:root{--bg: var(--tg-theme-bg-color, #ffffff);--bg2: var(--tg-theme-secondary-bg-color, #f1f2f6);--card: var(--tg-theme-section-bg-color, var(--tg-theme-bg-color, #ffffff));--text: var(--tg-theme-text-color, #1c1c1e);--hint: var(--tg-theme-hint-color, #8e8e93);--link: var(--tg-theme-link-color, #2a7ae2);--accent: var(--tg-theme-button-color, #2a7ae2);--accent-text: var(--tg-theme-button-text-color, #ffffff);--danger: var(--tg-theme-destructive-text-color, #e53935);--ok: #2e9d57;--wait: #e19b1a;--border: rgba(142, 142, 147, .3);--accent-soft: rgba(42, 122, 226, .14);--accent-faint: rgba(42, 122, 226, .08);--danger-soft: rgba(229, 57, 53, .12);--hint-soft: rgba(142, 142, 147, .18);--ok-soft: rgba(46, 157, 87, .15);--wait-soft: rgba(225, 155, 26, .18);--radius: 12px;color-scheme:light dark}*{box-sizing:border-box}body{margin:0;background:var(--bg2);color:var(--text);font:15px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}a{color:var(--link);text-decoration:none}.page{max-width:820px;margin:0 auto;padding:12px 12px 48px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin:4px 2px 12px}h1{font-size:22px;margin:0 0 2px;word-break:break-word}h2{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--hint);margin:0;font-weight:600}.section{margin:16px 0}.section-header{display:flex;justify-content:space-between;align-items:center;margin:0 4px 8px;gap:8px}.card{display:block;background:var(--card);color:var(--text);border-radius:var(--radius);padding:12px 14px;margin-bottom:8px}.card-link{cursor:pointer;transition:transform .08s ease}.card-link:active{transform:scale(.99)}.card-title{font-weight:600}.hint{color:var(--hint);font-size:13px}.deadline{color:var(--wait)}.muted{color:var(--hint)}.ok{color:var(--ok)}.bad{color:var(--danger)}.warn{color:var(--wait);margin-top:6px}.error{background:var(--danger-soft);color:var(--danger);border-radius:10px;padding:8px 12px;margin:8px 0}.empty{color:var(--hint);text-align:center;padding:18px 8px}.loader{color:var(--hint);text-align:center;padding:32px}.row{display:flex;align-items:center;gap:8px}.row.wrap{flex-wrap:wrap}.row.between{justify-content:space-between}.right{text-align:right}.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px 12px}.badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.badge{display:inline-block;border-radius:999px;padding:1px 9px;font-size:12px;font-weight:600;margin-left:4px;white-space:nowrap}.badges .badge{margin-left:0}.badge-accent{background:var(--accent-soft);color:var(--accent)}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-bad{background:var(--danger-soft);color:var(--danger)}.badge-wait{background:var(--wait-soft);color:var(--wait)}.badge-muted{background:var(--hint-soft);color:var(--hint)}.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;background:var(--accent);color:var(--accent-text);font:inherit;font-weight:600;padding:10px 16px;cursor:pointer;white-space:nowrap}.button:disabled{opacity:.5;cursor:default}.button.secondary{background:var(--accent-soft);color:var(--accent)}.button.success{background:var(--ok);color:#fff}.button.danger{background:var(--danger-soft);color:var(--danger)}.button.small{padding:6px 12px;font-size:14px}.button.upload{position:relative}.link{background:none;border:none;color:var(--link);font:inherit;cursor:pointer;padding:8px 0}.back-link{padding:0 2px 4px}.link.danger{color:var(--danger);font-size:13px}.form{display:flex;flex-direction:column;gap:10px}.field{display:flex;flex-direction:column;gap:4px}.field-label{font-size:13px;color:var(--hint)}input,textarea,select{width:100%;font:inherit;color:var(--text);background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:9px 11px;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--accent)}input.narrow{width:80px}.row input{flex:1}.row input.narrow,.row input[type=checkbox]{flex:none}.check{display:inline-flex;align-items:center;gap:6px;font-size:14px}.tabs{display:flex;gap:4px;background:var(--card);padding:4px;border-radius:var(--radius);margin-bottom:8px;overflow-x:auto}.tab{flex:1;border:none;background:none;color:var(--hint);font:inherit;font-weight:600;padding:8px 10px;border-radius:9px;cursor:pointer;white-space:nowrap}.tab.active{background:var(--accent-soft);color:var(--accent)}.table-wrap{overflow-x:auto;background:var(--card);border-radius:var(--radius)}.table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);font-size:14px}.table th,.table td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.table th{font-weight:600;font-size:13px;min-width:90px}.table .sticky{position:sticky;left:0;background:var(--card);min-width:140px}.table.grades input{padding:6px 8px}pre,.mono,.code-editor{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}pre{background:var(--bg2);border-radius:8px;padding:8px 10px;margin:4px 0;white-space:pre-wrap;word-break:break-word}pre.code{background:var(--card);max-height:60vh;overflow:auto}pre.log{color:var(--danger);max-height:240px;overflow:auto}.code-editor{min-height:240px;tab-size:4;white-space:pre;overflow:auto}.pre{white-space:pre-wrap;word-break:break-word}.break{word-break:break-all;margin-bottom:8px}.description{margin-top:10px}.sample pre{background:var(--card)}ul.options,ul.errors,ul.facts{margin:6px 0 0;padding-left:18px}ul.options{list-style:none;padding-left:0}.options .correct{color:var(--ok);font-weight:600}ul.errors{font-size:13px;max-height:260px;overflow:auto}.timer{font-weight:700;font-variant-numeric:tabular-nums;background:var(--card);padding:6px 10px;border-radius:10px}.timer.danger{color:var(--danger)}.palette{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.palette button{width:34px;height:34px;border-radius:8px;border:1px solid var(--border);background:var(--card);color:var(--text);font:inherit;font-size:13px;cursor:pointer}.palette button.answered{background:var(--accent-soft);border-color:transparent}.palette button.current{outline:2px solid var(--accent)}.question-text{font-size:16px;margin-bottom:6px}.choices{display:flex;flex-direction:column;gap:8px;margin-top:10px}.choice{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:10px;border:1px solid var(--border);cursor:pointer}.choice input{margin-top:3px}.choice.checked{border-color:var(--accent);background:var(--accent-faint)}.answer-input{margin-top:10px}.result{text-align:center;padding:24px}.result-score{font-size:44px;font-weight:800}