:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#173049;background:#f3f7fa;font-synthesis:none;font-size:15px;--navy:#142d46;--blue:#55b9e8;--muted:#718498;--line:#e2eaf0;--pale:#eaf5fb;--green:#168570;--red:#b7444e}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,textarea,select{outline-offset:4px}button:focus-visible,a:focus-visible{outline:3px solid #1585c2}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button{transition:background .15s,transform .15s}button:active:not(:disabled){transform:translateY(1px)}a{color:#207da8;text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,p{margin:0}h1{font-size:30px;letter-spacing:-1px;line-height:1.15}h2{font-size:20px;letter-spacing:-.4px}h3{font-size:16px}p{line-height:1.65}.muted,small{color:var(--muted)}small{font-size:12px}.hidden,[hidden]{display:none!important}.icon{width:20px;height:20px;stroke:currentColor;stroke-width:1.8;fill:none;vertical-align:middle;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:750;letter-spacing:-1px}.brand img{width:36px;height:36px}.brand em{font-style:normal;color:#8296a8;font-size:14px;letter-spacing:0;font-weight:500;border-left:1px solid #cfdde7;padding-left:10px;margin-left:4px}.pill{display:inline-flex;align-items:center;gap:6px;border-radius:30px;padding:6px 10px;font-size:11px;font-weight:650;background:var(--pale);color:#417699;white-space:nowrap}.pill.green{background:#e8f5f0;color:var(--green)}.pill.red{background:#fff0ef;color:var(--red)}.pill.amber{background:#fff5dc;color:#937020}.dot{width:6px;height:6px;border-radius:100%;background:currentColor;display:inline-block}.button{border:1px solid var(--line);border-radius:9px;background:white;color:var(--navy);padding:10px 15px;display:inline-flex;gap:8px;align-items:center;justify-content:center;font-weight:600;font-size:13px;line-height:1.4}.button:hover{background:#f2f7fb}.button.primary{background:var(--navy);color:white;border-color:var(--navy)}.button.primary:hover{background:#244663}.button.blue{background:#dff2fc;border-color:#bce3f6;color:#216285}.button.danger{background:#fff1f1;color:#b7444e;border-color:#f3d9dc}.button.small{font-size:11px;padding:6px 9px}.text-button{background:transparent;border:0;color:#357caa;font-weight:600;font-size:12px;padding:6px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:750;text-transform:uppercase;color:#5c849f}.loading{display:grid;min-height:100vh;place-items:center;color:#6c8496}.login{min-height:100vh;padding:36px 6vw;background:radial-gradient(ellipse at 72% 40%,#d7edf8,transparent 50%),#f4f9fc;display:flex;flex-direction:column}.login-main{display:grid;grid-template-columns:1.15fr 1fr;max-width:1100px;gap:80px;width:100%;margin:auto;align-items:center;padding:55px 0}.login-copy h1{font-size:56px;line-height:1.1;letter-spacing:-2px;margin:22px 0}.login-copy h1 span{color:#368fb9}.login-copy p{color:#647d91;max-width:420px}.login-features{display:flex;gap:20px;margin-top:32px;font-size:12px;color:#628093}.login-features span{display:flex;gap:6px;align-items:center}.login-card{background:#fff;border:1px solid #e7eef4;box-shadow:0 18px 60px #294e6f0c;border-radius:20px;padding:36px}.login-card h2{font-size:25px}.login-card>p{font-size:13px;margin:12px 0 26px;color:#718498}.google{width:100%;padding:15px;font-size:14px}.google strong{font-size:20px;color:#4285f4;margin-right:6px}.privacy-copy{display:flex;gap:10px;font-size:12px;color:#7b8d9d;margin-top:25px;padding-top:22px;border-top:1px solid var(--line);line-height:1.6}.demo-banner{background:#fff6dd;color:#806327;padding:10px 20px;font-size:12px;border-bottom:1px solid #efdfb4;text-align:center}.role-grid{display:grid;gap:9px;margin-top:18px}.role-choice{justify-content:flex-start;padding:14px;text-align:left}.role-choice span{display:flex;flex-direction:column;gap:3px}.role-choice .icon{margin-right:5px}.login-foot{display:flex;justify-content:space-between;color:#92a3af;font-size:11px}.layout{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:25px 18px;position:fixed;inset:0 auto 0 0;width:232px;display:flex;flex-direction:column;z-index:5}.sidebar .brand{font-size:22px;padding:0 8px}.sidebar .brand em{display:none}.sidebar .eyebrow{font-size:9px;color:#a0afbc;padding:0 15px;margin:40px 0 14px}.navigation{display:grid;gap:7px}.nav-item{background:none;border:0;text-align:left;display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:10px;font-size:13px;color:#708296;font-weight:550}.nav-item:hover{background:#f6f9fc}.nav-item.active{background:#eaf5fb;color:#245d82}.sidebar-foot{margin-top:auto}.privacy-box{display:flex;gap:10px;background:#f4f9fc;border:1px solid #e7f0f6;border-radius:11px;padding:15px 12px;color:#6d90a9;font-size:11px;line-height:1.6}.privacy-box b{font-weight:650;color:#47728d}.profile{margin-top:18px;border-top:1px solid var(--line);padding:18px 5px 0;display:flex;gap:10px;align-items:center}.avatar{height:34px;width:34px;background:#e9edf9;color:#6674ad;border-radius:10px;display:grid;place-items:center;font-weight:750;font-size:12px;flex-shrink:0}.profile>div:nth-child(2){flex:1;font-size:12px;line-height:1.6}.signout{border:0;background:transparent;color:#90a0b0;padding:4px}.main-column{grid-column:2;min-width:0}.topbar{height:77px;border-bottom:1px solid var(--line);background:#ffffffb0;display:flex;align-items:center;justify-content:space-between;padding:0 38px;font-size:12px}.crumb{color:#8b9aa8}.crumb span{margin:0 12px;color:#c4d0da}.crumb b{color:#3d5368;font-weight:600}.top-right{display:flex;gap:22px;align-items:center}.top-right small{display:flex;gap:6px;align-items:center;font-size:11px}.menu-button{display:none;background:none;border:0}.content{max-width:1460px;margin:auto;padding:34px 38px 38px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px;gap:20px}.page-heading p{font-size:13px;color:var(--muted);margin-top:9px}.hero{display:grid;grid-template-columns:1fr 260px;background:linear-gradient(115deg,#e1f0fa,#eef8fc);border:1px solid #d4e7f4;border-radius:16px;padding:34px 36px;position:relative;overflow:hidden;min-height:230px}.hero h2{font-size:29px;line-height:1.25;letter-spacing:-.9px;margin:13px 0}.hero p{font-size:13px;color:#6b879d;max-width:440px}.hero .button{margin-top:22px}.hero-art{display:grid;place-items:center;position:relative}.art-card{background:#ffffffdd;box-shadow:0 15px 35px #3d688922;border:1px solid #e1edf5;border-radius:12px;transform:rotate(-7deg);padding:20px;width:200px}.art-card small{display:flex;align-items:center;gap:6px;font-size:9px}.art-code{color:#5483a3;font:13px/1.9 ui-monospace,monospace;margin:12px 0}.art-bar{height:5px;background:#cce8f6;border-radius:10px;margin:9px 0;width:75%}.art-bar:nth-child(2n){width:50%}.art-badge{position:absolute;bottom:15px;right:2px;background:white;padding:13px;border-radius:12px;box-shadow:0 8px 25px #32587615;color:#2d957e;transform:rotate(5deg);font-size:11px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:30px 0 17px}.section-heading h2{font-size:18px}.class-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.class-card,.panel{border:1px solid var(--line);background:#fff;border-radius:13px}.class-card{padding:23px}.class-head{display:flex;gap:14px;align-items:flex-start}.class-icon{height:44px;width:44px;border-radius:12px;background:#edf2fd;color:#6c85bd;display:grid;place-items:center;flex-shrink:0}.class-icon.green{background:#e8f5f1;color:#4d9680}.class-head h3{line-height:1.4;font-size:15px}.class-head p{font-size:11px;color:#91a0ac;margin-top:5px}.class-head>div:nth-child(2){flex:1}.class-card footer{display:flex;justify-content:space-between;gap:10px;align-items:center;padding-top:20px;margin-top:20px;border-top:1px solid #edf2f5}.class-card footer span{font-size:11px;color:#8297a8}.class-actions{margin-top:15px;display:flex;gap:8px;flex-wrap:wrap}.grid-two{display:grid;grid-template-columns:1.15fr 1fr;gap:20px}.panel{padding:23px}.panel h3{margin-bottom:18px}.event-row{display:flex;gap:15px;align-items:center;padding:15px 0;border-top:1px solid #edf2f5}.event-date{background:#f2f7fb;width:44px;text-align:center;border-radius:9px;padding:8px;font-size:10px;color:#9babb8}.event-date b{font-size:19px;display:block;color:#56748e;margin-bottom:2px}.event-row>div:nth-child(2){flex:1}.event-row strong{font-size:12px;display:block;margin-bottom:6px}.event-row small{font-size:11px}.note-box{border:1px solid var(--line);background:#fbfdfe;border-radius:10px;padding:16px;width:100%;min-height:220px;resize:vertical;line-height:1.7;color:#3f596f;font-size:13px}.empty{padding:35px 20px;text-align:center;background:#f8fbfd;border:1px dashed #dbe6ee;border-radius:12px;color:#8b9fae;font-size:13px;line-height:1.7}.helper-list{list-style:none;padding:0;margin:0;display:grid;gap:20px;font-size:12px;color:#7990a3}.helper-list li{display:flex;align-items:flex-start;gap:12px;line-height:1.7}.helper-list .icon{color:#56a6c9}.helper-list strong{display:block;color:#486d88;margin-bottom:3px}.room-content{padding:23px 28px 95px;max-width:1800px}.room-heading{display:flex;align-items:center;gap:14px;justify-content:space-between;margin-bottom:20px}.room-heading h1{font-size:22px;letter-spacing:-.5px}.room-heading p{color:#8b9cac;font-size:11px;margin-top:6px}.room-meta{display:flex;align-items:center;gap:10px}.room-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px}.stage{aspect-ratio:16/9;background:#142b41;border-radius:14px;position:relative;overflow:hidden;border:1px solid #213a50;display:grid;place-items:center}.stage-placeholder{text-align:center;color:#a4bdcf;max-width:400px;padding:25px}.stage-placeholder .avatar{width:65px;height:65px;border-radius:20px;margin:0 auto 18px;background:#29465d;color:#afd8f1;font-size:23px}.stage-placeholder h3{font-size:18px;color:#e4f0f8;margin-bottom:8px}.stage-placeholder p{font-size:12px}.stage>video{width:100%;height:100%;object-fit:contain;position:absolute;inset:0;background:#142b41}.stage .camera-overlay{position:absolute;right:17px;bottom:45px;width:22%;aspect-ratio:16/9;border-radius:8px;overflow:hidden;border:2px solid #ffffff55;z-index:2}.camera-overlay video{width:100%;height:100%;object-fit:cover}.stage-label{position:absolute;left:14px;bottom:13px;z-index:3;color:#e6f0f6;background:#10273bbb;padding:7px 10px;border-radius:6px;font-size:10px}.stage-top{position:absolute;top:13px;left:14px;z-index:3;background:#203e57b0;padding:6px 10px;border-radius:6px;font-size:9px;letter-spacing:.5px;color:#bad5e7}.below-stage{display:flex;justify-content:space-between;margin:16px 0 22px;font-size:11px;color:#8da0ad}.below-stage>span{display:flex;align-items:center;gap:6px}.assignment{padding:18px 21px;border:1px solid #cce2ef;background:#ecf7fc;border-radius:12px;display:flex;align-items:center;gap:15px;justify-content:space-between;margin-bottom:18px}.assignment small{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#5183a0}.assignment h3{margin:5px 0 4px;font-size:15px}.assignment p{font-size:11px;color:#6a8aa0}.room-tabs{display:flex;border-bottom:1px solid var(--line);margin-top:8px;gap:28px}.room-tab{border:0;background:transparent;padding:13px 0;color:#8c9cac;font-size:12px;border-bottom:2px solid transparent}.room-tab.active{color:#286586;border-color:#409cc6;font-weight:650}.room-help{font-size:12px;color:#8095a5;padding:18px 0;line-height:1.8}.roster-panel{padding:0;overflow:hidden;align-self:start;min-height:480px}.side-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 16px;gap:20px}.side-tabs button{padding:18px 0}.roster-head{display:flex;justify-content:space-between;padding:19px 18px 10px;font-size:11px;color:#8194a4}.roster{padding:0 10px 12px;max-height:490px;overflow-y:auto}.person{display:flex;align-items:center;gap:10px;padding:12px 8px;border-bottom:1px solid #edf2f7}.person .avatar{width:31px;height:31px;font-size:10px;background:#edf4fa;color:#7295af}.person-info{min-width:0;flex:1}.person-info b{font-size:11px;display:block}.person-info small{display:block;font-size:9px;margin-top:4px}.person-controls{display:flex;gap:4px}.round-button{border:1px solid #e1eaf1;background:white;border-radius:7px;width:28px;height:28px;display:grid;place-items:center;color:#8095a5;padding:0}.round-button .icon{width:14px;height:14px}.round-button.on{color:#238f75;background:#e9f7f0;border-color:#cfecdf}.round-button.warn{background:#fff4d6;color:#a87c22;border-color:#f3dfab}.roster-footer{margin:0 17px 17px;padding:12px;border-radius:9px;background:#f3f8fc;color:#8097a9;font-size:10px;line-height:1.7}.chat-pane{padding:16px;display:flex;flex-direction:column;min-height:430px}.chat-select{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:11px;background:#fbfdff;color:#41617a}.messages{height:300px;overflow:auto;padding:12px 0;display:flex;flex-direction:column;gap:12px}.message{max-width:95%;background:#eff6fb;border-radius:9px 9px 9px 2px;padding:10px 12px;font-size:12px;line-height:1.6;overflow-wrap:anywhere;white-space:pre-wrap}.message.mine{align-self:flex-end;background:#e0f0fa;border-radius:9px 9px 2px 9px}.message small{font-size:9px;display:block;margin-bottom:3px;color:#8a9fac}.composer{display:flex;gap:7px;margin-top:auto}.composer textarea{resize:vertical;min-height:40px;max-height:120px;width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:11px}.composer .button{padding:10px}.toolbar{position:fixed;bottom:0;left:232px;right:0;background:#fff;border-top:1px solid var(--line);padding:14px 28px;z-index:4;display:flex;justify-content:space-between;gap:12px;align-items:center;box-shadow:0 -8px 28px #294e6f04}.toolbar-group{display:flex;gap:9px;align-items:center}.toolbar .button{font-size:11px;padding:10px 12px}.toolbar .icon{width:17px;height:17px}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:22px}.screen-tile{aspect-ratio:16/10;background:#152d42;border-radius:10px;overflow:hidden;position:relative;display:grid;place-items:center;border:1px solid #27465e}.screen-tile video{width:100%;height:100%;object-fit:contain}.screen-tile>span{position:absolute;bottom:9px;left:9px;background:#14293bd9;padding:5px 8px;border-radius:5px;color:#c1d6e6;font-size:10px}.screen-placeholder{color:#7698b2;text-align:center;font-size:11px;padding:20px;line-height:1.8}.screen-placeholder .icon{display:block;margin:0 auto 10px}.test-head{display:flex;justify-content:space-between;align-items:center;margin:0 0 14px}.test-head h2{font-size:16px}.test-head small{font-size:10px}.status-alert{padding:11px 14px;border:1px solid #eed9b3;border-radius:9px;background:#fff8e8;color:#987834;font-size:11px;line-height:1.6;margin-bottom:15px}.status-alert.error{background:#fff0ef;border-color:#efd1cf;color:#a85652}.report-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px;margin-bottom:18px}.report-head{display:flex;gap:15px;align-items:center;justify-content:space-between}.report-head h3{margin-bottom:7px}.report-head small{font-size:11px}.report-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:19px;padding-top:18px;border-top:1px solid #edf2f5}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px}th,td{text-align:left;padding:13px 12px;border-bottom:1px solid #e7eef4}th{color:#8ca0af;font-size:10px;text-transform:uppercase;letter-spacing:.7px;font-weight:600}td{color:#577187}dialog{border:1px solid #dfe8ef;border-radius:16px;padding:28px;width:min(560px,calc(100% - 30px));color:var(--navy);box-shadow:0 30px 90px #082a4f33}dialog::backdrop{background:#132d4666;backdrop-filter:blur(3px)}dialog h2{font-size:23px;margin-bottom:10px}dialog>p{font-size:13px;color:#8597a5;margin-bottom:20px}dialog label{display:block;margin:17px 0 7px;font-size:12px;color:#58758b;font-weight:600}dialog input:not([type=checkbox]),dialog select,dialog textarea{width:100%;padding:12px;border:1px solid #dce6ee;border-radius:8px;font-size:13px;background:#fcfdfe;color:#34566e}dialog textarea{min-height:140px;resize:vertical}dialog .check-label{display:flex;gap:10px;align-items:flex-start;line-height:1.6;font-weight:400}dialog footer{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}dialog .dialog-error{color:var(--red);font-size:12px;margin-top:14px;line-height:1.6}dialog video{width:100%;border-radius:10px;background:#132c42;margin-top:12px}#notices{position:fixed;right:24px;bottom:90px;z-index:30;display:grid;gap:10px;max-width:min(390px,calc(100% - 32px))}.notice{border:1px solid #cfe4ed;background:#fff;color:#4d7289;padding:15px 18px;border-radius:11px;box-shadow:0 12px 35px #25465d16;font-size:12px;line-height:1.6}.notice.error{border-color:#ebc8c5;color:#ac5b56}.connection-line{font-size:10px;color:#89a1b3;text-align:center;margin-top:10px}.student-welcome{padding:19px;font-size:12px;color:#7e98aa;line-height:1.8}.student-welcome .icon{color:#5b9fba;margin-bottom:14px;width:27px;height:27px}.student-welcome h3{font-size:14px;color:#436a85;margin-bottom:10px}.sound-button{position:absolute;top:15px;right:15px;z-index:4}.recording-steps{display:flex;gap:17px;flex-wrap:wrap;margin:16px 0 0;color:#8b9dab;font-size:10px}.recording-steps b{color:#507fa0;margin-right:5px}.mini-title{font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:#8aa0b0;margin:20px 0 8px}
@media(min-width:1500px){.gallery{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1150px){.layout{grid-template-columns:200px minmax(0,1fr)}.sidebar{width:200px}.content{padding:28px}.toolbar{left:200px;padding:14px 20px}.room-layout{grid-template-columns:minmax(0,1fr) 265px;gap:15px}.room-content{padding:22px 20px 100px}.hero{grid-template-columns:1fr 190px;padding:27px}.class-grid{gap:14px}.class-card{padding:18px}.class-head .pill{display:none}.toolbar .button{padding:9px}.toolbar .button span{display:none}.hero-art{transform:scale(.85)}}@media(max-width:900px){.layout{display:block}.sidebar{transform:translateX(-100%);box-shadow:20px 0 50px #142d4620}.sidebar.open{transform:none}.main-column{width:100%}.menu-button{display:block}.topbar{height:64px;padding:0 22px}.crumb{margin-right:auto;margin-left:15px}.top-right small{display:none}.toolbar{left:0}.room-layout{grid-template-columns:minmax(0,1fr) 270px}.login-main{gap:35px}.login-copy h1{font-size:44px}.login{padding:25px}.login-card{padding:28px}}@media(max-width:700px){.login-main{grid-template-columns:1fr;gap:35px;padding:45px 0}.login-copy h1{font-size:40px}.login-copy .eyebrow{margin-top:10px}.login-features{margin-top:20px}.login-foot{gap:15px;margin-top:25px}.content{padding:25px 18px}.page-heading h1{font-size:25px}.page-heading{align-items:flex-start}.page-heading p{font-size:12px}.hero{grid-template-columns:1fr;padding:27px}.hero-art{display:none}.hero h2{font-size:27px}.class-grid,.grid-two{grid-template-columns:1fr}.room-layout{grid-template-columns:1fr}.roster-panel{min-height:auto}.room-content{padding:19px 14px 125px}.room-heading{align-items:flex-start}.room-heading h1{font-size:18px}.room-meta{gap:5px;flex-wrap:wrap;justify-content:flex-end}.room-meta .pill{font-size:9px;padding:5px 7px}.toolbar{padding:12px;gap:7px;flex-wrap:wrap}.toolbar-group{gap:6px}.toolbar .button{padding:10px}.toolbar .button span{display:none}.toolbar .end-button span{display:inline}.assignment{align-items:flex-start;padding:15px;gap:10px}.assignment .button{font-size:10px;padding:8px;white-space:nowrap}.roster{max-height:280px}.gallery{gap:10px}.report-head{align-items:flex-start;flex-wrap:wrap}.report-actions .button{font-size:11px}.below-stage{font-size:9px;gap:8px}.topbar .brand{font-size:17px}.chat-pane{min-height:340px}.messages{height:240px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}