:root{--ink:#193f35;--green:#245540;--lime:#d9edb7;--paper:#f5f6ef;--line:#e1e5d8;--muted:#7b877c;--white:#fff;--red:#bb4d42;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);font-size:14px}*{box-sizing:border-box}body{margin:0;background:var(--paper)}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #91b875;outline-offset:3px}input,textarea{border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);padding:13px 14px;width:100%;outline:none}input:focus,textarea:focus{border-color:#5f8565;box-shadow:0 0 0 3px #75967215}label{display:block;font-size:12px;font-weight:600;margin:22px 0 0}label input,label 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var(--line);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;background-image:radial-gradient(#d7dfce .8px,transparent .8px);background-size:20px 20px}.board-wrap canvas{max-width:100%;max-height:100%;object-fit:contain;aspect-ratio:3/2;touch-action:none;cursor:crosshair;position:relative;z-index:1}.board-empty{position:absolute;text-align:center;pointer-events:none;opacity:.6}.board-empty>span{font-size:52px;color:#a5b294}.board-empty h3{font-size:17px;font-weight:400;margin-top:12px;letter-spacing:-.3px}.board-empty p{font-size:10px;color:var(--muted);margin-top:10px}.board-corner{position:absolute;bottom:12px;left:17px;font-size:7px;letter-spacing:1.5px;color:#adb7a4;pointer-events:none}.video-strip{height:124px;min-height:124px;display:flex;gap:10px;margin-top:15px;overflow-x:auto}.tile{position:relative;border-radius:9px;overflow:hidden;background:#253e37;min-width:165px;width:calc((100% - 30px)/4);height:100%;isolation:isolate;border:1px solid #d3dec5}.tile video{width:100%;height:100%;object-fit:cover;background:#253e37;position:relative;z-index:1}.tile.local-tile video{transform:scaleX(-1)}.tile-label{position:absolute;bottom:8px;left:9px;color:#fff;font-size:9px;z-index:3;padding:3px 7px;border-radius:4px;background:#162a2580;max-width:85%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.tile-role{position:absolute;top:9px;right:8px;color:#e4eddc;background:#375547ba;border-radius:3px;font-size:7px;padding:3px 5px;z-index:3}.tile-placeholder{position:absolute;inset:0;display:grid;place-items:center;color:#b8c9b1;font-size:22px;z-index:0}.tile.no-video video{visibility:hidden}.tile.screen video{object-fit:contain}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;min-height:0;flex:1;padding:8px 0}.video-grid .tile{width:100%;min-height:100px;min-width:0}.sidebar{border-left:1px solid var(--line);background:#fff;min-height:0;display:flex;flex-direction:column}.side-tabs{display:flex;border-bottom:1px solid var(--line);height:63px;flex-shrink:0;gap:20px;padding:0 20px}.side-tabs button{font-size:11px;color:#97a08e;border-bottom:2px solid transparent;padding:0 0 1px}.side-tabs button.active{color:var(--ink);border-color:#779560}.side-tabs button span{font-size:8px;border-radius:4px;background:#edf1e6;padding:3px 5px;margin-left:3px}.side-section{padding:24px 21px}.side-section .small-label,.waiting-panel .small-label{font-size:8px;letter-spacing:1.1px}.participant{display:flex;align-items:center;gap:10px;padding-top:19px}.avatar{width:33px;height:33px;background:#e9eeda;border-radius:10px;display:grid;place-items:center;color:#62794c;font-size:10px;font-weight:600;flex-shrink:0}.participant:nth-child(2n) .avatar{background:#ece5d8;color:#8b795e}.person-info{flex:1;min-width:0}.person-info strong{display:block;font-size:10px;font-weight:550;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.person-info small{display:block;font-size:8px;color:#98a08f;margin-top:5px}.person-action{font-size:16px;color:#7c976d}.person-action.remove{font-size:15px;color:#b6bbaa}.waiting-panel{padding:20px;background:#f6f8ec;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.waiting-panel .participant{padding-top:15px}.waiting-panel button{border-radius:5px;font-size:9px;padding:7px;background:#dce9c8}.lesson-note{margin:25px 21px;padding:20px;background:#f5f6ee;border:1px solid #e9ecdf;border-radius:10px}.lesson-note>span{display:block;color:#95a77c;font-size:26px;margin-bottom:14px}.lesson-note b{font-size:10px;font-weight:500}.lesson-note p{font-size:9px;line-height:1.85;color:#96a086;margin-top:10px}#people-panel{overflow:auto}#chat-panel{display:flex;flex-direction:column;flex:1;min-height:0}.messages{flex:1;overflow:auto;padding:18px}.message{background:#f3f6ec;padding:12px;border-radius:9px;margin:0 0 10px;word-break:break-word}.message b{font-size:9px;color:#7d8e70}.message p{font-size:11px;line-height:1.55;margin-top:7px;white-space:pre-wrap}#chat-form{display:flex;margin:12px;border:1px solid var(--line);border-radius:8px;overflow:hidden}#chat-input{border:0;font-size:10px;box-shadow:none;min-width:0}#chat-form button{width:35px;font-size:23px;flex-shrink:0}.call-controls{display:flex;align-items:center;justify-content:space-between;min-height:84px;height:84px;background:#fff;border-top:1px solid var(--line);padding:0 25px;gap:15px}.call-time{display:grid;grid-template-columns:7px 1fr;gap:4px 8px;min-width:130px}.call-time i{width:5px;height:5px;background:#8ba46b;border-radius:50%;align-self:center}.call-time b{font-size:11px;font-weight:500;font-variant-numeric:tabular-nums}.call-time small{grid-column:2;font-size:8px;color:#9aa28e}.control-center{display:flex;align-items:center;gap:14px}.control{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:55px;padding:8px;border-radius:7px;color:#54674d}.control:hover{background:#f2f5ea}.control small{font-size:8px}.control svg{width:20px;height:20px}.control.off{background:#fcefeb;color:#b85d50}.control.on{background:#e8f0da;color:#3f6639}.control-divider{height:27px;width:1px;background:var(--line);margin:0 4px}.leave{display:flex;gap:10px;align-items:center;background:#faefeb;color:#b25a4c;border:1px solid #f1e2dc;padding:11px 17px;border-radius:8px;font-size:10px}.leave svg{width:17px;height:17px}.overlay{position:fixed;inset:0;background:#16392c6b;z-index:10;backdrop-filter:blur(7px);display:grid;place-items:center;padding:20px}.join-card{background:#fffef9;border-radius:18px;box-shadow:0 20px 80px #12302330;padding:38px;width:420px;max-width:100%}.join-card h2{margin-top:16px;font-size:26px;font-weight:500;letter-spacing:-.8px}.join-card>p{margin-top:13px;font-size:12px;line-height:1.7;color:var(--muted)}.join-options{display:flex;gap:25px}.join-options label{display:flex;align-items:center;gap:8px;font-size:11px}.join-options input{width:15px;height:15px;accent-color:var(--green);margin:0}.join-privacy{border-top:1px solid var(--line);margin-top:25px;padding-top:20px;font-size:9px;color:#909b86;line-height:1.7}.waiting-animation{display:flex;gap:9px;margin:32px 0 22px}.waiting-animation i{width:9px;height:9px;background:#87a16a;border-radius:50%;animation:pulse 1.5s infinite}.waiting-animation i:nth-child(2){animation-delay:.2s}.waiting-animation i:nth-child(3){animation-delay:.4s}#waiting-screen h3{font-size:16px;font-weight:500}#waiting-screen p{font-size:12px;color:var(--muted);line-height:1.7;margin-top:10px}@keyframes pulse{50%{opacity:.2;transform:translateY(-5px)}}#toasts{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);z-index:20;max-width:calc(100vw - 32px);pointer-events:none}.toast{background:#244738;color:white;box-shadow:0 8px 30px #13332230;border-radius:9px;padding:13px 20px;font-size:12px;margin-top:8px;line-height:1.5}dialog{color:var(--ink);border:1px solid var(--line);border-radius:15px;padding:30px;width:520px;max-width:calc(100vw - 30px)}dialog::backdrop{background:#19372c77;backdrop-filter:blur(3px)}dialog h2{font-size:22px;font-weight:500;margin:0 0 20px}.dialog-close{position:absolute;right:14px;top:10px;font-size:25px;color:#849578}dialog p{font-size:12px;line-height:1.7;color:var(--muted)}.archive-item{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}.archive-item>div{flex:1}.archive-item b{font-size:12px;display:block}.archive-item small{font-size:10px;color:var(--muted)}.archive-item button{background:#edf2e3;border-radius:6px;padding:9px;font-size:10px}
@media(min-width:1600px){.room-layout{grid-template-columns:90px minmax(0,1fr) 290px}.workspace{padding:25px 36px}.board-tools{left:55px;top:95px}.video-strip{height:160px;min-height:160px}.room-header{height:85px;min-height:85px}.call-controls{height:90px;min-height:90px}}@media(max-width:1000px){.home-main{gap:35px;padding-top:35px}.hero h1{font-size:34px}.home-header{height:75px}.room-layout{grid-template-columns:65px minmax(0,1fr) 220px}.workspace{padding:18px 16px}.board-tools{left:28px;top:85px}.room-header{gap:16px;padding:0 18px}.room-header .brand b{display:none}.sidebar .side-tabs{padding:0 14px;gap:15px}.video-strip{min-height:100px;height:100px}.tile{min-width:135px}.board-state{display:none}.side-section{padding:20px 14px}.call-time{min-width:80px}.control-center{gap:5px}.control{min-width:48px}}@media(max-width:740px){.home-header{padding:0 20px}.home-header .version{font-size:9px}.home-main{display:block;padding:35px 20px}.hero h1{font-size:35px}.hero>p br{display:none}.visual-board{display:none}.create-card{margin-top:35px;padding:25px}.home-footer{flex-wrap:wrap;gap:18px;margin-top:0}.room-header{height:64px;min-height:64px;padding:0 13px;gap:12px}.room-heading{padding-left:12px}.room-heading h1{font-size:11px}.room-heading .small-label{font-size:6px}.connection{font-size:8px}.record-badge{font-size:8px;padding:5px}.room-header .secondary{font-size:0;padding:8px}.room-header .secondary svg{width:18px}.room-layout{grid-template-columns:48px minmax(0,1fr);position:relative}.rail{padding:14px 3px;gap:9px}.rail-button{width:40px;padding:10px 2px;gap:6px}.rail-button small{font-size:7px}.rail-button svg{width:18px;height:18px}.rail-word{font-size:6px}.workspace{padding:13px 10px}.workspace-heading{margin-bottom:12px}.workspace-heading h2{font-size:16px}.workspace-heading .small-label{font-size:6px}.board-tools{left:18px;top:68px;padding:4px;gap:2px;max-width:calc(100% - 30px)}.tool{width:26px;height:26px}.color{width:14px;height:14px;margin:0 1px}.tool-separator{margin:0 1px}.board-empty h3{font-size:12px}.board-empty p{font-size:8px}.board-empty>span{font-size:40px}.video-strip{height:88px;min-height:88px;gap:7px;margin-top:10px}.tile{min-width:125px}.sidebar{display:none}.call-controls{height:73px;min-height:73px;padding:0 10px;gap:5px}.call-time{display:none}.control-center{gap:1px;flex:1;justify-content:space-around}.control{min-width:42px;padding:6px 3px;gap:5px}.control small{font-size:7px}.control svg{width:19px;height:19px}.control-divider{margin:0 3px}.leave{font-size:0;padding:10px}.leave svg{width:18px;height:18px}.join-card{padding:28px}.join-card h2{font-size:24px}.video-grid{grid-template-columns:1fr}.classroom.mobile-people .sidebar{display:flex;position:absolute;inset:0 0 0 48px;z-index:5}.rail-spacer{min-height:0}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}

.mobile-toggle{display:none}@media(max-width:740px){.mobile-toggle{display:flex}.mobile-toggle>span{font-size:23px;line-height:20px}}

/* Lesson controls · 0.2 */
.workspace-actions{display:flex;align-items:center;gap:12px}.workspace-actions .secondary{white-space:nowrap;font-size:11px;padding:9px 12px}.board-tools{position:static;flex-shrink:0;align-self:flex-start;margin:0 0 10px;flex-wrap:wrap;max-width:100%}.zoom-label{font-size:11px;min-width:42px;padding:5px}.board-wrap{display:block;overflow:auto;min-height:80px;overscroll-behavior:contain;background:#e5e9df}.board-stage{position:relative;margin:auto;flex-shrink:0;background:#fdfefb radial-gradient(#d7dfce .8px,transparent .8px) 0 0 / 20px 20px;box-shadow:inset 0 0 0 1px #d7dfce}
#board-fit[aria-pressed="true"]{background:#e6efe5;color:var(--green);border-radius:5px}.board-stage canvas{position:absolute;inset:0;width:100%;height:100%;max-width:none;max-height:none;object-fit:fill}.board-empty{inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.tile-expand{position:absolute;top:7px;left:7px;z-index:4;color:white;background:#132d29b8;border:1px solid #ffffff40;border-radius:6px;font-size:21px;width:32px;height:30px;display:grid;place-items:center}.tile-role{right:8px}.workspace.expanded{position:fixed;inset:0;z-index:40;background:var(--paper,#f5f6ee);padding:20px;width:100vw;height:100dvh}.workspace.expanded .video-strip{display:none}.tile.expanded{position:fixed;inset:0;z-index:50;width:100vw!important;height:100dvh!important;border-radius:0;background:#102e29}.tile.expanded video{object-fit:contain}.tile.expanded .tile-expand{font-size:28px;width:44px;height:44px;top:18px;left:18px}.tile.expanded .tile-label{font-size:16px;padding:10px;bottom:20px;left:20px}.workspace:fullscreen,.tile:fullscreen{width:100%;height:100%;background:#f5f6ee}.tile:fullscreen{background:#102e29}.side-tabs{gap:12px;padding:0 14px}.side-tabs button{font-size:10px}.chat-address{padding:13px 14px;border-bottom:1px solid var(--line)}.chat-address label{font-size:10px;margin:0 0 9px}.chat-address select{display:block;width:100%;margin-top:5px;padding:8px;border:1px solid var(--line);border-radius:6px;background:white;color:var(--ink);font:inherit;font-size:11px}.chat-address small{font-size:10px;color:var(--muted);line-height:1.5;display:block}.message>small{display:block;color:var(--muted);font-size:9px;margin-top:5px}.message.private{background:#eeeaf8;border:1px solid #dcd2ee}#activities-panel{overflow:auto;padding:16px;flex:1;min-height:0}.activity-create{display:flex;gap:8px}.activity-create .secondary{font-size:11px;padding:9px}.activity-note,.activity-empty{font-size:11px;color:var(--muted);line-height:1.6;margin:15px 0}.activity-card{padding:14px 12px;border:1px solid var(--line);border-radius:10px;background:#fafbf6;margin:0 0 15px;overflow-wrap:anywhere}.activity-card>small{font-size:8px;letter-spacing:.6px;color:var(--muted)}.activity-card h3{font-size:15px;line-height:1.4;margin:8px 0 14px}.activity-card fieldset{border:0;padding:0;margin:0 0 16px;min-width:0}.activity-card legend{font-size:12px;line-height:1.5;margin-bottom:8px}.answer-option{display:flex;align-items:flex-start;gap:7px;font-size:11px;line-height:1.5;margin:7px 0;padding:7px;background:white;border-radius:5px}.answer-option input{width:14px;height:14px;margin:2px 0 0;flex-shrink:0;accent-color:var(--green)}.answer-option>span{flex:1}.answer-option .correct-answer{color:#367338}.answer-count{border-radius:3px;background:#edf2e3;padding:0 4px}.activity-card .primary,.activity-card .secondary{font-size:11px;padding:11px;width:100%;margin-top:8px}.answer-status,.activity-response,.quiz-score{font-size:11px;line-height:1.5;margin:10px 0}.quiz-score{font-weight:700;color:#367338}.question-editor{border:1px solid var(--line);border-radius:8px;margin:14px 0;padding:14px}.question-editor legend{font-size:12px;padding:0 6px}.question-editor label{margin-top:12px;font-size:12px}.question-editor textarea{font:inherit;resize:vertical}#activity-form>.secondary{margin-bottom:14px}#activity-form>.primary{margin-top:16px}.quality-toggle{display:flex;align-items:center;gap:10px;font-size:13px}.quality-toggle input{width:18px;height:18px;margin:0;flex-shrink:0}.quality-stats{margin:20px 0}.quality-stats h3{font-size:14px;margin-top:15px}.quality-stats small{display:block;font-size:10px;color:var(--muted);margin-top:16px;line-height:1.5}dialog{max-height:90dvh;overflow:auto}button:focus-visible,select:focus-visible{outline:2px solid #628a4c;outline-offset:2px}
@media(max-width:740px){.workspace-heading{gap:5px}.workspace-actions .secondary{font-size:9px;padding:7px}.workspace.expanded{padding:10px}.board-tools{gap:2px;margin-bottom:7px}.zoom-label{min-width:34px;font-size:10px}.side-tabs{padding:0 15px;gap:20px}.side-tabs button{font-size:12px}.control{min-width:34px}.control-center{gap:0}.control small{font-size:7px}.tile-expand{width:28px;height:27px}.activity-create .secondary{flex:1}.board-stage{min-width:0}}

.tile-expand svg{width:19px;height:19px}.workspace-actions .secondary{display:flex;align-items:center;gap:6px}.workspace-actions svg{width:15px;height:15px;flex-shrink:0}
/* Device moderation and recovery stay available on narrow screens. */
.participant{flex-wrap:wrap}.person-devices{display:flex;gap:6px;width:100%;padding-left:40px}.person-devices .device-action{font-size:11px;padding:7px 8px;border:1px solid #cbd7cf;border-radius:8px;background:#f3f6f0;color:#244d40;flex:1;white-space:normal}
#device-requests{position:fixed;z-index:110;right:18px;bottom:100px;width:min(360px,calc(100vw - 36px));display:grid;gap:10px}.device-request{padding:18px;background:#fffdf4;color:#173b31;border:2px solid #77986a;border-radius:16px;box-shadow:0 12px 45px #143e3233}.device-request p{margin:0 0 14px;font-weight:600}.device-request button{margin-right:8px}.device-request .primary{display:inline-flex;width:auto;padding:10px 18px}.play-audio{position:absolute;z-index:3;left:10px;right:10px;top:42%;padding:10px;border:0;border-radius:9px;color:#173b31;background:#f3f9e7;font-weight:600;cursor:pointer}
#recover-media{font-size:12px;white-space:normal}.workspace-actions{flex-wrap:wrap;justify-content:flex-end}
@media(max-width:740px){.workspace-heading{flex-wrap:wrap;gap:8px}.workspace-actions{gap:5px}#recover-media,#expand-workspace{padding:6px 9px;font-size:10px}#device-requests{bottom:85px;right:10px;width:calc(100vw - 20px)}.person-devices{padding-left:0}}

.media-notice{flex-shrink:0;margin:0 0 10px;padding:9px 12px;max-height:100px;overflow:auto;border:1px solid #e3cf9c;background:#fff7df;color:#675024;border-radius:9px;font-size:12px;line-height:1.5}
.quality-report{width:100%;min-height:180px;margin-top:12px;font:11px monospace}.quality-stats p{overflow-wrap:anywhere}
/* Shared materials and precise whiteboard tools. */
.stroke-width{display:flex;align-items:center;gap:5px;font-size:11px;margin:0 3px}.stroke-width select{width:80px;padding:4px;border:1px solid var(--line);border-radius:5px;font:inherit}.documents-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;font-size:12px;flex-shrink:0}.document-title{flex:1;min-width:100px;overflow-wrap:anywhere;font-weight:600}.page-controls{display:flex;gap:7px;align-items:center}.page-controls label{display:flex;align-items:center;gap:5px}.page-controls input{width:55px;padding:6px;font-size:14px}.page-controls .secondary{padding:7px 11px}.follow-document{display:flex;align-items:center;gap:5px;font-size:11px}.follow-document input{width:auto;margin:0}#document-status{flex-basis:100%;font-size:11px;color:var(--muted)}.documents-empty{padding:16px;border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:10px;font-size:13px}.documents-empty p{margin:7px 0 12px}.material-upload{display:grid;gap:9px;margin:18px 0 8px}.material-upload input{font-size:14px;max-width:100%;padding:9px}.materials-list{display:grid;gap:10px;margin-top:16px}.material-row{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:12px;flex-wrap:wrap}.material-row>div{flex:1;min-width:160px;overflow-wrap:anywhere}.material-state{display:block;margin-top:4px;color:var(--muted);font-size:12px}.material-upload-status{font-size:13px}.material-row button{padding:8px 10px}#document-status:empty{display:none}.rail-button small{overflow-wrap:anywhere}
@media(max-width:600px){.stroke-width{font-size:10px}.stroke-width select{width:66px}.documents-bar{gap:6px}.document-title{flex-basis:100%;order:-1}.page-controls{gap:4px}.documents-bar .secondary{font-size:11px;padding:7px}.document-title{font-size:12px}.material-row>div{flex-basis:100%}.page-controls input{font-size:16px}.board-tools .tool{min-width:30px;min-height:30px}}

.teaching-tools{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px;flex-shrink:0}.teaching-tools .secondary{font-size:11px;padding:7px 10px}.teaching-tools .active{background:#dce9d1;color:#31592d}.board-context{height:37px;min-height:37px;display:flex;align-items:center;gap:12px;margin-bottom:4px;overflow-x:auto;flex-shrink:0;white-space:nowrap}.board-context>div{display:flex;align-items:center;gap:7px;font-size:10px}.board-context>div[hidden]{display:none}.board-context .secondary{font-size:10px;padding:5px 7px}.board-context input[type=range]{width:170px;margin:0;accent-color:#547f41}.formula-presets{display:flex;gap:6px;flex-wrap:wrap;margin:15px 0}.formula-presets button{padding:8px;font-size:14px}#formula-text{margin:10px 0 18px;font-size:18px}#formula-add,#graph-add{margin-top:15px}body.video-view .teaching-tools,body.video-view .board-context{display:none}@media(max-width:740px){.teaching-tools{gap:4px}.teaching-tools .secondary{font-size:10px;padding:6px 8px}.board-context{height:34px;min-height:34px}.board-context input[type=range]{width:110px}.board-context>div{font-size:9px}.board-context .secondary{padding:5px}.board-tools{margin-bottom:4px}}
@media(max-width:740px){.board-tools{flex-wrap:nowrap;overflow-x:auto;align-self:stretch;max-width:100%;min-height:44px;gap:5px;padding:5px}.board-tools>*{flex-shrink:0}.teaching-tools{flex-wrap:nowrap;overflow-x:auto;min-height:35px}.teaching-tools>*{flex-shrink:0}.board-context{margin-bottom:0}.stroke-width{white-space:nowrap}.stroke-width select{width:65px}.documents-bar .document-title{font-size:11px}.documents-bar{margin-bottom:6px}}
/* Subject library and graph preview, 0.7.0 */
.subject-dialog{width:820px}.subject-dialog #dialog-content>p{margin-bottom:12px}.formula-filters{display:grid;grid-template-columns:1fr 1fr;gap:12px}.subject-dialog select{display:block;width:100%;padding:10px;border:1px solid var(--line);border-radius:7px;background:white;font:inherit;color:var(--ink);margin-top:6px}.subject-dialog label{font-size:12px;margin:8px 0;min-width:0}.formula-count{margin:8px 0}.formula-results{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:260px;overflow:auto;padding:3px}.formula-result{padding:12px;text-align:left;border:1px solid var(--line);border-radius:9px;background:#f7f9f1;min-width:0;overflow-wrap:anywhere}.formula-result small{display:block;color:var(--muted);font-size:10px}.formula-result strong{display:block;font-size:13px;margin:6px 0}.formula-result span{font-size:17px;font-family:Georgia,serif;line-height:1.5}.formula-result:hover,.formula-result[aria-pressed=true]{background:#eaf2dd;border-color:#77965e}.formula-selected{border-left:3px solid #7b9769;padding:10px 14px;margin-top:12px;background:#f6f8ef}.formula-selected p{margin-top:5px}.formula-named{display:flex;align-items:center;gap:8px}.formula-named input{width:17px;height:17px;margin:0;order:-1}.formula-selected[hidden],.formula-named[hidden],.graph-fields label[hidden]{display:none}.subject-dialog #formula-text{margin:7px 0}.subject-dialog .formula-presets{margin:6px 0}.subject-dialog .formula-presets button{min-width:34px;padding:5px}.graph-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px 12px}.graph-fields input{margin-top:4px;padding:9px;width:100%}#graph-preview{display:block;width:100%;height:auto;background:#fafcf7;border:1px solid var(--line);border-radius:10px;margin-top:10px}#graph-status{margin-top:8px}.subject-dialog button:disabled{opacity:.5;cursor:not-allowed}.subject-dialog .primary{margin-bottom:12px}
@media(max-width:600px){.subject-dialog{padding:25px 16px}.subject-dialog h2{font-size:18px;padding-right:16px}.formula-results{grid-template-columns:1fr;max-height:220px}.formula-filters{gap:8px}.graph-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-dialog #formula-text{font-size:16px}.subject-dialog .formula-presets{gap:4px}}
/* Local floating video, inside the native fullscreen workspace. */
.floating-video{position:absolute;z-index:6;display:flex;flex-direction:column;border:1px solid #506e61;background:#18372e;border-radius:12px;box-shadow:0 10px 34px #102b3040;overflow:hidden;min-width:0;min-height:0;color:#f6f8f0}.floating-video[hidden]{display:none}.floating-video-header{height:40px;min-height:40px;display:flex;align-items:center;gap:2px;padding:3px 5px;background:#244a3c;border-bottom:1px solid #ffffff18}.floating-video-header>button{color:#f0f5e9;border-radius:6px;min-width:30px;height:30px;flex-shrink:0;font-size:20px}.floating-video-header>button:hover{background:#ffffff15}.floating-video-header>.floating-video-move{display:flex;align-items:center;gap:7px;flex:1;min-width:0;text-align:left;cursor:grab;touch-action:none;user-select:none;padding:4px;font-size:12px;font-weight:600}.floating-video-move:active{cursor:grabbing}#floating-video-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.floating-video-body{position:relative;flex:1;min-height:0;display:flex;padding:6px 6px 18px}.floating-video-grid{display:grid;gap:5px;flex:1;min-height:0;overflow:auto;overscroll-behavior:contain}.floating-video .tile{width:100%;min-width:0;min-height:72px;height:100%;border-color:#49695b;border-radius:7px}.floating-video .tile video{object-fit:contain}.floating-video .tile-label{font-size:10px;bottom:4px;left:4px;padding:3px 5px;max-width:calc(100% - 8px)}.floating-video .tile-expand{width:26px;height:24px;top:4px;left:4px}.floating-video .tile-expand svg{width:15px;height:15px}.floating-video .tile-placeholder{font-size:24px;padding-bottom:20px}.floating-video-status{display:none}.floating-video .no-video .floating-video-status{display:block;position:absolute;left:4px;right:4px;top:50%;text-align:center;font-size:10px;color:#cad9c2;pointer-events:none}.floating-video .play-audio{font-size:10px;padding:5px}.floating-video-resize{position:absolute;bottom:0;right:0;z-index:5;width:27px;height:25px;display:grid;place-items:center;cursor:nwse-resize;touch-action:none;color:#c4d7b6;font-size:17px;background:#244a3c;border-radius:8px 0 0 0;user-select:none}.floating-video.minimized .floating-video-body,.floating-video.minimized .floating-video-resize{display:none}.floating-video.minimized .floating-video-header{border:0}#floating-video-empty{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:25px;color:#c9d7bf;font-size:12px;line-height:1.6;pointer-events:none}#floating-video-empty[hidden]{display:none}#toggle-floating-video[aria-pressed=true]{background:#e3edd8}.floating-video button:focus-visible{outline:2px solid #cbe4a4;outline-offset:-2px}
@media(max-width:740px){.workspace.expanded .workspace-actions{flex-wrap:wrap;justify-content:flex-end;gap:4px}.workspace.expanded .workspace-actions .secondary{font-size:10px;padding:6px}.floating-video .tile-label{font-size:9px}.floating-video-header>.floating-video-move{font-size:11px}}

.device-panel label{display:block;margin:18px 0 8px;font-size:14px}.device-panel select{display:block;width:100%;max-width:100%;margin-top:7px;padding:12px;border:1px solid var(--line);border-radius:8px;background:white;font:inherit;font-size:16px}.device-panel meter{display:block;width:100%;height:22px;margin:14px 0}.device-panel details{background:#f0f2e9;padding:12px;border-radius:8px;font-size:13px;line-height:1.6}.device-panel summary{cursor:pointer}.device-panel p,.device-hint{font-size:12px;line-height:1.6;overflow-wrap:anywhere}.device-panel .secondary{min-height:44px}.device-hint{margin:12px 0}#open-devices{margin-top:12px;width:100%;min-height:44px}.permission-help{position:fixed;z-index:70;left:50%;transform:translateX(-50%);bottom:90px;max-width:calc(100% - 28px);width:420px;padding:12px;border:1px solid #bd9b62;border-radius:10px;background:#fff5db;box-shadow:0 4px 18px #0002;font-size:13px}.permission-help .secondary{margin-top:6px;min-height:44px}#join-overlay{overflow:auto}.join-card{max-height:calc(100dvh - 24px);overflow:auto}