:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-main: #0b0f19;
  --bg-card: #111827;
  --bg-card-hover: #1f2937;
  --border: #374151;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-red: #ef4444;
  --accent-orange: #f97316;
  --accent-amber: #f59e0b;
  --accent-yellow: #eab308;
  --accent-green: #10b981;
  --accent-teal: #14b8a6;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --code-bg: #030712;
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navbar */
.navbar {
  background-color: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.flag-icon {
  font-size: 2.2rem;
}

.brand h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #ffffff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #1f2937;
  color: #d1d5db;
  border-color: var(--border);
}
.btn-secondary:hover {
  background-color: #374151;
  color: white;
}

.btn-outline {
  background: transparent;
  color: #60a5fa;
  border-color: #2563eb;
}
.btn-outline:hover {
  background: rgba(37, 99, 235, 0.15);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin: 1.75rem 0;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.2s, border-color 0.2s;
}
.stat-card:hover {
  transform: translateY(-2px);
  border-color: #4b5563;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.stat-icon.red { background: rgba(239, 68, 68, 0.15); }
.stat-icon.orange { background: rgba(249, 115, 22, 0.15); }
.stat-icon.amber { background: rgba(245, 158, 11, 0.15); }
.stat-icon.yellow { background: rgba(234, 179, 8, 0.15); }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); }
.stat-icon.teal { background: rgba(20, 184, 166, 0.15); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.15); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); }

.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

/* Search Card */
.search-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.search-card h2 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}
.search-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.search-box {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.search-box input {
  flex: 1;
  min-width: 250px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
}
.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.search-box select {
  background: #1f2937;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  color: #fff;
  outline: none;
  font-size: 0.875rem;
}

.search-results {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  max-height: 380px;
  overflow-y: auto;
}

.search-group-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #93c5fd;
  text-transform: uppercase;
  margin: 0.75rem 0 0.4rem;
}

.search-item {
  background: #1f2937;
  border: 1px solid #374151;
  border-radius: 6px;
  padding: 0.6rem 0.85rem;
  margin-bottom: 0.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all 0.15s ease;
}
.search-item:hover {
  background: #374151;
  border-color: var(--primary);
}

.search-item-info {
  font-size: 0.875rem;
}
.search-item-info .item-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  background: #111827;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: #60a5fa;
  margin-right: 0.5rem;
}
.postal-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  background: rgba(234, 179, 8, 0.2);
  color: #fde047;
  border: 1px solid rgba(234, 179, 8, 0.4);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  margin-left: 0.5rem;
}
.search-item-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Explorer Layout */
.explorer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 960px) {
  .explorer-grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.panel-header h2 {
  font-size: 1.15rem;
}

.badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.desa-info-card {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid #475569;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin: 1rem 0;
}
.desa-info-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}
.postal-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  background: #f59e0b;
  color: #111827;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #d1d5db;
}

.form-control {
  width: 100%;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-control:focus {
  border-color: var(--primary);
}
.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Sub-levels Tabs */
.sub-levels {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.sub-level-header h3 {
  font-size: 0.95rem;
  color: #93c5fd;
  margin-bottom: 0.75rem;
}

.tab-buttons {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab-btn {
  flex: 1;
  background: #1f2937;
  border: 1px solid var(--border);
  color: #9ca3af;
  padding: 0.5rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

.tab-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.tab-toolbar h4 {
  font-size: 0.85rem;
  color: #d1d5db;
}

.item-list {
  max-height: 220px;
  overflow-y: auto;
}

.level-row {
  background: #1f2937;
  border: 1px solid #374151;
  border-radius: 6px;
  padding: 0.55rem 0.75rem;
  margin-bottom: 0.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.825rem;
}

.level-row .name {
  font-weight: 600;
}
.level-row .sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* API Panel */
.api-header-actions {
  display: flex;
  gap: 0.5rem;
}

.endpoint-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  margin-bottom: 1rem;
}

.method-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  background: #10b981;
  color: #030712;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
}
.method-badge.get { background: #10b981; }
.method-badge.post { background: #3b82f6; color: white; }
.method-badge.put { background: #f59e0b; }
.method-badge.delete { background: #ef4444; color: white; }

.endpoint-bar input {
  flex: 1;
  background: transparent;
  border: none;
  color: #93c5fd;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  outline: none;
}

.json-container {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  height: 480px;
  overflow: auto;
}

.json-container pre {
  margin: 0;
}
.json-container code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.825rem;
  color: #34d399;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Reference Table */
.endpoints-reference {
  margin-bottom: 2.5rem;
}
.endpoints-reference h2 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.table-responsive {
  overflow-x: auto;
}

.api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.api-table th, .api-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.api-table th {
  background: #1f2937;
  color: #93c5fd;
  font-weight: 600;
}

.api-table tr:hover {
  background: #1f2937;
}

.api-table code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: #93c5fd;
  background: var(--code-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

.api-table a {
  color: #60a5fa;
  text-decoration: none;
}
.api-table a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  margin-top: auto;
  background: #111827;
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-links {
  margin-top: 0.35rem;
}
.footer-links a {
  color: #60a5fa;
  text-decoration: none;
}
.footer-links a:hover {
  text-decoration: underline;
}

.hidden {
  display: none !important;
}