/**
 * ccboard Web Interface - Dark Theme Stylesheet
 * Inspiration: Vercel Dashboard, Grafana Dark, GitHub Dark Mode
 */

:root {
  /* ========== COLOR PALETTE ========== */

  /* Background Colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #0f0f0f;
  --bg-surface: #242424;
  --bg-elevated: #2a2a2a;

  /* Text Colors (improved contrast +16 luminosity) */
  --text-primary: #f0f0f0;   /* was #e0e0e0 */
  --text-secondary: #b0b0b0; /* was #a0a0a0 */
  --text-muted: #707070;     /* was #606060 */
  --text-inverse: #1a1a1a;

  /* Accent Colors */
  --color-cyan: #00bcd4;
  --color-green: #4caf50;
  --color-yellow: #ffc107;
  --color-red: #f44336;
  --color-blue: #2196f3;
  --color-purple: #9c27b0;

  /* UI Element Colors */
  --border-color: #333333;
  --border-light: #404040;
  --hover-bg: #2a2a2a;
  --active-bg: rgba(0, 188, 212, 0.12);
  --active-border: var(--color-cyan);
  --focus-ring: rgba(0, 188, 212, 0.4);

  /* Semantic Colors */
  --success: var(--color-green);
  --warning: var(--color-yellow);
  --error: var(--color-red);
  --info: var(--color-blue);

  /* Accent Aliases (used by charts/components) */
  --accent-primary: var(--color-cyan);
  --accent-secondary: var(--color-yellow);
  --accent-tertiary: var(--color-purple);

  /* Semantic Color Aliases (used by charts) */
  --color-danger: var(--color-red);
  --color-info: var(--color-blue);
  --color-warning: var(--color-yellow);

  /* UI Aliases */
  --card-bg: var(--bg-surface);
  --text-md: var(--text-base);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);

  /* ========== TYPOGRAPHY ========== */

  /* Font Families */
  --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, system-ui,
    sans-serif;
  --font-mono: "Fira Code", "JetBrains Mono", "Consolas", "Monaco", monospace;

  /* Font Sizes (extended scale for hero typography) */
  --text-2xs: 10px;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-3xl: 36px;
  --text-4xl: 48px;

  /* Font Weights (extended for hero numbers) */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* ========== SPACING SYSTEM ========== */

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* ========== LAYOUT ========== */

  --sidebar-width: 200px;
  --sidebar-collapsed: 60px;
  --header-height: 60px;
  --content-max-width: 1400px;

  /* ========== BORDERS & RADII ========== */

  --border-width: 1px;
  --border-width-thick: 2px;

  /* Semantic radius for components */
  --radius-button: 6px;
  --radius-input: 6px;
  --radius-card: 10px;    /* was 8px in radius-md */
  --radius-modal: 12px;
  --radius-tooltip: 6px;

  /* Generic radius scale */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* ========== SHADOWS & ELEVATION ========== */

  /* Legacy shadows (keep for backward compat) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5),
    0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5),
    0 4px 6px -2px rgba(0, 0, 0, 0.3);

  /* Elevation system (4 levels + glows) */
  --elevation-0: none;
  --elevation-1: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --elevation-2: 0 3px 6px rgba(0,0,0,0.5), 0 2px 4px rgba(0,0,0,0.4);
  --elevation-3: 0 10px 20px rgba(0,0,0,0.6), 0 3px 6px rgba(0,0,0,0.5);
  --elevation-4: 0 15px 30px rgba(0,0,0,0.7), 0 5px 10px rgba(0,0,0,0.6);

  /* Glow effects for stats and highlights */
  --glow-cyan: 0 0 20px rgba(0,188,212,0.1);
  --glow-blue: 0 0 20px rgba(33,150,243,0.1);
  --glow-purple: 0 0 20px rgba(156,39,176,0.1);

  /* ========== TRANSITIONS ========== */

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* ========== GRADIENTS ========== */

  /* Chart gradients (vertical) */
  --gradient-cyan: linear-gradient(180deg, rgba(0,188,212,0.8) 0%, rgba(0,188,212,0.2) 100%);
  --gradient-blue: linear-gradient(180deg, rgba(33,150,243,0.8) 0%, rgba(33,150,243,0.2) 100%);
  --gradient-purple: linear-gradient(180deg, rgba(156,39,176,0.8) 0%, rgba(156,39,176,0.2) 100%);
  --gradient-green: linear-gradient(180deg, rgba(76,175,80,0.8) 0%, rgba(76,175,80,0.2) 100%);

  /* Surface gradients */
  --gradient-surface: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
  --gradient-chart-area: linear-gradient(180deg, rgba(0,188,212,0.3) 0%, rgba(0,188,212,0.0) 100%);

  /* Text gradients */
  --gradient-text-cyan: linear-gradient(135deg, var(--text-primary), var(--color-cyan));
  --gradient-text-blue: linear-gradient(135deg, var(--text-primary), var(--color-blue));

  /* ========== OPACITY SCALE ========== */

  --opacity-5: 0.05;
  --opacity-10: 0.1;
  --opacity-20: 0.2;
  --opacity-40: 0.4;
  --opacity-60: 0.6;
  --opacity-80: 0.8;
}

/* ========== BASE STYLES ========== */

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  font-weight: var(--font-normal);
}

/* ========== LAYOUT COMPONENTS ========== */

/* App Container */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: var(--border-width) solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  z-index: 100;
}

.header-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-cyan);
  line-height: 1.2;
  margin: 0;
}

.subtitle {
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  color: var(--text-muted);
  line-height: 1.2;
  margin: 0;
  padding-bottom: var(--space-sm);
}

.header-logo {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-cyan);
  margin-right: var(--space-xl);
}

.header-nav {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex: 1;
}

.header-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

/* Layout Container */
.layout {
  display: flex;
  margin-top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: var(--header-height);
  bottom: 0;
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: var(--border-width) solid var(--border-color);
  overflow-y: auto;
  z-index: 50;
}

.sidebar-nav {
  padding: var(--space-lg) 0;
}

.sidebar-section {
  margin-bottom: var(--space-lg);
}

.sidebar-section-title {
  padding: 0 var(--space-md);
  margin-bottom: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-link {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.sidebar-link:hover {
  background-color: var(--hover-bg);
  color: var(--text-primary);
}

.sidebar-link.active {
  background-color: var(--active-bg);
  color: var(--color-cyan);
  border-left-color: var(--color-cyan);
}

.sidebar-link-icon {
  width: 20px;
  height: 20px;
  margin-right: var(--space-sm);
}

/* Main Content Area */
.content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--space-lg);
  overflow-y: auto;
  overflow-x: hidden;
  background-color: var(--bg-primary);
}

.content-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* ========== COMPONENT STYLES ========== */

/* Cards */
.card {
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  box-shadow: var(--elevation-1);
  transition: all var(--transition-base), transform 0.15s ease;
}

.card:hover {
  border-color: var(--border-light);
  box-shadow: var(--elevation-2);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.card-body {
  color: var(--text-secondary);
}

.card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: var(--border-width) solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Buttons - Improved with semantic radius and press effect */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-button);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: var(--border-width) solid transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
  border-color: var(--color-cyan);
}

.btn-primary {
  background-color: var(--color-cyan);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background-color: #00acc1;
}

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
}

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

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background-color: var(--hover-bg);
  color: var(--text-primary);
}

.btn-danger {
  background-color: var(--color-red);
  color: var(--text-inverse);
}

.btn-danger:hover {
  background-color: #e53935;
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-base);
}

/* Links */
a {
  color: var(--color-cyan);
  transition: color var(--transition-fast);
}

a:hover {
  color: #00acc1;
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge-success {
  background-color: rgba(76, 175, 80, 0.2);
  color: var(--color-green);
}

.badge-warning {
  background-color: rgba(255, 193, 7, 0.2);
  color: var(--color-yellow);
}

.badge-error {
  background-color: rgba(244, 67, 54, 0.2);
  color: var(--color-red);
}

.badge-info {
  background-color: rgba(33, 150, 243, 0.2);
  color: var(--color-blue);
}

.badge-default {
  background-color: var(--bg-elevated);
  color: var(--text-secondary);
  border: var(--border-width) solid var(--border-color);
}

/* Stats/Metrics */
.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-label {
  font-size: var(--text-2xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-bold);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: var(--text-primary);
  line-height: 1;
}

.stat-change {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.stat-change.positive {
  color: var(--color-green);
}

.stat-change.negative {
  color: var(--color-red);
}

/* Tables */
.table-container {
  overflow-x: auto;
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  font-size: var(--text-sm);
}

thead {
  background-color: var(--bg-elevated);
  border-bottom: var(--border-width) solid var(--border-color);
}

th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

td {
  padding: var(--space-md) var(--space-md);
  border-top: var(--border-width) solid var(--border-color);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Zebra striping for better readability */
tbody tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

tr:hover td {
  background-color: var(--hover-bg);
  box-shadow: inset 3px 0 0 var(--color-cyan);
}

/* Code Blocks */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-cyan);
}

pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background-color: var(--bg-secondary);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--border-color);
  overflow-x: auto;
  line-height: var(--leading-relaxed);
}

pre code {
  background-color: transparent;
  padding: 0;
  color: var(--text-primary);
}

/* Form Elements - Improved with semantic radius and unified focus */
.input,
.select,
.textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-input);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: var(--border-light);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.textarea {
  resize: vertical;
  min-height: 100px;
}

.label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

/* Loading States */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 25%,
    var(--hover-bg) 50%,
    var(--bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.spinner {
  border: 2px solid var(--border-color);
  border-top-color: var(--color-cyan);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 0.8s linear infinite;
}

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

/* Page Stubs (for incomplete pages) - DEPRECATED, use empty-state instead */
.page-stub {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  font-size: var(--text-xl);
  color: var(--text-muted);
}

/* Empty State Component */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--space-3xl);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-elevated);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  color: var(--text-muted);
}

.empty-state-icon svg {
  opacity: 0.6;
}

.empty-state-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.empty-state-description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-xl);
}

.empty-state-workaround {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background-color: var(--bg-elevated);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-primary);
  margin-bottom: var(--space-md);
  text-align: left;
  width: 100%;
}

.empty-state-workaround strong {
  color: var(--accent-primary);
}

.empty-state-timeline {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

.empty-state-timeline strong {
  color: var(--text-secondary);
}

.empty-state-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.empty-state-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ========== RESPONSIVE DESIGN ========== */

/* Hamburger Menu Button */
.hamburger {
  display: none; /* Hidden by default on desktop */
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 1001;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger:hover {
  background: var(--hover-bg);
  border-color: var(--border-light);
}

.hamburger:active {
  background: var(--active-bg);
}

.hamburger-icon {
  font-size: 1.5rem;
  color: var(--text-primary);
  line-height: 1;
}

/* Sidebar Close Button */
.sidebar-close {
  display: none;
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 10;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-secondary);
  line-height: 1;
}

.sidebar-close:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

/* Sidebar Backdrop */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 768px) {
  /* CSS Variables Adjustments */
  :root {
    --sidebar-width: 0;
    --text-base: 14px;
    --text-sm: 13px;
    --text-xs: 11px;
    --space-md: 12px;
    --space-lg: 16px;
  }

  /* Show hamburger and sidebar close button */
  .hamburger {
    display: flex;
  }

  .sidebar-close {
    display: flex;
  }

  /* Show backdrop when sidebar open */
  .sidebar-backdrop {
    display: block;
  }

  /* Sidebar Mobile Behavior */
  .sidebar {
    position: fixed;
    left: -220px; /* Hidden by default (slightly more than width for shadow) */
    top: 0;
    bottom: 0;
    width: var(--sidebar-width-mobile, 200px);
    transition: left var(--transition-base);
    z-index: 1000;
    box-shadow: none;
  }

  .sidebar.sidebar-open {
    left: 0; /* Slide in */
    box-shadow: var(--shadow-lg);
  }

  /* Adjust content for no sidebar space */
  .content {
    margin-left: 0;
    padding: var(--space-md);
    width: 100%;
  }

  /* Header adjustments */
  .header {
    padding: 0 var(--space-md);
    padding-left: 60px; /* Space for hamburger button */
  }

  .header-content {
    flex: 1;
  }

  .logo {
    font-size: var(--text-lg);
  }

  .subtitle {
    font-size: var(--text-xs);
  }

  /* Grid System - Single Column */
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }

  /* Stats Grid - Single Column */
  .stats-grid {
    grid-template-columns: 1fr;
  }

  /* Touch Targets - Minimum 44x44px */
  .btn,
  .nav-link,
  .hamburger,
  .sidebar-close,
  button,
  a {
    min-height: 44px;
    min-width: 44px;
  }

  .nav-link {
    padding: var(--space-md);
  }

  /* Tables - Horizontal Scroll */
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .session-table,
  .sessions-table {
    min-width: 600px; /* Force horizontal scroll */
    font-size: var(--text-xs);
  }

  .session-table th,
  .session-table td,
  .sessions-table th,
  .sessions-table td {
    padding: var(--space-xs) var(--space-sm);
  }

  /* First column sticky for tables */
  .session-table th:first-child,
  .session-table td:first-child {
    position: sticky;
    left: 0;
    background-color: var(--bg-surface);
    z-index: 1;
  }

  /* Modal - Full Screen on Mobile */
  .modal-content {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
    margin: 0;
  }

  .modal-overlay {
    padding: 0;
  }

  /* Session Detail - Stack Vertically */
  .detail-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  /* Search Bar - Stack Filters Vertically */
  .filter-group {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .filter-select {
    width: 100%;
  }

  /* Sparkline - Reduce Height */
  .sparkline {
    height: 200px;
  }

  /* Forecast Chart - Reduce Height */
  .forecast-chart {
    height: 250px;
    font-size: 10px;
  }

  /* Analytics Breakdown - Single Column */
  .breakdown-section {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Budget Text - Smaller Font */
  .budget-text {
    font-size: var(--text-sm);
  }

  /* Metrics Summary - Smaller Cards */
  .metrics-summary {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  /* Cards - Reduce Padding */
  .card {
    padding: var(--space-md);
  }

  .stats-card {
    padding: var(--space-md);
  }

  /* Remove Hover States on Mobile */
  @media (hover: none) {
    .card:hover,
    .stats-card:hover,
    .btn:hover,
    .nav-link:hover,
    .session-row:hover {
      transform: none;
      box-shadow: none;
      background-color: inherit;
    }
  }

  /* Active States for Touch */
  .btn:active {
    opacity: 0.8;
  }

  .nav-link:active {
    background-color: var(--active-bg);
  }

  /* Scrollbar Auto-Hide on Mobile */
  .content::-webkit-scrollbar,
  .table-container::-webkit-scrollbar,
  .modal-content::-webkit-scrollbar {
    width: 4px;
    height: 4px;
  }

  .content::-webkit-scrollbar-thumb,
  .table-container::-webkit-scrollbar-thumb,
  .modal-content::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
  }

  /* Reduce Spacing Globally */
  .gap-md {
    gap: var(--space-sm);
  }

  .gap-lg {
    gap: var(--space-md);
  }
}

/* Extra Small Devices (<480px) */
@media (max-width: 480px) {
  /* Further reduce text sizes */
  :root {
    --text-base: 13px;
    --text-sm: 12px;
    --text-xs: 10px;
  }

  /* Single column for all grids */
  .metrics-summary {
    grid-template-columns: 1fr;
  }

  /* Reduce card padding further */
  .card,
  .stats-card {
    padding: var(--space-sm);
  }

  /* Smaller stats values */
  .stats-card-value {
    font-size: var(--text-xl);
  }

  .stat-value {
    font-size: var(--text-xl);
  }

  /* Budget bar thinner */
  .budget-bar {
    height: 20px;
  }

  .project-bar {
    height: 14px;
  }
}

/* ========== ACCESSIBILITY ========== */

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #555555;
    --text-secondary: #c0c0c0;
  }
}

/* ========== DASHBOARD SPECIFIC STYLES ========== */

/* Stats Grid Layout */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Stats Card - Enhanced with elevation and glow */
.stats-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  box-shadow: var(--elevation-1), var(--glow-cyan);
  transition: all var(--transition-base), transform 0.15s ease;
}

.stats-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevation-3), var(--glow-cyan);
}

.stats-card-icon {
  font-size: 2rem;
  line-height: 1;
  transition: transform var(--transition-base);
}

.stats-card:hover .stats-card-icon {
  transform: rotate(5deg) scale(1.1);
}

.stats-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stats-card-label {
  font-size: var(--text-2xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-bold);
}

.stats-card-value {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  background: var(--gradient-text-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  animation: countUp 0.5s ease-out;
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Card Color Variants */
.card-green {
  border-left: 3px solid var(--color-green);
}

.card-yellow {
  border-left: 3px solid var(--color-yellow);
}

.card-red {
  border-left: 3px solid var(--color-red);
}

.card-green .stats-card-value {
  color: var(--color-green);
}

.card-yellow .stats-card-value {
  color: var(--color-yellow);
}

.card-red .stats-card-value {
  color: var(--color-red);
}

/* Stats Card - Clickable Interactive */
.stats-card-clickable {
  cursor: pointer;
  position: relative;
}

.stats-card-clickable:hover {
  transform: translateY(-6px);
  box-shadow: var(--elevation-3), 0 0 30px rgba(0,188,212,0.2);
}

.stats-card-clickable:active {
  transform: translateY(-4px) scale(0.98);
}

.stats-card-action-hint {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  font-size: var(--text-2xs);
  color: var(--text-muted);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stats-card-clickable:hover .stats-card-action-hint {
  opacity: 1;
}

/* Session Preview Tooltip */
.session-row {
  /* position: relative on <tr> is not valid HTML — tooltip is in <td> instead */
}

/* The preview cell anchors the tooltip */
.preview--with-tooltip {
  position: relative;
}

.preview-text {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-preview-tooltip {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  z-index: 1000;
  min-width: 400px;
  max-width: 520px;
  padding: var(--space-md);
  background: rgba(26,26,26,0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-tooltip);
  box-shadow: var(--elevation-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  transform: translateY(-6px);
}

.session-row:hover .session-preview-tooltip {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.preview-header {
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.preview-header strong {
  color: var(--text-primary);
  font-weight: var(--font-semibold);
}

.preview-stats {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  padding: var(--space-sm);
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
}

.preview-stats span {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.preview-snippet {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
  max-height: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-cta {
  font-size: var(--text-2xs);
  color: var(--color-cyan);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Sparkline Section */
.sparkline-section {
  margin-bottom: var(--space-xl);
}

.sparkline-container {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.sparkline-label {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.sparkline {
  width: 100%;
  height: auto;
}

.sparkline-empty {
  color: var(--text-muted);
  text-align: center;
  padding: var(--space-lg);
}

/* Recent Sessions Section */
.recent-sessions-section {
  margin-top: var(--space-xl);
}

.recent-sessions-section h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.table-container {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sessions-table {
  width: 100%;
  border-collapse: collapse;
}

.sessions-table thead {
  background-color: var(--hover-bg);
}

.sessions-table th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.sessions-table td {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.sessions-table tbody tr:hover {
  background-color: var(--hover-bg);
  cursor: pointer;
}

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

.sessions-table .session-id {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.sessions-table .tokens {
  font-weight: var(--font-semibold);
  color: var(--accent-primary);
}

.sessions-table .preview {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
}

/* Cost Color Coding */
.cost-high {
  color: var(--color-red);
  font-weight: var(--font-semibold);
}

.cost-medium {
  color: var(--color-yellow);
  font-weight: var(--font-semibold);
}

.cost-low {
  color: var(--color-green);
  font-weight: var(--font-medium);
}

/* Loading and Error States */
.loading {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
}

.error {
  padding: var(--space-md);
  background-color: rgba(255, 82, 82, 0.1);
  border: 1px solid var(--color-red);
  border-radius: var(--radius-md);
  color: var(--color-red);
}

/* ========== SESSIONS PAGE COMPONENTS ========== */

/* Search Bar */
.search-bar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
}

.search-input-group {
  width: 100%;
}

.search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-md);
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--active-border);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Quick Filters */
.quick-filters {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.quick-filters-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quick-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-filter-btn:hover {
  background-color: var(--hover-bg);
  border-color: var(--border-light);
  color: var(--text-primary);
}

.quick-filter-btn.active {
  background-color: var(--active-bg);
  border-color: var(--active-border);
  color: var(--accent-primary);
}

.quick-filter-btn.clear-btn {
  background-color: transparent;
  border-color: var(--error);
  color: var(--error);
}

.quick-filter-btn.clear-btn:hover {
  background-color: rgba(244, 67, 54, 0.1);
  border-color: var(--error);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.filter-select {
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-select:hover {
  border-color: var(--border-light);
}

.filter-select:focus {
  outline: none;
  border-color: var(--active-border);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

/* Session Table */
.session-table-container {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-stats {
  padding: var(--space-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--border-color);
}

.session-table {
  width: 100%;
  border-collapse: collapse;
}

.session-table th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s ease;
}

.session-table th:hover {
  background-color: var(--hover-bg);
}

.session-table td {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.session-row {
  transition: background-color 0.2s ease;
}

.session-row:hover {
  background-color: var(--hover-bg);
  cursor: pointer;
}

.session-row:last-child td {
  border-bottom: none;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.pagination-info {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-md);
}

.modal-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.modal-header h2 {
  margin: 0;
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.modal-close:hover {
  background-color: var(--hover-bg);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

/* Session Detail Modal */
.session-detail-modal {
  max-width: 900px;
}

.detail-section {
  margin-bottom: var(--space-xl);
}

.detail-section:last-child {
  margin-bottom: 0;
}

.detail-section h3 {
  margin: 0 0 var(--space-md) 0;
  font-size: var(--text-lg);
  color: var(--text-primary);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.detail-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-semibold);
}

.detail-value {
  font-size: var(--text-md);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.cost-highlight {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-cyan);
}

.preview-item {
  grid-column: 1 / -1;
}

.preview-text {
  padding: var(--space-sm);
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

.command-example {
  display: block;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-cyan);
  margin-top: var(--space-sm);
}

.btn-icon {
  background: none;
  border: none;
  padding: var(--space-xs);
  cursor: pointer;
  font-size: var(--text-md);
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.btn-icon:hover {
  opacity: 1;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-secondary);
}

.empty-state p {
  margin: var(--space-sm) 0;
}

.empty-state .hint {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.error-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-red);
}

.error-state .hint {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-sm);
}

/* Responsive */
@media (max-width: 768px) {
  .filter-group {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-select {
    width: 100%;
  }

  .session-table {
    font-size: var(--text-xs);
  }

  .session-table th,
  .session-table td {
    padding: var(--space-xs) var(--space-sm);
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .modal-content {
    max-width: 100%;
    margin: var(--space-sm);
  }
}

/* ========================================
   Analytics Page Styles
   ======================================== */

.analytics-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.metrics-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.forecast-section {
  margin-top: var(--space-md);
}

.breakdown-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.breakdown-left,
.breakdown-right {
  min-width: 0; /* Prevent grid blowout */
}

/* Forecast Chart */
.forecast-card .card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.forecast-confidence {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: var(--font-medium);
}

.forecast-chart {
  max-width: 100%;
  height: 300px; /* Reduced from auto to 1/3 of original size */
}

/* Budget Status */
.budget-status {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.budget-text {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: baseline;
  font-size: var(--text-base);
}

.budget-label {
  color: var(--text-secondary);
}

.budget-value {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.budget-percentage {
  font-weight: var(--font-bold);
  margin-left: var(--space-sm);
}

.budget-percentage.budget-ok {
  color: var(--color-green);
}

.budget-percentage.budget-warning {
  color: var(--color-yellow);
}

.budget-percentage.budget-danger {
  color: var(--color-red);
}

.budget-bar {
  width: 100%;
  height: 24px;
  background-color: var(--bg-elevated);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-width) solid var(--border-color);
}

.budget-fill {
  height: 100%;
  transition: width 0.3s ease;
}

.budget-fill.budget-ok {
  background-color: var(--color-green);
}

.budget-fill.budget-warning {
  background-color: var(--color-yellow);
}

.budget-fill.budget-danger {
  background-color: var(--color-red);
}

.hint-sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* Projects Breakdown */
.projects-breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.project-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--text-sm);
}

.project-name {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.project-cost {
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.project-bar {
  width: 100%;
  height: 16px;
  background-color: var(--bg-elevated);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: var(--border-width) solid var(--border-color);
}

.project-fill {
  height: 100%;
  transition: width 0.3s ease;
  border-radius: var(--radius-sm);
}

/* Responsive Analytics */
@media (max-width: 768px) {
  .breakdown-section {
    grid-template-columns: 1fr;
  }

  .metrics-summary {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .forecast-chart {
    font-size: 10px;
  }

  .budget-text {
    font-size: var(--text-sm);
  }
}

@media (max-width: 480px) {
  .metrics-summary {
    grid-template-columns: 1fr;
  }
}

/* ========== EXPORT BUTTONS ========== */

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding: 0 var(--space-lg);
}

.page-header h2 {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

.page-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.export-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.export-button:hover {
  background-color: var(--hover-bg);
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.export-button:active {
  transform: translateY(0);
}

.export-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ========== ERROR BOUNDARY ========== */

.error-boundary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  padding: var(--space-xl);
  background-color: var(--bg-secondary);
}

.error-boundary-content {
  text-align: center;
  max-width: 600px;
  padding: var(--space-xl);
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--error);
  border-radius: var(--radius-lg);
}

.error-boundary-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
}

.error-boundary-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--error);
  margin-bottom: var(--space-md);
}

.error-boundary-message {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: var(--leading-relaxed);
  font-family: var(--font-mono);
  background-color: var(--bg-elevated);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  word-break: break-word;
}

.error-boundary-retry {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-cyan);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.error-boundary-retry:hover {
  background-color: #00acc1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.error-boundary-retry:active {
  transform: translateY(0);
}

/* Responsive Export & Error */
@media (max-width: 768px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .page-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .export-button {
    flex: 1;
    justify-content: center;
  }

  .error-boundary {
    min-height: 300px;
    padding: var(--space-md);
  }

  .error-boundary-content {
    padding: var(--space-lg);
  }
}

/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 400px;
  pointer-events: none;
}

.toast {
  pointer-events: all;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  animation: toast-slide-in 0.3s ease-out;
  transition: all var(--transition-fast);
}

@keyframes toast-slide-in {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  min-width: 0;
}

.toast-icon {
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: var(--font-medium);
  word-break: break-word;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.toast-close:hover {
  background-color: var(--hover-bg);
  color: var(--text-primary);
}

/* Toast type variations */
.toast-info {
  border-left: 4px solid var(--color-blue);
}

.toast-success {
  border-left: 4px solid var(--color-green);
}

.toast-warning {
  border-left: 4px solid var(--color-yellow);
}

.toast-error {
  border-left: 4px solid var(--color-red);
}

/* Responsive Toasts */
@media (max-width: 768px) {
  .toast-container {
    bottom: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }

  .toast {
    min-width: 0;
    width: 100%;
  }
}

/* ========== CONFIG PAGE ========== */

.config-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.config-card {
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.config-section-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.config-json {
  background-color: var(--bg-secondary);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  max-height: 600px;
  overflow-y: auto;
}

.config-info {
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.config-info h3 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.config-info ol {
  padding-left: var(--space-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.config-info code {
  background-color: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-cyan);
}

/* ========== HISTORY PAGE ========== */

.filter-bar {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.filter-btn {
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--hover-bg);
  border-color: var(--border-light);
  color: var(--text-primary);
}

.filter-btn.active {
  background-color: var(--active-bg);
  border-color: var(--active-border);
  color: var(--color-cyan);
  font-weight: var(--font-semibold);
}

.history-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.history-stats {
  padding: var(--space-md);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
}

.history-count {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
}

/* ========== LOADING & ERROR STATES ========== */

.loading {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
  font-size: var(--text-base);
}

.error-message {
  background-color: rgba(244, 67, 54, 0.1);
  border: var(--border-width) solid var(--color-red);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  color: var(--color-red);
}

.error-message p {
  margin: 0;
  font-size: var(--text-sm);
}

.error-message strong {
  font-weight: var(--font-semibold);
}

/* ========================================
   CONFIG PAGE - 4 COLUMN LAYOUT
   ======================================== */

.config-page {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex: 1;
  overflow: hidden;
}

.config-column {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.config-column-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-elevated);
}

.config-column-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin: 0 0 var(--space-sm) 0;
  color: var(--text-primary);
}

.config-badge {
  padding: 4px 12px;
  border-radius: 4px;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.badge-global {
  background: rgba(33, 150, 243, 0.15);
  color: var(--color-blue);
  border: 1px solid rgba(33, 150, 243, 0.3);
}

.badge-project {
  background: rgba(76, 175, 80, 0.15);
  color: var(--color-green);
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.badge-local {
  background: rgba(255, 193, 7, 0.15);
  color: var(--color-yellow);
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-merged {
  background: rgba(0, 188, 212, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(0, 188, 212, 0.3);
}

.config-file-path {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.config-column-body {
  flex: 1;
  overflow: auto;
  padding: var(--space-md);
}

.config-json-highlighted {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  padding: var(--space-md);
  border-radius: 4px;
  overflow-x: auto;
  white-space: pre;
}

.config-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 200px;
}

.config-empty-text {
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-style: italic;
}

.config-help {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--space-lg);
}

.config-help h3 {
  margin: 0 0 var(--space-sm) 0;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.config-help p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.config-help strong {
  color: var(--text-primary);
  font-weight: var(--font-semibold);
}

/* Config Search & Controls */
.config-controls {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.config-search-bar {
  flex: 1;
  min-width: 300px;
}

.config-search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-input);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.config-search-input:focus-visible {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.config-search-input::placeholder {
  color: var(--text-muted);
}

.config-search-results {
  margin-top: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  min-height: 18px;
}

.btn-diff-mode {
  white-space: nowrap;
}

/* Config Column Title Row (for copy button) */
.config-column-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.btn-copy {
  opacity: 0.6;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  font-size: var(--text-lg);
}

.btn-copy:hover {
  opacity: 1;
  transform: scale(1.1);
}

.btn-copy:active {
  transform: scale(0.95);
}

/* JSON Highlight Marks */
.config-json-highlighted mark {
  background-color: rgba(255, 193, 7, 0.3);
  color: var(--text-primary);
  padding: 2px 4px;
  border-radius: 2px;
  font-weight: var(--font-semibold);
}

/* Expand Button */
.btn-expand {
  opacity: 0.6;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  font-size: var(--text-lg);
}

.btn-expand:hover {
  opacity: 1;
  transform: scale(1.1);
}

.btn-expand:active {
  transform: scale(0.95);
}

/* Config Modal */
.config-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-lg);
}

.config-modal-content {
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-modal);
  box-shadow: var(--elevation-4);
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.config-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-elevated);
}

.config-modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0;
}

.btn-close {
  font-size: var(--text-2xl);
  opacity: 0.7;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  padding: var(--space-xs);
}

.btn-close:hover {
  opacity: 1;
  transform: rotate(90deg);
}

.btn-close:active {
  transform: rotate(90deg) scale(0.9);
}

.config-modal-body {
  flex: 1;
  overflow: auto;
  padding: var(--space-lg);
}

.config-modal-body pre {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  white-space: pre;
  word-wrap: break-word;
}

/* Responsive: stack columns on smaller screens */
@media (max-width: 1400px) {
  .config-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .config-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .config-search-bar {
    min-width: 100%;
  }
}

@media (max-width: 900px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== HOOKS PAGE ========== */

.hooks-page {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
}

.hooks-content {
  display: flex;
  gap: 1.5rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Hooks List (Left Sidebar) */
.hooks-list {
  flex: 0 0 320px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.hook-list-item {
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hook-list-item:hover {
  background: var(--hover-bg);
  border-color: var(--border-light);
}

.hook-list-item--selected {
  background: var(--active-bg);
  border-color: var(--active-border);
}

.hook-list-item__name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
}

.hook-list-item__event {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Hook Detail (Right Panel) */
.hooks-detail {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.hook-detail {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hook-detail__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.hook-detail__name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  font-family: var(--font-mono);
}

.hook-detail__badge {
  padding: 0.25rem 0.75rem;
  background: rgba(0, 188, 212, 0.12);
  color: var(--color-cyan);
  border-radius: 0.375rem;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-mono);
}

.hook-detail__section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hook-detail__section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.hook-detail__command {
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: block;
  word-break: break-all;
}

.hook-detail__description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.hook-detail__metadata {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
}

.hook-detail__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hook-detail__meta-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hook-detail__meta-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.hook-detail__script-path {
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.hook-detail__script {
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  margin: 0;
}

/* Empty State */
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 1200px) {
  .hooks-content {
    flex-direction: column;
  }

  .hooks-list {
    flex: 0 0 auto;
    max-height: 300px;
  }
}

/* ========== MCP PAGE ========== */

.mcp-page {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
}

.mcp-content {
  display: flex;
  gap: 1.5rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* MCP Servers List (Left Sidebar) */
.mcp-servers-list {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.mcp-list-item {
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mcp-list-item:hover {
  background: var(--hover-bg);
  border-color: var(--border-light);
}

.mcp-list-item--selected {
  background: var(--active-bg);
  border-color: var(--active-border);
}

.mcp-list-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.mcp-list-item__name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.mcp-status-badge {
  font-size: 1.2rem;
  line-height: 1;
}

.mcp-status-badge--up {
  color: var(--color-green);
}

.mcp-status-badge--down {
  color: var(--color-red);
}

.mcp-list-item__type {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* MCP Server Detail (Right Panel) */
.mcp-server-detail {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.mcp-detail {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mcp-detail__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.mcp-detail__name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  font-family: var(--font-mono);
}

.mcp-detail__badge {
  padding: 0.25rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-mono);
}

.mcp-detail__badge--up {
  background: rgba(76, 175, 80, 0.12);
  color: var(--color-green);
}

.mcp-detail__badge--down {
  background: rgba(244, 67, 54, 0.12);
  color: var(--color-red);
}

.mcp-detail__section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mcp-detail__section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.mcp-detail__type,
.mcp-detail__command,
.mcp-detail__url {
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: block;
  word-break: break-all;
}

.mcp-detail__args-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mcp-detail__arg {
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: block;
}

.mcp-detail__env-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
}

.mcp-detail__env-item {
  display: grid;
  grid-template-columns: minmax(150px, auto) 1fr;
  gap: 1rem;
  align-items: start;
}

.mcp-detail__env-key {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.mcp-detail__env-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  word-break: break-all;
}

.empty-state-hint {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1200px) {
  .mcp-content {
    flex-direction: column;
  }

  .mcp-servers-list {
    flex: 0 0 auto;
    max-height: 300px;
  }
}

/* ========== AGENTS PAGE ========== */

.agents-page {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
}

/* Tabs */
.agents-tabs {
  display: flex;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.agents-tab {
  padding: 0.75rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.agents-tab:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

.agents-tab--active {
  background: var(--active-bg);
  border-color: var(--active-border);
  color: var(--color-cyan);
}

.agents-tab__count {
  padding: 0.125rem 0.5rem;
  background: var(--bg-elevated);
  border-radius: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

/* Content */
.agents-content {
  display: flex;
  gap: 1.5rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Agents List (Left Sidebar) */
.agents-list {
  flex: 0 0 320px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.agent-list-item {
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.agent-list-item:hover {
  background: var(--hover-bg);
  border-color: var(--border-light);
}

.agent-list-item--selected {
  background: var(--active-bg);
  border-color: var(--active-border);
}

.agent-list-item__name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
}

.agent-list-item__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Agent Detail (Right Panel) */
.agents-detail {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.agent-detail {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.agent-detail__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.agent-detail__name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  font-family: var(--font-mono);
}

.agent-detail__badge {
  padding: 0.25rem 0.75rem;
  background: rgba(156, 39, 176, 0.12);
  color: var(--color-purple);
  border-radius: 0.375rem;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: capitalize;
}

.agent-detail__section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.agent-detail__section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.agent-detail__description {
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0;
}

.agent-detail__tools,
.agent-detail__path {
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: block;
  word-break: break-all;
}

.agent-detail__body {
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  line-height: 1.6;
  max-height: 600px;
  overflow-y: auto;
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1200px) {
  .agents-content {
    flex-direction: column;
  }

  .agents-list {
    flex: 0 0 auto;
    max-height: 300px;
  }

  .agents-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}

/* ========== ACTIVE SESSIONS PANEL ========== */

.active-sessions-panel {
  margin: 1.5rem auto;
  max-width: 1400px;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.active-sessions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.active-sessions-header h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.refresh-button {
  padding: 0.5rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.refresh-button:hover {
  background: var(--hover-bg);
  border-color: var(--border-light);
}

.active-sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.active-session-card {
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

.active-session-card:hover {
  border-color: var(--border-light);
  background: var(--hover-bg);
}

.active-session-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.active-session-dir {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-bottom: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.active-session-metrics {
  display: flex;
  gap: 1rem;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.cpu-low .metric-value {
  color: var(--color-green);
}

.cpu-medium .metric-value {
  color: var(--color-yellow);
}

.cpu-high .metric-value {
  color: var(--color-red);
}

/* Responsive */
@media (max-width: 768px) {
  .active-sessions-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== COSTS PAGE ========== */

.costs-page {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
}

/* Tabs */
.costs-tabs {
  display: flex;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.costs-tab {
  padding: 0.75rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.costs-tab:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

.costs-tab--active {
  background: var(--active-bg);
  border-color: var(--active-border);
  color: var(--color-cyan);
}

/* Overview Tab */
.costs-overview {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  overflow-y: auto;
  padding: 1rem;
}

.costs-overview__header {
  display: flex;
  justify-content: center;
  padding: 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.costs-total {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.costs-total__label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.costs-total__value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

.costs-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.costs-section__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1rem 0;
}

/* Token Breakdown */
.costs-breakdown {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.costs-breakdown__bar {
  display: flex;
  height: 40px;
  border-radius: 0.5rem;
  overflow: hidden;
  background: var(--bg-elevated);
}

.costs-breakdown__segment {
  transition: width 0.3s ease;
}

.costs-breakdown__segment--input {
  background: rgba(33, 150, 243, 0.8);
}

.costs-breakdown__segment--output {
  background: rgba(76, 175, 80, 0.8);
}

.costs-breakdown__segment--cache {
  background: rgba(255, 193, 7, 0.8);
}

.costs-breakdown__legend {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.costs-breakdown__legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.costs-breakdown__legend-color {
  width: 16px;
  height: 16px;
  border-radius: 0.25rem;
}

.costs-breakdown__legend-color--input {
  background: rgba(33, 150, 243, 0.8);
}

.costs-breakdown__legend-color--output {
  background: rgba(76, 175, 80, 0.8);
}

.costs-breakdown__legend-color--cache {
  background: rgba(255, 193, 7, 0.8);
}

/* Table */
.costs-table {
  width: 100%;
  border-collapse: collapse;
}

.costs-table thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.costs-table tbody tr {
  border-bottom: 1px solid var(--border-color);
}

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

.costs-table tbody td {
  padding: 1rem;
  color: var(--text-primary);
}

.costs-table__right {
  text-align: right;
  font-family: var(--font-mono);
}

.costs-table__highlight {
  font-weight: 600;
  color: var(--color-cyan);
}

/* By Model Tab */
.costs-by-model {
  overflow-y: auto;
  padding: 1rem;
}

.costs-by-model .costs-table tbody td code {
  background: var(--bg-elevated);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.9rem;
}

/* Daily Tab */
.costs-daily {
  overflow-y: auto;
  padding: 1rem;
}

.costs-daily__chart {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 300px;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.costs-daily__bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.costs-daily__value {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.costs-daily__bar-fill {
  width: 100%;
  background: var(--color-cyan);
  border-radius: 0.25rem 0.25rem 0 0;
  transition: height 0.3s ease;
  min-height: 2px;
}

.costs-daily__label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* Billing Blocks Tab */
.costs-billing-blocks {
  overflow-y: auto;
  padding: 1rem;
}

.billing-blocks-header {
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
}

.billing-blocks-header h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.billing-blocks-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.billing-blocks-table {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
}

.billing-block-time {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-cyan);
}

.billing-block-period {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.billing-blocks-note {
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.3);
  border-radius: 0.5rem;
}

.billing-blocks-note p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.billing-blocks-note strong {
  color: var(--text-primary);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 4rem 2rem;
  text-align: center;
}

.empty-state p {
  color: var(--text-secondary);
  margin: 0;
}

.empty-state-hint {
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

/* Responsive */
@media (max-width: 1200px) {
  .costs-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .costs-total__value {
    font-size: 2rem;
  }

  .costs-breakdown__legend {
    justify-content: center;
  }

  .costs-daily__chart {
    height: 250px;
  }
}

/* ============================================
   Analytics Tabs & Sub-views
   ============================================ */

/* Analytics Tabs Navigation */
.analytics-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.analytics-tab {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.analytics-tab:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.analytics-tab--active {
  background: var(--active-bg);
  color: var(--color-cyan);
  border-color: var(--color-cyan);
  font-weight: 600;
}

/* ============================================
   Analytics Trends Tab
   ============================================ */

.analytics-trends {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem;
}

.analytics-trends h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.trends-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.trends-chart {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  overflow-x: auto;
}

.trends-chart__grid {
  display: flex;
  gap: 0.5rem;
  height: 350px;
  align-items: flex-end;
  padding-bottom: 40px;
  position: relative;
}

.trends-chart__day {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  min-width: 25px;
  height: 100%;
}

.trends-chart__bar {
  position: absolute;
  bottom: 35px;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(33, 150, 243, 0.8), rgba(33, 150, 243, 0.6));
  border-radius: 4px 4px 0 0;
  transition: all 0.3s ease;
  z-index: 2;
}

.trends-chart__bar:hover {
  background: linear-gradient(to top, rgba(33, 150, 243, 1), rgba(33, 150, 243, 0.8));
}

.trends-chart__value {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.trends-chart__bar:hover .trends-chart__value {
  opacity: 1;
}

.trends-chart__trend {
  position: absolute;
  bottom: 35px;
  left: 0;
  right: 0;
  background: rgba(255, 193, 7, 0.2);
  border-top: 3px solid rgba(255, 193, 7, 0.9);
  border-radius: 2px 2px 0 0;
  z-index: 1;
}

.trends-chart__label {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) rotate(-45deg);
  transform-origin: center;
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.trends-legend {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-top: 1rem;
}

.trends-legend__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.trends-legend__bar {
  width: 30px;
  height: 12px;
  background: linear-gradient(to right, rgba(33, 150, 243, 0.8), rgba(33, 150, 243, 0.6));
  border-radius: 2px;
}

.trends-legend__trend {
  width: 30px;
  height: 4px;
  background: rgba(255, 193, 7, 0.3);
  border: 2px solid rgba(255, 193, 7, 0.8);
  border-radius: 2px;
}

/* ============================================
   Analytics Patterns Tab
   ============================================ */

.analytics-patterns {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1.5rem;
}

.analytics-patterns h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.patterns-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.patterns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.pattern-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all 0.2s ease;
}

.pattern-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.pattern-card h4 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pattern-metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.pattern-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-cyan);
  line-height: 1;
}

.pattern-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pattern-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.patterns-weekly {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.patterns-weekly h4 {
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.patterns-weekly p {
  margin: 0 0 1.5rem 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.weekly-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1rem;
  min-height: 200px;
  align-items: end;
}

.weekly-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.weekly-bar__fill {
  position: relative;
  width: 100%;
  min-height: 30px;
  background: linear-gradient(to top, rgba(76, 175, 80, 0.8), rgba(76, 175, 80, 0.5));
  border-radius: 4px 4px 0 0;
  display: flex;
  align-items: start;
  justify-content: center;
  padding-top: 0.5rem;
  transition: all 0.3s ease;
}

.weekly-bar__fill:hover {
  background: linear-gradient(to top, rgba(76, 175, 80, 1), rgba(76, 175, 80, 0.7));
}

.weekly-bar__value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.weekly-bar__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================
   Analytics Insights Tab
   ============================================ */

.analytics-insights {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1.5rem;
}

.analytics-insights h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.insights-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.insights-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.insight-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.insight-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.insight-icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.insight-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.insight-title {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
}

.insight-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.insights-summary {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.insights-summary h4 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.action-list {
  margin: 0;
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-list li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Responsive Analytics */
@media (max-width: 768px) {
  .analytics-tabs {
    padding: 0.75rem;
  }

  .analytics-tab {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .trends-chart__grid {
    gap: 0.25rem;
    height: 280px;
    padding-bottom: 35px;
  }

  .trends-chart__day {
    min-width: 18px;
  }

  .trends-chart__label {
    font-size: 0.6rem;
  }

  .patterns-grid {
    grid-template-columns: 1fr;
  }

  .weekly-bars {
    gap: 0.5rem;
  }

  .insight-card {
    flex-direction: column;
    gap: 0.75rem;
  }

  .insight-icon {
    font-size: 1.5rem;
  }
}

/* ============================
   Task Graph Page Styles
   ============================ */

.task-graph-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.task-graph-container .subtitle {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

.graph-content {
    margin-top: 2rem;
}

.graph-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.stat-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-value {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.graph-legend {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.graph-legend h3 {
    margin: 0 0 0.75rem 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.legend-items {
    display: flex;
    gap: 1.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #fff;
}

#d3-graph {
    position: relative;
}

#d3-graph svg {
    cursor: grab;
}

#d3-graph svg:active {
    cursor: grabbing;
}

.graph-instructions {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent-secondary);
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.graph-instructions p {
    margin: 0;
}

/* D3.js graph elements */
.links line {
    stroke-opacity: 0.6;
}

.nodes circle {
    cursor: pointer;
    transition: r 0.2s ease;
}

.nodes circle:hover {
    r: 25;
    stroke-width: 3;
}

.nodes text {
    pointer-events: none;
    user-select: none;
}

/* ==========================================================================
   PLUGINS PAGE
   ========================================================================== */

/* Page structure */
.plugins-page {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding: var(--space-xl);
  max-width: 1600px;
  margin: 0 auto;
}

.plugins-page__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.plugins-page__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0;
}

.plugins-page__subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin: 0;
}

/* Stats cards grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.stats-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  transition: border-color var(--transition-base);
}

.stats-card:hover {
  border-color: var(--border-light);
}

.stats-card__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-medium);
}

.stats-card__value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

/* Color variants for stats cards */
.stats-card--blue .stats-card__value {
  color: var(--color-blue);
}

.stats-card--green .stats-card__value {
  color: var(--color-green);
}

.stats-card--red .stats-card__value {
  color: var(--color-red);
}

.stats-card--cyan .stats-card__value {
  color: var(--color-cyan);
}

/* Three-column layout for plugin sections */
.plugins-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-lg);
}

/* Plugin column sections */
.plugins-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.plugins-column__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--border-color);
}

.plugins-column__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.plugins-column__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* Plugin item component (unified for all types) */
.plugin-item {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.plugin-item:hover {
  border-color: var(--color-cyan);
  background-color: var(--bg-elevated);
  transform: translateX(4px);
}

/* Rank badge */
.plugin-item__rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 24px;
  padding: 0 var(--space-sm);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Icon display */
.plugin-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  width: 32px;
  height: 32px;
}

/* Plugin info section */
.plugin-item__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 0;
}

.plugin-item__name {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plugin-item__type {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-medium);
}

/* Stats display */
.plugin-item__stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  margin-left: auto;
}

.plugin-item__stat-value {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

.plugin-item__stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-medium);
}

/* Cost variant (golden color) */
.plugin-item--cost .plugin-item__stat-value {
  color: var(--color-yellow);
}

/* Dead code variant (red color, no hover) */
.plugin-item--dead {
  opacity: 0.6;
}

.plugin-item--dead:hover {
  border-color: var(--color-red);
  transform: none;
}

.plugin-item--dead .plugin-item__stat-value {
  color: var(--text-muted);
}

.plugin-item--dead .plugin-item__name {
  color: var(--text-secondary);
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--text-secondary);
}

.empty-state__icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
}

.empty-state p {
  margin: 0;
  font-size: var(--text-base);
}

.empty-state__subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.empty-state--success {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-green);
  border-radius: var(--radius-md);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .plugins-columns {
    grid-template-columns: 1fr;
  }

  .plugin-item {
    grid-template-columns: auto auto 1fr auto;
  }
}

@media (max-width: 768px) {
  .plugins-page {
    padding: var(--space-md);
  }

  .plugins-page__title {
    font-size: var(--text-2xl);
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .plugin-item__name {
    font-size: var(--text-sm);
  }

  .plugin-item__stat-value {
    font-size: var(--text-lg);
  }
}

/* ========== TASK GRAPH TOOLTIP ========== */

.task-tooltip {
  display: block;
  position: fixed;
  z-index: 10000;
  background: #2a2a2a;
  border: 1px solid #444;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  padding: 0;
  min-width: 300px;
  max-width: 500px;
  pointer-events: auto;
}

.task-tooltip.hidden {
  display: none;
}

.tooltip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #333;
  background: #1e1e1e;
  border-radius: 8px 8px 0 0;
}

.tooltip-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: #00d4ff;
}

.tooltip-close-btn {
  background: none;
  border: none;
  color: #999;
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.tooltip-close-btn:hover {
  background: #3a3a3a;
  color: #fff;
}

.tooltip-content {
  padding: 12px 16px;
  max-height: 400px;
  overflow-y: auto;
}

.tooltip-section {
  margin-bottom: 12px;
}

.tooltip-section:last-child {
  margin-bottom: 0;
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.tooltip-row:last-child {
  margin-bottom: 0;
}

.tooltip-label {
  font-weight: 600;
  color: #999;
  font-size: 12px;
  margin-right: 12px;
  min-width: 80px;
}

.tooltip-value {
  color: #e0e0e0;
  font-size: 12px;
  text-align: right;
  flex: 1;
}

.tooltip-value code {
  background: #1a1a1a;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 11px;
}

.tooltip-value a {
  color: #00d4ff;
  text-decoration: none;
}

.tooltip-value a:hover {
  text-decoration: underline;
}

.tooltip-value.status-complete {
  color: #4CAF50;
  font-weight: 600;
}

.tooltip-value.status-inprogress {
  color: #FFC107;
  font-weight: 600;
}

.tooltip-value.status-future {
  color: #666;
  font-weight: 600;
}

.tooltip-description {
  border-top: 1px solid #333;
  padding-top: 12px;
  margin-top: 12px;
}

.tooltip-description .tooltip-label {
  display: block;
  margin-bottom: 6px;
  min-width: auto;
}

.tooltip-description .tooltip-value {
  text-align: left;
  line-height: 1.5;
  color: #999;
  white-space: pre-wrap;
}

.tooltip-content::-webkit-scrollbar {
  width: 8px;
}

.tooltip-content::-webkit-scrollbar-track {
  background: #1e1e1e;
  border-radius: 4px;
}

.tooltip-content::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 4px;
}

.tooltip-content::-webkit-scrollbar-thumb:hover {
  background: #666;
}


/* ─── Activity / Security Audit ─────────────────────────────────────────── */

.activity-page .page-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

/* Summary stat cards */
.activity-summary {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  flex: 0 0 auto;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: 1px solid #2d3748;
  background: #161b22;
  text-align: center;
  min-width: 100px;
}

.stat-card__value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.stat-card__label {
  font-size: 0.75rem;
  color: #8b949e;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card--critical { border-color: #dc2626; }
.stat-card--critical .stat-card__value { color: #ef4444; }

.stat-card--warning { border-color: #d97706; }
.stat-card--warning .stat-card__value { color: #f59e0b; }

.stat-card--info { border-color: #2563eb; }
.stat-card--info .stat-card__value { color: #60a5fa; }

/* Filter buttons */
.activity-filters {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.activity-filters__label {
  color: #8b949e;
  font-size: 0.875rem;
}

.filter-btn {
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  border: 1px solid #30363d;
  background: #161b22;
  color: #c9d1d9;
  cursor: pointer;
  font-size: 0.8125rem;
  transition: border-color 0.15s, background 0.15s;
}

.filter-btn:hover {
  border-color: #50e3c2;
  background: #1c2a3a;
}

.filter-btn--active {
  border-color: #50e3c2;
  background: #0d2137;
  color: #50e3c2;
  font-weight: 600;
}

/* Severity badge */
.severity-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.severity-badge--critical {
  background: rgba(220, 38, 38, 0.2);
  color: #ef4444;
  border: 1px solid rgba(220, 38, 38, 0.4);
}

.severity-badge--warning {
  background: rgba(217, 119, 6, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(217, 119, 6, 0.4);
}

.severity-badge--info {
  background: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(37, 99, 235, 0.4);
}

/* Violations list */
.violations-list {
  border: 1px solid #30363d;
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.875rem;
}

.violations-list__header {
  display: grid;
  grid-template-columns: 90px 160px 90px 1fr 140px 36px;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: #0d1117;
  border-bottom: 1px solid #30363d;
  color: #8b949e;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Violation row */
.violation-row {
  border-bottom: 1px solid #21262d;
  transition: background 0.1s;
}

.violation-row:last-child {
  border-bottom: none;
}

.violation-row:hover {
  background: #161b22;
}

.violation-row__main {
  display: grid;
  grid-template-columns: 90px 160px 90px 1fr 140px 36px;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  align-items: center;
}

.violation-row__category {
  color: #c9d1d9;
  font-size: 0.8125rem;
}

.violation-row__session {
  font-family: monospace;
  font-size: 0.75rem;
  color: #8b949e;
}

.violation-row__detail {
  color: #c9d1d9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.violation-row__ts {
  color: #8b949e;
  font-size: 0.75rem;
  white-space: nowrap;
}

.violation-row__hint-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid #30363d;
  background: transparent;
  color: #8b949e;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, color 0.15s;
}

.violation-row__hint-btn:hover {
  border-color: #50e3c2;
  color: #50e3c2;
}

.violation-row__hint {
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  background: #0d1117;
  color: #8b949e;
  font-size: 0.8125rem;
  border-top: 1px solid #21262d;
}

/* Empty / error states */
.empty-state {
  padding: 3rem;
  text-align: center;
  color: #8b949e;
}

.empty-state__hint {
  font-size: 0.875rem;
  margin-top: 0.5rem;
  color: #6e7681;
}

.error-state {
  padding: 2rem;
  color: #ef4444;
  text-align: center;
}

/* ─── Analytics — Tools / Cost Optimization ──────────────────────────────── */

.analytics-tools {
  padding: 1.5rem 0;
}

.analytics-tools h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #e6edf3;
  margin-bottom: 0.25rem;
}

.tools-description {
  color: #8b949e;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.suggestions-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.suggestion-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  transition: border-color 0.15s;
}

.suggestion-card:hover {
  border-color: #50e3c2;
}

.suggestion-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.suggestion-title {
  font-weight: 600;
  color: #e6edf3;
  font-size: 0.9375rem;
  flex: 1;
}

.suggestion-category {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(80, 227, 194, 0.1);
  color: #50e3c2;
  border: 1px solid rgba(80, 227, 194, 0.25);
}

.suggestion-savings {
  font-size: 0.875rem;
  font-weight: 600;
  color: #3fb950;
  white-space: nowrap;
}

.suggestion-description {
  color: #8b949e;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.suggestion-action {
  font-size: 0.8125rem;
  color: #c9d1d9;
}

.suggestion-action strong,
.suggestion-action b {
  color: #50e3c2;
}

/* "63 suggestions" summary line */
.tools-summary {
  font-size: 0.8125rem;
  color: #8b949e;
  margin-bottom: 1rem;
}

/* ─── Analytics — Insights summary ───────────────────────────────────────── */

.insights-summary {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

/* ─── Analytics — metrics summary strip ──────────────────────────────────── */

.metrics-summary {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

/* ─── Analytics — section headers ────────────────────────────────────────── */

.section-header {
  font-size: 0.75rem;
  font-weight: 600;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

/* ─── Loading / spinner ───────────────────────────────────────────────────── */

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem;
  color: #8b949e;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid #30363d;
  border-top-color: #50e3c2;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ─── Error state ─────────────────────────────────────────────────────────── */

.error-state {
  padding: 2rem;
  text-align: center;
}

.error-message {
  color: #ef4444;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.error-details {
  color: #8b949e;
  font-size: 0.875rem;
}

/* ─── Forecast section ────────────────────────────────────────────────────── */

.forecast-section {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #21262d;
}

/* ─── Breakdown sections ──────────────────────────────────────────────────── */

.breakdown-section {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.breakdown-left,
.breakdown-right {
  flex: 1;
}

/* ─── Action list ─────────────────────────────────────────────────────────── */

.action-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.action-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #c9d1d9;
}