@import url('/static/fonts.css');

:root{--bg:#f6f7f3;--paper:#fff;--ink:#202e2a;--muted:#7b8580;--line:#e7ece6;--green:#225d4d;--lime:#d4edb1;--peach:#f3d9c6;--lavender:#ebe5f6;--red:#b74747;--radius:22px;font-family:"OneClass Sans",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:var(--green);text-decoration:none}button{border:0;background:none;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #94bda7;outline-offset:3px}button svg{width:20px;height:20px;flex-shrink:0}h1,h2,h3,p{margin:0}h1{font-size:32px;line-height:1.4;letter-spacing:-1px}h2{font-size:21px;letter-spacing:-.4px}h3{font-size:17px}p{line-height:1.8}.muted{color:var(--muted);font-size:13px}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.stack{display:grid;gap:18px}.small{font-size:12px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--muted);text-transform:uppercase}.brand{display:flex;gap:10px;align-items:center;font-size:20px;font-weight:750;letter-spacing:-.5px}.brand small{display:block;font-size:9px;letter-spacing:3px;color:var(--muted);font-weight:500;margin-top:3px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex-shrink:0;background:var(--green);color:white;border-radius:14px;font-size:35px;line-height:1;font-family:"OneClass Sans",sans-serif;font-weight:bold;letter-spacing:-10px;padding-right:8px}.brand-mark span{color:var(--lime)}.boot{height:100vh;height:100dvh;display:grid;place-content:center;justify-items:center;gap:18px}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh;min-height:100dvh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:34px 22px;position:fixed;top:0;right:auto;bottom:0;left:0;inset:0 auto 0 0;width:232px;display:flex;flex-direction:column;z-index:20}.sidebar .brand{margin-bottom:52px}.nav{display:grid;gap:8px}.nav button{display:flex;align-items:center;gap:13px;padding:13px 16px;text-align:left;color:#7b8580;font-size:14px;border-radius:12px;transition:background .15s}.nav button:hover{background:var(--bg)}.nav button.active{background:#eaf1e9;color:var(--green);font-weight:650}.side-bottom{margin-top:auto;padding-top:24px}.side-note{padding:20px 15px;background:#f7f8f2;border-radius:16px;margin-bottom:20px}.side-note .sun{font-size:32px;color:var(--green);margin-bottom:12px}.side-note p{font-size:12px;color:var(--muted)}.usercard{display:flex;align-items:center;gap:12px;font-size:13px}.avatar{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--lavender);color:#77628c;font-size:16px;font-weight:600;flex-shrink:0}.avatar.green{background:#e9f1de;color:var(--green)}.avatar.peach{background:var(--peach);color:#9b6b4e}.main{grid-column:2;padding:0 42px 42px;min-width:0;max-width:1600px;width:100%;margin:auto}.topbar{height:96px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:16px}.breadcrumb{font-size:13px;color:var(--muted)}.lang{border:1px solid var(--line);background:#fff;padding:8px 10px;border-radius:10px;color:#55645c;max-width:145px;font-size:12px}.page-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:30px 0 24px}.page-head p{margin-top:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border-radius:12px;font-size:13px;font-weight:600;white-space:nowrap;background:#fff;border:1px solid var(--line);line-height:1.5;transition:transform .12s,background .15s}.btn:active{transform:scale(.98)}.btn.primary{background:var(--green);border-color:var(--green);color:#fff}.btn.lime{background:var(--lime);border:0;color:var(--green)}.btn.danger{background:#fff2f0;color:var(--red);border-color:#f1d8d4}.btn.ghost{background:transparent;border:0;color:var(--green);padding:8px 2px}.btn.sm{padding:8px 12px;font-size:12px}.hero{display:grid;grid-template-columns:1.2fr .8fr;overflow:hidden;background:#e9efdf;border-radius:var(--radius);padding:32px 34px;min-height:240px;position:relative}.hero h2{font-size:29px;max-width:500px;line-height:1.5;margin:12px 0}.hero p{color:#76836b;font-size:13px;max-width:360px}.hero-art{position:relative;display:grid;place-items:center;min-height:170px}.orbit{width:180px;height:180px;border:1px solid #c7d5b8;border-radius:50%;position:relative;transform:rotate(-16deg)}.orbit:before{content:'';position:absolute;top:24px;right:24px;bottom:24px;left:24px;inset:24px;border:1px solid #c7d5b8;border-radius:50%}.art-card{position:absolute;width:150px;height:104px;background:#fff;border-radius:17px;box-shadow:0 15px 30px #45623315;transform:rotate(8deg);top:28px;left:6px;display:flex;align-items:center;justify-content:center;gap:10px}.art-face{width:48px;height:60px;border-radius:35px 35px 18px 18px;background:#f3d3b7;position:relative}.art-face:before{content:'';position:absolute;top:9px;left:7px;width:34px;height:28px;border-radius:30px 30px 8px 8px;background:#3b4942}.art-face:after{content:'';position:absolute;bottom:0;left:0;width:48px;height:25px;border-radius:26px 26px 14px 14px;background:#819d76}.art-face.alt{background:#e9e0f4}.art-face.alt:before{background:#97785d}.art-face.alt:after{background:#b3a2c8}.art-badge{position:absolute;bottom:-8px;right:-24px;background:var(--green);color:white;border-radius:12px;padding:9px 13px;display:flex;align-items:center;gap:7px;font-size:10px;transform:rotate(10deg)}.art-star{position:absolute;right:0;top:5px;color:#7b9467;font-size:40px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 28px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;display:flex;align-items:center;justify-content:space-between}.stat b{font-size:30px;letter-spacing:-1px;font-weight:650;display:block;margin-top:9px}.stat-icon{width:45px;height:45px;border-radius:14px;background:var(--lavender);color:#8b79a2;display:grid;place-items:center}.stat:nth-child(2) .stat-icon{background:#f5e6d9;color:#ad896e}.stat:nth-child(3) .stat-icon{background:#e8efde;color:#7e9367}.stat-icon svg{width:22px;height:22px}.dashboard-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;min-width:0}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;gap:12px}.next-card{padding:22px;background:#f8f6fb;border:1px solid #eae4f2;border-radius:16px}.next-card h3{margin:16px 0 8px}.next-card .btn{margin-top:20px;width:100%}.tag{display:inline-flex;align-items:center;gap:5px;font-size:10px;padding:5px 9px;border-radius:6px;white-space:nowrap;background:#edf3e5;color:#66834a;font-weight:600}.tag.completed{background:#f0eef7;color:#89769e}.tag.cancelled,.tag.revoked,.tag.expired{background:#f4eeee;color:#a17777}.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}.quick-grid{display:grid;gap:12px}.quick-btn{display:flex;align-items:center;gap:14px;padding:16px;background:#fbfbf9;border:1px solid var(--line);border-radius:14px;text-align:left;font-size:13px;font-weight:600}.quick-btn svg{color:var(--green)}.quick-btn .arrow{margin-left:auto;color:#91a18e}.course-list{display:grid;gap:14px}.course{display:flex;align-items:center;gap:18px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}.datebox{width:62px;min-height:66px;border-radius:12px;background:#f1f3ed;display:grid;place-content:center;text-align:center;flex-shrink:0;color:var(--green);gap:3px}.datebox b{font-size:24px;font-weight:600}.datebox span{font-size:10px}.course-info{flex:1;min-width:0}.course-info h3{font-size:15px;overflow-wrap:anywhere}.course-info p{margin-top:8px;font-size:12px;color:var(--muted)}.course-actions{display:flex;gap:8px;align-items:center}.tabs{display:flex;gap:8px;margin-bottom:22px;overflow-x:auto}.tabs button{padding:10px 18px;border-radius:10px;font-size:13px;white-space:nowrap;color:var(--muted)}.tabs button.active{background:var(--green);color:white}.empty{padding:44px 18px;text-align:center;border:1px dashed #dce3d7;border-radius:16px;background:#fafbf8}.empty svg{width:34px;height:34px;margin-bottom:15px;color:#99ad8f}.empty h3{font-size:15px;margin-bottom:9px}.empty p{font-size:12px;color:var(--muted);max-width:460px;margin:auto}.empty .btn{margin-top:20px}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}.person{padding:23px;background:#fff;border:1px solid var(--line);border-radius:18px}.person .row{margin-bottom:18px}.person .actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;padding-top:17px;border-top:1px solid var(--line)}.invite-code{font:600 23px ui-monospace,monospace;letter-spacing:2px;margin:22px 0;overflow-wrap:anywhere}.video-tile{aspect-ratio:16/9;background:#e9eee3;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;color:var(--green)}.video-tile svg{width:44px;height:44px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.form{display:grid;gap:17px}.field{display:grid;gap:8px;font-size:12px;font-weight:600}.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #dde4db;border-radius:10px;outline:none;background:#fff;color:var(--ink);min-height:45px;font-size:14px}.field input:focus,.field select:focus,.field textarea:focus{border-color:#67957e;box-shadow:0 0 0 3px #225d4d0b}.field input::placeholder{color:#a6afa8;font-size:12px}.field textarea{min-height:85px;resize:vertical}.field input[type=file]{font-size:12px}.form-split{display:grid;grid-template-columns:1fr 1fr;gap:15px}.check{display:flex;gap:10px;font-size:12px;line-height:1.8;color:#6f7f73;align-items:flex-start}.check input{accent-color:var(--green);width:17px;height:17px;flex-shrink:0}.toggle-row{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;padding:16px 0}.toggle-row p{font-size:12px;color:var(--muted);margin-top:8px}.switch{position:relative;width:44px;height:25px;flex-shrink:0;margin-top:3px}.switch input{opacity:0;position:absolute;width:100%;height:100%;margin:0;cursor:pointer;z-index:2}.switch span{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;background:#dce2d8;border-radius:20px;transition:.2s}.switch span:after{content:'';position:absolute;width:19px;height:19px;border-radius:50%;background:white;left:3px;top:3px;transition:.2s}.switch input:checked+span{background:var(--green)}.switch input:checked+span:after{transform:translateX(19px)}.switch input:focus-visible+span{outline:3px solid #94bda7;outline-offset:3px}.notice{background:#f4f6ed;border-radius:12px;padding:15px 18px;font-size:12px;color:#78866e;line-height:1.9}.notice.warn{background:#fff2e6;color:#976c43}.divider{border:0;border-top:1px solid var(--line);margin:20px 0}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}th{text-align:left;color:var(--muted);font-weight:500;padding:12px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:14px 12px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.positive{color:var(--green)}.negative{color:var(--red)}.mobile-nav{display:none}.modal-cover{position:fixed;top:0;right:0;bottom:0;left:0;inset:0;background:#152b2466;display:flex;align-items:center;justify-content:center;padding:24px;z-index:100;backdrop-filter:blur(4px)}.modal{background:white;width:100%;max-width:510px;max-height:90vh;max-height:90dvh;overflow:auto;border-radius:22px;padding:28px;box-shadow:0 24px 100px #132e2230}.modal.wide{max-width:800px}.modal header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:20px}.modal header button{padding:6px;color:var(--muted)}.modal footer{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.modal video{width:100%;background:#172a22;border-radius:12px}.modal .prose{font-size:13px;line-height:2;color:#667769}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:#253b31;color:#fff;border-radius:13px;padding:13px 22px;font-size:13px;opacity:0;pointer-events:none;z-index:200;transition:.2s;max-width:90vw;box-shadow:0 10px 40px #0002}#toast.show{opacity:1;transform:translate(-50%,0)}.login-shell{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;min-height:100dvh;background:#fff}.login-art{background:#e9efdf;margin:20px;border-radius:28px;display:flex;flex-direction:column;padding:42px;position:relative;overflow:hidden}.login-art .big-copy{margin-top:70px;z-index:1}.login-art h1{font-size:48px;max-width:460px;line-height:1.45;margin:15px 0 20px}.login-art p{font-size:14px;color:#7a896e;max-width:320px}.login-art .hero-art{flex:1;transform:scale(1.4);min-height:300px}.login-art .foot{font-size:10px;letter-spacing:2px;color:#809373;z-index:1}.login-form-side{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:70px 50px;position:relative}.login-form-side>.lang{position:absolute;right:30px;top:30px}.login-form{width:100%;max-width:365px}.login-form h2{font-size:28px;margin-bottom:8px}.login-form>.muted{margin-bottom:30px}.login-form .form>.btn{margin-top:5px;padding:14px}.login-links{display:grid;gap:14px;justify-items:center;margin-top:24px;font-size:12px}.login-form .mobile-brand{display:none}.status-pill{font-size:11px;display:flex;gap:6px;align-items:center;color:#829173}.room-shell{height:100vh;height:100dvh;background:#eff2ec;display:grid;grid-template-rows:74px 1fr 84px;padding:0 22px}.room-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.room-top h2{font-size:17px}.room-content{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:18px;min-height:0}.stage{background:#203a31;border-radius:20px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:260px}.stage .placeholder{color:#b9cbb9;text-align:center}.stage .placeholder .avatar{margin:0 auto 18px;width:80px;height:80px;font-size:30px;background:#3e594c;color:#cde1bc}.stage video#remote-video{width:100%;height:100%;object-fit:contain;position:absolute;inset:0}.stage video#local-video{position:absolute;right:18px;bottom:18px;width:150px;height:105px;object-fit:cover;border-radius:13px;background:#172b24;z-index:5;border:2px solid #ffffff55}.stage .self-label{position:absolute;right:30px;bottom:25px;color:white;font-size:10px;z-index:6}.stage .video-lesson{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;background:#14291f;z-index:2;display:flex;align-items:center;justify-content:center}.video-lesson video{width:100%;height:100%;object-fit:contain}.stage.lesson-active #remote-video{position:absolute;right:18px;bottom:134px;width:150px;height:105px;top:auto;right:18px;bottom:134px;left:auto;inset:auto 18px 134px auto;z-index:5;border-radius:13px;background:#172b24;object-fit:cover}.playback-controls{position:absolute;bottom:16px;left:18px;right:188px;z-index:4;background:#ffffffed;border-radius:12px;padding:10px;display:flex;gap:12px;align-items:center}.playback-controls input{width:100%;accent-color:var(--green)}.playback-controls .btn{padding:6px 9px}.room-chat{background:#fff;border-radius:20px;display:flex;flex-direction:column;padding:20px;min-height:0}.room-chat h3{font-size:14px;border-bottom:1px solid var(--line);padding-bottom:16px}.messages{flex:1;overflow:auto;padding:14px 0;font-size:12px}.message{margin:10px 0}.message b{font-size:10px;color:var(--muted);display:block;margin-bottom:5px}.message p{background:#f1f4ee;padding:10px 12px;border-radius:0 12px 12px 12px;overflow-wrap:anywhere;white-space:pre-wrap}.message.own p{background:#e7efdf}.chat-form{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:14px}.chat-form input{width:100%;min-width:0;border:0;background:#f5f7f2;border-radius:10px;padding:11px;font-size:12px;outline:0}.room-controls{display:flex;align-items:center;justify-content:center;gap:10px;overflow-x:auto}.room-controls .btn{font-size:11px;padding:10px 13px}.room-controls .btn.off{background:#f4d9d5;color:#ad5555}.room-controls .btn.active{background:var(--green);color:white}.room-status{position:absolute;top:18px;left:18px;background:#20342cbb;color:#daead6;padding:7px 12px;border-radius:8px;font-size:11px;z-index:6}.teacher-toolbar{display:flex;gap:8px}.teacher-toolbar select{max-width:180px}.loading-screen{padding:80px;text-align:center;color:var(--muted)}.error-inline{color:var(--red);font-size:12px;line-height:1.8;min-height:0}.no-display{display:none!important}.reminder{padding:12px 18px;background:#e9f0dc;border:1px solid #d1dfbd;border-radius:12px;font-size:13px;margin-top:20px}.download-link{font-size:12px;margin-top:10px}

@media(min-width:1450px){.main{padding-left:60px;padding-right:60px}.hero{min-height:270px}.hero-art{transform:scale(1.1)}}

@media(max-width:1100px){.sidebar{width:194px;padding:30px 15px}.shell{grid-template-columns:194px 1fr}.main{padding:0 25px 30px}.brand{font-size:17px}.dashboard-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}.hero h2{font-size:25px}.login-art{padding:30px}.login-art h1{font-size:38px}.room-content{grid-template-columns:1fr 240px}.room-controls{gap:6px}.room-controls .btn{padding:10px}}

@media(max-width:760px){h1{font-size:25px}.shell{display:block}.sidebar{display:none}.main{padding:0 18px 98px}.topbar{height:75px}.topbar .breadcrumb{font-size:13px;color:var(--green);font-weight:700}.topbar .date-label{display:none}.topbar .avatar{width:33px;height:33px;font-size:13px}.page-head{margin:26px 0 20px;align-items:flex-start}.page-head>.btn{padding:9px 11px;font-size:11px}.page-head p{font-size:12px}.hero{padding:25px 22px;grid-template-columns:1fr;min-height:230px}.hero h2{font-size:25px;max-width:230px;margin-bottom:10px}.hero p{max-width:240px}.hero-art{position:absolute;right:-24px;top:27px;transform:scale(.63);transform-origin:right center;opacity:.72}.hero>div:first-child{z-index:1}.hero .eyebrow{font-size:9px}.stats{gap:9px;margin:14px 0 23px}.stat{padding:15px 12px;display:block;border-radius:15px}.stat-icon{display:none}.stat .muted{font-size:10px}.stat b{font-size:26px;margin-top:9px}.dashboard-grid{gap:18px}.panel{padding:20px;border-radius:18px}.section-head{margin-bottom:18px}.section-head h2{font-size:17px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:#fffffff5;backdrop-filter:blur(15px);border-top:1px solid var(--line);padding:12px 7px calc(10px + env(safe-area-inset-bottom));z-index:30}.mobile-nav button{font-size:10px;display:grid;gap:6px;justify-items:center;color:#96a18e;flex:1;padding:2px 0}.mobile-nav button svg{width:20px;height:20px}.mobile-nav button.active{color:var(--green);font-weight:700}.course{padding:15px;gap:12px;flex-wrap:wrap}.datebox{width:49px;min-height:57px}.datebox b{font-size:21px}.course-info h3{font-size:14px}.course-info p{font-size:10px}.course-actions{width:100%;justify-content:flex-end;padding-top:10px;border-top:1px solid var(--line)}.cards{grid-template-columns:1fr}.person{padding:20px}.tabs{margin-bottom:17px}.tabs button{padding:9px 13px;font-size:12px}.settings-grid{gap:18px}.form-split{gap:10px}.modal-cover{padding:14px}.modal{padding:23px;max-height:92vh;max-height:92dvh}.modal header h2{font-size:19px}#toast{bottom:90px;white-space:normal;width:max-content;max-width:90vw}.login-shell{grid-template-columns:1fr;background:var(--bg)}.login-art{display:none}.login-form-side{padding:86px 25px 35px;justify-content:flex-start}.login-form-side>.lang{top:24px;right:24px}.login-form .mobile-brand{display:flex;margin-bottom:38px}.login-form{max-width:420px}.login-form h2{font-size:29px}.login-form .form{gap:16px}.login-form>.muted{margin-bottom:27px}.room-shell{padding:0 10px;grid-template-rows:auto 1fr auto;height:100vh;height:100dvh}.room-top{padding:13px 4px;flex-wrap:wrap}.room-top h2{font-size:13px}.room-top .brand{display:none}.teacher-toolbar{width:100%;justify-content:flex-end}.teacher-toolbar select{max-width:200px}.room-content{display:flex;flex-direction:column;gap:10px}.stage{flex:1;min-height:240px;border-radius:14px}.stage video#local-video{width:88px;height:66px;right:10px;bottom:10px}.stage.lesson-active #remote-video{width:88px;height:66px;right:10px;bottom:84px}.stage .self-label{right:17px;bottom:16px;font-size:9px}.room-chat{height:185px;flex-shrink:0;border-radius:14px;padding:12px 15px}.room-chat h3{font-size:12px;padding-bottom:10px}.chat-form{padding-top:8px}.messages{padding:5px 0}.message{margin:8px 0}.message p{padding:7px 10px}.room-controls{justify-content:flex-start;padding:12px 3px calc(12px + env(safe-area-inset-bottom));flex-shrink:0;gap:7px}.room-controls .btn{display:grid;justify-items:center;padding:9px 12px;font-size:9px;gap:5px;min-width:56px}.playback-controls{right:108px;left:10px;bottom:10px;padding:7px;gap:5px}.playback-controls .btn{font-size:10px;padding:6px}.room-status{left:10px;top:10px;font-size:10px}.loading-screen{padding:50px 10px}.side-note{display:none}}

.friend-row{padding:15px 0;border-bottom:1px solid var(--line)}.actions{margin-top:18px}.video-tile{width:100%}.reminder svg{height:16px;width:16px;vertical-align:middle}.setup-note{margin-top:20px}.dashboard-grid{align-items:start}

.recording-indicator{position:absolute;top:52px;left:18px;z-index:7;border-radius:8px;background:#a92e2ee8;color:#fff;padding:7px 12px;font-size:11px}.recording-on{background:#a92e2e!important;color:#fff!important}.recording-player{width:100%;max-height:65vh;max-height:65dvh;background:#14291f;border-radius:12px}.recording-grants{display:grid;gap:12px;max-height:45vh;max-height:45dvh;overflow:auto;padding:8px 0}.modal footer{flex-wrap:wrap}.modal footer .btn{white-space:normal}.page-head .row{justify-content:flex-end}.recording-grants .check span{overflow-wrap:anywhere}

@media(max-width:760px){.page-head>.row{max-width:65%;gap:8px}.page-head>.row .btn{font-size:11px;padding:9px 11px}.recording-indicator{top:42px;left:10px;font-size:10px}.room-controls{scrollbar-width:thin}.mobile-nav button{min-width:0}.mobile-nav button svg{width:18px;height:18px}}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}



/* Keep the login language selector in the form flow, away from the display edge. */

.login-language{display:flex;justify-content:flex-end;margin:0 0 24px}

@media(max-width:760px){.login-form-side{padding-top:48px}.login-form .mobile-brand{margin-bottom:22px}.login-language{margin-bottom:24px}}



/* Compact application dialogs and consistent account actions. */

.brand-mark{padding:0;letter-spacing:0;line-height:0;overflow:hidden}.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}

.account-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:340px}.account-actions .btn{width:100%;min-height:44px;padding:10px 12px;font-size:13px;justify-content:center;margin:0}

.language-trigger{display:inline-flex;align-items:center;justify-content:space-between;gap:10px;min-height:38px;font-size:13px}.language-trigger>span:last-child{font-size:16px}

.language-modal,.contacts-modal{width:calc(100vw - 32px);max-width:340px;padding:20px;border-radius:18px;max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);overflow:auto}

.language-modal header,.contacts-modal header{margin-bottom:14px}.language-modal header h2,.contacts-modal header h2{font-size:17px;line-height:1.5}.language-modal header button,.contacts-modal header button{display:grid;place-items:center;width:30px;height:30px;padding:4px}.language-modal header svg{width:18px;height:18px}

.language-options{display:grid;gap:8px}.language-option{display:flex;align-items:center;justify-content:space-between;min-height:44px;width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 13px;font-size:14px;text-align:left;background:#f8faf6}.language-option.selected{color:var(--green);background:#eaf1e9;border-color:#b7cebe;font-weight:650}.language-option svg{width:17px;height:17px}

.contacts-modal header>button{display:none}.consent-intro{font-size:13px;line-height:1.7}.consent-details{margin-top:12px;border-top:1px solid var(--line);padding-top:10px;font-size:12px;color:var(--muted)}.consent-details summary{cursor:pointer;color:var(--green);font-size:12px}.consent-details p{margin-top:8px;line-height:1.7}

.contacts-modal #contacts-setup-status:empty{display:none}.contacts-modal #contacts-setup-status{font-size:12px;line-height:1.6;color:var(--red);margin-top:10px}

.contacts-modal .consent-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;padding-top:0;border:0}.consent-actions .btn{min-height:42px;width:100%;font-size:13px;padding:10px 12px;justify-content:center}.btn.reject{background:#b74747;color:white;border:1px solid #b74747}

:root{-webkit-text-size-adjust:100%;text-size-adjust:100%}

.native-app .ui-icon,

.mobile-ui .ui-icon{width:20px;height:20px;flex-shrink:0}.native-app .brand-mark,.mobile-ui .brand-mark{width:44px;height:44px}.login-form .mobile-brand{justify-content:center;width:100%;text-align:left}

.app-version{white-space:nowrap;font-size:11px}@media(max-width:760px){.topbar .app-version{display:none}}



/* Keep Android classroom controls centered; wrap extra teacher controls on narrow screens. */

.native-app .room-controls,



/* Keep Android classroom controls centered; wrap extra teacher controls on narrow screens. */

.mobile-ui .room-controls{justify-content:center;flex-wrap:wrap;overflow-x:visible}

.native-app .room-controls .btn,

.mobile-ui .room-controls .btn{flex:0 0 auto}





.contact-management-actions{margin-bottom:12px}#teacher-contacts>.notice{margin:12px 0}#teacher-contacts td{overflow-wrap:anywhere}



.language-select{appearance:none;-webkit-appearance:none;background-image:none}



.native-app .recording-indicator,



.mobile-ui .recording-indicator{display:none!important}.teacher-toolbar{flex-wrap:wrap}.recording-duration{font-variant-numeric:tabular-nums;font-size:12px;white-space:nowrap;color:var(--green);background:#eaf1e9;border:1px solid var(--line);border-radius:10px;padding:8px 10px}.recording-clock-active:before{content:"";display:inline-block;width:7px;height:7px;background:var(--red);border-radius:50%;margin-right:6px}



.person .people-actions{display:flex;flex-wrap:nowrap;gap:8px;overflow-x:auto;align-items:stretch}.people-actions .btn{flex:1 0 auto;justify-content:center;white-space:nowrap;padding:10px 8px;font-size:12px}.person .last-login{margin:14px 0 0;font-size:11px;overflow-wrap:anywhere;line-height:1.7}

@media(max-width:420px){.person .people-actions{gap:5px}.people-actions .btn{padding:9px 5px;font-size:11px}}

.person{min-width:0}.person .people-actions{max-width:100%}.person .people-actions .btn{padding:9px 7px;font-size:11px}@media(max-width:420px){.person .people-actions .btn{padding:9px 5px;font-size:11px}}



.modal.replay-modal{width:min(1200px,calc(100vw - 48px));max-width:none;padding:18px;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px)}.replay-modal header{margin-bottom:12px}.replay-modal .recording-player{display:block;width:100%;aspect-ratio:16/9;max-height:calc(100vh - 120px);max-height:calc(100dvh - 120px);object-fit:contain}@media(max-width:760px){.modal-cover:has(.replay-modal){padding:8px}.modal.replay-modal{width:calc(100vw - 16px);padding:10px;border-radius:14px;max-height:calc(100vh - 16px);max-height:calc(100dvh - 16px)}.replay-modal header{margin-bottom:8px}.replay-modal .recording-player{max-height:calc(100vh - 90px);max-height:calc(100dvh - 90px)}}



.nav .menu-logout,.mobile-nav .menu-logout{color:var(--red)}.nav .menu-logout{margin-top:8px}



.login-form .mobile-brand{justify-content:flex-start;text-align:left}

@media(pointer:coarse){html{touch-action:pan-x pan-y}.field input,.field select,.field textarea,.chat-form input,.language-select{font-size:16px}}



.student-presence{display:inline-flex;align-items:center;gap:6px;margin-top:4px;padding:4px 9px;border-radius:20px;background:#e6e9e6;color:#58625b;font-size:12px;font-weight:600;white-space:nowrap}.student-presence:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.student-presence.entered{background:#d9f3df;color:#176331}



/* Course page: two equal cards per row, with presence above each lesson. */

.course-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}.course-grid>.empty{grid-column:1/-1}

.course-grid .course{display:grid;grid-template-columns:62px minmax(0,1fr);align-content:start;gap:14px;min-width:0}.course-grid .course-presence{grid-column:1/-1;justify-self:start;margin:0}.course-grid .course-actions{grid-column:1/-1;justify-content:flex-end;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px}.course:has(>.course-presence){flex-wrap:wrap}.course-list:not(.course-grid) .course-presence{flex-basis:100%;justify-content:flex-start;background:transparent;padding:0}

@media(max-width:760px){.course-grid{grid-template-columns:minmax(0,1fr)}.course-grid .course{grid-template-columns:49px minmax(0,1fr);gap:12px}.course-grid .course-actions{width:auto}}



/* Arrival state belongs to the whole course card, independently per classroom. */

.course.student-entered{background:#fff1f1;border-color:#e3a0a0}.student-presence.entered{background:#f9dada;color:#a92e2e}.course.student-entered .course-actions{border-color:#edc6c6}

.person .people-actions{overflow-x:hidden;scrollbar-width:none}.people-actions::-webkit-scrollbar{display:none}.person .people-actions .btn{flex:1 1 0;min-width:0;padding:9px 3px;font-size:11px}.login-location{display:block;margin-top:4px}.login-location small{font-size:10px;color:var(--muted)}

/* Swap only CSS positions; stream bindings and recording composition stay fixed. */

.stage.participant-focus:not(.swap-view) video#remote-video{top:0;right:0;bottom:0;left:0;inset:0;width:100%;height:100%;object-fit:contain;z-index:3;border:0;border-radius:0}

.stage.swap-view video#local-video{top:0;right:0;bottom:0;left:0;inset:0;width:100%;height:100%;object-fit:contain;z-index:3;border:0;border-radius:0}

.stage.swap-view video#remote-video{top:auto;right:18px;bottom:18px;left:auto;inset:auto 18px 18px auto;width:150px;height:105px;object-fit:cover;z-index:5;border-radius:13px;border:2px solid #ffffff55;background:#172b24}

.stage.swap-view .self-label{left:18px;right:auto;bottom:18px}

@media(max-width:760px){.stage.swap-view video#remote-video{right:10px;bottom:10px;width:88px;height:66px}.stage.swap-view .self-label{left:12px;bottom:12px}.person .people-actions .btn{font-size:10px;padding:9px 2px}}



.login-dates{display:flex;justify-content:space-between;gap:8px;white-space:nowrap;font-variant-numeric:tabular-nums}.login-dates>span{min-width:0}.login-address{margin-top:4px;overflow-wrap:anywhere}.last-login .login-location{display:inline;margin:0}@media(max-width:420px){.person .last-login{font-size:10px}.login-dates{gap:4px}}

.person .people-actions .btn{white-space:normal;overflow-wrap:anywhere;text-align:center;line-height:1.35;min-height:36px}



.email-code-row{display:flex;align-items:flex-end;gap:10px}.email-code-row .field{flex:1;min-width:0}.email-code-row .btn{flex-shrink:0;min-height:46px;margin-bottom:0}.email-account p{margin:10px 0}.email-test-result{overflow-wrap:anywhere}.settings-grid .field input{min-width:0}.email-account .small{font-size:12px}@media(max-width:420px){.email-code-row{gap:8px}.email-code-row .btn{font-size:12px;padding:10px}}



/* Registration entry and precise account activity times. */

.login-links .register-cta{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:48px;padding:12px 18px;border:1px solid #a5c5b4;border-radius:12px;background:#e7f1e9;color:var(--green);font-size:15px;font-weight:650;cursor:pointer}

.login-links .register-cta:hover{background:#dcecdf}.login-links .register-cta:focus-visible{outline:2px solid var(--green);outline-offset:3px}

.login-dates{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;white-space:normal}.login-dates>span{display:block;min-width:0}.login-dates time{display:block;white-space:nowrap;font-size:11px;color:#64766c}.login-address{margin-top:9px}

@media(max-width:360px){.login-dates{gap:6px}.login-dates time{font-size:10px}}



/* Student view switch stays inside the video, above either participant or lesson. */

.stage .stage-view-switch{position:absolute;top:12px;right:12px;z-index:20;display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1px solid #ffffff55;border-radius:50%;background:#173d32d9;color:#fff;cursor:pointer;box-shadow:0 2px 8px #0003;touch-action:manipulation}

.stage .stage-view-switch .ui-icon{width:21px;height:21px;flex:none}.stage .stage-view-switch:hover{background:#225d4d}.stage .stage-view-switch:focus-visible{outline:2px solid white;outline-offset:3px}



/* First-sign-in contact consent: short summary, details collapsed by default. */

.contacts-modal{max-width:320px;padding:18px;border-radius:16px}.contacts-modal header{margin-bottom:10px}.contacts-modal header h2{font-size:16px}.contacts-modal .consent-intro{margin:0;font-size:13px;line-height:1.6}.contacts-modal .consent-details{margin-top:10px;padding-top:8px}.contacts-modal .consent-actions{margin-top:14px;gap:10px}.contacts-modal .consent-actions .btn{min-height:44px;padding:9px 12px}



.contacts-access-note{margin:0 0 14px;padding:10px 12px;border-radius:10px;background:#eaf1e8;color:#52685b;font-size:12px;line-height:1.6;overflow-wrap:anywhere}





#initial-permission-note{margin:0 0 8px;padding:6px 8px;font-size:12px;line-height:1.45}


/* LIVE 1V1 generated identity: preserve optical centering in every shared layout. */
.brand-mark{background:#ff4e26;padding:0;overflow:hidden}.brand-mark img{display:block;object-fit:cover;width:100%;height:100%}

/* Browser download entry is available at all viewport sizes, never inside native apps. */
.login-links .app-download-cta{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;min-height:46px;padding:11px 16px;border:1px solid #bed4c5;border-radius:12px;background:#eff6ee;color:var(--green);font-size:14px;font-weight:650;line-height:1.5;text-decoration:none}.app-download-cta .ui-icon{width:20px;height:20px;flex-shrink:0}.login-links .app-download-cta:hover{background:#e2eddf}

.stage .remote-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:21;background:#225d4deF;color:#fff;border-color:#ffffff77;max-width:90%;white-space:normal}

.room-audio-levels{position:absolute;left:12px;top:52px;z-index:7;display:flex;gap:8px;pointer-events:none}
.audio-meter{display:flex;align-items:center;gap:8px;padding:6px 9px;border-radius:9px;background:#142b24df;color:#d5e2db;border:1px solid #ffffff30;font-size:11px;line-height:16px}
.audio-meter.speaking{color:#dcffc6;border-color:#a5e387;background:#1b4939ed}
.audio-bars{display:flex;gap:3px;align-items:center;height:17px}
.audio-bars i{display:block;width:3px;height:5px;border-radius:2px;background:#81918a;transition:height .1s,background .1s}
.audio-bars i.lit{background:#b9f18c;height:11px}.audio-bars i:nth-child(2).lit,.audio-bars i:nth-child(4).lit{height:14px}.audio-bars i:nth-child(3).lit{height:17px}
@media(max-width:760px){.room-audio-levels{top:43px;left:10px;gap:6px}.audio-meter{font-size:10px;padding:4px 7px;gap:6px}}

.recording-thumbnail{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#142b24;border-radius:12px;margin:12px 0}

.room-content{grid-template-columns:minmax(0,1fr)}
.live-messages{position:absolute;bottom:68px;left:14px;right:185px;z-index:9;max-height:42%;overflow:hidden;pointer-events:none;display:flex;flex-direction:column;justify-content:flex-end;gap:5px}
.live-messages .message{margin:0;max-width:100%;width:fit-content;background:#142b24d9;color:#fff;border-radius:9px;padding:6px 10px;text-shadow:0 1px 2px #0005}
.live-messages .message b{font-size:10px;color:#d4edb1}.live-messages .message p{background:none;color:#fff;padding:0;font-size:13px;line-height:1.5;overflow-wrap:anywhere}
.live-chat-form{position:absolute;bottom:14px;left:14px;right:185px;z-index:10;display:flex;gap:7px;max-width:520px}
.live-chat-form input{min-width:0;flex:1;border:1px solid #ffffff60;border-radius:10px;background:#142b24d9;color:#fff;padding:9px 12px;font-size:13px}.live-chat-form button{flex:none}
@media(max-width:760px){.room-content .stage{width:100%}.live-chat-form{left:10px;right:108px;bottom:10px;gap:5px}.live-chat-form input{padding:8px;font-size:12px}.live-chat-form button{padding:7px}.live-messages{bottom:59px;left:10px;right:108px}.live-messages .message p{font-size:12px}}

.room-cover{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;width:100%;height:100%;object-fit:contain;background:#14291f}
.stage:has(.room-cover) #remote-video:not(.remote-ready){opacity:0}
.stage:has(.room-cover) .placeholder{display:none}
.teacher-cover-preview{display:block;width:100%;max-height:280px;object-fit:contain;background:#14291f;border-radius:12px}

.room-heading{min-width:0}.room-heading h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-info-row{display:flex;align-items:center;gap:8px}
.native-app .teacher-room,
.mobile-ui .teacher-room{padding-left:8px;padding-right:8px;grid-template-rows:auto minmax(0,1fr) auto;gap:0;overflow:hidden}
.mobile-ui:not(.native-app) .teacher-room{padding-top:env(safe-area-inset-top)}
.native-app .teacher-room .room-top,
.mobile-ui .teacher-room .room-top{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:22px 24px 32px;gap:4px;padding:5px 0 7px;min-width:0}
.native-app .teacher-room .room-top>.brand,
.mobile-ui .teacher-room .room-top>.brand{display:none}
.native-app .teacher-room .room-heading,
.mobile-ui .teacher-room .room-heading{grid-row:1;width:100%}
.native-app .teacher-room .room-heading h2,
.mobile-ui .teacher-room .room-heading h2{font-size:13px;line-height:22px}
.native-app .teacher-room .room-heading p,
.mobile-ui .teacher-room .room-heading p{display:none}
.native-app .teacher-room .room-info-row,
.mobile-ui .teacher-room .room-info-row{grid-row:2;justify-content:space-between;min-width:0}
.native-app .teacher-room .room-info-row .student-presence,
.mobile-ui .teacher-room .room-info-row .student-presence{font-size:10px;padding:3px 7px;line-height:17px;margin:0}
.native-app .teacher-room .room-info-row .recording-duration,
.mobile-ui .teacher-room .room-info-row .recording-duration{font-size:10px;padding:3px 6px;white-space:nowrap;line-height:17px}
.native-app .teacher-room .teacher-toolbar,
.mobile-ui .teacher-room .teacher-toolbar{grid-row:3;display:flex;flex-wrap:nowrap;gap:6px;min-width:0;align-items:stretch}
.native-app .teacher-room .teacher-toolbar .btn,
.mobile-ui .teacher-room .teacher-toolbar .btn{font-size:11px;padding:5px 9px;flex:none}
.native-app .teacher-room .teacher-toolbar select,
.mobile-ui .teacher-room .teacher-toolbar select{min-width:0;max-width:none;flex:1;font-size:11px;padding:4px 7px}
.native-app .teacher-room .room-content,
.mobile-ui .teacher-room .room-content{min-height:0;gap:0;overflow:hidden}
.native-app .teacher-room .stage,
.mobile-ui .teacher-room .stage{min-height:0;flex:1;border-radius:10px}
.native-app .teacher-room .room-controls,
.mobile-ui .teacher-room .room-controls{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));align-items:stretch;gap:3px;flex-wrap:nowrap;overflow:visible;padding:6px 0 calc(5px + env(safe-area-inset-bottom));min-width:0}
.native-app .teacher-room .room-controls .btn,
.mobile-ui .teacher-room .room-controls .btn{min-width:0;width:100%;min-height:49px;padding:5px 1px;display:flex;flex-direction:column;justify-content:center;gap:4px;border-radius:8px;font-size:9px;line-height:12px;white-space:nowrap}
.native-app .teacher-room .room-controls .btn span,
.mobile-ui .teacher-room .room-controls .btn span{max-width:100%;overflow:hidden;text-overflow:ellipsis}
.native-app .teacher-room .room-controls .btn svg,
.mobile-ui .teacher-room .room-controls .btn svg{width:17px;height:17px;flex:none}

.person>audio{display:block;width:100%;margin:12px 0}
.audio-unlock{position:absolute;right:12px;top:66px;z-index:11;width:36px;height:36px;padding:7px;background:#225d4ddf;color:white}
.student-room .recording-indicator{display:none!important}
.native-app .teacher-room .teacher-toolbar .audio-select,
.mobile-ui .teacher-room .teacher-toolbar .audio-select{flex:1}
.native-app .teacher-room .teacher-toolbar>select,
.mobile-ui .teacher-room .teacher-toolbar>select{flex:1;min-width:0;padding:3px;font-size:10px}
.native-app .teacher-room .teacher-toolbar .audio-toggle,
.mobile-ui .teacher-room .teacher-toolbar .audio-toggle{width:29px;padding:5px;flex:none}
.native-app .teacher-room .teacher-toolbar>.btn:first-child,
.mobile-ui .teacher-room .teacher-toolbar>.btn:first-child{padding:4px 6px;font-size:10px}
/* Keep lesson transport above the chat composer, including narrow phone screens. */
.teacher-room .stage.lesson-active .playback-controls{bottom:70px}
.teacher-room .stage.lesson-active .playback-controls input{min-width:0;width:0;flex:1}
.teacher-room .stage.lesson-active .playback-controls .btn{flex:none}
.teacher-room .stage.lesson-active .live-messages{bottom:132px}
.native-app .teacher-room .stage.lesson-active .playback-controls,
.mobile-ui .teacher-room .stage.lesson-active .playback-controls{bottom:60px}
.native-app .teacher-room .stage.lesson-active .live-messages,
.mobile-ui .teacher-room .stage.lesson-active .live-messages{bottom:116px}
.teaching-video-preview video{display:block;width:100%;height:auto;max-height:calc(90vh - 150px);max-height:calc(90dvh - 150px);object-fit:contain}
.teaching-video-preview [role="status"]:not(:empty){margin-top:10px}
/* Teachers keep watching the learner while the lesson replaces their self preview. */
.teacher-room .stage.lesson-active #remote-video{top:0;right:0;bottom:0;left:0;inset:0;width:100%;height:100%;object-fit:contain;z-index:1;border:0;border-radius:0;background:transparent}
.teacher-room .stage.lesson-active #local-video{z-index:4}
.teacher-room .stage.lesson-active .self-label{visibility:hidden}
.teacher-room .stage.lesson-active .video-lesson{top:auto;right:18px;bottom:18px;left:auto;inset:auto 18px 18px auto;width:150px;height:105px;z-index:5;border:2px solid #ffffff55;border-radius:13px;overflow:hidden}
.native-app .teacher-room .stage.lesson-active .video-lesson,
.mobile-ui .teacher-room .stage.lesson-active .video-lesson{right:10px;bottom:10px;width:88px;height:66px}
.stage-video-actions{position:absolute;right:12px;top:12px;z-index:12;display:flex;gap:8px}
.stage .stage-video-actions .stage-view-switch{position:static}
.stage-exit{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#142b24d9;color:#fff;border:1px solid #ffffff55}
.stage-exit svg{width:18px;height:18px}
.student-room .placeholder p{display:none}
.room-participants{display:flex;align-items:center;gap:7px;min-width:0}
.room-participant-names{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.room-participant-names>span{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.room-participants .student-presence{flex:none;margin:0;font-size:10px;padding:3px 7px;line-height:17px}
.native-app .teacher-room .room-participant-names,
.mobile-ui .teacher-room .room-participant-names{font-size:11px;line-height:22px}
.video-tile{position:relative;overflow:hidden;background:#172b24}
.video-tile .teaching-thumbnail{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;width:100%;height:100%;object-fit:contain}
.video-tile>svg{position:relative;z-index:1;color:#fff;background:#142b2499;border-radius:50%;padding:8px}
.teaching-confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
/* Students have no transport bar; only an explicit browser permission fallback. */
.student-room .playback-controls{background:transparent;border:0;box-shadow:none;padding:0;left:auto;right:12px;top:66px;bottom:auto;z-index:12}
.student-room .playback-controls:has(#tap-play.no-display){display:none}
.student-room #tap-play{width:44px;height:44px;border-radius:50%;padding:10px;background:var(--green);color:#fff;border:1px solid #ffffff55}
.student-room .stage.lesson-loading .video-lesson{opacity:0;pointer-events:none}
.student-room .stage.lesson-loading .room-cover{z-index:2;opacity:1}
.student-room .stage.lesson-loading #remote-video{opacity:0}
.student-room .stage.lesson-loading .placeholder{visibility:hidden}
.student-room #lesson-video::-webkit-media-controls-start-playback-button{display:none!important}
.class-like b{font-weight:600;font-variant-numeric:tabular-nums}
.class-like.liked{color:var(--red)}
.class-like.liked svg{fill:#b7474720}
.like-effects{position:absolute;right:12px;bottom:98px;width:86px;height:1px;z-index:8;pointer-events:none;user-select:none}
.like-particle{position:absolute;bottom:0;left:var(--heart-x);width:var(--heart-size);height:var(--heart-size);color:var(--heart-color);pointer-events:none;transform-origin:center;will-change:transform,opacity;animation:class-like-float var(--heart-duration) ease-out both}
.like-particle svg{display:block;width:100%;height:100%;fill:currentColor;stroke:#fff;stroke-width:1}
@keyframes class-like-float{0%{opacity:0;transform:translate3d(0,10px,0) rotate(var(--heart-spin)) scale(.55)}12%{opacity:1;transform:translate3d(var(--heart-sway),-22px,0) rotate(var(--heart-spin)) scale(1.08)}55%{opacity:.9;transform:translate3d(calc(var(--heart-drift) * .55),calc(var(--heart-rise) * -.55),0) rotate(calc(var(--heart-spin) * -.5)) scale(.96)}100%{opacity:0;transform:translate3d(var(--heart-drift),calc(var(--heart-rise) * -1),0) rotate(calc(var(--heart-spin) * -1)) scale(.65)}}
@media(prefers-reduced-motion:reduce){.like-particle{animation:class-like-fade 240ms ease-out both;will-change:opacity;transform:translateY(-10px)}@keyframes class-like-fade{0%{opacity:0}40%{opacity:1}100%{opacity:0}}}
/* Shared studio framing for Android and mobile browsers. */
.room-shell{background:radial-gradient(ellipse at top,#e7f0e9,#f1f4ef 65%);grid-template-rows:auto minmax(0,1fr) auto;gap:10px;padding:14px;box-sizing:border-box}
.room-top{border:1px solid #d9e4dc;border-radius:16px;background:#fffffff5;box-shadow:0 3px 14px #213b2d08;padding:12px 16px}
.room-content{min-width:0;min-height:0}
.room-content .stage{border:2px solid #537b68;border-radius:18px;box-shadow:0 0 0 4px #ffffffb8,0 12px 32px #123a2a16;overflow:hidden;background:#11271e}
.stage #local-video{border:2px solid #ffffffa8;box-shadow:0 4px 16px #0005}
.classroom-bottom{min-width:0;display:grid;gap:4px}
.classroom-bottom .room-controls{margin:0;border:1px solid #d9e4dc;background:#fffffff5;border-radius:15px;padding:8px;box-shadow:0 3px 14px #213b2d08}
.classroom-bottom .room-controls .btn{border:1px solid #dce8df;background:#edf4ee;border-radius:10px;min-height:44px}
.classroom-bottom .room-controls .btn.off{border-color:#efd6d1;background:#fff0ed}
.classroom-bottom .room-controls .btn.active{background:var(--green);border-color:var(--green);color:#fff}
.classroom-assurance{display:flex;align-items:center;justify-content:center;gap:5px;font-size:9px;line-height:16px;color:#6d8173;padding:2px 6px;max-width:100%}
.classroom-assurance svg{width:12px;height:12px}
.classroom-security-details{display:grid;gap:10px;font-size:13px;line-height:1.7}
.classroom-session-label{font-size:9px;font-weight:650;letter-spacing:1.2px;color:#788e7c;white-space:nowrap}
.teacher-room .room-audio-levels{position:static;display:flex;gap:4px;flex:none;pointer-events:none;min-width:0}
.teacher-room .room-audio-levels .audio-meter{font-size:9px;line-height:14px;gap:4px;padding:3px 5px;border-radius:7px;background:#edf4ee;color:#527560;border:1px solid #d7e5db}
.teacher-room .room-audio-levels .audio-meter.speaking{background:#dff3d4;border-color:#8bc179;color:#225d4d}
.teacher-room .room-audio-levels .audio-bars{gap:2px;height:13px}
.teacher-room .room-audio-levels .audio-bars i{width:2px;height:3px}
.teacher-room .room-audio-levels .audio-bars i.lit{background:#3d885c;height:7px}
.teacher-room .room-audio-levels .audio-bars i:nth-child(2).lit,.teacher-room .room-audio-levels .audio-bars i:nth-child(4).lit{height:10px}
.teacher-room .room-audio-levels .audio-bars i:nth-child(3).lit{height:13px}
.student-room-waiting h3{font-size:16px;line-height:1.7;overflow-wrap:anywhere}
.student-room .course-info h3{overflow-wrap:anywhere}
@media(max-width:760px){
 .room-shell{padding:8px;gap:9px;grid-template-rows:auto minmax(0,1fr) auto;height:100vh;height:100dvh;overflow:hidden}
 .room-top{padding:9px 10px;border-radius:14px;gap:6px}
 .room-content .stage{min-height:0;border-radius:15px;box-shadow:0 0 0 3px #ffffffb8,0 5px 18px #123a2a12}
 .classroom-bottom .room-controls{justify-content:center;gap:5px;padding:6px}
 .classroom-bottom .room-controls .btn{min-width:0;min-height:46px;flex:1;padding:6px 4px;font-size:9px;border-radius:9px}
 .classroom-assurance{font-size:8px;line-height:13px;min-height:18px}
 .student-room .room-heading h2{font-size:12px}
}
.native-app .teacher-room,
.mobile-ui .teacher-room{padding:8px;gap:9px}
.mobile-ui:not(.native-app) .room-shell{padding-top:calc(8px + env(safe-area-inset-top));padding-bottom:calc(8px + env(safe-area-inset-bottom))}
.native-app .teacher-room .room-top,
.mobile-ui .teacher-room .room-top{grid-template-rows:26px 18px 30px;gap:5px;padding:8px;border-radius:14px}
.native-app .teacher-room .room-content .stage,
.mobile-ui .teacher-room .room-content .stage{border-radius:15px}
.native-app .teacher-room .room-participants,
.mobile-ui .teacher-room .room-participants{gap:4px}
.native-app .teacher-room .room-participant-names,
.mobile-ui .teacher-room .room-participant-names{font-size:10px;gap:3px}
.native-app .teacher-room .room-participants .student-presence,
.mobile-ui .teacher-room .room-participants .student-presence{font-size:8px;padding:2px 4px;line-height:16px}
.native-app .teacher-room .room-audio-levels .audio-meter,
.mobile-ui .teacher-room .room-audio-levels .audio-meter{gap:3px;padding:2px 3px;font-size:8px}
.native-app .teacher-room .room-controls,
.mobile-ui .teacher-room .room-controls{padding:6px;gap:4px;border-radius:14px}
.native-app .teacher-room .room-controls .btn,
.mobile-ui .teacher-room .room-controls .btn{min-height:46px;border-radius:9px;padding:4px 1px}
@media(prefers-reduced-motion:reduce){.room-shell *{scroll-behavior:auto}}