:root {
  --bg: #f8fafc;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --dark: #1f2937;
  --success: #059669;
  --danger: #dc2626;
  --radius: 16px;
  --shadow: 0 6px 20px rgba(0,0,0,0.07);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

.header h1 { margin: 0 0 6px; font-size: 24px; }
.sub { margin: 0; color: var(--muted); }

.panel { background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin: 16px 0; }

.field { margin-bottom: 12px; }
.field label { display:block; font-weight: 600; margin-bottom: 6px; }
.field input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; }

.buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.btn { border: 0; border-radius: 12px; padding: 10px 14px; cursor: pointer; color: #fff; }
.btn.primary { background: var(--primary); }
.btn.dark { background: var(--dark); }
.btn.success { background: var(--success); }
.btn.danger { background: var(--danger); }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.toolbar { display:flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.input { flex:1; min-width: 220px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; }
.check { display: flex; align-items: center; gap: 6px; color: var(--muted); }
.muted { color: var(--muted); margin-left: auto; }

.list { background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.empty { padding: 32px; text-align: center; color: var(--muted); }

.row { display: grid; grid-template-columns: 1fr 160px 1fr 100px; gap: 12px; padding: 14px; border-top: 1px solid var(--border); }
.row:first-child { border-top: 0; }
.col .num { font-size: 12px; color: var(--muted); }
.col .title { font-weight: 600; margin-top: 4px; }
.col-select select { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; }
.col-details textarea { width: 100%; min-height: 44px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; resize: vertical; }
.link { background: transparent; border: 0; padding: 0; cursor: pointer; }
.link.danger { color: var(--danger); }
.warn { color: var(--danger); font-size: 12px; margin-top: 6px; }

@media (max-width: 900px) {
  .row { grid-template-columns: 1fr; }
}