:root {
  --bg: #090d16;
  --sidebar: #0f1626;
  --surface: #141c2e;
  --surface-card: #1b253c;
  --surface-hover: #222f4c;
  --surface-inset: rgba(9, 13, 22, 0.55);
  --border: #23304e;
  --border-light: #2e3e64;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.28);
  --accent: #8b5cf6;
  --accent-badge-bg: rgba(139, 92, 246, 0.22);
  --accent-badge-text: #c4b5fd;
  --route-pill-bg: rgba(6, 182, 212, 0.14);
  --route-pill-text: #22d3ee;
  --table-pill-bg: rgba(16, 185, 129, 0.14);
  --table-pill-text: #34d399;
  --success: #10b981;
  --success-light: #34d399;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --header-bg: rgba(15, 22, 38, 0.92);
  --table-header-bg: #1b253c;
  --code-bg: #080c14;
  --font: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
}

body.light-theme {
  --bg: #f8fafc;
  --sidebar: #ffffff;
  --surface: #ffffff;
  --surface-card: #f1f5f9;
  --surface-hover: #e2e8f0;
  --surface-inset: #ffffff;
  --border: #e2e8f0;
  --border-light: #cbd5e1;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-glow: rgba(79, 70, 229, 0.2);
  --accent: #7c3aed;
  --accent-badge-bg: rgba(124, 58, 237, 0.14);
  --accent-badge-text: #6d28d9;
  --route-pill-bg: rgba(8, 145, 178, 0.12);
  --route-pill-text: #0e7490;
  --table-pill-bg: rgba(5, 150, 105, 0.12);
  --table-pill-text: #047857;
  --success: #059669;
  --success-light: #059669;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #d97706;
  --warning-bg: rgba(217, 119, 6, 0.12);
  --danger: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.12);
  --text: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --header-bg: rgba(255, 255, 255, 0.95);
  --table-header-bg: #f8fafc;
  --code-bg: #f1f5f9;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
}

/* App Shell */
.app-shell {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Sidebar */
aside.sidebar {
  width: 260px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 40;
  position: sticky;
  top: 0;
  height: 100vh;
  transition: transform 0.25s ease;
}

.sidebar-header {
  padding: 15px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-badge-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #4f46e5 0%, #a855f7 100%);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 14px var(--primary-glow);
  flex-shrink: 0;
}

.brand-titles h2 {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.25;
}

.brand-titles span {
  font-size: 10.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
}

.nav-sections {
  padding: 10px 10px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-light) transparent;
}

.nav-sections::-webkit-scrollbar {
  width: 4px;
}

.nav-sections::-webkit-scrollbar-track {
  background: transparent;
}

.nav-sections::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 999px;
}

.nav-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 10px 4px 10px;
}

.nav-label:first-child {
  padding-top: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 11px;
  border-radius: 9px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  user-select: none;
  line-height: 1.3;
}

.nav-item:hover {
  background: var(--surface-card);
  color: var(--text);
}

.nav-item.active {
  background: var(--surface-card);
  color: #fff;
  border-color: var(--border-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body.light-theme .nav-item.active {
  color: var(--primary);
  background: #ede9fe;
  border-color: #c4b5fd;
  box-shadow: 0 1px 4px rgba(79, 70, 229, 0.12);
}

.nav-item .icon {
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-item .badge {
  margin-left: auto;
  background: rgba(99, 102, 241, 0.16);
  color: var(--primary);
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-item .badge.badge-accent {
  background: var(--accent-badge-bg);
  color: var(--accent-badge-text);
}

.nav-item .badge.badge-success {
  background: var(--success-bg);
  color: var(--success-light);
}

.nav-item .badge.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.nav-item .badge.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.sidebar-sync-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 11.5px;
}

.sidebar-sync-bar .sync-meta {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
}

.sidebar-sync-bar button.btn-sync {
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.16);
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.35);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.sidebar-sync-bar button.btn-sync:hover {
  background: var(--primary);
  color: #fff;
}

.sidebar-sync-bar button.btn-sync:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: rgba(11, 16, 28, 0.4);
}

body.light-theme .sidebar-footer {
  background: var(--surface-card);
}

.env-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.env-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--success-light);
}

.dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: livePulse 2s infinite;
}

@keyframes livePulse {
  0% { opacity: 1; }
  50% { opacity: 0.3; }
  100% { opacity: 1; }
}

/* Main Wrapper */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  min-width: 0;
}

/* Top Sticky Navigation Bar */
header.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
}

.page-title h1 {
  font-size: 19px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-title p {
  font-size: 12.5px;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-action {
  background: var(--surface-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-action:hover {
  background: var(--surface-hover);
  border-color: var(--border-light);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border: none;
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--success);
  border: none;
  color: #fff;
}

.btn-danger {
  background: var(--danger);
  border: none;
  color: #fff;
}

/* Page Container */
.page-container {
  padding: 24px 28px;
  max-width: 1500px;
  margin: 0 auto;
  width: 100%;
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.kpi-card .kpi-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kpi-card .kpi-val {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.kpi-card .kpi-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Content Cards */
.card-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 22px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.card-header h3 {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-header p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Data Tables */
.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--table-header-bg);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.data-table tr:hover {
  background: var(--surface-hover);
}

/* Badges */
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 700;
}

.badge-critical { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-high { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-medium { background: rgba(99, 102, 241, 0.15); color: var(--primary); border: 1px solid rgba(99, 102, 241, 0.3); }
.badge-low { background: rgba(148, 163, 184, 0.15); color: var(--text-muted); border: 1px solid var(--border); }
.badge-success { background: var(--success-bg); color: var(--success-light); border: 1px solid rgba(16, 185, 129, 0.3); }

/* Code and Diffs */
.code-box {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  color: var(--text);
}

/* Forms & Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.search-input {
  background: var(--surface-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 9px;
  font-size: 13px;
  min-width: 260px;
  outline: none;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.select-filter {
  background: var(--surface-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 9px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* Toast Container */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--surface-card);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 12px 18px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
  animation: slideInToast 0.25s ease;
}

@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 900px) {
  aside.sidebar {
    position: fixed;
    transform: translateX(-100%);
  }
  aside.sidebar.mobile-open {
    transform: translateX(0);
  }
  .menu-toggle {
    display: block;
  }
  .page-container {
    padding: 16px;
  }
}