:root{color:#172554;font-synthesis:none;--navy:#172554;--indigo:#4f46e5;--teal:#0f766e;--amber:#fbbf24;--muted:#66738d;--line:#e3e8f2;--radius:18px;background:#f7f9fe;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a{color:var(--indigo);text-decoration:none}a:hover{text-decoration:underline}button{color:inherit}img{max-width:100%}h1,h2,h3,p{margin:0}h1{letter-spacing:-.045em}h2{letter-spacing:-.025em;font-size:22px}h3{font-size:16px}p{line-height:1.6}strong{font-weight:650}button:focus-visible,a:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #818cf8}input:focus,textarea:focus,select:focus{border-color:var(--indigo);outline:3px solid #c7d2fe}label{flex-direction:column;gap:8px;font-size:14px;font-weight:600;display:flex}input,select,textarea{width:100%;color:var(--navy);background:#fff;border:1px solid #d7deec;border-radius:10px;min-height:46px;padding:13px 14px}textarea{resize:vertical;line-height:1.55}input::placeholder,textarea::placeholder{color:#8c96ac}input[type=checkbox]{width:22px;height:22px;min-height:22px;accent-color:var(--indigo)}form{gap:18px;display:grid}svg{flex-shrink:0}.muted{color:var(--muted)}.small-text{font-size:13px;line-height:1.5}.eyebrow{color:var(--muted);letter-spacing:.14em;align-items:center;gap:8px;font-size:11px;font-weight:650;display:inline-flex}.brand{color:var(--navy);letter-spacing:-1px;align-items:center;gap:10px;font-size:28px;font-weight:730;display:flex}.brand.small{gap:8px;font-size:23px}.brand-accent{font-weight:460}.button{white-space:nowrap;border:1px solid #0000;border-radius:11px;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:11px 17px;font-size:14px;font-weight:620;transition:background .15s,box-shadow .15s;display:inline-flex;text-decoration:none!important}.button.primary{background:var(--indigo);color:#fff;box-shadow:0 4px 10px #4f46e518}.button.primary:hover:not(:disabled){background:#4338ca}.button.secondary{background:#fff;border-color:#dce3f0}.button.secondary:hover:not(:disabled){background:#f1f4ff}.button.quiet{color:#4c5a77;background:0 0}.button.quiet:hover,.button.quiet.selected{color:var(--indigo);background:#eceffc}.button.danger{color:#b4233d;background:#fff1f2;border-color:#fecdd3}.button.full{width:100%}.icon-button{border:1px solid var(--line);background:#fff;border-radius:10px;justify-content:center;align-items:center;width:42px;min-width:42px;height:42px;display:inline-flex}.icon-button:hover{background:#eef2ff}.text-button{color:var(--indigo);background:0 0;border:0;justify-content:center;align-items:center;gap:7px;min-height:38px;padding:10px 0;font-size:13px;font-weight:600;display:inline-flex}.danger-text{color:#b4233d}.icon-disc{width:52px;height:52px;color:var(--indigo);background:#eef0ff;border-radius:15px;justify-content:center;align-items:center;display:inline-flex}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.landing{max-width:1240px;min-height:100svh;margin:0 auto;padding:32px 48px 24px}.landing-head{justify-content:space-between;align-items:center;display:flex}.landing-main{grid-template-columns:1fr 420px;align-items:center;gap:80px;max-width:1010px;margin:70px auto 60px;display:grid}.intro h1{margin:24px 0;font-size:76px;line-height:1.03}.intro h1>span{color:var(--indigo)}.intro>p{color:#69748a;font-size:19px;line-height:1.6}.illustration{justify-content:center;align-items:center;width:270px;height:200px;margin:25px 0 -5px 10px;display:flex;position:relative}.illustration>img{z-index:1;position:relative;transform:rotate(-7deg)}.orbit-circle{border:1px solid #d6ddf6;border-radius:50%;width:230px;height:140px;position:absolute;transform:rotate(-24deg)}.spark{color:#94a3d9;position:absolute}.spark.one{font-size:24px;top:17px;right:19px}.spark.two{color:var(--teal);font-size:15px;bottom:35px;left:15px}.float-tag{border:1px solid var(--line);color:var(--teal);z-index:2;background:#fff;border-radius:12px;align-items:center;gap:9px;padding:13px 17px;font-size:13px;display:flex;position:absolute;bottom:9px;right:-36px;box-shadow:0 6px 20px #17255408}.join-card{border:1px solid var(--line);background:#fff;border-radius:24px;padding:32px;box-shadow:0 15px 55px #17255408}.join-card h2,.join-card h1{margin:22px 0 10px;font-size:27px}.join-card>p{margin-bottom:25px;font-size:14px}.join-card form{gap:20px;margin-top:26px}.code-input{letter-spacing:.15em;background:#f9faff;height:60px;font-size:23px;font-weight:650}.join-foot{color:var(--muted);gap:8px;margin-top:24px;font-size:11px;line-height:1.5;display:flex}.landing-footer{color:#8792a7;border-top:1px solid var(--line);justify-content:space-between;gap:16px;padding-top:22px;font-size:12px;display:flex}.inline-info{background:#f0f3ff;border-radius:11px;padding:14px;font-size:13px}.inline-info p{margin-top:5px}.form-error{color:#b4233d;overflow-wrap:anywhere;background:#fff1f2;border-radius:9px;padding:12px;font-size:13px}.account-page,.loading-page{flex-direction:column;justify-content:center;align-items:center;gap:26px;min-height:100svh;padding:28px;display:flex}.account-page .join-card{width:min(440px,100%)}.account-page .join-card>.button{margin:5px 0 20px}.loading-page>p{color:var(--muted)}.recovery-code{overflow-wrap:anywhere;letter-spacing:2px;-webkit-user-select:all;user-select:all;background:#eef2ff;border-radius:10px;padding:16px;font-size:20px;display:block}.app-head{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;gap:20px;height:83px;padding:0 30px;display:flex}.head-actions{align-items:center;gap:18px;display:flex}.teacher-tag{color:var(--indigo);background:#eef2ff;border-radius:7px;padding:7px 11px;font-size:12px}.dashboard-main{max-width:1120px;margin:48px auto;padding:0 32px}.title-row{justify-content:space-between;align-items:center;gap:24px;margin-bottom:36px;display:flex}.title-row h1{margin:10px 0;font-size:38px}.title-row p{font-size:15px}.class-list{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.class-card{border:1px solid var(--line);text-align:left;background:#fff;border-radius:18px;align-items:center;gap:20px;min-height:134px;padding:27px;transition:box-shadow .15s,border-color .15s;display:flex}.class-card:hover{border-color:#c7d2fe;box-shadow:0 6px 18px #17255408}.class-symbol{width:62px;height:62px;color:var(--indigo);background:#eef0ff;border-radius:18px;justify-content:center;align-items:center;display:flex}.symbol-1{color:var(--teal);background:#e9f6f3}.symbol-2{color:#977519;background:#fef4d4}.class-card-body{flex-direction:column;flex:1;gap:8px;display:flex}.class-card-body>strong{font-size:22px}.class-card-body>span{color:var(--muted);font-size:12px}.active-dot:before{content:"";background:var(--teal);border-radius:50%;width:7px;height:7px;margin-right:6px;display:inline-block}.empty-card{text-align:center;background:#fff;border:1px dashed #d2daec;border-radius:20px;flex-direction:column;grid-column:1/-1;align-items:center;gap:15px;padding:50px 24px;display:flex}.empty-card p{color:var(--muted);max-width:380px;font-size:14px}.dashboard-foot{justify-content:space-between;align-items:center;margin-top:25px;font-size:13px;display:flex}.classroom-head{height:78px;padding:0 24px}.back-button{background:0 0;border:0;align-items:center;gap:16px;padding:6px 0;display:flex}.class-heading{margin-right:auto}.class-heading h1{letter-spacing:-.02em;font-size:22px}.class-heading>span{color:var(--muted);font-size:11px}.connection{color:var(--teal);white-space:nowrap;align-items:center;gap:7px;font-size:11px;display:flex}.connection.lost{color:#9b6a13}.code-chip{text-align:left;background:#f1f3ff;border:1px solid #e0e5ff;border-radius:11px;grid-template-columns:1fr 16px;gap:3px 12px;padding:9px 14px;display:grid}.code-chip>span{color:#7280a7;letter-spacing:.12em;grid-column:1/-1;font-size:8px}.code-chip strong{letter-spacing:.14em;color:var(--indigo);font-size:17px}.code-chip>svg{color:var(--indigo);align-self:center}.class-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;padding:18px 24px;display:flex}.toolbar-main,.toolbar-extra{align-items:center;gap:8px;display:flex}.class-toolbar .button{min-height:43px;padding:10px 12px;font-size:12px}.button-badge{background:#ffffff30;border-radius:6px;padding:2px 6px}.count-badge{background:var(--indigo);color:#fff;border-radius:6px;padding:2px 5px;font-size:11px}.connection-warning{color:#876216;background:#fff6d9;padding:12px 24px;font-size:13px}.class-layout{grid-template-columns:minmax(0,1fr) 260px;gap:22px;max-width:1500px;margin:22px auto;padding:0 24px;display:grid}.seat-panel{min-width:0}.seat-panel-head{justify-content:space-between;align-items:center;gap:12px;min-height:43px;margin-bottom:18px;display:flex}.seat-panel-head>div{align-items:center;gap:10px;display:flex}.seat-panel-head h2{font-size:17px}.seat-panel-head label{flex-direction:row;align-items:center;gap:8px;display:flex}.seat-panel-head select{max-width:175px;min-height:38px;padding:8px 12px;font-size:12px}.seat-panel-head .button{min-height:38px;padding:8px 11px;font-size:12px}.seat-panel-head .muted{font-size:12px}.online-count{color:var(--teal);align-items:center;gap:6px;font-size:11px;display:flex}.seat-board{border:1px solid var(--line);isolation:isolate;background:#fff radial-gradient(#e8edf6 .8px,#0000 .8px) 0 0/20px 20px;border-radius:16px;height:540px;position:relative}.seat-board.editing{touch-action:none;background-color:#fcfcff;border:2px solid #b7bfff}.front-label{color:#97a2b8;letter-spacing:.2em;pointer-events:none;justify-content:center;align-items:center;gap:12px;font-size:9px;font-weight:650;display:flex;position:absolute;top:12px;left:0;right:0}.front-label span{background:#dce3ed;width:68px;height:1px}.seat{text-align:left;background:#fff;border:1px solid #dbe2ee;border-radius:12px;flex-direction:column;gap:6px;width:132px;height:86px;padding:9px 11px;display:flex;overflow:hidden;box-shadow:0 2px 5px #17255404}.seat.placed{z-index:1;position:absolute}.seat:hover{border-color:#a5b4fc}.seat.absent{background:#f9fafc}.seat.raised{background:#fff9e5;border:2px solid #eaba40;padding:8px 10px}.seat.called{border:2px solid var(--teal);background:#e8f5f0;padding:8px 10px}.seat.editable{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;box-shadow:0 3px 7px #1725540a}.seat.editable:active{cursor:grabbing;z-index:4}.seat>strong{text-overflow:ellipsis;white-space:nowrap;font-size:14px;line-height:1.1;overflow:hidden}.seat-status{color:#78859e;font-size:9px;line-height:1}.seat-top{height:15px;color:var(--indigo);align-items:center;gap:6px;display:flex}.status-dot{background:#b4bece;border-radius:50%;flex-shrink:0;width:7px;height:7px;display:inline-block}.status-dot.online{background:var(--teal)}.status-dot.interrupted{background:#d39a23}.queue-number{color:#8a6410;align-items:center;gap:3px;margin-left:auto;font-size:11px;font-weight:700;display:flex}.called-tag{color:var(--teal);letter-spacing:.08em;margin-left:auto;font-size:8px;font-weight:750}.help-icon{color:#9b6a13}.board-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;height:100%;padding:25px;display:flex}.board-empty p{color:var(--muted);font-size:14px}.edit-hint{white-space:nowrap;color:#6773a5;z-index:0;pointer-events:none;background:#f0f2ff;border-radius:7px;padding:6px 12px;font-size:10px;position:absolute;bottom:9px;left:50%;transform:translate(-50%)}.unplaced{margin-top:15px}.unplaced>span{color:var(--muted);font-size:11px}.unplaced-list{flex-wrap:wrap;gap:10px;margin-top:10px;display:flex}.seat-panel-foot{color:var(--muted);justify-content:space-between;align-items:center;gap:15px;padding:8px 2px;font-size:11px;display:flex}.seat-panel-foot>span{align-items:center;gap:6px;display:flex}.seat-panel-foot .offline{margin-left:12px}.queue-panel{border:1px solid var(--line);background:#fff;border-radius:17px;align-self:start;padding:21px;position:sticky;top:20px}.queue-title{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.queue-title h2{font-size:18px}.queue-title>span{color:#8a6410;background:#fef3c7;border-radius:8px;padding:4px 9px;font-size:12px}.queue-list{flex-direction:column;gap:8px;max-height:400px;margin:19px 0 22px;display:flex;overflow:auto}.queue-list>button{text-align:left;background:#fffaf0;border:1px solid #f2df9c;border-radius:10px;align-items:center;gap:10px;min-height:48px;padding:10px;display:flex}.queue-list>button>span{color:#8a6410;background:#fef0bb;border-radius:7px;justify-content:center;align-items:center;width:26px;height:26px;font-size:12px;display:flex}.queue-list strong{flex:1;font-size:13px}.queue-empty{color:#9ca6bd;text-align:center;padding:36px 0}.queue-empty p{margin-top:13px;font-size:12px}.queue-panel>.text-button{width:100%;margin-top:7px}.queue-panel>p:last-child{margin-top:10px;font-size:11px}.speaker-strip{color:var(--teal);background:#e9f6f2;border:1px solid #cde9df;border-radius:12px;align-items:center;gap:18px;margin-bottom:12px;padding:10px 16px;font-size:13px;display:flex}.speaker-strip>span{align-items:center;gap:7px;margin-right:auto;display:flex}.speaker-strip .text-button{color:var(--teal);min-height:30px;padding:3px;font-size:11px}.sample-banner{color:#6773a5;background:#eef2ff;border-radius:9px;margin-bottom:12px;padding:9px 12px;font-size:11px}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:40;background:#17255455;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:21px;width:min(470px,100%);max-height:calc(100svh - 48px);padding:28px;overflow:auto;box-shadow:0 30px 80px #17255426}.modal.wide{width:min(1050px,100%)}.modal-head{justify-content:space-between;align-items:center;gap:20px;margin-bottom:23px;display:flex}.modal-head h2{font-size:23px}.modal-head .icon-button{background:#f4f6fb;border:0}.modal>p{margin-bottom:20px;font-size:14px}.modal-actions{gap:10px;margin:20px 0;display:flex}.modal-actions>.button{flex:1}.member-summary{color:var(--muted);flex-wrap:wrap;align-items:center;gap:7px;font-size:12px;display:flex}.member-summary>span:last-child{width:100%;margin-top:5px}.member-tools{border-top:1px solid var(--line);flex-direction:column;align-items:start;margin-top:24px;padding-top:12px;display:flex}.member-tools .text-button{justify-content:start}.setting-row{border-top:1px solid var(--line);align-items:center;gap:24px;padding:23px 0;display:flex}.setting-row>div{flex:1}.setting-row strong{font-size:14px}.setting-row p{color:var(--muted);margin-top:6px;font-size:12px}.settings-more{gap:12px;padding:17px 0;display:grid}summary{color:var(--indigo);cursor:pointer;padding:10px 0;font-size:13px}.code-display{text-align:center}.code-display>strong{color:var(--indigo);letter-spacing:.15em;margin:26px 0;font-size:48px;display:block}.code-display p{color:var(--muted);overflow-wrap:anywhere;font-size:13px}.code-display .button{margin-top:15px}.pin-display{letter-spacing:.2em;text-align:center;color:var(--indigo);padding:10px 0 26px;font-size:45px}.recommend-name{text-align:center;margin:25px 0;font-size:38px}.toast{z-index:70;color:#fff;background:var(--navy);border-radius:12px;align-items:center;gap:22px;max-width:calc(100% - 36px);padding:15px 18px;font-size:13px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 6px 20px #17255422}.toast>button{color:#fff;background:0 0;border:0;padding:2px;display:flex}.message-drawer{z-index:30;border-left:1px solid var(--line);background:#fff;flex-direction:column;width:min(480px,100%);display:flex;position:fixed;top:0;bottom:0;right:0;box-shadow:-10px 0 40px #17255413}.drawer-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:18px;padding:25px;display:flex}.drawer-head h2{margin-top:6px;font-size:20px}.drawer-head .eyebrow{font-size:9px}.message-composer{border-bottom:1px solid var(--line);background:#fafbfe;gap:15px;padding:23px}.two-fields{grid-template-columns:1fr 1fr;gap:12px;display:grid}.message-composer label{font-size:12px}.message-composer input,.message-composer select,.message-composer textarea{padding:10px;font-size:13px}.messages-filter{justify-content:space-between;align-items:center;gap:10px;padding:20px 24px 12px;display:flex}.messages-filter h3{font-size:13px}.messages-filter label{flex-direction:row;align-items:center;gap:6px;font-size:11px;font-weight:450}.messages-filter input{width:16px;height:16px;min-height:16px}.messages-list{flex:1;padding:10px 23px 25px;overflow:auto}.message{border:1px solid var(--line);background:#fafbfe;border-radius:13px;margin-bottom:12px;padding:15px}.message.incoming{background:#fff}.message.incoming.unread{border-left:3px solid var(--indigo)}.message-caption{flex-wrap:wrap;justify-content:space-between;gap:6px;font-size:11px;display:flex}.message-caption span{color:var(--muted);font-size:9px}.message>p{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:9px;font-size:13px}.message-actions{gap:18px;margin-top:4px;display:flex}.message-actions .text-button{font-size:11px}.poll-summary{border-top:1px solid var(--line);margin-top:12px;padding-top:8px;font-size:12px}.poll-summary>div{justify-content:space-between;gap:10px;padding:5px 0;display:flex}.poll-summary .poll-controls{flex-direction:column;align-items:start;gap:0;padding-top:8px}.poll-controls .text-button{min-height:30px;font-size:10px}.report-toolbar{flex-wrap:wrap;align-items:end;gap:15px;margin:20px 0;display:flex}.report-toolbar>label{flex:1;min-width:140px;font-size:12px}.report-table-wrap{margin:20px 0;overflow:auto}.report-table{border-collapse:collapse;text-align:center;width:100%;min-width:690px;font-size:12px}.report-table th,.report-table td{border-bottom:1px solid var(--line);padding:14px 13px}.report-table thead{color:var(--muted);background:#f4f6fb}.report-table thead th{font-size:11px;font-weight:600;line-height:1.5}.report-table tr>th:first-child{text-align:left}.report-table tbody small{color:var(--muted);max-width:200px;margin-top:4px;font-size:10px;font-weight:400;display:block}.history-tools{border-top:1px solid var(--line);padding-top:15px}.history-tools>div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:7px 0;font-size:12px;display:flex}.student{min-height:100svh}.student-head{height:80px}.student-identity{border-left:1px solid var(--line);flex-direction:column;gap:4px;margin-right:auto;padding-left:20px;display:flex}.student-identity strong{font-size:18px}.student-identity>span{color:var(--muted);font-size:11px}.student-main{grid-template-columns:.95fr 1.05fr;gap:28px;max-width:1280px;min-height:calc(100svh - 80px);margin:0 auto;padding:28px 32px;display:grid}.raise-panel{flex-direction:column;gap:18px;min-width:0;display:flex}.speaker-notice{color:var(--muted);justify-content:center;align-items:center;gap:9px;min-height:44px;font-size:13px;display:flex}.speaker-notice.own{color:var(--teal);background:#e2f2eb;border-radius:10px}.raise-button{width:100%;min-height:330px;color:var(--indigo);background:#ecefff;border:1px solid #dce1fc;border-radius:27px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:22px;padding:32px 20px;transition:background .15s,transform .1s;display:flex;box-shadow:inset 0 1px #fff,0 8px 30px #4f46e505}.raise-button:not(:disabled):hover{background:#e3e7ff}.raise-button:not(:disabled):active{transform:scale(.992)}.raise-button>strong{letter-spacing:-.035em;max-width:300px;font-size:25px;line-height:1.3}.raise-button>span{color:#777fab;font-size:13px}.raise-button:disabled{opacity:.8}.raise-button.waiting{color:#996c16;background:#fff6d8;border-color:#f1d48a}.raise-button.waiting>span{color:#997d35}.raise-button.your-turn{color:var(--teal);background:#e5f5ef;border-color:#b7ddcd}.raise-button.your-turn>span{color:#589284}.student-help{flex-direction:column;align-items:center;gap:10px;padding-top:2px;display:flex}.student-help .button{min-width:230px;font-size:13px}.student-help>span{color:var(--muted);font-size:10px}.help-active{color:#8a6410;background:#fff1cb;border-color:#f0d78b}.student-message-panel{border:1px solid var(--line);background:#fff;border-radius:22px;flex-direction:column;min-width:0;display:flex;overflow:hidden}.student-message-head{border-bottom:1px solid var(--line);align-items:center;gap:15px;padding:24px;display:flex}.student-message-head h2{margin-top:5px;font-size:19px}.student-message-head .eyebrow{font-size:9px}.student-message-head .icon-disc{border-radius:13px;width:46px;height:46px}.student-message-content{flex:1;min-height:180px;max-height:420px;padding:24px;overflow:auto}.question-badge{color:var(--indigo);background:#f0f2ff;border-radius:6px;margin-bottom:15px;padding:5px 8px;font-size:10px;display:inline-flex}.current-question h3{white-space:pre-wrap;overflow-wrap:anywhere;letter-spacing:-.02em;font-size:22px;font-weight:620;line-height:1.5}.question-empty{color:#c0c8db;text-align:center;padding:20px 0 15px}.question-empty h3{color:#64728d;margin-top:20px;font-size:20px;font-weight:540}.question-empty p{color:#8a95ab;max-width:240px;margin:12px auto;font-size:13px}.student-note{background:#f7f8fc;border-left:2px solid #d9dff1;border-radius:9px;margin-bottom:15px;padding:12px 14px}.student-note.personal{background:#eff7f5;border-left-color:#85bcb1}.student-note>span{color:var(--muted);letter-spacing:.05em;font-size:9px;font-weight:650}.student-note>p{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:6px;font-size:13px}.student-poll{gap:9px;margin-top:20px;display:grid}.poll-option{border:1px solid var(--line);text-align:left;background:#fafbfe;border-radius:11px;align-items:center;gap:10px;padding:12px;display:flex}.poll-option>span{color:#7682a4;background:#e9edf8;border-radius:7px;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;display:flex}.poll-option>strong{flex:1;font-size:12px;font-weight:550}.poll-option.chosen{background:#eef2ff;border-color:#a5b4fc}.poll-option.chosen>span{background:var(--indigo);color:#fff}.poll-option>b{color:var(--indigo);font-size:13px}.own-answers{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}.own-answers>div{color:var(--teal);align-items:start;gap:8px;margin:10px 0;font-size:11px;display:flex}.own-answers span{overflow-wrap:anywhere;color:var(--muted);flex:1}.own-answers small{white-space:nowrap;color:var(--muted);padding-top:2px;font-size:8px}.answer-area{border-top:1px solid var(--line);background:#fcfcff;padding:20px 24px}.answer-mode{justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.answer-mode>strong{font-size:12px}.answer-mode>.text-button{min-height:28px;padding:0;font-size:10px}.answer-area form{gap:12px}.answer-area textarea{resize:none;background:#fff;min-height:90px;font-size:13px}.answer-foot{justify-content:space-between;align-items:center;gap:10px;display:flex}.answer-foot>span{color:var(--muted);align-items:center;gap:5px;font-size:9px;display:flex}.answer-foot>.button{min-height:40px;padding:9px 13px;font-size:12px}.lesson-ended{color:var(--teal);border-top:1px solid var(--line);align-items:center;gap:10px;padding:20px 24px;font-size:12px;display:flex}@media (height>=850px) and (width>=800px){.student-message-content{max-height:calc(100svh - 430px)}}@media (width<=1180px){.class-layout{grid-template-columns:1fr}.queue-panel{grid-template-columns:1fr auto;gap:8px 20px;display:grid;position:static}.queue-title,.queue-panel>p:first-of-type{grid-column:1}.queue-list{flex-flow:wrap;grid-column:1/-1;max-height:150px;margin:8px 0}.queue-list>button{min-width:160px}.queue-empty{align-items:center;gap:12px;width:100%;padding:12px;display:flex}.queue-empty p{margin:0}.queue-empty svg{width:25px}.queue-panel>.full{grid-area:1/2/3;min-width:170px}.queue-panel>.text-button{justify-content:start;width:auto;margin:0}.queue-panel>p:last-child{align-self:center;margin:0}.class-toolbar{flex-wrap:wrap}.class-toolbar .button{font-size:11px}.student-main{gap:24px;padding:24px}.raise-button>strong{font-size:23px}}@media (width<=900px){.landing{padding:25px 32px}.landing-main{grid-template-columns:1fr 360px;gap:36px;margin-top:60px}.intro h1{font-size:61px}.intro>p{font-size:16px}.illustration{transform-origin:0;transform:scale(.86)}.join-card{padding:26px}.brand{font-size:25px}.classroom-head .connection span,.student-head .connection span{display:none}.student-message-head,.student-message-content{padding:20px}.answer-area{padding:18px 20px}.student-main{gap:20px;padding:20px}.raise-button{gap:20px;padding:24px 14px}.raise-button>svg{width:94px}.raise-button>strong{font-size:22px}.classroom-head{gap:16px}.back-button .brand{font-size:19px}.back-button .brand img{width:32px}.class-heading h1{font-size:19px}.toolbar-extra{margin-left:auto}}@media (width<=700px){.landing{padding:24px}.landing-main{grid-template-columns:1fr;gap:30px;max-width:420px;margin:40px auto}.intro h1{font-size:54px}.intro>p{font-size:17px}.illustration{display:none}.landing-footer{text-align:center;flex-wrap:wrap;justify-content:center}.landing-head .button{gap:6px;padding:8px;font-size:11px}.landing-head .button svg:first-child{display:none}.brand{gap:7px;font-size:22px}.brand>img{width:36px}.landing-head .button svg{width:16px}.class-list{grid-template-columns:1fr}.dashboard-main{margin:30px auto;padding:0 20px}.title-row{flex-direction:column;align-items:start;gap:18px}.app-head{padding:0 18px}.teacher-tag{display:none}.head-actions{gap:10px}.classroom-head .brand{display:none}.classroom-head{gap:10px}.classroom-head .head-actions{gap:9px}.class-toolbar{gap:10px;padding:15px}.toolbar-main,.toolbar-extra{flex-wrap:wrap}.toolbar-extra{margin:0}.class-layout{margin-top:15px;padding:0 14px}.seat-panel-head{flex-wrap:wrap}.seat-panel-head>div{flex-wrap:wrap;gap:8px}.seat-board{height:610px;overflow:auto}.seat{width:132px}.seat-panel-foot{flex-wrap:wrap}.queue-panel{padding:18px;display:block}.queue-panel>.full{margin-top:12px}.queue-panel>p:last-child{margin-top:8px}.queue-list{max-height:220px}.speaker-strip{flex-wrap:wrap;gap:7px 15px}.speaker-strip>span{width:100%}.edit-hint{white-space:normal;text-align:center;max-width:95%;font-size:9px}.student-head{gap:12px;height:73px}.student-head .brand{font-size:18px}.student-head .brand img{width:31px}.student-identity{padding-left:12px}.student-identity strong{text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:15px;overflow:hidden}.student-head .button{min-height:38px;padding:8px}.student-head .button span{display:none}.student-main{grid-template-columns:1fr;gap:25px;padding:18px}.raise-button{min-height:285px}.raise-button>svg{width:83px;height:83px}.student-message-content{max-height:420px}.current-question h3{font-size:20px}.student-help{gap:8px}.modal{padding:23px}.modal-backdrop{padding:15px}.modal-head h2{font-size:20px}.code-display>strong{font-size:39px}.report-toolbar{gap:10px}.report-toolbar .button{font-size:12px}.two-fields{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.seat-actions{align-items:center;gap:8px;display:flex}.demo-banner{color:#66738d;background:#eef2ff;padding:12px 24px;font-size:12px}.seat{gap:4px}.seat-top{flex-shrink:0;height:24px}.seat>strong{font-size:15px}.seat-status{font-size:10px;line-height:1.2}.seat.raised{color:#172554;background:#fbbf24;border:3px solid #b45309;padding:7px 9px;box-shadow:0 0 0 3px #fbbf2440}.seat.raised .seat-status,.seat.raised .seat-top{color:#172554}.queue-number{color:#172554;gap:5px;font-size:18px}.queue-number svg{stroke-width:2.6px}.seat.called{color:#fff;background:#087568;border:3px solid #064e46;padding:7px 9px;box-shadow:0 0 0 3px #08756835}.seat.called .seat-top,.seat.called .seat-status,.seat.called .called-tag{color:#fff}.called-tag{font-size:10px}.seat-message-badge{color:#fff;background:#4338ca;border-radius:5px;align-items:center;gap:3px;padding:3px 4px;font-size:10px;line-height:1;display:inline-flex}.seat-message-badge svg{width:12px;height:12px}.seat.has-message:not(.raised):not(.called){background:#eef2ff;border:3px solid #4338ca;padding:7px 9px}.seat.has-message .seat-message-badge{margin-left:auto}.seat .status-dot.online{box-shadow:0 0 0 2px #fff}.seat.called .status-dot.online{background:#a7f3d0;box-shadow:0 0 0 2px #064e46}.queue-panel.has-raises{border:2px solid #f59e0b}.queue-panel.has-raises .queue-title>span{color:#172554;text-align:center;background:#fbbf24;min-width:40px;font-size:20px;font-weight:800}.queue-list>button{color:#172554;background:#fbbf24;border:2px solid #d97706;min-height:56px}.queue-list strong{font-size:16px}.queue-list>button>span{color:#fff;background:#172554;width:30px;height:30px;font-size:16px;font-weight:750}.speaker-strip{color:#fff;background:#087568;border-color:#064e46;font-size:16px}.speaker-strip .text-button{color:#fff;font-size:12px}.class-toolbar .button.has-unread{color:#fff;background:#4338ca;border-color:#4338ca;font-weight:750}.has-unread .count-badge{color:#4338ca;background:#fff;font-size:14px;font-weight:800}.teacher-incoming-alert{text-align:left;color:#fff;background:#4338ca;border:0;border-radius:12px;align-items:center;gap:14px;width:calc(100% - 48px);min-height:68px;margin:16px 24px 0;padding:14px 18px;display:flex}.teacher-incoming-alert>svg{flex-shrink:0}.teacher-incoming-alert>span:first-of-type{flex-direction:column;flex:1;gap:5px;min-width:0;display:flex}.teacher-incoming-alert strong{font-size:18px}.teacher-incoming-alert>span:first-of-type>span{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.alert-action{flex-shrink:0;align-items:center;gap:7px;font-size:13px;font-weight:700;display:flex}.message.incoming.unread{background:#eef2ff;border:2px solid #4338ca;border-left-width:6px}.message.incoming.unread .message-caption>strong{color:#312e81;font-size:14px}.message.incoming.unread .message-caption>strong:after{content:"NEU";color:#fff;background:#4338ca;border-radius:4px;margin-left:8px;padding:3px 6px;font-size:10px;display:inline-block}.message.incoming.unread>p{color:#172554;font-size:15px}.message.incoming.unread .message-actions .text-button{font-size:12px}.student.is-called{box-shadow:inset 0 0 0 6px #087568}.speaker-notice.own{color:#fff;background:#087568;border-radius:12px;min-height:60px;padding:10px;font-size:26px}.speaker-notice.own svg{width:28px;height:28px}.raise-button.your-turn,.raise-button.your-turn:disabled{color:#fff;opacity:1;box-shadow:none;background:#087568;border:3px solid #064e46}.raise-button.your-turn>strong{max-width:none;font-size:clamp(30px,3.5vw,44px)}.raise-button.your-turn>span{color:#fff;font-size:16px}.raise-button.your-turn>svg{stroke-width:2px}.sound-control{white-space:nowrap;color:#475569;background:#fff;border:1px solid #ccd5e4;border-radius:9px;justify-content:center;align-items:center;gap:6px;min-height:40px;padding:8px 10px;font-size:11px;display:flex}.sound-control.active{color:#087568;background:#edf8f4;border-color:#99cbbf}.student-message-panel.has-unread{border:3px solid #4338ca}.student-message-panel.has-unread .student-message-head{color:#fff;background:#4338ca}.student-message-panel.has-unread .student-message-head .eyebrow{color:#e0e7ff}.student-message-panel.has-unread .icon-disc{color:#fff;background:#ffffff25}.student-unread-count{color:#4338ca;background:#fff;border-radius:8px;justify-content:center;align-items:center;min-width:34px;height:34px;margin-left:auto;font-size:18px;font-weight:800;display:flex}.incoming-notice{color:#fff;background:#4338ca;border-radius:13px;margin-bottom:20px;padding:18px}.incoming-notice-label{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.incoming-notice-label strong{font-size:16px}.incoming-notice-label>span{margin-left:auto;font-size:10px}.incoming-notice>p{white-space:pre-wrap;overflow-wrap:anywhere;margin:16px 0;font-size:20px;line-height:1.45}.incoming-notice>button{color:#312e81;background:#fff;border:0;border-radius:8px;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:10px 14px;font-size:13px;font-weight:700;display:flex}@media (width<=900px){.student-head{gap:14px}.student-head .brand{font-size:20px}.student-head .head-actions{gap:8px}.student-identity{padding-left:12px}.student-head .connection{display:none}}@media (width<=700px){.teacher-incoming-alert{width:calc(100% - 28px);margin:12px 14px 0;padding:13px}.teacher-incoming-alert strong{font-size:16px}.alert-action{font-size:11px}.student-head .brand>span{display:none}.student-head .head-actions{gap:6px}.sound-control{gap:4px;padding:7px;font-size:10px}.sound-control svg{width:15px}.speaker-notice.own{font-size:23px}.student-message-head{gap:10px}.incoming-notice>p{font-size:18px}}.teacher-phase-wrap{max-width:1500px;margin:18px auto 0;padding:0 24px}.phase-display{color:#172554;background:#f0f3ff;border:1px solid #dde3f5;border-radius:17px;align-items:center;gap:18px;display:flex}.teacher-phase{gap:15px;padding:10px 19px}.sandglass{flex-shrink:0;width:60px;height:84px}.teacher-phase .sandglass{width:36px;height:50px}.phase-info{flex-direction:column;align-items:flex-start;gap:5px;min-width:0;display:flex}.phase-title{overflow-wrap:anywhere;font-size:13px}.phase-time{letter-spacing:-1px;font-variant-numeric:tabular-nums;color:#4f46e5;font-size:40px;font-weight:650;line-height:1}.phase-status{color:#69748f;font-size:10px}.teacher-phase .phase-info{flex-flow:wrap;flex:1;align-items:center;gap:22px}.teacher-phase .phase-time{font-size:26px}.teacher-phase .phase-status{font-size:11px}.phase-controls{align-items:center;gap:8px;display:flex}.phase-controls .button{min-height:38px;padding:8px 12px;font-size:12px}.phase-controls .icon-button{width:36px;min-width:36px;height:36px}.student-phase{justify-content:center;min-height:130px;padding:18px 24px}.student-phase .phase-title{font-size:14px}.phase-display.finished{background:#eaf6f0;border-color:#cde7dc}.finished .phase-time,.finished .phase-status{color:#0f766e}.phase-presets{flex-wrap:wrap;gap:8px;display:flex}.phase-presets .button{min-height:38px;padding:9px 12px;font-size:12px}.sand-stream{animation:.65s linear infinite sand-flow}@keyframes sand-flow{to{stroke-dashoffset:-12px}}.with-timer .raise-button{gap:16px;min-height:230px}.with-timer .raise-button>svg{width:80px;height:80px}.with-timer .raise-button>strong{font-size:22px}@media (width<=700px){.teacher-phase-wrap{padding:0 14px}.teacher-phase{gap:10px;padding:12px}.teacher-phase .phase-info{gap:8px 16px}.teacher-phase .phase-title{width:100%}.teacher-phase .phase-status{font-size:9px}.phase-controls .button>span{display:none}.phase-controls{gap:5px}.phase-controls .button{padding:8px}.student-phase{min-height:124px;padding:17px}}@media (prefers-reduced-motion:reduce){.sand-stream{animation:none}}.with-timer .raise-button.your-turn>strong{font-size:clamp(30px,3.5vw,44px)}.student-history{border-top:1px solid var(--line);margin-top:20px;padding-top:8px}.student-history summary{font-size:12px}.student-history article{border-top:1px solid var(--line);padding:12px 0;font-size:12px}.student-history article strong{color:var(--muted);font-size:10px}.student-history article p{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:6px}.speaker-strip .contribution-button{border:1px solid #ffffff65;border-radius:8px;min-height:40px;padding:7px 11px;font-size:12px}.speaker-strip .contribution-button.confirmed{color:#064e46;opacity:1;cursor:default;background:#fff;border-color:#fff;font-weight:750}.incoming-notice>button:disabled{opacity:.7;cursor:default}.seat.tab-hidden:not(.raised):not(.called){background:#fff1db;border-color:#c87b12}.seat.tab-hidden .seat-status{font-weight:750}.seat-panel-foot .visibility-key{color:#946015;font-weight:650}.seat-tile{flex-shrink:0;width:132px;height:86px;position:relative}.seat-tile.placed{z-index:1;position:absolute}.seat-tile:focus-within{z-index:4}.seat-options{color:#475569;background:#edf0f7;border:0;border-radius:6px;justify-content:center;align-items:center;width:26px;height:25px;padding:0;display:flex;position:absolute;bottom:4px;right:5px}.seat-tile.raised .seat-options{color:#fff;background:#172554}.seat-tile.called .seat-options{color:#fff;background:#ffffff30}.seat-tile .seat-status{white-space:nowrap;padding-right:22px;font-size:9px}.legal-links{justify-content:center;gap:22px;padding:14px;font-size:12px;display:flex}.legal-links a{color:var(--muted)}.incoming-notice .poll-option{color:#172554;background:#fff}.incoming-notice .poll-option.chosen{background:#d1fae5;border-color:#10b981}.incoming-notice .student-poll p{color:#fff}.incoming-notice .student-poll{margin-bottom:14px}.message.incoming.unread{background:#eef2ff;border-left:5px solid #4338ca}.message.incoming.unread .message-caption strong,.message.incoming.unread>p{font-size:16px}
