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(prefers-color-scheme:dark){:root:not([data-theme=light]){--paper:#101215;--surface:#171a1e;--surface-2:#1e2226;--ink:#e7e9e7;--muted:#9aa1a7;--faint:#767c83;--rule:#282c31;--rule-strong:#3a4046;--gold:#d2a944;--gold-wash:#241f11;--correct:#5cb187;--correct-wash:#12241b;--incorrect:#dd8280;--incorrect-wash:#261414;--split:#cf9a3e;--split-wash:#241c0f;--focus:#7ea2ff;--shadow:0 1px 2px #0006, 0 8px 24px -18px #000000b3}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}body{background:var(--paper);color:var(--ink);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;margin:0;font-size:17px;line-height:1.6}:root[lang=ar] body,[dir=rtl] 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20px;margin:0;padding:0;list-style:none;display:flex}.site-nav a{color:var(--muted);border-block-end:2px solid #0000;padding-block:6px;font-size:.95rem;text-decoration:none;display:inline-block}.site-nav a:hover{color:var(--ink)}.site-nav a[aria-current=page]{color:var(--ink);border-block-end-color:var(--ink);font-weight:600}.lang-switch ul{gap:10px;margin:0;padding:0;font-size:.88rem;list-style:none;display:flex}.lang-switch a{color:var(--muted);border:1px solid var(--rule);border-radius:var(--radius-sm);padding:3px 7px;text-decoration:none}.lang-switch a[aria-current=true]{color:var(--ink);border-color:var(--rule-strong);font-weight:600}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:0;text-wrap:balance;margin-block:0 .5em;font-weight:600;line-height:1.15}:root[lang=ar] h1,:root[lang=ar] h2,:root[lang=ar] h3,:root[lang=ar] h4,[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3,[dir=rtl] h4{font-family:var(--font-ar);font-weight:700}h1{letter-spacing:-.008em;font-size:clamp(2rem,4.4vw,2.9rem)}h2{margin-block-start:2em;font-size:clamp(1.4rem,2.7vw,1.75rem)}h3{margin-block-start:1.6em;font-size:1.2rem}p,li{text-wrap:pretty}.lede{color:var(--muted);max-inline-size:60ch;font-size:1.15rem}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-block-end:6px;font-size:.72rem;font-weight:600}.facts{background:var(--rule);border:1px solid var(--rule);border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;margin-block:28px;display:grid;overflow:hidden}.facts div{background:var(--surface);padding:14px 16px}.facts dt{letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-block-end:4px;font-size:.72rem}.facts dd{margin:0;font-size:.98rem;font-weight:600}.quiz{margin-block:32px}.q{border:1px solid var(--rule);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);contain:layout;margin-block-end:18px;padding:20px}.q-head{flex-wrap:wrap;align-items:baseline;gap:8px 14px;margin-block-end:10px;display:flex}.q-num{letter-spacing:.06em;text-transform:uppercase;color:var(--faint);font-size:.76rem;font-weight:600}.q-text{margin-block:0 14px;font-size:1.08rem;font-weight:600}.q-image{background:var(--surface-2);border-radius:var(--radius-sm);text-align:center;margin-block:0 16px;padding:16px}.q-image img{max-block-size:220px}.opts{gap:8px;margin:0;padding:0;list-style:none;display:grid}.opt{border:1px solid var(--rule);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;align-items:flex-start;gap:12px;padding:12px 14px;display:flex}.opt:hover{border-color:var(--rule-strong)}.opt-mark{inline-size:1.6em;color:var(--faint);flex:none;font-weight:600}.opt.is-correct{border-color:var(--correct);background:var(--correct-wash)}.opt.is-incorrect{border-color:var(--incorrect);background:var(--incorrect-wash)}.expl{border-block-start:1px solid var(--rule);margin-block-start:14px;padding-block-start:14px}.expl ol{color:var(--muted);gap:8px;margin:0;padding-inline-start:1.3em;font-size:.95rem;display:grid}.expl li::marker{color:var(--faint)}.expl .is-answer{color:var(--ink);font-weight:500}.q-source{color:var(--faint);margin-block-start:12px;font-size:.84rem}.q-source a{color:var(--muted)}.result{--verdict:var(--rule-strong);--verdict-wash:var(--surface-2);border:1px solid var(--rule);border-inline-start:4px solid var(--verdict);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);margin-block:28px;padding:26px 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cubic-bezier(.22,.68,.36,1);position:absolute;inset-block:0;inset-inline-start:0}.gauge-gate{--gate-at:0%;background:var(--rule-strong);inline-size:2px;position:absolute;inset-block:-6px;inset-inline-start:var(--gate-at);transform:translate(-1px)}.gauge-gate-label{font-variant-numeric:tabular-nums;color:var(--faint);direction:ltr;unicode-bidi:isolate;font-size:.7rem;font-weight:600;line-height:1;position:absolute;inset-block-end:calc(100% + 5px);inset-inline-start:50%;transform:translate(-50%)}.gauge-gate.is-met{background:var(--verdict)}.gauge-gate.is-met .gauge-gate-label{color:var(--verdict)}.gauge-gate.is-einb{inline-size:3px;transform:translate(-1.5px)}@media (prefers-reduced-motion:reduce){.gauge-fill{transition:none}}.split-note{background:var(--verdict-wash);border-inline-start:3px solid var(--verdict);border-radius:var(--radius-sm);margin-block-start:18px;padding:14px 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0}.btn-row{flex-wrap:wrap;gap:10px;margin-block:20px;display:flex}.cards{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-block:24px;padding:0;list-style:none;display:grid}.card{border:1px solid var(--rule);border-radius:var(--radius);background:var(--surface);color:inherit;padding:18px;text-decoration:none;display:block}.card:hover{border-color:var(--rule-strong);box-shadow:var(--shadow)}.card h3{margin-block:0 6px;font-size:1.02rem}.card p{color:var(--muted);margin:0;font-size:.9rem}.table-scroll{margin-block:22px;overflow-x:auto}table{border-collapse:collapse;inline-size:100%;font-size:.94rem}th,td{text-align:start;border-block-end:1px solid var(--rule);vertical-align:top;padding:10px 14px}th{color:var(--muted);letter-spacing:.05em;text-transform:uppercase;font-size:.8rem;font-weight:600}.crumbs{color:var(--faint);padding-block:14px 0;font-size:.85rem}.crumbs ol{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.crumbs 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