@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-vietnamese-wght-normal-BUzh504Q.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:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-latin-ext-wght-normal-CcLUaPy7.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:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-latin-wght-normal-DLoelf7F.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}@font-face{font-family:Atkinson Hyperlegible Next Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/atkinson-hyperlegible-next-latin-ext-wght-normal-C6vrW8VD.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:Atkinson Hyperlegible Next Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/atkinson-hyperlegible-next-latin-wght-normal-BcXVPD7q.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{--font-display:"Bricolage Grotesque Variable", "Avenir Next", "Segoe UI", system-ui, sans-serif;--font-body:"Atkinson Hyperlegible Next Variable", "Segoe UI", system-ui, -apple-system, sans-serif;--bg:#f2f6f4;--surface:#fff;--surface-2:#e8efeb;--ink:#102030;--ink-2:#33475a;--muted:#5f7184;--line:#d3ddd8;--sea:#0b7285;--sea-ink:#fff;--sea-soft:#d3eef2;--sun:#f0a202;--sun-ink:#1f1500;--sun-soft:#fff0c8;--leaf:#2b8a3e;--leaf-soft:#dbf2e0;--coral:#d9480f;--coral-soft:#ffe5d6;--danger:#c92a2a;--danger-soft:#ffe2e2;--sky:#1c7ed6;--berry:#ae3ec9;--night:#3b5bdb;--gold:#c98a00;--shadow-sm:0 1px 2px #10203012;--shadow:0 1px 2px #1020300f, 0 10px 30px #10203012;--radius:14px;--radius-lg:22px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0b141b;--surface:#121e28;--surface-2:#1a2a36;--ink:#e7eef3;--ink-2:#b9c7d2;--muted:#8b9cab;--line:#253645;--sea:#3cbfd3;--sea-ink:#031a1f;--sea-soft:#0e3640;--sun:#ffc23d;--sun-ink:#1f1500;--sun-soft:#3b2c06;--leaf:#6ad48a;--leaf-soft:#12331c;--coral:#ff8f57;--coral-soft:#3b1d0e;--danger:#ff8a8a;--danger-soft:#3b1515;--sky:#74c0fc;--berry:#e599f7;--night:#91a7ff;--gold:#ffd43b;--shadow-sm:0 1px 2px #0000004d;--shadow:0 1px 2px #0000004d, 0 12px 32px #00000047;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*,:before,:after{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:17px;line-height:1.5}h1,h2,h3,h4{font-family:var(--font-display);text-wrap:balance;letter-spacing:-.01em;margin:0;line-height:1.15}h1{font-size:clamp(28px,4.2vw,40px);font-weight:800}h2{font-size:clamp(22px,3vw,28px);font-weight:700}h3{font-size:19px;font-weight:700}p{margin:0}a{color:var(--sea)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--sun);outline-offset:2px;border-radius:6px}img,svg{max-width:100%}[hidden]{display:none!important}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.muted{color:var(--muted)}.small{font-size:14px}.tabular{font-variant-numeric:tabular-nums}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:700}.container{width:100%;max-width:1120px;padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px));margin:0 auto}.narrow{max-width:560px}.stack{flex-direction:column;gap:16px;display:flex}.stack-sm{flex-direction:column;gap:8px;display:flex}.stack-lg{flex-direction:column;gap:28px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.row-between{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.grid-cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;display:grid}.page{padding-block:28px 56px}.center-screen{place-items:center;min-height:100%;padding-block:32px;display:grid}.brand{color:inherit;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-word{font-family:var(--font-display);letter-spacing:-.02em;font-size:21px;font-weight:800;line-height:1}.brand-word span{color:var(--muted);font-weight:500}.btn{border:1px solid var(--line);background:var(--surface);min-height:44px;color:var(--ink);white-space:nowrap;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:16px;font-weight:700;text-decoration:none;transition:transform 60ms,background .15s,border-color .15s;display:inline-flex}.btn:hover{border-color:var(--ink-2)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:var(--sun);border-color:var(--sun);color:var(--sun-ink)}.btn-primary:hover{border-color:var(--sun);filter:brightness(1.04)}.btn-sea{background:var(--sea);border-color:var(--sea);color:var(--sea-ink)}.btn-sea:hover{border-color:var(--sea);filter:brightness(1.05)}.btn-ghost{color:var(--ink-2);background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--surface-2);border-color:#0000}.btn-danger{background:var(--danger-soft);color:var(--danger);border-color:#0000}.btn-lg{border-radius:16px;min-height:56px;padding:14px 26px;font-size:18px}.btn-sm{border-radius:10px;min-height:36px;padding:6px 12px;font-size:14px}.btn-block{width:100%}.icon-btn{min-width:44px;padding:8px}.field{flex-direction:column;gap:6px;min-width:0;display:flex}.field>span{font-size:15px;font-weight:700}.field small{color:var(--muted);font-size:13px}.input,.select,.textarea{border:1px solid var(--line);background:var(--surface);width:100%;min-height:46px;color:var(--ink);border-radius:12px;padding:10px 14px}.input:focus,.select:focus,.textarea:focus{outline:3px solid color-mix(in srgb, var(--sea) 35%, transparent);border-color:var(--sea)}.textarea{resize:vertical;min-height:160px;line-height:1.45}.textarea.code{min-height:360px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}.checkbox{align-items:flex-start;gap:10px;font-weight:400;display:flex}.checkbox input{width:20px;height:20px;accent-color:var(--sea);margin-top:2px}.form-error{color:var(--danger);background:var(--danger-soft);border-radius:10px;padding:10px 14px;font-size:15px}.form-ok{color:var(--leaf);background:var(--leaf-soft);border-radius:10px;padding:10px 14px;font-size:15px}.segmented{background:var(--surface-2);border-radius:12px;flex-wrap:wrap;gap:4px;padding:4px;display:inline-flex}.segmented button{color:var(--ink-2);background:0 0;border:0;border-radius:9px;padding:8px 14px;font-weight:700}.segmented button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);min-width:0;padding:20px}.card-tight{padding:14px 16px}.card-link{color:inherit;text-decoration:none;transition:border-color .15s,transform .1s;display:block}.card-link:hover{border-color:var(--ink-2)}.chip{letter-spacing:.04em;text-transform:uppercase;background:var(--surface-2);color:var(--ink-2);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-flex}.chip-English{background:var(--sea-soft);color:var(--sea)}.chip-Maths{background:var(--sun-soft);color:var(--gold)}.chip-Geography{background:var(--leaf-soft);color:var(--leaf)}.chip-Science,.chip-IntegratedScience{background:var(--coral-soft);color:var(--coral)}.chip-EnglishLiterature{background:var(--sea-soft);color:var(--sea)}.chip-SocialStudies{background:var(--leaf-soft);color:var(--leaf)}.chip-History{color:#6b2fa0;background:#efe3f7}.chip-InformationTechnology{color:#2f4aa0;background:#e3e8f7}.chip-Spanish{background:var(--sun-soft);color:var(--gold)}.chip-French{color:#2f4aa0;background:#e3e8f7}.chip-Music{color:#6b2fa0;background:#efe3f7}.chip-PhysicalEducation{background:var(--leaf-soft);color:var(--leaf)}.chip-ChristianLiving{color:#a8325e;background:#fbe4ec}@media (prefers-color-scheme:dark){.chip-History,.chip-Music{color:#c9a4ea;background:#2e1f3d}.chip-InformationTechnology,.chip-French{color:#9fb3f0;background:#1f2740}.chip-ChristianLiving{color:#f0a2bf;background:#3d1f2b}}.chip-done{background:var(--leaf-soft);color:var(--leaf)}.chip-due{background:var(--coral-soft);color:var(--coral)}.chip-new{background:var(--sun-soft);color:var(--gold)}.notice{border-radius:var(--radius);background:var(--sea-soft);color:var(--ink);align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.notice.warn{background:var(--sun-soft)}.notice.error{background:var(--danger-soft)}.progress{background:var(--surface-2);border-radius:999px;height:8px;overflow:hidden}.progress>i{background:var(--leaf);border-radius:inherit;height:100%;transition:width .4s;display:block}.divider{background:var(--line);border:0;height:1px;margin:0}.avatar{--c:var(--sea);background:color-mix(in srgb, var(--c) 18%, var(--surface));width:44px;height:44px;color:var(--c);font-family:var(--font-display);border:2px solid color-mix(in srgb, var(--c) 45%, transparent);border-radius:50%;flex:none;place-items:center;font-size:19px;font-weight:800;display:inline-grid}.avatar-lg{width:72px;height:72px;font-size:30px}.avatar-sea{--c:var(--sea)}.avatar-sun{--c:var(--gold)}.avatar-leaf{--c:var(--leaf)}.avatar-coral{--c:var(--coral)}.avatar-sky{--c:var(--sky)}.avatar-berry{--c:var(--berry)}.avatar-gold{--c:var(--sun)}.avatar-night{--c:var(--night)}dialog.dialog{border-radius:var(--radius-lg);background:var(--surface);width:min(560px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--ink);box-shadow:var(--shadow);border:0;padding:0;overflow:auto}dialog.dialog.dialog-wide{width:min(760px,100vw - 32px)}dialog.dialog::backdrop{background:#0810188c}.dialog-body{flex-direction:column;gap:18px;padding:24px;display:flex}.dialog-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}@media (max-width:520px){.dialog-body{padding:20px 16px}.dialog-actions .btn{flex:1}}.toast-region{z-index:60;left:0;right:0;bottom:calc(24px + env(safe-area-inset-bottom,0px));pointer-events:none;justify-content:center;padding:0 16px;display:flex;position:fixed}.toast{background:var(--ink);color:var(--bg);box-shadow:var(--shadow);border-radius:12px;max-width:100%;padding:12px 18px;font-weight:700;animation:.2s rise}@keyframes rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.spinner{border:3px solid var(--surface-2);border-top-color:var(--sea);border-radius:50%;flex:none;width:22px;height:22px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-block{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:40px 16px;display:flex}.bird-bob{animation:1.6s ease-in-out infinite bob;display:inline-block}@keyframes bob{0%,to{transform:translateY(0)rotate(-3deg)}50%{transform:translateY(-6px)rotate(3deg)}}.empty{text-align:center;border:1px dashed var(--line);border-radius:var(--radius-lg);background:var(--surface);flex-direction:column;align-items:center;gap:10px;padding:36px 16px;display:flex}.empty p{max-width:46ch}.empty-icon{background:var(--sea-soft);width:56px;height:56px;color:var(--sea);border-radius:18px;place-items:center;display:grid}.shake{animation:.35s shake}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}.table-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:15px}.table th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap;padding:12px 16px;font-size:12px}.table td{border-bottom:1px solid var(--line);vertical-align:middle;padding:12px 16px}.table tr:last-child td{border-bottom:0}.table tbody tr:hover td{background:color-mix(in srgb, var(--surface-2) 55%, transparent)}.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.landing{flex-direction:column;min-height:100%;display:flex}.landing-hero{padding-block:clamp(28px,7vw,72px) 28px}.landing-hero h1{max-width:15ch;font-size:clamp(36px,7vw,64px)}.landing-hero p.lead{color:var(--ink-2);max-width:46ch;margin-top:14px;font-size:clamp(18px,2.4vw,21px)}.door{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);color:inherit;align-items:flex-start;gap:16px;padding:22px;text-decoration:none;transition:border-color .15s,transform .1s;display:flex}.door:hover{border-color:var(--ink-2);transform:translateY(-1px)}.door .door-icon{border-radius:16px;flex:none;place-items:center;width:52px;height:52px;display:grid}.wave{background:linear-gradient(180deg, transparent, var(--sea-soft));height:72px;margin-top:auto}.pin-dots{justify-content:center;gap:12px;display:flex}.pin-dots i{border:2px solid var(--ink-2);border-radius:50%;width:18px;height:18px}.pin-dots i.on{background:var(--ink);border-color:var(--ink)}.pin-dots i.optional:not(.on){opacity:.55;border-style:dashed}.pin-pad{grid-template-columns:repeat(3,1fr);gap:10px;max-width:320px;margin:0 auto;display:grid}.pin-pad button{border:1px solid var(--line);background:var(--surface);min-height:64px;font-family:var(--font-display);border-radius:16px;font-size:26px;font-weight:700}.pin-pad button:active{background:var(--surface-2)}.pin-pad button:disabled{opacity:.45;cursor:not-allowed}.pin-pad .pin-go{background:var(--sun);border-color:var(--sun);color:var(--sun-ink);font-size:22px}.pin-pad .pin-back{color:var(--ink-2);place-items:center;display:grid}.tiles{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;display:grid}.tile{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);flex-direction:column;align-items:center;gap:10px;padding:18px 10px;font-size:18px;font-weight:700;display:flex}.tile:hover{border-color:var(--ink-2)}.kid-top{justify-content:space-between;align-items:center;gap:12px;padding-block:16px;display:flex}.greeting{align-items:center;gap:16px;display:flex}.time-meter{flex-direction:column;gap:6px;min-width:180px;display:flex}.lesson-card{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);color:inherit;flex-direction:column;gap:10px;min-width:0;padding:18px;text-decoration:none;transition:border-color .15s,transform .1s;display:flex}.lesson-card:hover{border-color:var(--ink-2);transform:translateY(-1px)}.lesson-card h3{font-size:20px}.lesson-card p{color:var(--muted);font-size:15px}.lesson-card .foot{justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:6px;font-size:14px;font-weight:700;display:flex}.section-title{align-items:baseline;gap:10px;margin-bottom:12px;display:flex}.tutor{background:var(--bg);flex-direction:column;height:100%;display:flex}.tutor-bar{border-bottom:1px solid var(--line);background:var(--surface);flex:none}.tutor-bar .container{align-items:center;gap:10px;padding-block:10px;display:flex}.tutor-bar h1{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:18px;font-weight:700;overflow:hidden}.parts{gap:4px;padding-bottom:10px;display:flex}.parts i{background:var(--surface-2);border-radius:999px;flex:1;height:6px}.parts i.done{background:var(--leaf)}.parts i.now{background:var(--sun)}.tutor-scroll{overscroll-behavior:contain;flex:1;overflow-y:auto}.thread{flex-direction:column;gap:14px;max-width:760px;padding-block:22px 28px;display:flex}.bubble{overflow-wrap:anywhere;white-space:pre-wrap;border-radius:20px;max-width:86%;padding:12px 16px}.bubble.tutor-msg{background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:6px;align-self:flex-start;font-size:19px;line-height:1.5}.bubble.tutor-msg.latest{border-color:color-mix(in srgb, var(--sea) 45%, var(--line));box-shadow:var(--shadow-sm);font-size:21px}.bubble.student-msg{background:var(--ink);color:var(--bg);border-bottom-right-radius:6px;align-self:flex-end}.bubble .who{letter-spacing:.06em;text-transform:uppercase;color:var(--sea);margin-bottom:2px;font-size:12px;font-weight:700;display:block}.bubble.pending{color:var(--muted);font-style:italic}.thinking-dots{vertical-align:middle;gap:5px;display:inline-flex}.thinking-dots i{background:var(--sea);opacity:.3;border-radius:50%;width:8px;height:8px;animation:1.2s ease-in-out infinite blink}.thinking-dots i:nth-child(2){animation-delay:.2s}.thinking-dots i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,to{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}.dock{border-top:1px solid var(--line);background:var(--surface);padding-bottom:env(safe-area-inset-bottom,0px);flex:none}.dock .container{flex-direction:column;gap:12px;max-width:760px;padding-block:12px 14px;display:flex}.status-line{min-height:24px;color:var(--ink-2);text-align:center;justify-content:center;align-items:center;gap:8px;font-weight:700;display:flex}.dock-main{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;display:grid}.dock-side{align-items:center;gap:8px;display:flex}.dock-side.right{justify-content:flex-end}.mic{background:var(--sea);width:84px;height:84px;color:var(--sea-ink);box-shadow:var(--shadow);border:0;border-radius:50%;place-items:center;transition:transform .1s,background .2s;display:grid;position:relative}.mic:active{transform:scale(.97)}.mic.listening{background:var(--coral)}.mic.speaking{background:var(--ink-2);color:var(--bg)}.mic:after{content:"";border:3px solid var(--coral);opacity:0;transform:scale(calc(1 + var(--level,0) * .35));border-radius:50%;transition:transform 80ms linear,opacity .2s;position:absolute;inset:-8px}.mic.listening:after{opacity:.7}.mic:disabled{opacity:.5;cursor:not-allowed}.mic-mode{flex-wrap:nowrap;align-self:center}.mic-mode button{min-height:36px;padding:6px 12px;font-size:14px}.mic-label{color:var(--muted);text-align:center;margin-top:6px;font-size:13px;font-weight:700}.chips-row{scrollbar-width:none;gap:8px;padding-bottom:2px;display:flex;overflow-x:auto}.chips-row::-webkit-scrollbar{display:none}.chips-row button{border:1px solid var(--line);background:var(--surface);color:var(--ink-2);border-radius:999px;flex:none;padding:8px 14px;font-size:15px;font-weight:700}.chips-row button:hover{border-color:var(--ink-2)}.type-row{align-items:flex-end;gap:8px;display:flex}.type-row textarea{resize:none;border:1px solid var(--line);background:var(--bg);border-radius:14px;flex:1;min-width:0;min-height:50px;max-height:140px;padding:12px 14px;font-size:18px;line-height:1.35}.start-panel{text-align:center;place-items:center;gap:18px;padding-block:48px;display:grid}.celebrate{border:2px solid var(--leaf);background:var(--leaf-soft);border-radius:var(--radius-lg);text-align:center;align-self:stretch;padding:18px}.celebrate strong{font-family:var(--font-display);font-size:30px;display:block}@media (max-width:520px){body{font-size:16px}.bubble{max-width:94%}.bubble.tutor-msg.latest{font-size:19px}.mic{width:76px;height:76px}.dock-main{grid-template-columns:1fr auto 1fr}}.shell{grid-template-columns:248px minmax(0,1fr);min-height:100%;display:grid}.side{border-right:1px solid var(--line);background:var(--surface);flex-direction:column;gap:20px;height:100vh;padding:20px 14px;display:flex;position:sticky;top:0;overflow-y:auto}.side nav{flex-direction:column;gap:2px;display:flex}.side nav a{color:var(--ink-2);border-radius:10px;align-items:center;gap:10px;padding:10px 12px;font-weight:700;text-decoration:none;display:flex}.side nav a:hover{background:var(--surface-2)}.side nav a.active{background:var(--sea-soft);color:var(--sea)}.class-box{border:1px dashed var(--line);border-radius:14px;padding:12px}.class-box .code{font-family:var(--font-display);letter-spacing:.06em;font-variant-numeric:tabular-nums;font-size:24px;font-weight:800}.main{min-width:0}.main-head{padding-block:26px 4px}.topbar{display:none}.stat{flex-direction:column;gap:4px;display:flex}.stat b{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:32px;line-height:1}.stat span{color:var(--muted);font-size:14px;font-weight:700}.stats-row{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;display:grid}.list{flex-direction:column;display:flex}.list-item{border-bottom:1px solid var(--line);color:inherit;align-items:center;gap:14px;min-width:0;padding:12px 4px;text-decoration:none;display:flex}.list-item:last-child{border-bottom:0}.list-item .grow{flex:1;min-width:0}.list-item .title{text-overflow:ellipsis;white-space:nowrap;font-weight:700;overflow:hidden}.transcript{flex-direction:column;gap:12px;display:flex}.transcript .bubble.tutor-msg{font-size:16px}.lesson-preview{white-space:pre-wrap;background:var(--surface-2);border-radius:var(--radius);max-height:560px;padding:16px;font-size:15px;line-height:1.55;overflow:auto}@media (max-width:860px){.shell{grid-template-columns:1fr}.side{display:none}.topbar{top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line);display:block;position:sticky}.topbar .container{justify-content:space-between;align-items:center;gap:8px;padding-block:10px;display:flex}.tabs{scrollbar-width:none;gap:4px;padding-bottom:8px;display:flex;overflow-x:auto}.tabs a{color:var(--ink-2);border-radius:10px;flex:none;padding:8px 12px;font-size:15px;font-weight:700;text-decoration:none}.tabs a.active{background:var(--sea-soft);color:var(--sea)}}body:before{content:"";height:env(safe-area-inset-top,0px);z-index:30;background:var(--surface);position:fixed;inset:0 0 auto}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.grow{flex:1;min-width:0}.center{text-align:center}.clip{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.pre-wrap{white-space:pre-wrap}.clamp-2{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.align-start{align-items:start}.grid-3{grid-template-columns:2fr 1fr 1fr;gap:14px;display:grid}@media (max-width:560px){.grid-3{grid-template-columns:1fr 1fr}.grid-3>:first-child{grid-column:1/-1}}@media (max-width:520px){.hide-sm{display:none}}.link-btn,.plain-btn{color:var(--sea);text-align:left;background:0 0;border:0;padding:0;font-weight:700}.plain-btn{color:inherit;width:100%}.back-link{align-self:flex-start;align-items:center;gap:6px;font-weight:700;text-decoration:none;display:inline-flex}.back-link:hover{color:var(--ink)}fieldset.field{border:0;min-width:0;margin:0;padding:0}fieldset.field>legend{margin-bottom:6px;padding:0;font-size:15px;font-weight:700}.notice.small{font-size:14px}.tips{flex-direction:column;gap:6px;margin:0;padding-left:20px;font-size:15px;display:flex}.steps{flex-direction:column;gap:6px;margin:0;padding-left:22px;display:flex}.tone-leaf{background:var(--leaf-soft);border-color:#0000}.tone-sun{background:var(--sun-soft);border-color:#0000}.success-mark{background:var(--leaf-soft);width:52px;height:52px;color:var(--leaf);border-radius:16px;place-items:center;display:grid}.kv{flex-direction:column;margin:0;display:flex}.kv>div{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding:10px 0;display:flex}.kv>div:last-child{border-bottom:0}.kv dt{color:var(--ink-2);align-items:center;gap:6px;display:inline-flex}.kv dd{font-variant-numeric:tabular-nums;text-align:right;margin:0;font-weight:700}.landing-top{justify-content:space-between;align-items:center;gap:12px;padding-block:18px;display:flex}.landing-hero{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:clamp(24px,5vw,64px);display:grid}.doors{gap:12px;display:grid}.door h2{font-size:21px}.door p{font-size:15px}.setup-banner{color:var(--ink);align-items:center;text-decoration:none}.hero-demo{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;flex-direction:column;gap:16px;margin:0;padding:22px;display:flex;position:relative;overflow:hidden}.hero-demo:before{content:"";background:var(--sun-soft);z-index:0;border-radius:50%;width:220px;height:220px;position:absolute;inset:auto -40px -80px auto}.hero-demo>*{position:relative}.demo-head{align-items:center;gap:12px;display:flex}.demo-head>div{flex-direction:column;display:flex}.demo-thread{flex-direction:column;gap:10px;display:flex}.demo-thread .bubble{margin:0;font-size:17px}.demo-mic{flex-direction:column;align-items:center;gap:8px;padding-top:4px;display:flex}.mic.demo{cursor:default;width:64px;height:64px}.features{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding-block:40px 24px;display:grid}.feature{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);flex-direction:column;gap:6px;padding:18px;display:flex}.feature svg{color:var(--sea)}.landing-foot{text-align:center;padding-block:8px 32px}@media (max-width:860px){.landing-hero{grid-template-columns:1fr}.features{grid-template-columns:1fr;padding-block:28px 16px}}.kid{--kid-gap:14px}.kid-bar{background:var(--surface);border-bottom:1px solid var(--line);z-index:10;position:sticky;top:0}.kid-top{padding-block:10px}.who-chip{gap:8px}.who-chip .avatar{width:34px;height:34px;font-size:15px}.hello{background:linear-gradient(135deg, var(--sea-soft), var(--surface) 70%);border-color:#0000;flex-wrap:wrap;align-items:center;gap:18px;display:flex}.hello-bird{background:var(--surface);width:84px;height:84px;box-shadow:var(--shadow-sm);border-radius:26px;flex:none;place-items:center;display:grid}.foot-action{color:var(--sea);white-space:nowrap;align-items:center;gap:6px;display:inline-flex}.code-input{font-family:var(--font-display);letter-spacing:.12em;text-align:center;text-transform:uppercase;min-height:68px;font-size:30px;font-weight:800}.pin-card{width:100%;max-width:440px;margin:0 auto}.pin-card .avatar-lg{margin:0 auto}.lesson-card{position:relative}.lesson-card.is-hidden{opacity:.65}.stretched:after{content:"";border-radius:inherit;position:absolute;inset:0}.lesson-card h3 a{color:inherit;text-decoration:none}.raise{z-index:1;position:relative}.start-panel{text-align:center;min-height:46vh}.start-panel h2{font-size:clamp(24px,4vw,32px)}.start-panel p{max-width:42ch;margin:0 auto}.start-bird{background:var(--surface);border:1px solid var(--line);width:132px;height:132px;box-shadow:var(--shadow);border-radius:40px;place-items:center;margin:0 auto;animation:2.4s ease-in-out infinite bob;display:grid}.start-btn{min-height:64px;font-size:20px}.star-count{background:var(--sun-soft);color:var(--gold);border-radius:999px;align-items:center;gap:4px;padding:4px 10px;font-weight:800;display:inline-flex}.star-count svg{fill:currentColor}.pop{animation:.5s pop}@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.6)rotate(12deg)}to{transform:scale(1)}}.notice-text{color:var(--coral)}.caption{text-align:center;color:var(--ink);background:var(--surface-2);border-radius:14px;margin:0;padding:8px 14px;font-size:19px}.mic-wrap{flex-direction:column;align-items:center;display:flex}.mic.processing{background:var(--surface-2);color:var(--ink)}.mic .spinner{width:30px;height:30px}.celebrate{color:var(--ink);flex-direction:column;align-items:center;gap:8px;display:flex}.celebrate svg{color:var(--leaf)}.chips-row button:disabled{opacity:.5;cursor:not-allowed}.side-foot{border-top:1px solid var(--line);flex-direction:column;gap:8px;margin-top:auto;padding-top:12px;display:flex}.stat{position:relative}.stat-icon{color:var(--muted);margin-bottom:4px}.welcome{background:linear-gradient(135deg, var(--sun-soft), var(--surface) 65%);border-color:#0000}.setup-steps{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.setup-steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);align-items:flex-start;gap:12px;padding:16px;display:flex}.setup-steps li>div{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.setup-steps p{overflow-wrap:anywhere;font-size:15px}.step-num{background:var(--ink);width:30px;height:30px;color:var(--bg);font-weight:800;font-family:var(--font-display);border-radius:50%;flex:none;place-items:center;display:grid}.row-link{cursor:pointer}.profile{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.avatar-picker{flex-wrap:wrap;gap:10px;display:flex}.avatar-picker .avatar{cursor:pointer;padding:0}.avatar-picker .avatar.picked{outline:3px solid var(--ink);outline-offset:2px}.pin-input{max-width:160px;font-family:var(--font-display);letter-spacing:.2em;font-size:22px;font-weight:700}.signin-card{border:2px dashed var(--sea)}.signin-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin:0;display:grid}.signin-grid dt{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:700}.signin-grid dd{overflow-wrap:anywhere;margin:4px 0 0;font-size:18px;font-weight:700}.signin-grid dd.code{font-family:var(--font-display);letter-spacing:.08em;font-size:26px}.danger-zone .row-between p{max-width:60ch}.pick-list{flex-direction:column;gap:6px;max-height:340px;padding:2px;display:flex;overflow-y:auto}.pick{border:1px solid var(--line);cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:10px 12px;display:flex}.pick:hover{border-color:var(--ink-2)}.pick.picked{border-color:var(--sea);background:var(--sea-soft)}.pick input{width:18px;height:18px;accent-color:var(--sea);flex:none}.answer-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.answer-list li{align-items:flex-start;gap:10px;display:flex}.answer-list svg{flex:none;margin-top:3px}.answer-list .ok{color:var(--leaf)}.answer-list .not-yet{color:var(--coral)}.answer-list .grow{flex:1;min-width:0}.grade-badge{background:var(--sea-soft);min-width:30px;color:var(--sea);border-radius:8px;justify-content:center;align-items:center;padding:2px 8px;font-size:14px;font-weight:800;display:inline-flex}.trend{color:var(--ink-2);white-space:nowrap;align-items:center;gap:4px;font-size:14px;display:inline-flex}.trend.up{color:var(--leaf)}.trend.down{color:var(--coral)}.report-card h3{font-size:17px}.school-form{border-radius:var(--radius);background:var(--surface-2);padding:16px}@media (max-width:640px){.report-table thead{display:none}.report-table,.report-table tbody,.report-table tr,.report-table td{width:100%;display:block}.report-table tr{border-bottom:1px solid var(--line);padding:12px 16px}.report-table tr:last-child{border-bottom:0}.report-table td,.report-table tr:last-child td{text-align:right;border:0;justify-content:space-between;align-items:center;gap:12px;padding:5px 0;display:flex}.report-table td:before{content:attr(data-label);color:var(--muted);text-align:left;font-size:14px}.report-table td.subject-cell{padding-bottom:4px;font-size:17px}.report-table td.subject-cell:before{content:none}.report-table tbody tr:hover td{background:0 0}}.grade-rows{flex-direction:column;gap:8px;display:flex}.grade-row{grid-template-columns:minmax(70px,120px) auto minmax(70px,100px) auto auto;justify-content:start;align-items:center;gap:8px;display:grid}.transcript .bubble .who svg{vertical-align:-2px;opacity:.7}.transcript .bubble.student-msg .who{color:color-mix(in srgb, var(--bg) 75%, transparent)}.parts-list{flex-direction:column;gap:6px;margin:0;padding-left:22px;display:flex}.editor-grid{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:20px;display:grid}.editor-grid aside{position:sticky;top:20px}@media (max-width:960px){.editor-grid{grid-template-columns:1fr}.editor-grid aside{position:static}}.sticky-actions{background:linear-gradient(transparent, var(--bg) 30%);z-index:5;padding-block:12px;position:sticky;bottom:0}.card .sticky-actions{background:linear-gradient(transparent, var(--surface) 30%);margin-bottom:-20px;padding-bottom:20px}.choice-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;display:grid}.choice{border:1px solid var(--line);cursor:pointer;border-radius:14px;flex-direction:column;gap:4px;padding:14px;display:flex;position:relative}.choice:hover{border-color:var(--ink-2)}.choice.picked{border-color:var(--sea);background:var(--sea-soft);box-shadow:inset 0 0 0 1px var(--sea)}.choice input{opacity:0;pointer-events:none;position:absolute}.choice:has(input:focus-visible){outline:3px solid var(--sun);outline-offset:2px}.choice strong{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.voice-row{flex-wrap:wrap}.settings .card h2{font-size:22px}.settings code{background:var(--surface);overflow-wrap:anywhere;border-radius:6px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}.how-to summary{cursor:pointer;color:var(--sea);font-weight:700}.how-to[open] summary{margin-bottom:8px}@media print{body{color:#000;background:#fff}.side,.topbar,.no-print,.toast-region,.back-link{display:none!important}.shell{display:block}.card,.table-wrap{box-shadow:none;break-inside:avoid;border-color:#bbb}.bubble{max-width:100%;color:#000!important;background:#fff!important;border:1px solid #bbb!important}.page{padding:0}}.tutor-bar .container.parts-row{padding-block:0 12px;display:block}.tutor-bar .parts{padding-bottom:0}.signin-grid .span-all{grid-column:1/-1}@media (max-width:520px){.center-screen{place-items:start center;padding-block:20px 32px}.kid-logo .brand-word{display:none}}.bottom-nav{display:none}@media (max-width:860px){.topbar .tabs-row{display:none}.bottom-nav{z-index:30;background:var(--surface);border-top:1px solid var(--line);padding:6px max(6px, env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(6px, env(safe-area-inset-left,0px));grid-template-columns:repeat(7,minmax(0,1fr));gap:2px;display:grid;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{min-width:0;color:var(--muted);border-radius:12px;flex-direction:column;align-items:center;gap:2px;padding:6px 1px;font-size:11.5px;font-weight:700;text-decoration:none;display:flex}.bottom-nav a .nav-label{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.bottom-nav a.active{color:var(--sea);background:var(--sea-soft)}.main{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}}@media print{.bottom-nav{display:none!important}.main{padding-bottom:0}}.bubble.student-msg.queued{opacity:.55}.concern-card{border:2px solid var(--coral);background:var(--coral-soft)}.concern-card.handled{border-color:var(--line);background:var(--surface)}.concern-card>.row svg{color:var(--coral)}.concern-card .list-item{border-color:color-mix(in srgb, var(--coral) 25%, var(--line));flex-wrap:wrap;align-items:flex-start}.covered-tick{--tick:#16c75a;border-top:1px dashed var(--line);color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;align-items:center;gap:10px;margin-top:2px;padding-top:12px;font-size:15px;font-weight:700;display:flex}.covered-tick input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.covered-tick .box{border:3px solid var(--tick);background:var(--surface);color:#0000;border-radius:8px;flex:none;place-items:center;width:30px;height:30px;transition:background .15s,color .15s,transform .1s;display:grid}.covered-tick:hover .box{transform:scale(1.06)}.covered-tick.on{color:var(--leaf)}.covered-tick.on .box{background:var(--tick);color:#fff;box-shadow:0 0 0 4px color-mix(in srgb, var(--tick) 22%, transparent)}.covered-tick input:focus-visible+.box{outline:3px solid var(--ink-2);outline-offset:2px}.covered-tick input:disabled+.box{opacity:.8}.lesson-card:has(.covered-tick.on){border-color:var(--tick,#16c75a);border-width:2px}.chip-hw{background:color-mix(in srgb, var(--berry) 16%, var(--surface));color:var(--berry)}.row.tight{gap:6px}.section-head{margin-bottom:12px}.section-head .section-title{margin-bottom:0}.hw-card{border-color:color-mix(in srgb, var(--berry) 30%, var(--line))}.hw-card.handed-in{opacity:.8}.hw-sources{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;display:grid}.hw-sources .btn{justify-content:center}.hw-item>summary{cursor:pointer;list-style:none}.hw-item>summary::-webkit-details-marker{display:none}.hw-item[open]>summary{border-bottom-style:dashed}.hw-detail{border-bottom:1px solid var(--line);padding:10px 4px 16px}.hw-text{background:var(--bg);border:1px solid var(--line);border-radius:12px;max-height:320px;padding:12px 14px;font-size:15px;line-height:1.45;overflow:auto}.text-coral{color:var(--coral)}.celebrate .covered-tick svg{color:inherit}.hello>.grow{flex:180px}@media (max-width:560px){.hello .time-meter{flex:100%}}.inline-icon{vertical-align:-3px;margin-right:4px}.row.align-end{align-items:flex-end}.chip-live{background:color-mix(in srgb, var(--danger) 14%, var(--surface));color:var(--danger)}.video-setup-steps{gap:6px;margin:4px 0 0;padding-left:20px;display:grid}.watch-url{background:var(--surface);border:1px solid var(--line);overflow-wrap:anywhere;border-radius:10px;padding:8px 10px;font-size:13px;display:block}.video-room{background:#102030;border-radius:16px;width:100%;height:min(72vh,720px);min-height:380px;position:relative;overflow:hidden}.video-frame{position:absolute;inset:0}.video-overlay{text-align:center;color:#e7eef3;pointer-events:none;justify-content:center;align-items:center;gap:10px;padding:16px;font-weight:700;display:flex;position:absolute;inset:0}.video-overlay.error{pointer-events:auto;background:#102030eb}.video-room.compact{border-radius:12px;height:100%;min-height:0}.live-room-page{flex-direction:column;min-height:100%;display:flex}.live-room-main{flex:1;padding-block:16px}.live-room-main .video-room{height:calc(100dvh - 120px);min-height:320px}.live-banner{border-radius:var(--radius-lg);background:color-mix(in srgb, var(--danger) 10%, var(--surface));border:2px solid color-mix(in srgb, var(--danger) 40%, var(--line));color:var(--ink);flex-wrap:wrap;align-items:center;gap:14px;padding:16px 18px;text-decoration:none;display:flex}.live-banner svg{color:var(--danger);flex:none}.live-banner .grow{flex-direction:column;min-width:160px;display:flex}.live-pill{background:color-mix(in srgb, var(--danger) 14%, var(--surface));color:var(--danger);cursor:pointer;border:0;border-radius:999px;flex:none;align-items:center;gap:6px;padding:5px 10px;font-size:14px;font-weight:800;display:inline-flex}.live-pill.open{background:var(--danger);color:#fff}.live-dot{background:currentColor;border-radius:50%;width:9px;height:9px;animation:1.6s ease-in-out infinite live-blink}@keyframes live-blink{50%{opacity:.35}}@media (prefers-reduced-motion:reduce){.live-dot{animation:none}}.lesson-camera{z-index:30;width:240px;height:180px;box-shadow:var(--shadow);background:#102030;border-radius:14px;position:fixed;top:64px;right:12px}.lesson-camera-note{background:var(--surface);box-shadow:var(--shadow-sm);color:var(--ink-2);border-radius:10px;margin-top:6px;padding:6px 8px;font-size:13px;position:absolute;top:100%;left:0;right:0}.lesson-camera:not(.open){opacity:.01;pointer-events:none;width:160px;height:120px;box-shadow:none;top:auto;bottom:0;right:0;transform:translate(calc(100% - 1px),calc(100% - 1px))}@media (max-width:560px){.lesson-camera.open{width:168px;height:126px;top:58px;right:8px}}.note-line{align-items:flex-start;gap:8px;display:flex}.note-line svg{flex:none;margin-top:2px}.lobby-guest{border:1px solid var(--line);background:var(--surface);border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;padding:10px 12px;display:flex}.lobby-guest.waiting{border:2px solid color-mix(in srgb, var(--sea) 55%, var(--line));background:var(--sea-soft)}.lobby-guest>svg{color:var(--sea);flex:none}.lobby-guest .grow{min-width:160px}.live-pill.paused{background:var(--surface-2,#eef2f5);color:var(--muted);font-weight:700}.lobby-warning{color:var(--danger);margin-top:4px;font-weight:700}.dropzone{text-align:center;border:2.5px dashed color-mix(in srgb, var(--sea) 45%, var(--line));border-radius:var(--radius-lg);background:color-mix(in srgb, var(--sea-soft) 55%, var(--surface));flex-direction:column;align-items:center;gap:8px;padding:28px 18px;transition:background .15s,border-color .15s,transform .1s;display:flex}.dropzone.over{border-style:solid;border-color:var(--sea);background:var(--sea-soft);transform:scale(1.01)}.dropzone.disabled{opacity:.6}.dropzone-icon{color:var(--sea)}.dropzone-title{color:var(--ink);font-size:19px;font-weight:800}.dropzone-actions{flex-wrap:wrap;justify-content:center;margin-top:6px}.hw-steps{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.hw-steps li{background:var(--surface-2);color:var(--ink-2);border-radius:999px;align-items:center;gap:8px;padding:5px 14px 5px 5px;font-size:14px;font-weight:700;display:flex}.hw-steps li span{background:var(--surface);border:2px solid var(--line);border-radius:50%;place-items:center;width:26px;height:26px;font-size:13px;display:grid}.hw-steps li.now{background:var(--sea-soft);color:var(--sea)}.hw-steps li.now span{border-color:var(--sea);background:var(--sea);color:var(--sea-ink)}.hw-steps li.done span{border-color:var(--leaf);background:var(--leaf);color:#fff}.hw-pages{gap:10px;display:grid}.hw-page-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;gap:12px;padding:12px;display:flex}.hw-page-card.failed{border-color:var(--coral);background:var(--coral-soft)}.hw-page-card.done{border-color:color-mix(in srgb, var(--leaf) 45%, var(--line))}.hw-thumb{background:var(--surface-2);width:72px;height:92px;color:var(--muted);border-radius:10px;flex:none;place-items:center;display:grid;overflow:hidden}.hw-thumb img{object-fit:cover;width:100%;height:100%}.hw-page-body{flex:1;min-width:0}.hw-row-top{flex-wrap:wrap;align-items:flex-start;gap:12px}.hw-row.handed-in{opacity:.85}.hw-read{margin:6px 0}.hw-read>summary{cursor:pointer;color:var(--ink-2);font-weight:700}.hw-table-row{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding:12px 4px;display:flex}.hw-table-main{flex:260px;min-width:0}.hw-table-main .title{color:var(--ink);font-weight:800;text-decoration:none;display:inline-block}.hw-table-row .covered-tick{border:0;margin:0;padding:0;font-size:14px}.row-between.wrap{flex-wrap:wrap;gap:12px}@media (max-width:560px){.hw-thumb{width:56px;height:72px}.hw-row-actions{width:100%}}.hw-photos{gap:6px;display:grid}.hw-photo-strip{flex-wrap:wrap;gap:8px;display:flex}.hw-photo{background:var(--surface-2);border:1px solid var(--line);width:56px;height:72px;color:var(--muted);border-radius:8px;place-items:center;display:grid;position:relative;overflow:hidden}.hw-photo img{object-fit:cover;width:100%;height:100%}.hw-photo-n{color:#fff;background:#0009;border-radius:999px;padding:2px 5px;font:700 10px/1 system-ui,sans-serif;position:absolute;bottom:3px;right:3px}.hw-table-row .hw-photos{flex:none}.print-photos{break-before:page}.print-photos figure{break-inside:avoid;margin:0 0 12px}.print-photos img{border:1px solid #000;max-width:100%;max-height:24cm;margin:0 auto;display:block}.print-photos figcaption{text-align:center;margin-top:4px;font:11px/1.4 system-ui,sans-serif}.print-sheet{display:none}.print-homework{color:#000;background:#fff;font-family:Georgia,Times New Roman,serif}.print-homework header{border-bottom:3px solid #000;margin-bottom:14px;padding-bottom:8px}.print-brand{letter-spacing:.14em;text-transform:uppercase;font:700 11px/1 system-ui,sans-serif}.print-homework h1{margin:8px 0 0;font-size:26px;line-height:1.2}.print-homework h2{letter-spacing:.1em;text-transform:uppercase;border-bottom:1px solid #999;margin:20px 0 8px;padding-bottom:4px;font:700 12px/1 system-ui,sans-serif}.print-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 28px;margin:0;font-size:13px;display:grid}.print-meta>div{gap:8px;display:flex}.print-meta dt{min-width:84px;font-weight:700}.print-meta dd{margin:0}.print-text{white-space:pre-wrap;font-size:13pt;line-height:1.55}.print-lines{break-inside:avoid}.print-lines i{border-bottom:1px solid #9a9a9a;height:.9cm;display:block}.print-homework footer{color:#444;justify-content:space-between;gap:16px;margin-top:18px;font:11px/1.4 system-ui,sans-serif;display:flex}@media print{html[data-printing] body>:not(.print-sheet){display:none!important}html[data-printing] .print-sheet{display:block}@page{size:A4;margin:16mm}}.diagram-card{border:2px solid var(--line);background:#fff;border-radius:18px;align-self:flex-start;width:min(100%,640px);margin:4px 0 10px;padding:10px 12px 12px;box-shadow:0 2px 10px #0000000d}.diagram-card figcaption{color:var(--ink-2);margin-bottom:6px;font-size:15px;font-weight:800}.diagram-svg svg{width:100%;height:auto;display:block}.diagram-card.drawing{animation:.35s ease-out diagram-in}@keyframes diagram-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.transcript .diagram-card{max-width:560px}@media print{.diagram-card{break-inside:avoid;box-shadow:none}}.lesson-group{border-top:1px solid var(--line);padding-top:10px}.lesson-group>summary{cursor:pointer;align-items:center;gap:10px;padding:8px 0 14px;list-style:none;display:flex}.lesson-group>summary::-webkit-details-marker{display:none}.lesson-group>summary:before{content:"▸";color:var(--muted);font-size:14px;transition:transform .15s}.lesson-group[open]>summary:before{transform:rotate(90deg)}.lesson-group>.grid-cards{padding-bottom:18px}.chip-week{background:var(--surface-2);color:var(--ink-2)}.subject-picker{max-width:260px}.chip-set{background:var(--sun-soft);color:var(--gold)}.chip-locked{background:var(--surface-2);color:var(--muted)}.lesson-card.locked{cursor:not-allowed;opacity:.55;filter:grayscale(.6);box-shadow:none}.lesson-card.locked:hover{border-color:var(--line);transform:none}.lesson-card.locked .foot-action{color:var(--muted)}.lesson-card.set-glow{border:2px solid var(--gold);animation:1.6s ease-in-out infinite set-glow}@keyframes set-glow{0%,to{box-shadow:0 0 #f5b3018c,0 2px 10px #0000000f}50%{box-shadow:0 0 0 8px #f5b30100,0 0 22px 4px #f5b30173}}@media (prefers-reduced-motion:reduce){.lesson-card.set-glow{animation:none;box-shadow:0 0 0 4px #f5b30173}}.set-first{background:color-mix(in srgb, var(--sun-soft) 55%, transparent);border-radius:22px;margin:-16px;padding:16px}.set-notice{background:var(--surface);border:1px solid var(--gold);margin-bottom:14px}.hw-work-actions{flex-wrap:wrap;margin-top:4px}.watch-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:16px;display:grid}.watch-video{min-width:0}.family-watch{max-width:1200px}@media (max-width:900px){.watch-layout{grid-template-columns:minmax(0,1fr)}}.live-activity{padding:16px}.live-activity-title{font-size:1.1rem;line-height:1.3}.live-status{color:var(--muted);align-items:center;gap:6px;font-size:14px;font-weight:700;display:inline-flex}.live-status .live-dot{background:var(--muted);animation:none}.live-status.on{color:#0b7a4b}.live-status.on .live-dot{background:#16a34a}.live-feed{flex-direction:column;gap:8px;max-height:min(52vh,460px);margin:4px 0 0;padding:0;list-style:none;display:flex;overflow-y:auto}.live-msg{background:var(--surface);border:1px solid var(--line);overflow-wrap:anywhere;white-space:pre-wrap;border-radius:12px;padding:8px 10px;font-size:14px;line-height:1.4}.live-msg.student{background:#fff7e0;border-color:#f2d48a;margin-left:18px}.live-msg.tutor{margin-right:18px}.live-msg-who{color:var(--muted);margin-bottom:2px;font-size:12px;font-weight:700;display:block}.chip-focus{color:#1d4ed8;background:#e8f1ff;border-color:#bfd4ff;padding-right:4px}.chip-x{color:inherit;cursor:pointer;background:0 0;border:0;border-radius:50%;align-items:center;margin-left:2px;padding:2px;display:inline-flex}.chip-x:hover{background:#1d4ed81f}.focus-list{flex-wrap:wrap}.report-read .input.narrow{width:84px}.report-read .select{min-width:150px}.catch-up-student{border-top:1px solid var(--line);padding:10px 0}.catch-up-student:first-child{border-top:0}.catch-up-item{align-items:center;gap:10px;padding:6px 0;display:flex}.catch-up-item .grow{min-width:0}
