/* ==============================================================
   高考志愿指南 — 样式
   ============================================================== */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --bg: #f0f4f8;
  --card: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

#app { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* Header */
header {
  background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
  color: white;
  padding: 28px 24px;
  border-radius: 0 0 var(--radius) var(--radius);
  margin-bottom: 0;
}
.header-inner h1 { font-size: 1.8rem; font-weight: 700; }
.subtitle { opacity: 0.85; font-size: 0.95rem; margin-top: 4px; }

/* Navigation Tabs */
#tabs {
  display: flex;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 16px 0;
  overflow: hidden;
}
.tab {
  flex: 1;
  padding: 14px 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 3px solid transparent;
}
.tab:hover { color: var(--primary); background: var(--primary-light); }
.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--primary-light);
}

/* Tab Content */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Card */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 24px;
  margin-bottom: 20px;
}

/* Filters */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 16px;
}
.filters select, .filters input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  background: white;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  min-width: 120px;
}
.filters select:focus, .filters input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }

.btn-primary {
  padding: 8px 20px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* Recommend filters */
.recommend-filters .filter-group, .rank-filters .filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.recommend-filters .filter-group label, .rank-filters .filter-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.rec-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: #f8fafc;
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 12px;
  border-left: 3px solid var(--primary);
}

/* Result info */
.result-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  min-height: 1.4em;
}

/* Table */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 12px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
thead th {
  background: #f8fafc;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
tbody td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}
tbody tr:hover { background: #f1f5f9; }
tbody tr.empty td { text-align: center; color: var(--text-secondary); padding: 40px; }
tbody .prob-chong { color: var(--danger); font-weight: 700; }
tbody .prob-wen { color: var(--warning); font-weight: 700; }
tbody .prob-bao { color: var(--success); font-weight: 700; }

/* Pagination */
.pagination {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  padding: 8px 0;
}
.pagination button {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: white;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
}
.pagination button:hover:not(:disabled) {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.pagination button:disabled {
  opacity: 0.4;
  cursor: default;
}
.pagination .page-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0 8px;
}

/* Rank result card */
.rank-result { margin-bottom: 16px; }
.rank-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  border: 2px solid var(--success);
  border-radius: var(--radius);
  padding: 24px;
}
.rank-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.rank-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--success);
}

/* Hidden */
.hidden { display: none !important; }

/* Status indicator */
#api-status { font-weight: 600; }
#api-status.status-ok { color: var(--success); }
#api-status.status-error { color: var(--danger); }
#api-status.status-checking { color: var(--warning); }

/* Loading spinner */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
footer {
  text-align: center;
  padding: 24px 0;
  color: var(--text-secondary);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}
footer .api-info { margin-top: 4px; }

/* Responsive */
@media (max-width: 640px) {
  .filters { flex-direction: column; }
  .filters select, .filters input { width: 100%; }
  #tabs { flex-wrap: wrap; }
  .tab { flex: 1 1 50%; font-size: 0.85rem; padding: 10px 8px; }
  header { padding: 20px 16px; }
  .header-inner h1 { font-size: 1.4rem; }
}