:root{--ink:#173c35;--deep:#0d2b25;--deep-2:#123830;--cream:#f4f1e9;--paper:#fffdf9;--line:rgba(23,60,53,.1);--gold:#c78b45;--gold-soft:#ecd4ac;--muted:#808680;--danger:#bf5145;--success:#2e936e;--shadow:0 18px 55px rgba(26,52,44,.09);--sidebar:236px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}
html,body{margin:0;min-height:100%}body{background:var(--cream);color:#293d37;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;overflow-x:hidden}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-mark{width:42px;height:42px;border-radius:13px;background:#f2e4cd;color:#9a682e;display:grid;place-items:center;flex:0 0 auto}.brand-mark svg{width:25px;height:25px}.brand-mark svg path:first-child{fill:currentColor;stroke:none;opacity:.13}
.login-screen{min-height:100dvh;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(430px,.75fr);background:#f5f1e8}
.login-art{position:relative;min-height:100dvh;overflow:hidden;background:radial-gradient(circle at 18% 20%,rgba(203,151,83,.22),transparent 26%),radial-gradient(circle at 85% 75%,rgba(70,129,112,.32),transparent 32%),linear-gradient(135deg,#09261f,#123e34 62%,#19493d);padding:clamp(42px,6vw,92px);display:flex;align-items:center}
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.login-orbit{position:absolute;border:1px solid rgba(239,213,172,.13);border-radius:50%}.orbit-one{width:620px;height:620px;right:-280px;bottom:-250px}.orbit-two{width:420px;height:420px;right:-180px;bottom:-150px}.login-glow{position:absolute;width:340px;height:340px;right:8%;bottom:10%;border-radius:50%;background:radial-gradient(circle,rgba(208,157,80,.2),transparent 70%);filter:blur(15px)}
.login-panel{display:grid;place-items:center;padding:38px;background:linear-gradient(160deg,#faf7f0,#f3efe6)}
.login-card{width:min(100%,420px)}.login-brand{display:flex;align-items:center;gap:11px;margin-bottom:45px}.login-brand>span:last-child{display:flex;flex-direction:column;gap:2px}.login-brand b{font-size:18.2px;letter-spacing:3px;color:var(--ink)}.login-brand small{font-size:8px;letter-spacing:2.5px;color:#a57a43;font-weight:900}.login-card h2{font-size:36.5px;letter-spacing:-1.3px;margin:0 0 10px;color:var(--ink)}.login-copy{font-size:12.5px;line-height:1.7;color:#90928c;margin:0 0 24px;max-width:350px}.role-switch{display:grid;grid-template-columns:1fr 1fr;background:#ebe7de;border-radius:11px;padding:4px;margin-bottom:20px}.role-switch button{height:37px;border:0;background:transparent;border-radius:8px;color:#92928c;font-size:11.4px;font-weight:750}.role-switch button.active{background:#fffdf9;color:var(--ink);box-shadow:0 4px 14px rgba(27,45,39,.08)}.login-field{display:block;margin-bottom:14px}.login-field span{display:block;font-size:10.3px;font-weight:800;color:#42564f;margin:0 3px 7px}.login-field input{width:100%;height:48px;border:1px solid rgba(23,60,53,.14);border-radius:11px;background:#fff;padding:0 14px;outline:none;color:var(--ink);font-size:13.7px;transition:.2s}.login-field input:focus{border-color:#6e8e84;box-shadow:0 0 0 4px rgba(23,60,53,.06)}.login-submit{width:100%;height:50px;margin-top:4px;border:0;border-radius:12px;background:var(--ink);color:#fff8e9;display:flex;align-items:center;justify-content:center;gap:9px;font-size:13.7px;font-weight:900;box-shadow:0 14px 30px rgba(23,60,53,.18);transition:.2s}.login-submit:hover{background:var(--deep);transform:translateY(-1px)}.login-submit svg{width:16px;height:16px}.login-error{min-height:18px;color:var(--danger);font-size:10.3px;text-align:center;margin-top:7px}.demo-credentials{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:12px;border-top:1px solid rgba(23,60,53,.08);padding-top:14px}.demo-credentials span{font-size:9.1px;color:#ada9a0;margin-right:2px}.demo-credentials button{border:1px solid rgba(23,60,53,.1);background:#f6f1e7;color:#8d7a60;font-size:9.1px;border-radius:6px;padding:5px 7px}.back-live{display:inline-block;margin-top:23px;font-size:10.3px;color:#aaa69d}.back-live:hover{color:var(--ink)}
.console-app{min-height:100dvh;display:flex;background:var(--cream)}
.sidebar{width:var(--sidebar);height:100dvh;position:fixed;inset:0 auto 0 0;z-index:20;background:linear-gradient(180deg,#0d2b25,#12372f);display:flex;flex-direction:column;color:#d8e2dd;box-shadow:10px 0 40px rgba(15,42,35,.12)}
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.main-area{margin-left:var(--sidebar);min-width:0;width:calc(100% - var(--sidebar))}
.topbar{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,2.5vw,38px);background:rgba(255,253,249,.91);border-bottom:1px solid rgba(23,60,53,.08);position:sticky;top:0;z-index:10;backdrop-filter:blur(16px)}.topbar-left{display:flex;align-items:center;gap:12px}.topbar-left>div{display:flex;flex-direction:column;gap:2px}.topbar-left span{font-size:8px;color:#a2a39c}.topbar-left h1{font-size:18.2px;margin:0;color:var(--ink);letter-spacing:-.3px}.mobile-menu{display:none;border:0;background:#f4f0e7;width:34px;height:34px;border-radius:9px;color:var(--ink)}.topbar-right{display:flex;align-items:center;gap:16px}.date-block{display:flex;flex-direction:column;gap:2px;text-align:right}.date-block small{font-size:8px;color:#a4a49e}.date-block b{font-size:10.3px;color:#5c6a64}.topbar-divider{width:1px;height:24px;background:rgba(23,60,53,.1)}.connection-badge{display:flex;align-items:center;gap:6px;font-size:9.1px;color:#60766c}.connection-badge i{width:6px;height:6px;border-radius:50%;background:#35a077;box-shadow:0 0 0 4px rgba(53,160,119,.1)}.user-pill{display:flex;align-items:center;gap:8px;padding-left:3px}.user-pill>span{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#d4ab6f,#986531);display:grid;place-items:center;color:#fff;font-size:11.4px;font-weight:850}.user-pill>div{display:flex;flex-direction:column;gap:1px}.user-pill small{font-size:8px;color:#a5a49d}.user-pill b{font-size:10.3px;color:var(--ink)}
.page-content{padding:22px clamp(20px,2.5vw,38px) 40px;max-width:1700px;margin:0 auto}.view-page{display:none;animation:pageIn .22s ease}.view-page.active{display:block}@keyframes pageIn{from{opacity:0;transform:translateY(4px)}}
.room-hero{background:var(--paper);border:1px solid rgba(23,60,53,.09);border-radius:18px;display:grid;grid-template-columns:190px minmax(0,1fr) auto;align-items:center;gap:20px;padding:14px;box-shadow:var(--shadow);overflow:hidden}.hero-image{height:130px;border-radius:12px;position:relative;overflow:hidden;background:var(--ink)}.hero-image img{width:100%;height:100%;object-fit:cover}.hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,25,21,.55),transparent 60%)}.hero-live,.hero-code{position:absolute;z-index:2;font-size:8px}.hero-live{left:9px;top:9px;background:#d94e44;color:#fff;border-radius:4px;padding:4px 6px;font-weight:900;letter-spacing:.5px}.hero-live i{display:inline-block;width:4px;height:4px;border-radius:50%;background:#fff;margin-right:4px}.hero-code{right:9px;bottom:9px;color:rgba(255,255,255,.6);font-family:ui-monospace,Consolas,monospace}.hero-info{min-width:0}.hero-label{display:flex;align-items:center;gap:7px;font-size:9.1px;color:#9b7d55}.hero-label span:first-child{font-weight:850;color:#a06e32}.hero-label i{width:3px;height:3px;border-radius:50%;background:#d4c4ac}.hero-info h2{font-size:19.4px;color:var(--ink);margin:7px 0 6px;letter-spacing:-.4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero-info p{font-size:10.3px;color:#90938d;margin:0 0 13px;line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero-meta{display:flex;gap:16px;font-size:9.1px;color:#8f948e}.hero-meta span{display:flex;align-items:center;gap:4px}.hero-meta svg{width:12px;height:12px;color:#9ea9a3}.hero-meta b{color:#4b6259}.hero-actions{display:flex;flex-direction:column;align-items:stretch;gap:7px;min-width:135px;padding-right:2px}.primary-action,.secondary-action,.danger-ghost{height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:6px;font-size:9.1px;font-weight:750;padding:0 13px;white-space:nowrap}.primary-action{border:0;background:var(--ink);color:#fff9ec;box-shadow:0 8px 18px rgba(23,60,53,.14)}.primary-action:hover{background:var(--deep)}.primary-action svg,.secondary-action svg{width:13px;height:13px}.secondary-action{border:1px solid rgba(23,60,53,.13);background:#fff;color:#556a61}.secondary-action:hover{border-color:rgba(23,60,53,.27)}.danger-ghost{border:1px solid rgba(191,81,69,.16);background:#fff9f7;color:#b14d42}.danger-ghost:hover{background:#fff1ee}.danger-ghost i{width:5px;height:5px;border-radius:50%;background:#c85a4c}
.kpi-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:11px;margin-top:14px}.kpi-card{background:var(--paper);border:1px solid rgba(23,60,53,.085);border-radius:14px;padding:14px 15px;box-shadow:0 6px 22px rgba(26,52,44,.035)}.kpi-top{display:flex;justify-content:space-between;align-items:center}.kpi-top>span{font-size:9.1px;color:#8d918c;font-weight:650}.kpi-icon{width:27px;height:27px;border-radius:8px;display:grid;place-items:center}.kpi-icon svg{width:14px;height:14px}.kpi-icon.green{background:#e6f0eb;color:#3f816a}.kpi-icon.gold{background:#f4ead8;color:#a97638}.kpi-icon.blue{background:#e7edf2;color:#557b92}.kpi-icon.purple{background:#eeebf3;color:#766a91}.kpi-icon.rose{background:#f5e8e6;color:#aa685f}.kpi-value{display:flex;align-items:baseline;gap:4px;margin-top:6px}.kpi-value strong{font-size:29.6px;line-height:1;color:var(--ink);letter-spacing:-1px}.kpi-value span{font-size:9.1px;color:#9a9c96}.kpi-foot{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:10px}.kpi-foot small{font-size:6.8px;color:#b1aea7;white-space:nowrap}.trend{font-size:6.8px;color:#4f8b74;background:#edf4f0;border-radius:4px;padding:3px 5px;white-space:nowrap}.trend.up{color:#327b60}.trend.warn{color:#a66e32;background:#fbf1e2}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(290px,.7fr);gap:12px;margin-top:14px}.panel{background:var(--paper);border:1px solid rgba(23,60,53,.085);border-radius:14px;box-shadow:0 7px 24px rgba(26,52,44,.035);overflow:hidden}.panel-head{min-height:55px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 15px;border-bottom:1px solid rgba(23,60,53,.07)}.panel-kicker{display:block;font-size:6.8px;letter-spacing:1.7px;color:#b18a57;font-weight:900;margin-bottom:3px}.panel-head h3{font-size:13.7px;margin:0;color:var(--ink)}.panel-tools{display:flex;align-items:center;gap:7px}.segment{display:flex;background:#f1ede5;border-radius:7px;padding:3px}.segment button{border:0;background:transparent;border-radius:5px;padding:5px 8px;font-size:8px;color:#96958e}.segment button.active{background:#fff;color:var(--ink);font-weight:750;box-shadow:0 2px 7px rgba(25,49,42,.07)}.icon-btn{width:28px;height:28px;border:1px solid rgba(23,60,53,.11);background:#fff;color:#7d8b84;border-radius:7px;display:grid;place-items:center}.icon-btn svg{width:13px;height:13px}.table-wrap{overflow:auto}.table-wrap.large{max-height:calc(100dvh - 245px)}.data-table{width:100%;border-collapse:collapse;font-size:9.1px;white-space:nowrap}.data-table th{font-size:6.8px;color:#9fa19a;text-align:left;font-weight:750;background:#fbf9f4;border-bottom:1px solid rgba(23,60,53,.06);padding:9px 10px}.data-table td{padding:9px 10px;border-bottom:1px solid rgba(23,60,53,.055);color:#62716a}.data-table tr:hover td{background:#fdfbf7}.student-cell{display:flex;align-items:center;gap:7px}.table-avatar{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;color:#fff;font-size:9.1px;font-weight:800;flex:0 0 auto}.student-cell>span:last-child{display:flex;flex-direction:column;gap:2px}.student-cell b{font-size:9.1px;color:#314b42}.student-cell small{font-size:6.8px;color:#aaa9a2}.status-badge{display:inline-flex;align-items:center;gap:4px;font-size:6.8px;border-radius:4px;padding:4px 5px}.status-badge i{width:4px;height:4px;border-radius:50%}.status-badge.online{background:#eaf4ef;color:#337d61}.status-badge.online i{background:#38a179}.status-badge.offline{background:#f1f0ed;color:#8c8c86}.status-badge.offline i{background:#a7a6a0}.warming-tag{display:inline-block;margin-left:4px;font-style:normal;font-size:5.7px;color:#a77434;background:#f6ead8;padding:2px 3px;border-radius:3px;vertical-align:1px}.phone-cell{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#50665c}.interaction-cell b{color:#3c5c50}.interaction-cell small{color:#a2a49d;margin-left:2px}.score-cell{display:flex;align-items:center;gap:5px}.score-bar{width:38px;height:4px;border-radius:4px;background:#eeeae2;overflow:hidden}.score-bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#d5ab6e,#a97a3f)}.score-cell b{font-size:8px;color:#5c6f67}.empty-row td{text-align:center;padding:32px;color:#aaa9a2;font-size:9.1px}.table-foot{height:33px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;color:#b0aea7;font-size:6.8px;border-top:1px solid rgba(23,60,53,.055)}.live-mini{display:flex;align-items:center;gap:4px;font-size:6.8px;color:#bb5148}.live-mini i{width:5px;height:5px;border-radius:50%;background:#d65348;box-shadow:0 0 0 4px rgba(214,83,72,.1)}.admin-insight{margin:10px 12px 0;background:#f7f0e4;border:1px solid #ecddc6;border-radius:8px;padding:8px 9px}.admin-insight span{font-size:6.8px;font-weight:900;color:#a46e2e}.admin-insight p{font-size:6.8px;line-height:1.6;color:#958571;margin:4px 0 0}.feed-list{height:328px;overflow:auto;padding:10px 13px}.feed-list::-webkit-scrollbar,.event-log::-webkit-scrollbar{width:4px}.feed-list::-webkit-scrollbar-thumb,.event-log::-webkit-scrollbar-thumb{background:rgba(23,60,53,.1);border-radius:4px}.feed-item{display:grid;grid-template-columns:24px minmax(0,1fr);gap:7px;margin-bottom:10px}.feed-avatar{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;color:#fff;font-size:8px;font-weight:800}.feed-content{min-width:0}.feed-top{display:flex;align-items:center;gap:4px;margin-bottom:3px}.feed-top b{font-size:8px;color:#4d6259}.feed-top span{font-size:5.7px;color:#b2afa7}.feed-top i{font-style:normal;font-size:5.7px;color:#a87635;background:#f5ead8;padding:2px 3px;border-radius:3px}.feed-bubble{font-size:8px;line-height:1.55;background:#f4f1ea;border-radius:2px 7px 7px 7px;padding:6px 7px;color:#5d6862;word-break:break-word}.feed-item.system .feed-avatar{background:#e9e5dd;color:#8d8b84}.feed-item.system .feed-bubble{background:transparent;color:#aaa69e;font-size:6.8px;padding:2px 0;font-style:italic}.teacher-reply{display:flex;gap:6px;padding:8px 11px;border-top:1px solid rgba(23,60,53,.06)}.teacher-reply input{flex:1;height:33px;border:1px solid rgba(23,60,53,.11);border-radius:7px;padding:0 9px;font-size:8px;outline:none;background:#fff;color:var(--ink)}.teacher-reply input:focus{border-color:#78968b}.teacher-reply button{width:33px;height:33px;border:0;border-radius:7px;background:var(--ink);color:#fff;display:grid;place-items:center}.teacher-reply button svg{width:13px;height:13px}
.lower-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.panel-note{font-size:6.8px;color:#aaa79f}.ranking-list{padding:8px 14px}.ranking-item{display:grid;grid-template-columns:22px 28px minmax(0,1fr) auto;align-items:center;gap:7px;padding:8px 0;border-bottom:1px solid rgba(23,60,53,.055)}.ranking-item:last-child{border-bottom:0}.rank-no{font:900 9px ui-monospace,Consolas,monospace;color:#b4ada1}.ranking-item:nth-child(1) .rank-no{color:#c28a3f}.ranking-item:nth-child(2) .rank-no{color:#85938d}.ranking-item:nth-child(3) .rank-no{color:#b08362}.rank-avatar{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;color:#fff;font-size:8px;font-weight:800}.rank-name{display:flex;flex-direction:column;gap:2px;min-width:0}.rank-name b{font-size:8px;color:#3f574e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rank-name span{font-size:6.8px;color:#aaa9a2}.rank-score{display:flex;align-items:center;gap:5px}.rank-score strong{font-size:10.3px;color:#aa7537}.rank-score span{font-size:5.7px;color:#aba9a2}.text-btn{border:0;background:transparent;color:#a57a42;font-size:8px}.timeline-list{padding:9px 14px;max-height:247px;overflow:auto}.timeline-item{position:relative;display:grid;grid-template-columns:38px 12px minmax(0,1fr);gap:6px;min-height:39px}.timeline-time{font:600 6px ui-monospace,Consolas,monospace;color:#a7a69f;padding-top:3px}.timeline-line{position:relative;display:flex;justify-content:center}.timeline-line:before{content:"";position:absolute;width:1px;top:11px;bottom:-4px;background:#e8e3da}.timeline-item:last-child .timeline-line:before{display:none}.timeline-dot{width:7px;height:7px;border-radius:50%;background:#afc3b9;z-index:1;margin-top:4px;box-shadow:0 0 0 3px #f2f6f3}.timeline-dot.message{background:#d6a866;box-shadow:0 0 0 3px #faf2e7}.timeline-dot.leave{background:#c9c7c1;box-shadow:0 0 0 3px #f2f1ee}.timeline-dot.chat_lock,.timeline-dot.live_start,.timeline-dot.live_end{background:#b45f54;box-shadow:0 0 0 3px #faedeb}.timeline-copy{padding-bottom:9px;min-width:0}.timeline-copy b{display:block;font-size:8px;color:#4b6158;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.timeline-copy span{display:block;font-size:6.8px;color:#aaa9a2;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin:5px 0 17px}.page-section-head h2{font-size:26.2px;color:var(--ink);margin:3px 0 5px;letter-spacing:-.8px}.page-section-head p{font-size:9.1px;color:#949790;margin:0}.full-panel{margin-top:8px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 14px;border-bottom:1px solid rgba(23,60,53,.07)}.search-box{position:relative;display:flex;align-items:center;width:min(320px,100%)}.search-box svg{position:absolute;left:10px;width:13px;height:13px;color:#a4a8a2}.search-box input{width:100%;height:32px;border:1px solid rgba(23,60,53,.11);border-radius:7px;background:#fbfaf6;padding:0 10px 0 31px;font-size:8px;outline:none;color:var(--ink)}.search-box input:focus{border-color:#78978c;background:#fff}.event-summary-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:14px}.event-summary-row>div{background:#faf7f0;border:1px solid rgba(23,60,53,.06);border-radius:9px;padding:11px}.event-summary-row span{font-size:6.8px;color:#9d9f99}.event-summary-row b{display:block;font-size:20.5px;color:var(--ink);margin-top:4px}.event-log{padding:5px 18px 18px;max-height:calc(100dvh - 290px);overflow:auto}.event-row{display:grid;grid-template-columns:75px 30px minmax(0,1fr) auto;gap:9px;align-items:center;padding:10px 0;border-bottom:1px solid rgba(23,60,53,.055)}.event-row time{font:600 7px ui-monospace,Consolas,monospace;color:#9e9e97}.event-type-icon{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:#eaf3ef;color:#468068}.event-type-icon.leave{background:#f1f0ed;color:#878780}.event-type-icon.message{background:#f7eddc;color:#a77637}.event-type-icon.control{background:#f8e9e7;color:#ad5a50}.event-type-icon svg{width:12px;height:12px}.event-copy b{font-size:9.1px;color:#415a50}.event-copy p{font-size:8px;color:#898f89;margin:2px 0 0}.event-tag{font-size:6.8px;color:#a8a59e;background:#f5f2eb;border-radius:4px;padding:4px 6px}
.review-banner{margin-top:8px;border-radius:16px;background:linear-gradient(110deg,#0d2d26,#194f42);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 27px;box-shadow:0 18px 45px rgba(15,45,38,.17);position:relative;overflow:hidden}.review-banner:after{content:"";position:absolute;width:280px;height:280px;right:80px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(209,160,90,.25),transparent 68%)}.review-banner>div:first-child{position:relative;z-index:1}.review-banner span{font-size:8px;letter-spacing:1.6px;color:#d2ae77;font-weight:900}.review-banner h2{font-size:27.4px;margin:7px 0 5px}.review-banner p{font-size:9.1px;color:rgba(255,255,255,.48);margin:0}.review-score{position:relative;z-index:1;text-align:right;display:flex;flex-direction:column}.review-score small{font-size:8px;color:rgba(255,255,255,.47)}.review-score strong{font-size:38.8px;letter-spacing:-1.5px;color:#f0d09c;margin:2px 0}.review-score span{font-size:8px;color:rgba(255,255,255,.6)}.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.review-ranking{padding:10px 16px}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:14px}.summary-item{background:#faf7f1;border:1px solid rgba(23,60,53,.06);border-radius:9px;padding:12px}.summary-item span{font-size:8px;color:#979a94}.summary-item b{display:block;font-size:22.8px;color:var(--ink);margin-top:5px}.summary-item small{font-size:6.8px;color:#b0aea7}.insight-card{margin:0 14px 14px;border-radius:9px;background:#f4eee2;padding:12px}.insight-card span{font-size:8px;color:#a37031;font-weight:850}.insight-card p{font-size:8px;line-height:1.7;color:#7b766d;margin:5px 0 0}
.teacher-rank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.teacher-rank-card{background:var(--paper);border:1px solid rgba(23,60,53,.085);border-radius:15px;padding:18px;box-shadow:0 8px 25px rgba(26,52,44,.04);position:relative;overflow:hidden}.teacher-rank-card .rank-crown{position:absolute;right:14px;top:12px;color:#b98a4c;font-size:20.5px}.teacher-head{display:flex;align-items:center;gap:10px}.teacher-avatar{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:12.5px;font-weight:850}.teacher-head div{display:flex;flex-direction:column;gap:3px}.teacher-head b{font-size:12.5px;color:var(--ink)}.teacher-head span{font-size:8px;color:#9c9e98}.teacher-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:15px}.teacher-stat-grid div{background:#faf7f1;border-radius:7px;padding:9px}.teacher-stat-grid span{font-size:6.8px;color:#a3a49d}.teacher-stat-grid b{display:block;font-size:17.1px;margin-top:3px;color:#3b584e}.teacher-rate{margin-top:12px}.teacher-rate-head{display:flex;justify-content:space-between;font-size:8px;color:#8f938d;margin-bottom:5px}.teacher-rate-head b{color:#a57234}.teacher-rate-bar{height:5px;border-radius:5px;background:#ece8df;overflow:hidden}.teacher-rate-bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#d7ad70,#a97638)}.global-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.global-kpi{background:var(--paper);border:1px solid rgba(23,60,53,.085);border-radius:13px;padding:16px}.global-kpi span{font-size:8px;color:#92958f}.global-kpi b{display:block;font-size:31.9px;color:var(--ink);margin-top:7px;letter-spacing:-1px}.global-kpi small{font-size:6.8px;color:#aaa8a1}.teacher-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:14px}.teacher-mini-card{border:1px solid rgba(23,60,53,.07);border-radius:10px;padding:12px;background:#fcfaf5}.teacher-mini-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.teacher-mini-head b{font-size:10.3px;color:#40584e}.teacher-mini-head span{font-size:6.8px;color:#aaa79f}.teacher-mini-stats{display:flex;gap:15px}.teacher-mini-stats div{display:flex;flex-direction:column;gap:2px}.teacher-mini-stats span{font-size:6.8px;color:#a1a39d}.teacher-mini-stats b{font-size:13.7px;color:#355148}
.drawer-backdrop{position:fixed;inset:0;z-index:60;background:rgba(6,24,20,.34);backdrop-filter:blur(3px)}.control-drawer,.student-drawer{position:fixed;z-index:70;top:0;right:0;width:min(390px,100vw);height:100dvh;background:#fffdf9;box-shadow:-20px 0 70px rgba(10,35,28,.18);display:flex;flex-direction:column;animation:drawerIn .22s ease}@keyframes drawerIn{from{transform:translateX(30px);opacity:.5}}.drawer-head{height:74px;flex:0 0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px;border-bottom:1px solid rgba(23,60,53,.08)}.drawer-head span{font-size:6.8px;letter-spacing:1.8px;color:#b28750;font-weight:900}.drawer-head h2{font-size:19.4px;margin:4px 0 0;color:var(--ink)}.drawer-head>button{width:30px;height:30px;border-radius:50%;border:1px solid rgba(23,60,53,.1);background:#fff;color:#7f8b85;font-size:21.7px}.drawer-body{flex:1;overflow:auto;padding:4px 18px 25px}.drawer-section{padding:16px 0;border-bottom:1px solid rgba(23,60,53,.07)}.drawer-section h3{font-size:11.4px;color:#3e574e;margin:0 0 10px}.drawer-section p{font-size:8px;line-height:1.7;color:#9d9e98;margin:7px 0 0}.state-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.state-row>span:first-child{display:flex;flex-direction:column;gap:3px;font-size:9.1px;color:#52675e}.state-row>span:first-child b{font-size:9.1px}.state-row>span:first-child small{font-size:6.8px;color:#aaa8a1}.small-action{height:30px;border:1px solid rgba(23,60,53,.12);border-radius:7px;background:#fff;color:#596d64;font-size:8px;padding:0 10px}.small-action:hover{background:#f6f3ec}.small-action.wide{width:100%;margin-top:8px}.switch{width:31px;height:18px;border-radius:999px;background:#dad8d2;padding:2px;display:flex;align-items:center;transition:.2s}.switch i{width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.15);transition:.2s}.switch.on{background:#4e8c75}.switch.on i{transform:translateX(13px)}.drawer-section textarea{width:100%;resize:vertical;border:1px solid rgba(23,60,53,.12);border-radius:8px;padding:9px;outline:none;color:#435a51;font-size:9.1px;line-height:1.6;background:#fcfaf6}.drawer-section textarea:focus{border-color:#78978c;background:#fff}.upload-box{display:block;border:1px dashed rgba(23,60,53,.22);border-radius:9px;padding:13px;text-align:center;color:#87765f;background:#fbf8f1;font-size:8px;cursor:pointer}.upload-box input{display:none}.upload-box:hover{border-color:#b58a50;background:#faf3e8}.upload-progress{height:5px;border-radius:5px;background:#eae6de;overflow:hidden;margin-top:8px}.upload-progress i{display:block;height:100%;width:30%;background:linear-gradient(90deg,#d7ae70,#a47236);animation:uploading 1.1s ease-in-out infinite alternate}@keyframes uploading{to{width:92%}}.student-profile{padding:4px 20px 25px;overflow:auto}.profile-hero{display:flex;gap:12px;align-items:center;padding:19px 0 16px;border-bottom:1px solid rgba(23,60,53,.07)}.profile-avatar{width:53px;height:53px;border-radius:16px;display:grid;place-items:center;color:#fff;font-size:17.1px;font-weight:850}.profile-hero h3{font-size:17.1px;margin:0 0 4px;color:var(--ink)}.profile-hero p{font-size:8px;margin:0;color:#999b95}.profile-badges{display:flex;gap:5px;margin-top:8px}.profile-badges span{font-size:6.8px;border-radius:4px;padding:4px 5px;background:#edf4f0;color:#3d8068}.profile-badges span.warming{background:#f7ecdc;color:#a47234}.profile-section{padding:16px 0;border-bottom:1px solid rgba(23,60,53,.07)}.profile-section h4{font-size:9.1px;color:#9e9e97;margin:0 0 10px;font-weight:700;letter-spacing:.6px}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.profile-grid div{background:#faf7f1;border-radius:8px;padding:10px}.profile-grid span{display:block;font-size:6.8px;color:#aaa8a1;margin-bottom:4px}.profile-grid b{font-size:10.3px;color:#435a51}.profile-timeline{display:flex;flex-direction:column;gap:9px}.profile-timeline div{display:flex;gap:8px;align-items:flex-start;font-size:8px;color:#7b837d}.profile-timeline i{width:6px;height:6px;border-radius:50%;background:#c69b5f;margin-top:3px;flex:0 0 auto}.profile-message{padding:10px;background:#f8f4ed;border-radius:8px;font-size:8px;line-height:1.6;color:#796f63;margin-bottom:7px}.toast{position:fixed;left:50%;bottom:28px;z-index:100;transform:translate(-50%,15px);background:rgba(13,43,37,.94);color:#fff8e9;border-radius:999px;padding:9px 15px;font-size:9.1px;opacity:0;pointer-events:none;transition:.22s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1260px){.kpi-grid{grid-template-columns:repeat(3,1fr)}.kpi-card:nth-child(4),.kpi-card:nth-child(5){grid-column:span 1}.room-hero{grid-template-columns:160px minmax(0,1fr) auto}.hero-image{height:118px}.hero-info h2{font-size:17.1px}.dashboard-grid{grid-template-columns:minmax(0,1.5fr) 310px}.teacher-rank-grid{grid-template-columns:repeat(2,1fr)}.teacher-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:1080px){:root{--sidebar:212px}.room-hero{grid-template-columns:140px minmax(0,1fr)}.hero-actions{grid-column:1/-1;flex-direction:row;justify-content:flex-end;border-top:1px solid rgba(23,60,53,.06);padding-top:10px}.hero-actions>*{flex:0 0 auto}.dashboard-grid{grid-template-columns:1fr}.feed-panel{display:grid;grid-template-columns:1fr;max-height:500px}.feed-list{height:360px}.lower-grid{grid-template-columns:1fr}.review-grid{grid-template-columns:1fr}.global-kpis{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.login-screen{grid-template-columns:1fr}.login-art{min-height:290px;padding:38px 28px;align-items:flex-end}.login-art h1{font-size:51.3px;letter-spacing:-3px;margin:16px 0}.login-art-copy>p{display:none}.login-feature-row{display:none}.login-panel{padding:35px 20px 50px}.login-card{width:min(100%,440px)}.login-brand{margin-bottom:30px}.sidebar{transform:translateX(-105%);transition:.25s;width:236px}.sidebar.open{transform:none;box-shadow:20px 0 70px rgba(8,30,24,.25)}.sidebar-close{display:block}.main-area{margin-left:0;width:100%}.mobile-menu{display:grid;place-items:center}.topbar{height:66px;padding:0 16px}.date-block,.topbar-divider,.connection-badge{display:none}.page-content{padding:16px}.kpi-grid{grid-template-columns:repeat(2,1fr)}.room-hero{grid-template-columns:120px minmax(0,1fr)}.hero-image{height:105px}.hero-info h2{font-size:14.8px}.hero-info p,.hero-code{display:none}.hero-meta{gap:9px}.hero-actions{grid-column:1/-1}.teacher-rank-grid,.teacher-cards{grid-template-columns:1fr}.toolbar{align-items:stretch;flex-direction:column}.search-box{width:100%}.studentStatusFilter{overflow:auto}.event-row{grid-template-columns:62px 26px minmax(0,1fr)}.event-tag{display:none}.page-section-head{align-items:flex-start}.page-section-head h2{font-size:23.9px}}
@media(max-width:600px){.topbar-right .user-pill>div{display:none}.topbar-right{gap:7px}.topbar-left h1{font-size:16px}.room-hero{grid-template-columns:1fr;padding:11px}.hero-image{height:135px}.hero-actions{grid-column:auto;flex-wrap:wrap}.hero-actions button{flex:1 1 30%}.hero-info{padding:1px 3px 4px}.hero-meta{flex-wrap:wrap}.hero-info p{white-space:normal}.kpi-grid{grid-template-columns:1fr 1fr;gap:8px}.kpi-card{padding:12px}.kpi-value strong{font-size:26.2px}.kpi-foot small{display:none}.panel-tools .segment button{padding:5px 6px}.data-table th:nth-child(3),.data-table td:nth-child(3),.data-table th:nth-child(4),.data-table td:nth-child(4),.data-table th:nth-child(8),.data-table td:nth-child(8){display:none}.table-foot span:last-child{display:none}.review-banner{padding:19px}.review-banner h2{font-size:21.7px}.review-score strong{font-size:30.8px}.event-summary-row{grid-template-columns:1fr 1fr}.drawer-head{height:66px}.global-kpis{grid-template-columns:1fr 1fr}.summary-grid{grid-template-columns:1fr}.login-card h2{font-size:31.9px}.login-panel{padding-top:28px}.login-art{min-height:240px}.login-art h1{font-size:44.5px}.page-section-head{flex-direction:column;gap:10px}.page-section-head .primary-action,.page-section-head .secondary-action{width:100%}}
/* Readability pass: UI labels stay compact, operational data remains legible at desktop scale. */
.room-course-meta{font-size:13.7px}.room-course-meta b{font-size:14.8px}.live-state{font-size:11.4px}.room-clock span{font-size:10.3px}.room-clock b{font-size:14.8px}.my-teacher small{font-size:10.3px}.my-teacher b{font-size:12.5px}
.stage-main-copy>span{font-size:11.4px}.stage-main-copy p{font-size:14.8px}.stage-enter b{font-size:13.7px}.stage-enter small{font-size:10.3px}.stage-bottom-copy b{font-size:13.7px}.stage-bottom-copy small{font-size:10.3px}.viewer-pill{font-size:11.4px}.viewer-pill b{font-size:13.7px}
.caption-left b{font-size:13.7px}.caption-left small{font-size:10.3px}.caption-right{font-size:10.3px}.study-card small{font-size:10.3px}.study-card b{font-size:12.5px}.study-card span{font-size:10.3px}
.chat-title b{font-size:16px}.chat-title span{font-size:10.3px}.pin-message{font-size:11.4px;line-height:1.55}.chat-tabs button{font-size:12.5px}.chat-tabs button span{font-size:9.1px}.message{grid-template-columns:30px minmax(0,1fr)}.message-avatar{width:30px;height:30px;font-size:11.4px}.message-meta b{font-size:11.4px}.message-meta span{font-size:9.1px}.message-meta i{font-size:9.1px}.message-bubble{font-size:12.5px;line-height:1.65;padding:8px 10px}.message.system .message-bubble{font-size:10.3px}.notice-card p,.notice-card ul{font-size:11.4px}.notice-card h3{font-size:14.8px}.help-card b{font-size:13.7px}.help-card p{font-size:11.4px}.quick-reactions button{font-size:10.3px}.composer-input input{font-size:12.5px}.chat-foot{font-size:9.1px}
.sidebar-brand b{font-size:16px}.sidebar-brand small{font-size:8px}.nav-label{font-size:9.1px}.side-nav button{font-size:12.5px}.side-live-card p{font-size:11.4px}.side-live-meta{font-size:9.1px}.side-audience,.side-logout{font-size:10.3px}
.topbar-left span{font-size:9.1px}.topbar-left h1{font-size:19.4px}.date-block small{font-size:9.1px}.date-block b{font-size:11.4px}.connection-badge{font-size:10.3px}.user-pill small{font-size:9.1px}.user-pill b{font-size:11.4px}
.hero-label{font-size:10.3px}.hero-info h2{font-size:21.7px}.hero-info p{font-size:11.4px}.hero-meta{font-size:10.3px}.primary-action,.secondary-action,.danger-ghost{font-size:11.4px;height:38px}
.kpi-top>span{font-size:11.4px}.kpi-value strong{font-size:31.9px}.kpi-value span{font-size:10.3px}.kpi-foot small{font-size:9.1px}.trend{font-size:8.5px}.panel-kicker{font-size:8px}.panel-head h3{font-size:16px}.segment button{font-size:10.3px}.data-table{font-size:11.4px}.data-table th{font-size:9.1px}.student-cell b{font-size:11.4px}.student-cell small{font-size:8px}.status-badge{font-size:9.1px}.warming-tag{font-size:6.8px}.table-foot{font-size:8px}.feed-bubble{font-size:10.3px;line-height:1.6}.feed-top b{font-size:10.3px}.feed-top span,.feed-top i{font-size:6.8px}.ranking-item{gap:8px;padding:9px 0}.rank-name b{font-size:10.3px}.rank-name span{font-size:8px}.rank-score strong{font-size:12.5px}.timeline-time{font-size:8px}.timeline-copy b{font-size:9.1px}.timeline-copy span{font-size:8px}
.page-section-head h2{font-size:29.6px}.page-section-head p{font-size:11.4px}.search-box input{font-size:10.3px}.event-copy b{font-size:11.4px}.event-copy p{font-size:9.1px}.event-row time{font-size:9.1px}.event-tag{font-size:8px}.review-banner p{font-size:10.3px}.summary-item span{font-size:9.1px}.summary-item b{font-size:25.1px}.insight-card p{font-size:10.3px}.teacher-head b{font-size:14.8px}.teacher-head span{font-size:9.1px}.teacher-stat-grid span{font-size:8px}.teacher-stat-grid b{font-size:19.4px}.global-kpi span{font-size:9.1px}.global-kpi small{font-size:8px}.teacher-mini-head b{font-size:12.5px}.teacher-mini-stats span{font-size:8px}.teacher-mini-stats b{font-size:16px}
.drawer-section h3{font-size:13.7px}.drawer-section p{font-size:10.3px}.state-row>span:first-child{font-size:10.3px}.small-action{font-size:10.3px;height:32px}.drawer-section textarea{font-size:11.4px}.upload-box{font-size:10.3px}.profile-hero h3{font-size:19.4px}.profile-hero p{font-size:9.1px}.profile-section h4{font-size:10.3px}.profile-grid b{font-size:11.4px}.profile-grid span{font-size:8px}.profile-message{font-size:10.3px}.profile-timeline div{font-size:9.1px}

.head-actions{display:flex;align-items:center;gap:8px}.status-badge.invited{background:#f8f0e2;color:#a17135}.status-badge.invited i{background:#c59658}.student-cell b .manual-tag{display:inline-block;margin-left:4px;font-style:normal;font-size:6.8px;color:#8a6e9c;background:#f0ebf4;padding:2px 3px;border-radius:3px;vertical-align:1px}
.modal-backdrop{position:fixed;inset:0;z-index:90;background:rgba(6,24,20,.38);backdrop-filter:blur(4px)}.add-student-modal{position:fixed;z-index:91;left:50%;top:50%;transform:translate(-50%,-50%);width:min(430px,calc(100vw - 28px));max-height:calc(100dvh - 30px);overflow:auto;background:#fffdf9;border:1px solid rgba(23,60,53,.1);border-radius:18px;box-shadow:0 30px 90px rgba(10,35,28,.24);animation:modalIn .2s ease}@keyframes modalIn{from{opacity:0;transform:translate(-50%,-46%) scale(.98)}}.modal-head{height:70px;display:flex;justify-content:space-between;align-items:center;padding:0 20px;border-bottom:1px solid rgba(23,60,53,.08)}.modal-head span{font-size:6.8px;letter-spacing:1.8px;color:#ad7b3e;font-weight:900}.modal-head h2{font-size:20.5px;margin:4px 0 0;color:var(--ink)}.modal-head>button{width:30px;height:30px;border-radius:50%;border:1px solid rgba(23,60,53,.1);background:#fff;color:#7c8983;font-size:21.7px}.add-student-form{padding:17px 20px 20px}.modal-copy{font-size:10.3px;line-height:1.65;color:#8c918b;background:#f7f3eb;border-radius:8px;padding:10px;margin:0 0 15px}.modal-field{display:block;margin-bottom:13px}.modal-field>span{display:block;font-size:10.3px;font-weight:800;color:#435950;margin:0 3px 6px}.modal-field input,.modal-field select{width:100%;height:42px;border:1px solid rgba(23,60,53,.13);border-radius:8px;background:#fff;padding:0 11px;font-size:12.5px;color:var(--ink);outline:none}.modal-field input:focus,.modal-field select:focus{border-color:#75958a;box-shadow:0 0 0 3px rgba(23,60,53,.06)}.fixed-teacher-card{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px;background:#eef4f0;border:1px solid rgba(23,60,53,.08);border-radius:8px;padding:10px 11px;margin-bottom:13px}.fixed-teacher-card span{font-size:8px;color:#9a9e97}.fixed-teacher-card b{font-size:11.4px;color:var(--ink)}.fixed-teacher-card small{width:100%;font-size:8px;color:#9ca49e}.modal-error{min-height:18px;font-size:10.3px;color:var(--danger);margin:1px 2px 4px}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.modal-actions .primary-action,.modal-actions .secondary-action{min-width:92px}.modal-actions .primary-action:disabled{opacity:.6;cursor:wait}
@media(max-width:600px){.head-actions{width:100%;flex-wrap:wrap}.head-actions>*{flex:1}.add-student-modal{top:auto;bottom:0;transform:translateX(-50%);border-radius:18px 18px 0 0;max-height:88dvh}.modal-head{height:64px}.add-student-form{padding-bottom:25px}}
.modal-field>span i{font-style:normal;font-size:8px;color:#aaa79f;font-weight:500;margin-left:3px}#studentStatusFilter{overflow-x:auto;flex-wrap:nowrap}.teacher-rank-card .teacher-card-actions{display:flex;gap:7px;margin-top:12px}.teacher-rank-card .teacher-card-actions button{flex:1;height:29px;border-radius:7px;border:1px solid rgba(23,60,53,.1);background:#fff;color:#61736b;font-size:8px}.teacher-rank-card .teacher-card-actions button:hover{background:#f5f1e8;color:var(--ink)}
.action-live{display:flex}.action-live-dot{width:6px;height:6px;border-radius:50%;background:#d54b41;box-shadow:0 0 0 4px rgba(213,75,65,.09)}.live-preview-modal{position:fixed;z-index:92;inset:24px;max-width:1320px;max-height:calc(100dvh - 48px);margin:auto;background:#0d2b25;border:1px solid rgba(255,255,255,.08);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 32px 110px rgba(4,20,16,.42)}.preview-head{height:66px;flex:0 0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px;background:#fffdf9;border-bottom:1px solid rgba(23,60,53,.08)}.preview-head>div:first-child span{font-size:6.8px;letter-spacing:1.8px;color:#ad7b3e;font-weight:900}.preview-head h2{font-size:19.4px;margin:3px 0 0;color:var(--ink)}.preview-head-right{display:flex;align-items:center;gap:10px}.preview-live{display:flex;align-items:center;gap:5px;color:#b84c42;background:#fbecea;border-radius:999px;padding:5px 8px;font-size:8px;font-weight:800}.preview-live i{width:5px;height:5px;border-radius:50%;background:#d44d42}.preview-head-right>button{width:30px;height:30px;border-radius:50%;border:1px solid rgba(23,60,53,.1);background:#fff;color:#7d8983;font-size:22.8px}.preview-layout{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 320px}.preview-stage{position:relative;min-height:0;background:#071b17;overflow:hidden}.preview-stage>img,.preview-stage>video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.preview-stage>video{object-fit:contain;background:#000;z-index:2}.preview-shade{position:absolute;inset:0;z-index:3;background:linear-gradient(90deg,rgba(4,23,19,.72),rgba(4,23,19,.18)),linear-gradient(0deg,rgba(4,23,19,.78),transparent 45%);pointer-events:none}.preview-stage-top{position:absolute;z-index:4;left:20px;right:20px;top:17px;display:flex;justify-content:space-between}.preview-stage-top .live-pill{display:inline-flex;align-items:center;gap:5px;background:#d94e44;color:#fff;border-radius:5px;padding:5px 7px;font-size:8px;letter-spacing:1px;font-weight:900}.preview-viewers{display:flex;align-items:center;gap:5px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(10px);border-radius:999px;padding:5px 8px;color:rgba(255,255,255,.7);font-size:8px}.preview-viewers i{width:5px;height:5px;border-radius:50%;background:#48ae85}.preview-viewers b{color:#fff}.preview-stage-copy{position:absolute;z-index:4;left:clamp(28px,5vw,70px);top:48%;transform:translateY(-50%);color:#fff;max-width:560px}.preview-stage-copy>span{font-size:9.1px;letter-spacing:2.4px;color:#e0bc82;font-weight:900}.preview-stage-copy h2{font-size:clamp(25px,3.3vw,48px);line-height:1.18;letter-spacing:-1.3px;margin:10px 0 8px}.preview-stage-copy p{font-size:11.4px;color:rgba(255,255,255,.55);margin:0}.preview-stage-bottom{position:absolute;z-index:4;left:20px;right:20px;bottom:17px;display:flex;justify-content:space-between;align-items:flex-end;color:#fff}.preview-stage-bottom>div{display:flex;flex-direction:column;gap:2px}.preview-stage-bottom b{font-size:12.5px}.preview-stage-bottom small{font-size:8px;color:rgba(255,255,255,.47)}.preview-stage-bottom>span{font:800 11px ui-monospace,Consolas,monospace;color:#e5c593}.preview-ended{position:absolute;z-index:6;inset:0;background:rgba(4,23,19,.82);backdrop-filter:blur(5px);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff}.preview-ended span{font-size:9.1px;letter-spacing:1.6px;color:#dfb778}.preview-ended b{font-size:27.4px;margin-top:8px}.preview-side{min-height:0;display:flex;flex-direction:column;background:#fffdf9}.preview-side-head{height:58px;flex:0 0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 15px;border-bottom:1px solid rgba(23,60,53,.07)}.preview-side-head span{font-size:6.8px;color:#ae7c40;font-weight:900;letter-spacing:1.2px}.preview-side-head h3{font-size:13.7px;margin:3px 0 0;color:var(--ink)}.preview-side-head>b{display:flex;align-items:center;gap:4px;font-size:9.1px;color:#467660}.preview-side-head>b i{width:5px;height:5px;border-radius:50%;background:#3d9b75}.preview-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:10px 12px;background:#faf7f1;border-bottom:1px solid rgba(23,60,53,.06)}.preview-stats div{display:flex;flex-direction:column;gap:3px}.preview-stats span{font-size:6.8px;color:#a2a19a}.preview-stats b{font-size:13.7px;color:#39544a}.preview-feed{flex:1;min-height:0;overflow:auto;padding:11px 13px}.preview-feed-item{display:grid;grid-template-columns:24px minmax(0,1fr);gap:7px;margin-bottom:10px}.preview-feed-avatar{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;color:#fff;font-size:8px;font-weight:800}.preview-feed-copy b{font-size:9.1px;color:#435a50}.preview-feed-copy b span{margin-left:4px;font-size:6.8px;color:#aca9a2;font-weight:500}.preview-feed-copy p{font-size:9.1px;line-height:1.55;color:#667069;background:#f5f1e9;border-radius:2px 7px 7px 7px;padding:6px 7px;margin:4px 0 0}.preview-side-foot{flex:0 0 auto;padding:9px;text-align:center;border-top:1px solid rgba(23,60,53,.07);font-size:6.8px;color:#aaa8a1}@media(max-width:900px){.live-preview-modal{inset:0;max-height:none;border-radius:0}.preview-layout{grid-template-columns:1fr;grid-template-rows:minmax(320px,1fr) 240px}.preview-side{min-height:0}.preview-feed{display:none}.preview-stage-copy h2{font-size:35.3px}.preview-head{height:58px}}@media(max-width:600px){.preview-layout{grid-template-rows:minmax(290px,1fr) 205px}.preview-stage-copy{left:22px;right:18px}.preview-stage-copy h2{font-size:30.8px}.preview-stage-copy p{font-size:9.1px}.preview-stage-top{left:13px;right:13px;top:13px}.preview-stage-bottom{left:13px;right:13px;bottom:12px}.preview-stats{padding:8px 10px}}
.drawer-field{display:block;margin-bottom:10px}.drawer-field>span{display:block;font-size:9.1px;color:#566a61;font-weight:800;margin-bottom:5px}.drawer-field input{width:100%;height:37px;border:1px solid rgba(23,60,53,.12);border-radius:7px;background:#fcfaf6;padding:0 9px;font-size:10.3px;color:var(--ink);outline:none}.drawer-field input:focus{border-color:#78978c;background:#fff}.drawer-field small{display:block;font-size:8px;color:#a4a39d;line-height:1.6;margin-top:4px}.schedule-preview{border-radius:8px;background:#f5efe3;border:1px solid #eadbc3;color:#936c39;padding:8px 9px;font-size:9.1px;margin:8px 0}.settings-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px}.small-action.ghost{color:#9a7770;border-color:rgba(191,81,69,.14);background:#fffaf8}
.preview-stage.has-video .preview-shade{opacity:0}.preview-stage.has-video .preview-stage-copy{display:none}.preview-stage.has-video .preview-stage-bottom{left:14px;right:14px;bottom:14px;padding:7px 10px;border-radius:8px;background:rgba(4,21,17,.68);backdrop-filter:blur(8px)}
.profile-edit-form{display:flex;flex-direction:column;gap:9px}.profile-edit-field{display:flex;flex-direction:column;gap:5px}.profile-edit-field>span,.profile-edit-fixed>span{font-size:8px;color:#929790;font-weight:700}.profile-edit-field input,.profile-edit-field select{width:100%;height:37px;border:1px solid rgba(23,60,53,.12);border-radius:7px;background:#fff;padding:0 9px;font-size:10.3px;color:var(--ink);outline:none}.profile-edit-field input:focus,.profile-edit-field select:focus{border-color:#78978c;box-shadow:0 0 0 3px rgba(23,60,53,.05)}.profile-edit-fixed{display:flex;justify-content:space-between;align-items:center;background:#faf7f1;border-radius:7px;padding:9px}.profile-edit-fixed b{font-size:10.3px;color:#425a50}.profile-edit-error{min-height:15px;font-size:9.1px;color:var(--danger)}.profile-edit-form .primary-action{width:100%}
.course-library-panel{padding:14px}.course-library-preview{margin-bottom:14px;background:#0b211d;border-radius:12px;overflow:hidden}.course-preview-head{height:48px;display:flex;justify-content:space-between;align-items:center;padding:0 13px;background:#fffdf9;border-bottom:1px solid rgba(23,60,53,.07)}.course-preview-head div{display:flex;flex-direction:column;gap:2px}.course-preview-head small{font-size:6.8px;color:#a67a40}.course-preview-head b{font-size:10.3px;color:var(--ink)}.course-preview-head button{border:0;background:transparent;color:#9b7a50;font-size:8px}.course-library-preview video{display:block;width:100%;aspect-ratio:16/9;background:#000}.course-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.course-library-card{border:1px solid rgba(23,60,53,.08);background:#faf7f1;border-radius:11px;overflow:hidden}.course-library-cover{height:100px;position:relative;background:#14362f}.course-library-cover img{width:100%;height:100%;object-fit:cover}.course-library-cover:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,24,20,.72),transparent 62%)}.course-library-cover span{position:absolute;z-index:2;left:9px;bottom:8px;color:#fff;font-size:8px}.course-library-body{padding:11px}.course-library-body h3{font-size:11.4px;line-height:1.5;margin:0;color:var(--ink)}.course-library-meta{display:flex;justify-content:space-between;margin-top:6px;font-size:6.8px;color:#9c9e98}.course-library-actions{display:flex;gap:6px;margin-top:10px}.course-library-actions button{flex:1;height:28px;border:1px solid rgba(23,60,53,.1);border-radius:6px;background:#fff;color:#5e7168;font-size:8px}.course-library-actions button:last-child{color:#a65b50;border-color:rgba(191,81,69,.13)}.course-library-empty{grid-column:1/-1;padding:60px 20px;text-align:center;color:#9ea09a;font-size:10.3px}.course-library-empty b{display:block;color:#4d6359;font-size:14.8px;margin-bottom:6px}@media(max-width:900px){.course-library-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.course-library-grid{grid-template-columns:1fr}.course-library-panel{padding:10px}}
.drawer-field select{width:100%;height:37px;border:1px solid rgba(23,60,53,.12);border-radius:7px;background:#fcfaf6;padding:0 9px;font-size:10.3px;color:var(--ink);outline:none}.publish-course-action{margin-top:8px;background:var(--ink);border-color:var(--ink);color:#fff8e8}.publish-course-action:hover{background:var(--deep)}
.profile-delete-btn{width:100%;height:36px;border:1px solid rgba(191,81,69,.16);border-radius:8px;background:#fff8f6;color:#b25449;font-size:10.3px;font-weight:750}.profile-delete-btn:hover{background:#fff0ed}
.delete-confirm-modal{position:fixed;z-index:96;left:50%;top:50%;transform:translate(-50%,-50%);width:min(390px,calc(100vw - 30px));background:#fffdf9;border:1px solid rgba(191,81,69,.14);border-radius:16px;padding:24px;box-shadow:0 30px 90px rgba(10,35,28,.25);text-align:center}.delete-confirm-icon{width:42px;height:42px;margin:0 auto 12px;border-radius:50%;background:#fceae7;color:#b55348;display:grid;place-items:center;font-size:22.8px;font-weight:900}.delete-confirm-modal h2{font-size:20.5px;margin:0 0 8px;color:var(--ink)}.delete-confirm-modal p{font-size:11.4px;line-height:1.7;color:#7e857f;margin:0 0 5px}.delete-confirm-error{min-height:18px;font-size:9.1px;color:var(--danger)}.delete-confirm-modal .modal-actions{justify-content:center;margin-top:10px}.delete-confirm-submit{min-width:100px;height:36px;border:0;border-radius:8px;background:#b55449;color:#fff;font-size:10.3px;font-weight:750}.delete-confirm-submit:disabled{opacity:.6}
.row-delete{height:25px;border:1px solid rgba(191,81,69,.15);border-radius:5px;background:#fff8f6;color:#ad544a;font-size:8px;padding:0 7px}.row-delete:hover{background:#ffefec}
.refresh-data-btn{height:28px;border:1px solid rgba(23,60,53,.12);background:#fff;border-radius:7px;color:#697b73;display:flex;align-items:center;gap:5px;padding:0 8px;font-size:8px}.refresh-data-btn:hover{background:#f7f3ec;color:var(--ink)}.refresh-data-btn svg{width:12px;height:12px}
.teacher-card-actions{flex-wrap:wrap}.teacher-card-actions button{min-width:calc(50% - 4px)}
.focus-field{margin-top:10px}
.rank-sort-control{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid rgba(23,60,53,.11);border-radius:8px;padding:0 8px;height:38px}.rank-sort-control span{font-size:8px;color:#979a94;white-space:nowrap}.rank-sort-control select{border:0;background:transparent;color:#40574e;font-size:9.1px;outline:none}.teacher-rank-no{position:absolute;left:15px;bottom:13px;font:800 7px ui-monospace,Consolas,monospace;color:#a87a41;background:#f6ead8;border-radius:4px;padding:3px 5px}@media(max-width:600px){.rank-sort-control{width:100%;justify-content:space-between}}
.preview-chat-form{flex:0 0 auto;display:flex;gap:6px;padding:8px 10px;border-top:1px solid rgba(23,60,53,.07)}.preview-chat-form input{flex:1;min-width:0;height:34px;border:1px solid rgba(23,60,53,.12);border-radius:8px;padding:0 9px;font-size:9.1px;color:var(--ink);background:#fff;outline:none}.preview-chat-form input:focus{border-color:#78978c;box-shadow:0 0 0 3px rgba(23,60,53,.05)}.preview-chat-form button{width:34px;height:34px;border:0;border-radius:8px;background:var(--ink);color:#fff;display:grid;place-items:center}.preview-chat-form button svg{width:14px;height:14px}.preview-chat-form button:disabled,.preview-chat-form input:disabled{opacity:.45}
.brand-settings-panel{max-width:680px;padding:22px}.brand-settings-preview{display:flex;align-items:center;gap:14px;background:#f7f3eb;border:1px solid rgba(23,60,53,.07);border-radius:12px;padding:16px;margin-bottom:18px}.brand-settings-preview .brand-mark{width:56px;height:56px;border-radius:16px}.brand-settings-preview>div{display:flex;flex-direction:column;gap:4px}.brand-settings-preview small{font-size:8px;color:#999b95}.brand-settings-preview b{font-size:22.8px;color:var(--ink);letter-spacing:2px}.brand-settings-form .primary-action{min-width:150px;margin-top:4px}.brand-mark img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.student-cell b .guest-tag{display:inline-block;margin-left:4px;font-style:normal;font-size:6.8px;color:#537b92;background:#e9f1f6;padding:2px 3px;border-radius:3px;vertical-align:1px}
.scheduled-lives{margin-top:14px;border-top:1px solid rgba(23,60,53,.07);padding-top:12px}.scheduled-lives-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.scheduled-lives-head span{font-size:9.1px;font-weight:800;color:#445a50}.scheduled-lives-head small{font-size:6.8px;color:#a5a29b}.scheduled-live-item{border:1px solid rgba(23,60,53,.08);background:#faf7f1;border-radius:8px;padding:8px;margin-bottom:6px}.scheduled-live-title{display:flex;justify-content:space-between;gap:6px}.scheduled-live-title b{font-size:8px;color:#3e574d;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.scheduled-live-title span{font-size:6.8px;color:#a47238;white-space:nowrap}.scheduled-live-meta{font-size:6.8px;color:#9e9f98;margin-top:4px}.scheduled-live-actions{display:flex;gap:5px;margin-top:6px}.scheduled-live-actions button{flex:1;height:24px;border:1px solid rgba(23,60,53,.1);border-radius:5px;background:#fff;color:#61736a;font-size:6.8px}.scheduled-live-empty{padding:9px;text-align:center;font-size:8px;color:#aaa8a1}
.schedule-bar{margin-top:14px;background:var(--paper);border:1px solid rgba(23,60,53,.085);border-radius:14px;padding:12px 14px;box-shadow:0 7px 24px rgba(26,52,44,.035)}.schedule-bar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.schedule-bar-head h3{font-size:13.7px;margin:0;color:var(--ink)}.schedule-strip{display:flex;gap:9px;overflow-x:auto;padding-bottom:2px}.schedule-card{min-width:245px;max-width:300px;border:1px solid rgba(23,60,53,.08);background:#faf7f1;border-radius:9px;padding:10px}.schedule-card-top{display:flex;justify-content:space-between;gap:7px}.schedule-card-top b{font-size:9.1px;color:#3d584e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.schedule-card-top span{font-size:6.8px;color:#a26f35;white-space:nowrap}.schedule-card-time{font:700 8px ui-monospace,Consolas,monospace;color:#718079;margin-top:6px}.schedule-card-actions{display:flex;gap:5px;margin-top:8px}.schedule-card-actions button{flex:1;height:25px;border:1px solid rgba(23,60,53,.1);border-radius:5px;background:#fff;color:#61736a;font-size:6.8px}.schedule-strip-empty{font-size:9.1px;color:#a7a49d;padding:12px 2px}
.teacher-review-section{margin-top:12px}.teacher-review-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:13px}.teacher-review-group{border:1px solid rgba(23,60,53,.08);border-radius:10px;background:#faf7f1;overflow:hidden}.teacher-review-group-head{display:flex;justify-content:space-between;align-items:center;padding:10px 11px;border-bottom:1px solid rgba(23,60,53,.06)}.teacher-review-group-head b{font-size:10.3px;color:#3d584e}.teacher-review-group-head span{font-size:6.8px;color:#a27840}.teacher-review-student{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:8px 11px;border-bottom:1px solid rgba(23,60,53,.045)}.teacher-review-student:last-child{border-bottom:0}.teacher-review-student b{font-size:9.1px;color:#4b6158}.teacher-review-student small{display:block;margin-top:3px;font-size:6.8px;color:#9fa099}.teacher-review-score{text-align:right}.teacher-review-score strong{font-size:12.5px;color:#a77436}.teacher-review-score small{display:block;font-size:5.7px;color:#aaa8a1}.review-empty{padding:16px;text-align:center;font-size:8px;color:#aaa8a1}@media(max-width:700px){.teacher-review-groups{grid-template-columns:1fr}}
.change-password-btn{height:30px;border:1px solid rgba(23,60,53,.12);border-radius:7px;background:#fff;color:#60736a;display:flex;align-items:center;gap:5px;padding:0 9px;font-size:8px;font-weight:700}.change-password-btn:hover{background:#f7f3ec;color:var(--ink)}.change-password-btn svg{width:13px;height:13px}.password-modal{width:min(410px,calc(100vw - 28px))}@media(max-width:600px){.change-password-btn span{display:none}.change-password-btn{width:30px;padding:0;justify-content:center}}
/* Unified console login and super-admin permissions. */
.teacher-rank-card .teacher-card-actions button:disabled{opacity:.65;cursor:not-allowed;background:#f3f0e9;color:#8f938d}
/* Replay publishing */
.replay-publish-panel{margin-bottom:14px}.replay-publish-copy{font-size:10.3px;line-height:1.7;color:#858b85;margin:0;padding:0 16px 12px}.replay-publish-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:0 16px 16px}.replay-publish-item{display:flex;gap:11px;padding:10px;border:1px solid rgba(23,60,53,.09);border-radius:11px;background:#faf8f3;min-width:0}.replay-publish-cover{position:relative;width:112px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:#173c35;flex:0 0 auto}.replay-publish-cover img{width:100%;height:100%;object-fit:cover}.replay-publish-cover span{position:absolute;left:6px;bottom:6px;padding:3px 6px;border-radius:999px;background:rgba(3,18,15,.72);color:#fff;font-size:6.8px}.replay-publish-main{min-width:0;display:flex;flex-direction:column;justify-content:space-between;gap:7px}.replay-publish-title{display:flex;align-items:center;gap:7px;min-width:0}.replay-publish-title h4{font-size:12.5px;color:var(--ink);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.replay-state{flex:0 0 auto;padding:3px 6px;border-radius:999px;background:#efebe3;color:#8a8e87;font-size:6.8px}.replay-state.published{background:#e7f2ec;color:#32795f}.replay-publish-main p{font-size:8px;color:#969b95;margin:0}.replay-publish-actions{display:flex;flex-wrap:wrap;gap:5px}.replay-publish-btn{height:25px;padding:0 8px;border:1px solid rgba(23,60,53,.12);border-radius:6px;background:var(--ink);color:#fff8e9;font-size:8px}.replay-publish-btn.secondary{background:#fff;color:#53665e}.replay-publish-btn.danger{background:#fff;color:#b45449;border-color:rgba(180,84,73,.18)}.replay-publish-btn:hover{filter:brightness(.97)}.replay-publish-empty{grid-column:1/-1;padding:28px 12px;text-align:center;color:#999d98;font-size:9.1px}.replay-publish-empty b{display:block;color:#56685f;font-size:12.5px;margin-bottom:5px}@media(max-width:900px){.replay-publish-list{grid-template-columns:1fr}.replay-publish-cover{width:96px}}
.teacher-role-control{flex:1 1 100%;display:flex;align-items:center;gap:7px;padding:6px 8px;border:1px solid rgba(23,60,53,.09);border-radius:7px;background:#f7f4ed}.teacher-role-control>span{font-size:8px;color:#858c86;white-space:nowrap}.teacher-role-control select{flex:1;height:26px;border:1px solid rgba(23,60,53,.12);border-radius:6px;background:#fff;color:#40564d;font-size:9.1px;padding:0 7px;outline:none}
/* Settings center */
.side-settings{width:100%;height:35px;margin-top:7px;border:1px solid rgba(231,211,173,.16);border-radius:8px;background:rgba(255,255,255,.055);color:rgba(255,255,255,.72);display:flex;align-items:center;justify-content:center;gap:7px;font-size:9.1px}.side-settings:hover{background:rgba(255,255,255,.1);color:#f4d7a8}.side-settings svg{width:14px;height:14px}
.user-pill{border:0;background:transparent;padding:0;color:inherit;cursor:pointer}.user-pill:hover #userName{color:var(--gold-deep)}.user-pill-arrow{width:12px;height:12px;color:#a4a69f;margin-left:2px}.user-pill>span:first-child{overflow:hidden}.user-pill>span:first-child img,.profile-avatar-large img{width:100%;height:100%;object-fit:cover;display:block}
.settings-shell{display:grid;grid-template-columns:210px minmax(0,1fr);gap:15px;align-items:start}.settings-menu{padding:10px;border:1px solid rgba(23,60,53,.09);border-radius:16px;background:#fffdf8;box-shadow:0 12px 34px rgba(24,49,41,.06);position:sticky;top:12px}.settings-menu button{width:100%;height:39px;border:0;border-radius:9px;background:transparent;color:#758079;display:flex;align-items:center;gap:9px;padding:0 11px;font-size:10.3px;text-align:left}.settings-menu button svg{width:15px;height:15px}.settings-menu button:hover{background:#f6f2e9;color:var(--ink)}.settings-menu button.active{background:var(--ink);color:#fff5e2;box-shadow:0 8px 20px rgba(23,60,53,.16)}.settings-menu-label{display:block;margin:16px 11px 6px;font-size:6.8px;letter-spacing:1.5px;color:#b28a54;font-weight:900}.settings-main{min-width:0}.settings-panel{display:none}.settings-panel.active{display:block}.settings-panel>.settings-panel-head,.settings-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:15px 17px;border-bottom:1px solid rgba(23,60,53,.07)}.settings-panel-head.compact{padding:0 0 12px}.settings-panel-head>div>span{font-size:6.8px;letter-spacing:1.7px;color:#a4773b;font-weight:900}.settings-panel-head h3{font-size:19.4px;margin:4px 0 3px;color:var(--ink)}.settings-panel-head p{font-size:9.1px;line-height:1.6;color:#93978f;margin:0;max-width:620px}.settings-role-badge{flex:0 0 auto;padding:6px 9px;border-radius:999px;background:#f2ece1;color:#8c6a3c;font-size:8px;font-weight:850}.settings-role-badge.super{background:#e7f1ec;color:#2e755b}.settings-head-actions{display:flex;gap:7px}.settings-head-actions button{height:31px;font-size:8px}.profile-settings-card{display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px;padding:22px;margin:14px;border:1px solid rgba(23,60,53,.08);border-radius:14px;background:#faf8f3}.profile-avatar-editor{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;border-right:1px solid rgba(23,60,53,.08);padding-right:20px}.profile-avatar-large{width:84px;height:84px;border-radius:50%;background:linear-gradient(135deg,#d4ad76,#97703d);color:#fff;display:grid;place-items:center;font-size:27.4px;font-weight:850;box-shadow:inset 0 0 0 3px rgba(255,255,255,.38),0 12px 25px rgba(57,70,62,.15);overflow:hidden}.profile-avatar-upload{height:27px;padding:0 10px;border:1px solid rgba(23,60,53,.12);border-radius:7px;background:#fff;color:#52675e;display:flex;align-items:center;font-size:8px;cursor:pointer}.profile-avatar-upload input{display:none}.profile-avatar-editor small{font-size:6.8px;color:#aaa8a1;text-align:center}.profile-form{display:flex;flex-direction:column;gap:11px;justify-content:center}.settings-field{display:block}.settings-field>span{display:block;margin:0 2px 6px;font-size:9.1px;font-weight:800;color:#42564f}.settings-field input{width:100%;height:39px;border:1px solid rgba(23,60,53,.12);border-radius:8px;background:#fff;padding:0 11px;color:var(--ink);font-size:11.4px;outline:none}.settings-field input:focus{border-color:#75958a;box-shadow:0 0 0 3px rgba(23,60,53,.06)}.settings-field input[readonly]{background:#f2efe8;color:#8c918b}.settings-form-actions{display:flex;align-items:center;gap:10px}.settings-form-actions button{height:33px;font-size:9.1px}.settings-form-actions span{font-size:8px;color:#398064}.settings-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;padding:0 14px 15px}.settings-stat-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr));padding:12px 16px}.settings-stat-grid article{padding:13px;border:1px solid rgba(23,60,53,.08);border-radius:10px;background:#fffdf9}.settings-stat-grid span{display:block;font-size:8px;color:#8f948d}.settings-stat-grid b{display:block;margin:5px 0 2px;font-size:23.9px;color:var(--ink);letter-spacing:-.7px}.settings-stat-grid small{font-size:6.8px;color:#aaa9a3}.security-setting-card{display:flex;align-items:center;gap:12px;margin:13px 15px;padding:15px;border:1px solid rgba(23,60,53,.08);border-radius:11px;background:#faf8f3}.security-icon{width:38px;height:38px;border-radius:10px;background:#f1e8d9;color:#9b6d31;display:grid;place-items:center;flex:0 0 auto}.security-icon.safe{background:#e8f2ed;color:#33795e}.security-icon svg{width:18px;height:18px}.security-setting-card>div:nth-child(2){flex:1}.security-setting-card b{font-size:11.4px;color:var(--ink)}.security-setting-card p{font-size:8px;line-height:1.6;color:#93978f;margin:4px 0 0}.security-setting-card button{height:31px;font-size:8px}.security-status{padding:4px 8px;border-radius:999px;background:#e7f2ec;color:#33795e;font-size:8px;font-weight:800}
.settings-student-list,.settings-access-list{display:flex;flex-direction:column;padding:0 15px 15px}.settings-student-row,.settings-access-row{display:flex;align-items:center;gap:10px;padding:10px 4px;border-bottom:1px solid rgba(23,60,53,.055)}.settings-student-row:last-child,.settings-access-row:last-child{border-bottom:0}.settings-student-avatar{width:30px;height:30px;border-radius:9px;color:#fff;display:grid;place-items:center;font-size:9.1px;font-weight:850;flex:0 0 auto}.settings-student-row>div,.settings-access-row>div{flex:1;min-width:0}.settings-student-row b,.settings-access-row b{display:block;font-size:10.3px;color:#486057;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.settings-student-row small,.settings-access-row small{display:block;margin-top:3px;font-size:6.8px;color:#9ca19b}.settings-student-score{text-align:right;font-size:14.8px;font-weight:850;color:#a9773a}.settings-student-score small{display:block;font-size:5.7px;color:#aaa8a1;font-weight:500}.settings-access-role{padding:4px 8px;border-radius:999px;background:#f0ede6;color:#7e837d;font-size:8px}.settings-access-role.manager{background:#eef3e8;color:#5c7d43}.settings-access-role.super{background:#e7f1ec;color:#2e755b}.settings-empty{padding:30px;text-align:center;color:#9da19b;font-size:9.1px}.school-settings-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(240px,.65fr);gap:13px;padding:14px}.school-brand-card{border:1px solid rgba(23,60,53,.08);border-radius:12px;padding:14px;background:#faf8f3}.school-brand-card .brand-settings-preview{margin:0 0 12px}.school-brand-card .brand-settings-form{padding:0}.school-overview-stack{display:grid;grid-template-columns:1fr 1fr;gap:9px}.school-overview-card{padding:13px;border:1px solid rgba(23,60,53,.08);border-radius:11px;background:#fffdf9}.school-overview-card span{font-size:8px;color:#8f948d}.school-overview-card b{display:block;margin:5px 0 2px;font-size:26.2px;color:var(--ink)}.school-overview-card small{font-size:6.8px;color:#aaa9a3}.settings-super-only[hidden],.settings-teacher-only[hidden]{display:none!important}@media(max-width:980px){.settings-shell{grid-template-columns:1fr}.settings-menu{position:static;display:flex;overflow-x:auto;gap:4px}.settings-menu button{width:auto;min-width:110px;justify-content:center}.settings-menu-label{display:none}.profile-settings-card{grid-template-columns:1fr}.profile-avatar-editor{border-right:0;border-bottom:1px solid rgba(23,60,53,.08);padding:0 0 16px}.settings-stat-grid{grid-template-columns:repeat(2,1fr)}.school-settings-grid{grid-template-columns:1fr}.settings-panel-head{flex-wrap:wrap}.settings-head-actions{width:100%}.settings-head-actions button{flex:1}}@media(max-width:600px){.settings-stat-grid,.settings-stat-grid.compact,.school-overview-stack{grid-template-columns:1fr 1fr}.settings-menu button{min-width:92px;font-size:9.1px}.profile-settings-card{padding:15px}.settings-panel>.settings-panel-head{padding:13px}.user-pill-arrow{display:none}}

/* Course metadata editing */
.modal-field textarea{width:100%;border:1px solid rgba(23,60,53,.13);border-radius:8px;background:#fff;padding:10px 11px;font-size:12.5px;color:var(--ink);outline:none;resize:vertical;line-height:1.6}.modal-field textarea:focus{border-color:#75958a;box-shadow:0 0 0 3px rgba(23,60,53,.06)}.course-library-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:8px;line-height:1.55;color:#939890;margin:5px 0 1px;min-height:21px}.course-edit-cover-preview{position:relative;width:100%;aspect-ratio:16/7;border-radius:9px;overflow:hidden;background:#173c35;margin:2px 0 10px}.course-edit-cover-preview img{width:100%;height:100%;object-fit:cover}.course-edit-cover-preview span{position:absolute;left:8px;bottom:8px;padding:3px 7px;border-radius:999px;background:rgba(3,18,15,.7);color:#fff;font-size:8px}
/* Paid course assignment */
.course-library-actions .paid-action{background:#fff5e5;border-color:rgba(171,119,48,.22);color:#996928}.course-assign-modal{width:min(520px,calc(100vw - 28px))}.assign-course-toolbar{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;margin-bottom:8px;border-radius:8px;background:#f7f3eb;color:#6d7971;font-size:9.1px}.assign-course-toolbar label{display:flex;align-items:center;gap:6px}.assign-course-toolbar input{accent-color:var(--ink)}.assign-student-list{max-height:310px;overflow:auto;border:1px solid rgba(23,60,53,.09);border-radius:9px}.assign-student-row{display:flex;align-items:center;gap:9px;padding:9px 11px;border-bottom:1px solid rgba(23,60,53,.055);cursor:pointer}.assign-student-row:last-child{border-bottom:0}.assign-student-row input{accent-color:var(--ink);flex:0 0 auto}.assign-student-row>span:last-child{min-width:0}.assign-student-row b{display:block;font-size:10.3px;color:#425a50}.assign-student-row small{display:block;margin-top:3px;font-size:6.8px;color:#979d97}
.course-study-modal{width:min(720px,calc(100vw - 28px));max-height:calc(100dvh - 30px)}.course-study-body{padding:14px 17px 18px;overflow:auto}.course-study-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:12px}.course-study-summary>div{padding:11px;border:1px solid rgba(23,60,53,.08);border-radius:9px;background:#faf7f1}.course-study-summary span{font-size:8px;color:#949991}.course-study-summary b{font-size:22.8px;color:var(--ink);margin:0 3px}.course-study-summary small{font-size:6.8px;color:#aaa9a2}.course-study-list{display:flex;flex-direction:column;gap:9px}.course-study-student{border:1px solid rgba(23,60,53,.09);border-radius:10px;overflow:hidden}.course-study-student-head{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;background:#f7f3eb}.course-study-student-head b{font-size:10.3px;color:#40584e}.course-study-student-head span{font-size:6.8px;color:#a17740}.course-study-date{display:grid;grid-template-columns:82px 1fr 1fr auto auto;align-items:center;gap:8px;padding:9px 12px;border-top:1px solid rgba(23,60,53,.05);font-size:8px;color:#7f8982}.course-study-date time{font-weight:800;color:#52675e}.course-study-date .done{color:#2f7c60;font-weight:800}.course-study-date small{color:#a3a59f}@media(max-width:700px){.course-study-date{grid-template-columns:1fr 1fr}.course-study-date small{grid-column:1/-1}.course-study-summary{grid-template-columns:1fr 1fr 1fr}.assign-student-list{max-height:42dvh}}
/* FONT SCALE 1.14 APPLIED */

.course-cover-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s;background:#132f29;z-index:1}.course-library-card.previewing .course-cover-video{opacity:1}.course-library-cover .course-cover-label{z-index:2}.course-library-cover .course-cover-hint{position:absolute;z-index:3;right:8px;top:8px;left:auto;bottom:auto;padding:3px 7px;border-radius:999px;background:rgba(4,18,15,.68);color:rgba(255,255,255,.85);opacity:0;transition:opacity .2s}.course-library-card:hover .course-cover-hint{opacity:1}
.course-title-input-row{display:flex;gap:7px;align-items:center}.course-title-input-row input{flex:1;min-width:0}.course-title-input-row button{height:42px;flex:0 0 auto;padding:0 11px;border:1px solid rgba(23,60,53,.13);border-radius:8px;background:#f7f3eb;color:#52675e;font-size:8px;font-weight:750}.course-title-input-row button:hover{background:#efe8dc;color:var(--ink)}
.upload-task-panel{position:fixed;z-index:120;right:18px;bottom:18px;width:min(370px,calc(100vw - 24px));border:1px solid rgba(23,60,53,.13);border-radius:15px;background:#fffdf9;box-shadow:0 20px 60px rgba(8,31,25,.25);overflow:hidden}.upload-task-panel.done{border-color:rgba(50,121,94,.28)}.upload-task-head{display:flex;justify-content:space-between;align-items:center;padding:12px 13px;background:linear-gradient(135deg,#173c35,#24594d);color:#fff}.upload-task-head>div:first-child{display:flex;align-items:center;gap:9px;min-width:0}.upload-task-head b{display:block;font-size:10px;color:#fff}.upload-task-head small{display:block;font-size:7px;color:rgba(255,255,255,.62);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}.upload-task-spinner{width:13px;height:13px;border:2px solid rgba(255,255,255,.25);border-top-color:#f0d09c;border-radius:50%;animation:uploadSpin .9s linear infinite;flex:0 0 auto}.upload-task-panel.done .upload-task-spinner{animation:none;border-color:#78c3a5;border-top-color:#78c3a5}.upload-task-head-actions{display:flex;gap:4px}.upload-task-head-actions button{width:24px;height:24px;border:1px solid rgba(255,255,255,.16);border-radius:6px;background:rgba(255,255,255,.08);color:#fff;font-size:14px;line-height:1}.upload-task-list{max-height:300px;overflow:auto;padding:6px 11px 10px}.upload-task-panel.collapsed .upload-task-list{display:none}.upload-task-item{padding:9px 2px;border-bottom:1px solid rgba(23,60,53,.06)}.upload-task-item:last-child{border-bottom:0}.upload-task-row{display:flex;justify-content:space-between;align-items:center;gap:8px}.upload-task-row b{font-size:8px;color:#40584e;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upload-task-row span{font-size:7px;color:#a47539;white-space:nowrap}.upload-task-bar{height:5px;margin:6px 0 4px;border-radius:999px;background:#ece8df;overflow:hidden}.upload-task-bar i{display:block;height:100%;background:linear-gradient(90deg,#d6a55e,#b8782b);transition:width .25s}.upload-task-item.completed .upload-task-bar i{background:#40906f}.upload-task-item.failed .upload-task-bar i{background:#bf5d50}.upload-task-item small{display:block;font-size:6px;color:#9ca09a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upload-task-item button{margin-top:6px;height:24px;padding:0 8px;border:1px solid rgba(23,60,53,.12);border-radius:6px;background:#fff;color:#53675e;font-size:7px}@media(max-width:600px){.upload-task-panel{right:10px;bottom:10px;width:calc(100vw - 20px)}.upload-task-list{max-height:38dvh}}

@keyframes uploadSpin{to{transform:rotate(360deg)}}
.upload-task-actions{display:flex;gap:6px;margin-top:6px}.upload-task-actions button{margin-top:0}.upload-task-item.canceled .upload-task-row span{color:#8f938d}.upload-task-item.canceled .upload-task-bar i{background:#aaa7a0}.upload-task-panel.collapsed{width:min(330px,calc(100vw - 24px))}

.live-rooms-bar{margin-top:14px;background:linear-gradient(135deg,#fbf8f1,#f5f8f4);border-color:rgba(23,60,53,.12)}.live-rooms-bar h3 em{display:inline-flex;min-width:20px;height:20px;align-items:center;justify-content:center;margin-left:6px;border-radius:999px;background:#1f5a4b;color:#fff;font-style:normal;font-size:8px}.live-rooms-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}.live-room-card{border:1px solid rgba(23,60,53,.1);background:#fff;border-radius:11px;padding:12px;box-shadow:0 5px 18px rgba(25,55,47,.04)}.live-room-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.live-room-card-top b{font-size:10.5px;color:#2f5146;line-height:1.35}.live-room-live{display:inline-flex;align-items:center;gap:4px;color:#b4493f;font-size:7.5px;font-weight:800;white-space:nowrap}.live-room-live i{width:5px;height:5px;border-radius:50%;background:#e05b50;box-shadow:0 0 0 3px rgba(224,91,80,.12)}.live-room-creator{display:inline-flex;align-items:center;gap:5px;margin-top:8px;padding:4px 7px;border-radius:999px;background:#eef5f1;color:#42665a;font-size:7.5px;font-weight:700}.live-room-creator span{color:#8a9b94;font-weight:500}.live-room-meta{display:flex;justify-content:space-between;gap:8px;margin-top:8px;color:#89978f;font-size:7.5px}.live-room-meta strong{color:#3e5f54;font-size:8.5px}.live-room-actions{display:flex;gap:6px;margin-top:10px}.live-room-actions button{flex:1;height:27px;border:1px solid rgba(23,60,53,.12);border-radius:6px;background:#fbfcfb;color:#526e63;font-size:7.5px;font-weight:700}.live-room-actions button.danger{color:#b14a42;background:#fff7f5;border-color:#efd8d3}.live-rooms-empty{padding:18px;text-align:center;color:#9ca8a1;font-size:8.5px;border:1px dashed rgba(23,60,53,.13);border-radius:9px;background:rgba(255,255,255,.55)}@media(max-width:760px){.live-rooms-grid{grid-template-columns:1fr}.live-room-actions{flex-wrap:wrap}}
.preview-room-picker{display:flex;align-items:center;gap:7px;padding:5px 8px;border:1px solid rgba(23,60,53,.1);border-radius:8px;background:#faf7f1}.preview-room-picker span{font-size:7px;color:#9b7b50;font-weight:800;white-space:nowrap}.preview-room-picker select{max-width:230px;border:0;background:transparent;color:#36574c;font-size:8px;font-weight:700;outline:none;cursor:pointer}@media(max-width:760px){.preview-room-picker span{display:none}.preview-room-picker select{max-width:155px}}
.preview-room-toolbar{flex:0 0 auto;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 14px;background:#f7f3eb;border-bottom:1px solid rgba(23,60,53,.08);color:#41594f}.preview-room-toolbar>div:first-child{display:flex;align-items:center;gap:8px;min-width:0}.preview-room-toolbar b{font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-room-toolbar span{font-size:7px;color:#8d9a93;white-space:nowrap}.preview-room-toolbar-actions{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}.preview-room-toolbar-actions button{height:26px;padding:0 9px;border:1px solid rgba(23,60,53,.12);border-radius:6px;background:#fff;color:#526b60;font-size:7px;font-weight:700}.preview-room-toolbar-actions button.danger{color:#b44b42;background:#fff7f5;border-color:#efd7d2}@media(max-width:760px){.preview-room-toolbar{align-items:flex-start;flex-direction:column}.preview-room-toolbar-actions{width:100%;justify-content:flex-start}.preview-room-toolbar-actions button{flex:1;min-width:calc(50% - 5px)}}
#previewVideo::-webkit-media-controls,#previewVideo::-webkit-media-controls-enclosure,#previewVideo::-webkit-media-controls-panel{display:none!important;appearance:none!important}

#previewVideo{pointer-events:none!important}

body.restoring-session{background:#071b17}body.restoring-session #loginScreen{display:none!important}body.restoring-session::after{content:'正在恢复直播工作台…';position:fixed;z-index:99999;left:50%;top:50%;transform:translate(-50%,-50%);padding:16px 22px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#f2e5ca;font-size:12px;letter-spacing:.5px;box-shadow:0 20px 60px rgba(0,0,0,.22)}

.review-session-detail{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:12px;position:relative;z-index:1}.review-session-detail>span{display:flex;flex-direction:column;gap:3px;min-width:110px}.review-session-detail small{font-size:7px;color:rgba(255,255,255,.43);letter-spacing:.8px}.review-session-detail b{font-size:10px;color:#f5e7ce;letter-spacing:0;font-weight:750}@media(max-width:600px){.review-session-detail{gap:7px 12px}.review-session-detail>span{min-width:calc(50% - 6px)}}

#studentsPage .toolbar{flex-wrap:wrap}#studentsPage .rank-sort-control{height:32px}@media(max-width:700px){#studentsPage .rank-sort-control{width:100%;justify-content:space-between}#studentsPage .search-box{width:100%}}

/* Course series */
.series-library-panel{margin-bottom:14px}.series-library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px 13px;border-bottom:1px solid rgba(23,60,53,.06)}.series-library-toolbar p{font-size:9.1px;color:#8e948e;margin:0}.series-library-toolbar button{height:32px;font-size:9.1px}.series-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;padding:14px}.series-library-card{border:1px solid rgba(23,60,53,.09);border-radius:12px;background:#faf8f3;padding:13px;min-width:0}.series-library-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.series-library-card-head h4{font-size:12.5px;color:var(--ink);margin:0;line-height:1.4}.series-series-type{flex:0 0 auto;padding:3px 7px;border-radius:999px;background:#e7f2ec;color:#32795f;font-size:7px;font-weight:800}.series-series-type.paid{background:#fff0d9;color:#9c6827}.series-library-card p{font-size:8px;line-height:1.6;color:#90968f;margin:7px 0;min-height:25px}.series-library-stats{display:flex;gap:12px;font-size:8px;color:#7f8982}.series-library-stats b{color:#3e5a50}.series-library-lessons{margin-top:10px;display:flex;flex-direction:column;gap:5px;max-height:150px;overflow:auto}.series-library-lesson{display:flex;align-items:center;gap:7px;padding:6px 7px;border-radius:7px;background:#fff;font-size:8px;color:#576a61}.series-library-lesson i{width:18px;height:18px;border-radius:5px;background:#efe8da;color:#966c36;display:grid;place-items:center;font-style:normal;font-size:7px;font-weight:800;flex:0 0 auto}.series-library-lesson span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.series-library-actions{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}.series-library-actions button{height:25px;padding:0 8px;border:1px solid rgba(23,60,53,.12);border-radius:6px;background:#fff;color:#53665e;font-size:8px}.series-library-actions .primary{background:var(--ink);color:#fff8e9}.series-library-actions .danger{color:#b45449;border-color:rgba(180,84,73,.18)}.series-library-empty{padding:26px;text-align:center;color:#9a9e98;font-size:9.1px}.series-lesson-picker-head{display:flex;justify-content:space-between;gap:8px;margin:5px 0 7px;font-size:9.1px;color:#51675e}.series-lesson-picker-head small{font-size:7px;color:#9da09a}.series-lesson-picker{max-height:260px;overflow:auto;border:1px solid rgba(23,60,53,.09);border-radius:9px}.series-lesson-choice{display:grid;grid-template-columns:auto minmax(0,1fr) 58px;gap:8px;align-items:center;padding:9px 10px;border-bottom:1px solid rgba(23,60,53,.055);font-size:9.1px;color:#4c6359}.series-lesson-choice:last-child{border-bottom:0}.series-lesson-choice input[type=checkbox]{accent-color:var(--ink)}.series-lesson-choice span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.series-lesson-choice input[type=number]{height:27px;border:1px solid rgba(23,60,53,.12);border-radius:6px;background:#fff;padding:0 5px;font-size:9px;color:#53665e}@media(max-width:980px){.series-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.series-library-grid{grid-template-columns:1fr}.series-library-toolbar{align-items:flex-start;flex-direction:column}.series-library-toolbar button{width:100%}.series-lesson-choice{grid-template-columns:auto minmax(0,1fr) 52px}}

.course-series-tag{display:inline-flex;margin:6px 0 0;padding:3px 7px;border-radius:999px;background:#efe8da;color:#94662d;font-size:7px;font-weight:800}

.course-series-tag.cloud-processing{background:#e8f1fb;color:#2e6492}.course-series-tag.cloud-failed{background:#fbeceb;color:#a94f46}