:root{--brand: #2563eb;--brand-dark: #1d4ed8;--brand-soft: #eff4ff;--brand-ring: rgba(37, 99, 235, .25);--bg: #f4f6fb;--bg-grad-1: #eef3ff;--bg-grad-2: #f7f9fc;--surface: #ffffff;--surface-2: #f8fafc;--border: #e5e9f0;--border-strong: #d6dce6;--text: #1e293b;--text-muted: #64748b;--text-faint: #94a3b8;--success: #059669;--success-soft: #ecfdf5;--danger: #dc2626;--danger-soft: #fef2f2;--warning: #d97706;--warning-soft: #fffbeb;--radius: 14px;--radius-sm: 9px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow: 0 4px 16px rgba(15, 23, 42, .07);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .1);--ease: .18s cubic-bezier(.4, 0, .2, 1);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(1200px 600px at 100% -10%,var(--bg-grad-1),transparent 60%),radial-gradient(1000px 500px at -10% 0%,var(--bg-grad-2),transparent 55%),var(--bg);color:var(--text);font-size:15px;line-height:1.5}.app{max-width:1140px;margin:0 auto;padding:20px 20px 64px}.app-header{display:flex;align-items:center;gap:14px;margin-bottom:6px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),#4f7cff);color:#fff;font-weight:800;font-size:20px;letter-spacing:-.5px;box-shadow:var(--shadow)}.app-title{display:flex;flex-direction:column}.app h1{font-size:22px;font-weight:700;margin:0;letter-spacing:-.4px}.app-header .muted{margin:2px 0 0}.tabs{display:flex;gap:8px;margin:18px 0 20px;padding:6px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-pill);box-shadow:var(--shadow-sm);overflow-x:auto;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tab-group{margin:0 0 10px}.tab-group:first-of-type{margin-top:18px}.tab-group-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#6b7280;margin:0 0 4px 6px}.tab-group .tabs{margin:0}.tab{padding:9px 16px;border-radius:var(--radius-pill);cursor:pointer;font-size:14px;font-weight:500;color:var(--text-muted);white-space:nowrap;transition:background var(--ease),color var(--ease);-webkit-user-select:none;user-select:none}.tab:hover{background:var(--surface-2);color:var(--text)}.tab.active{background:var(--brand);color:#fff;box-shadow:0 2px 8px var(--brand-ring)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;margin-bottom:18px;box-shadow:var(--shadow-sm);transition:box-shadow var(--ease)}.card:hover{box-shadow:var(--shadow)}.card h1{font-size:16px;font-weight:700;letter-spacing:-.2px;margin:0 0 14px;color:var(--text)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border)}thead th{color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px;background:var(--surface-2);border-bottom:1px solid var(--border-strong)}thead th:first-child{border-top-left-radius:var(--radius-sm)}thead th:last-child{border-top-right-radius:var(--radius-sm)}tbody tr{transition:background var(--ease)}tbody tr:hover{background:var(--brand-soft)}tbody tr:last-child td{border-bottom:none}tfoot th{font-weight:700;color:var(--text);border-top:2px solid var(--border-strong);border-bottom:none;background:var(--surface-2)}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}tbody tr[onclick],tbody tr.clickable{cursor:pointer}.card>table{display:table}@media (max-width: 640px){.card{overflow-x:auto}}label{font-size:12.5px;font-weight:600;color:var(--text-muted);display:block;margin-bottom:5px}input,select,button{font-size:14px;font-family:inherit;padding:9px 12px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);transition:border-color var(--ease),box-shadow var(--ease)}input::placeholder{color:var(--text-faint)}input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-ring)}select{cursor:pointer}button{cursor:pointer;font-weight:600;color:var(--text)}button:hover:not(:disabled){border-color:var(--border-strong);background:var(--surface-2)}button:active:not(:disabled){transform:translateY(1px)}button.primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 1px 3px var(--brand-ring)}button.primary:hover:not(:disabled){background:var(--brand-dark);border-color:var(--brand-dark)}button:disabled{opacity:.5;cursor:not-allowed}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:10px}.row>div{min-width:0}.err{color:var(--danger);font-size:13px;background:var(--danger-soft);border:1px solid #fecaca;padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:10px}.ok{color:var(--success);font-size:13px;font-weight:600;background:var(--success-soft);border:1px solid #a7f3d0;padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:10px;display:inline-block}th .ok,th .err,td .ok,td .err{background:none;border:none;padding:0;margin:0}.muted{color:var(--text-muted);font-size:13px}@media (max-width: 760px){.app{padding:16px 14px 48px}.app h1{font-size:19px}.brand-mark{width:40px;height:40px;font-size:18px}.card{padding:16px}.row{gap:10px}.row>div{flex:1 1 100%}.row>div input,.row>div select{width:100%}th,td{padding:9px 10px}}@media (max-width: 460px){.tab{padding:8px 13px;font-size:13px}}