/* ============================================================
   Hermes Admin UI — Premium Dark Console
   Complete Style System
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES — DARK THEME (default :root)
   ============================================================ */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Backgrounds */
  --bg-primary: #0c0e16;
  --bg-secondary: #12141f;
  --bg-tertiary: #1a1d2b;
  --bg-hover: #1e2235;
  --bg-active: #252a42;
  --bg-input: #0f1119;

  /* Borders */
  --border: #1f2235;
  --border-light: #181b2a;

  /* Text */
  --text-primary: #e2e5f0;
  --text-secondary: #8890a8;
  --text-muted: #6b7389;

  /* Accent */
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-dim: rgba(99, 102, 241, 0.12);
  --accent-glow: rgba(99, 102, 241, 0.25);
  --accent-muted: rgba(99, 102, 241, 0.2);

  /* Semantic */
  --teal: #06b6d4;
  --teal-dim: rgba(6, 182, 212, 0.12);
  --green: #10b981;
  --green-dim: rgba(16, 185, 129, 0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.12);

  /* Spacing & Radius */
  --radius-sm: 8px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  /* Shadows */
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);

  /* Transition */
  --transition: 0.2s ease;

  /* Sidebar */
  --sidebar-width: 260px;
  --sidebar-collapsed: 64px;
}

/* ============================================================
   1b. CSS CUSTOM PROPERTIES — LIGHT THEME
   ============================================================ */
[data-theme="light"] {
  --bg-primary: #f4f5fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #ebeef6;
  --bg-hover: #e2e5f0;
  --bg-active: #d5d9e8;
  --bg-input: #f4f5fa;
  --border: #d9dce8;
  --border-light: #e5e8f0;
  --text-primary: #1a1d2e;
  --text-secondary: #5c6080;
  --text-muted: #8890a8;
  --accent-dim: rgba(99, 102, 241, 0.08);
  --accent-glow: rgba(99, 102, 241, 0.15);
  --teal-dim: rgba(6, 182, 212, 0.08);
  --green-dim: rgba(16, 185, 129, 0.08);
  --amber-dim: rgba(245, 158, 11, 0.08);
  --red-dim: rgba(239, 68, 68, 0.08);
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* ============================================================
   1c. CSS CUSTOM PROPERTIES — SYSTEM THEME
   ============================================================ */
[data-theme="system"] {
  --bg-primary: #0c0e16;
  --bg-secondary: #12141f;
  --bg-tertiary: #1a1d2b;
  --bg-hover: #1e2235;
  --bg-active: #252a42;
  --bg-input: #0f1119;
  --border: #1f2235;
  --border-light: #181b2a;
  --text-primary: #e2e5f0;
  --text-secondary: #8890a8;
  --text-muted: #6b7389;
  --accent-dim: rgba(99, 102, 241, 0.12);
  --accent-glow: rgba(99, 102, 241, 0.25);
  --teal-dim: rgba(6, 182, 212, 0.12);
  --green-dim: rgba(16, 185, 129, 0.12);
  --amber-dim: rgba(245, 158, 11, 0.12);
  --red-dim: rgba(239, 68, 68, 0.12);
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.theme-chooser {
  display: flex;
  gap: 4px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 4px;
}

.theme-btn {
  flex: 1;
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s, color 0.15s;
}

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

.theme-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}

@media (prefers-color-scheme: light) {
  [data-theme="system"] {
    --bg-primary: #f4f5fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #ebeef6;
    --bg-hover: #e2e5f0;
    --bg-active: #d5d9e8;
    --bg-input: #f4f5fa;
    --border: #d9dce8;
    --border-light: #e5e8f0;
    --text-primary: #1a1d2e;
    --text-secondary: #5c6080;
    --text-muted: #8890a8;
    --accent-dim: rgba(99, 102, 241, 0.08);
    --accent-glow: rgba(99, 102, 241, 0.15);
    --teal-dim: rgba(6, 182, 212, 0.08);
    --green-dim: rgba(16, 185, 129, 0.08);
    --amber-dim: rgba(245, 158, 11, 0.08);
    --red-dim: rgba(239, 68, 68, 0.08);
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  }
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow: hidden;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
h4 { font-size: 16px; }
h5 { font-size: 14px; }

p {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

img {
  max-width: 100%;
  display: block;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font-size: inherit;
}

input,
textarea,
select {
  font-family: var(--font);
  font-size: inherit;
  color: var(--text-primary);
}

ul, ol {
  list-style: none;
}

code, pre, kbd {
  font-family: var(--font-mono);
}

pre {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.5;
}

code {
  background: var(--bg-tertiary);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

::selection {
  background: var(--accent-dim);
  color: var(--text-primary);
}

/* ============================================================
   3. SCROLLBARS
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

/* ============================================================
   4. LAYOUT (#app)
   ============================================================ */
#app {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* ============================================================
   5. SIDEBAR (#sidebar)
   ============================================================ */
#sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}

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

/* Sidebar Header / Logo */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  height: 60px;
  min-height: 60px;
  flex-shrink: 0;
  overflow: visible;
  box-sizing: border-box;
  position: relative;
  z-index: 10;
}

.sidebar-header .logo {
  display: flex;
  align-items: center;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.sidebar-header .sidebar-collapse-btn {
  flex-shrink: 0;
  position: relative;
  z-index: 11;
  width: 30px;
  height: 30px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}

#sidebar.collapsed .sidebar-header {
  justify-content: center;
  padding: 13px 8px;
  gap: 0;
}
#sidebar.collapsed .logo {
  display: none;
}

.logo-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--accent);
}

.logo-text {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition);
}

#sidebar.collapsed .logo-text,
#sidebar.collapsed .nav-group-title,
#sidebar.collapsed .nav-label,
#sidebar.collapsed .sidebar-footer-text,
#sidebar.collapsed .sidebar-folder-tree,
#sidebar.collapsed .nav-tree-action {
  opacity: 0;
  pointer-events: none;
  width: 0;
  overflow: hidden;
}

/* Collapse button must ALWAYS be visible and centered when collapsed */
.sidebar-collapse-btn {
  flex-shrink: 0;
  transition: transform 0.2s;
}
#sidebar.collapsed .sidebar-collapse-btn {
  opacity: 1 !important;
  pointer-events: auto !important;
  width: auto !important;
}
#sidebar.collapsed .collapse-arrow {
  transform: rotate(180deg);
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 10px;
}

.nav-group {
  margin-bottom: 8px;
}

.nav-tree-group {
  margin-bottom: 6px;
}

.nav-tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-group-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 14px 6px;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
  margin-bottom: 2px;
  text-decoration: none;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
}

.nav-tree-trigger {
  flex: 1;
  min-width: 0;
}

.nav-tree-action {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--text-muted);
}

.nav-tree-action:hover {
  color: var(--text-primary);
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

#sidebar.collapsed .nav-item.active::before {
  width: 24px;
  height: 3px;
  border-radius: 3px;
  top: auto;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-icon svg {
  width: 18px;
  height: 18px;
}

.nav-label {
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition);
}

.sidebar-folder-tree {
  margin: 2px 0 6px 10px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.sidebar-folder-tree.hidden {
  display: none;
}

.sidebar-folder-node {
  margin-bottom: 4px;
}

.sidebar-folder-node-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sidebar-folder-node-target {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.sidebar-folder-node-target:hover,
.sidebar-folder-chat:hover,
.sidebar-folder-ungrouped-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-folder-node-target.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.sidebar-folder-name {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-folder-name-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sidebar-folder-duplicate-meta {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-folder-count {
  font-size: 10px;
  color: var(--text-muted);
}

.sidebar-folder-toggle {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.sidebar-folder-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition);
}

.sidebar-folder-node-row:hover .sidebar-folder-actions {
  opacity: 1;
}

.sidebar-folder-children {
  margin-left: 14px;
  padding-left: 8px;
}

.sidebar-folder-children.hidden {
  display: none;
}

.sidebar-folder-chat-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sidebar-folder-chat,
.sidebar-folder-ungrouped-btn {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  margin-top: 2px;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}

.sidebar-folder-chat.active {
  background: rgba(90, 147, 255, 0.12);
  color: var(--accent);
}

.sidebar-folder-ungrouped-btn.active {
  background: rgba(90, 147, 255, 0.12);
  color: var(--accent);
}

.sidebar-folder-chat-delete {
  opacity: 0;
  color: var(--text-muted);
  transition: opacity var(--transition);
}

.sidebar-folder-chat-row:hover .sidebar-folder-chat-delete {
  opacity: 1;
}

.sidebar-folder-chat.dragging {
  opacity: 0.55;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer-text {
  transition: opacity var(--transition);
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-version {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Sidebar Toggle (mobile overlay) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
  display: block;
}

/* ============================================================
   6. MAIN CONTENT AREA (#main-wrapper)
   ============================================================ */
#main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  transition: margin-left var(--transition);
}

#main-wrapper.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
}

/* ============================================================
   7. TOPBAR (#topbar)
   ============================================================ */
#topbar {
  height: 48px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  z-index: 50;
  flex-shrink: 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  max-width: 420px;
  margin: 0 24px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Menu toggle button (hamburger) */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.menu-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ============================================================
   8. SEARCH INPUT STYLING
   ============================================================ */
.search-wrapper {
  position: relative;
  width: 100%;
}

.search-wrapper .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.search-wrapper .search-icon svg {
  width: 16px;
  height: 16px;
}

#search-input,
.search-input {
  width: 100%;
  height: 38px;
  padding: 0 14px 0 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: all var(--transition);
}

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

#search-input:focus,
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--bg-input);
}

/* ============================================================
   9. CONTENT AREA (#content.content-area)
   ============================================================ */
#content,
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  min-width: 0;
}

/* ============================================================
   10. PAGE HEADER (.page-header)
   ============================================================ */
.page-header {
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

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

.page-breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.page-breadcrumb a:hover {
  color: var(--accent);
}

.page-breadcrumb .separator {
  color: var(--border);
  font-size: 10px;
}

.page-title,
.page-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0;
}

.page-subtitle,
.page-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  margin-bottom: 0;
}

/* ============================================================
   11. CARDS (.card, .card-header, .card-body)
   ============================================================ */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 20px;
}

.card-body.no-padding {
  padding: 0;
}

.global-status-banner {
  padding: 12px 20px 0;
}

.update-banner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  box-shadow: var(--shadow);
}

.update-banner.status-update_available {
  border-color: rgba(245, 158, 11, 0.32);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.14), var(--bg-secondary));
}

.update-banner.status-update_in_progress {
  border-color: rgba(6, 182, 212, 0.32);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.14), var(--bg-secondary));
}

.update-banner.status-update_failed,
.update-banner.status-unknown_latest {
  border-color: rgba(239, 68, 68, 0.28);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.12), var(--bg-secondary));
}

.update-banner-copy {
  flex: 1;
  min-width: 0;
}

.update-banner-copy h3 {
  font-size: 14px;
  margin-bottom: 4px;
}

.update-banner-copy p {
  margin-bottom: 0;
}

.update-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.update-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.update-card-item {
  min-width: 0;
}

.update-card-item code,
.update-card-command code {
  word-break: break-word;
}

.update-card-item-label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.update-card-item-value {
  color: var(--text-primary);
  line-height: 1.5;
}

.update-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.update-card-command {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
}

.update-log-panel {
  margin-top: 16px;
}

.update-log-panel pre {
  max-height: 260px;
  margin-top: 8px;
  white-space: pre-wrap;
}

@media (max-width: 900px) {
  .update-banner {
    flex-direction: column;
  }

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

  .update-card-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   12. STATS GRID (.stats-grid, .stat-card, .stat-value, .stat-label)
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: var(--bg-active);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

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

.stat-card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card-icon.accent {
  background: var(--accent-dim);
  color: var(--accent);
}

.stat-card-icon.teal {
  background: var(--teal-dim);
  color: var(--teal);
}

.stat-card-icon.green {
  background: var(--green-dim);
  color: var(--green);
}

.stat-card-icon.amber {
  background: var(--amber-dim);
  color: var(--amber);
}

.stat-card-icon.red {
  background: var(--red-dim);
  color: var(--red);
}

.stat-card-change {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 3px;
}

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

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

.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================
   13. FORMS (.form-group, .form-label, .form-input, .form-select, .form-textarea)
   ============================================================ */
.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-input.mono,
.form-textarea.mono {
  font-family: var(--font-mono);
  font-size: 13px;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23545a72' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-label-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: normal;
  margin-left: 6px;
}

.form-error {
  font-size: 12px;
  color: var(--red);
  margin-top: 4px;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-dim);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Checkbox & Radio */
.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
}

.form-checkbox input[type="checkbox"],
.form-checkbox input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ============================================================
   14. TOGGLES (.toggle-switch, .toggle-slider)
   ============================================================ */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--bg-active);
  border-radius: 22px;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  bottom: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(18px);
  background: var(--accent);
}

.toggle-switch input:focus + .toggle-slider {
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.toggle-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}

/* ============================================================
   15. BUTTONS (.btn, .btn-primary, .btn-danger, .btn-success, .btn-sm, .btn-icon, .btn-ghost)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  user-select: none;
  line-height: 1.4;
  text-decoration: none;
}

.btn-loading {
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
}

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

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

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-selection {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-selection:hover {
  background: var(--accent-muted);
  border-color: var(--accent-hover);
  color: var(--accent-hover);
}

.btn-danger {
  background: var(--red-dim);
  border-color: var(--red);
  color: var(--red);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--red);
}

.btn-success {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}

.btn-success:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--green);
}

.btn-warning {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber);
}

.btn-warning:hover {
  background: rgba(245, 158, 11, 0.2);
}

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

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

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 6px;
}

.btn-lg {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-icon {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  vertical-align: middle;
  box-sizing: border-box;
}

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

.btn-icon svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   16. TABLES (.table-container, .table)
   ============================================================ */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

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

.table thead {
  background: var(--bg-tertiary);
}

.table th {
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

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

.table tbody tr {
  transition: background var(--transition);
}

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

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

.table .mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

@media (max-width: 1180px) {
  .skill-table thead {
    display: none;
  }

  .skill-table,
  .skill-table tbody,
  .skill-table tr,
  .skill-table td {
    display: block;
    width: 100%;
  }

  .skill-table tbody tr {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
  }

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

  .skill-table td {
    border-bottom: none;
    padding: 6px 0;
  }

  .skill-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
  }
}

/* ============================================================
   17. BADGES (.badge, .badge-success, .badge-danger, .badge-warning, .badge-info)
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 6px;
  white-space: nowrap;
  line-height: 1.4;
}

.badge-default {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.badge-success {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-danger {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-warning {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-info {
  background: var(--teal-dim);
  color: var(--teal);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.badge-accent {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

/* ============================================================
   18. TABS (.tabs, .tab, .tab-pane)
   ============================================================ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  padding: 0;
  margin-bottom: 20px;
}

.tab {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  user-select: none;
  white-space: nowrap;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab:hover {
  color: var(--text-secondary);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

/* ============================================================
   19. MODAL (.modal-overlay, .modal, .modal-header, .modal-body, .modal-footer)
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  animation: modalIn 0.25s ease;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-light);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  padding: 22px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 22px;
  border-top: 1px solid var(--border-light);
  overflow: hidden;
}

.modal-footer .btn {
  max-width: 100%;
}

/* ============================================================
   20. TOAST (.toast-container, .toast)
   ============================================================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  color: var(--text-primary);
  pointer-events: auto;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.toast-success {
  border-left: 3px solid var(--green);
}

.toast.toast-danger {
  border-left: 3px solid var(--red);
}

.toast.toast-warning {
  border-left: 3px solid var(--amber);
}

.toast.toast-info {
  border-left: 3px solid var(--teal);
}

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.toast-message {
  flex: 1;
  line-height: 1.4;
}

.toast-close {
  flex-shrink: 0;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
  transition: color var(--transition);
}

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

/* ============================================================
   21. STATUS INDICATORS (.status-indicator, .status-dot)
   ============================================================ */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.online,
.status-dot.connected,
.status-dot.active,
.status-dot.healthy {
  background: var(--green);
  box-shadow: 0 0 6px var(--green-dim);
}

.status-dot.offline,
.status-dot.disconnected,
.status-dot.error {
  background: var(--red);
  box-shadow: 0 0 6px var(--red-dim);
}

.status-dot.warning,
.status-dot.degraded {
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber-dim);
  animation: amberPulse 2.5s ease-in-out infinite;
}

@keyframes amberPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--amber-dim); }
  50% { opacity: 0.7; box-shadow: 0 0 3px var(--amber-dim); }
}

.status-dot.idle,
.status-dot.pending {
  background: var(--text-muted);
}

.status-dot.loading {
  background: var(--accent);
  animation: statusPulse 1.5s ease infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================================================
   22. SECTION HEADERS (.section-header)
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.section-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   23. EMPTY STATE (.empty-state)
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  color: var(--text-muted);
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 320px;
  margin-bottom: 16px;
}

/* ============================================================
   24. LOADING (.loading, .spinner)
   ============================================================ */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

.loading-text {
  margin-left: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

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

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
  width: 100%;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-heading {
  height: 22px;
  margin-bottom: 12px;
  width: 40%;
}

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

/* ============================================================
   25. UTILITY CLASSES
   ============================================================ */
.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

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

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

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

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

.flex-1 {
  flex: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

.gap-4 { gap: 4px; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-0 { padding: 0; }
.p-8 { padding: 8px; }
.p-12 { padding: 12px; }
.p-16 { padding: 16px; }
.p-24 { padding: 24px; }

.text-muted {
  color: var(--text-muted);
}

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

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

.text-primary {
  color: var(--text-primary);
}

.text-accent {
  color: var(--accent);
}

.text-teal {
  color: var(--teal);
}

.text-green {
  color: var(--green);
}

.text-amber {
  color: var(--amber);
}

.text-red {
  color: var(--red);
}

.text-sm {
  font-size: 12px;
}

.text-xs {
  font-size: 11px;
}

.text-lg {
  font-size: 16px;
}

.text-xl {
  font-size: 18px;
}

.font-mono {
  font-family: var(--font-mono);
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.font-extrabold {
  font-weight: 800;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.min-w-0 {
  min-width: 0;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

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

.text-right {
  text-align: right;
}

.cursor-pointer {
  cursor: pointer;
}

.select-none {
  user-select: none;
}

.rounded-lg {
  border-radius: var(--radius-sm);
}

.rounded-xl {
  border-radius: var(--radius);
}

.border-b {
  border-bottom: 1px solid var(--border-light);
}

/* Key, token, path, URL, version styling */
.key, .token, .url, .path, .version {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ============================================================
   26. CHAT SCREEN
   ============================================================ */

/* ═══════════════════════════════════════════════════════════════
   CHAT LAYOUT (with history sidebar)
   ═══════════════════════════════════════════════════════════════ */

.chat-layout {
  display: flex;
  height: 100vh;
  width: 100%;
  min-height: 0;
  overflow: hidden;
}

.chat-history {
  width: 260px;
  min-width: 260px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width 0.2s, min-width 0.2s, opacity 0.2s;
  overflow: hidden;
}

.chat-history.collapsed {
  width: 44px;
  min-width: 44px;
  opacity: 1;
  border-right: 1px solid var(--border);
  overflow: visible;
}

/* When collapsed, hide everything except the toggle button */
.chat-history.collapsed .chat-history-header > span,
.chat-history.collapsed .chat-history-actions > .btn-icon:first-child,
.chat-history.collapsed .chat-history-list {
  display: none;
}

/* Show only the toggle button in collapsed state */
.chat-history.collapsed .chat-history-header {
  justify-content: center;
  padding: 8px 6px;
}

.chat-history.collapsed .chat-history-actions {
  justify-content: center;
  width: 100%;
  flex: unset;
}

/* When main sidebar is collapsed, chat history expands to full width */
#main-wrapper.sidebar-collapsed .chat-history {
  width: 260px;
  min-width: 260px;
}

.chat-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  height: 48px;
  min-height: 48px;
  overflow: visible;
  gap: 6px;
  box-sizing: border-box;
  position: relative;
  z-index: 5;
}

.chat-history-header > span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-history-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.chat-history-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px 12px;
}

.chat-history-list::-webkit-scrollbar { width: 4px; }
.chat-history-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.chat-history-empty {
  text-align: center;
  padding: 24px 12px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.chat-history-group {
  margin-bottom: 12px;
}

.chat-history-group-title {
  padding: 6px 10px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.chat-history-group-title-btn {
  width: 100%;
  border: none;
  background: transparent;
  padding: 6px 10px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  cursor: pointer;
}

.chat-history-group-title-btn:hover {
  color: var(--text-primary);
}

.chat-folder-tree {
  margin-bottom: 8px;
}

.chat-folder-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 6px 8px;
  border-radius: 10px;
}

.chat-folder-row.active {
  background: rgba(90, 147, 255, 0.08);
}

.chat-folder-toggle {
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.chat-folder-toggle:hover,
.chat-folder-main:hover {
  background: var(--bg-secondary);
}

.chat-folder-main {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
}

.chat-folder-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-folder-meta {
  margin-top: 2px;
  font-size: 10px;
  color: var(--text-muted);
}

.chat-folder-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s;
}

.chat-folder-row:hover .chat-folder-actions {
  opacity: 1;
}

.chat-folder-children {
  margin-left: 18px;
}

.chat-folder-children.hidden {
  display: none;
}

.chat-history-item {
  padding: 10px 52px 10px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 2px;
  position: relative;
  overflow: visible;
}

.chat-history-item:hover {
  background: var(--bg-secondary);
}

.chat-history-item.active {
  background: var(--accent-muted, rgba(99, 102, 241, 0.1));
  border: 1px solid var(--accent-dim, rgba(99, 102, 241, 0.2));
}

.chat-history-item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 0;
}

.chat-history-item-preview {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 3px;
}

.chat-history-item-meta {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 3px;
}

.chat-history-item-actions {
  position: absolute;
  top: 7px;
  right: 8px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 1;
}

.chat-history-item:hover .chat-history-item-actions {
  opacity: 1;
}

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
}

/* Welcome hint */
.chat-welcome-hint {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ═══════════════════════════════════════════════════════════════
   CHAT CONTAINER — full height layout
   ═══════════════════════════════════════════════════════════════ */

.chat-container, .chat-main {
  display: flex;
  flex-direction: column;
  height: 100vh;
  margin: -24px;
  background: var(--bg-primary);
}

/* Hide the global topbar when chat is active */
#topbar.hidden-by-chat {
  display: none;
  height: 0;
  min-height: 0;
  overflow: hidden;
  border: none;
  padding: 0;
}

/* Chat Header */
.chat-header {
  display: none;
}

.chat-header-left {
  display: flex;
  align-items: center;
  overflow: hidden;
  gap: 6px;
  padding: 0;
  box-sizing: border-box;
  min-width: 0;
  flex: 1;
}

.chat-header-right {
  display: flex;
  align-items: center;
  overflow: hidden;
  gap: 4px;
  padding: 0;
  box-sizing: border-box;
  min-width: 0;
  flex-shrink: 0;
}

.chat-select {
  height: 32px;
  padding: 0 28px 0 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font);
  font-weight: 500;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23545a72' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: all var(--transition);
}

.chat-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* Chat Mode Tabs */
.chat-mode-tabs {
  display: flex;
  flex-direction: row;
  padding: 0 24px;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  background: transparent;
  flex-shrink: 0;
}

.chat-mode-tab {
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font);
  border-radius: 8px 8px 0 0;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  user-select: none;
  white-space: nowrap;
}

.chat-mode-tab:hover {
  color: var(--text-secondary);
  background: var(--bg-hover);
}

.chat-mode-tab.active {
  color: var(--teal);
  background: var(--teal-dim);
  border-bottom: 2px solid var(--teal);
}

/* Chat Transcript */
.chat-transcript {
  flex: 1;
  overflow-y: auto;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
}

.chat-transcript-inner {
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

.chat-session-banner {
  margin: 16px auto 0;
  max-width: 780px;
  width: calc(100% - 48px);
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  background: var(--bg-secondary);
}

.chat-session-banner-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chat-session-banner-copy {
  margin-top: 8px;
}

.chat-session-banner.success {
  border-color: rgba(56, 173, 86, 0.35);
  background: rgba(56, 173, 86, 0.12);
  color: var(--text-primary);
}

.chat-session-banner.warning {
  border-color: rgba(235, 164, 52, 0.35);
  background: rgba(235, 164, 52, 0.12);
  color: var(--text-primary);
}

.chat-msg-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.chat-context-panel {
  margin: 12px auto 0;
  max-width: 780px;
  width: calc(100% - 48px);
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(18, 22, 33, 0.7);
}

.chat-context-panel.empty {
  background: rgba(18, 22, 33, 0.45);
}

.chat-context-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.chat-context-panel-subtitle {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

.chat-folder-heading-btn {
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
}

.chat-folder-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.chat-context-section {
  margin-top: 12px;
}

.chat-context-label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.chat-context-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chat-context-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-context-empty {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.chat-folder-chatlist,
.chat-folder-overview-chatlist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chat-folder-chat-entry {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chat-folder-chat-pill {
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  cursor: pointer;
}

.chat-folder-chat-pill.active,
.chat-folder-chat-pill:hover {
  color: var(--text-primary);
  border-color: var(--accent-dim);
  background: rgba(90, 147, 255, 0.12);
}

.chat-folder-chat-delete {
  color: var(--text-muted);
}

.chat-folder-overview {
  max-width: 780px;
  margin: 32px auto;
  padding: 0 24px 24px;
}

.chat-folder-overview-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.chat-folder-overview-subtitle {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.chat-folder-overview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.chat-folder-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.chat-folder-overview-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: rgba(18, 22, 33, 0.58);
}

.chat-folder-overview-card-title {
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.chat-modal-chip-list {
  max-height: 180px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-modal-source-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 12px;
  color: var(--text-secondary);
  word-break: break-word;
}

.chat-folder-add-actions,
.folder-admin-grid {
  display: grid;
  gap: 12px;
}

.chat-folder-add-actions {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.folder-admin-header {
  align-items: center;
  gap: 12px;
}

.folder-admin-main {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px 0;
  text-align: left;
}

.folder-admin-main:hover .folder-admin-title,
.folder-admin-main:hover .folder-admin-toggle {
  color: var(--accent);
}

.folder-admin-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.folder-admin-title {
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
}

.folder-admin-title-wrap {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.folder-admin-duplicate-meta {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

.folder-admin-summary {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.folder-admin-actions {
  flex-shrink: 0;
}

.folder-admin-subtitle {
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* Chat Messages */
.chat-msg {
  padding: 8px 0;
  animation: chatFadeIn 0.3s ease;
}

.chat-msg-inner {
  display: flex;
  gap: 10px;
  padding: 8px 32px;
  max-width: 780px;
  margin: 0 auto;
}

.chat-msg.user .chat-msg-inner {
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 14px;
}

.chat-msg.user .chat-msg-avatar {
  background: var(--accent-dim);
  color: var(--accent);
}

.chat-msg-content {
  max-width: 85%;
  min-width: 0;
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.chat-bubble ul,
.chat-bubble ol {
  margin: 8px 0;
  padding-left: 22px;
  list-style-position: outside;
}

.chat-bubble ul {
  list-style: disc;
}

.chat-bubble ol {
  list-style: decimal;
}

.chat-bubble li {
  margin: 4px 0;
}

.chat-msg.assistant .chat-bubble {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-bottom-left-radius: 4px;
}

.chat-msg.user .chat-bubble {
  background: var(--accent-dim);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-bottom-right-radius: 4px;
}

/* Code blocks inside chat bubbles */
.chat-bubble pre {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin: 8px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
}

.chat-bubble code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
}

.chat-bubble pre code {
  background: none;
  border: none;
  padding: 0;
  border-radius: 0;
}

/* Code block wrapper for copy button positioning */
.code-wrapper {
  position: relative;
  margin: 8px 0;
}
.code-wrapper pre.code-block {
  margin: 0;
}
.code-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 11px;
  padding: 3px 8px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
  z-index: 1;
}
.code-wrapper:hover .code-copy-btn,
.code-copy-btn:focus {
  opacity: 1;
}
.code-copy-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
}

/* Message time */
.chat-msg-time {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
  padding: 0 32px;
}

.chat-msg.user .chat-msg-time {
  text-align: right;
}

/* Chat Thinking Indicator */
.chat-thinking {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 32px;
  max-width: 780px;
  margin: 0 auto;
  animation: chatFadeIn 0.3s ease;
}

.chat-thinking-bubble {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}

.chat-thinking-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.chat-thinking-text {
  font-style: italic;
}

.chat-thinking-ellipsis::after {
  content: '';
  animation: chatEllipsis 1.5s infinite;
}

@keyframes chatEllipsis {
  0%   { content: ''; }
  25%  { content: '.'; }
  50%  { content: '..'; }
  75%  { content: '...'; }
  100% { content: ''; }
}

.chat-stop-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  margin-left: 4px;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}

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

/* Send button becomes stop button when thinking */
.chat-send-btn.chat-stop-state {
  background: var(--accent-dim) !important;
  border-color: var(--accent) !important;
}

.chat-send-btn.chat-stop-state svg {
  opacity: 0.8;
}

/* Copy message button */
.chat-bubble {
  position: relative;
}

.chat-bubble-content {
  /* wrapper for content + copy button positioning */
}

.chat-msg-copy {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
  flex-shrink: 0;
}

.chat-msg:hover .chat-msg-copy {
  opacity: 1;
}

.chat-msg-copy:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.chat-msg-copy.copied {
  opacity: 1;
  color: var(--accent);
  border-color: var(--accent);
}

/* Chat Composer */
.chat-composer {
  flex-shrink: 0;
  padding: 12px 24px 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.chat-composer-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 8px 12px;
  transition: all var(--transition);
}

.chat-composer-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 0 24px var(--accent-glow);
}

.chat-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

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

.chat-btn svg {
  width: 18px;
  height: 18px;
}

.chat-btn.recording {
  color: var(--red);
  animation: voicePulse 1.5s ease infinite;
}

#chat-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  resize: none;
  outline: none;
  padding: 4px 0;
  max-height: 300px;
  min-height: 24px;
  line-height: 1.5;
  overflow-y: auto;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

#chat-input::placeholder {
  color: var(--text-muted);
}

.chat-send-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  border: none;
  color: #ffffff;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
  box-shadow: 0 0 20px var(--accent-glow);
  transform: scale(1.05);
}

.chat-send-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.chat-send-btn svg {
  width: 18px;
  height: 18px;
}

/* Composer footer */
.chat-composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 6px 6px 0;
  gap: 8px;
}

.chat-transport-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 100%;
  min-width: 0;
  order: 1;
}

.chat-transport-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.chat-transport-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.chat-transport-buttons {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-primary);
}

.chat-transport-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.15s;
}

.chat-transport-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.chat-transport-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.chat-transport-btn.disabled,
.chat-transport-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.chat-transport-note {
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

.starter-pack-grid,
.runtime-readiness-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.starter-pack-item,
.runtime-readiness-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  padding: 14px;
}

.starter-pack-item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.starter-pack-item-title,
.runtime-readiness-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.starter-pack-item-kind,
.runtime-readiness-label {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.starter-pack-item-detail,
.runtime-readiness-detail {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.starter-pack-item-actions,
.starter-pack-candidate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.starter-pack-candidate-list {
  display: grid;
  gap: 12px;
}

.starter-pack-candidate {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  padding: 14px;
}

.starter-pack-candidate-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.starter-pack-candidate-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.starter-pack-candidate-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.starter-pack-candidate-detail {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-top: 10px;
}

.skill-page-header {
  align-items: flex-start;
  gap: 12px;
}

.skill-page-actions,
.skill-filter-group,
.skill-filter-controls,
.skill-source-block-actions,
.skill-bulk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.skill-filter-controls {
  align-items: center;
}

.skill-filter-label {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.skill-filter-select {
  min-width: 190px;
}

.skill-search-box {
  min-width: min(340px, 100%);
}

.skills-source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 16px;
}

.skill-source-block {
  min-height: 100%;
}

.skill-source-block-wide {
  grid-column: 1 / -1;
}

.skill-source-block-header {
  align-items: flex-start;
  gap: 12px;
}

.skill-source-block-title,
.skill-bulk-title,
.skill-subsection-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.skill-source-block-meta,
.skill-setup-blocker-detail {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-top: 6px;
}

.skill-source-block-summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.skill-source-block-actions {
  margin-bottom: 14px;
}

.skill-subsection + .skill-subsection {
  margin-top: 14px;
}

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

.skill-subsection-actions,
.skill-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.skill-card-grid {
  margin-top: 4px;
}

.skill-item-card {
  min-height: 100%;
}

.skill-name-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.skill-status-toggle {
  cursor: pointer;
}

.skill-card-actions {
  align-items: center;
}

.skill-select-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-secondary);
  cursor: pointer;
}

.skill-select-toggle input {
  margin: 0;
}

.starter-pack-block .card-body {
  padding-top: 12px;
}

.skill-source-selection-bar {
  margin-bottom: 14px;
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent-dim), transparent 70%);
}

.skill-source-selection-body {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.skill-setup-blocker-list {
  display: grid;
  gap: 10px;
}

.skill-setup-blocker {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--bg-primary);
}

.skill-setup-blocker-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.capability-overview-grid,
.capability-builder-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.capability-type-grid,
.capability-preview-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.capability-type-card {
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(6, 182, 212, 0.08), transparent 55%),
    var(--bg-primary);
  padding: 16px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.capability-type-card:hover {
  transform: translateY(-1px);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow);
}

.capability-type-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-glow), var(--shadow);
  background:
    linear-gradient(135deg, rgba(99, 102, 241, 0.14), transparent 60%),
    var(--bg-primary);
}

.capability-type-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.capability-type-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.capability-type-phase,
.capability-layout-kind,
.capability-field-note {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.capability-type-phase {
  margin-top: 8px;
}

.capability-type-summary,
.capability-layout-detail {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.capability-type-summary {
  margin-top: 10px;
}

.capability-builder-column {
  min-width: 0;
}

.capability-form-grid,
.capability-layout-list {
  display: grid;
  gap: 12px;
}

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

.capability-list-wide {
  grid-column: 1 / -1;
}

.capability-toggle-row,
.capability-builder-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.capability-list-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
}

.capability-inline-action {
  align-self: end;
}

.capability-preview-item,
.capability-layout-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  padding: 14px;
}

.capability-empty-inline {
  min-height: 0;
  padding: 18px 12px;
}

.capability-created-card {
  border-color: var(--green);
  background:
    linear-gradient(135deg, var(--green-dim), transparent 65%),
    var(--bg-secondary);
}

.capability-code-preview {
  max-height: 480px;
  overflow: auto;
  margin: 0;
}

.plain-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
}

.plain-list li + li {
  margin-top: 8px;
}

.runtime-reason-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

@media (max-width: 1100px) {
  .skills-source-grid,
  .capability-overview-grid,
  .capability-builder-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .skill-filter-bar,
  .skill-source-selection-body,
  .capability-toggle-row,
  .capability-builder-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .skill-filter-controls {
    align-items: stretch;
  }

  .skill-filter-select,
  .skill-search-box {
    min-width: 100%;
  }

  .skill-source-block-summary {
    justify-content: flex-start;
  }

  .capability-form-grid,
  .capability-list-row {
    grid-template-columns: 1fr;
  }
}

.runtime-reason-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
}

.chat-composer-hint {
  font-size: 11px;
  color: var(--text-muted);
  flex: 1 1 240px;
  order: 2;
}

.chat-composer-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  margin-left: auto;
  order: 3;
}

.chat-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 5px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  padding: 0;
  flex-shrink: 0;
}

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

.chat-action-btn:active {
  background: var(--accent-dim);
  color: var(--accent);
}

.chat-voice-status {
  font-size: 11px;
  color: var(--red);
  display: none;
  order: 4;
}
.chat-voice-status.active {
  display: inline;
}

/* Alias: chat-messages = chat-transcript (used as element ID in JS) */
#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 0;
}
#chat-messages::-webkit-scrollbar { width: 6px; }
#chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* File Bar */
.chat-file-previews {
  flex: 1;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0;
}

.chat-file-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  white-space: nowrap;
  animation: chatFadeIn 0.2s ease;
}

.chat-file-thumb {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-file-item .remove-file {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  padding: 0 2px;
  border-radius: 4px;
  transition: color 0.2s;
}
.chat-file-item .remove-file:hover { color: var(--red); }

/* Message body and files */
.chat-msg-body { flex: 1; min-width: 0; }

.chat-msg-files {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.chat-file-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}

/* Quick actions */
.chat-quick-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 36px;
}

/* File Bar */
.chat-file-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 24px 0;
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.chat-file-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
}

.chat-file-chip-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
}

.chat-file-chip-remove {
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  padding: 2px;
  border-radius: 50%;
  transition: all var(--transition);
}

.chat-file-chip-remove:hover {
  color: var(--red);
  background: var(--red-dim);
}

/* ============================================================
   26b. CHAT WELCOME SCREEN
   ============================================================ */
.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 40px 24px;
  text-align: center;
}

.chat-welcome-icon {
  width: 64px;
  height: 64px;
  color: var(--accent);
  margin-bottom: 24px;
  filter: drop-shadow(0 0 16px var(--accent-glow));
  animation: welcomePulse 3s ease infinite;
}

.chat-welcome h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.chat-welcome p {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto 24px;
  line-height: 1.6;
}

.chat-welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 320px;
}

.chat-quick-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.chat-quick-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.chat-quick-btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--accent-dim);
  color: var(--accent);
}

.chat-quick-btn-text {
  flex: 1;
  min-width: 0;
}

.chat-quick-btn-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.chat-quick-btn-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* ============================================================
   26c. CHAT DRAG OVERLAY
   ============================================================ */
.chat-drag-overlay {
  position: absolute;
  inset: 0;
  background: rgba(12, 14, 22, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  backdrop-filter: blur(4px);
}

.chat-drag-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 48px;
  border: 2px dashed var(--accent);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
}

.chat-drag-overlay-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
}

/* ============================================================
   27. RESPONSIVE
   ============================================================ */

/* Tablet & small desktop */
@media (max-width: 768px) {
  /* Sidebar becomes overlay */
  #sidebar {
    transform: translateX(-100%);
    z-index: 200;
    box-shadow: var(--shadow-lg);
  }

  #sidebar.mobile-open {
    transform: translateX(0);
  }

  #main-wrapper {
    margin-left: 0 !important;
  }

  /* Stats grid */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* Form rows */
  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Content padding */
  #content,
  .content-area {
    padding: 16px;
  }

  /* Page header */
  .page-title,
  .page-header h2 {
    font-size: 20px;
  }

  /* Topbar */
  #topbar {
    padding: 0 16px;
  }

  /* Chat History — mobile overlay */
  .chat-history {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 150;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }

  .chat-history.mobile-open {
    transform: translateX(0);
  }

  .chat-history-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 140;
  }

  .chat-history.mobile-open ~ .chat-history-overlay {
    display: block;
  }

  .chat-history.mobile-open ~ .chat-main {
    pointer-events: none;
  }

  /* Chat */
  .chat-header {
    padding: 10px 16px;
    height: auto;
    min-height: 56px;
    overflow: visible;
  }

  .chat-mode-tabs {
    padding: 0 16px;
    overflow-x: auto;
  }

  .chat-msg-inner {
    padding: 8px 16px;
  }

  .chat-composer {
    padding: 10px 16px 14px;
  }

  .chat-folder-overview-grid {
    grid-template-columns: 1fr;
  }

  .chat-folder-toolbar,
  .chat-folder-overview-actions {
    justify-content: flex-start;
  }

  .folder-admin-header {
    align-items: stretch;
    flex-direction: column;
  }

  .folder-admin-main {
    width: 100%;
  }

  .folder-admin-summary {
    margin-left: 0;
  }

  .folder-admin-actions {
    width: 100%;
  }

  .chat-transcript-inner {
    padding: 0 16px;
  }

  .chat-welcome h1 {
    font-size: 24px;
  }

  /* Modal */
  .modal {
    width: 95%;
    max-width: 440px;
  }

  /* Card */
  .card-body {
    padding: 16px;
  }

  /* Table */
  .table th,
  .table td {
    padding: 10px 12px;
  }
}

/* Mobile */
@media (max-width: 480px) {
  html {
    font-size: 13px;
  }

  /* Stats grid single column */
  .stats-grid {
    grid-template-columns: 1fr;
  }

  /* Smaller content padding */
  #content,
  .content-area {
    padding: 12px;
  }

  /* Topbar */
  .topbar-center {
    display: none;
  }

  .topbar-right .btn-ghost,
  .topbar-right .btn-text {
    display: none;
  }

  /* Chat */
  .chat-header-left .chat-select:first-child {
    max-width: 120px;
  }

  .chat-msg-avatar {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .chat-bubble {
    padding: 10px 14px;
    font-size: 13px;
  }

  .chat-welcome h1 {
    font-size: 22px;
  }

  .chat-welcome {
    padding: 24px 16px;
  }

  .chat-quick-btn {
    padding: 10px 14px;
  }

  /* Modal */
  .modal {
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-lg);
    max-height: 90vh;
  }

  .modal-header {
    padding: 14px 18px;
    font-size: 15px;
  }

  .modal-body {
    padding: 16px 18px;
  }

  .modal-footer {
    padding: 12px 18px;
  }

  /* Tabs scrollable */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Toast */
  .toast-container {
    right: 12px;
    left: 12px;
  }

  .toast {
    max-width: 100%;
  }

  /* Buttons */
  .btn {
    padding: 7px 12px;
    font-size: 12px;
  }
}

/* ============================================================
   28. ANIMATIONS (@keyframes)
   ============================================================ */

/* Spinner rotation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Toast slide in from right */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Toast slide out */
@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Modal appear */
@keyframes modalIn {
  from {
    transform: scale(0.95) translateY(-10px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

/* Chat element fade in */
@keyframes chatFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Welcome icon pulse */
@keyframes welcomePulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 16px var(--accent-glow));
  }
  50% {
    transform: scale(1.08);
    filter: drop-shadow(0 0 28px var(--accent-glow));
  }
}

/* Chat thinking dots */
@keyframes chatDot {
  0%, 80%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  40% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Voice recording pulse */
@keyframes voicePulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* Message slide in */
@keyframes msgSlideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* General fade in */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* Divider */
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 12px;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Tooltip */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all 0.15s ease;
  z-index: 100;
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-bar-fill.green {
  background: var(--green);
}

.progress-bar-fill.amber {
  background: var(--amber);
}

.progress-bar-fill.red {
  background: var(--red);
}

/* Code Block with header */
.code-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-primary);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

.code-block-body {
  padding: 14px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 180px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 4px;
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.15s ease;
}

.dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font);
}

.dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.dropdown-item.danger {
  color: var(--red);
}

.dropdown-item.danger:hover {
  background: var(--red-dim);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-light);
  margin: 4px 0;
}

/* Avatar */
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.avatar-sm {
  width: 24px;
  height: 24px;
  font-size: 10px;
}

.avatar-lg {
  width: 44px;
  height: 44px;
  font-size: 16px;
}

/* Tag list */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
}

.tag.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* Copy button for code blocks */
.copy-btn {
  padding: 4px 8px;
  font-size: 11px;
  color: var(--text-muted);
  background: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

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

/* Notification badge */
.notification-dot {
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
  position: absolute;
  top: 6px;
  right: 6px;
  border: 2px solid var(--bg-secondary);
}

/* Chart placeholder */
.chart-placeholder {
  width: 100%;
  height: 200px;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* List items */
.list-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
  gap: 12px;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:hover {
  background: var(--bg-hover);
}

.list-item-content {
  flex: 1;
  min-width: 0;
}

.list-item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.list-item-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Link list */
.link-list {
  display: flex;
  flex-direction: column;
}

.link-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}

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

/* Accordion */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-secondary);
  transition: background var(--transition);
}

.accordion-header:hover {
  background: var(--bg-hover);
}

.accordion-body {
  padding: 0 16px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-item.active .accordion-body {
  padding: 12px 16px;
  max-height: 500px;
}

/* Confirm dialog */
.confirm-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* Provider logos in grid */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.provider-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.provider-card:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.provider-card.active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.provider-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.provider-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.model-role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.model-role-card {
  height: 100%;
}

.model-role-card .card-header {
  gap: 10px;
}

.model-role-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.model-role-meta-item .form-label {
  margin-bottom: 4px;
}

/* Settings sections */
.settings-section {
  margin-bottom: 28px;
}

.settings-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

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

.settings-row-label {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}

.settings-row-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Activity Feed */
.activity-feed {
  display: flex;
  flex-direction: column;
}

.activity-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  animation: fadeIn 0.3s ease;
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
}

.activity-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Log viewer */
.log-line {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.log-line:hover {
  background: var(--bg-hover);
}

.log-line .log-timestamp {
  color: var(--text-muted);
}

.log-line .log-level-info {
  color: var(--teal);
}

.log-line .log-level-warn {
  color: var(--amber);
}

.log-line .log-level-error {
  color: var(--red);
}

.log-line .log-level-debug {
  color: var(--text-muted);
}

/* API Key display */
.key-display {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  overflow: hidden;
}

.key-display-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Health status card */
.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.health-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.health-item-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
}

.health-item-value {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* KBD styling */
kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Print */
@media print {
  #sidebar,
  #topbar {
    display: none !important;
  }

  #main-wrapper {
    margin-left: 0 !important;
  }

  body {
    background: #ffffff;
    color: #000000;
  }
}