:root {
  --bg: #f3f5f8;
  --card: #ffffff;
  --text: #1a2332;
  --muted: #6b7280;
  --border: #e2e8f0;
  --primary: #0f4c81;
  --primary-dark: #0a3559;
  --success: #15803d;
  --danger: #b91c1c;
  --warn: #b45309;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  background: linear-gradient(160deg, #e8eef5 0%, #f7f5f1 45%, #eef2f7 100%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
.header {
  background: linear-gradient(120deg, #0f4c81, #1a6aad 55%, #2a7ab8);
  color: #fff;
  padding: 18px 20px;
  box-shadow: 0 2px 12px rgba(15, 76, 129, .25);
}
.header h1 { margin: 0; font-size: 1.25rem; font-weight: 700; letter-spacing: .02em; }
.header p { margin: 6px 0 0; opacity: .9; font-size: .9rem; }
.container { max-width: 1180px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.card h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.nav-tabs button {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  color: var(--text);
  font-size: .9rem;
}
.nav-tabs button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.tab-panel.hidden { display: none; }
.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: .9rem;
}
.btn-sm { padding: 4px 10px; font-size: .8rem; }
.btn-block { width: 100%; }
.btn-lg { padding: 12px 16px; font-size: 1rem; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}
.form-group { margin-bottom: 12px; }
.form-group label {
  display: block;
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: 4px;
}
input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 800px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
table.data-table th, table.data-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
  text-align: left;
  vertical-align: top;
}
table.data-table th { color: var(--muted); font-weight: 600; font-size: .8rem; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .75rem;
}
.badge-green { background: #dcfce7; color: #166534; }
.badge-blue { background: #dbeafe; color: #1e40af; }
.badge-gray { background: #f3f4f6; color: #4b5563; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warn { background: #ffedd5; color: #9a3412; }
.stat-card {
  background: linear-gradient(145deg, #fff, #f8fafc);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}
.stat-card .num { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.stat-card .label { color: var(--muted); font-size: .85rem; margin-top: 4px; }
.toast {
  position: fixed;
  top: 16px;
  right: 16px;
  background: #111827;
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 9999;
  max-width: 320px;
}
.toast.error { background: var(--danger); }
.toast.ok { background: var(--success); }
.login-wrap {
  max-width: 400px;
  margin: 48px auto;
}
.info-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: .9rem;
  line-height: 1.6;
}
.muted { color: var(--muted); font-size: .85rem; }
.assoc-detail-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 4px 0;
  color: var(--text);
  font-size: .92rem;
  line-height: 1.5;
}
.assoc-detail-box.muted { color: var(--muted); }
.assoc-head { margin-bottom: 10px; }
.assoc-block { margin-top: 10px; }
.assoc-list {
  margin: 6px 0 0;
  padding-left: 18px;
}
.assoc-list li { margin: 3px 0; }
.item-row {
  display: grid;
  grid-template-columns: 2fr 1fr 80px 90px 1fr 40px;
  gap: 6px;
  margin-bottom: 6px;
  align-items: center;
}
@media (max-width: 800px) {
  .item-row { grid-template-columns: 1fr; }
}
.print-page { background: #fff; color: #000; }
.print-page .sheet {
  max-width: 800px;
  margin: 24px auto;
  padding: 24px;
}
@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
}