:root{--bg: #f4f6f8;--bg-tint: #e9eef1;--surface: #ffffff;--surface-2: #f7fafb;--ink: #0f1e24;--ink-soft: #3a4c53;--muted: #67787f;--line: #e3e9ec;--line-strong: #cdd7db;--accent: #7c3aed;--accent-deep: #6d28d9;--accent-soft: #ece3fd;--accent-tint: #f5f0ff;--accent2: #4f46e5;--accent2-soft: #e6e6fb;--accent2-tint: #f1f1fd;--ochre: #b9791a;--ochre-soft: #f8eed9;--rose: #c23a57;--rose-soft: #fae1e6;--sky: #0891b2;--good: #0d9488;--bad: #c23a57;--brand-grad: linear-gradient(135deg, #7c3aed 0%, #a855f7 55%, #ec4899 130%);--warm-grad: linear-gradient(135deg, #f0a835 0%, #e07a3f 100%);--shadow: 0 1px 2px rgba(15,30,36,.05), 0 6px 20px rgba(15,30,36,.06);--shadow-lg: 0 4px 10px rgba(15,30,36,.06), 0 18px 46px rgba(15,30,36,.12);--ring: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent);--radius: 16px;--radius-sm: 11px;--serif: "Cambria", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;--sans: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;--mono: "Cascadia Code", "Consolas", ui-monospace, "Roboto Mono", monospace;--measure: 72ch}@media (prefers-color-scheme: dark){:root{--bg: #0b1417;--bg-tint: #0f1c1f;--surface: #13201f;--surface-2: #162524;--ink: #e9efeb;--ink-soft: #bccac5;--muted: #8397;--muted: #849693;--line: #24332f;--line-strong: #33443f;--accent: #a78bfa;--accent-deep: #c4b5fd;--accent-soft: #241a3a;--accent-tint: #181328;--accent2: #a5b4fc;--accent2-soft: #1e1f3a;--accent2-tint: #171833;--ochre: #e0a94a;--ochre-soft: #2c2413;--rose: #f18aa0;--rose-soft: #2f1a1f;--sky: #38bdf8;--good: #2dd4bf;--bad: #f18aa0;--brand-grad: linear-gradient(135deg, #a78bfa 0%, #c084fc 55%, #f0abfc 130%);--warm-grad: linear-gradient(135deg, #e0a94a 0%, #d98a52 100%);--shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35);--shadow-lg: 0 6px 18px rgba(0,0,0,.4), 0 24px 60px rgba(0,0,0,.5);--ring: 0 0 0 3px color-mix(in srgb, var(--accent) 40%, transparent)}}:root[data-theme=light]{--bg: #f4f6f8;--bg-tint: #e9eef1;--surface: #ffffff;--surface-2: #f7fafb;--ink: #0f1e24;--ink-soft: #3a4c53;--muted: #67787f;--line: #e3e9ec;--line-strong: #cdd7db;--accent: #7c3aed;--accent-deep: #6d28d9;--accent-soft: #ece3fd;--accent-tint: #f5f0ff;--accent2: #4f46e5;--accent2-soft: #e6e6fb;--accent2-tint: #f1f1fd;--ochre: #b9791a;--ochre-soft: #f8eed9;--rose: #c23a57;--rose-soft: #fae1e6;--good: #0d9488;--bad: #c23a57;--brand-grad: linear-gradient(135deg, #7c3aed 0%, #a855f7 55%, #ec4899 130%);--shadow: 0 1px 2px rgba(15,30,36,.05), 0 6px 20px rgba(15,30,36,.06);--shadow-lg: 0 4px 10px rgba(15,30,36,.06), 0 18px 46px rgba(15,30,36,.12)}:root[data-theme=dark]{--bg: #0b1417;--bg-tint: #0f1c1f;--surface: #13201f;--surface-2: #162524;--ink: #e9efeb;--ink-soft: #bccac5;--muted: #849693;--line: #24332f;--line-strong: #33443f;--accent: #a78bfa;--accent-deep: #c4b5fd;--accent-soft: #241a3a;--accent-tint: #181328;--accent2: #a5b4fc;--accent2-soft: #1e1f3a;--accent2-tint: #171833;--ochre: #e0a94a;--ochre-soft: #2c2413;--rose: #f18aa0;--rose-soft: #2f1a1f;--good: #2dd4bf;--bad: #f18aa0;--brand-grad: linear-gradient(135deg, #a78bfa 0%, #c084fc 55%, #f0abfc 130%);--shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35);--shadow-lg: 0 6px 18px rgba(0,0,0,.4), 0 24px 60px rgba(0,0,0,.5)}:root{--on-accent: #fff}@media (prefers-color-scheme: dark){:root{--on-accent: #0b1220}}:root[data-theme=light]{--on-accent: #fff}:root[data-theme=dark]{--on-accent: #0b1220}:root,:root[data-theme=light],:root[data-theme=dark]{--accent-soft: color-mix(in srgb, var(--accent) 20%, var(--surface));--accent-tint: color-mix(in srgb, var(--accent) 9%, var(--surface))}:root[data-accent]{--on-accent: #fff}:root[data-accent=indigo]{--accent:#4f46e5;--accent-deep:#4338ca;--accent2:#0891b2;--brand-grad: linear-gradient(135deg,#4f46e5,#7c3aed 55%,#ec4899 130%)}:root[data-accent=violet]{--accent:#7c3aed;--accent-deep:#6d28d9;--accent2:#0d9488;--brand-grad: linear-gradient(135deg,#7c3aed,#a855f7 55%,#ec4899 130%)}:root[data-accent=rose]{--accent:#e11d48;--accent-deep:#be123c;--accent2:#7c3aed;--brand-grad: linear-gradient(135deg,#f43f5e,#e11d48 55%,#f59e0b 130%)}:root[data-accent=amber]{--accent:#d97706;--accent-deep:#b45309;--accent2:#0d9488;--brand-grad: linear-gradient(135deg,#f59e0b,#d97706 55%,#db2777 130%)}:root[data-accent=blue]{--accent:#2563eb;--accent-deep:#1d4ed8;--accent2:#0891b2;--brand-grad: linear-gradient(135deg,#2563eb,#06b6d4 60%,#22d3ee 130%)}.accent-picker{display:inline-flex;gap:6px;align-items:center}.accent-dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--line-strong);cursor:pointer;padding:0;transition:transform .12s}.accent-dot:hover{transform:scale(1.15)}.accent-dot.on{box-shadow:0 0 0 2px var(--accent);transform:scale(1.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent-deep)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}h1,h2,h3{font-family:var(--sans);font-weight:700;letter-spacing:-.022em;text-wrap:balance}h1{font-weight:800}.container{max-width:1080px;margin:0 auto;padding:28px 20px 80px}.container.narrow{max-width:820px}.app-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.app-header .bar{position:relative;max-width:1080px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:800;letter-spacing:-.02em;font-size:1.16rem;color:var(--ink);text-decoration:none;white-space:nowrap}.brand .dot{width:13px;height:13px;border-radius:4px;background:var(--brand-grad);transform:rotate(45deg)}.nav-area{display:flex;flex:1;align-items:center;gap:16px;min-width:0}.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;align-items:center;justify-content:center;font-size:1.25rem;background:var(--bg-tint);border:1px solid var(--line);border-radius:9px;color:var(--ink);cursor:pointer}.nav{display:flex;gap:4px;flex-wrap:wrap}.nav a{text-decoration:none;color:var(--ink-soft);font-size:.92rem;font-weight:500;padding:7px 12px;border-radius:8px}.nav a:hover{background:var(--bg-tint);color:var(--ink)}.nav a.active{background:var(--accent-tint);color:var(--accent-deep);font-weight:650}.bar-right{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}.avatar{width:32px;height:32px;border-radius:50%;border:1px solid var(--line-strong);object-fit:cover}.avatar-fallback{display:inline-grid;place-items:center;background:var(--accent);color:var(--on-accent);font-weight:700;font-size:.9rem;border-color:transparent}.avatar.lg{width:44px;height:44px;font-size:1.1rem}.profile-menu{position:relative}.profile-trigger{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 12px 4px 4px;cursor:pointer;color:var(--ink);transition:border-color .15s,box-shadow .15s}.profile-trigger:hover{border-color:var(--accent);box-shadow:var(--shadow)}.profile-trigger .pt-name{font-size:.88rem;font-weight:600;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-trigger .pt-caret{font-size:.68rem;color:var(--muted)}.profile-dropdown{position:absolute;right:0;top:calc(100% + 8px);z-index:50;width:272px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;animation:reveal .16s ease both}.pd-head{display:flex;align-items:center;gap:12px;padding:8px 8px 10px}.pd-id{min-width:0;display:flex;flex-direction:column}.pd-id strong{font-size:.95rem;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pd-id span{font-size:.78rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pd-sep{height:1px;background:var(--line);margin:6px 4px}.pd-label{font-size:.64rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;padding:4px 10px 2px}.pd-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;text-decoration:none;font-family:var(--sans);font-size:.9rem;font-weight:500;color:var(--ink);background:none;border:none;border-radius:9px;padding:9px 10px;cursor:pointer}.pd-item:hover{background:var(--accent-tint);color:var(--accent-deep)}.pd-item .pd-ic{width:18px;text-align:center}.pd-item .pd-val{color:var(--muted);text-transform:capitalize}.pd-item.danger:hover{background:var(--rose-soft);color:var(--rose)}.pd-accents{display:flex;gap:8px;padding:4px 10px 8px}.nav-account{display:none}.btn{font-family:var(--sans);font-weight:600;font-size:.92rem;border-radius:10px;padding:10px 17px;cursor:pointer;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);transition:background .15s,border-color .15s,color .15s,box-shadow .15s,transform .15s;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.btn:hover{border-color:var(--accent);color:var(--accent-deep)}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);box-shadow:0 2px 10px color-mix(in srgb,var(--accent) 32%,transparent)}.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:var(--on-accent);transform:translateY(-1px);box-shadow:0 4px 16px color-mix(in srgb,var(--accent) 40%,transparent)}.btn-ghost{background:transparent;color:var(--accent-deep)}.btn.sm{padding:6px 12px;font-size:.84rem}.btn.block{width:100%;justify-content:center}.btn:disabled{opacity:.5;cursor:default}.btn-google{gap:10px}.btn-google svg{width:18px;height:18px}.phone-field{display:flex;align-items:stretch;border:1px solid var(--line-strong);border-radius:9px;overflow:hidden;background:var(--surface)}.phone-field:focus-within{border-color:var(--accent)}.phone-prefix{display:inline-flex;align-items:center;padding:0 12px;font-family:var(--sans);font-weight:600;font-size:.95rem;color:var(--ink-soft);background:var(--bg-tint);border-right:1px solid var(--line)}.phone-input{flex:1;min-width:0;font-family:var(--sans);font-size:1rem;letter-spacing:.04em;color:var(--ink);background:transparent;border:0;outline:none;padding:11px 14px}.phone-input[aria-invalid=true]{color:var(--rose)}.linkish{background:none;border:0;padding:0;color:var(--accent-deep);font:inherit;cursor:pointer;text-decoration:underline}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}.form-grid .fld-wide{grid-column:1 / -1}.fld{display:flex;flex-direction:column;gap:6px}.fld>span{font-size:.78rem;font-weight:700;color:var(--ink-soft)}.fld input,.fld select{font-family:var(--sans);font-size:.95rem;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;padding:10px 12px;width:100%}.fld input:focus,.fld select:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.phone-row{display:flex;gap:8px}.phone-row .cc-select{flex:0 0 auto;max-width:172px}.phone-row .phone-num{flex:1;min-width:0}.consents{display:flex;flex-direction:column;gap:10px;margin-top:2px}.fld-check{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;color:var(--ink-soft);cursor:pointer}.fld-check input{width:17px;height:17px;margin-top:2px;accent-color:var(--accent);flex:0 0 auto}@media (max-width: 560px){.form-grid{grid-template-columns:1fr}.phone-row .cc-select{max-width:132px}}.auth-card{max-width:520px;margin:30px auto}.auth-divider{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--muted);font-size:.8rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--line)}.auth-seg{width:100%;margin-bottom:16px}.auth-seg button{flex:1}.banner{background:var(--ochre-soft);border:1px solid var(--line);border-left:4px solid var(--ochre);border-radius:10px;padding:12px 16px;margin:0 0 20px;font-size:.9rem;color:var(--ink)}.banner b{color:var(--ochre)}.hero{padding:20px 0 8px}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;font-weight:700;color:var(--accent);margin:0 0 12px}.hero h1{font-size:clamp(2.1rem,5.2vw,3.2rem);font-weight:800;letter-spacing:-.03em;margin:0 0 12px;color:var(--ink)}.hero h1 .accent{color:var(--accent)}.lede{font-size:1.08rem;color:var(--ink-soft);max-width:58ch;margin:0 0 22px}.cta-row{display:flex;gap:12px;flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.card.hover:hover,a.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}.card h3{margin:0 0 6px;font-size:1.15rem;color:var(--accent-deep)}.card p{margin:0 0 12px;color:var(--ink-soft);font-size:.92rem}.card .meta{font-size:.8rem;color:var(--muted)}.subject-card{display:flex;flex-direction:column;gap:6px}.subject-card .badge-row{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 12px}.badge{display:inline-block;font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-deep)}.badge.amber{background:var(--ochre-soft);color:var(--ochre)}.badge.rose{background:var(--rose-soft);color:var(--rose)}.pill{display:inline-block;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:999px}.pill.good{background:var(--accent-tint);color:var(--accent-deep)}.pill.bad{background:var(--rose-soft);color:var(--rose)}.pill.mute{background:var(--bg-tint);color:var(--muted)}.controls{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);margin:0 0 18px}.field{display:flex;flex-direction:column;gap:5px;font-size:.68rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700}.field select,.field input[type=number]{font-family:var(--sans);font-size:.92rem;text-transform:none;letter-spacing:0;font-weight:500;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;padding:8px 10px;min-width:150px}.field.check{flex-direction:row;align-items:center;gap:8px;text-transform:none;letter-spacing:0;font-weight:500;font-size:.85rem;color:var(--ink-soft)}.field.check input{width:16px;height:16px;accent-color:var(--accent)}.seg{display:inline-flex;background:var(--bg-tint);border:1px solid var(--line);border-radius:999px;padding:3px}.seg button{font-family:var(--sans);font-size:.85rem;font-weight:600;color:var(--muted);background:transparent;border:none;border-radius:999px;padding:7px 16px;cursor:pointer}.seg button.active{background:var(--accent);color:var(--on-accent)}.qcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:0 0 14px;box-shadow:var(--shadow)}.qhead{display:flex;align-items:center;gap:10px;margin-bottom:10px}.tag{font-size:.72rem;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent-deep)}.qtype{font-size:.66rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700;margin-left:auto}.qn{font-family:var(--mono);font-size:.78rem;color:var(--muted)}.bm{background:transparent;border:none;cursor:pointer;font-size:1.1rem;line-height:1;color:var(--muted);padding:0 2px}.bm.on{color:var(--ochre)}.qq{font-weight:600;color:var(--ink);margin:0 0 14px;line-height:1.5}.ar{margin:0 0 10px}.arlab{font-size:.64rem;text-transform:uppercase;letter-spacing:.12em;font-weight:700;color:var(--accent);display:block;margin-bottom:2px}.ar p{margin:0;color:var(--ink)}.stmts{margin:0 0 14px;padding-left:22px}.stmts li{margin:5px 0;color:var(--ink)}.opts{display:grid;gap:8px}.opt{display:flex;gap:11px;align-items:baseline;text-align:left;width:100%;font-family:var(--sans);font-size:.95rem;color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:10px 14px;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.opt .k{font-weight:700;color:var(--muted);font-family:var(--mono);font-size:.85rem;flex:0 0 auto}.opt .t{flex:1 1 auto}.opt .mk{flex:0 0 auto;font-weight:700;margin-left:6px}.opt:hover:not(:disabled){border-color:var(--accent);background:var(--accent-tint);color:var(--ink)}.opt:disabled{cursor:default}.opt.chosen{border-color:var(--accent);background:var(--accent-tint);color:var(--ink);font-weight:600}.opt.correct{background:var(--accent-tint);border-color:var(--accent);color:var(--accent-deep);font-weight:600}.opt.correct .k{color:var(--accent)}.opt.wrong{background:var(--rose-soft);border-color:var(--rose);color:var(--rose)}.opt.wrong .k{color:var(--rose)}.sol{margin-top:14px;padding:12px 16px;background:var(--bg-tint);border-radius:9px;border-left:3px solid var(--accent)}.sollab{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:var(--accent-deep);display:block;margin-bottom:5px}.sol p{margin:0;font-size:.92rem}.statusbar{position:sticky;top:54px;z-index:20;display:flex;flex-wrap:wrap;gap:12px;align-items:center;background:var(--accent-tint);border:1px solid var(--line);border-radius:10px;padding:10px 16px;margin:0 0 16px}.statusbar .score{font-weight:700;color:var(--accent-deep)}.statusbar .timer{margin-left:auto;font-variant-numeric:tabular-nums;font-size:1.05rem;font-weight:700;color:var(--accent-deep)}.statusbar .timer.low{color:var(--rose)}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:4px 0 20px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center;box-shadow:var(--shadow)}.stat.good{background:var(--accent-tint)}.stat.bad{background:var(--rose-soft)}.stat .n{font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums}.stat.good .n{color:var(--accent-deep)}.stat.bad .n{color:var(--rose)}.stat .l{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}table{border-collapse:collapse;width:100%;font-size:.9rem;background:var(--surface)}th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}thead th{background:var(--accent-soft);color:var(--accent-deep);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--surface-2)}.num{font-variant-numeric:tabular-nums}.section-title{font-size:1.4rem;margin:26px 0 12px;color:var(--ink)}.muted{color:var(--muted)}.empty{color:var(--muted);font-style:italic;padding:22px;text-align:center;background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius)}.center{text-align:center}.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:40px auto}@keyframes spin{to{transform:rotate(360deg)}}.app-footer{border-top:1px solid var(--line);background:var(--surface);padding:24px 20px;text-align:center;color:var(--muted);font-size:.85rem}.row-actions{display:flex;gap:10px;flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:10px}@keyframes reveal{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes shimmer{to{background-position:200% 0}}.reveal{opacity:0;animation:reveal .55s cubic-bezier(.2,.7,.3,1) forwards;animation-delay:var(--d, 0ms)}.brand-text{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}@media (prefers-reduced-motion: reduce){.reveal{animation:none;opacity:1}.card,.tile,.btn{transition:none!important}.float{animation:none!important}}.theme-toggle{background:var(--bg-tint);border:1px solid var(--line);color:var(--ink-soft);width:34px;height:34px;border-radius:9px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:1rem;transition:background .15s,color .15s,transform .15s}.theme-toggle:hover{color:var(--accent-deep);transform:translateY(-1px)}.greet-hero{position:relative;overflow:hidden;border-radius:22px;padding:40px 36px;margin:4px 0 28px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}.greet-hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--brand-grad);opacity:.05;z-index:0}.greet-hero:after{content:"";position:absolute;width:360px;height:360px;right:-120px;top:-150px;border-radius:50%;background:var(--brand-grad);opacity:.1;filter:blur(10px);z-index:0}.greet-hero>*{position:relative;z-index:1}.greet-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:var(--accent-deep);background:color-mix(in srgb,var(--surface) 70%,transparent);border:1px solid var(--line);padding:5px 12px;border-radius:999px}.greet-hero h1{font-size:clamp(2.1rem,5vw,3.35rem);font-weight:800;letter-spacing:-.03em;margin:16px 0 10px;line-height:1.06}.greet-hero .sub{font-size:1.05rem;color:var(--ink-soft);max-width:56ch;margin:0 0 20px}.greet-emoji{font-size:1.5rem}.search-box{width:100%;font-family:var(--sans);font-size:1.05rem;padding:14px 18px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);color:var(--ink)}.search-box:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.home-search{display:flex;gap:10px;margin:4px 0 0;max-width:560px}.home-search input{flex:1}.resume-row{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch;margin:2px 0 18px}.continue-card{display:flex;flex-direction:column;gap:3px;text-decoration:none;flex:1 1 320px;min-width:0;padding:14px 18px;border-radius:16px;background:var(--accent-tint);border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line));transition:transform .16s ease,box-shadow .16s ease}.continue-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.continue-card .cc-label{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-deep)}.continue-card .cc-title{font-size:1.06rem;font-weight:700;color:var(--ink);line-height:1.25;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.continue-card .cc-meta{font-size:.82rem;color:var(--ink-soft)}.continue-card .cc-go{font-size:.85rem;font-weight:700;color:var(--accent-deep);margin-top:4px}.streak-chip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;padding:12px 20px;border-radius:16px;background:color-mix(in srgb,#ff6b35 14%,var(--surface));border:1px solid color-mix(in srgb,#ff6b35 34%,var(--line));min-width:108px}.streak-chip .sc-flame{font-size:1.5rem;line-height:1}.streak-chip .sc-n{font-size:1.5rem;font-weight:800;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums}.streak-chip .sc-l{font-size:.72rem;font-weight:600;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em}.pref-chip{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0 2px;font-size:.9rem;color:var(--ink-soft);background:color-mix(in srgb,var(--surface) 75%,transparent);border:1px solid var(--line);border-radius:999px;padding:7px 14px}.pref-chip .pref-ic{font-size:1rem}.pref-chip .linkish{font-size:.85rem}.pref-set{margin:14px 0 2px}.pref-set-label{display:block;font-size:.85rem;font-weight:600;color:var(--ink-soft);margin-bottom:8px}.pref-selects{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.pref-selects select{font-family:var(--sans);font-size:.92rem;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;padding:9px 12px;min-width:132px}.pref-selects select:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.install-banner{position:fixed;left:50%;bottom:16px;transform:translate(-50%);z-index:60;display:flex;align-items:center;gap:12px;width:min(440px,calc(100vw - 24px));padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);animation:ib-in .28s ease both}@keyframes ib-in{0%{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%)}}@media (prefers-reduced-motion: reduce){.install-banner{animation:none}}.install-banner .ib-icon{font-size:1.6rem;line-height:1}.install-banner .ib-text{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1}.install-banner .ib-text strong{font-size:.95rem;color:var(--ink)}.install-banner .ib-text span{font-size:.78rem;color:var(--ink-soft)}.install-banner .ib-close{background:none;border:none;color:var(--muted);font-size:1rem;cursor:pointer;padding:4px 6px;border-radius:8px;line-height:1}.install-banner .ib-close:hover{color:var(--ink);background:var(--accent-tint)}.container.wide{max-width:1140px}.lp-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:30px 0 10px}.lp-hero-copy h1{font-size:clamp(2.3rem,5.2vw,3.7rem);font-weight:800;letter-spacing:-.032em;line-height:1.04;margin:12px 0 16px}.lp-hero-copy .lede{font-size:1.12rem;margin-bottom:24px;max-width:52ch}.app-preview{border-radius:16px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-lg);overflow:hidden;transform:perspective(1400px) rotateY(-5deg) rotateX(3deg)}@media (prefers-reduced-motion: no-preference){.app-preview{animation:floaty 6.5s ease-in-out infinite}}.ap-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--surface-2);border-bottom:1px solid var(--line)}.ap-dot{width:10px;height:10px;border-radius:50%;background:var(--line-strong)}.ap-addr{margin-left:12px;font-size:.72rem;color:var(--muted);background:var(--bg-tint);padding:3px 12px;border-radius:999px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ap-body{padding:18px 20px 22px}.ap-eyebrow{font-size:.64rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:700}.ap-h{font-size:1.16rem;font-weight:800;letter-spacing:-.02em;margin:6px 0 12px;color:var(--ink)}.ap-line{height:9px;border-radius:6px;background:var(--bg-tint);margin:7px 0}.ap-fig{margin:14px 0;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--accent-tint);color:var(--accent-deep);display:grid;place-items:center}.ap-fig svg{width:56%;height:auto}.ap-quiz{display:flex;flex-direction:column;gap:8px;margin-top:12px}.ap-opt{font-size:.82rem;padding:9px 13px;border-radius:10px;border:1px solid var(--line);color:var(--ink-soft);background:var(--surface-2)}.ap-opt.correct{border-color:var(--accent);background:var(--accent-tint);color:var(--accent-deep);font-weight:700}.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:36px 0;padding:26px 24px;border-radius:20px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}.stats-band .stat-pill{text-align:center}.stats-band .sp-n{display:block;font-size:clamp(1.6rem,3vw,2rem);font-weight:800;letter-spacing:-.02em;color:var(--accent-deep);font-variant-numeric:tabular-nums;line-height:1.1}.stats-band .sp-l{font-size:.78rem;color:var(--muted);font-weight:600}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:16px}.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.feature-card .fc-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:1.45rem;background:var(--accent-tint);margin-bottom:12px}.feature-card h3{font-size:1.1rem;margin:0 0 6px;color:var(--ink)}.feature-card p{font-size:.9rem;color:var(--ink-soft);margin:0;line-height:1.55}.cta-band{position:relative;overflow:hidden;text-align:center;padding:46px 30px;margin:40px 0 8px;border-radius:22px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}.cta-band:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--brand-grad);opacity:.09}.cta-band>*{position:relative}.cta-band h2{font-size:clamp(1.6rem,3.6vw,2.25rem);margin:0 0 10px}.cta-band p{color:var(--ink-soft);margin:0 auto 20px;max-width:46ch}@media (max-width: 900px){.lp-hero{grid-template-columns:1fr;gap:30px}.app-preview{transform:none;max-width:480px;margin:4px auto 0;animation:none}.stats-band{grid-template-columns:repeat(2,1fr);gap:20px;row-gap:22px}}.trust-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}.trust-badge{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--ink-soft);background:color-mix(in srgb,var(--surface) 80%,transparent);border:1px solid var(--line);border-radius:999px;padding:6px 12px}.trust-badge .ti{color:var(--accent-deep)}.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:.86rem;color:var(--muted);margin:2px 0 16px}.crumbs a{color:var(--ink-soft);text-decoration:none;font-weight:500}.crumbs a:hover{color:var(--accent-deep)}.crumbs .sep{opacity:.5}.crumbs .cur{color:var(--ink);font-weight:600}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}.tile{position:relative;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}.tile .tico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:1.3rem;background:var(--accent-tint);color:var(--accent-deep);margin-bottom:6px}.tile.alt .tico{background:var(--accent2-tint);color:var(--accent2)}.tile .tname{font-weight:700;font-size:1.05rem;letter-spacing:-.01em}.tile .tmeta{font-size:.8rem;color:var(--muted)}.tile .tarrow{position:absolute;right:16px;top:16px;color:var(--muted);opacity:0;transform:translate(-4px);transition:opacity .18s,transform .18s}.tile:hover .tarrow{opacity:1;transform:none}.tile-num{font-family:var(--mono);font-size:.72rem;color:var(--muted)}.class-row{display:flex;flex-wrap:wrap;gap:12px}.class-chip{display:flex;flex-direction:column;align-items:center;justify-content:center;width:96px;height:96px;border-radius:18px;text-decoration:none;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s}.class-chip:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--accent)}.class-chip .cn{font-family:var(--sans);font-size:2rem;font-weight:800;letter-spacing:-.02em;color:var(--accent-deep);line-height:1}.class-chip .cl{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:4px}.board-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.board-card{text-decoration:none;color:var(--ink);position:relative;overflow:hidden}.board-card .bband{height:6px;border-radius:999px;background:var(--brand-grad);margin-bottom:14px}.board-card.hbse .bband{background:var(--warm-grad)}.reader{max-width:76ch;margin:0 auto}.reader h2{font-size:1.5rem;margin:30px 0 10px;color:var(--ink)}.reader h3{font-size:1.18rem;margin:22px 0 8px;color:var(--accent-deep);font-family:var(--sans);font-weight:700}.reader p{margin:0 0 14px;color:var(--ink-soft)}.reader ul,.reader ol{margin:0 0 14px;padding-left:24px;color:var(--ink-soft)}.reader li{margin:5px 0}.reader strong{color:var(--ink)}.reader code{font-family:var(--mono);font-size:.9em;background:var(--bg-tint);padding:1px 6px;border-radius:5px}.reader blockquote{margin:0 0 14px;padding:8px 16px;border-left:3px solid var(--accent);background:var(--accent-tint);border-radius:0 8px 8px 0;color:var(--ink)}.example{background:var(--surface-2);border:1px solid var(--line);border-left:4px solid var(--accent2);border-radius:10px;padding:14px 18px;margin:0 0 16px}.example .exlab{font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;font-weight:700;color:var(--accent2);display:block;margin-bottom:6px}.example .exq{font-weight:600;color:var(--ink);margin:0 0 8px}.keypoints{background:var(--accent-tint);border:1px solid var(--accent-soft);border-radius:12px;padding:16px 20px;margin:22px 0}.keypoints h4{margin:0 0 8px;font-size:.95rem;color:var(--accent-deep)}.keypoints ul{margin:0;padding-left:20px}.keypoints li{margin:4px 0;color:var(--ink)}.chapter-nav{display:flex;justify-content:space-between;gap:12px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}.svg-figure{margin:6px 0 18px;padding:16px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;text-align:center}.svg-figure-canvas{max-width:460px;margin:0 auto;color:var(--ink)}.svg-figure-canvas svg{width:100%;height:auto;max-height:360px;display:block}.svg-figure figcaption{margin-top:10px;font-size:.82rem;color:var(--muted);font-style:italic}.video-cta{display:inline-flex;align-items:center;gap:8px}.reader .refs{margin:24px 0 0;padding:14px 18px;background:var(--accent2-tint);border:1px solid var(--accent2-soft);border-radius:12px}.reader .refs h4{margin:0 0 8px;font-size:.95rem;color:var(--accent2)}.reader .refs a{display:inline-block;margin:2px 0}.md-table-wrap{overflow-x:auto;margin:0 0 16px;border:1px solid var(--line);border-radius:10px}.md-table{border-collapse:collapse;width:100%;font-size:.9rem}.md-table th,.md-table td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top;color:var(--ink-soft)}.md-table th{background:var(--accent-tint);color:var(--accent-deep);font-weight:700}.md-table tr:last-child td{border-bottom:none}.md-table th:last-child,.md-table td:last-child{border-right:none}.chapter-list{display:flex;flex-direction:column;gap:10px}.chapter-row{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s,border-color .15s}.chapter-row:hover{transform:translate(3px);box-shadow:var(--shadow-lg);border-color:var(--accent)}.chapter-row .cno{flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-family:var(--sans);font-weight:800;background:var(--accent-tint);color:var(--accent-deep)}.chapter-row .ctitle{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px;font-weight:600}.chapter-row .ct-meta{font-size:.74rem;font-weight:500;color:var(--muted)}.reader-meta{font-size:.85rem;color:var(--muted);font-weight:600;margin:0 0 16px}.bm-btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-weight:600;font-size:.88rem;color:var(--ink-soft);background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;padding:9px 15px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.bm-btn:hover{border-color:var(--accent);color:var(--accent-deep)}.bm-btn.on{color:var(--accent-deep);border-color:var(--accent);background:var(--accent-tint)}.bm-btn.sm{padding:6px 10px;font-size:1.05rem;line-height:1}.bm-btn:disabled{opacity:.6;cursor:default}.notes-panel{margin:26px 0 6px;padding:18px 20px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius)}.np-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px;flex-wrap:wrap}.np-head h4{margin:0;font-size:1rem;color:var(--ink)}.np-private{font-size:.74rem;color:var(--muted)}.np-text{width:100%;font-family:var(--sans);font-size:.95rem;line-height:1.6;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;padding:12px 14px;resize:vertical}.np-text:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.np-actions{display:flex;align-items:center;gap:12px;margin-top:10px}.np-count{font-size:.74rem}.np-status{font-size:.82rem;color:var(--good);font-weight:600}.saved-list{display:flex;flex-direction:column;gap:10px}.saved-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow);transition:border-color .15s}.saved-row:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.saved-main{display:flex;align-items:center;gap:12px;flex:1;min-width:0;text-decoration:none;color:var(--ink)}.saved-row.saved-note{text-decoration:none;color:var(--ink);align-items:flex-start}.saved-ic{font-size:1.3rem;flex:0 0 auto}.saved-text{display:flex;flex-direction:column;gap:2px;min-width:0}.saved-title{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.saved-meta{font-size:.78rem;color:var(--muted)}.saved-note-snip{font-size:.84rem;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.complete-btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-weight:600;font-size:.88rem;color:var(--ink-soft);background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;padding:9px 15px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.complete-btn:hover{border-color:var(--good);color:var(--good)}.complete-btn.on{color:#fff;background:var(--good);border-color:var(--good)}.complete-btn:disabled{opacity:.6;cursor:default}.lang-toggle{flex:0 0 auto}.lang-toggle button{min-width:74px}.sel-tr-btn{font-family:var(--sans);font-size:.8rem;font-weight:600;color:var(--on-accent);background:var(--accent);border:0;border-radius:999px;padding:7px 14px;cursor:pointer;box-shadow:var(--shadow-lg)}.sel-tr-btn:hover{background:var(--accent-deep)}.sel-tr-pop{display:block;max-width:min(340px,86vw);font-size:.9rem;line-height:1.5;color:var(--ink);background:var(--surface);border:1px solid color-mix(in srgb,var(--accent) 40%,var(--line));border-radius:10px;padding:10px 14px;box-shadow:var(--shadow-lg)}.sel-tr-src{display:block;font-size:.72rem;color:var(--muted);font-weight:600;margin-bottom:4px}.qlang{font-family:var(--sans);font-size:.72rem;font-weight:600;color:var(--accent-deep);background:var(--accent-tint);border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:999px;padding:2px 10px;cursor:pointer;transition:background .15s,border-color .15s}.qlang:hover{background:var(--accent-soft);border-color:var(--accent)}.complete-gate{display:inline-flex;flex-direction:column;gap:4px;align-items:flex-start}.gate-hint{font-size:.72rem;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}.subj-progress{margin:0 0 22px}.sp-bar{height:8px;border-radius:999px;background:var(--bg-tint);overflow:hidden}.sp-bar>span{display:block;height:100%;background:var(--brand-grad);border-radius:999px;transition:width .4s ease}.sp-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:8px}.sp-text{font-size:.85rem;color:var(--ink-soft);font-weight:600}.chapter-row .cno.done{background:var(--good);color:#fff}.cert-actions{display:flex;gap:10px;justify-content:flex-end;margin:0 0 18px}.certificate{max-width:820px;margin:0 auto;background:var(--surface);border-radius:14px;padding:14px;box-shadow:var(--shadow-lg)}.cert-inner{position:relative;border:2px solid var(--accent);border-radius:10px;padding:48px 40px 36px;text-align:center;background:radial-gradient(circle at 50% -10%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 60%)}.cert-inner:before{content:"";position:absolute;top:8px;right:8px;bottom:8px;left:8px;border:1px solid color-mix(in srgb,var(--accent) 40%,var(--line));border-radius:6px;pointer-events:none}.cert-badge{font-size:2.6rem}.cert-brand{font-weight:800;letter-spacing:-.02em;font-size:1.1rem;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-top:2px}.cert-kicker{text-transform:uppercase;letter-spacing:.28em;font-size:.82rem;font-weight:700;color:var(--accent-deep);margin:18px 0 20px}.cert-pre,.cert-body{color:var(--ink-soft);font-size:.95rem;margin:6px 0}.cert-name{font-size:clamp(1.8rem,5vw,2.8rem);font-weight:800;letter-spacing:-.02em;margin:6px 0 4px;color:var(--ink)}.cert-subject{font-size:clamp(1.1rem,2.6vw,1.5rem);font-weight:700;color:var(--accent-deep);margin:4px 0 20px}.cert-date{color:var(--muted);font-size:.9rem}.cert-foot{display:flex;justify-content:space-between;gap:12px;margin-top:28px;padding-top:14px;border-top:1px solid var(--line);font-size:.78rem;color:var(--muted)}.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:4px 0 20px}.cert-card{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s}.cert-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}.cert-card-ic{font-size:1.7rem}.cert-card-title{font-weight:700;color:var(--ink)}.cert-card-sub{font-size:.8rem;color:var(--muted)}.cert-card-go{margin-top:6px;font-size:.82rem;font-weight:600;color:var(--accent-deep)}.cert-progress{display:block;height:6px;border-radius:999px;background:var(--bg-tint);overflow:hidden;margin-top:6px;max-width:320px}.cert-progress-bar{display:block;height:100%;background:var(--brand-grad);border-radius:999px}.cert-pct{font-weight:700;font-variant-numeric:tabular-nums;color:var(--accent-deep);flex:0 0 auto}.tutor-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.tutor-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s}.tutor-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.tutor-photo{width:84px;height:84px;border-radius:50%;overflow:hidden;display:inline-grid;place-items:center;background:var(--bg-tint);margin-bottom:6px;flex:0 0 auto}.tutor-photo img{width:100%;height:100%;object-fit:cover}.tutor-photo.lg{width:96px;height:96px}.tutor-name{font-weight:700;font-size:1.05rem}.tutor-headline{font-size:.85rem;color:var(--ink-soft)}.tutor-meta{font-size:.78rem;color:var(--muted);margin-top:2px}.tutor-fee{margin-top:8px;font-weight:800;color:var(--accent-deep)}.tutor-head{display:flex;align-items:center;gap:16px}.tutor-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.fee-row{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}.fee-pill{text-align:center;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 20px}.fee-pill .fee-n{display:block;font-weight:800;font-size:1.2rem;color:var(--accent-deep)}.fee-pill .fee-l{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.chip-select{display:flex;flex-wrap:wrap;gap:8px}.chip-opt{font-family:var(--sans);font-size:.85rem;font-weight:600;color:var(--ink-soft);background:var(--surface);border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;cursor:pointer}.chip-opt.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.teach-photo-row{display:flex;align-items:center;gap:14px;margin-bottom:6px}.teach-status.pending{border-left-color:var(--ochre);background:var(--ochre-soft)}.teach-status.approved{border-left-color:var(--good);background:var(--accent-tint)}.teach-status.rejected{border-left-color:var(--rose);background:var(--rose-soft)}.stars{display:inline-flex;gap:1px;vertical-align:middle}.stars .star{color:var(--line-strong);font-size:1.05rem;line-height:1;background:none;border:none;padding:0 1px}.stars button.star{cursor:pointer}.stars .star.on{color:#f5a623}.legal h2{font-size:1.15rem;margin:22px 0 6px}.legal p{color:var(--ink-soft);margin:0 0 10px}@media print{.app-header,.app-footer,.cert-actions,.install-banner,.nav-toggle{display:none!important}body{background:#fff}.container{padding:0;max-width:none}.certificate{box-shadow:none;max-width:none;padding:0}.cert-inner{border-color:#7c3aed}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}}.chapter-row .cstate{flex:0 0 auto;font-size:.72rem}.soon{opacity:.62}.soon:hover{transform:none;border-color:var(--line);box-shadow:var(--shadow);cursor:default}.sec-head{display:flex;align-items:center;gap:10px;margin:28px 0 14px}.sec-head h2{font-size:1.35rem;margin:0}.sec-head .line{flex:1;height:1px;background:var(--line)}@media (max-width: 860px){.nav-toggle{display:inline-flex;margin-left:auto}.bar-right{margin-left:0}.nav-area{display:none}.nav-area.open{display:flex;flex-direction:column;align-items:stretch;gap:8px;position:absolute;top:100%;left:0;right:0;z-index:40;background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);padding:12px 18px 16px}.nav-area.open .nav{flex-direction:column;align-items:stretch;gap:2px}.nav-area.open .nav a{padding:11px 12px;border-radius:8px;font-size:.95rem}.profile-menu{display:none}.nav-account{display:flex;flex-direction:column;gap:2px;margin-top:8px;padding-top:10px;border-top:1px solid var(--line)}.nav-account .na-id{display:flex;align-items:center;gap:10px;padding:4px 10px 10px}.nav-account .na-id strong{display:block;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-account .na-id span{display:block;font-size:.78rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-account a,.nav-account .na-signout,.na-appearance>button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;text-decoration:none;font-family:var(--sans);font-size:.95rem;font-weight:500;color:var(--ink);background:none;border:none;border-radius:8px;padding:11px 12px;cursor:pointer}.nav-account a:hover,.na-appearance>button:hover{background:var(--accent-tint);color:var(--accent-deep)}.nav-account a.active{background:var(--accent-tint);color:var(--accent-deep)}.na-appearance{padding:6px 2px 2px}.na-appearance .accent-picker{padding:6px 12px 8px}.nav-account .na-signout{color:var(--rose)}.nav-account .na-signout:hover{background:var(--rose-soft)}}@media (max-width: 640px){.app-header .bar{gap:8px}.nav a{padding:6px 9px;font-size:.85rem}.controls{flex-direction:column;align-items:stretch}.field select,.field input[type=number]{width:100%}.statusbar{top:0}.greet-hero{padding:26px 20px}.class-chip{width:80px;height:80px}}