/* ==============================================================================
   Ask Saka — Modern Minimalist Design System (Linear / Stripe / shadcn Style)
   Accent: Safaricom Green (#00A859) | Pure Vanilla CSS Tokens
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  color-scheme: dark;

  /* Safaricom Green Brand Tokens */
  --color-primary: #00A859;
  --color-primary-hover: #008C4A;
  --color-primary-active: #00733C;
  --color-primary-tint: rgba(0, 168, 89, 0.12);
  --color-primary-subtle: rgba(0, 168, 89, 0.05);

  /* Dark Theme Surfaces (Default) */
  --bg: #09090b;
  --card-bg: #121215;
  --box-bg: #18181b;
  --sidebar-bg: #0d0d10;
  --sidebar-border: #222226;
  --header-bg: rgba(9, 9, 11, 0.82);
  --border: #27272a;
  --border-subtle: #1e1e24;
  --border-hover: #3f3f46;

  /* Typography Colors */
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;

  /* Interactive Elements */
  --btn-bg: var(--color-primary);
  --btn-hover: var(--color-primary-hover);
  --btn-text: #ffffff;
  --code-bg: #18181b;
  --link: #00A859;
  --badge-bg: #18181b;

  /* Status Colors */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: rgba(16, 185, 129, 0.25);

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.25);

  --danger: #f43f5e;
  --danger-bg: rgba(244, 63, 94, 0.12);
  --danger-hover: #e11d48;
  --danger-border: rgba(244, 63, 94, 0.25);

  --info: #0ea5e9;
  --info-bg: rgba(14, 165, 233, 0.12);
  --info-border: rgba(14, 165, 233, 0.25);

  /* Layout Dimensions */
  --sidebar-width: 250px;
  --sidebar-collapsed-width: 68px;
  --header-height: 58px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-drawer: -4px 0 24px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] {
  color-scheme: light;

  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --box-bg: #f1f3f5;
  --sidebar-bg: #ffffff;
  --sidebar-border: #e4e4e7;
  --header-bg: rgba(255, 255, 255, 0.85);
  --border: #e4e4e7;
  --border-subtle: #eeeeef;
  --border-hover: #d4d4d8;

  --text: #09090b;
  --text-muted: #71717a;
  --text-subtle: #a1a1aa;

  --btn-bg: var(--color-primary);
  --btn-hover: var(--color-primary-hover);
  --btn-text: #ffffff;
  --code-bg: #f1f3f5;
  --link: #008C4A;
  --badge-bg: #f4f4f5;

  --success: #059669;
  --success-bg: rgba(5, 150, 105, 0.1);
  --success-border: rgba(5, 150, 105, 0.2);

  --warning: #d97706;
  --warning-bg: rgba(217, 119, 6, 0.1);
  --warning-border: rgba(217, 119, 6, 0.2);

  --danger: #e11d48;
  --danger-bg: rgba(225, 29, 72, 0.1);
  --danger-hover: #be123c;
  --danger-border: rgba(225, 29, 72, 0.2);

  --info: #0284c7;
  --info-bg: rgba(2, 132, 199, 0.1);
  --info-border: rgba(2, 132, 199, 0.2);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-drawer: -4px 0 24px rgba(0, 0, 0, 0.12);
}

/* ==============================================================================
   Base Reset & Typography
   ============================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.tabular-nums, .num {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: 22px; font-weight: 700; }
h2 { font-size: 18px; margin-bottom: 12px; }
h3 { font-size: 15px; margin-bottom: 8px; }

p { margin: 0 0 10px; }

a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  text-decoration: underline;
}

code, kbd, samp, pre {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Monaco, Consolas, monospace;
  font-size: 12.5px;
}

code {
  background: var(--code-bg);
  color: var(--text);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

pre {
  background: var(--code-bg);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow-x: auto;
  line-height: 1.45;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.text-muted { color: var(--text-muted); }
.text-subtle { color: var(--text-subtle); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--color-primary); }

.text-xs { font-size: 11.5px; }
.text-sm { font-size: 13px; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* ==============================================================================
   Application Shell: Collapsible Sidebar + Sticky Header
   ============================================================================== */
.app-shell {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), min-width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-x: hidden;
}

.app-sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
  min-width: var(--sidebar-collapsed-width);
}

.app-sidebar.collapsed .sidebar-label,
.app-sidebar.collapsed .sidebar-badge,
.app-sidebar.collapsed .sidebar-group-title,
.app-sidebar.collapsed .sidebar-brand-name,
.app-sidebar.collapsed .sidebar-footer-text {
  opacity: 0;
  pointer-events: none;
  display: none;
}

.app-sidebar.collapsed .sidebar-brand {
  justify-content: center;
  padding: 0;
}

.app-sidebar.collapsed .sidebar-nav-item {
  justify-content: center;
  padding: 8px 0;
  margin: 2px 8px;
}

.app-sidebar.collapsed .sidebar-nav-item svg {
  margin-right: 0;
}

/* Sidebar Brand Header */
.sidebar-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 15px;
}

.brand-icon {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: #ffffff;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 168, 89, 0.35);
}

.sidebar-collapse-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}
.sidebar-collapse-btn:hover {
  color: var(--text);
  background: var(--box-bg);
  border-color: var(--border-hover);
}

/* Sidebar Nav */
.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-group-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 12px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  position: relative;
}

.sidebar-nav-item:hover {
  color: var(--text);
  background: var(--box-bg);
  text-decoration: none;
}

.sidebar-nav-item.active {
  color: var(--color-primary);
  background: var(--color-primary-tint);
  font-weight: 600;
}

.sidebar-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--color-primary);
  border-radius: 0 3px 3px 0;
}

.sidebar-nav-item svg {
  width: 18px;
  height: 18px;
  margin-right: 12px;
  flex-shrink: 0;
}

.sidebar-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: var(--warning-bg);
  color: var(--warning);
}

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==============================================================================
   Main Content Area & Sticky Header
   ============================================================================== */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

.app-header {
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
}

.breadcrumb-item {
  color: var(--text-muted);
  text-decoration: none;
}
.breadcrumb-item:hover {
  color: var(--text);
  text-decoration: none;
}
.breadcrumb-separator {
  color: var(--text-subtle);
  font-size: 12px;
}
.breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  background: var(--box-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}
.status-dot.warning { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.status-dot.danger { background: var(--danger); box-shadow: 0 0 6px var(--danger); }

.user-profile-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--box-bg);
  border: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text);
}

.user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-icon:hover {
  color: var(--text);
  background: var(--box-bg);
  border-color: var(--border-hover);
}

/* App Main Content */
.app-content {
  padding: 24px 28px 48px;
  max-width: 1440px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==============================================================================
   Metric & KPI Cards (Linear / Stripe Style)
   ============================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  position: relative;
}

.kpi-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.kpi-footer {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
  font-size: 11.5px;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}
.kpi-trend.positive { background: var(--success-bg); color: var(--success); }
.kpi-trend.neutral { background: var(--box-bg); color: var(--text-muted); }
.kpi-trend.negative { background: var(--danger-bg); color: var(--danger); }

/* ==============================================================================
   Segmented Metric Strips (Stripe / Linear Executive Banners)
   ============================================================================== */
.metric-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding: 0;
  overflow: hidden;
  margin-bottom: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: opacity 0.2s ease;
}

.metric-strip.is-refreshing {
  opacity: 0.65;
  pointer-events: none;
}

.metric-segment {
  padding: 20px 22px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: background 0.15s ease;
  min-width: 0;
}

.metric-segment:last-child {
  border-right: none;
}

.metric-segment:hover {
  background: var(--box-bg);
}

.metric-label {
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  color: var(--text);
  min-height: 29px;
  display: flex;
  align-items: center;
}

.metric-sub {
  font-size: 12px;
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  min-height: 16px;
}

.metric-sub-headline {
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 4px;
  min-height: 17px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.metric-sub-meta {
  font-size: 11px;
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  min-height: 16px;
  line-height: 1.3;
}

/* Inline Expanding Custom Date Range Picker */
.custom-date-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--box-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  transition: all 0.2s ease;
}

.custom-date-wrap.hidden {
  display: none !important;
}

.custom-date-input {
  background: transparent;
  border: none;
  font-size: 11.5px;
  font-family: inherit;
  color: var(--text);
  padding: 2px 4px;
  outline: none;
  cursor: pointer;
}

.custom-date-input::-webkit-calendar-picker-indicator {
  filter: invert(0.6);
  cursor: pointer;
}

[data-theme="light"] .custom-date-input::-webkit-calendar-picker-indicator {
  filter: none;
}

.btn-apply-date {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.btn-apply-date:hover {
  opacity: 0.9;
}

/* Compact Date Mode Toggle [ Calendar | Rolling ] */
.date-mode-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--box-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 2px;
  gap: 2px;
}

.date-mode-btn {
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  line-height: 1.2;
}

.date-mode-btn .date-mode-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  stroke: currentColor;
}

.date-mode-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.date-mode-btn.active {
  background: var(--bg-surface);
  color: var(--text);
  font-weight: 600;
  border: 1px solid var(--border-hover);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

/* Live Agent Presence Pulsing Indicator */
.presence-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-subtle);
  position: relative;
  flex-shrink: 0;
}

.presence-dot.online {
  background-color: var(--success);
}

.presence-dot.online::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  border: 1.5px solid var(--success);
  animation: presence-pulse 1.8s infinite ease-out;
}

.presence-dot.idle {
  background-color: var(--warning);
}

@keyframes presence-pulse {
  0% {
    transform: scale(0.9);
    opacity: 0.9;
  }
  70% {
    transform: scale(2.2);
    opacity: 0;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

/* Activity Event Badges */
.activity-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.activity-badge.question {
  background: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.activity-badge.completion {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.activity-badge.purchase {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.activity-badge.connection {
  background: rgba(139, 92, 246, 0.12);
  color: #8b5cf6;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

/* Header Refresh Controls & Freshness Indicators */
.header-actions-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.freshness-badge {
  font-size: 11.5px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--box-bg);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.freshness-badge .fresh-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

.freshness-badge.stale .fresh-dot {
  background: var(--warning);
}

.btn-refresh svg.spin {
  animation: spin 0.75s linear infinite;
}

/* ==============================================================================
   Cards & Surfaces
   ============================================================================== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}

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

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  background: var(--box-bg);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==============================================================================
   High-Density Tables
   ============================================================================== */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

table.data-table th {
  padding: 10px 16px;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-subtle);
  background: var(--box-bg);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

table.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

table.data-table tbody tr {
  transition: background 0.12s ease;
}

table.data-table tbody tr:hover {
  background: var(--box-bg);
}

table.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Filter Pills */
.filter-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 500;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.filter-pill:hover {
  color: var(--text);
  border-color: var(--border-hover);
  text-decoration: none;
}

.filter-pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
}

.filter-pill .pill-count {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.15);
}

/* ==============================================================================
   Buttons & Inputs
   ============================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--card-bg);
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  background: var(--box-bg);
  border-color: var(--border-hover);
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
}
.btn-danger:hover {
  background: var(--danger-hover);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid #ffffff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-secondary.btn-loading::after {
  border-color: var(--text);
  border-top-color: transparent;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form Controls */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-control, .form-select {
  width: 100%;
  padding: 8px 12px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-tint);
}

/* ==============================================================================
   Badges & Tags
   ============================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  line-height: 16px;
  border: 1px solid transparent;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success-border);
}

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

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

.badge-info {
  background: var(--info-bg);
  color: var(--info);
  border-color: var(--info-border);
}

.badge-neutral {
  background: var(--box-bg);
  color: var(--text-muted);
  border-color: var(--border);
}

.badge-primary {
  background: var(--color-primary-tint);
  color: var(--color-primary);
  border-color: rgba(0, 168, 89, 0.25);
}

/* ==============================================================================
   Slide-Over Drawer (Right-Docked Sheet)
   ============================================================================== */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-sheet {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 520px;
  max-width: 90vw;
  background: var(--card-bg);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-drawer);
  z-index: 101;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.drawer-backdrop.open .drawer-sheet {
  transform: translateX(0);
}

.drawer-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.drawer-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--box-bg);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ==============================================================================
   Toast Notification System
   ============================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 380px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
  animation: toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transition: all 0.2s ease;
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-info { border-left: 3px solid var(--color-primary); }

@keyframes toast-in {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-out {
  from { transform: translateY(0); opacity: 1; }
  to { transform: translateY(16px); opacity: 0; }
}

/* ==============================================================================
   Top Progress Bar (YouTube / GitHub style)
   ============================================================================== */
#topProgressBar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2.5px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, #10b981 50%, #34d399 100%);
  box-shadow: 0 0 10px rgba(0, 168, 89, 0.8), 0 0 4px rgba(0, 168, 89, 0.6);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  z-index: 999999;
  pointer-events: none;
  opacity: 0;
}

#topProgressBar.active {
  opacity: 1;
}

#topProgressBar.completed {
  transform: scaleX(1) !important;
  opacity: 0;
  transition: transform 0.12s ease, opacity 0.25s ease 0.12s;
}

/* ==============================================================================
   Strict Isolated Tab Panels
   ============================================================================== */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: tab-panel-enter 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes tab-panel-enter {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==============================================================================
   Enhanced Skeletons & Shimmer Pulse
   ============================================================================== */
@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.skeleton,
.skeleton-text,
.skeleton-title,
.skeleton-card,
.skeleton-row,
.skeleton-bar,
.skeleton-circle,
.skeleton-value,
.skeleton-val,
.skeleton-sub,
.skeleton-pill {
  background: linear-gradient(
    90deg,
    var(--border) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    var(--border) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

[data-theme="light"] .skeleton,
[data-theme="light"] .skeleton-text,
[data-theme="light"] .skeleton-title,
[data-theme="light"] .skeleton-card,
[data-theme="light"] .skeleton-row,
[data-theme="light"] .skeleton-bar,
[data-theme="light"] .skeleton-circle,
[data-theme="light"] .skeleton-value,
[data-theme="light"] .skeleton-val,
[data-theme="light"] .skeleton-sub,
[data-theme="light"] .skeleton-pill {
  background: linear-gradient(
    90deg,
    #e4e4e7 25%,
    #f4f4f5 50%,
    #e4e4e7 75%
  );
  background-size: 200% 100%;
}

.skeleton-text {
  height: 14px;
  margin-bottom: 6px;
  width: 100%;
}

.skeleton-title {
  height: 20px;
  width: 45%;
  margin-bottom: 12px;
}

.skeleton-card {
  height: 100px;
  border-radius: var(--radius-lg);
}

.skeleton-row {
  height: 42px;
  margin-bottom: 8px;
}

.skeleton-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
}

.skeleton-bar {
  height: 12px;
  border-radius: 4px;
}

.skeleton-bar.w-25 { width: 25%; }
.skeleton-bar.w-40 { width: 40%; }
.skeleton-bar.w-50 { width: 50%; }
.skeleton-bar.w-60 { width: 60%; }
.skeleton-bar.w-75 { width: 75%; }
.skeleton-bar.w-100 { width: 100%; }

/* Skeleton Stat KPI Card */
.skeleton-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.skeleton-stat-card .skeleton-title {
  height: 13px;
  width: 50%;
  margin-bottom: 0;
}

.skeleton-stat-card .skeleton-value {
  height: 28px;
  width: 70%;
  border-radius: var(--radius-sm);
}

.skeleton-stat-card .skeleton-sub {
  height: 11px;
  width: 40%;
  border-radius: var(--radius-sm);
}

.skeleton-val {
  display: inline-block;
  width: 120px;
  height: 26px;
  border-radius: var(--radius-sm);
  vertical-align: middle;
}

.skeleton-sub {
  display: inline-block;
  width: 140px;
  height: 13px;
  border-radius: var(--radius-xs);
  vertical-align: middle;
}

.skeleton-pill {
  display: inline-block;
  width: 24px;
  height: 14px;
  border-radius: var(--radius-full);
  vertical-align: middle;
}

/* Button loading state */
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.82;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 15px;
  height: 15px;
  top: 50%;
  left: 50%;
  margin-top: -7.5px;
  margin-left: -7.5px;
  border: 2px solid currentColor;
  border-color: #fff transparent #fff transparent;
  border-radius: 50%;
  animation: btn-spin 0.65s linear infinite;
}

.btn-secondary.btn-loading::after {
  border-color: var(--text-main) transparent var(--text-main) transparent;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* ==============================================================================
   Pagination Bar Component
   ============================================================================== */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.pagination-info {
  font-size: 13px;
  color: var(--text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.page-btn:hover:not(:disabled):not(.active) {
  background: var(--bg-card);
  border-color: var(--border-hover);
  color: var(--text-main);
}

.page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  cursor: default;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 32px;
  font-size: 13px;
  color: var(--text-muted);
}

.rows-per-page-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.rows-per-page-select {
  height: 32px;
  padding: 0 24px 0 8px;
  font-size: 13px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-main);
  cursor: pointer;
}

/* ==============================================================================
   Modals
   ============================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
  animation: fade-in 0.15s ease;
}

.modal-dialog {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--box-bg);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ==============================================================================
   Legacy Compatibility Containers
   ============================================================================== */
.container {
  max-width: 680px;
  margin: 32px auto;
  padding: 0 16px;
}

.container-wide {
  max-width: 1160px;
  margin: 24px auto;
  padding: 0 20px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .app-sidebar {
    position: fixed;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .app-sidebar.mobile-open {
    transform: translateX(0);
  }
  .app-content {
    padding: 16px;
  }
}

/* ==============================================================================
   Structured Property Cards & Collapsible JSON Details (Drawers)
   ============================================================================== */
.prop-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 16px;
}

.prop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.prop-grid.single-col {
  grid-template-columns: 1fr;
}

.prop-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.prop-item.full-width {
  grid-column: 1 / -1;
}

.prop-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-subtle);
}

.prop-value {
  font-size: 13px;
  color: var(--text);
  line-height: 1.4;
  word-break: break-word;
}

.prop-value.code {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  background: var(--box-bg);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: inline-block;
}

.json-details {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--box-bg);
  overflow: hidden;
  margin-top: 14px;
}

.json-details summary {
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  background: var(--bg-surface);
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.15s ease;
}

.json-details[open] summary {
  border-bottom-color: var(--border);
  color: var(--text);
}

.json-details summary:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.json-details pre {
  margin: 0;
  padding: 12px;
  font-size: 11.5px;
  line-height: 1.45;
  background: var(--box-bg);
  max-height: 260px;
  overflow: auto;
}