:root{--bg:#f5f5f2;--bg-tint:#ecebff;--surface:#fff;--surface-2:#fafafa;--text:#17171c;--text-dim:#6d6d78;--border:#e8e7e2;--border-strong:#d9d8d2;--accent:#5b5bf0;--accent-press:#4a4ad6;--accent-soft:#5b5bf01a;--accent-contrast:#fff;--good:#12b886;--bad:#f0384b;--warn:#e8890c;--gold:#d99a00;--shadow-sm:0 1px 2px #14141e0a, 0 1px 3px #14141e0f;--shadow-md:0 4px 12px -2px #14141e14, 0 2px 6px -2px #14141e0f;--shadow-lg:0 20px 40px -16px #14141e2e;--radius:18px;--radius-sm:12px;--radius-xs:9px;--maxw:1160px;--font-display:"Bricolage Grotesque", "Manrope", system-ui, sans-serif;--font-body:"Manrope", system-ui, -apple-system, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=dark]{--bg:#0e0e12;--bg-tint:#191826;--surface:#17171e;--surface-2:#1d1d26;--text:#ececf1;--text-dim:#9a9aa6;--border:#2a2a34;--border-strong:#363642;--accent:#7c7cff;--accent-press:#6a6aff;--accent-soft:#7c7cff29;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 6px 18px -6px #00000080;--shadow-lg:0 24px 48px -18px #0009;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=sunset]{--bg:#fff7f2;--bg-tint:#ffe8dc;--surface:#fffdfc;--surface-2:#fff4ee;--text:#2a1a14;--text-dim:#8a6a5c;--border:#f3e2d8;--border-strong:#e8cbba;--accent:#f0663a;--accent-press:#db5127;--accent-soft:#f0663a1f;--gold:#e0820a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=forest]{--bg:#f2f7f3;--bg-tint:#dcf0e2;--surface:#fff;--surface-2:#f5faf6;--text:#14231a;--text-dim:#5c7566;--border:#dceae0;--border-strong:#c3ddcb;--accent:#17936b;--accent-press:#0f7d5a;--accent-soft:#17936b1f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=ocean]{--bg:#0c1524;--bg-tint:#12233d;--surface:#121c30;--surface-2:#16233b;--text:#e6eefb;--text-dim:#8ea3c2;--border:#223350;--border-strong:#2e4568;--accent:#2dd4bf;--accent-press:#17b8a4;--accent-soft:#2dd4bf29;--accent-contrast:#06231f;--lightningcss-light: 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28px;font-size:1.05rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px}.badge{background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);letter-spacing:.01em;border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:.72rem;font-weight:700;display:inline-flex}.badge-free{color:var(--good);background:color-mix(in srgb, var(--good) 12%, transparent);border-color:#0000}.badge-pro{color:var(--accent);background:var(--accent-soft);border-color:#0000}.badge-premium{color:var(--gold);background:color-mix(in srgb, var(--gold) 14%, transparent);border-color:#0000}.field{flex-direction:column;gap:6px;margin-bottom:15px;display:flex}.field label{color:var(--text-dim);font-size:.85rem;font-weight:600}.input{border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text);font-family:var(--font-body);outline:none;padding:12px 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small{color:var(--text-dim);font-size:.78rem}.award-row{flex-wrap:wrap;flex:1;align-items:center;gap:10px;display:flex}.award-shield{display:inline-flex}.award-medal{align-items:center;gap:3px;font-size:1.05rem;display:inline-flex}.award-medal b{color:var(--accent-contrast);background:var(--accent);text-align:center;border-radius:999px;min-width:18px;padding:1px 6px;font-size:.78rem}.rate-score{font-family:var(--font-display);flex-shrink:0;margin-left:auto;font-size:1.25rem;font-weight:700}.modal-backdrop{z-index:100;background:#00000080;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.profile-modal{width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.metric-list{flex-direction:column;gap:2px;margin:8px 0 0;padding:0;list-style:none;display:flex}.metric-list li{border-bottom:1px solid var(--border);padding:10px 0;font-size:.94rem}.metric-list li:last-child{border-bottom:none}.metric-list li span{color:var(--text-dim);align-items:center;gap:7px;font-weight:600;display:inline-flex}.award-toast-stack{z-index:200;pointer-events:none;flex-direction:column;gap:10px;display:flex;position:fixed;top:20px;right:20px}.award-toast{pointer-events:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);cursor:pointer;align-items:center;gap:12px;min-width:250px;max-width:320px;padding:12px 16px 12px 12px;display:flex}.award-toast-icon{border-radius:12px;flex-shrink:0;place-items:center;width:44px;height:44px;font-size:1.5rem;display:grid}.award-toast div{flex-direction:column;min-width:0;display:flex}.award-toast b{font-size:.95rem}.award-toast span{color:var(--text-dim);white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;overflow:hidden}.medals-row{gap:22px;margin:14px 0 6px;display:flex}.medal-stat{align-items:center;gap:8px;display:flex}.medal-emoji{font-size:1.6rem}.medal-stat b{font-family:var(--font-display);font-size:1.4rem}.ach-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-top:14px;display:grid}.ach-card{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);align-items:flex-start;gap:12px;padding:12px;display:flex;position:relative}.ach-card.locked{opacity:.66}.ach-card.done{border-color:color-mix(in srgb, var(--good) 45%, var(--border));background:color-mix(in srgb, var(--good) 6%, var(--surface))}.ach-icon{border-radius:11px;flex-shrink:0;place-items:center;width:42px;height:42px;font-size:1.4rem;display:grid}.ach-info{flex:1;min-width:0}.ach-info b{font-size:.92rem;display:block}.ach-info small{color:var(--text-dim);margin-top:1px;font-size:.78rem;line-height:1.3;display:block}.ach-progress{background:var(--border);border-radius:999px;height:6px;margin:7px 0 20px;position:relative}.ach-progress-bar{border-radius:999px;height:100%;transition:width .4s}.ach-progress span{color:var(--text-dim);font-size:.7rem;line-height:1;position:absolute;top:9px;right:0}.ach-check{color:var(--good);font-size:1.1rem;font-weight:800}.soon-card{text-align:center;flex-direction:column;align-items:center;gap:12px;max-width:620px;margin:30px auto;padding:40px;display:flex}.soon-icon{background:var(--accent-soft);width:64px;height:64px;color:var(--accent);border-radius:20px;place-items:center;display:grid}.match-grid{gap:8px;margin-top:8px;display:grid}.match-card{aspect-ratio:1;border-radius:var(--radius-xs);border:1px solid var(--border-strong);background:var(--accent);color:var(--accent-contrast);cursor:pointer;box-shadow:var(--shadow-sm);place-items:center;font-size:clamp(1.2rem,5vw,1.8rem);display:grid}.match-card.open{background:var(--surface)}.match-card.matched{background:color-mix(in srgb, var(--good) 20%, var(--surface));border-color:var(--good);cursor:default}.grid-cell{aspect-ratio:1;border-radius:var(--radius-xs);border:1px solid var(--border-strong);background:var(--surface-2);cursor:pointer;transition:background .12s}.grid-cell:hover{border-color:var(--accent)}.grid-cell.lit{background:var(--accent);border-color:#0000}.grid-cell.done{background:color-mix(in srgb, var(--good) 30%, var(--surface));border-color:var(--good)}.grid-cell.wrong{background:color-mix(in srgb, var(--bad) 25%, transparent);border-color:var(--bad)}.stroop-word{font-family:var(--font-display);text-align:center;letter-spacing:.02em;padding:34px 0;font-size:clamp(2.4rem,11vw,4rem);font-weight:800}.reaction-pad{border-radius:var(--radius);width:100%;min-height:240px;font-family:var(--font-display);color:#fff;cursor:pointer;border:none;font-size:1.8rem;font-weight:700;transition:background .1s}.reaction-pad.wait{background:var(--bad)}.reaction-pad.go{background:var(--good)}.reaction-pad.result{background:var(--text-dim)}.trail-cell.num{color:var(--accent)}.trail-cell.let{color:var(--good)}.nback-symbol{text-align:center;padding:24px 0 30px;font-size:clamp(3rem,16vw,6rem)}.scramble-letters{flex-wrap:wrap;justify-content:center;gap:8px;padding:26px 0;display:flex}.scramble-tile{background:var(--surface);border:1px solid var(--border-strong);width:46px;height:54px;font-family:var(--font-display);box-shadow:var(--shadow-sm);border-radius:10px;place-items:center;font-size:1.5rem;font-weight:700;display:grid}.compare-row{grid-template-columns:1fr 1fr;gap:14px;margin-top:10px;display:grid}.compare-side{border-radius:var(--radius);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-family:var(--font-display);cursor:pointer;box-shadow:var(--shadow-sm);padding:40px 14px;font-size:clamp(1.4rem,6vw,2.2rem);font-weight:700;transition:all .12s}.compare-side:hover{border-color:var(--accent);transform:translateY(-2px)}.compare-side.ok{background:color-mix(in srgb, var(--good) 18%, transparent);border-color:var(--good)}.compare-side.no{background:color-mix(in srgb, var(--bad) 18%, transparent);border-color:var(--bad)}.truefalse{color:#fff;border:none;flex:1;padding:20px}.tf-ok{background:var(--good)}.tf-no{background:var(--bad)}.slide-tile{font-size:clamp(1.3rem,6vw,2rem)}.slide-empty{aspect-ratio:1}.seq-next{flex-wrap:wrap;justify-content:center;gap:10px;padding:26px 0;display:flex}.seq-next-num{font-family:var(--font-display);color:var(--text);font-size:1.9rem;font-weight:700}.seq-next-num.q{color:var(--accent)}.dots-field{border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--border);height:240px;position:relative;overflow:hidden}.dot{background:var(--accent);border-radius:50%;width:20px;height:20px;position:absolute;transform:translate(-50%,-50%)}.iq-wrap{max-width:560px;margin:20px auto}.iq-card{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:32px;display:flex}.iq-icon{background:var(--accent-soft);width:64px;height:64px;color:var(--accent);border-radius:20px;place-items:center;display:grid}.iq-progress{background:var(--border);border-radius:999px;width:100%;height:6px;overflow:hidden}.iq-progress div{background:var(--accent);height:100%;transition:width .3s}.iq-question{width:100%}.iq-question h2{margin:18px 0;font-size:1.5rem}.iq-options{gap:10px;display:grid}.iq-score{font-family:var(--font-display);color:var(--accent);font-size:4.5rem;line-height:1}.iq-timer{color:var(--text-dim);font-variant-numeric:tabular-nums;align-items:center;gap:5px;font-size:.95rem;font-weight:700;display:inline-flex}.iq-timer.low{color:var(--bad)}.iq-tallies{gap:14px;margin-top:4px;display:flex}.iq-tally{font-family:var(--font-display);font-size:1.2rem;font-weight:700}.iq-tally.ok{color:var(--good)}.iq-tally.no{color:var(--bad)}.iq-review{flex-direction:column;gap:12px;margin:12px 0 0;padding:0;list-style:none;display:flex}.iq-review-item{border-bottom:1px solid var(--border);padding-bottom:12px}.iq-review-item:last-child{border-bottom:none}.iq-review-item 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solid;border-radius:14px;flex-direction:column;align-items:center;gap:4px;padding:16px;display:flex}.cert-grade b{font-size:1.05rem}.cert-faq{flex-direction:column;gap:10px;display:flex}.cert-faq-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px}.cert-faq-item b{align-items:center;gap:6px;margin-bottom:4px;display:flex}.cert-page{max-width:560px;padding:30px 0}.cert-card{color:#fff;text-align:center;background:linear-gradient(135deg,#12121a,#1c1c2b);border-radius:20px;padding:34px 28px;box-shadow:0 12px 40px #0000004d}.cert-card.revoked{opacity:.7}.cert-card-head{color:#8a8aa0;letter-spacing:.06em;text-transform:uppercase;justify-content:center;align-items:center;gap:6px;font-size:.82rem;display:flex}.cert-revoked-note{color:#f0384b;margin-top:8px;font-weight:700}.cert-name{font-size:2rem;font-weight:800;font-family:var(--font-display);margin:18px 0 6px}.cert-grade-big{font-size:1.6rem;font-weight:800}.cert-score{margin-top:4px;font-size:1.1rem}.cert-meta{color:#8a8aa0;margin-top:14px;font-size:.88rem}.cert-dash-cta{color:var(--accent);border:1.5px solid color-mix(in srgb, var(--accent) 40%, var(--border));background:var(--accent-soft);align-items:center;gap:10px;text-decoration:none;display:flex}.cert-list{flex-direction:column;gap:8px;display:flex}.cert-list-item{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:10px 12px;text-decoration:none;display:block}.exam-run{max-width:640px;padding:16px 0 40px}.exam-top{align-items:center;margin-bottom:8px}.exam-block-label{font-weight:700}.exam-timer{font-variant-numeric:tabular-nums;background:var(--surface-2);border-radius:999px;align-items:center;gap:5px;padding:5px 11px;font-weight:800;display:inline-flex}.exam-timer.low{background:color-mix(in srgb, var(--bad) 16%, var(--surface));color:var(--bad)}.exam-progress-line{background:var(--border);border-radius:999px;height:5px;margin:6px 0;overflow:hidden}.exam-progress-line span{background:var(--accent);height:100%;transition:width .3s;display:block}.exam-task-count{color:var(--text-dim);margin-bottom:8px;font-size:.85rem}.exam-task{padding:18px}.exam-img{object-fit:contain;background:var(--surface-2);border-radius:12px;width:100%;max-height:380px}.exam-question{margin:0 0 14px;font-size:1.1rem;font-weight:600}.exam-options{flex-direction:column;gap:8px;display:flex}.exam-opt{text-align:left;white-space:normal;justify-content:flex-start;height:auto;padding:11px 14px}.exam-nav{margin-top:14px}.exam-done{max-width:480px;padding:30px 0}.exam-score-big{font-size:3rem;font-weight:800;font-family:var(--font-display);margin:8px 0}.exam-breakdown{color:var(--text-dim);flex-wrap:wrap;justify-content:center;gap:8px 14px;margin-top:14px;font-size:.85rem;display:flex}@media (width<=520px){.cert-hero h1{font-size:2rem}.exam-img{max-height:300px}}