/* ── Reset & Base ── */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #4F46E5;
  --primary-light: #6366F1;
  --primary-dark: #3730A3;
  --bg: #F1F5F9;
  --sidebar-bg: #1E293B;
  --sidebar-text: #94A3B8;
  --sidebar-active: #E2E8F0;
  --card-bg: #FFFFFF;
  --text: #1E293B;
  --text-secondary: #64748B;
  --border: #E2E8F0;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s;
}
.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-header h1 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-header .subtitle {
  font-size: 12px;
  color: var(--sidebar-text);
  margin-top: 4px;
}
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}
.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: #CBD5E1;
}
.nav-item.active {
  color: var(--sidebar-active);
  background: rgba(255,255,255,0.08);
  border-left-color: var(--primary-light);
}
.nav-item .icon { font-size: 18px; width: 24px; text-align: center; }
.nav-item .badge {
  margin-left: auto;
  background: var(--error);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 600;
}
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
}
.sync-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}
.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}
.sync-dot.running {
  background: var(--warning);
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Main Content ── */
.main {
  flex: 1;
  margin-left: 240px;
  min-height: 100vh;
}
.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar h2 { font-size: 20px; font-weight: 600; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.content { padding: 24px 28px; }

/* ── Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}
.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.error { border-left-color: var(--error); }
.stat-card.info { border-left-color: var(--info); }
.stat-card .label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}
.stat-card .value {
  font-size: 28px;
  font-weight: 700;
}

/* ── Panel / Section ── */
.panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  overflow: hidden;
}
.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.panel-header h3 { font-size: 15px; font-weight: 600; }
.panel-body { padding: 0; }
.panel-body.padded { padding: 20px; }

/* ── Table ── */
.table-wrapper { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  background: #F8FAFC;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr:hover { background: #F8FAFC; }
tbody tr:last-child td { border-bottom: none; }

/* ── Status Badge ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-synced { background: #D1FAE5; color: #065F46; }
.badge-updated { background: #DBEAFE; color: #1E40AF; }
.badge-error { background: #FEE2E2; color: #991B1B; }
.badge-unmapped { background: #FEF3C7; color: #92400E; }
.badge-pending { background: #F1F5F9; color: #475569; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { background: #94A3B8; cursor: not-allowed; }
.btn-secondary { background: #F1F5F9; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #E2E8F0; }
.btn-danger { background: var(--error); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Input / Form ── */
.input-group { margin-bottom: 16px; }
.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  transition: border-color 0.15s;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}
.search-bar {
  position: relative;
  max-width: 360px;
}
.search-bar input {
  padding-left: 36px;
}
.search-bar .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 14px;
}
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filter-bar select { width: auto; min-width: 160px; }

/* ── Logs ── */
.log-container {
  background: #0F172A;
  color: #E2E8F0;
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.7;
  padding: 16px;
  max-height: 500px;
  overflow-y: auto;
  border-radius: 0 0 var(--radius) var(--radius);
}
.log-entry { padding: 1px 0; }
.log-time { color: #64748B; }
.log-level-INFO { color: #38BDF8; }
.log-level-WARN { color: #FBBF24; }
.log-level-ERROR { color: #F87171; }
.log-level-DEBUG { color: #A78BFA; }
.log-tag { color: #34D399; }

/* ── Pagination ── */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}
.pagination-buttons { display: flex; gap: 6px; }

/* ── Sync History ── */
.history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.history-item:last-child { border-bottom: none; }
.history-time { color: var(--text-secondary); min-width: 160px; font-size: 12px; }
.history-stats { display: flex; gap: 16px; flex: 1; }
.history-stat {
  display: flex;
  align-items: center;
  gap: 4px;
}
.history-stat .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* ── Settings Grid ── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.settings-section h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── Page sections (shown/hidden) ── */
.page { display: none; }
.page.active { display: block; }

/* ── Toast ── */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--error); }
.toast-info { background: var(--info); }
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { flex-direction: column; align-items: stretch; }
}