*{box-sizing:border-box} :root{--bg:#f3f4f6;--card:#fff;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#111827}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.top{position:sticky;top:0;z-index:10;background:#111827;color:white;padding:18px max(18px,calc((100% - 1040px)/2));display:flex;justify-content:space-between;align-items:center}.top h1{font-size:20px;margin:3px 0}.eyebrow{font-size:11px;letter-spacing:.12em;color:#d1d5db}.logout{color:#fff;text-decoration:none;font-size:13px;border:1px solid #374151;padding:8px 11px;border-radius:10px}.wrap{max-width:1040px;margin:auto;padding:18px}.hero{background:#fff;border-radius:22px;padding:22px;display:flex;justify-content:space-between;gap:18px;align-items:center;box-shadow:0 8px 30px #1118270c}.hero h2{margin:12px 0 8px;font-size:28px}.hero p{color:var(--muted);margin:0;max-width:650px}.pill{display:inline-block;background:#eef2ff;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:700}.ring{width:112px;height:112px;border-radius:50%;background:#111827;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;flex:none}.ring strong{font-size:26px}.ring span{font-size:11px;color:#d1d5db}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0}.stats article{background:#fff;border-radius:16px;padding:16px}.stats b{font-size:24px;display:block}.stats span{font-size:12px;color:var(--muted)}.tabs{display:flex;gap:8px;margin:20px 0 12px;overflow:auto}.tab{border:0;background:#e5e7eb;padding:10px 14px;border-radius:999px;font-weight:700;white-space:nowrap}.tab.active{background:#111827;color:white}.day{margin:0 0 20px}.day-title{display:flex;align-items:end;justify-content:space-between;margin:18px 2px 10px}.day-title h3{margin:0}.day-title span{color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.session{background:#fff;border-radius:18px;padding:18px;border:1px solid var(--line)}.session.complete{opacity:.75}.subject{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#6b7280;font-weight:800}.session h4{font-size:17px;line-height:1.35;margin:7px 0 15px}.checks{display:grid;gap:8px}.check{display:flex;gap:10px;align-items:center;font-size:14px}.check input{width:20px;height:20px}.actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:#f9fafb;padding:9px 11px;border-radius:10px;font-weight:700;font-size:12px}.levels{display:flex;gap:7px;margin-top:12px}.level{flex:1;border:1px solid var(--line);background:#fff;padding:9px 4px;border-radius:10px;font-size:12px}.level.sel{outline:2px solid #111827}.empty{background:#fff;padding:30px;border-radius:18px;text-align:center;color:var(--muted)}.hidden{display:none!important}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(80px);background:#111827;color:#fff;padding:11px 15px;border-radius:12px;transition:.25s;z-index:30}#toast.show{transform:translateX(-50%) translateY(0)}
.login-body{min-height:100vh;display:grid;place-items:center;background:#111827;padding:20px}.login-card{width:min(420px,100%);background:#fff;padding:30px;border-radius:24px}.login-card h1{margin:12px 0 3px}.login-card p,.login-card small{color:#6b7280}.brand-mark{width:52px;height:52px;border-radius:15px;background:#111827;color:white;display:grid;place-items:center;font-weight:900}.login-card label{display:block;font-size:13px;font-weight:700;margin:16px 0}.login-card input{display:block;width:100%;padding:13px;border:1px solid #d1d5db;border-radius:11px;margin-top:6px;font-size:16px}.primary{width:100%;padding:13px;border:0;border-radius:11px;background:#111827;color:#fff;font-weight:800;font-size:15px}.error{background:#fee2e2;padding:10px;border-radius:10px;margin-top:12px;font-size:13px}
@media(max-width:700px){.top{padding:14px 16px}.wrap{padding:12px}.hero{align-items:flex-start;padding:18px}.hero h2{font-size:22px}.ring{width:82px;height:82px}.ring strong{font-size:20px}.stats{gap:7px}.stats article{padding:12px}.stats b{font-size:20px}.grid{grid-template-columns:1fr}.session{padding:16px}.day-title{align-items:center}.levels{position:relative}.level{font-size:11px}.hero p{font-size:13px}}