*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f6f8;color:#1a1a1a}a{color:#2563eb;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:24px}.navbar{background:#111827;color:#fff;padding:12px 24px;display:flex;justify-content:space-between;align-items:center}.navbar a{color:#fff;margin-right:16px}.btn{background:#2563eb;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px}.btn:hover{background:#1d4ed8}.btn.secondary{background:#6b7280}.btn.danger{background:#dc2626}.card{background:#fff;border-radius:8px;padding:16px;margin-bottom:12px;box-shadow:0 1px 3px #0000000d}.input,select,textarea{width:100%;padding:8px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;margin-bottom:8px;font-family:inherit}.form{max-width:400px;margin:40px auto}.row{display:flex;gap:12px;flex-wrap:wrap}.col{flex:1;min-width:250px}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.badge.todo{background:#e5e7eb;color:#374151}.badge.progress{background:#fef3c7;color:#92400e}.badge.done{background:#d1fae5;color:#065f46}.badge.high{background:#fee2e2;color:#991b1b}.badge.medium{background:#fef3c7;color:#92400e}.badge.low{background:#dbeafe;color:#1e40af}.stat{background:#fff;padding:16px;border-radius:8px;text-align:center;box-shadow:0 1px 3px #0000000d}.stat .num{font-size:32px;font-weight:700;color:#2563eb}.error{color:#dc2626;font-size:14px;margin:8px 0}h1,h2,h3{margin-top:0}