:root{--bg:#f5f7fb;--panel:#fff;--ink:#101828;--muted:#667085;--line:#e4e7ec;--brand:#5b5ce2;--brand2:#7c5cff;--dark:#101828;--shadow:0 12px 32px rgba(16,24,40,.08);--shadow-sm:0 3px 12px rgba(16,24,40,.08)}
html,body.edulive-blank-body{margin:0!important;padding:0!important;background:var(--bg)!important}body.edulive-blank-body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink)}body.edulive-blank-body *{box-sizing:border-box}button,input{font:inherit}
.edu-app{max-width:1220px;margin:0 auto;padding:30px 22px}.edu-app-head{display:flex;justify-content:space-between;gap:20px}.edu-app-head h1{margin:4px 0}.edu-app-head p{margin:0;color:var(--muted)}.edu-kicker{font-size:12px;font-weight:900;letter-spacing:.12em;color:var(--brand)}.edu-btn{display:inline-flex;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);text-decoration:none;font-weight:750}.edu-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.edu-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}.edu-stats>div,.edu-section{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.edu-stats span{display:block;color:var(--muted);font-size:12px}.edu-stats strong{display:block;font-size:28px;margin-top:4px}.edu-lessons{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.edu-lesson{border:1px solid var(--line);border-radius:14px;padding:16px}.edu-card-actions,.edu-head-buttons,.edu-meta{display:flex;gap:8px;flex-wrap:wrap}.edu-meta{color:var(--muted);font-size:12px}.edu-pill{display:inline-flex;border-radius:999px;padding:5px 8px;background:#eef2ff;color:#3538cd;font-size:10px;font-weight:850}.edu-live{background:#fee4e2;color:#b42318}.edu-completed{background:#dcfae6;color:#067647}.edu-login-card{max-width:520px;margin:90px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;text-align:center}

.edu-studio{height:100vh;display:flex;flex-direction:column;background:#edf1f7;overflow:hidden}.edu-studio-topbar{height:72px;flex:0 0 72px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #e8ecf3;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 18px;z-index:30}.edu-top-left,.edu-top-actions,.edu-top-center{display:flex;align-items:center;gap:12px;min-width:0}.edu-top-actions{justify-content:flex-end}.edu-top-center{justify-content:center}.edu-icon-btn{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#344054;display:grid;place-items:center;cursor:pointer;font-weight:800}.edu-icon-btn:hover{background:#f9fafb}.edu-brand-lockup{display:flex;align-items:center;gap:9px}.edu-brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:950;box-shadow:0 6px 14px rgba(91,92,226,.25)}.edu-brand-lockup strong,.edu-brand-lockup small{display:block}.edu-brand-lockup strong{font-size:13px}.edu-brand-lockup small{font-size:10px;color:var(--muted)}.edu-top-separator{width:1px;height:30px;background:var(--line)}.edu-lesson-identity{min-width:0}.edu-lesson-identity strong,.edu-lesson-identity span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.edu-lesson-identity strong{font-size:13px}.edu-lesson-identity span{font-size:10px;color:var(--muted);margin-top:2px}.edu-connect-pill,.edu-status-pill,.edu-session-clock{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 9px;font-size:10px;font-weight:850}.edu-connect-pill{background:#fff7ed;color:#b54708}.edu-connect-pill.ok{background:#ecfdf3;color:#027a48}.edu-status-pill{background:#f2f4f7}.edu-status-pill.edu-live{background:#fff1f0;color:#b42318}.edu-session-clock{font-size:12px;background:#f8fafc;color:#344054}.edu-live-dot{width:7px;height:7px;border-radius:50%;background:#f04438;box-shadow:0 0 0 4px rgba(240,68,56,.12)}.edu-leave-btn{border:0;border-radius:10px;background:#101828;color:#fff;padding:10px 14px;font-weight:800;cursor:pointer}

.edu-studio-shell{flex:1;min-height:0;display:grid;grid-template-columns:264px minmax(0,1fr) 320px;gap:10px;padding:10px}.edu-left-rail,.edu-right-panel{background:#fff;border:1px solid #e4e7ec;border-radius:16px;box-shadow:var(--shadow-sm);min-height:0}.edu-left-rail{display:flex;flex-direction:column;padding:12px;overflow:auto}.edu-rail-heading{display:flex;justify-content:space-between;align-items:center;color:#98a2b3;font-size:9px;font-weight:900;letter-spacing:.12em;margin:2px 2px 10px}.edu-mini-count{background:#f2f4f7;color:#475467;border-radius:999px;padding:3px 6px;letter-spacing:0}
.edu-premium-video{position:relative;background:linear-gradient(160deg,#111827,#1f2937);border-radius:14px;overflow:hidden;min-height:150px;aspect-ratio:16/10;margin-bottom:10px;box-shadow:0 10px 20px rgba(15,23,42,.12)}.edu-premium-video video{width:100%;height:100%;object-fit:cover;display:block}#eduLocalMedia video{transform:scaleX(-1)}#eduRemoteMedia video{transform:none}.edu-video-placeholder{height:100%;min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff}.edu-avatar-xl{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,#5b5ce2,#8b5cf6);display:grid;place-items:center;font-size:22px;font-weight:900;margin-bottom:9px}.edu-video-placeholder strong{font-size:13px}.edu-video-placeholder span{font-size:10px;color:#98a2b3}.edu-video-name,.edu-participant-name{position:absolute;left:8px;bottom:8px;background:rgba(15,23,42,.7);color:#fff;border-radius:7px;padding:4px 7px;font-size:9px;font-weight:800}.edu-mic-state{color:#32d583}.edu-call-dock{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:auto}.edu-call-btn{border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 3px;color:#475467;cursor:pointer}.edu-call-btn .edu-call-icon,.edu-call-btn small{display:block}.edu-call-btn .edu-call-icon{font-size:17px}.edu-call-btn small{font-size:9px;margin-top:3px}.edu-call-btn.on{background:#eef2ff;border-color:#c7d7fe;color:#3538cd}.edu-call-btn.muted{background:#fff1f0;color:#b42318}.edu-network-card{margin-top:9px;border:1px solid #e8ecf3;background:#f8fafc;border-radius:11px;padding:9px}.edu-network-card>div{display:flex;align-items:center;gap:6px}.edu-network-card strong{font-size:10px}.edu-network-card p{font-size:9px;color:#98a2b3;margin:4px 0 0}.edu-network-dot{width:7px;height:7px;border-radius:50%;background:#12b76a}

.edu-stage{display:flex;flex-direction:column;min-width:0;min-height:0}.edu-stage-head{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 8px}.edu-mode-switcher{display:flex;gap:5px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px;box-shadow:var(--shadow-sm)}.edu-mode{border:0;background:transparent;border-radius:8px;padding:7px 11px;color:#667085;font-size:10px;font-weight:800;cursor:pointer}.edu-mode.active{background:#101828;color:#fff;box-shadow:0 4px 10px rgba(16,24,40,.16)}.edu-mode:disabled{opacity:.55}.edu-board-context{display:flex;align-items:center;gap:10px;color:#667085;font-size:10px}.edu-board-context>span:first-child{font-weight:800;color:#344054}.edu-save-state{background:#ecfdf3;color:#027a48;padding:4px 7px;border-radius:999px}
.edu-board-frame{position:relative;flex:1;min-height:0;background:#fff;border:1px solid #e4e7ec;border-radius:18px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}.edu-floating-tools{position:absolute;left:50%;top:14px;transform:translateX(-50%);z-index:12;display:flex;align-items:center;gap:4px;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border:1px solid #e4e7ec;border-radius:14px;padding:5px;box-shadow:0 12px 30px rgba(16,24,40,.12)}.edu-floating-tools button{border:0;background:transparent;border-radius:9px;min-width:38px;height:38px;color:#475467;font-weight:900;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center}.edu-floating-tools button small{font-size:7px;font-weight:750;margin-top:2px;color:#98a2b3}.edu-floating-tools button.active{background:#101828;color:#fff}.edu-floating-tools button.active small{color:#d0d5dd}.edu-tool-divider{width:1px;height:24px;background:#e4e7ec}.edu-color-button{position:relative;width:30px;height:30px;border-radius:8px;background:#f2f4f7;display:grid;place-items:center;overflow:hidden}.edu-color-button input{position:absolute;opacity:0;width:100%;height:100%}.edu-color-button span{width:17px;height:17px;border-radius:50%;background:#111827;box-shadow:inset 0 0 0 2px #fff,0 0 0 1px #d0d5dd}.edu-width-slider{width:70px}
.edu-board-wrap{position:relative;flex:1;min-height:0}.edu-board-wrap canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}.edu-bg-dots{background-image:radial-gradient(#d0d5dd .8px,transparent .8px);background-size:22px 22px}.edu-bg-grid{background-image:linear-gradient(#eaecf0 1px,transparent 1px),linear-gradient(90deg,#eaecf0 1px,transparent 1px);background-size:28px 28px}.edu-bg-lines{background-image:linear-gradient(#eaecf0 1px,transparent 1px);background-size:100% 30px}.edu-bg-plain{background:#fff}.edu-mode-banner{position:absolute;left:50%;bottom:64px;transform:translateX(-50%);z-index:10;background:rgba(16,24,40,.94);color:#fff;border-radius:999px;padding:9px 16px;font-size:10px;font-weight:900}.edu-mode-banner:empty{display:none}.edu-mode-banner.mode-solve{background:#7f56d9}.edu-mode-banner.mode-quiz{background:#f79009}
.edu-board-bottom{height:50px;display:flex;justify-content:space-between;align-items:center;padding:0 10px;border-top:1px solid #edf0f5}.edu-page-controls,.edu-history-controls{display:flex;align-items:center;gap:5px}.edu-board-bottom button,.edu-page-tabs button{border:1px solid var(--line);background:#fff;border-radius:8px;height:31px;min-width:31px;padding:0 9px;color:#475467;font-size:10px;font-weight:800;cursor:pointer}.edu-page-tabs{display:flex;gap:4px}.edu-page-tabs button.active{background:#eef2ff;border-color:#c7d7fe;color:#3538cd}.edu-history-controls .danger-soft{color:#b42318}.edu-save-btn{background:#101828!important;color:#fff!important;border-color:#101828!important}

.edu-right-panel{display:flex;flex-direction:column;overflow:hidden}.edu-panel-tabs{height:50px;display:grid;grid-template-columns:repeat(5,1fr);gap:3px;padding:6px;border-bottom:1px solid #edf0f5}.edu-panel-tabs button{border:0;background:transparent;border-radius:8px;color:#98a2b3;font-size:9px;font-weight:850;cursor:pointer}.edu-panel-tabs button.active{background:#f2f4f7;color:#344054}.edu-panel-body{flex:1;min-height:0;overflow:hidden}.edu-panel-view{display:none;height:100%;padding:14px}.edu-panel-view.active{display:flex;flex-direction:column}.edu-panel-title{display:flex;justify-content:space-between;margin-bottom:12px}.edu-panel-title strong,.edu-panel-title span{display:block}.edu-panel-title strong{font-size:13px}.edu-panel-title div>span{font-size:9px;color:#98a2b3}.edu-online-badge{background:#ecfdf3;color:#027a48;border-radius:999px;padding:4px 6px;font-size:8px!important;font-weight:900}
.edu-chat-stream{flex:1;overflow:auto;background:#f8fafc;border:1px solid #edf0f5;border-radius:12px;padding:10px}.edu-system-message{font-size:9px;color:#98a2b3;text-align:center;padding:8px}.edu-chat-bubble{margin-bottom:10px;max-width:88%}.edu-chat-bubble.mine{margin-left:auto}.edu-chat-meta{font-size:8px;color:#98a2b3;margin-bottom:3px}.edu-chat-text{background:#fff;border:1px solid #e4e7ec;border-radius:10px;padding:8px 9px;font-size:10px}.edu-chat-bubble.mine .edu-chat-text{background:#eef2ff;border-color:#c7d7fe}.edu-chat-compose{display:grid;grid-template-columns:1fr 38px;gap:6px;margin-top:8px}.edu-chat-compose input{border:1px solid #d0d5dd;border-radius:10px;padding:9px 10px;font-size:10px}.edu-chat-compose button{border:0;border-radius:10px;background:var(--brand);color:#fff}
.edu-people-count{background:#f2f4f7;color:#475467;border-radius:999px;padding:4px 7px;font-size:9px!important}.edu-people-list{display:flex;flex-direction:column;gap:7px}.edu-person-row{display:grid;grid-template-columns:34px 1fr 10px;gap:9px;align-items:center;border:1px solid #edf0f5;border-radius:11px;padding:8px}.edu-person-avatar{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#5b5ce2,#8b5cf6);color:#fff;display:grid;place-items:center;font-weight:900}.edu-person-row strong{font-size:10px}.edu-person-row div>span{font-size:8px;color:#98a2b3}.edu-person-live{width:7px;height:7px;border-radius:50%;background:#12b76a}.edu-wide-soft-btn{margin-top:auto;border:1px solid #d0d5dd;background:#fff;border-radius:10px;padding:9px;font-size:10px;font-weight:800}
.edu-quiz-card{background:#f8fafc;border:1px solid #edf0f5;border-radius:12px;padding:12px}.edu-question{font-size:12px;font-weight:800}.edu-quiz-options{display:flex;flex-direction:column;gap:7px}.edu-quiz-options button{display:grid;grid-template-columns:26px 1fr;gap:8px;border:1px solid #e4e7ec;background:#fff;border-radius:10px;padding:8px;text-align:left}.edu-quiz-options button strong{width:26px;height:26px;border-radius:8px;background:#f2f4f7;display:grid;place-items:center}.edu-quiz-options button span{font-size:10px}.edu-quiz-options button.correct{border-color:#75e0a7;background:#ecfdf3}.edu-quiz-options button.wrong{border-color:#fda29b;background:#fff1f0}#eduQuizResult{margin-top:9px;font-size:10px;font-weight:850}.edu-empty-panel{margin:auto;text-align:center;color:#98a2b3}.edu-empty-panel>span{font-size:30px}.edu-empty-panel strong{display:block;color:#475467}.edu-lesson-panel-card{background:linear-gradient(145deg,#101828,#1d2939);color:#fff;border-radius:14px;padding:14px}.edu-subject-chip{display:inline-flex;background:rgba(255,255,255,.12);border-radius:999px;padding:4px 7px;font-size:8px}.edu-lesson-panel-card h3{font-size:14px}.edu-detail-row{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);padding:7px 0;font-size:9px}.edu-detail-row span{color:#98a2b3}.edu-resource-card{display:grid;grid-template-columns:38px 1fr 20px;align-items:center;gap:8px;border:1px solid #e4e7ec;border-radius:12px;padding:10px;margin-top:10px;text-decoration:none;color:var(--ink)}.edu-resource-icon{width:38px;height:38px;border-radius:10px;background:#fff4ed;display:grid;place-items:center}.edu-resource-card strong,.edu-resource-card small{display:block}.edu-resource-card strong{font-size:10px}.edu-resource-card small{font-size:8px;color:#98a2b3}.edu-shortcuts{margin-top:14px}.edu-shortcuts>strong{font-size:9px;color:#667085}.edu-shortcuts>div{display:flex;justify-content:space-between;padding:5px 0;font-size:9px}.edu-shortcuts kbd{background:#f2f4f7;border:1px solid #e4e7ec;border-radius:5px;padding:2px 5px}

.edu-resource-drawer{position:fixed;right:-760px;top:72px;bottom:0;width:min(720px,80vw);z-index:50;background:#fff;border-left:1px solid #e4e7ec;box-shadow:-18px 0 40px rgba(16,24,40,.14);transition:right .28s;display:flex;flex-direction:column}.edu-resource-drawer.open{right:0}.edu-resource-drawer-head{height:58px;border-bottom:1px solid #e4e7ec;display:flex;align-items:center;justify-content:space-between;padding:0 14px}.edu-resource-drawer-head strong,.edu-resource-drawer-head span{display:block}.edu-resource-drawer-head strong{font-size:12px}.edu-resource-drawer-head span{font-size:9px;color:#98a2b3}.edu-resource-drawer-head>div:last-child{display:flex;gap:7px}.edu-resource-drawer-head a,.edu-resource-drawer-head button{border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:6px 9px;text-decoration:none;color:#344054;font-size:9px}.edu-resource-drawer-body{flex:1}.edu-resource-drawer iframe{width:100%;height:100%;border:0}
.edu-toast-stack{position:fixed;right:18px;top:86px;z-index:100;display:flex;flex-direction:column;gap:8px}.edu-toast{width:280px;background:#fff;border:1px solid #e4e7ec;border-radius:12px;padding:11px 13px;box-shadow:0 16px 38px rgba(16,24,40,.18);transform:translateX(20px);opacity:0;transition:.2s}.edu-toast.show{transform:none;opacity:1}.edu-toast strong,.edu-toast span{display:block}.edu-toast strong{font-size:10px}.edu-toast span{font-size:9px;color:#667085}.edu-toast.success{border-left:4px solid #12b76a}.edu-toast.warning{border-left:4px solid #f79009}.edu-toast.reaction{border-left:4px solid #7f56d9}.edu-reaction-float{position:fixed;left:50%;top:50%;z-index:120;font-size:64px;animation:eduFloat 2.2s ease-out forwards}@keyframes eduFloat{0%{transform:translate(-50%,20px) scale(.6);opacity:0}20%{opacity:1;transform:translate(-50%,0) scale(1.1)}100%{transform:translate(-50%,-140px) scale(.8);opacity:0}}

body.edu-right-hidden .edu-studio-shell{grid-template-columns:264px minmax(0,1fr)}body.edu-right-hidden .edu-right-panel{display:none}body.edu-focus-mode .edu-studio-shell{grid-template-columns:minmax(0,1fr);padding:8px}body.edu-focus-mode .edu-left-rail,body.edu-focus-mode .edu-right-panel{display:none}
@media(max-width:1180px){.edu-studio-shell{grid-template-columns:220px minmax(0,1fr) 280px}.edu-floating-tools button{min-width:34px}.edu-floating-tools button small{display:none}}
@media(max-width:980px){.edu-studio-shell{grid-template-columns:210px minmax(0,1fr)}.edu-right-panel{display:none}.edu-studio-topbar{grid-template-columns:1fr auto}.edu-top-center{display:none}.edu-floating-tools{max-width:88%;overflow-x:auto}}
@media(max-width:720px){.edu-studio-topbar{height:62px;flex-basis:62px;padding:0 9px}.edu-brand-lockup div,.edu-top-separator,.edu-lesson-identity{display:none}.edu-studio-shell{grid-template-columns:1fr;padding:6px}.edu-left-rail{position:fixed;left:8px;right:8px;bottom:8px;height:116px;z-index:40;display:grid;grid-template-columns:96px 1fr;background:rgba(255,255,255,.96);padding:7px}.edu-rail-heading,.edu-network-card,.edu-remote-stack{display:none}.edu-premium-video{min-height:88px;margin:0}.edu-video-placeholder{min-height:88px}.edu-call-dock{margin:0;padding-left:7px}.edu-stage{padding-bottom:124px}.edu-stage-head{height:44px}.edu-floating-tools{top:7px}.edu-top-actions .edu-icon-btn:nth-child(2),.edu-top-actions .edu-icon-btn:nth-child(3){display:none}}


/* v0.9 Physics Pro */
.edu-physics-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.edu-physics-grid button{border:1px solid #e4e7ec;background:#fff;border-radius:12px;padding:11px 8px;text-align:left;cursor:pointer;transition:.15s}
.edu-physics-grid button:hover{border-color:#b9b9f7;background:#f8f7ff;transform:translateY(-1px)}
.edu-physics-grid button>span{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:#eef2ff;color:#4e5ba6;font-size:18px;margin-bottom:8px}
.edu-physics-grid strong,.edu-physics-grid small{display:block}.edu-physics-grid strong{font-size:10px}.edu-physics-grid small{font-size:8px;color:#98a2b3;margin-top:2px}
.edu-physics-section{border-top:1px solid #edf0f5;margin-top:14px;padding-top:12px}.edu-physics-section>strong{display:block;font-size:9px;color:#667085;margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em}
.edu-formula-list{display:grid;grid-template-columns:1fr 1fr;gap:6px}.edu-formula-list button{border:1px solid #e4e7ec;background:#f8fafc;border-radius:8px;padding:8px 6px;font-family:Georgia,serif;font-size:10px;cursor:pointer}.edu-formula-list button:hover{background:#eef2ff;border-color:#c7d7fe}
.edu-mini-timer{display:flex;gap:6px}.edu-mini-timer button{flex:1;border:1px solid #e4e7ec;background:#fff;border-radius:8px;padding:7px;font-size:9px;font-weight:800;cursor:pointer}
.edu-countdown{margin-top:8px;background:#101828;color:#fff;border-radius:12px;padding:12px;text-align:center;font-size:25px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:.06em}.edu-countdown.running{background:linear-gradient(135deg,#5b5ce2,#7f56d9)}
.edu-physics-tip{margin-top:auto;background:#fffaeb;border:1px solid #fedf89;border-radius:11px;padding:10px}.edu-physics-tip strong{font-size:9px;color:#93370d}.edu-physics-tip p{font-size:8px;line-height:1.5;color:#b54708;margin:4px 0 0}
.edu-board-locked:after{content:"VIEW ONLY • Teacher controls the board";position:absolute;left:50%;bottom:66px;transform:translateX(-50%);z-index:15;background:rgba(16,24,40,.88);color:#fff;border-radius:999px;padding:7px 12px;font-size:9px;font-weight:900;pointer-events:none}
.edu-board-locked .edu-floating-tools{opacity:.48}
.edu-board-locked .edu-board-wrap canvas{cursor:not-allowed!important}


/* ========================= EduLive v1.0 Ultimate ========================= */
.edu-lang-toggle{height:38px;min-width:42px;border:1px solid #d0d5dd;background:#fff;border-radius:10px;font-size:10px;font-weight:950;color:#344054;cursor:pointer}
.edu-follow-toggle{height:38px;border:1px solid #d0d5dd;background:#fff;border-radius:10px;padding:0 10px;font-size:9px;font-weight:850;color:#667085;cursor:pointer}.edu-follow-toggle.on{background:#eef2ff;border-color:#c7d7fe;color:#3538cd}
.edu-floating-tools button{min-width:43px;height:42px}.edu-floating-tools button small{font-size:8px}
.edu-board-wrap{isolation:isolate}.edu-pdf-canvas{position:absolute!important;inset:0;width:100%!important;height:100%!important;z-index:1;pointer-events:none}.edu-board-wrap #eduWhiteboard{position:absolute;inset:0;z-index:2}.edu-laser-layer{position:absolute;inset:0;z-index:8;pointer-events:none}.edu-laser-dot{position:absolute;transform:translate(-50%,-50%);opacity:0;transition:opacity .12s}.edu-laser-dot.visible{opacity:1}.edu-laser-dot>span{display:block;width:15px;height:15px;border-radius:50%;background:#f04438;box-shadow:0 0 0 7px rgba(240,68,56,.18),0 0 20px rgba(240,68,56,.6)}.edu-laser-dot small{position:absolute;left:15px;top:-5px;white-space:nowrap;background:#101828;color:#fff;border-radius:6px;padding:3px 5px;font-size:8px}
.edu-pdf-controls{display:none;position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:11;align-items:center;gap:6px;background:rgba(16,24,40,.9);color:#fff;border-radius:999px;padding:5px 7px;font-size:9px}.edu-pdf-controls.visible{display:flex}.edu-pdf-controls button{width:27px;height:27px;border:0;background:rgba(255,255,255,.12);color:#fff;border-radius:50%;cursor:pointer}
.edu-attendance-summary{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:10px}.edu-attendance-summary>div{background:#f8fafc;border:1px solid #edf0f5;border-radius:10px;padding:8px}.edu-attendance-summary strong,.edu-attendance-summary span{display:block}.edu-attendance-summary strong{font-size:16px}.edu-attendance-summary span{font-size:8px;color:#98a2b3}
.edu-person-row{grid-template-columns:34px minmax(0,1fr) auto}.edu-person-duration{display:block!important;font-size:7px!important;color:#667085!important;margin-top:3px!important}.edu-teacher-actions{display:flex;gap:3px}.edu-teacher-actions button{width:25px;height:25px;border:1px solid #e4e7ec;background:#fff;border-radius:7px;font-size:10px;cursor:pointer}.edu-teacher-actions button:hover{background:#eef2ff;border-color:#c7d7fe}
.edu-physics-library{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.edu-physics-library button{border:1px solid #e4e7ec;background:#fff;border-radius:9px;padding:8px 4px;font-size:14px;cursor:pointer}.edu-physics-library button span{display:block;font-size:7px;color:#667085;margin-top:3px}.edu-physics-library button:hover{background:#eef2ff;border-color:#c7d7fe}
.edu-smart-scaffold{background:#f8f7ff;border:1px solid #e9d7fe!important;border-radius:12px;padding:10px}.edu-smart-scaffold>p{font-size:8px;color:#667085;line-height:1.45}.edu-smart-scaffold textarea{width:100%;resize:vertical;border:1px solid #d0d5dd;border-radius:9px;padding:8px;font-size:9px;outline:none}.edu-smart-scaffold textarea:focus{border-color:#9b8afb;box-shadow:0 0 0 3px rgba(91,92,226,.08)}.edu-smart-scaffold>button{width:100%;margin-top:7px;border:0;background:linear-gradient(135deg,#5b5ce2,#7f56d9);color:#fff;border-radius:9px;padding:9px;font-size:9px;font-weight:900;cursor:pointer}.edu-smart-scaffold>small{display:block;margin-top:6px;font-size:7px;color:#98a2b3}
.edu-lesson-subsection{margin-top:14px;border-top:1px solid #edf0f5;padding-top:11px}.edu-subsection-head{display:flex;justify-content:space-between;align-items:center}.edu-subsection-head strong{font-size:9px}.edu-subsection-head span{font-size:7px;color:#98a2b3}
.edu-timeline{display:flex;flex-direction:column;gap:6px;margin-top:8px;max-height:170px;overflow:auto}.edu-timeline-row{display:grid;grid-template-columns:24px 1fr;gap:7px;align-items:center}.edu-timeline-icon{width:24px;height:24px;border-radius:8px;background:#f2f4f7;display:grid;place-items:center;font-size:9px}.edu-timeline-row strong,.edu-timeline-row small{display:block}.edu-timeline-row strong{font-size:8px}.edu-timeline-row small{font-size:7px;color:#98a2b3}.edu-empty-mini{font-size:9px;color:#98a2b3;padding:8px;text-align:center}
.edu-snapshot-list{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}.edu-snapshot-card{border:1px solid #e4e7ec;border-radius:9px;overflow:hidden;text-decoration:none;color:#101828;background:#fff}.edu-snapshot-card img{display:block;width:100%;height:70px;object-fit:cover;background:#f2f4f7}.edu-snapshot-card div{padding:6px}.edu-snapshot-card strong,.edu-snapshot-card small{display:block}.edu-snapshot-card strong{font-size:7px}.edu-snapshot-card small{font-size:6px;color:#98a2b3}
body.edu-solo .edu-studio-shell{grid-template-columns:190px minmax(0,1fr) 320px}body.edu-solo .edu-premium-video{min-height:105px}body.edu-solo .edu-network-card p{display:none}
@media(max-width:1180px){body.edu-solo .edu-studio-shell{grid-template-columns:175px minmax(0,1fr) 270px}.edu-physics-library{grid-template-columns:1fr 1fr}}
@media(max-width:980px){body.edu-solo .edu-studio-shell{grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:720px){.edu-lang-toggle{height:34px}.edu-follow-toggle{height:34px;padding:0 7px}.edu-follow-toggle span{display:none}.edu-pdf-controls{bottom:58px}}


/* ================= v1.1 STEM + Πανελλήνιες ================= */
.edu-stem-title{margin-bottom:8px}.edu-stem-subject-switch{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;background:#f2f4f7;border-radius:11px;padding:4px;margin-bottom:10px}.edu-stem-subject-switch button{border:0;background:transparent;border-radius:8px;padding:8px 3px;font-size:9px;font-weight:850;color:#667085;cursor:pointer}.edu-stem-subject-switch button.active{background:#fff;color:#3538cd;box-shadow:0 2px 7px rgba(16,24,40,.08)}.edu-stem-subject-switch button span{display:block;margin-top:2px}
.edu-stem-pane{display:none}.edu-stem-pane.active{display:block}.edu-stem-tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.edu-stem-tool-grid button{border:1px solid #e4e7ec;background:#fff;border-radius:11px;padding:9px 8px;text-align:left;cursor:pointer;transition:.15s}.edu-stem-tool-grid button:hover{background:#f8f7ff;border-color:#c7d7fe;transform:translateY(-1px)}.edu-stem-tool-grid button>span{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:#eef2ff;color:#4e5ba6;font-size:15px;margin-bottom:5px}.edu-stem-tool-grid strong,.edu-stem-tool-grid small{display:block}.edu-stem-tool-grid strong{font-size:9px}.edu-stem-tool-grid small{font-size:7px;color:#98a2b3;margin-top:2px}.edu-stem-section{border-top:1px solid #edf0f5;margin-top:12px;padding-top:10px}.edu-stem-section>strong,.edu-smart-head>strong{display:block;font-size:8px;color:#667085;text-transform:uppercase;letter-spacing:.05em;margin-bottom:7px}.edu-formula-list-wide{grid-template-columns:1fr 1fr}.edu-graph-box>div{display:grid;grid-template-columns:1fr 48px;gap:5px}.edu-graph-box input{min-width:0;border:1px solid #d0d5dd;border-radius:8px;padding:7px;font-size:9px}.edu-graph-box button{border:0;border-radius:8px;background:#101828;color:#fff;font-size:9px;font-weight:850}.edu-graph-box small{display:block;margin-top:5px;color:#98a2b3;font-size:7px}.edu-periodic-mini{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.edu-periodic-mini button{position:relative;border:1px solid #e4e7ec;background:#f8fafc;border-radius:8px;height:42px;font-size:13px;font-weight:900;color:#344054;cursor:pointer}.edu-periodic-mini button:hover{background:#ecfdf3;border-color:#75e0a7}.edu-periodic-mini small{position:absolute;left:4px;top:3px;font-size:6px;color:#98a2b3}.edu-smart-stem{margin-top:12px}.edu-smart-head{display:flex;justify-content:space-between;align-items:center;gap:6px}.edu-smart-head select{border:1px solid #d0d5dd;border-radius:7px;background:#fff;padding:5px;font-size:8px}.edu-exam-prep{background:#fffcf5;border:1px solid #fedf89!important;border-radius:11px;padding:9px}.edu-grade-pill{background:#fff4e5;color:#b54708;border-radius:999px;padding:4px 7px;font-size:7px;font-weight:900}.edu-wide-action{width:100%;border:0;border-radius:9px;background:#101828;color:#fff;padding:9px;font-size:9px;font-weight:900;cursor:pointer}.edu-exam-timers{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-top:6px}.edu-exam-timers button{border:1px solid #fedf89;background:#fff;border-radius:7px;padding:6px;font-size:8px;font-weight:850;cursor:pointer}.edu-exam-countdown{font-size:20px;margin-top:6px;padding:8px}.edu-exam-countdown.running{background:linear-gradient(135deg,#f79009,#dc6803)}
@media(min-width:1450px){.edu-stem-tool-grid{grid-template-columns:repeat(2,1fr)}}


/* ================= EduLive v1.2 Curriculum Search ================= */
.edu-toast-stack,.edu-toast{display:none!important}
.edu-inline-status{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:8px;font-weight:800;color:#667085;opacity:0;transform:translateY(2px);transition:.18s}.edu-inline-status.show{opacity:1;transform:none}.edu-inline-status.success{color:#027a48}.edu-inline-status.warning{color:#b54708}.edu-inline-status.reaction{color:#6941c6}
.edu-curriculum-search{background:#fbfcfe;border:1px solid #e4e7ec;border-radius:13px;padding:9px;margin-bottom:11px}.edu-curriculum-searchbox{display:grid;grid-template-columns:22px 1fr 26px;align-items:center;border:1px solid #d0d5dd;background:#fff;border-radius:10px;padding:0 5px;box-shadow:0 1px 2px rgba(16,24,40,.03)}.edu-curriculum-searchbox>span{color:#98a2b3;text-align:center;font-size:15px}.edu-curriculum-searchbox input{width:100%;min-width:0;border:0!important;outline:0!important;box-shadow:none!important;padding:9px 5px;font-size:9px;background:transparent}.edu-curriculum-searchbox button{border:0;background:transparent;color:#98a2b3;font-size:16px;cursor:pointer}.edu-curriculum-filters{display:flex;justify-content:space-between;gap:7px;align-items:center;margin-top:7px}.edu-grade-switch{display:flex;gap:4px}.edu-grade-switch button{border:1px solid #e4e7ec;background:#fff;border-radius:999px;padding:5px 8px;font-size:8px;font-weight:850;color:#667085;cursor:pointer}.edu-grade-switch button.active{background:#101828;border-color:#101828;color:#fff}.edu-curriculum-filters select{border:1px solid #e4e7ec;background:#fff;border-radius:8px;padding:5px 6px;font-size:8px;color:#475467}.edu-library-meta{display:flex;align-items:baseline;gap:3px;margin:8px 2px 5px;color:#98a2b3;font-size:7px}.edu-library-meta strong{font-size:9px;color:#344054}.edu-library-results{display:flex;flex-direction:column;gap:5px;max-height:300px;overflow:auto;padding-right:2px;scrollbar-width:thin}.edu-library-card{width:100%;display:grid;grid-template-columns:31px minmax(0,1fr) 22px;gap:7px;align-items:center;border:1px solid #e8ecf3;background:#fff;border-radius:10px;padding:7px;text-align:left;cursor:pointer;transition:.13s}.edu-library-card:hover{border-color:#c7d7fe;background:#f8f9ff;transform:translateY(-1px)}.edu-lib-icon{width:31px;height:31px;display:grid;place-items:center;border-radius:8px;background:#eef2ff;color:#4e5ba6;font-size:14px;font-weight:950}.edu-lib-copy{min-width:0}.edu-lib-top{display:flex;justify-content:space-between;gap:7px;align-items:center}.edu-lib-top strong{font-size:8px;color:#344054;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.edu-lib-top small{font-size:6px;color:#98a2b3;white-space:nowrap}.edu-library-card code{display:block;margin-top:3px;font-family:Georgia,'Times New Roman',serif;font-size:10px;color:#101828;white-space:normal;line-height:1.25}.edu-library-card em{display:block;margin-top:3px;font-style:normal;font-size:6px;color:#98a2b3}.edu-lib-action{width:21px;height:21px;border-radius:7px;background:#f2f4f7;display:grid;place-items:center;color:#475467;font-weight:900}.edu-library-empty{padding:16px;text-align:center;border:1px dashed #d0d5dd;border-radius:10px;color:#98a2b3}.edu-library-empty strong,.edu-library-empty span{display:block}.edu-library-empty strong{font-size:9px;color:#475467}.edu-library-empty span{font-size:7px;margin-top:3px}.edu-library-more{text-align:center;padding:6px;color:#98a2b3;font-size:7px}
@media(min-width:1500px){.edu-library-results{max-height:340px}}


/* ================= EduLive v1.3 Solver Studio ================= */

/* absolutely no floating top-right notifications */
.edu-toast-stack,.edu-toast{display:none!important}

/* STEM panel: clean product UI */
.edu-stem-explorer-view{padding:0!important;overflow:hidden!important}
.edu-stem-explorer-head{display:flex;align-items:flex-start;justify-content:space-between;padding:14px 14px 10px;border-bottom:1px solid #edf0f5;background:linear-gradient(180deg,#fff,#fbfcfe)}
.edu-stem-explorer-head .edu-eyebrow{display:block;font-size:6px;font-weight:950;letter-spacing:.13em;color:#7f56d9;margin-bottom:4px}
.edu-stem-explorer-head strong{display:block;font-size:14px;letter-spacing:-.02em}.edu-stem-explorer-head small{display:block;font-size:8px;color:#98a2b3;margin-top:2px}
.edu-stem-pro{font-size:7px;font-weight:950;border-radius:999px;background:#ecfdf3;color:#027a48;padding:5px 7px}
.edu-stem-primary-filters{padding:10px 12px 0}
.edu-stem-subject-switch-clean{margin:0!important;background:#f2f4f7!important;border-radius:12px!important;padding:4px!important}
.edu-stem-subject-switch-clean button{display:flex!important;align-items:center!important;justify-content:center!important;gap:5px!important;padding:9px 5px!important}
.edu-stem-subject-switch-clean button span{font-size:13px!important;margin:0!important}.edu-stem-subject-switch-clean button b{font-size:8px}
.edu-stem-grade-row{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:7px}
.edu-stem-grade-row button{border:1px solid #e4e7ec;background:#fff;border-radius:8px;padding:6px 3px;color:#667085;font-size:8px;font-weight:850;cursor:pointer}
.edu-stem-grade-row button.active{background:#101828;color:#fff;border-color:#101828}
.edu-stem-search-hero{margin:10px 12px 0;display:grid;grid-template-columns:24px 1fr 28px;align-items:center;border:1px solid #d0d5dd;border-radius:12px;background:#fff;box-shadow:0 2px 8px rgba(16,24,40,.05)}
.edu-stem-search-hero>span{text-align:center;color:#98a2b3;font-size:16px}.edu-stem-search-hero input{border:0!important;box-shadow:none!important;outline:0!important;padding:10px 4px!important;font-size:9px!important;background:transparent!important;min-width:0}.edu-stem-search-hero button{border:0;background:transparent;color:#98a2b3;font-size:16px;cursor:pointer}
.edu-stem-toolbar-row{display:grid;grid-template-columns:1.2fr 1fr;gap:6px;margin:7px 12px 0}.edu-stem-toolbar-row select{min-width:0;border:1px solid #e4e7ec;background:#fff;border-radius:8px;padding:6px 7px;color:#475467;font-size:7.5px}
.edu-stem-quick-chips{display:flex;gap:5px;overflow-x:auto;padding:8px 12px 4px;scrollbar-width:none}.edu-stem-quick-chips::-webkit-scrollbar{display:none}.edu-stem-quick-chips button{white-space:nowrap;border:1px solid #e4e7ec;background:#f8fafc;border-radius:999px;padding:5px 7px;font-size:7px;font-weight:800;color:#667085;cursor:pointer}.edu-stem-quick-chips button:hover{background:#eef2ff;color:#3538cd;border-color:#c7d7fe}
.edu-stem-result-head{display:flex;justify-content:space-between;align-items:baseline;padding:5px 13px 6px;border-top:1px solid #f2f4f7}.edu-stem-result-head strong{font-size:10px}.edu-stem-result-head span,.edu-stem-result-head small{font-size:6.5px;color:#98a2b3}
.edu-library-results-v13{flex:1!important;max-height:none!important;padding:0 9px 9px!important;overflow:auto!important;gap:4px!important}
.edu-library-topic{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);padding:8px 4px 4px}.edu-library-topic strong{font-size:7px;text-transform:uppercase;letter-spacing:.06em;color:#667085}.edu-library-topic span{font-size:6px;color:#b0b8c4}
.edu-library-row-v13{display:grid;grid-template-columns:34px minmax(0,1fr) 48px;gap:8px;align-items:center;border:1px solid #edf0f5;background:#fff;border-radius:10px;padding:7px 7px 7px 6px;transition:.14s}.edu-library-row-v13:hover{border-color:#c7d7fe;box-shadow:0 4px 12px rgba(16,24,40,.05)}
.edu-lib-v13-icon{width:34px;height:34px;border-radius:9px;background:#f2f4ff;color:#4e5ba6;display:grid;place-items:center;font-size:14px;font-weight:900}
.edu-lib-v13-main{min-width:0}.edu-lib-v13-main strong{display:block;font-size:8px;color:#344054;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.edu-lib-v13-main code{display:block;font-family:Georgia,'Times New Roman',serif;font-size:10px;color:#101828;margin:3px 0;line-height:1.2;white-space:normal}.edu-lib-v13-main small{display:block;font-size:6px;color:#98a2b3}
.edu-lib-v13-actions{display:flex;flex-direction:column;gap:3px}.edu-lib-v13-actions button{height:24px;border-radius:7px;border:1px solid #e4e7ec;background:#fff;font-size:6.5px;font-weight:900;cursor:pointer}.edu-lib-v13-actions .solve{background:#101828;color:#fff;border-color:#101828}.edu-lib-v13-actions .solve[disabled]{background:#f2f4f7;color:#667085;border-color:#e4e7ec}.edu-lib-v13-actions .insert{font-size:14px;color:#475467}
.edu-library-empty-v13{text-align:center;padding:28px 10px;color:#98a2b3}.edu-library-empty-v13 span{display:block;font-size:22px}.edu-library-empty-v13 strong,.edu-library-empty-v13 small{display:block}.edu-library-empty-v13 strong{font-size:9px;color:#475467;margin-top:5px}.edu-library-empty-v13 small{font-size:7px;margin-top:2px}.edu-library-more-v13{text-align:center;padding:8px;font-size:6.5px;color:#98a2b3}
.edu-stem-tools-accordion{margin:0 10px 10px;border:1px solid #e4e7ec;border-radius:10px;background:#fff;flex:0 0 auto}.edu-stem-tools-accordion summary{cursor:pointer;padding:8px 9px;font-size:7px;font-weight:850;color:#667085}.edu-stem-tools-dynamic{padding:0 7px 7px}.edu-stem-tools-dynamic>div{display:none;grid-template-columns:1fr 1fr;gap:5px}.edu-stem-tools-dynamic>div.active{display:grid}.edu-stem-tools-dynamic button{border:1px solid #e4e7ec;background:#f8fafc;border-radius:7px;padding:7px 5px;font-size:7px;color:#475467;cursor:pointer}

/* make STEM view layout own its scrolling */
[data-panel-view="physics"].active{display:flex!important;flex-direction:column!important;min-height:0!important}
[data-panel-view="physics"] .edu-library-results-v13{min-height:120px}

/* solver */
.edu-solver-backdrop{position:fixed;inset:72px 0 0;background:rgba(16,24,40,.22);backdrop-filter:blur(2px);z-index:69;opacity:0;pointer-events:none;transition:.2s}.edu-solver-backdrop.open{opacity:1;pointer-events:auto}
.edu-solver-drawer{position:fixed;right:-570px;top:72px;bottom:0;width:min(540px,92vw);z-index:70;background:#f8fafc;border-left:1px solid #dfe3ea;box-shadow:-26px 0 60px rgba(16,24,40,.18);transition:right .25s ease;display:flex;flex-direction:column}.edu-solver-drawer.open{right:0}
.edu-solver-head{height:88px;flex:0 0 88px;display:flex;justify-content:space-between;align-items:flex-start;padding:16px 18px;background:#101828;color:#fff}.edu-solver-head h2{font-size:18px;margin:4px 0 2px;letter-spacing:-.025em}.edu-solver-head p{font-size:8px;color:#98a2b3;margin:0}.edu-solver-head button{width:34px;height:34px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#fff;border-radius:9px;font-size:20px;cursor:pointer}.edu-solver-badge{font-size:6.5px;font-weight:950;letter-spacing:.12em;color:#bdb4fe}
.edu-solver-scroll{flex:1;min-height:0;overflow:auto;padding:14px 16px 90px}
.edu-solver-formula{background:#fff;border:1px solid #e4e7ec;border-radius:14px;padding:15px 14px;font:600 20px/1.3 Georgia,'Times New Roman',serif;color:#101828;box-shadow:0 4px 14px rgba(16,24,40,.04)}
.edu-solver-tabs{display:grid;grid-template-columns:1fr 1fr;background:#eaecf0;border-radius:10px;padding:3px;margin:12px 0}.edu-solver-tabs button{border:0;background:transparent;border-radius:8px;padding:8px;font-size:8px;font-weight:900;color:#667085;cursor:pointer}.edu-solver-tabs button.active{background:#fff;color:#101828;box-shadow:0 2px 6px rgba(16,24,40,.08)}
.edu-solver-tabview{display:none}.edu-solver-tabview.active{display:block}
.edu-solver-function-area,.edu-solver-equation-area,.edu-solver-unsupported{display:none}.edu-solver-function-area.active,.edu-solver-equation-area.active,.edu-solver-unsupported.active{display:block}
.edu-solver-function-area>label,.edu-solver-equation-area>label{display:block;font-size:8px;font-weight:850;color:#475467;margin:0 0 6px}.edu-solver-function-area>input,.edu-solver-equation-area>select{width:100%;border:1px solid #d0d5dd;border-radius:10px;background:#fff;padding:10px;font-size:10px;outline:none}
.edu-solver-xrow{display:grid;grid-template-columns:1.2fr repeat(4,.8fr);gap:5px;margin-top:8px}.edu-solver-xrow>div label{display:block;font-size:7px;color:#667085;margin-bottom:3px}.edu-solver-xrow input{width:100%;border:1px solid #d0d5dd;border-radius:8px;padding:8px;font-size:9px}.edu-solver-xrow>button{align-self:end;border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:8px 4px;font-size:7px;font-weight:850;cursor:pointer}.edu-solver-xrow>button:hover{background:#eef2ff;border-color:#c7d7fe}
.edu-solver-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.edu-solver-field{background:#fff;border:1px solid #e4e7ec;border-radius:10px;padding:9px}.edu-solver-field>label{display:block;font-size:8px;font-weight:900;color:#344054;margin-bottom:5px}.edu-solver-field>div{display:grid;grid-template-columns:minmax(0,1fr) 76px;gap:5px}.edu-solver-field input,.edu-solver-field select{min-width:0;border:1px solid #d0d5dd;border-radius:7px;padding:7px;font-size:8px;background:#fff}
.edu-solver-main-btn{width:100%;margin-top:10px;border:0;background:linear-gradient(135deg,#5b5ce2,#7f56d9);color:#fff;border-radius:10px;padding:11px;font-size:9px;font-weight:950;cursor:pointer;box-shadow:0 7px 14px rgba(91,92,226,.2)}
.edu-solver-unsupported{background:#fffaeb;border:1px solid #fedf89;border-radius:12px;padding:12px}.edu-solver-unsupported strong{display:block;font-size:9px;color:#93370d}.edu-solver-unsupported p{font-size:8px;color:#b54708;line-height:1.5;margin:4px 0 0}
.edu-solver-result{margin-top:12px}.edu-solver-result-empty{border:1px dashed #d0d5dd;border-radius:12px;padding:22px;text-align:center;color:#98a2b3;font-size:8px}.edu-result-hero{background:#101828;color:#fff;border-radius:13px;padding:13px 14px}.edu-result-hero span{display:block;font-size:6.5px;letter-spacing:.1em;color:#98a2b3;font-weight:900}.edu-result-hero strong{display:block;margin-top:4px;font:700 18px/1.25 Georgia,serif}.edu-result-steps{display:flex;flex-direction:column;gap:6px;margin-top:8px}.edu-result-steps>div,.edu-method-step{display:grid;grid-template-columns:26px 1fr;gap:8px;align-items:start;background:#fff;border:1px solid #e4e7ec;border-radius:10px;padding:9px}.edu-result-steps b,.edu-method-step b{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:#eef2ff;color:#3538cd;font-size:8px}.edu-result-steps span,.edu-method-step span{font-size:9px;line-height:1.45;color:#344054;padding-top:5px}
.edu-solver-error{border:1px solid #fda29b;background:#fff1f0;border-radius:11px;padding:11px}.edu-solver-error strong,.edu-solver-error span{display:block}.edu-solver-error strong{font-size:9px;color:#b42318}.edu-solver-error span{font-size:8px;color:#d92d20;margin-top:3px}
.edu-method-list{display:flex;flex-direction:column;gap:7px}.edu-method-note{margin-top:10px;background:#ecfdf3;border:1px solid #abefc6;border-radius:11px;padding:10px}.edu-method-note strong{font-size:8px;color:#067647}.edu-method-note p{font-size:8px;color:#027a48;line-height:1.45;margin:4px 0 0}
.edu-solver-footer{position:absolute;left:0;right:0;bottom:0;display:grid;grid-template-columns:1fr 1.3fr;gap:7px;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid #e4e7ec;padding:10px 14px}.edu-solver-footer button{border:1px solid #d0d5dd;background:#fff;border-radius:9px;padding:10px 7px;font-size:8px;font-weight:900;cursor:pointer}.edu-solver-footer .primary{background:#101828;color:#fff;border-color:#101828}

@media(max-width:720px){
 .edu-solver-backdrop{inset:62px 0 0}.edu-solver-drawer{top:62px;width:100vw;right:-100vw}.edu-solver-xrow{grid-template-columns:1fr 1fr}.edu-solver-fields{grid-template-columns:1fr}
}


/* ================= EduLive v1.4 Ultra Polish ================= */
:root{--edu-radius:14px;--edu-soft:#f8fafc;--edu-border:#e6eaf0;--edu-purple:#5b5ce2;--edu-ink:#101828;--edu-muted:#667085}
body.edulive-blank-body{letter-spacing:-.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.edu-studio-topbar{height:68px;flex-basis:68px;padding:0 14px;border-bottom-color:#edf0f5;box-shadow:0 1px 8px rgba(16,24,40,.035)}
.edu-brand-mark{box-shadow:0 5px 12px rgba(91,92,226,.18)}.edu-brand-lockup strong{letter-spacing:-.02em}.edu-lesson-identity strong{font-size:12px}.edu-lesson-identity span{font-size:9px}
.edu-command-button{height:38px;display:flex;align-items:center;gap:6px;border:1px solid #dfe3e9;background:#fff;border-radius:10px;padding:0 8px;color:#475467;font-size:9px;font-weight:800;cursor:pointer}.edu-command-button:hover{background:#f8fafc}.edu-command-button kbd{border:1px solid #e4e7ec;background:#f8fafc;border-radius:5px;padding:2px 4px;font-size:7px;color:#98a2b3}.edu-command-button>span{font-size:8px}
.edu-quality-pill{display:inline-flex;align-items:center;gap:5px;border:1px solid #e4e7ec;background:#fff;border-radius:999px;padding:5px 8px;font-size:8px;font-weight:850;color:#667085}.edu-quality-pill i{width:7px;height:7px;border-radius:50%;background:#98a2b3}.edu-quality-pill.excellent i{background:#12b76a;box-shadow:0 0 0 3px rgba(18,183,106,.11)}.edu-quality-pill.good i{background:#2e90fa}.edu-quality-pill.fair i{background:#f79009}.edu-quality-pill.waiting i{background:#98a2b3}
.edu-studio-shell{grid-template-columns:250px minmax(0,1fr) 314px;gap:8px;padding:8px}.edu-left-rail,.edu-right-panel{border-color:var(--edu-border);border-radius:15px;box-shadow:0 4px 14px rgba(16,24,40,.045)}
.edu-rail-heading>div{display:flex;align-items:center;gap:5px}.edu-rail-collapse{width:22px;height:22px;border:1px solid #e4e7ec;background:#fff;border-radius:7px;color:#667085;cursor:pointer;display:grid;place-items:center}
.edu-premium-video{border-radius:12px;box-shadow:0 7px 18px rgba(16,24,40,.12)}.edu-call-dock{gap:5px}.edu-call-btn{border-radius:10px;transition:transform .12s,background .12s,border-color .12s}.edu-call-btn:hover{transform:translateY(-1px)}
.edu-network-card{position:relative;padding:9px 10px}.edu-network-card>div{justify-content:flex-start}.edu-route-badge{margin-left:auto;border-radius:999px;padding:2px 5px;background:#ecfdf3;color:#027a48;font-size:6.5px;font-weight:900}.edu-route-badge.turn{background:#fff7ed;color:#b54708}.edu-network-card p{font-size:8px}.edu-reconnect-btn{width:100%;margin-top:7px;border:1px solid #e4e7ec;background:#fff;border-radius:7px;padding:6px;font-size:7px;font-weight:800;color:#667085;cursor:pointer}.edu-reconnect-btn:hover{background:#f8fafc;color:#344054}.edu-reconnect-btn:disabled{opacity:.55}
.edu-stage-head{height:48px}.edu-mode-switcher{border-radius:11px;padding:3px;box-shadow:0 2px 8px rgba(16,24,40,.05)}.edu-mode{padding:7px 10px;font-size:9px}.edu-mode.active{box-shadow:none}.edu-board-frame{border-radius:16px;border-color:#e3e7ed;box-shadow:0 8px 24px rgba(16,24,40,.065)}
.edu-floating-tools{top:10px;padding:4px;border-radius:12px;gap:2px;box-shadow:0 9px 24px rgba(16,24,40,.11)}.edu-floating-tools button{min-width:39px;height:39px;border-radius:8px}.edu-floating-tools button small{font-size:7px}.edu-width-slider{width:62px}
.edu-selection-tools{position:absolute;top:62px;left:50%;transform:translate(-50%,-7px);z-index:13;display:flex;align-items:center;gap:5px;background:#101828;color:#fff;padding:5px;border-radius:10px;box-shadow:0 10px 25px rgba(16,24,40,.2);opacity:0;pointer-events:none;transition:.14s}.edu-selection-tools.visible{opacity:1;pointer-events:auto;transform:translate(-50%,0)}.edu-selection-tools>span{font-size:7px;color:#98a2b3;padding:0 5px}.edu-selection-tools button{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);color:#fff;border-radius:7px;padding:6px 8px;font-size:7px;font-weight:850;cursor:pointer}.edu-selection-tools button.danger{color:#fda29b}
.edu-board-wrap #eduWhiteboard{touch-action:none}.edu-board-bottom{height:46px}.edu-board-bottom button,.edu-page-tabs button{height:29px;min-width:29px;border-radius:7px}.edu-save-btn{box-shadow:0 3px 8px rgba(16,24,40,.12)}
.edu-save-state{transition:.15s}.edu-save-state.saving{background:#fff7ed;color:#b54708}.edu-save-state.saved{background:#ecfdf3;color:#027a48}.edu-save-state.issue{background:#fff1f0;color:#b42318}.edu-inline-status{max-width:0;overflow:hidden;opacity:0;white-space:nowrap;border-radius:999px;padding:0;font-size:7px;font-weight:850;transition:.18s}.edu-inline-status.show{max-width:220px;opacity:1;padding:4px 7px;background:#f2f4f7;color:#475467}.edu-inline-status.success{background:#ecfdf3;color:#027a48}.edu-inline-status.error{background:#fff1f0;color:#b42318}
.edu-panel-tabs{height:46px;padding:5px}.edu-panel-tabs button{font-size:8px}.edu-panel-view{padding:12px}.edu-panel-title strong{font-size:12px}.edu-panel-title div>span{font-size:8px}

/* Collapsed video rail: preserves media controls as a compact dock */
body.edu-video-collapsed .edu-studio-shell{grid-template-columns:76px minmax(0,1fr) 314px}body.edu-video-collapsed .edu-left-rail{padding:7px}body.edu-video-collapsed .edu-rail-heading>span,body.edu-video-collapsed .edu-mini-count,body.edu-video-collapsed .edu-network-card{display:none}body.edu-video-collapsed .edu-rail-heading{justify-content:center;margin-bottom:6px}body.edu-video-collapsed .edu-premium-video{min-height:58px;aspect-ratio:1/1;border-radius:10px}body.edu-video-collapsed .edu-video-placeholder{min-height:58px}body.edu-video-collapsed .edu-video-placeholder strong,body.edu-video-collapsed .edu-video-placeholder span,body.edu-video-collapsed .edu-video-name{display:none}body.edu-video-collapsed .edu-avatar-xl{width:34px;height:34px;border-radius:10px;font-size:14px;margin:0}body.edu-video-collapsed .edu-remote-stack .edu-premium-video{min-height:58px}body.edu-video-collapsed .edu-call-dock{grid-template-columns:1fr;gap:4px}body.edu-video-collapsed .edu-call-btn{padding:6px 2px}body.edu-video-collapsed .edu-call-btn small{display:none}

/* Command palette */
.edu-command-backdrop{position:fixed;inset:0;background:rgba(16,24,40,.30);backdrop-filter:blur(3px);z-index:89;opacity:0;pointer-events:none;transition:.16s}.edu-command-backdrop.open{opacity:1;pointer-events:auto}.edu-command-palette{position:fixed;z-index:90;left:50%;top:92px;transform:translate(-50%,-12px) scale(.985);width:min(650px,calc(100vw - 28px));max-height:min(650px,calc(100vh - 120px));background:#fff;border:1px solid #e4e7ec;border-radius:17px;box-shadow:0 28px 70px rgba(16,24,40,.25);opacity:0;pointer-events:none;overflow:hidden;transition:.17s}.edu-command-palette.open{opacity:1;pointer-events:auto;transform:translate(-50%,0) scale(1)}.edu-command-search{height:58px;display:grid;grid-template-columns:30px 1fr auto;align-items:center;padding:0 13px;border-bottom:1px solid #edf0f5}.edu-command-search>span{font-size:22px;color:#98a2b3}.edu-command-search input{border:0!important;outline:0!important;box-shadow:none!important;font-size:13px!important;padding:10px 4px!important}.edu-command-search kbd{border:1px solid #e4e7ec;background:#f8fafc;border-radius:6px;padding:4px 6px;font-size:7px;color:#98a2b3}.edu-command-groups{padding:11px;overflow:auto;max-height:calc(min(650px,100vh - 120px) - 58px)}.edu-command-section+.edu-command-section{margin-top:12px}.edu-command-label{font-size:6.5px;font-weight:950;letter-spacing:.12em;color:#98a2b3}.edu-command-label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}.edu-command-label-row small{font-size:7px;color:#98a2b3}.edu-command-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-top:6px}.edu-command-actions button{display:grid;grid-template-columns:26px 1fr auto;align-items:center;gap:7px;border:1px solid #edf0f5;background:#fff;border-radius:9px;padding:8px;text-align:left;cursor:pointer}.edu-command-actions button:hover{background:#f8f7ff;border-color:#d9d6fe}.edu-command-actions button>span{font-size:14px}.edu-command-actions b{font-size:8px;color:#344054}.edu-command-actions kbd{font-size:6px;color:#98a2b3}.edu-command-results{display:flex;flex-direction:column;gap:4px}.edu-command-result{display:grid;grid-template-columns:34px minmax(0,1fr) 24px;gap:8px;align-items:center;border:1px solid transparent;background:#fff;border-radius:9px;padding:7px;text-align:left;cursor:pointer}.edu-command-result:hover,.edu-command-result:focus{background:#f8f7ff;border-color:#e9d7fe;outline:0}.edu-command-result>span{width:34px;height:34px;border-radius:9px;background:#eef2ff;color:#4e5ba6;display:grid;place-items:center;font-size:14px}.edu-command-result strong,.edu-command-result code,.edu-command-result small{display:block}.edu-command-result strong{font-size:8px;color:#344054}.edu-command-result code{font-family:Georgia,serif;font-size:10px;color:#101828;margin:2px 0}.edu-command-result small{font-size:6.5px;color:#98a2b3}.edu-command-result>kbd{font-size:8px;color:#98a2b3}

/* Solver refinement */
.edu-solver-drawer{width:min(560px,94vw);border-left-color:#e2e6ec}.edu-solver-formula{font-size:22px;border-radius:13px}.edu-solver-field input:focus,.edu-solver-field select:focus,.edu-solver-function-area>input:focus,.edu-solver-xrow input:focus{outline:0;border-color:#8b7cf6;box-shadow:0 0 0 3px rgba(91,92,226,.08)}.edu-result-hero{background:linear-gradient(145deg,#101828,#1d2939)}.edu-result-steps>div{transition:.12s}.edu-result-steps>div:hover{border-color:#c7d7fe}

/* Tablet/stylus first */
body.edu-touch .edu-floating-tools button{min-width:43px;height:43px}body.edu-touch .edu-board-bottom button{min-width:34px;height:34px}body.edu-touch .edu-call-btn{min-height:48px}
@media(max-width:1280px){.edu-studio-shell{grid-template-columns:220px minmax(0,1fr) 292px}body.edu-video-collapsed .edu-studio-shell{grid-template-columns:72px minmax(0,1fr) 292px}.edu-command-button>span{display:none}}
@media(max-width:1040px){.edu-studio-shell{grid-template-columns:190px minmax(0,1fr)}.edu-right-panel{display:none}.edu-quality-pill{display:none}body.edu-video-collapsed .edu-studio-shell{grid-template-columns:70px minmax(0,1fr)}}
@media(max-width:720px){.edu-command-palette{top:72px}.edu-command-actions{grid-template-columns:1fr 1fr}.edu-command-button{width:36px;padding:0;justify-content:center}.edu-command-button kbd,.edu-command-button>span{display:none}.edu-floating-tools{max-width:94%;overflow-x:auto;scrollbar-width:none}.edu-selection-tools{top:57px}.edu-studio-topbar{height:62px;flex-basis:62px}}


/* ================= EduLive v1.4.1 UX Fix Pack ================= */

/* Top bar: one connection state only. Remove duplicated Waiting/LIVE chips. */
.edu-quality-pill,.edu-status-pill{display:none!important}
.edu-top-center{gap:8px}
.edu-connect-pill{padding:6px 10px}
.edu-session-clock{background:transparent;border:0;padding:6px 4px}
button[hidden]{display:none!important}

/* Attachment is always actionable. */
#eduResourceToggle{position:relative;opacity:1!important;cursor:pointer!important}
#eduResourceToggle.has-resource{background:#eef2ff;border-color:#c7d7fe;color:#3538cd}
#eduResourceToggle.has-resource:after{content:"";position:absolute;right:5px;top:5px;width:6px;height:6px;border-radius:50%;background:#12b76a;box-shadow:0 0 0 2px #fff}

/* Resource Hub */
.edu-resource-drawer{width:min(560px,92vw);z-index:80}
.edu-resource-hub{overflow:auto;background:#f8fafc;padding:14px}
.edu-resource-upload-card,.edu-current-resource-card{background:#fff;border:1px solid #e4e7ec;border-radius:15px;padding:14px;box-shadow:0 4px 14px rgba(16,24,40,.045)}
.edu-resource-upload-card{margin-bottom:12px}
.edu-resource-upload-title{display:flex;gap:10px;align-items:center;margin-bottom:12px}.edu-resource-upload-title>span{width:34px;height:34px;border-radius:10px;background:#eef2ff;color:#3538cd;display:grid;place-items:center;font-size:20px}.edu-resource-upload-title strong,.edu-resource-upload-title small{display:block}.edu-resource-upload-title strong{font-size:12px}.edu-resource-upload-title small{font-size:8px;color:#98a2b3;margin-top:2px}
.edu-resource-file-drop{display:grid;grid-template-columns:38px 1fr;gap:9px;align-items:center;border:1px dashed #b8c0cc;border-radius:12px;padding:12px;background:#fbfcfe;cursor:pointer}.edu-resource-file-drop:hover{border-color:#8b8cf5;background:#f8f7ff}.edu-resource-file-drop input{display:none}.edu-resource-file-drop>span{width:38px;height:38px;border-radius:10px;background:#f2f4f7;display:grid;place-items:center}.edu-resource-file-drop strong,.edu-resource-file-drop small{display:block}.edu-resource-file-drop strong{font-size:10px}.edu-resource-file-drop small{font-size:8px;color:#98a2b3;margin-top:2px}
.edu-resource-or{display:flex;align-items:center;gap:8px;margin:8px 0}.edu-resource-or:before,.edu-resource-or:after{content:"";height:1px;background:#edf0f5;flex:1}.edu-resource-or span{font-size:7px;color:#98a2b3}
#eduLiveResourceUrl{width:100%;border:1px solid #d0d5dd;border-radius:10px;padding:10px;font-size:9px;outline:none}#eduLiveResourceUrl:focus{border-color:#9b8afb;box-shadow:0 0 0 3px rgba(91,92,226,.08)}
#eduLiveResourceSave{width:100%;margin-top:8px;border:0;border-radius:10px;padding:10px;background:#101828;color:#fff;font-size:9px;font-weight:900;cursor:pointer}#eduLiveResourceSave:disabled{opacity:.6}
.edu-resource-message{min-height:14px;margin:7px 0 0;font-size:8px;color:#027a48}
.edu-current-resource-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.edu-current-resource-head strong,.edu-current-resource-head small{display:block}.edu-current-resource-head strong{font-size:10px}.edu-current-resource-head small{font-size:7px;color:#98a2b3;margin-top:2px}.edu-current-resource-head button{border:1px solid #fda29b;background:#fff1f0;color:#b42318;border-radius:8px;padding:6px 8px;font-size:7px;font-weight:850;cursor:pointer}
.edu-resource-preview{min-height:180px;border:1px solid #edf0f5;border-radius:12px;background:#f8fafc;overflow:hidden;display:grid;place-items:center}.edu-resource-empty{text-align:center;padding:25px;color:#98a2b3}.edu-resource-empty>span{font-size:28px}.edu-resource-empty strong,.edu-resource-empty p{display:block}.edu-resource-empty strong{font-size:10px;color:#475467;margin-top:5px}.edu-resource-empty p{font-size:8px;line-height:1.45;margin:4px 0 0}
.edu-resource-preview-pdf,.edu-resource-preview-link{text-align:center;padding:25px 16px}.edu-resource-preview-pdf>span{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:13px;background:#fff1f0;color:#b42318;font-size:10px;font-weight:950}.edu-resource-preview-pdf strong,.edu-resource-preview-pdf small,.edu-resource-preview-link strong,.edu-resource-preview-link small{display:block}.edu-resource-preview-pdf strong,.edu-resource-preview-link strong{font-size:11px;color:#344054;margin-top:8px}.edu-resource-preview-pdf small,.edu-resource-preview-link small{font-size:8px;color:#98a2b3;margin-top:3px;overflow-wrap:anywhere}.edu-resource-preview-link>span{font-size:26px;color:#5b5ce2}.edu-resource-preview-image{display:block;width:100%;height:260px;object-fit:contain;background:#fff}
.edu-resource-actions{display:flex;gap:7px;margin-top:9px}.edu-resource-action{flex:1;border:1px solid #d0d5dd;background:#fff;color:#344054;border-radius:9px;padding:9px;text-align:center;text-decoration:none;font-size:8px;font-weight:850;cursor:pointer}.edu-resource-action.primary{background:#5b5ce2;color:#fff;border-color:#5b5ce2}

/* Quiz is now a workspace, never an empty 500px column. */
.edu-quiz-workspace{padding:12px!important;overflow:auto}
.edu-quiz-builder,.edu-quiz-live-card,.edu-quiz-student-idle{background:#fff;border:1px solid #e4e7ec;border-radius:14px;padding:12px;box-shadow:0 4px 14px rgba(16,24,40,.045)}
.edu-quiz-builder-head{display:flex;align-items:center;gap:9px;margin-bottom:11px}.edu-quiz-builder-head>span{width:34px;height:34px;border-radius:10px;background:#f4f3ff;color:#6941c6;display:grid;place-items:center}.edu-quiz-builder-head strong,.edu-quiz-builder-head small{display:block}.edu-quiz-builder-head strong{font-size:11px}.edu-quiz-builder-head small{font-size:7.5px;color:#98a2b3;margin-top:2px}
.edu-quiz-builder>label{display:block;font-size:8px;font-weight:850;color:#475467;margin:7px 0 5px}.edu-quiz-builder textarea{width:100%;resize:vertical;min-height:62px;border:1px solid #d0d5dd;border-radius:9px;padding:9px;font-size:9px;outline:none}.edu-quiz-builder textarea:focus,.edu-quiz-builder-options input:focus{border-color:#9b8afb;box-shadow:0 0 0 3px rgba(91,92,226,.08)}
.edu-quiz-builder-options{display:flex;flex-direction:column;gap:6px;margin-top:8px}.edu-quiz-builder-options>div{display:grid;grid-template-columns:28px 1fr;gap:6px;align-items:center}.edu-quiz-builder-options b{width:28px;height:28px;border-radius:8px;background:#f2f4f7;display:grid;place-items:center;font-size:8px}.edu-quiz-builder-options input{min-width:0;border:1px solid #d0d5dd;border-radius:8px;padding:8px;font-size:8px;outline:none}
.edu-quiz-builder-foot{display:grid;grid-template-columns:90px 1fr;gap:7px;align-items:end;margin-top:9px}.edu-quiz-builder-foot label{font-size:7px;color:#667085}.edu-quiz-builder-foot select{display:block;width:100%;margin-top:4px;border:1px solid #d0d5dd;border-radius:8px;padding:8px;background:#fff}.edu-quiz-builder-foot button{border:0;border-radius:9px;background:#5b5ce2;color:#fff;padding:9px;font-size:8px;font-weight:900;cursor:pointer}.edu-quiz-builder>p{margin:6px 0 0;min-height:12px;font-size:7.5px;color:#b42318}
.edu-quiz-live-head{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}.edu-quiz-live-head span{display:block;font-size:6px;letter-spacing:.12em;font-weight:950;color:#7f56d9}.edu-quiz-live-head strong{display:block;font-size:11px;line-height:1.4;margin-top:3px}.edu-quiz-live-head button{border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:6px 7px;font-size:7px;cursor:pointer}
.edu-quiz-answer-review,.edu-quiz-answer-grid{display:flex;flex-direction:column;gap:6px;margin-top:10px}.edu-quiz-answer-review>div,.edu-quiz-answer-grid button{display:grid;grid-template-columns:28px 1fr auto;gap:7px;align-items:center;border:1px solid #edf0f5;border-radius:9px;padding:7px;background:#f8fafc;text-align:left}.edu-quiz-answer-review b,.edu-quiz-answer-grid b{width:28px;height:28px;border-radius:8px;background:#fff;display:grid;place-items:center;font-size:8px}.edu-quiz-answer-review span,.edu-quiz-answer-grid span{font-size:8px}.edu-quiz-answer-review em{font-size:6.5px;color:#067647;font-style:normal}.edu-quiz-answer-review>div.correct{background:#ecfdf3;border-color:#abefc6}.edu-quiz-answer-grid button{cursor:pointer;background:#fff}.edu-quiz-answer-grid button:hover,.edu-quiz-answer-grid button.selected{border-color:#b9b9f7;background:#f8f7ff}.edu-quiz-answer-grid button.correct{border-color:#75e0a7;background:#ecfdf3}.edu-quiz-answer-grid button.wrong{border-color:#fda29b;background:#fff1f0}
.edu-quiz-live-stats{margin-top:10px;border-top:1px solid #edf0f5;padding-top:9px}.edu-quiz-stats-head{display:flex;justify-content:space-between}.edu-quiz-stats-head strong{font-size:8px}.edu-quiz-stats-head span{font-size:7px;color:#98a2b3}.edu-quiz-stat{display:grid;grid-template-columns:18px 1fr 18px;gap:6px;align-items:center;margin-top:6px}.edu-quiz-stat b,.edu-quiz-stat em{font-size:7px;font-style:normal}.edu-quiz-stat>span{height:6px;background:#f2f4f7;border-radius:999px;overflow:hidden}.edu-quiz-stat i{display:block;height:100%;background:#7f56d9;border-radius:999px}
.edu-quiz-end{width:100%;margin-top:10px;border:1px solid #fda29b;background:#fff1f0;color:#b42318;border-radius:9px;padding:8px;font-size:7.5px;font-weight:850;cursor:pointer}.edu-quiz-result-inline{font-size:8px;font-weight:850;margin-top:8px}
.edu-quiz-student-idle{text-align:center;margin-top:10px;background:#f8fafc}.edu-quiz-student-idle>span{font-size:24px;color:#98a2b3}.edu-quiz-student-idle strong{display:block;font-size:10px;margin-top:5px}.edu-quiz-student-idle p{font-size:8px;line-height:1.45;color:#98a2b3;margin:4px 0}

/* Give more board width without making the side panel cramped. */
.edu-studio-shell{grid-template-columns:236px minmax(0,1fr) 300px}
body.edu-solo .edu-studio-shell{grid-template-columns:176px minmax(0,1fr) 300px}
body.edu-video-collapsed .edu-studio-shell{grid-template-columns:72px minmax(0,1fr) 300px}

@media(max-width:1280px){
 .edu-studio-shell{grid-template-columns:205px minmax(0,1fr) 280px}
 body.edu-solo .edu-studio-shell{grid-template-columns:165px minmax(0,1fr) 280px}
 body.edu-video-collapsed .edu-studio-shell{grid-template-columns:68px minmax(0,1fr) 280px}
}

/* ================= EduLive v1.4.2 Clean Classroom ================= */
.edu-studio-shell{grid-template-columns:264px minmax(0,1fr)!important;position:relative}
.edu-right-panel{position:fixed!important;top:82px!important;right:12px!important;bottom:12px!important;width:360px!important;z-index:45!important;border-radius:18px!important;transform:translateX(calc(100% + 30px))!important;opacity:0!important;pointer-events:none!important;transition:.22s ease!important;box-shadow:0 24px 70px rgba(16,24,40,.22)!important}
body.edu-context-open .edu-right-panel{transform:translateX(0)!important;opacity:1!important;pointer-events:auto!important}
.edu-panel-tabs{position:fixed!important;right:12px!important;top:150px!important;width:48px!important;height:auto!important;display:flex!important;flex-direction:column!important;gap:6px!important;padding:5px!important;z-index:44!important;border:1px solid #e4e7ec!important;border-radius:14px!important;background:rgba(255,255,255,.95)!important;backdrop-filter:blur(12px)!important;box-shadow:0 10px 28px rgba(16,24,40,.10)!important}
body.edu-context-open .edu-panel-tabs{right:380px!important}
.edu-panel-tabs button{width:38px!important;height:42px!important;padding:0!important;display:flex!important;flex-direction:column!important;align-items:center!important;justify-content:center!important;gap:2px!important;border-radius:10px!important}
.edu-panel-tabs .edu-dock-icon{font-size:13px;line-height:1}.edu-panel-tabs b{font-size:6px;font-weight:850}.edu-panel-tabs button.active{background:#101828!important;color:#fff!important}
.edu-panel-close{position:absolute;right:10px;top:10px;z-index:30;width:34px;height:34px;border:1px solid #e4e7ec;border-radius:9px;background:#fff;color:#101828;font-size:20px;cursor:pointer}
.edu-panel-body{padding-top:42px!important}
.edu-stage-head{padding-right:54px!important}
.edu-quiz-launch-card{margin:12px 0!important;border:1px solid #e4e7ec;border-radius:16px;background:linear-gradient(145deg,#fff,#f8fafc);padding:24px 18px;text-align:center}
.edu-quiz-launch-icon{width:44px;height:44px;margin:0 auto 10px;border-radius:13px;background:#eef2ff;color:#4e5ba6;display:grid;place-items:center;font-size:18px}.edu-quiz-launch-card strong{display:block;font-size:14px}.edu-quiz-launch-card p{font-size:9px;line-height:1.5;color:#667085;max-width:260px;margin:6px auto 14px}.edu-quiz-launch-card button{border:0;border-radius:10px;background:#101828;color:#fff;padding:10px 15px;font-size:9px;font-weight:900;cursor:pointer}

/* Snapshot viewer */
.edu-snapshot-viewer{position:fixed;inset:0;z-index:99999;display:none}.edu-snapshot-viewer.open{display:block}.edu-snapshot-viewer-backdrop{position:absolute;inset:0;background:rgba(7,12,23,.82);backdrop-filter:blur(7px)}
.edu-snapshot-viewer-shell{position:absolute;inset:18px;display:flex;flex-direction:column;overflow:hidden;background:#0b1220;border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 30px 100px rgba(0,0,0,.48)}
.edu-snapshot-viewer-head{height:68px;flex:0 0 68px;display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 18px;background:#101828;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.edu-snapshot-viewer-head span,.edu-snapshot-viewer-head strong,.edu-snapshot-viewer-head small{display:block}.edu-snapshot-viewer-head span{font-size:7px;letter-spacing:.12em;color:#9b8afb;font-weight:950}.edu-snapshot-viewer-head strong{font-size:14px;margin-top:3px}.edu-snapshot-viewer-head small{font-size:8px;color:#98a2b3;margin-top:2px}
.edu-snapshot-viewer-actions{display:flex;align-items:center;gap:6px}.edu-snapshot-viewer-actions button,.edu-snapshot-viewer-actions a{min-width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:0 9px;border:1px solid rgba(255,255,255,.14);border-radius:9px;background:rgba(255,255,255,.08);color:#fff;text-decoration:none;font-size:9px;font-weight:850;cursor:pointer}.edu-snapshot-viewer-actions .edu-snapshot-close{width:46px;height:46px;margin-left:5px;background:#fff;color:#101828;border-color:#fff;font-size:28px}
.edu-snapshot-viewer-body{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:auto;padding:22px 72px;background:#070c16}.edu-snapshot-canvas{display:flex;align-items:center;justify-content:center;min-width:75%;min-height:75%}.edu-snapshot-canvas img{display:block;max-width:100%;max-height:calc(100vh - 160px);object-fit:contain;background:#fff;box-shadow:0 18px 55px rgba(0,0,0,.32);transition:transform .12s ease}.edu-snapshot-viewer.zoomed .edu-snapshot-canvas img{max-width:none;max-height:none}
.edu-snapshot-nav{position:fixed;top:50%;width:44px;height:56px;transform:translateY(-50%);border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(16,24,40,.82);color:#fff;font-size:28px;cursor:pointer}.edu-snapshot-nav.prev{left:30px}.edu-snapshot-nav.next{right:30px}.edu-snapshot-viewer-foot{height:38px;flex:0 0 38px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:#101828;color:#98a2b3;font-size:8px}
@media(max-width:980px){.edu-studio-shell{grid-template-columns:190px minmax(0,1fr)!important}.edu-right-panel{top:72px!important;right:8px!important;bottom:8px!important;width:min(360px,86vw)!important}}
@media(max-width:720px){.edu-studio-shell{grid-template-columns:1fr!important}.edu-panel-tabs{top:auto!important;bottom:132px!important;right:8px!important}body.edu-context-open .edu-panel-tabs{display:none!important}.edu-right-panel{top:62px!important;right:0!important;bottom:0!important;width:100vw!important;border-radius:0!important}.edu-snapshot-viewer-shell{inset:0;border-radius:0}}


/* ================= EduLive v1.5 Class Hub / Teams Edition ================= */
.edu-hub{min-height:100vh;background:#f5f7fb;color:#101828;display:grid;grid-template-columns:240px minmax(0,1fr);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
.edu-hub-sidebar{position:sticky;top:0;height:100vh;background:#101828;color:#fff;padding:18px 12px;display:flex;flex-direction:column;overflow:auto}
.edu-hub-logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;padding:2px 7px 18px}.edu-hub-logo>span{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#6857e5,#8b5cf6);display:grid;place-items:center;font-weight:950;font-size:18px}.edu-hub-logo strong,.edu-hub-logo small{display:block}.edu-hub-logo strong{font-size:13px}.edu-hub-logo small{font-size:7px;letter-spacing:.13em;color:#98a2b3;margin-top:2px}
.edu-hub-mainnav{display:flex;flex-direction:column;gap:4px}.edu-hub-mainnav a{display:flex;gap:10px;align-items:center;text-decoration:none;color:#98a2b3;padding:10px;border-radius:9px;font-size:10px;font-weight:750}.edu-hub-mainnav a.active,.edu-hub-mainnav a:hover{background:#1d2939;color:#fff}
.edu-hub-side-title{display:flex;justify-content:space-between;align-items:center;margin:22px 8px 8px;color:#667085}.edu-hub-side-title span{font-size:7px;font-weight:950;letter-spacing:.12em}.edu-hub-side-title button{width:24px;height:24px;border:0;border-radius:7px;background:#344054;color:#fff;cursor:pointer}
.edu-hub-course-list{display:flex;flex-direction:column;gap:3px}.edu-hub-course-list>a{display:grid;grid-template-columns:9px minmax(0,1fr);gap:8px;align-items:center;padding:9px;border-radius:9px;color:#b3bac5;text-decoration:none;font-size:9px}.edu-hub-course-list>a span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.edu-hub-course-list>a:hover,.edu-hub-course-list>a.active{background:#1d2939;color:#fff}.edu-course-dot{width:8px;height:8px;border-radius:50%;background:#98a2b3}.edu-course-dot.edu-math{background:#7f56d9}.edu-course-dot.edu-physics{background:#2e90fa}.edu-course-dot.edu-chemistry{background:#12b76a}.edu-no-classes{font-size:8px;color:#667085;padding:8px}
.edu-hub-join-code{margin:10px 5px;border:1px solid #344054;background:transparent;color:#b3bac5;border-radius:9px;padding:9px;font-size:8px;cursor:pointer}
.edu-hub-account{margin-top:auto;display:grid;grid-template-columns:34px 1fr 20px;align-items:center;gap:8px;border-top:1px solid #1d2939;padding:14px 7px 0}.edu-hub-account strong,.edu-hub-account small{display:block}.edu-hub-account strong{font-size:9px}.edu-hub-account small{font-size:7px;color:#98a2b3}.edu-hub-account>a{color:#98a2b3;text-decoration:none}
.edu-user-avatar{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#6857e5,#8b5cf6);color:#fff;display:grid;place-items:center;font-weight:950}
.edu-hub-main{padding:28px 34px 60px;min-width:0}.edu-hub-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.edu-hub-eyebrow{font-size:7px;font-weight:950;letter-spacing:.13em;color:#7f56d9}.edu-hub-top h1,.edu-course-hero h1{font-size:28px;letter-spacing:-.04em;margin:5px 0 4px}.edu-hub-top p,.edu-course-hero p{font-size:10px;color:#667085;margin:0}.edu-hub-primary{border:0!important;border-radius:10px!important;background:#101828!important;color:#fff!important;padding:11px 15px!important;font-size:9px!important;font-weight:900!important;cursor:pointer!important}
.edu-hub-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}.edu-hub-stats>div{background:#fff;border:1px solid #e4e7ec;border-radius:14px;padding:15px}.edu-hub-stats span,.edu-hub-stats strong{display:block}.edu-hub-stats span{font-size:8px;color:#667085}.edu-hub-stats strong{font-size:24px;margin-top:5px}
.edu-hub-section{background:#fff;border:1px solid #e4e7ec;border-radius:16px;padding:18px;margin-bottom:16px;box-shadow:0 4px 14px rgba(16,24,40,.025)}.edu-hub-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.edu-hub-section-head span{display:block;font-size:7px;letter-spacing:.1em;color:#98a2b3;font-weight:900}.edu-hub-section-head h2{font-size:15px;margin:3px 0 0}.edu-hub-section-head p{font-size:8px;color:#667085;margin:4px 0 0}
.edu-course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:12px}.edu-course-card{display:grid;grid-template-columns:72px minmax(0,1fr);min-height:130px;border:1px solid #e4e7ec;border-radius:14px;overflow:hidden;text-decoration:none;color:#101828;transition:.15s}.edu-course-card:hover{transform:translateY(-2px);border-color:#b9b9f7;box-shadow:0 12px 26px rgba(16,24,40,.08)}.edu-course-card-art{display:grid;place-items:center;color:#fff;font-size:26px;background:#667085}.edu-course-card-art.edu-math{background:linear-gradient(150deg,#6941c6,#9e77ed)}.edu-course-card-art.edu-physics{background:linear-gradient(150deg,#175cd3,#53b1fd)}.edu-course-card-art.edu-chemistry{background:linear-gradient(150deg,#067647,#32d583)}.edu-course-card-body{padding:13px}.edu-course-card-body small{font-size:7px;color:#98a2b3}.edu-course-card-body h3{font-size:13px;margin:5px 0}.edu-course-card-body p{font-size:8px;color:#667085}.edu-course-card-body>strong{font-size:8px;color:#3538cd}
.edu-hub-empty{grid-column:1/-1;border:1px dashed #d0d5dd;border-radius:14px;text-align:center;padding:28px;color:#667085}.edu-hub-empty>span{font-size:28px}.edu-hub-empty h3{font-size:13px;color:#344054;margin:6px 0}.edu-hub-empty p{font-size:9px;margin:0}.edu-hub-empty-line{padding:16px;border:1px dashed #d0d5dd;border-radius:10px;color:#98a2b3;font-size:9px;text-align:center}
.edu-meeting-list{display:flex;flex-direction:column;gap:7px}.edu-meeting-row{display:grid;grid-template-columns:92px minmax(0,1fr) auto;align-items:center;gap:12px;border:1px solid #edf0f5;border-radius:12px;padding:10px 12px}.edu-meeting-date strong,.edu-meeting-date span{display:block}.edu-meeting-date strong{font-size:9px}.edu-meeting-date span{font-size:13px;font-weight:850;margin-top:2px}.edu-meeting-main h3{font-size:10px;margin:3px 0}.edu-meeting-main p{font-size:7.5px;color:#98a2b3;margin:0}.edu-meeting-status{font-size:6px;font-weight:900;border-radius:999px;padding:3px 6px;background:#f2f4f7}.edu-meeting-status.edu-live{background:#fee4e2;color:#b42318}.edu-meeting-actions a{text-decoration:none;border-radius:8px;background:#101828;color:#fff;padding:8px 10px;font-size:7px;font-weight:900}
.edu-legacy-lessons{border-style:dashed;background:#fcfcfd}
.edu-course-hero{display:grid;grid-template-columns:70px minmax(0,1fr) auto;gap:15px;align-items:center;margin-bottom:15px}.edu-course-hero-icon{width:70px;height:70px;border-radius:18px;background:#667085;color:#fff;display:grid;place-items:center;font-size:27px}.edu-course-hero-icon.edu-math{background:linear-gradient(150deg,#6941c6,#9e77ed)}.edu-course-hero-icon.edu-physics{background:linear-gradient(150deg,#175cd3,#53b1fd)}.edu-course-hero-icon.edu-chemistry{background:linear-gradient(150deg,#067647,#32d583)}.edu-course-back{font-size:8px;color:#667085;text-decoration:none}.edu-course-hero-actions{display:flex;gap:7px}.edu-course-hero-actions button,.edu-small-action{border:1px solid #d0d5dd;background:#fff;border-radius:9px;padding:9px 11px;font-size:8px;font-weight:850;cursor:pointer}
.edu-course-tabs{display:flex;gap:4px;border-bottom:1px solid #e4e7ec;margin-bottom:16px}.edu-course-tabs a{text-decoration:none;color:#667085;padding:9px 11px;font-size:8px;font-weight:850;border-bottom:2px solid transparent}.edu-course-tabs a.active{color:#3538cd;border-color:#5b5ce2}
.edu-course-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:14px}.edu-course-sidecards{display:flex;flex-direction:column;gap:10px}.edu-course-sidecards>div{background:#101828;color:#fff;border-radius:14px;padding:15px}.edu-course-sidecards span,.edu-course-sidecards strong,.edu-course-sidecards small{display:block}.edu-course-sidecards span{font-size:7px;color:#98a2b3;letter-spacing:.08em}.edu-course-sidecards strong{font-size:17px;margin:6px 0}.edu-course-sidecards small{font-size:8px;color:#98a2b3}.edu-course-sidecards button{margin-top:8px;border:0;border-radius:8px;padding:7px 9px;font-size:7px;font-weight:850}
.edu-material-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}.edu-material-grid>a{display:grid;grid-template-columns:42px 1fr;gap:8px;align-items:center;text-decoration:none;color:#101828;border:1px solid #e4e7ec;border-radius:11px;padding:10px}.edu-material-grid>a>span{width:42px;height:42px;border-radius:10px;background:#f2f4f7;display:grid;place-items:center}.edu-material-grid strong,.edu-material-grid small{display:block}.edu-material-grid strong{font-size:9px}.edu-material-grid small{font-size:7px;color:#98a2b3;margin-top:3px}
.edu-assignment-list{display:flex;flex-direction:column;gap:8px}.edu-assignment-list article{border:1px solid #e4e7ec;border-radius:11px;padding:12px}.edu-assignment-list span{font-size:7px;color:#98a2b3}.edu-assignment-list h3{font-size:10px}.edu-assignment-list p{font-size:9px;line-height:1.55;color:#475467}
.edu-people-hub{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}.edu-people-hub-row{display:grid;grid-template-columns:34px 1fr;gap:9px;align-items:center;border:1px solid #e4e7ec;border-radius:11px;padding:9px}.edu-people-hub-row.teacher{background:#f8f7ff}.edu-people-hub-row strong,.edu-people-hub-row small{display:block}.edu-people-hub-row strong{font-size:9px}.edu-people-hub-row small{font-size:7px;color:#98a2b3}
/* Modals */
.edu-hub-modal{position:fixed;inset:0;z-index:5000;display:none;align-items:center;justify-content:center}.edu-hub-modal.open{display:flex}.edu-hub-modal-back{position:absolute;inset:0;background:rgba(16,24,40,.45);backdrop-filter:blur(4px)}.edu-hub-modal-card{position:relative;z-index:1;width:min(510px,92vw);max-height:88vh;overflow:auto;background:#fff;border-radius:18px;padding:22px;box-shadow:0 30px 80px rgba(16,24,40,.26)}.edu-modal-x{position:absolute;right:12px;top:12px;width:34px;height:34px;border:1px solid #e4e7ec;background:#fff;border-radius:9px;font-size:20px;cursor:pointer}.edu-hub-modal-card h2{font-size:19px;margin:5px 0 6px}.edu-hub-modal-card>p{font-size:9px;color:#667085}.edu-hub-modal-card form{display:flex;flex-direction:column;gap:10px;margin-top:15px}.edu-hub-modal-card label{font-size:8px;font-weight:850;color:#475467}.edu-hub-modal-card input,.edu-hub-modal-card select{display:block;width:100%;margin-top:5px;border:1px solid #d0d5dd;border-radius:9px;padding:10px;font-size:9px;background:#fff}.edu-form-two{display:grid;grid-template-columns:1fr 1fr;gap:8px}.edu-form-error{font-size:8px;color:#d92d20}.edu-form-note{font-size:8px;color:#667085;margin-top:8px}.edu-code-input{text-transform:uppercase;letter-spacing:.18em;text-align:center;font-size:20px!important;font-weight:900!important}.edu-invite-ready{margin-top:13px;border-top:1px solid #edf0f5;padding-top:12px}.edu-copy-row{display:grid;grid-template-columns:1fr auto;gap:5px}.edu-copy-row button,.edu-code-ready button{border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:7px;font-size:8px}.edu-code-ready{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;margin-top:9px;background:#f8fafc;border-radius:10px;padding:9px}.edu-code-ready span{font-size:7px;color:#667085}.edu-code-ready strong{font-size:16px;letter-spacing:.12em}
/* Invitation landing */
.edu-invite-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 30% 10%,#eef2ff,#f8fafc 45%,#fff);padding:24px}.edu-invite-brand{position:fixed;left:25px;top:22px;display:flex;align-items:center;gap:8px}.edu-invite-brand span{width:34px;height:34px;border-radius:10px;background:#5b5ce2;color:#fff;display:grid;place-items:center;font-weight:950}.edu-invite-card{width:min(500px,94vw);background:#fff;border:1px solid #e4e7ec;border-radius:20px;padding:28px;box-shadow:0 24px 70px rgba(16,24,40,.12)}.edu-invite-card h1{font-size:26px;letter-spacing:-.04em}.edu-invite-card>p{font-size:10px;color:#667085}.edu-invite-class-meta{display:flex;justify-content:space-between;align-items:center;background:#101828;color:#fff;border-radius:12px;padding:13px;margin:16px 0}.edu-invite-class-meta span{font-size:8px;color:#98a2b3}.edu-invite-class-meta strong{font-size:16px;letter-spacing:.1em}.edu-invite-register{display:flex;flex-direction:column;gap:9px}.edu-invite-register label{font-size:8px;font-weight:800;color:#475467}.edu-invite-register input{display:block;width:100%;margin-top:4px;border:1px solid #d0d5dd;border-radius:9px;padding:10px}.edu-invite-register small{font-size:8px;color:#667085}
.edu-class-back{display:flex;align-items:center;gap:5px;border:1px solid #e4e7ec;border-radius:10px;background:#fff;color:#344054;text-decoration:none;padding:8px 10px;font-size:9px;font-weight:850}.edu-class-back span{display:inline}
@media(max-width:900px){.edu-hub{grid-template-columns:78px minmax(0,1fr)}.edu-hub-sidebar{padding:14px 8px}.edu-hub-logo div,.edu-hub-mainnav span,.edu-hub-side-title span,.edu-hub-course-list>a span:last-child,.edu-hub-account>div:nth-child(2),.edu-hub-join-code{display:none}.edu-hub-course-list>a{grid-template-columns:1fr;place-items:center}.edu-course-dot{width:12px;height:12px}.edu-hub-main{padding:22px 18px}.edu-course-layout{grid-template-columns:1fr}.edu-course-sidecards{display:grid;grid-template-columns:1fr 1fr}}
@media(max-width:620px){.edu-hub{display:block}.edu-hub-sidebar{position:fixed;left:0;right:0;bottom:0;top:auto;height:64px;z-index:100;display:flex;flex-direction:row;align-items:center;padding:7px}.edu-hub-logo,.edu-hub-side-title,.edu-hub-course-list,.edu-hub-account{display:none}.edu-hub-mainnav{flex-direction:row}.edu-hub-mainnav a{padding:9px}.edu-hub-main{padding:18px 12px 82px}.edu-hub-top{display:block}.edu-hub-top>div:last-child{margin-top:12px}.edu-hub-stats{grid-template-columns:1fr 1fr}.edu-hub-stats>div:last-child{grid-column:1/-1}.edu-course-grid{grid-template-columns:1fr}.edu-course-hero{grid-template-columns:52px 1fr}.edu-course-hero-icon{width:52px;height:52px}.edu-course-hero-actions{grid-column:1/-1}.edu-course-tabs{overflow:auto}.edu-meeting-row{grid-template-columns:75px 1fr}.edu-meeting-actions{grid-column:1/-1}.edu-meeting-actions a{display:block;text-align:center}.edu-form-two{grid-template-columns:1fr}.edu-course-sidecards{grid-template-columns:1fr}}


/* ================= EduLive v1.5.2 Lesson Rendering + Schedule ================= */
.edu-meeting-row-v152{min-height:74px}
.edu-meeting-kickers{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.edu-meeting-subject{font-size:6px;font-weight:850;color:#667085;background:#f2f4f7;border-radius:999px;padding:3px 6px}
.edu-meeting-status.edu-past{background:#f2f4f7;color:#667085}
.edu-meeting-status.edu-completed{background:#ecfdf3;color:#067647}
.edu-meeting-status.edu-cancelled{background:#fff1f0;color:#b42318}
.edu-meeting-actions a.live{background:#d92d20!important}
.edu-calendar-toolbar{display:grid;grid-template-columns:180px 180px 1fr;gap:10px;align-items:center;margin:0 0 16px}
.edu-calendar-toolbar>div{background:#fff;border:1px solid #e4e7ec;border-radius:13px;padding:12px}
.edu-calendar-toolbar strong,.edu-calendar-toolbar span{display:block}.edu-calendar-toolbar strong{font-size:20px}.edu-calendar-toolbar span{font-size:7px;color:#98a2b3;margin-top:2px}
.edu-calendar-toolbar>a{justify-self:end;text-decoration:none;color:#475467;font-size:8px;font-weight:850}
.edu-calendar-agenda{display:flex;flex-direction:column;gap:6px}
.edu-calendar-day{position:sticky;top:0;z-index:2;background:#fff;padding:12px 4px 5px;font-size:8px;font-weight:950;letter-spacing:.05em;text-transform:uppercase;color:#667085;border-bottom:1px solid #edf0f5}
@media(max-width:700px){.edu-calendar-toolbar{grid-template-columns:1fr 1fr}.edu-calendar-toolbar>a{grid-column:1/-1;justify-self:start}}

/* ================= EduLive v1.6 Production Ready ================= */
#eduQualityPill{cursor:pointer}
.edu-global-dialog{position:fixed;inset:0;z-index:120000;display:none;align-items:center;justify-content:center;padding:18px}.edu-global-dialog.open{display:flex}.edu-global-dialog-back{position:absolute;inset:0;background:rgba(16,24,40,.42);backdrop-filter:blur(5px)}
.edu-global-dialog>section{position:relative;z-index:1;width:min(430px,94vw);display:grid;grid-template-columns:48px 1fr;gap:12px;background:#fff;border:1px solid #e4e7ec;border-radius:18px;padding:18px;box-shadow:0 28px 80px rgba(16,24,40,.24)}
.edu-dialog-icon{width:44px;height:44px;border-radius:13px;background:#fff1f0;color:#d92d20;display:grid;place-items:center;font-size:20px;font-weight:950}.edu-global-dialog span{font-size:7px;font-weight:950;letter-spacing:.12em;color:#98a2b3}.edu-global-dialog h3{font-size:17px;margin:4px 0}.edu-global-dialog p{font-size:9px;color:#667085;line-height:1.5;margin:0}
.edu-global-dialog footer{grid-column:1/-1;display:flex;justify-content:flex-end;gap:7px;margin-top:7px}.edu-global-dialog footer button{border:1px solid #d0d5dd;background:#fff;border-radius:9px;padding:9px 13px;font-size:8px;font-weight:900;cursor:pointer}.edu-global-dialog footer button.danger{background:#b42318;color:#fff;border-color:#b42318}
.edu-app-notice-stack{position:fixed;right:18px;bottom:18px;z-index:110000;display:flex;flex-direction:column;gap:7px;width:min(350px,calc(100vw - 28px))}.edu-app-notice{transform:translateY(8px);opacity:0;transition:.2s;display:grid;grid-template-columns:1fr 24px;gap:8px;align-items:center;background:#101828;color:#fff;border-radius:11px;padding:10px 10px 10px 12px;box-shadow:0 14px 36px rgba(16,24,40,.2);font-size:8px}.edu-app-notice.show{transform:none;opacity:1}.edu-app-notice.success{background:#067647}.edu-app-notice.warning{background:#b54708}.edu-app-notice.error{background:#b42318}.edu-app-notice button{border:0;background:transparent;color:inherit;font-size:16px;cursor:pointer}
.edu-offline-banner{position:fixed;top:0;left:0;right:0;z-index:130000;transform:translateY(-110%);transition:.2s;background:#b42318;color:#fff;text-align:center;padding:8px 14px;font-size:8px;font-weight:850;box-shadow:0 6px 18px rgba(16,24,40,.14)}.edu-offline-banner.show{transform:translateY(0)}
.edu-connection-center{position:fixed;inset:0;z-index:115000;display:none;align-items:center;justify-content:center;padding:18px}.edu-connection-center.open{display:flex}.edu-cc-backdrop{position:absolute;inset:0;background:rgba(7,12,23,.48);backdrop-filter:blur(6px)}
.edu-cc-card{position:relative;z-index:1;width:min(720px,95vw);max-height:90vh;overflow:auto;background:#f8fafc;border:1px solid #e4e7ec;border-radius:20px;box-shadow:0 30px 90px rgba(16,24,40,.28)}
.edu-cc-card>header{display:flex;justify-content:space-between;gap:18px;background:#101828;color:#fff;padding:18px 20px;border-radius:20px 20px 0 0}.edu-cc-card>header span{display:block;font-size:7px;font-weight:950;letter-spacing:.12em;color:#bdb4fe}.edu-cc-card>header h2{font-size:20px;margin:4px 0 2px}.edu-cc-card>header p{font-size:8px;color:#98a2b3;margin:0}.edu-cc-x{width:38px;height:38px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#fff;border-radius:10px;font-size:22px;cursor:pointer}
.edu-cc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:15px}.edu-cc-grid>div{background:#fff;border:1px solid #e4e7ec;border-radius:12px;padding:11px;min-height:82px}.edu-cc-grid span,.edu-cc-grid strong,.edu-cc-grid small{display:block}.edu-cc-grid span{font-size:7px;color:#667085}.edu-cc-grid strong{font-size:11px;margin-top:8px}.edu-cc-grid small{font-size:6.5px;line-height:1.4;color:#98a2b3;margin-top:4px}.edu-cc-grid>div.ok{border-color:#abefc6;background:#f6fef9}.edu-cc-grid>div.ok strong{color:#067647}.edu-cc-grid>div.warn{border-color:#fda29b;background:#fff8f7}.edu-cc-grid>div.warn strong{color:#b42318}
.edu-cc-summary{display:grid;grid-template-columns:160px 1fr;gap:12px;align-items:center;margin:0 15px 15px;background:#fff;border:1px solid #e4e7ec;border-radius:12px;padding:12px}.edu-cc-summary span,.edu-cc-summary strong{display:block}.edu-cc-summary span{font-size:7px;color:#667085}.edu-cc-summary strong{font-size:13px;margin-top:3px}.edu-cc-summary strong.ok{color:#067647}.edu-cc-summary strong.warn{color:#b54708}.edu-cc-summary p{font-size:8px;color:#667085;line-height:1.5;margin:0}
.edu-cc-card>footer{display:flex;justify-content:flex-end;gap:7px;border-top:1px solid #e4e7ec;background:#fff;padding:12px 15px;border-radius:0 0 20px 20px}.edu-cc-card>footer button{border:1px solid #d0d5dd;background:#fff;border-radius:9px;padding:9px 12px;font-size:8px;font-weight:900;cursor:pointer}.edu-cc-card>footer .primary{background:#101828;color:#fff;border-color:#101828}
@media(max-width:720px){.edu-cc-grid{grid-template-columns:1fr 1fr}.edu-cc-summary{grid-template-columns:1fr}.edu-cc-card>footer{flex-wrap:wrap}.edu-cc-card>footer button{flex:1}.edu-global-dialog>section{grid-template-columns:1fr}.edu-dialog-icon{margin-bottom:2px}}