px}.lesson-plan-result .table-wrap{overflow:auto}.lesson-plan-result .table{min-width:900px}.lesson-plan-result .notice{margin:8px 0}.lesson-plan-result a{word-break:break-word}.lesson-plan-result .q{margin:10px 0;padding:14px;border:1px solid #e4eaf0;border-radius:12px;background:#fbfdff}@media(max-width:700px){.lesson-plan-result{padding:14px}.lp-section{margin-top:18px}.lesson-plan-result .grid{grid-template-columns:1fr}.lesson-plan-result .table{font-size:12px}.lesson-plan-result .row{gap:8px}}.saarthi-live-input{position:sticky;bottom:0;margin:0;padding:12px 18px 16px;background:linear-gradient(180deg,rgba(255,255,255,.82),#fff 28%);border-top:1px solid #e3ebf1;z-index:4}.saarthi-live-input .saarthi-input-wrap{margin:0}.saarthi-live-input .saarthi-input-wrap textarea{min-height:68px;max-height:120px;resize:vertical}.saarthi-live-input #pinkuMissionVoiceStatus{margin:7px 0 0;font-weight:700;color:#40566e;min-height:18px}#pinkuMissionVoiceStatus.saarthi-progress-visible,.saarthi-live-input #pinkuMissionVoiceStatus.saarthi-progress-visible{font-size:clamp(20px,2vw,24px)!important;font-weight:800!important;line-height:1.45;color:#17324d;background:#edf5ff;border:1px solid #b8cee7;border-radius:10px;padding:12px 16px;display:block;min-height:52px;box-sizing:border-box;white-space:normal;overflow-wrap:anywhere}.saarthi-live-input .saarthi-input-mic{bottom:10px}@media(max-width:700px){.saarthi-live-input{padding:10px 12px 12px}.saarthi-live-input .saarthi-input-wrap textarea{min-height:62px;max-height:110px}}
.saarthi-question .saarthi-input-wrap{margin-top:10px}
/* Lesson plan + interactive classroom layout hardening */
.lp-alignment-grid,.lp-adaptive-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:14px;width:100%}.lp-alignment-grid .notice,.lp-adaptive-grid .notice{min-width:0;margin:0!important;padding:16px;line-height:1.6;overflow-wrap:anywhere;word-break:normal}.lp-alignment-grid .notice b{display:block;margin-bottom:5px}.lp-idea-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.lp-idea-grid .notice{min-width:0;line-height:1.55}.lp-activity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}.lp-two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}.lp-two-col .card{margin:0;min-width:0}.lp-two-col p{line-height:1.65;white-space:normal}.lp-empty{text-align:center;padding:24px!important;color:var(--muted);white-space:normal!important}.lp-flow-table td{vertical-align:top;line-height:1.45;white-space:normal;min-width:120px}.lp-flow-table th:first-child,.lp-flow-table td:first-child{min-width:90px}.lesson-plan-result .grid>*{min-width:0}
.interactive-classroom{height:100dvh;overflow:hidden;display:flex;flex-direction:column}.ic-topbar{flex:0 0 auto}.ic-toolbar-header-restore{display:none!important}.interactive-classroom.ic-chrome-hidden .ic-toolbar-header-restore{display:inline-flex!important;align-items:center;flex:0 0 auto!important}.ic-header-restore{display:none;position:absolute;top:8px;right:12px;z-index:40;border-radius:999px!important;box-shadow:0 3px 12px rgba(0,0,0,.18)}.interactive-classroom.ic-chrome-hidden .ic-topbar{display:none!important}.interactive-classroom.ic-chrome-hidden .ic-header-restore{display:block}.interactive-classroom.ic-chrome-hidden{grid-template-rows:minmax(0,1fr)!important}.interactive-classroom.ic-chrome-hidden .ic-layout{grid-row:1!important;align-self:stretch!important;min-height:0!important;height:100%!important;overflow:hidden!important}.interactive-classroom.ic-chrome-hidden .ic-board-panel{height:100%!important;min-height:0!important;display:flex!important;flex-direction:column!important}.interactive-classroom.ic-chrome-hidden .ic-board-toolbar{flex:0 0 auto!important}.interactive-classroom.ic-chrome-hidden .ic-canvas-wrap{flex:1 1 0!important;height:0!important;min-height:0!important;overflow:hidden!important}.interactive-classroom.ic-chrome-hidden .ic-board-footer{flex:0 0 auto!important}.interactive-classroom.ic-chrome-hidden .ic-board-panel canvas{width:100%!important;height:100%!important;max-height:none!important;object-fit:fill!important}.interactive-classroom.ic-chrome-hidden .ic-color-box{box-shadow:0 0 0 2px rgba(255,255,255,.18);background:#20394a}.ic-layout{flex:1;min-height:0;height:auto;overflow:hidden;grid-template-columns:minmax(0,1fr) minmax(300px,340px);align-items:stretch}.ic-board-panel{min-height:0;overflow:hidden}.ic-canvas-wrap{flex:1;min-height:300px;height:auto}.ic-board-panel canvas{width:100%;height:100%;max-height:100%;object-fit:contain}.ic-sidebar{height:100%;overflow-y:auto;padding-right:3px;overscroll-behavior:contain}.ic-board-toolbar{flex:0 0 auto}.ic-special-tools{position:absolute;top:58px;left:10px;right:10px;z-index:12;max-height:min(42vh,330px);overflow:auto;background:#102634;border:1px solid #355064;border-radius:14px;padding:10px;box-shadow:0 14px 36px rgba(0,0,0,.28)}.ic-tools-close{position:absolute;right:8px;top:8px;z-index:2;width:36px;height:36px;border:0;border-radius:50%;background:#fff;color:#172b3a;font-size:20px;font-weight:900;cursor:pointer;box-shadow:0 3px 12px rgba(0,0,0,.2)}.ic-tools-close:hover{transform:scale(1.06)}.ic-smart-tools{position:absolute;top:58px;left:10px;right:10px;z-index:13;max-height:min(42vh,330px);overflow:auto;background:#102634;border:1px solid #355064;border-radius:14px;padding:10px;box-shadow:0 14px 36px rgba(0,0,0,.28)}.ic-board-panel{position:relative}.ic-board-toolbar{padding:7px!important}.ic-board-toolbar .btn{min-height:34px;padding:6px 9px}.ic-color-box{display:inline-flex;align-items:center;gap:5px;padding:4px 7px;border-radius:10px;background:rgba(255,255,255,.1)}.ic-color-dot{width:25px;height:25px;min-width:25px;border:2px solid #fff;border-radius:50%;padding:0;cursor:pointer;background:var(--dot,#172b3a)!important}.ic-color-dot[data-color="#172b3a"]{--dot:#172b3a}.ic-color-dot[data-color="#2563eb"]{--dot:#2563eb}.ic-color-dot[data-color="#dc2626"]{--dot:#dc2626}.ic-color-dot[data-color="#16a34a"]{--dot:#16a34a}.ic-color-dot[data-color="#ea580c"]{--dot:#ea580c}.ic-color-dot[data-color="#7c3aed"]{--dot:#7c3aed}.ic-color-dot.active{outline:3px solid #fbbf24;outline-offset:1px}.ic-color-custom{width:30px;height:28px;padding:0;border:1px solid #fff;border-radius:7px;background:transparent;cursor:pointer}.ic-shape-properties-window{width:min(620px,calc(100vw - 32px));max-width:620px!important;padding:22px!important}.ic-shape-properties-head{align-items:flex-start;justify-content:space-between;gap:16px}.ic-shape-properties-head h2{margin:10px 0 4px;text-transform:capitalize}.ic-shape-property-grid{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:14px;margin-top:18px}.ic-shape-property-grid label{display:flex;flex-direction:column;gap:7px;font-weight:700}.ic-shape-property-grid input{width:100%!important;min-width:0!important;height:44px;padding:9px 12px;font-size:16px}@media(max-width:560px){.ic-shape-properties-window{width:calc(100vw - 18px);padding:16px!important}.ic-shape-property-grid{grid-template-columns:1fr}}.ic-board-toolbar select{min-height:34px}.ic-canvas-wrap{min-height:420px}.ic-board-footer{flex:0 0 auto}.ic-smart-tools{width:100%}
@media(max-width:1100px){.ic-layout{grid-template-columns:minmax(0,1fr) 290px;gap:10px;padding:10px}.ic-board-toolbar{gap:5px;padding:7px}.ic-board-toolbar .btn{min-height:34px;padding:6px 8px;font-size:.82rem}.ic-sidebar .card{padding:14px}.ic-topbar{padding:10px 14px}.ic-topbar h1{font-size:1.15rem}}
@media(max-width:900px){.interactive-classroom{height:auto;min-height:100dvh;overflow:auto}.ic-layout{height:auto;overflow:visible;grid-template-columns:1fr}.ic-board-panel{overflow:visible}.ic-canvas-wrap{height:55vh;min-height:360px}.ic-sidebar{height:auto;overflow:visible;grid-template-columns:repeat(2,minmax(0,1fr))}.ic-special-tools{max-height:none}}
@media(max-width:700px){.lp-two-col,.lp-idea-grid,.lp-activity-grid,.lp-alignment-grid,.lp-adaptive-grid{grid-template-columns:1fr}.lesson-plan-result .table{min-width:760px}.ic-canvas-wrap{height:50vh;min-height:320px}.ic-sidebar{grid-template-columns:1fr}.interactive-classroom .ic-smart-tools{max-height:none!important}.interactive-classroom .ic-board-toolbar{overflow-x:auto;flex-wrap:nowrap!important;scrollbar-width:thin}.interactive-classroom .ic-board-toolbar .btn{flex:0 0 auto!important}.interactive-classroom .ic-board-toolbar select{flex:0 0 auto}}
.saarthi-question .saarthi-input-wrap textarea{min-height:96px}
.saarthi-question .saarthi-input-mic{position:absolute;right:10px;bottom:10px}
.saarthi-mastery-activity{margin-top:16px;padding:16px;border:2px solid #e7d27a;border-radius:16px;background:linear-gradient(135deg,#fffaf0,#f7fbff)}.saarthi-mastery-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.saarthi-mastery-head h3{margin:7px 0 4px}.saarthi-mastery-head p{margin:0;color:#61758a}.saarthi-mastery-head>strong{white-space:nowrap;padding:8px 11px;border-radius:999px;background:#fff2b8;color:#765400}.saarthi-activity-grid{display:grid;gap:10px;margin:14px 0}.saarthi-activity-item{padding:13px;border:1px solid #dbe5ed;border-radius:13px;background:#fff}.saarthi-activity-type{display:inline-block;margin-bottom:7px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#6d4aff}.saarthi-activity-item input[type=text],.saarthi-activity-item input:not([type]),.saarthi-activity-item textarea,.saarthi-activity-item select{width:100%;margin-top:9px;border:1px solid #ccd9e5;border-radius:9px;padding:9px;font:inherit}.saarthi-activity-options{display:grid;gap:7px;margin-top:10px}.saarthi-activity-options label{padding:8px 10px;border:1px solid #dbe5ed;border-radius:9px}.saarthi-match-list{display:grid;gap:8px;margin-top:10px}.saarthi-match-list label{display:grid;grid-template-columns:minmax(0,1fr) minmax(130px,220px);gap:8px;align-items:center}.saarthi-activity-done{margin-top:12px;padding:10px 12px;border-radius:10px;background:#e9f8ee;color:#176b39;font-weight:600}@media(max-width:700px){.saarthi-mastery-head{flex-direction:column}.saarthi-match-list label{grid-template-columns:1fr}.saarthi-mastery-head>strong{align-self:flex-start}}
.saarthi-question .saarthi-input-wrap{position:relative}
.saarthi-question .saarthi-input-chat-icon{position:absolute;left:12px;top:12px;z-index:2;pointer-events:none}.saarthi-history-card{margin-top:18px}.saarthi-history-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.saarthi-history-list{display:grid;gap:10px;margin-top:14px}.saarthi-history-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 15px;border:1px solid #e3eaf2;border-radius:14px;background:#fbfdff}.saarthi-history-main{min-width:0}.saarthi-history-title{font-weight:800;color:#243247}.saarthi-history-title span{font-weight:500;color:#9aa8b8}.saarthi-history-doubt{margin-top:4px;color:#53677e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:75ch}.saarthi-history-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:7px;font-size:11px;color:#7b8da1}.saarthi-history-view{white-space:nowrap}.saarthi-history-loading,.saarthi-history-empty{padding:16px;border:1px dashed #d6e0ea;border-radius:14px;margin-top:14px;color:#66798d;background:#fafcff}.saarthi-history-modal{width:min(820px,94vw);max-height:86vh;overflow:auto}.saarthi-history-modal-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.saarthi-history-readonly{margin-top:16px;display:grid;gap:8px;max-height:58vh;overflow:auto;padding-right:4px}.saarthi-history-msg{padding:11px 13px;border-radius:13px;background:#f4f8fc}.saarthi-history-msg.student{margin-left:12%;background:#eef7ff}.saarthi-history-msg.teacher{margin-right:12%}.saarthi-history-msg .saarthi-msg-name{font-size:11px;font-weight:800;margin-bottom:4px;color:#64778d}.saarthi-history-footer{display:flex;justify-content:space-between;gap:10px;margin-top:14px;padding-top:12px;border-top:1px solid #e7edf3;color:#718399;font-size:12px}.saarthi-session-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.saarthi-new-doubt-btn,.saarthi-stop-btn{white-space:nowrap;font-size:12px;padding:8px 11px}.saarthi-stop-btn{border-color:#f0b4b4}.saarthi-thinking{margin:10px 12px;padding:12px 14px;border:1px solid #d9e5ef;border-radius:14px;background:linear-gradient(135deg,#f7fbff,#f7f2ff);display:flex;align-items:center;gap:10px;box-shadow:0 5px 15px rgba(44,72,105,.06)}.saarthi-thinking-icon{font-size:22px;animation:saarthiThinkPulse 1s ease-in-out infinite}.saarthi-thinking>div{flex:1;min-width:0}.saarthi-thinking b,.saarthi-thinking span{display:block}.saarthi-thinking div span{margin-top:2px;color:#60758a;font-size:12px}.saarthi-thinking-dots{font-weight:900;letter-spacing:3px;color:#6d4aff;animation:saarthiThinkDots 1s ease-in-out infinite}@keyframes saarthiThinkPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}@keyframes saarthiThinkDots{0%,100%{opacity:.35}50%{opacity:1}}
@media(max-width:700px){.saarthi-question .saarthi-input-wrap textarea{min-height:110px;padding-left:42px;padding-right:60px}}
/* v616 Saarthi co-teaching */
.saarthi-coteach-row{margin-top:12px;border-left:4px solid #7c3aed}.saarthi-coteach-modal{max-width:1100px;max-height:88vh;overflow:auto}.saarthi-coteach-history{max-height:430px;overflow:auto;padding-right:4px}.saarthi-coteach-history .q{margin-bottom:7px}.saarthi-coteach-modal input{min-width:0}.saarthi-coteach-row .grid{gap:14px}.saarthi-coteach-row p{margin:5px 0 9px}
@media(max-width:700px){.saarthi-coteach-modal{margin:10px;max-height:94vh}.saarthi-coteach-modal .row{flex-wrap:wrap}.saarthi-coteach-modal input{width:100%;flex:1 1 100%}.saarthi-coteach-row .grid{grid-template-columns:1fr}}
/* v615 Saarthi learning-interaction controls */
.saarthi-quick-controls{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:14px 0 4px;padding:12px;border:1px solid #e3eaf2;border-radius:14px;background:#fbfdff}.saarthi-quick-controls .muted{font-size:12px;font-weight:700;margin-right:2px}.saarthi-quick-controls .btn,.saarthi-report-controls .btn{font-size:12px;padding:7px 10px}.saarthi-teacher-active{margin-top:12px;border-left:4px solid #16a34a}.saarthi-teacher-waiting{margin-top:12px;border-left:4px solid #7c3aed}.saarthi-report-controls{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px;padding-top:10px;border-top:1px dashed #dbe4ee}.saarthi-teacher-handoff textarea{width:100%;margin-top:9px;border:1px solid #ccd9e5;border-radius:10px;padding:10px;font:inherit;box-sizing:border-box}.saarthi-teacher-handoff{margin-top:12px}.saarthi-teacher-handoff .row{gap:8px}
@media(max-width:700px){.saarthi-quick-controls{display:grid;grid-template-columns:1fr 1fr}.saarthi-quick-controls .muted{grid-column:1/-1}.saarthi-quick-controls .btn{width:100%}.saarthi-report-controls .btn{flex:1;min-width:170px}}
/* v628 — intelligent interactive board controls */
.ic-smart-tools{margin:8px 0 10px;padding:9px 10px;border:1px solid #d8e4ef;border-radius:14px;background:linear-gradient(135deg,#f8fbff,#f7f3ff);display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.ic-smart-tools .ic-special-tabs{width:100%;display:flex;gap:7px;flex-wrap:wrap;margin-bottom:2px}
.ic-smart-tools .ic-special-panel{padding:7px 0;border-top:1px dashed #d6e1eb}
.ic-smart-input{min-width:220px;max-width:420px;padding:9px 11px;border:1px solid #ccdbe8;border-radius:10px;font:inherit;background:#fff}
.ic-investigation-steps{display:inline-flex;align-items:center;margin:0 8px 7px 0;padding:7px 11px;border-radius:999px;background:#fff;border:1px solid #dce6ef;font-weight:900;color:#315879}
@media(max-width:700px){.ic-smart-tools{padding:8px}.ic-smart-tools .btn{flex:1;min-width:125px}.ic-smart-input{width:100%;max-width:none;box-sizing:border-box}.ic-investigation-steps{width:100%;box-sizing:border-box;margin-bottom:7px}}
/* v423 — unified elegant, friendly dashboard refresh */
.role-dashboard{position:relative;isolation:isolate;padding-top:6px}
.role-dashboard:before,.role-dashboard:after{content:"";position:absolute;z-index:-1;border-radius:50%;pointer-events:none}
.role-dashboard:before{width:220px;height:220px;left:-90px;top:90px;background:rgba(124,92,229,.07)}
.role-dashboard:after{width:260px;height:260px;right:-110px;bottom:40px;background:rgba(53,167,232,.07)}
.dash-hero{border:1px solid rgba(255,255,255,.28);min-height:210px;padding:30px 32px;border-radius:32px;box-shadow:0 20px 50px rgba(24,57,87,.15)}
.dash-hero:before{width:390px;height:390px;right:-135px;top:-210px;background:rgba(255,255,255,.13);box-shadow:-80px 110px 0 20px rgba(255,255,255,.045)}
.dash-hero:after{content:"✦  ✨  •";right:34px;bottom:22px;font-size:34px;letter-spacing:8px;opacity:.25;animation:dashSparkle 4s ease-in-out infinite}
.student-hero{background:linear-gradient(135deg,#24527f 0%,#2e8fd0 52%,#58c6dc 100%)}
.teacher-hero{background:linear-gradient(135deg,#173b62 0%,#356fc0 52%,#7c5ce5 100%)}
.principal-hero{background:linear-gradient(135deg,#344d72 0%,#625fc1 55%,#8b6be8 100%)}
.parent-hero{background:linear-gradient(135deg,#245b67 0%,#27a98c 55%,#55c78d 100%)}
.dash-hero h1{font-weight:950;text-shadow:0 2px 12px rgba(0,0,0,.08)}
.dash-context span{backdrop-filter:blur(8px);box-shadow:0 4px 12px rgba(0,0,0,.05)}
.dash-primary,.dash-light{border-radius:15px!important;min-height:48px!important;font-size:13px}
.dash-stats{gap:14px}
.dash-stat{position:relative;overflow:hidden;border-radius:22px;padding:17px 16px;border:1px solid #e3edf4;box-shadow:0 9px 26px rgba(27,57,83,.065)}
.dash-stat:after{content:"";position:absolute;width:74px;height:74px;border-radius:50%;right:-25px;top:-30px;background:rgba(40,120,212,.045)}
.dash-stat-icon{width:48px;height:48px;border-radius:16px;font-size:23px;box-shadow:0 5px 12px rgba(40,90,130,.07)}
.dash-stat-value{font-size:27px;font-weight:950}
.dash-panel{border-radius:24px;padding:22px;box-shadow:0 9px 28px rgba(24,57,87,.055)}
.dash-section-head h2{font-size:23px;font-weight:950}
.dash-action-grid{gap:12px}
.dash-action{position:relative;overflow:hidden;min-height:82px;border-radius:18px;padding:14px;border-color:#e3edf4;background:linear-gradient(145deg,#fff,#fbfdff);box-shadow:0 5px 14px rgba(20,50,80,.035)}
.dash-action:after{content:"";position:absolute;width:62px;height:62px;border-radius:50%;right:-25px;bottom:-28px;background:rgba(40,120,212,.045)}
.dash-action-icon{width:43px;height:43px;border-radius:14px;font-size:21px}
.dash-action b{font-size:13.5px;font-weight:900}
.student-dashboard .dash-action:nth-child(1) .dash-action-icon{background:#eaf6ff}.student-dashboard .dash-action:nth-child(2) .dash-action-icon{background:#f2edff}.student-dashboard .dash-action:nth-child(3) .dash-action-icon{background:#fff4e8}.student-dashboard .dash-action:nth-child(4) .dash-action-icon{background:#eaf9f3}.student-dashboard .dash-action:nth-child(5) .dash-action-icon{background:#fff0f6}.student-dashboard .dash-action:nth-child(6) .dash-action-icon{background:#eef3ff}
.dash-spotlight{border-radius:24px;background:linear-gradient(145deg,#f8fbff 0%,#f4f0ff 100%);border-color:#dfe6f5}
.student-dashboard .dash-spotlight{background:linear-gradient(145deg,#eff9ff,#f7f0ff 60%,#fff9e9)}
.student-dashboard .dash-wide{background:linear-gradient(135deg,#6d4aff,#2878d4)}
.teacher-dashboard .dash-wide{background:linear-gradient(135deg,#2878d4,#6d4aff)}
.principal-dashboard .dash-wide{background:linear-gradient(135deg,#625fc1,#8b6be8)}
.parent-dashboard .dash-wide{background:linear-gradient(135deg,#168e78,#27a98c)}
.dash-feed-item{padding:13px 4px}
.dash-feed-icon,.activity-icon{box-shadow:0 4px 10px rgba(30,70,110,.05)}
.dash-progress{height:9px;background:#edf3f7}
.dash-progress i{background:linear-gradient(90deg,#2878d4,#7c5ce5,#20a873)}
.child-card{border-radius:18px;transition:.18s}.child-card:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(25,60,90,.07)}
@keyframes dashSparkle{0%,100%{transform:translateY(0);opacity:.22}50%{transform:translateY(-5px);opacity:.42}}
@media(max-width:650px){.dash-hero{padding:22px 18px;border-radius:24px;min-height:0}.dash-stat{border-radius:18px}.dash-action{min-height:76px}.dash-panel{border-radius:20px}}
/* Previous student dashboard interface restored */
/* Ask & Learn student experience */
.asklearn-hero{padding:30px 18px 28px;border-radius:24px;background:linear-gradient(135deg,#eef8ff 0%,#f7efff 48%,#fff7e8 100%);border:1px solid #dceaf5;overflow:hidden;box-shadow:0 14px 35px rgba(72,91,140,.10)}
.asklearn-hero h1{font-size:clamp(34px,6vw,52px);margin:10px 0 6px;color:#17324d}.asklearn-hero p{max-width:760px;font-size:17px}.asklearn-pill{background:#fff;border-color:#d9e7f5;font-size:13px}.asklearn-sparkles{float:right;font-size:26px;letter-spacing:7px;animation:floaty 3s ease-in-out infinite}
.asklearn-grid{margin-top:6px}.asklearn-card{position:relative;overflow:hidden}.asklearn-card:before{content:"";position:absolute;right:-35px;top:-35px;width:110px;height:110px;border-radius:50%;background:rgba(40,120,212,.06)}
.asklearn-card-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}.asklearn-card-head h2{margin:0}.asklearn-card-head p{margin:3px 0 0;font-size:13px}.asklearn-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;font-size:28px;background:linear-gradient(135deg,#fff,#eaf6ff);box-shadow:0 7px 18px rgba(40,120,212,.13);border:1px solid #d9e9f7}
.asklearn-form-card{background:linear-gradient(180deg,#fff,#f8fcff)}.asklearn-form-card #doubtQuestion{min-height:150px;border:2px solid #dce9f5;background:#fffdfd}.asklearn-form-card #doubtQuestion:focus{border-color:#7c5ce5;box-shadow:0 0 0 4px rgba(124,92,229,.12)}
.asklearn-form-card #doubtBtn{width:100%;font-size:16px;min-height:52px;margin-top:10px;background:linear-gradient(135deg,#7c5ce5,#2878d4);box-shadow:0 10px 22px rgba(92,82,190,.22)}
.asklearn-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.asklearn-action{margin:0!important;min-height:100px;padding:16px!important;display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.45;transition:transform .18s,box-shadow .18s;cursor:pointer;text-align:left;font-family:inherit;width:100%;border-radius:14px}.asklearn-action:hover{transform:translateY(-3px);box-shadow:0 9px 20px rgba(24,48,74,.09)}.asklearn-action.hint{background:#fff8df;border-color:#f5df9b;color:#795b08}.asklearn-action.teach{background:#f2edff;border-color:#ddd1ff;color:#5540a4}.asklearn-action.practice{background:#eafaf3;border-color:#c8eadb;color:#176342}.asklearn-action.test{background:#fff0f6;border-color:#f4cedf;color:#8b3e61}
.asklearn-history{margin-top:20px}.asklearn-history .q{transition:background .15s;padding:14px 10px;border-radius:12px}.asklearn-history .q:hover{background:#f8fbff}.asklearn-dashboard-card{display:flex;align-items:center;gap:16px;margin-top:18px;background:linear-gradient(135deg,#f4efff,#eef8ff 55%,#fff7e8);border:1px solid #ddd5f7}.asklearn-dashboard-icon{width:58px;height:58px;min-width:58px;display:grid;place-items:center;border-radius:18px;background:#fff;font-size:30px;box-shadow:0 8px 20px rgba(83,65,164,.12)}.asklearn-dashboard-card h2{margin:0 0 4px}.asklearn-dashboard-card p{margin:0}.asklearn-dashboard-btn{background:linear-gradient(135deg,#6d4aff,#3b82f6)!important;color:#fff!important;border:0!important;box-shadow:0 8px 18px rgba(73,75,200,.22)}.asklearn-dashboard-card>.asklearn-dashboard-btn{margin-left:auto;white-space:nowrap}
@media(max-width:760px){.asklearn-hero{padding:24px 15px;border-radius:20px}.asklearn-sparkles{font-size:20px;letter-spacing:3px}.asklearn-actions{grid-template-columns:1fr}.asklearn-action{min-height:76px}.asklearn-card-head{margin-bottom:12px}.asklearn-form-card #doubtQuestion{min-height:125px}.asklearn-dashboard-card{align-items:flex-start;flex-wrap:wrap}.asklearn-dashboard-card>.asklearn-dashboard-btn{margin-left:0;width:100%;white-space:normal}}
/* v439 — persistent core navigation and expandable menu fix */
.top .nav-core{display:flex!important;align-items:center!important;gap:8px!important;flex:0 0 auto!important}
.top .nav-core .nav-item{display:inline-flex!important;align-items:center!important;justify-content:center!important;gap:7px!important;min-height:44px!important;padding:9px 15px!important;border:1px solid rgba(255,255,255,.18)!important;border-radius:13px!important;background:linear-gradient(135deg,rgba(255,255,255,.16),rgba(255,255,255,.08))!important;color:#fff!important;font-weight:800!important;font-size:13px!important;line-height:1!important;cursor:pointer!important;box-shadow:0 3px 10px rgba(0,0,0,.08)!important}
.top .nav-core .nav-item:hover{background:rgba(255,255,255,.24)!important;transform:translateY(-1px)}
.top .nav-core .nav-icon{font-size:18px!important;line-height:1!important}
.top .nav-core .nav-signout{background:linear-gradient(135deg,rgba(255,255,255,.19),rgba(255,255,255,.10))!important}
.top .mobile-menu-toggle{display:inline-flex!important;align-items:center!important;justify-content:center!important;width:46px!important;height:44px!important;padding:0!important;border:1px solid rgba(255,255,255,.24)!important;border-radius:13px!important;background:linear-gradient(135deg,rgba(255,255,255,.18),rgba(255,255,255,.08))!important;color:#fff!important;font-size:23px!important;font-weight:900!important;cursor:pointer!important;box-shadow:0 3px 10px rgba(0,0,0,.10)!important}
.top .mobile-menu-toggle:hover{background:rgba(255,255,255,.28)!important}
.top .nav{z-index:100!important}
/* Final navigation audit: the menu toggle is available on desktop and mobile. Desktop uses it to keep the full role menu collapsed until requested. */
@media(min-width:761px) and (pointer:fine){.top .mobile-menu-toggle{display:inline-flex!important}}
@media(max-width:760px),(pointer:coarse) and (max-width:900px){.top .mobile-menu-toggle{display:inline-flex!important}}
@media(max-width:760px){
 .top .nav-core .nav-item{min-height:40px!important;padding:8px 11px!important;font-size:12px!important}
 .top .mobile-menu-toggle{width:42px!important;height:40px!important;font-size:21px!important}
}
/* v440 — Pinku Classroom curriculum + teaching mode controls */
.pk-mode-picker{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}.pk-mode-picker button{display:flex;align-items:center;gap:13px;text-align:left;padding:16px 18px;border:2px solid #dce5f0;border-radius:18px;background:#fff;cursor:pointer;transition:.18s ease;color:#18324a}.pk-mode-picker button>span{font-size:30px}.pk-mode-picker button b{display:block;font-size:15px}.pk-mode-picker button small{display:block;margin-top:4px;color:#66798a;font-size:11px}.pk-mode-picker button:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(38,75,110,.10)}.pk-mode-picker button.active{border-color:#7c5ce5;background:linear-gradient(135deg,#f4efff,#eef7ff);box-shadow:0 8px 20px rgba(124,92,229,.14)}.pk-mode-note{padding:12px 15px;border-radius:14px;background:#eef9f2;border:1px solid #ccebd8;color:#276746;margin:10px 0 14px}.pk-curriculum-note{margin:7px 0 12px;padding:9px 11px;border-radius:10px;background:#f4f8fc;border:1px solid #e0e9f2;font-size:11px;line-height:1.4}.pinku-classroom-mode-virtual{border-color:#7c5ce5}.pinku-classroom-mode-physical{border-color:#25a66a}@media(max-width:700px){.pk-mode-picker{grid-template-columns:1fr}.pk-mode-picker button{padding:13px}.pk-mode-picker button>span{font-size:26px}}
/* v438 — compact persistent header with expandable navigation */
.nav-core{display:flex;align-items:center;gap:7px;flex:0 0 auto}.nav-core .nav-item{white-space:nowrap}
.mobile-menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:46px;height:44px;padding:0;border:1px solid rgba(255,255,255,.24);border-radius:13px;background:rgba(255,255,255,.13);color:#fff;font-size:22px;font-weight:900;cursor:pointer;box-shadow:0 3px 10px rgba(0,0,0,.08);transition:.18s ease}
.mobile-menu-toggle:hover{background:rgba(255,255,255,.22);transform:translateY(-1px)}
.top:not(.worksheet-focus) .nav{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-8px);width:min(1240px,calc(100% - 32px));margin:0;padding:12px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;background:linear-gradient(145deg,#17324d,#245f91);border:1px solid rgba(255,255,255,.18);border-top:0;border-radius:0 0 18px 18px;box-shadow:0 18px 36px rgba(15,42,67,.25);opacity:0;visibility:hidden;pointer-events:none;z-index:50;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
.top:not(.worksheet-focus):not(.mobile-nav-collapsed) .nav{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.top:not(.worksheet-focus) .nav button{width:100%;min-height:44px;padding:9px 10px;border-radius:12px;font-size:13px;white-space:nowrap}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #f59e0b!important;outline-offset:2px}
button:disabled,.btn:disabled{cursor:not-allowed!important;opacity:.58!important;transform:none!important}
input,select,textarea,button{max-width:100%;box-sizing:border-box}
.table-wrap{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
img,video,iframe,canvas{max-width:100%}
.top:not(.worksheet-focus) .nav-item>span:last-child{overflow:hidden;text-overflow:ellipsis}
.top:not(.worksheet-focus) .nav-item .nav-icon{font-size:18px}
.top:not(.worksheet-focus) .topbar{position:relative}
.top:not(.worksheet-focus) .brand{flex:1;min-width:0}
.top:not(.worksheet-focus) .nav-core{flex:0 0 auto}
.top:not(.worksheet-focus) .nav-signout{background:rgba(255,255,255,.16)}
@media(max-width:900px){
 .top:not(.worksheet-focus) .nav{grid-template-columns:repeat(3,minmax(120px,1fr));width:min(760px,calc(100% - 20px))}
 .top:not(.worksheet-focus) .nav button{font-size:12px}
}
@media(max-width:600px){
 .top:not(.worksheet-focus) .topbar{padding:8px 12px;gap:7px}
 .top:not(.worksheet-focus) .brand{font-size:14px}
 .top:not(.worksheet-focus) .brand .pill{font-size:10px;padding:4px 7px}
 .nav-core .nav-item{min-height:40px;padding:8px 10px;font-size:12px}
 .nav-core .nav-item .nav-icon{font-size:16px}
 .mobile-menu-toggle{width:42px;height:40px;font-size:20px}
 .top:not(.worksheet-focus) .nav{grid-template-columns:repeat(2,minmax(0,1fr));width:calc(100% - 16px);padding:9px;gap:7px}
}
@media(max-width:390px){
 .nav-core .nav-item>span:last-child{display:none}
 .nav-core .nav-item{width:42px;padding:0}
 .top:not(.worksheet-focus) .nav{grid-template-columns:1fr}
}
/* v523 MOBILE NAV REDESIGN — compact 2-column drawer */
/* v524 aesthetic compact two-column mobile menu */
/* v525 FINAL SPECIFICITY FIX */
@media(max-width:760px){
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{
  display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;grid-auto-rows:36px!important;gap:5px!important;
  width:min(310px,84vw)!important;min-width:0!important;max-width:310px!important;height:auto!important;max-height:calc(100dvh - 16px)!important;
  position:fixed!important;left:8px!important;top:8px!important;right:auto!important;bottom:8px!important;
  padding:50px 8px 8px!important;margin:0!important;overflow-y:auto!important;overflow-x:hidden!important;box-sizing:border-box!important;
  align-content:start!important;background:linear-gradient(180deg,#123552 0%,#1b547f 100%)!important;
  border:1px solid rgba(255,255,255,.15)!important;border-radius:18px!important;box-shadow:14px 12px 36px rgba(5,25,43,.28)!important;
  z-index:9999!important;pointer-events:auto!important;
 }
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{
  display:flex!important;width:100%!important;height:36px!important;min-height:36px!important;max-height:36px!important;flex:0 0 36px!important;
  margin:0!important;padding:4px 7px!important;box-sizing:border-box!important;align-items:center!important;justify-content:flex-start!important;gap:6px!important;
  border-radius:9px!important;font-size:11.5px!important;line-height:1!important;white-space:nowrap!important;overflow:hidden!important;
  pointer-events:auto!important;cursor:pointer!important;background:rgba(255,255,255,.085)!important;border:1px solid rgba(255,255,255,.12)!important;
 }
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{width:23px!important;min-width:23px!important;font-size:15px!important;text-align:center!important}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item>span:last-child{display:block!important;min-width:0!important;overflow:hidden!important;text-overflow:ellipsis!important;white-space:nowrap!important}
}
@media(max-width:380px){
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{width:calc(100vw - 16px)!important;left:8px!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:4px!important;padding:48px 6px 6px!important}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{height:34px!important;min-height:34px!important;max-height:34px!important;flex-basis:34px!important;padding:3px 5px!important;gap:4px!important;font-size:10.5px!important}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{width:20px!important;min-width:20px!important;font-size:14px!important}
}
@media(max-width:760px){
  .top:not(.worksheet-focus) .nav{
    display:grid!important;
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
    grid-auto-rows:36px!important;
    gap:5px!important;
    width:min(360px,92vw)!important;
    min-width:0!important;
    max-width:360px!important;
    height:auto!important;
    max-height:calc(100dvh - 16px)!important;
    position:fixed!important;
    left:8px!important;
    top:8px!important;
    right:auto!important;
    bottom:8px!important;
    padding:50px 8px 8px!important;
    margin:0!important;
    overflow-y:auto!important;
    overflow-x:hidden!important;
    box-sizing:border-box!important;
    align-content:start!important;
    background:linear-gradient(180deg,#123552 0%,#1b547f 100%)!important;
    border:1px solid rgba(255,255,255,.15)!important;
    border-radius:18px!important;
    box-shadow:14px 12px 36px rgba(5,25,43,.28)!important;
    z-index:9999!important;
    pointer-events:auto!important;
  }
  .top:not(.worksheet-focus) .nav .nav-item{
    display:flex!important;
    width:100%!important;
    height:36px!important;
    min-height:36px!important;
    max-height:36px!important;
    flex:0 0 36px!important;
    margin:0!important;
    padding:4px 7px!important;
    box-sizing:border-box!important;
    align-items:center!important;
    justify-content:flex-start!important;
    gap:6px!important;
    border-radius:9px!important;
    font-size:11.5px!important;
    line-height:1!important;
    white-space:nowrap!important;
    overflow:hidden!important;
    pointer-events:auto!important;
    cursor:pointer!important;
    background:rgba(255,255,255,.085)!important;
    border:1px solid rgba(255,255,255,.12)!important;
  }
  .top:not(.worksheet-focus) .nav .nav-item:active{
    transform:scale(.985)!important;
    background:rgba(255,255,255,.17)!important;
  }
  .top:not(.worksheet-focus) .nav .nav-icon{
    width:23px!important;
    min-width:23px!important;
    font-size:15px!important;
    text-align:center!important;
  }
  .top:not(.worksheet-focus) .nav .nav-item>span:last-child{
    display:block!important;
    min-width:0!important;
    overflow:hidden!important;
    text-overflow:ellipsis!important;
    white-space:nowrap!important;
  }
  .top:not(.worksheet-focus) .nav:before{
    top:15px!important;
    left:15px!important;
    right:15px!important;
    font-size:10px!important;
    padding-bottom:6px!important;
  }
  .top:not(.worksheet-focus) .mobile-nav-backdrop{
    z-index:1!important;
    pointer-events:none!important;
    backdrop-filter:none!important;
    -webkit-backdrop-filter:none!important;
  }
  .top:not(.worksheet-focus) .topbar{z-index:10000!important}
}
@media(max-width:380px){
  .top:not(.worksheet-focus) .nav{
    width:calc(100vw - 16px)!important;
    left:8px!important;
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
    gap:4px!important;
    padding:48px 6px 6px!important;
  }
  .top:not(.worksheet-focus) .nav .nav-item{
    height:34px!important;
    min-height:34px!important;
    max-height:34px!important;
    flex-basis:34px!important;
    padding:3px 5px!important;
    gap:4px!important;
    font-size:10.5px!important;
  }
  .top:not(.worksheet-focus) .nav .nav-icon{
    width:20px!important;
    min-width:20px!important;
    font-size:14px!important;
  }
}
@media(max-width:760px){
 .top:not(.worksheet-focus) .nav{
  display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;
  width:min(330px,88vw)!important;min-width:0!important;max-width:330px!important;
  height:auto!important;max-height:calc(100dvh - 12px)!important;
  position:fixed!important;left:8px!important;top:8px!important;right:auto!important;bottom:8px!important;
  padding:58px 10px 10px!important;margin:0!important;
  gap:7px!important;overflow-y:auto!important;overflow-x:hidden!important;
  box-sizing:border-box!important;align-content:start!important;
  background:linear-gradient(180deg,#0f3554 0%,#124b78 52%,#0e416b 100%)!important;
  border:1px solid rgba(116,204,255,.42)!important;border-radius:20px!important;
  box-shadow:14px 16px 42px rgba(3,20,36,.42),inset 0 1px 0 rgba(255,255,255,.10)!important;
  z-index:9999!important;transform:none!important;
 }
 .top.mobile-nav-collapsed .nav{opacity:0!important;visibility:hidden!important;pointer-events:none!important;}
 .top:not(.mobile-nav-collapsed) .nav{opacity:1!important;visibility:visible!important;pointer-events:auto!important;}
 .top:not(.worksheet-focus) .nav .nav-item{
  display:flex!important;flex:0 0 42px!important;width:100%!important;height:42px!important;
  min-height:42px!important;max-height:42px!important;margin:0!important;padding:6px 9px!important;
  box-sizing:border-box!important;border-radius:11px!important;
  align-items:center!important;justify-content:flex-start!important;
  gap:9px!important;font-size:14.5px!important;font-weight:850!important;line-height:1!important;
  white-space:nowrap!important;pointer-events:auto!important;cursor:pointer!important;
  color:#fff!important;background:linear-gradient(135deg,rgba(52,137,202,.38),rgba(22,83,130,.62))!important;
  border:1px solid rgba(118,211,255,.34)!important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10),0 3px 10px rgba(0,0,0,.16)!important;
  text-shadow:0 1px 2px rgba(0,0,0,.30)!important;
  transition:transform .14s ease,background .14s ease,border-color .14s ease,box-shadow .14s ease,filter .14s ease!important;
 }
 .top:not(.worksheet-focus) .nav .nav-item:hover{background:linear-gradient(135deg,rgba(70,166,235,.58),rgba(25,105,164,.78))!important;border-color:rgba(154,229,255,.62)!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.16),0 5px 14px rgba(0,0,0,.20)!important;filter:brightness(1.08)!important;}
 .top:not(.worksheet-focus) .nav .nav-item:active{transform:scale(.975)!important;background:linear-gradient(135deg,rgba(84,181,245,.72),rgba(28,116,178,.84))!important;border-color:rgba(190,239,255,.78)!important;}
 .top:not(.worksheet-focus) .nav .nav-icon{width:28px!important;min-width:28px!important;font-size:21px!important;line-height:1!important;filter:drop-shadow(0 1px 2px rgba(0,0,0,.28))!important}
 .top:not(.worksheet-focus) .nav .nav-item>span:last-child{display:block!important;min-width:0!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;color:#fff!important;font-weight:850!important;}
 .top:not(.worksheet-focus) .mobile-nav-backdrop{
  position:fixed!important;inset:0!important;z-index:9998!important;pointer-events:none!important;opacity:0!important;background:rgba(2,13,24,.48)!important;filter:none!important;backdrop-filter:blur(1px)!important;-webkit-backdrop-filter:blur(1px)!important;
 }
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-nav-backdrop{pointer-events:auto!important;opacity:1!important;}
 .top:not(.worksheet-focus) .topbar{z-index:10000!important}
}
@media(max-width:380px){
 .top:not(.worksheet-focus) .nav{width:calc(100vw - 20px)!important;left:10px!important;grid-template-columns:repeat(2,minmax(0,1fr))!important}
 .top:not(.worksheet-focus) .nav .nav-item{font-size:12px!important;padding:5px 6px!important;gap:5px!important;height:38px!important;min-height:38px!important;max-height:38px!important;flex-basis:38px!important}
 .top:not(.worksheet-focus) .nav .nav-icon{width:22px!important;min-width:22px!important;font-size:17px!important}
}
/* v531 final mobile-menu override: keep the two-column menu crisp and touch-safe */
@media(max-width:760px){
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{opacity:1!important;visibility:visible!important;pointer-events:auto!important;filter:none!important}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{opacity:1!important;visibility:visible!important;color:#fff!important;background:linear-gradient(135deg,#245b83,#174568)!important;border:1px solid rgba(150,225,255,.45)!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 3px 10px rgba(0,0,0,.18)!important;-webkit-tap-highlight-color:rgba(255,255,255,.12)!important;touch-action:manipulation!important}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item span{opacity:1!important;color:#fff!important}
 .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-icon{opacity:1!important;filter:drop-shadow(0 1px 2px rgba(0,0,0,.35))!important}
}
/* v537 definitive mobile navigation: remove the full-screen backdrop from hit-testing. The menu toggle closes the drawer. */
/* v538 iPhone horizontal-scroll containment */
/* v539 responsive dashboard feature navigation — Android, iPhone/iPad and Windows/macOS */
.dashboard-feature-panel{margin:18px 0 22px;padding:20px;border:1px solid #dbe7f1;border-radius:24px;background:linear-gradient(145deg,#f8fcff 0%,#ffffff 55%,#f6f2ff 100%);box-shadow:0 10px 28px rgba(23,50,77,.08);overflow:hidden}
.dashboard-feature-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}
.dashboard-feature-head h2{margin:7px 0 3px;font-size:clamp(20px,2.5vw,28px);color:#17324d}
.dashboard-feature-head p{margin:0;max-width:820px;line-height:1.45}
.dashboard-feature-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;min-width:0}
.dashboard-feature-tile{appearance:none;width:100%;min-width:0;min-height:76px;padding:12px 10px;display:flex;align-items:center;justify-content:flex-start;gap:9px;border:1px solid #d7e5ef;border-radius:16px;background:#fff;color:#17324d;box-shadow:0 4px 12px rgba(23,50,77,.055);font:inherit;font-weight:850;cursor:pointer;touch-action:manipulation;text-align:left;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background .16s ease}
.dashboard-feature-tile:hover{transform:translateY(-2px);border-color:#8ebce0;box-shadow:0 8px 18px rgba(23,50,77,.10);background:#f8fcff}
.dashboard-feature-tile:active{transform:scale(.98)}
.dashboard-feature-icon{width:34px;min-width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:#eef7ff;font-size:20px;line-height:1}
.dashboard-feature-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:1.2}
.dashboard-signout-btn{margin-top:12px;min-height:46px;padding:10px 16px;border:1px solid #d7e0e8;border-radius:12px;background:#f5f7fa;color:#31465a;font:inherit;font-weight:800;cursor:pointer;touch-action:manipulation}
.dashboard-signout-btn:hover{background:#eef3f7}
@media(max-width:1200px){.dashboard-feature-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:900px){.dashboard-feature-panel{padding:16px;border-radius:20px}.dashboard-feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.dashboard-feature-tile{min-height:68px;padding:10px 9px}.dashboard-feature-icon{width:32px;min-width:32px;height:32px;font-size:19px}.dashboard-feature-label{font-size:12px}}
@media(min-width:761px){.top:not(.worksheet-focus) .topbar{padding-left:max(28px,calc((100vw - 1280px)/2 + 28px))!important;padding-right:max(28px,calc((100vw - 1280px)/2 + 28px))!important}.top:not(.worksheet-focus) .nav-core{margin-left:auto!important}.dashboard-feature-panel{display:block!important}.dashboard-menu-panel{display:block!important}.mobile-menu-toggle{display:inline-flex!important;align-items:center;justify-content:center;min-width:92px;min-height:42px;padding:8px 14px;border:1px solid rgba(255,255,255,.25);border-radius:12px;background:rgba(255,255,255,.13);color:#fff;font-size:14px;font-weight:850;cursor:pointer}.top.mobile-nav-collapsed:not(.worksheet-focus) .nav{display:none!important}.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{display:grid!important;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;max-height:72vh;overflow:auto}.top:not(.worksheet-focus) .topbar{position:relative}.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{position:absolute;top:calc(100% + 8px);right:22px;z-index:220;background:linear-gradient(145deg,#17324d,#245f91);padding:14px;border:1px solid rgba(255,255,255,.2);border-radius:16px;box-shadow:0 16px 36px rgba(8,31,52,.28);width:min(1100px,calc(100vw - 44px));max-width:calc(100vw - 44px);box-sizing:border-box}.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .nav-item{color:#fff;min-width:0;width:100%;box-sizing:border-box;min-height:46px;margin:0}.dashboard-feature-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:600px){.dashboard-feature-panel{margin:14px 0 18px;padding:13px;border-radius:18px}.dashboard-feature-head{margin-bottom:10px}.dashboard-feature-head h2{font-size:21px}.dashboard-feature-head p{font-size:12px}.dashboard-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.dashboard-feature-tile{min-height:58px;padding:8px 8px;border-radius:13px;gap:7px}.dashboard-feature-icon{width:29px;min-width:29px;height:29px;border-radius:9px;font-size:17px}.dashboard-feature-label{font-size:11.5px}.dashboard-signout-btn{width:100%;margin-top:10px}}
@media(max-width:360px){.dashboard-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.dashboard-feature-tile{min-height:54px;padding:7px 6px}.dashboard-feature-icon{width:26px;min-width:26px;height:26px;font-size:16px}.dashboard-feature-label{font-size:10.5px}}
@media(min-width:1600px){.dashboard-feature-grid{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media (min-width:761px) and (max-width:1200px){.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{grid-template-columns:repeat(4,minmax(0,1fr));}}@media (min-width:761px) and (max-width:900px){.top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{grid-template-columns:repeat(3,minmax(0,1fr));}}html,body,#app{width:100%!important;max-width:100%!important;overflow-x:hidden!important;}
html{overscroll-behavior-x:none!important;}
body{position:relative!important;left:0!important;right:0!important;}
#app{min-width:0!important;contain:layout paint!important;}
#cwsMessage{font-size:clamp(18px,1.5vw,22px);font-weight:800;line-height:1.5;color:#854d0e;background:#fff4ce;border:2px solid #e5ad37;border-left:6px solid #d88a0b;border-radius:10px;padding:12px 16px;margin:14px 0}
/* Interactive Classroom must escape the normal app paint-containment and own the viewport. */
#app:has(.interactive-classroom),#app:has(.ic-resource-modal){contain:none!important;overflow:visible!important;position:static!important}
body:has(.ic-resource-modal){overflow:hidden!important}
.ic-resource-modal.cmcq-overlay{position:fixed!important;inset:0!important;box-sizing:border-box!important;z-index:20100!important;padding:12px!important}
.ic-resource-modal .cmcq-window{box-sizing:border-box!important;min-height:0!important;max-height:calc(100dvh - 24px)!important;height:calc(100dvh - 24px)!important;overflow:hidden!important}
.ic-resource-modal .cmcq-heading{flex:0 0 auto!important}
.ic-resource-modal .cmcq-content{flex:1 1 0!important;min-height:0!important;overflow-y:auto!important;overscroll-behavior:contain}
body:has(.interactive-classroom){overflow:hidden!important}
#app:has(.interactive-classroom) .interactive-classroom{position:fixed!important;inset:0!important;width:100vw!important;height:100dvh!important;max-width:none!important;max-height:none!important;z-index:2147483000!important;box-sizing:border-box!important;isolation:isolate!important}
#app:has(.interactive-classroom) .ic-layout{width:100%!important;min-width:0!important;box-sizing:border-box!important}
/* Board-first classroom mode: teaching sidebar is optional. */
.interactive-classroom.ic-panel-hidden .ic-layout{grid-template-columns:minmax(0,1fr)!important}
.interactive-classroom.ic-panel-hidden .ic-sidebar{display:none!important}
#icPanelToggle{white-space:nowrap}
.ic-canvas-wrap.ic-bg-chalk{background:#26313b!important;background-image:none!important}
.ic-canvas-wrap.ic-bg-white{background:#fff!important;background-image:none!important}
.ic-canvas-wrap.ic-bg-grid{background-color:#fff!important;background-image:linear-gradient(#d9e3ea 1px,transparent 1px),linear-gradient(90deg,#d9e3ea 1px,transparent 1px)!important;background-size:40px 40px!important}
.ic-canvas-wrap canvas{background:transparent!important}
/* Authoritative visible board surface: apply mode to the canvas that fills the teaching area. */
.interactive-classroom[data-board-bg="chalk"] #icBoardCanvas{background:#26313b!important;background-image:none!important}
.interactive-classroom[data-board-bg="white"] #icBoardCanvas{background:#fff!important;background-image:none!important}
.interactive-classroom[data-board-bg="grid"] #icBoardCanvas{background-color:#fff!important;background-image:linear-gradient(#c9d6df 1px,transparent 1px),linear-gradient(90deg,#c9d6df 1px,transparent 1px)!important;background-size:40px 40px!important}
/* v648: one authoritative classroom layout. No JS height is required for the board to exist. */
.interactive-classroom{display:grid!important;grid-template-rows:auto minmax(0,1fr)!important;height:100dvh!important;min-height:0!important;overflow:hidden!important}
.interactive-classroom .ic-layout{display:grid!important;height:auto!important;min-height:0!important;overflow:hidden!important;align-self:stretch!important;align-items:stretch!important}
.interactive-classroom .ic-board-panel{display:flex!important;flex-direction:column!important;height:auto!important;min-height:0!important;align-self:stretch!important;overflow:hidden!important}
.interactive-classroom .ic-board-toolbar,.interactive-classroom .ic-special-tools,.interactive-classroom .ic-smart-tools,.interactive-classroom .ic-board-footer{min-height:0!important}
.interactive-classroom .ic-canvas-wrap{grid-row:auto!important;align-self:stretch!important;width:100%!important;height:auto!important;min-height:0!important;min-width:0!important;overflow:hidden!important;position:relative!important;flex:1 1 auto!important;min-height:300px!important}
.interactive-classroom #icBoardCanvas{display:block!important;position:absolute!important;inset:0!important;width:100%!important;height:100%!important;max-width:none!important;max-height:none!important;object-fit:fill!important}
.interactive-classroom.ic-panel-hidden .ic-board-panel{width:100%!important}
.interactive-classroom .ic-board-toolbar .ic-tool-active,.interactive-classroom .ic-special-panel .ic-tool-active{outline:3px solid rgba(125,211,252,.55)!important;background:#2563eb!important;color:#fff!important;box-shadow:0 0 0 1px #7dd3fc inset!important}
.interactive-classroom .ic-canvas-wrap,.interactive-classroom #icBoardCanvas{touch-action:none!important;user-select:none!important;-webkit-user-select:none!important;-webkit-touch-callout:none!important}
.interactive-classroom .ic-smart-tools{max-height:220px!important;overflow:auto!important;background:#10212d;border:1px solid #304655;border-top:0;padding:10px;color:#eaf4f8}
.lp-resource-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px;max-height:340px;overflow:auto;margin:12px 0}
.lp-resource-choice{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid #d9e3ea;border-radius:12px;background:#fff;cursor:pointer}
.lp-resource-choice.selected{border-color:#2563eb;box-shadow:0 0 0 2px rgba(37,99,235,.12);background:#eff6ff}
.lp-resource-choice input{margin-top:4px}.lp-resource-choice small{display:block;margin-top:4px;color:#607080}.lp-resource-icon{font-size:22px}
.ic-resource-teacher{border-left:4px solid #22c55e!important}
.ic-classroom-preview{margin-top:14px;max-height:58vh;overflow:auto;border-top:1px solid #d9e3ea;padding-top:12px}
.ic-preview-items{display:grid;gap:10px}.ic-preview-items .q{margin:0}.ic-preview-items ol{margin:8px 0 0 22px}
.lp-question-plan,.lp-misconception-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.lp-editor{margin:16px 0;border:2px solid #8b5cf6}.lp-edit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:12px}.lp-edit-field{display:flex;flex-direction:column;gap:6px}.lp-edit-field textarea,.lp-phase-editor textarea{width:100%;font-family:inherit;line-height:1.45}.lp-phase-editor{display:grid;grid-template-columns:1fr;gap:12px;margin:10px 0}.lp-phase-card{padding:16px!important;border:1px solid #dbe7ef;border-radius:14px;margin-bottom:4px}.lp-phase-fields{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:12px;margin-top:12px}.lp-phase-fields label{display:flex;flex-direction:column;gap:6px;font-weight:700}.lp-phase-fields input,.lp-phase-fields textarea{width:100%;box-sizing:border-box}@media(max-width:720px){.lp-phase-fields{grid-template-columns:1fr}}.lp-checklist{display:grid;gap:8px}.lp-check-item{display:flex;gap:8px;align-items:flex-start;padding:9px;border-bottom:1px solid #e7edf2}.lp-check-item small{display:block;color:#607080;margin-top:3px}.lesson-plan-result .lp-section{margin-top:18px}.lesson-plan-result .lp-flow-table td{vertical-align:top;min-width:110px}
.ic-live-mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0}.ic-live-mode-grid label{display:flex;flex-direction:column;gap:5px;padding:12px;border:1px solid #d9e3ea;border-radius:12px;cursor:pointer}.ic-live-mode-grid small{color:#607080}.ic-live-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.ic-live-stats>div{text-align:center;padding:14px;border-radius:12px;background:#f3f7fa}.ic-live-stats strong{display:block;font-size:24px}.ic-live-stats span{font-size:12px;color:#607080}@media(max-width:700px){.ic-live-mode-grid,.ic-live-stats{grid-template-columns:1fr}}
.interactive-classroom[data-board-bg="chalk"] .ic-canvas-wrap{background:#26313b!important;background-image:none!important}
.interactive-classroom[data-board-bg="white"] .ic-canvas-wrap{background:#fff!important;background-image:none!important}
.interactive-classroom[data-board-bg="grid"] .ic-canvas-wrap{background-color:#fff!important;background-image:linear-gradient(#c9d6df 1px,transparent 1px),linear-gradient(90deg,#c9d6df 1px,transparent 1px)!important;background-size:40px 40px!important}
.interactive-classroom[data-board-bg="grid"] .ic-canvas-wrap::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:1;background-image:linear-gradient(rgba(113,139,159,.32) 1px,transparent 1px),linear-gradient(90deg,rgba(113,139,159,.32) 1px,transparent 1px);background-size:40px 40px}
@media(max-width:760px){
  .top,.topbar,.shell,.grid,.hero,.card,.role-dashboard,.dash-hero,.student-hero{max-width:100%!important;min-width:0!important;}
  .top{width:100%!important;overflow-x:clip!important;}
  .topbar{width:100%!important;box-sizing:border-box!important;}
  .shell{box-sizing:border-box!important;}
  .top:not(.worksheet-focus) .mobile-nav-backdrop{display:none!important;pointer-events:none!important;visibility:hidden!important;}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav{display:grid!important;pointer-events:auto!important;visibility:visible!important;z-index:20000!important;}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .nav .mobile-nav-action{pointer-events:auto!important;touch-action:manipulation!important;position:relative!important;z-index:20001!important;}
}

/* v602 DESKTOP MENU: desktop/tablet navigation is a separate grid; mobile rules above remain untouched. */
@media(min-width:761px){
  .top:not(.worksheet-focus) .nav{
    display:grid!important;
    grid-template-columns:repeat(5,minmax(160px,1fr))!important;
    grid-auto-flow:row!important;
    grid-auto-rows:minmax(52px,auto)!important;
    gap:9px!important;
    width:min(1120px,calc(100vw - 44px))!important;
    max-width:1120px!important;
    max-height:min(72vh,560px)!important;
    overflow-y:auto!important;
    overflow-x:hidden!important;
    padding:14px!important;
    box-sizing:border-box!important;
    align-content:start!important;
    justify-content:stretch!important;
    align-items:stretch!important;
  }
  .top:not(.worksheet-focus) .nav .nav-item{
    width:100%!important;
    min-width:0!important;
    min-height:52px!important;
    height:auto!important;
    margin:0!important;
    padding:10px 12px!important;
    display:flex!important;
    align-items:center!important;
    justify-content:center!important;
    gap:8px!important;
    box-sizing:border-box!important;
    border-radius:12px!important;
    font-size:13px!important;
    white-space:nowrap!important;
    overflow:hidden!important;
  }
  .top:not(.worksheet-focus) .nav .nav-icon{
    width:24px!important;
    min-width:24px!important;
    font-size:18px!important;
    text-align:center!important;
  }
  .top:not(.worksheet-focus) .nav .nav-item>span:last-child{
    min-width:0!important;
    overflow:hidden!important;
    text-overflow:ellipsis!important;
    white-space:nowrap!important;
  }
}
@media(min-width:761px) and (max-width:1200px){
  .top:not(.worksheet-focus) .nav{
    grid-template-columns:repeat(4,minmax(135px,1fr))!important;
    width:min(900px,calc(100vw - 36px))!important;
  }
}
@media(min-width:761px) and (max-width:900px){
  .top:not(.worksheet-focus) .nav{
    grid-template-columns:repeat(3,minmax(125px,1fr))!important;
    width:min(720px,calc(100vw - 28px))!important;
  }
}

/* v609 student dashboard + global menu usability polish */
.top:not(.worksheet-focus) .topbar{box-sizing:border-box!important;gap:14px!important;}
.top:not(.worksheet-focus) .brand{flex:1 1 auto!important;min-width:0!important;overflow:hidden!important;}
.top:not(.worksheet-focus) .brand .pill{flex:0 0 auto!important;}
.top:not(.worksheet-focus) .nav-core{flex:0 0 auto!important;min-width:0!important;}
.top:not(.worksheet-focus) .mobile-menu-toggle{flex:0 0 auto!important;width:92px!important;min-width:92px!important;height:44px!important;min-height:44px!important;padding:0 12px!important;white-space:nowrap!important;}
.dashboard-feature-panel{display:block!important;}
.dashboard-feature-grid{grid-template-columns:repeat(5,minmax(0,1fr));}
.student-dashboard-hero .dashboard-strip{display:grid!important;grid-template-columns:auto minmax(180px,1fr);align-items:center;gap:12px!important;}
.student-dashboard-hero .dashboard-identity{min-width:0!important;}
.student-dashboard-hero .dashboard-quick{grid-column:1 / -1;display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px!important;width:100%;min-width:0;}
.student-dashboard-hero .dashboard-quick .btn{min-width:0!important;width:100%;white-space:normal!important;min-height:42px!important;padding:8px 10px!important;line-height:1.15!important;}
.student-dashboard-hero .dashboard-message{margin-left:64px!important;}
.dashboard-feature-tile{min-width:0!important;overflow:hidden!important;}
@media(max-width:1200px){.dashboard-feature-grid{grid-template-columns:repeat(4,minmax(0,1fr));}.student-dashboard-hero .dashboard-quick{grid-template-columns:repeat(3,minmax(0,1fr));}}
@media(max-width:900px){.dashboard-feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));}.student-dashboard-hero .dashboard-strip{grid-template-columns:auto minmax(0,1fr);}.student-dashboard-hero .dashboard-quick{grid-template-columns:repeat(2,minmax(0,1fr));}.student-dashboard-hero .dashboard-message{margin-left:0!important;}}
@media(max-width:760px){
  .top:not(.worksheet-focus) .topbar{gap:7px!important;}
  .top:not(.worksheet-focus) .mobile-menu-toggle{width:44px!important;min-width:44px!important;height:40px!important;min-height:40px!important;padding:0!important;font-size:0!important;}
  .top:not(.worksheet-focus) .mobile-menu-toggle::before{content:"☰";font-size:21px;line-height:1;}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-menu-toggle{font-size:0!important;}
  .top:not(.mobile-nav-collapsed):not(.worksheet-focus) .mobile-menu-toggle::before{content:"×";font-size:25px;}
  .dashboard-feature-panel{margin-top:12px!important;}
  .student-dashboard-hero .dashboard-strip{grid-template-columns:auto minmax(0,1fr);}
  .student-dashboard-hero .dashboard-quick{grid-template-columns:repeat(2,minmax(0,1fr));}
  .student-dashboard-hero .dashboard-message{margin-left:0!important;}
}
@media(min-width:761px) and (max-width:1100px){
  .top:not(.worksheet-focus) .brand{font-size:15px!important;}
  .top:not(.worksheet-focus) .nav-core .nav-item{padding-left:10px!important;padding-right:10px!important;font-size:12px!important;}
  .top:not(.worksheet-focus) .mobile-menu-toggle{width:84px!important;min-width:84px!important;}
}
@media(max-width:390px){.student-dashboard-hero .dashboard-quick{grid-template-columns:1fr 1fr!important;}.dashboard-feature-grid{grid-template-columns:1fr 1fr!important;}}
/* v671 — simplified global identity + one-tap dashboard */
.header-dashboard-btn{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:46px;height:44px;padding:0;border:1px solid rgba(255,255,255,.24);border-radius:13px;background:linear-gradient(135deg,rgba(255,255,255,.18),rgba(255,255,255,.08));color:#fff;font-size:27px;font-weight:900;line-height:1;cursor:pointer;box-shadow:0 3px 10px rgba(0,0,0,.10);transition:.18s ease}
.header-dashboard-btn:hover{background:rgba(255,255,255,.28);transform:translateY(-1px)}
@media(max-width:760px){
 .top:not(.worksheet-focus) .topbar{display:flex!important;flex-wrap:nowrap!important;align-items:center!important}
 .top:not(.worksheet-focus) .brand{font-size:16px!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;flex:1 1 0!important;min-width:0!important}
 .top:not(.worksheet-focus) .nav-core{display:none!important}
 .top:not(.worksheet-focus) .header-dashboard-btn{width:44px!important;min-width:44px!important;height:40px!important;border-radius:12px;font-size:25px;order:2!important}
 .top:not(.worksheet-focus) .mobile-menu-toggle{order:3!important}
}
@media(max-width:390px){.top:not(.worksheet-focus) .brand{font-size:14px!important}.top:not(.worksheet-focus) .header-dashboard-btn,.top:not(.worksheet-focus) .mobile-menu-toggle{width:40px!important;min-width:40px!important}}

/* Board immersive fallback when native full screen is unavailable */
.interactive-classroom.ic-faux-fullscreen{position:fixed!important;inset:0!important;width:100vw!important;height:100dvh!important;z-index:99999!important;margin:0!important;background:#132638!important;overflow:hidden!important}
.interactive-classroom.ic-faux-fullscreen .ic-topbar,.interactive-classroom.ic-faux-fullscreen .ic-header-restore{display:none!important}
.interactive-classroom.ic-faux-fullscreen{grid-template-rows:minmax(0,1fr)!important}
.interactive-classroom.ic-faux-fullscreen .ic-layout{grid-row:1!important;min-height:0!important}
.interactive-classroom.ic-faux-fullscreen #icResourceModal{position:absolute!important;inset:0;pointer-events:none}
.interactive-classroom.ic-faux-fullscreen #icResourceModal>*{pointer-events:auto}

/* v612 Saarthi flexible language switching */
.saarthi-auto-language-note{font-size:13px;font-weight:700;color:#64748b;margin:8px 0 12px}
.saarthi-live-language-wrap label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:#334155}
.saarthi-live-language{min-width:130px;padding:7px 10px;border-radius:9px;border:1px solid #cbd5e1;background:#fff;font-weight:700;color:#1e293b}
@media(max-width:600px){.saarthi-live-language-wrap label{width:100%;justify-content:space-between}.saarthi-live-language{flex:1;min-width:0}}
.ic-phase-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.ic-phase-item{padding:12px;border:2px solid #dce6ef;border-radius:12px;background:#f6f9fc;color:#17324d}.ic-phase-item p{font-size:14px;margin:7px 0 0;line-height:1.5}.ic-phase-current{border-color:#168563;background:#e8faf1;box-shadow:0 0 0 2px rgba(22,133,99,.12)}.ic-current-phase-label{display:block;margin-top:7px;color:#116b4f;font-weight:800;font-size:13px}.ic-current-phase-status{color:#116b4f;font-weight:800}.ic-phase-item:focus-visible{outline:3px solid #db9b37;outline-offset:2px}
/* Lesson planner resource selection: native checkbox sizing and wrapping labels. */
.lp-resource-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:10px;max-height:420px;overflow-y:auto;overflow-x:hidden;padding:4px;margin:12px 0;-webkit-overflow-scrolling:touch}
.lp-resource-picker .lp-resource-choice{display:grid;grid-template-columns:22px 30px minmax(0,1fr);gap:10px;align-items:start;min-width:0;width:100%;margin:0;padding:14px;border:1px solid #cbdde8;border-radius:12px;background:#f8fbff;cursor:pointer;line-height:1.45}
.lp-resource-picker .lp-resource-choice.selected{background:#eef9f3;border-color:#16a36b}
.lp-resource-picker .lp-resource-choice input[type=checkbox]{appearance:auto;-webkit-appearance:checkbox;flex:none;width:22px!important;min-width:22px!important;max-width:22px!important;height:22px!important;min-height:22px!important;max-height:22px!important;padding:0!important;margin:2px 0 0!important;accent-color:#16a36b;border-radius:3px;box-shadow:none}
.lp-resource-picker .lp-resource-icon{font-size:24px;line-height:1.3}
.lp-resource-picker .lp-resource-choice>span:last-child{min-width:0;white-space:normal;overflow-wrap:anywhere}
.lp-resource-picker .lp-resource-choice b{display:block;line-height:1.4}
.lp-resource-picker .lp-resource-choice small{display:block;color:#64748b;margin-top:5px;font-weight:500;line-height:1.5}
#lpSelectedResourceSummary{overflow-wrap:anywhere;margin:10px 0 16px}
.lp-own-resources .row{display:flex;flex-wrap:wrap;gap:10px}
.lp-own-resources #lpResourceSearch{flex:1 1 200px;min-width:0;width:auto}
.lp-own-resources .row>.btn{flex:0 0 auto}
@media(max-width:700px){.lp-resource-picker{grid-template-columns:minmax(0,1fr);max-height:400px}.lp-resource-picker .lp-resource-choice{padding:12px;gap:8px;font-size:16px}.lp-history-item{min-width:0;overflow-wrap:anywhere}.lp-history-item .row{flex-wrap:wrap}.lp-edit-grid,.lp-question-plan,.lp-misconception-grid{grid-template-columns:minmax(0,1fr)}#lpGenerateBtn{max-width:100%;white-space:normal}}
/* Saved resource sharing must use the viewport, not the contained dashboard height. */
#app:has(.content-share-overlay){contain:none!important}
.content-share-overlay{z-index:2147483640;box-sizing:border-box;height:100dvh;overflow:auto;overscroll-behavior:contain}
.content-share-modal{box-sizing:border-box;max-height:calc(100dvh - 36px);margin:0;flex-shrink:0;transform:none!important}