@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-cyrillic-ext-wght-normal-D4X5GqEv.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-cyrillic-wght-normal-CY6AOgYE.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-vietnamese-wght-normal-U01xdrZh.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-latin-ext-wght-normal-CXYtwYOx.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-latin-wght-normal-BzFMHfZw.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--navy:#1b2a49;--blue:#1d4ed8;--yellow:#ffc300;--bg:#f4f6fb;--card:#fff;--text:#1b2a49;--muted:#55607a;--line:#d9deea;--green:#15803d;--red:#b91c1c;--radius:14px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font-family:Nunito Variable,system-ui,sans-serif}h1{margin:.4rem 0 1rem;font-size:1.7rem;font-weight:800}h2{margin:0 0 .75rem;font-size:1.15rem;font-weight:800}a{color:var(--blue)}.muted{color:var(--muted)}.small{font-size:.85rem}.grow{flex:1}.topbar{z-index:10;background:var(--navy);color:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;display:flex;position:sticky;top:0}.brand{color:#fff;align-items:center;gap:10px;font-size:1.25rem;text-decoration:none;display:flex}.brand b{font-weight:800}.topbar nav{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.topbar nav a,.topbar nav .link{color:#fff;border-radius:10px;align-items:center;min-height:44px;padding:8px 12px;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-flex}.topbar nav a.active{box-shadow:inset 0 -3px 0 var(--yellow);background:#ffffff24}.topbar nav a:hover,.topbar nav .link:hover{background:#ffffff1a}.page{flex-direction:column;gap:14px;max-width:820px;margin:0 auto;padding:16px;display:flex}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.stack{flex-direction:column;gap:12px;display:flex}.row{align-items:center;gap:10px;display:flex}.row.between{justify-content:space-between}.back{font-weight:700;text-decoration:none}.empty{color:var(--muted);padding:12px 0}.notice{background:#fff4cc;border:1px solid #e8c14a;border-radius:10px;margin:0;padding:10px 12px}input,select,textarea{font:inherit;color:inherit;border:1.5px solid var(--line);background:#fff;border-radius:10px;width:100%;min-height:44px;padding:10px 12px}input:focus-visible,select:focus-visible,textarea:focus-visible,.btn:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:2px}label{flex-direction:column;gap:6px;font-weight:700;display:flex}.row>input{flex:1}.title-input{background:0 0;border-color:#0000;padding-left:0;font-size:1.5rem;font-weight:800}.title-input:hover,.title-input:focus{border-color:var(--line);background:#fff;padding-left:12px}.btn{font:inherit;cursor:pointer;min-height:44px;color:var(--navy);white-space:nowrap;background:#e8ecf6;border:0;border-radius:12px;justify-content:center;align-items:center;padding:0 18px;font-weight:800;text-decoration:none;display:inline-flex}.btn.primary{background:var(--yellow);color:var(--navy)}.btn.primary:hover{filter:brightness(.96)}.btn.ghost{border:1.5px solid var(--line);background:0 0}.btn.danger{color:var(--red)}.btn.big{width:100%;min-height:56px;font-size:1.1rem}.btn.disabled,.btn:disabled{opacity:.45;pointer-events:none}button.link{font:inherit;color:var(--blue);cursor:pointer;background:0 0;border:0;padding:8px;font-weight:700}.topbar button.link{color:#fff}.list,.students{flex-direction:column;gap:8px;margin:12px 0 0;padding:0;list-style:none;display:flex}.item{border:1px solid var(--line);border-radius:12px;align-items:center;gap:8px;padding:8px 8px 8px 14px;display:flex}.item-main{color:inherit;flex-direction:column;flex:1;min-width:0;text-decoration:none;display:flex}.students li{align-items:center;gap:8px;display:flex}.badge{background:var(--navy);min-width:38px;height:38px;color:var(--yellow);border-radius:10px;place-items:center;font-weight:800;display:grid}.answers{border:0;flex-direction:column;gap:8px;margin:0;padding:0;display:flex}.answers legend{margin-bottom:8px;font-weight:700}.answer{border:1.5px solid var(--line);border-radius:12px;align-items:center;gap:10px;padding:6px 10px;display:flex}.answer.correct{border-color:var(--green);background:#ecf8f0}.radio{flex-direction:row;align-items:center;gap:8px}.radio input{width:22px;height:22px;min-height:22px}.letter{background:var(--navy);color:#fff;border-radius:9px;flex:none;place-items:center;width:34px;height:34px;font-weight:800;display:inline-grid}.auth{text-align:center;flex-direction:column;align-items:center;gap:6px;max-width:380px;margin:0 auto;padding:32px 16px;display:flex}.auth h1{margin:6px 0 0;font-size:2rem}.auth form{text-align:left;width:100%;margin-top:12px}.camera-frame{border-radius:var(--radius);background:#000;position:relative;overflow:hidden}.camera-frame video{object-fit:contain;width:100%;max-height:55vh;display:block}.camera-overlay{object-fit:contain;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.camera-error{color:var(--red);background:#fff;border-radius:8px;margin:0;padding:8px 10px;position:absolute;inset:auto 8px 8px}.zoom{margin-top:8px}.zoom input{padding:0}.play{gap:14px;max-width:1100px;margin:0 auto;padding:12px 16px 96px;display:grid}.play-cam .camera-frame video{max-height:30vh}.play-main{flex-direction:column;gap:14px;min-width:0;display:flex}.question h2{margin:4px 0 12px;font-size:1.4rem}.choices{gap:8px;margin:0;padding:0;list-style:none;display:grid}.choices li{border:1.5px solid var(--line);border-radius:12px;align-items:center;gap:10px;padding:8px 12px;font-weight:700;display:flex}.choices li.correct{border-color:var(--green);background:#ecf8f0}.count{background:var(--navy);color:#fff;border-radius:999px;padding:2px 10px}.score{margin:12px 0 0;font-weight:800}.chips{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.chip{border-radius:12px;align-items:center;gap:8px;min-height:48px;padding:10px 12px;font-weight:800;transition:background .15s;display:flex}.chip-n{opacity:.8;font-size:.8rem}.chip-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.chip.wait{color:#374151;background:#e5e7eb}.chip.done{background:var(--blue);color:#fff}.chip.ok{background:var(--green);color:#fff}.chip.ko{background:var(--red);color:#fff}.chip.none{color:#4b5563;background:#f3f4f6;border:1.5px dashed #9ca3af}.actionbar{padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#f4f6fbf2;justify-content:center;display:flex;position:fixed;bottom:0;left:0;right:0}.actionbar .btn{max-width:560px}@media (width>=900px){.play{grid-template-columns:380px 1fr;align-items:start}.play-cam{position:sticky;top:76px}.play-cam .camera-frame video{max-height:50vh}}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--line);padding:8px 10px}.table td.ok{color:var(--green);font-weight:800}.table td.ko{color:var(--red);font-weight:800}.table td.none{color:var(--muted)}.steps{flex-direction:column;gap:8px;margin:0;padding-left:20px;display:flex}