:root{--bg: #f5f6f8;--card: #ffffff;--text: #1a1a1a;--muted: #6b7280;--brand: #0a7d3c;--brand-dark: #075c2c;--border: #e5e7eb;--danger: #c0392b;--ok: #0a7d3c}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:720px;margin:0 auto;padding-bottom:32px}.center{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:24px;text-align:center}.error{color:var(--danger)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--brand);color:#fff}.brand{font-weight:700;font-size:16px}.sub{font-size:12px;opacity:.85}.lang{background:#fff3;color:#fff;border:none;padding:6px 10px;border-radius:8px;font-size:13px}.tabs{display:flex;gap:4px;padding:8px 12px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.tabs a{flex:1;text-align:center;padding:8px;text-decoration:none;color:var(--muted);border-radius:8px;font-size:14px}.tabs a.active{background:var(--brand);color:#fff}.content{padding:12px 16px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;margin-bottom:12px}.card h3{margin:0 0 6px;font-size:16px}.row{display:flex;justify-content:space-between;align-items:center;gap:8px}.muted{color:var(--muted);font-size:13px}.badge{font-size:12px;padding:3px 8px;border-radius:999px}.badge.assigned{background:#eef2ff;color:#3730a3}.badge.in_progress{background:#fef3c7;color:#92400e}.badge.completed{background:#dcfce7;color:#166534}.badge.overdue{background:#fee2e2;color:#991b1b}.progress{height:8px;background:var(--border);border-radius:999px;overflow:hidden;margin-top:8px}.progress>span{display:block;height:100%;background:var(--brand)}.btn{display:inline-block;background:var(--brand);color:#fff;border:none;padding:11px 16px;border-radius:10px;font-size:15px;text-decoration:none;text-align:center;cursor:pointer;width:100%}.btn:disabled{background:#9ca3af}.btn.secondary{background:#eef1f4;color:var(--text)}.btn.small{width:auto;padding:8px 12px;font-size:13px}video{width:100%;border-radius:12px;background:#000}.option{display:block;padding:12px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--card);cursor:pointer}.option.selected{border-color:var(--brand);background:#f0fdf4}.option input{margin-right:10px}.link{color:var(--brand);text-decoration:none;font-size:14px}.result-ok{color:var(--ok);font-weight:700}.result-fail{color:var(--danger);font-weight:700}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}.subtabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}.subtabs button{flex:1;min-width:80px;padding:8px;border:1px solid var(--border);background:var(--card);border-radius:8px;font-size:13px;color:var(--muted);cursor:pointer}.subtabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}label.field{display:block;margin-bottom:10px;font-size:13px;color:var(--muted)}label.field>span{display:block;margin-bottom:4px}input[type=text],input[type=number],input[type=date],select,textarea{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff;color:var(--text)}textarea{min-height:60px;resize:vertical}.check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);margin-bottom:10px}.check input{width:auto}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.qcard{border:1px dashed var(--border);border-radius:10px;padding:10px;margin-bottom:10px}.hint{font-size:12px;color:var(--muted);margin:4px 0 12px}.pill{display:inline-block;font-size:11px;padding:2px 7px;border-radius:999px;background:#eef2ff;color:#3730a3;margin-left:6px}.ok-msg{color:var(--ok);font-size:13px;margin-top:8px}.err-msg{color:var(--danger);font-size:13px;margin-top:8px;word-break:break-word}