:root{color-scheme:dark;--bg:#0b0d10;--panel:#111419;--soft:#171b21;--line:#252a33;--muted:#929aa8;--text:#f4f5f7;--accent:#b7f36b;--accent2:#76d9b2;--danger:#ff8d8d;--shadow:0 18px 60px #0007}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 75% -10%,#273223 0,transparent 27%),var(--bg);color:var(--text)}button,input,textarea{font:inherit}button{color:inherit}.boot{height:100vh;display:grid;place-content:center;text-align:center;color:var(--muted)}.brand-mark{width:46px;height:46px;display:grid;place-items:center;margin:auto;border-radius:14px;background:var(--accent);color:#10150b;font-weight:900;box-shadow:0 0 40px #b7f36b44}.shell{min-height:100vh;display:grid;grid-template-columns:268px 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:24px 18px;border-right:1px solid var(--line);background:#0c0f13ee;backdrop-filter:blur(18px);display:flex;flex-direction:column}.logo{display:flex;align-items:center;gap:12px;padding:0 8px 24px;font-weight:720;letter-spacing:-.03em}.logo small{display:block;color:var(--muted);font-weight:500;font-size:11px;letter-spacing:.08em;text-transform:uppercase}.nav{display:grid;gap:5px}.nav button{border:0;background:transparent;text-align:left;padding:11px 12px;border-radius:10px;color:#abb2bd;cursor:pointer;display:flex;align-items:center;gap:11px}.nav button:hover,.nav button.active{background:var(--soft);color:#fff}.nav svg{width:18px}.sidebar-foot{margin-top:auto}.student{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);border-radius:13px;background:#12161b}.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#10150b;display:grid;place-items:center;font-weight:800}.student b{font-size:13px}.student small{display:block;color:var(--muted);margin-top:2px}.main{min-width:0}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 34px;border-bottom:1px solid #ffffff0d;position:sticky;top:0;background:#0b0d10cc;backdrop-filter:blur(18px);z-index:5}.crumb{font-size:13px;color:var(--muted)}.crumb b{color:#e9eaed}.status-pill{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;border:1px solid var(--line);padding:7px 10px;border-radius:999px}.dot{width:7px;height:7px;border-radius:50%;background:#f3b96b}.content{max-width:1180px;margin:auto;padding:48px 42px 80px}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);font-weight:750}.hero{display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:end;margin-bottom:36px}.hero h1,.page-head h1{font-size:clamp(34px,5vw,62px);letter-spacing:-.055em;line-height:.98;margin:12px 0 18px}.hero p,.page-head p{color:#a9b0ba;line-height:1.7;max-width:660px}.progress-ring{width:170px;height:170px;border-radius:50%;background:conic-gradient(var(--accent) var(--p),#242932 0);display:grid;place-items:center;margin-left:auto;box-shadow:0 0 70px #b7f36b12}.progress-ring:after{content:"";position:absolute}.ring-inner{width:142px;height:142px;border-radius:50%;background:#101318;display:grid;place-content:center;text-align:center}.ring-inner strong{font-size:34px}.ring-inner span{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.card{border:1px solid var(--line);background:linear-gradient(145deg,#15191f,#101318);border-radius:17px;padding:22px;box-shadow:0 1px 0 #ffffff08 inset}.metric{grid-column:span 3}.metric span{color:var(--muted);font-size:12px}.metric strong{display:block;font-size:28px;margin-top:13px;letter-spacing:-.04em}.continue{grid-column:span 8;min-height:210px;background:linear-gradient(145deg,#1b2419,#111713);position:relative;overflow:hidden}.continue:after{content:"G";position:absolute;right:20px;bottom:-65px;font-size:220px;font-weight:900;color:#b7f36b0b}.continue h2{font-size:28px;max-width:540px;letter-spacing:-.03em}.side-card{grid-column:span 4}.btn{border:0;background:var(--accent);color:#12170c;padding:11px 16px;border-radius:10px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.btn:hover{filter:brightness(1.08)}.btn.secondary{background:#20252c;color:#fff;border:1px solid #303641}.chapter-list{display:grid;gap:12px;margin-top:30px}.chapter-row{display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:center;padding:19px;border:1px solid var(--line);border-radius:15px;background:#111419;cursor:pointer}.chapter-row:hover{border-color:#414936;transform:translateY(-1px)}.chapter-number{font-size:12px;color:var(--accent);font-weight:800}.chapter-row h3{margin:0 0 6px;font-size:16px}.chapter-row p{margin:0;color:var(--muted);font-size:13px}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px}.course-card{padding:20px;border:1px solid var(--line);border-radius:15px;background:var(--panel);cursor:pointer}.course-card:hover{border-color:#596348}.course-card small{color:var(--accent)}.course-card h3{margin:8px 0;font-size:17px}.course-card p{color:var(--muted);font-size:13px;line-height:1.55}.tag{display:inline-block;border:1px solid #313740;border-radius:99px;padding:5px 8px;font-size:10px;color:#aeb5bf;margin:3px}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;margin-top:28px}.lesson{border:1px solid var(--line);border-radius:17px;padding:30px;background:#111419}.lesson h2{font-size:28px;letter-spacing:-.03em}.lesson h3{margin-top:28px}.lesson p,.lesson li{color:#b0b6c0;line-height:1.75}.side-note{border:1px solid var(--line);border-radius:17px;padding:20px;height:max-content;background:#101318;position:sticky;top:92px}.side-note label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.side-note strong{display:block;margin:8px 0 18px}.segmented{display:flex;gap:6px;background:#0d1014;padding:5px;border-radius:12px;margin:25px 0}.segmented button{flex:1;border:0;background:transparent;padding:10px;border-radius:8px;color:var(--muted);cursor:pointer}.segmented button.active{background:#242931;color:white}.eval-banner{border:1px solid #4b462c;background:linear-gradient(135deg,#201e14,#141511);border-radius:18px;padding:28px;margin-top:26px}.rubric{display:grid;gap:10px}.rubric-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.chat-shell{height:calc(100vh - 68px);display:grid;grid-template-columns:240px 1fr}.chat-history{border-right:1px solid var(--line);padding:18px;background:#0f1216}.new-chat{width:100%;border:1px solid #303640;background:#15191f;padding:11px;border-radius:10px;text-align:left;cursor:pointer}.history-label{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:10px;margin:25px 4px 10px}.history-item{padding:10px;border-radius:9px;font-size:12px;color:#b9bec6}.history-item.active{background:#1a1f25;color:white}.chat-main{display:flex;flex-direction:column;min-width:0}.messages{flex:1;overflow:auto;padding:46px max(28px,calc((100% - 760px)/2)) 150px}.message{display:flex;gap:16px;margin-bottom:30px}.message .bubble{line-height:1.7;color:#d4d7dc;max-width:680px}.message.user{justify-content:flex-end}.message.user .bubble{background:#20252c;border:1px solid #30363f;border-radius:16px 16px 4px 16px;padding:12px 16px}.ai-avatar{width:30px;height:30px;flex:0 0 auto;border-radius:9px;background:var(--accent);color:#11170c;display:grid;place-items:center;font-weight:900}.quick-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.quick-actions button{border:1px solid var(--line);background:#15191e;border-radius:999px;padding:7px 10px;color:#aeb4bd;font-size:11px;cursor:pointer}.composer-wrap{position:fixed;left:508px;right:0;bottom:0;padding:40px max(28px,calc((100% - 760px)/2)) 22px;background:linear-gradient(transparent,#0b0d10 38%)}.composer{border:1px solid #343b45;background:#171b20;border-radius:17px;padding:12px;box-shadow:var(--shadow)}.composer textarea{width:100%;resize:none;border:0;outline:0;background:transparent;color:#fff;min-height:52px;padding:5px}.composer-foot{display:flex;justify-content:space-between;align-items:center}.composer-foot small{color:var(--muted)}.send{width:34px;height:34px;border:0;border-radius:10px;background:var(--accent);color:#111;cursor:pointer;font-weight:900}.notice{padding:12px 14px;border:1px solid #52482d;background:#211d12;color:#e7c982;border-radius:11px;font-size:12px;margin-bottom:20px}.empty{padding:50px;text-align:center;color:var(--muted)}.menu{display:none}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:20;width:268px;transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none}.menu{display:block;border:0;background:transparent}.topbar{padding:0 18px}.content{padding:32px 20px}.hero{grid-template-columns:1fr}.progress-ring{margin:10px auto}.metric{grid-column:span 6}.continue,.side-card{grid-column:span 12}.course-grid,.detail-layout{grid-template-columns:1fr}.chat-shell{grid-template-columns:1fr}.chat-history{display:none}.composer-wrap{left:0}.messages{padding-left:20px;padding-right:20px}}@media(max-width:520px){.metric{grid-column:span 12}.chapter-row{grid-template-columns:38px 1fr}.chapter-row .btn{display:none}.hero h1,.page-head h1{font-size:38px}}
/* Authentification Supabase */
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 0,#102d52 0,#060a12 52%)}
.auth-card{width:min(440px,100%);padding:40px;border:1px solid rgba(85,207,255,.22);border-radius:22px;background:rgba(8,15,27,.94);box-shadow:0 30px 90px rgba(0,0,0,.45)}
.auth-card h1{font-size:clamp(28px,6vw,44px);margin:16px 0 10px}.auth-card>p{color:#9aa9bb;line-height:1.6}
.auth-card form{display:grid;gap:16px;margin-top:28px}.auth-card label{display:grid;gap:8px;color:#d9e9f6;font-size:13px;font-weight:700}
.auth-card input{width:100%;padding:14px 16px;border:1px solid rgba(255,255,255,.13);border-radius:10px;background:#0b1422;color:#fff;font:inherit}
.auth-card input:focus{outline:2px solid #39c8ff;outline-offset:2px}.auth-error{min-height:20px;color:#ff8d96!important;margin:0!important}

.academy-studio-link{display:block;margin:0 4px 16px;padding:11px 12px;border:1px solid #2b4561;border-radius:10px;color:#a4dfff;font-size:12px;font-weight:700;text-decoration:none;background:#0d1b2a}
.academy-studio-link:hover,.academy-studio-link:focus-visible{border-color:#40bdf4;color:#fff;outline:0;background:#11304c}