:root{color-scheme:light dark;--bg:#fafafa;--card:#ffffff;--fg:#191919;--muted:#6b7280;--border:#e5e7eb;--accent:#2563eb;--err-bg:#fef2f2;--err-fg:#b91c1c;--err-border:#fecaca;--ok-bg:#f0fdf4;--ok-fg:#15803d;--ok-border:#bbf7d0;--warn-bg:#fffbeb;--warn-fg:#b45309;--warn-border:#fde68a}@media (prefers-color-scheme:dark){:root{--bg:#0f0f10;--card:#161617;--fg:#ededed;--muted:#9ca3af;--border:#27272a;--accent:#60a5fa;--err-bg:#2a0e0e;--err-fg:#fca5a5;--err-border:#7f1d1d;--ok-bg:#0c2417;--ok-fg:#86efac;--ok-border:#166534;--warn-bg:#2a1f06;--warn-fg:#fcd34d;--warn-border:#854d0e}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--fg);font:15px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:640px;margin:0 auto;padding:48px 20px}.top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:20px}h1{font-size:20px;margin:0}.card{border:1px solid var(--border);border-radius:14px;padding:28px;background:var(--card)}.ref{font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}.passage{font-family:Georgia,Times New Roman,serif;font-size:24px;line-height:1.7;text-align:start;white-space:pre-wrap;overflow-wrap:break-word;max-height:46vh;overflow:auto;margin:0 0 24px}.passage[dir=rtl]{font-size:26px}.muted{color:var(--muted)}.err,.muted{font-size:13px}.err{color:var(--err-fg);background:var(--err-bg);border:1px solid var(--err-border);padding:10px 12px;border-radius:8px;margin-bottom:16px}.controls{display:flex;gap:8px;flex-wrap:wrap}button{font:inherit;cursor:pointer;border:1px solid var(--border);border-radius:9px;padding:10px 14px;background:transparent;color:var(--fg)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:default}button.reset{font-size:12px;padding:6px 10px;color:var(--muted);white-space:nowrap}button.reset:hover:not(:disabled){color:var(--fg)}.rating{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-width:84px}.rating small{color:var(--muted);font-size:11px}.clock{display:flex;justify-content:space-between;align-items:center;gap:10px 16px;flex-wrap:wrap;margin-bottom:16px;padding:8px 12px;border:1px dashed var(--border);border-radius:9px}.clock-btns{display:flex;gap:6px}.clock-btns button{font-size:12px;padding:6px 10px}textarea.answer{display:block;width:100%;font:inherit;font-family:Georgia,Times New Roman,serif;font-size:18px;line-height:1.6;padding:12px 14px;border:1px solid var(--border);border-radius:9px;background:transparent;color:var(--fg);resize:vertical}.verdict{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;margin-bottom:16px;font-size:13px}.verdict strong{text-transform:capitalize}.verdict-correct{background:var(--ok-bg);color:var(--ok-fg);border-color:var(--ok-border)}.verdict-partial{background:var(--warn-bg);color:var(--warn-fg);border-color:var(--warn-border)}.verdict-incorrect{background:var(--err-bg);color:var(--err-fg);border-color:var(--err-border)}form.auth{display:flex;gap:8px;flex-wrap:wrap}input[type=email]{font:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:9px;background:transparent;color:var(--fg);flex:1 1;min-width:200px}