:root{--bg: #f4f7fb;--surface: #ffffff;--surface-subtle: #ecf0f6;--border: #d8dde6;--border-subtle: #e6eaf1;--text: #0f1115;--text-muted: #5a6275;--text-faint: #98a0b3;--accent: #1f4eb6;--accent-soft: #e3ecff;--success: #2e7d4f;--success-soft: #e1f5e9;--danger: #c63838;--danger-soft: #fae3e3;--warning: #b76a00;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 2px rgba(15, 17, 21, .06);--shadow-md: 0 6px 24px rgba(15, 17, 21, .08);--shadow-lg: 0 16px 48px rgba(15, 17, 21, .12);--flash-wrong-duration: 1.6s;--flash-correct-duration: 1.2s}:root[data-theme=dark]{--bg: #0f1115;--surface: #1a1d24;--surface-subtle: #232732;--border: #2c313d;--border-subtle: #232732;--text: #f1f3f8;--text-muted: #a3a9b8;--text-faint: #6c7384;--accent: #6d8fe8;--accent-soft: #1f2a44;--success-soft: #14352a;--danger-soft: #3a1f1f}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0f1115;--surface: #1a1d24;--surface-subtle: #232732;--border: #2c313d;--border-subtle: #232732;--text: #f1f3f8;--text-muted: #a3a9b8;--text-faint: #6c7384;--accent: #6d8fe8;--accent-soft: #1f2a44;--success-soft: #14352a;--danger-soft: #3a1f1f}}.grid{display:grid;grid-template-columns:minmax(0,1.1fr) repeat(3,minmax(0,1fr));gap:8px}.grid .corner{background:transparent}.grid .header-row,.grid .header-col{background:var(--surface-subtle);border-radius:var(--radius-md);padding:10px 12px;font-size:13px;font-weight:500;text-align:center;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;min-height:60px}.grid .header-col{padding:14px 8px}.grid .cell{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-md);min-height:80px;font-size:14px;font-weight:500;display:flex;align-items:center;justify-content:center;text-align:center;padding:8px;transition:border-color .15s,background-color .15s;cursor:pointer}.grid .cell:hover{border-color:var(--text-muted)}.grid .cell.selected{border-color:var(--accent);background:var(--accent-soft)}.grid .cell.correct{border-color:var(--success);background:var(--success-soft);color:var(--success);cursor:default}.grid .cell.wrong{animation:flash-wrong var(--flash-wrong-duration) ease}@keyframes flash-wrong{0%,to{border-color:var(--border);background:var(--surface)}20%,60%{border-color:var(--danger);background:var(--danger-soft)}}.fact-line-icon{height:20px;width:20px;vertical-align:middle;margin:0 2px}.fact-info-badge{position:absolute;top:6px;right:6px;width:18px;height:18px;border-radius:50%;background:var(--border);color:var(--text-muted);font-size:12px;display:flex;align-items:center;justify-content:center}.modal-overlay{position:fixed;inset:0;background:#0f111573;display:flex;align-items:center;justify-content:center;padding:16px;z-index:100;animation:overlay-fade .15s ease}.modal-overlay[hidden]{display:none}.modal{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:20px 24px;max-width:520px;width:100%;max-height:calc(100vh - 32px);overflow-y:auto}.modal-close{position:absolute;top:12px;right:12px;background:none;border:none;font-size:22px;color:var(--text-muted);width:32px;height:32px;border-radius:50%}.modal-close:hover{background:var(--surface-subtle)}@keyframes overlay-fade{0%{opacity:0}to{opacity:1}}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Manrope,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit}button{font-family:inherit;cursor:pointer}#app{max-width:680px;margin:0 auto;padding:20px 20px 80px;min-height:100vh;display:flex;flex-direction:column;gap:28px}.site-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border-subtle);gap:12px}.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:inherit}.brand-logo{height:22px;width:auto;max-width:40px}.brand-text{font-weight:800;font-size:22px;letter-spacing:-.02em}.header-actions{display:flex;align-items:center;gap:8px}.main{display:flex;flex-direction:column;gap:16px}.mode-row{margin:0}.status-row{display:flex;gap:12px;flex-wrap:wrap}.brand{font-size:28px;font-weight:700;margin:0}.nav{display:flex;gap:16px;font-size:14px}.mode-heading{margin:0;font-size:clamp(28px,6vw,40px);line-height:1.1;display:flex;flex-direction:column;letter-spacing:-.02em}.mode-heading-label{font-weight:700}.mode-heading-date{font-weight:700;color:var(--text-muted)}.opening{background:var(--surface-subtle);padding:14px 16px;border-radius:12px;font-size:13px;color:var(--text-muted);margin:16px 0 0;line-height:1.5}.dev-stub{border:1px dashed var(--border);padding:16px;border-radius:12px;color:var(--text-muted);font-size:14px}.ad-slot{min-height:90px;border:1px dashed var(--border-subtle);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-faint);font-size:12px;background:var(--surface-subtle)}.ad-slot:before{content:"место для рекламы"}.ad-slot:not(:empty):before{content:""}.site-footer{margin-top:auto;padding-top:24px;border-top:1px solid var(--border-subtle);font-size:13px;color:var(--text-muted);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.site-footer p{margin:0}.site-footer .footer-links{display:inline-flex;gap:14px}.site-footer .link-button{background:none;border:none;padding:0;color:inherit;cursor:pointer;font:inherit;text-decoration:underline}.site-footer .link-button:hover{color:var(--text)}.error-fallback{max-width:480px;margin:80px auto;text-align:center;font-size:16px;color:var(--text-muted)}@media(max-width:720px){#app{padding:14px 14px 80px;gap:18px}.site-header{flex-wrap:wrap;gap:8px}.header-actions{width:100%;justify-content:flex-start;flex-wrap:wrap}.header-actions md-streak{order:-1}}@media(max-width:420px){.brand-text{font-size:18px}.brand-logo{height:22px}}