/* ═══════════════════════════════════════════════════════════
   Aeldorado — Dashboard Styles (Google AI Studio Inspired)
   Desktop-First Layout with Mobile Responsiveness
   ═══════════════════════════════════════════════════════════ */

/* ── Dashboard Layout (Desktop) ───────────────────────────── */
.dashboard-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  background: var(--bg-root);
  color: var(--text-primary);
}

/* ── Sidebar (Desktop) ────────────────────────────────────── */
.sidebar {
  background: rgba(10, 13, 20, 0.7);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
  transition: transform 0.3s var(--ease), visibility 0.3s;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  padding: 0 var(--space-6);
}

.brand-logo-svg {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.brand-logo-svg svg {
  width: 100%;
  height: auto;
  display: block;
}

.sidebar-brand .brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-close-btn {
  display: none;
  position: relative;
  z-index: 10;
  margin-left: auto;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  touch-action: manipulation;
}
.sidebar-close-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  border-radius: 0 24px 24px 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
  margin-right: var(--space-4);
  cursor: pointer;
}

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

.sidebar-link.active {
  background: var(--accent-subtle);
  color: var(--accent-text);
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  flex-shrink: 0;
}

.sidebar-link.active svg {
  opacity: 1;
}

.sidebar-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-4);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  overflow: hidden;
  flex-shrink: 0;
}

.user-details {
  overflow: hidden;
  flex: 1;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#user-tier {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-text);
  background: var(--accent-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 2px;
  display: inline-block;
}

/* ── Main Content (Desktop) ───────────────────────────────── */
.main-content {
  overflow-y: auto;
  height: 100vh;
  background: var(--bg-root);
  padding: var(--space-8) var(--space-10);
  display: flex;
  flex-direction: column;
}

.view {
  display: none;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  animation: fadeIn 0.3s var(--ease);
}

.view.active {
  display: block;
}

.view-header {
  margin-bottom: var(--space-10);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
}

.view-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-1);
  background: linear-gradient(180deg, var(--text-primary) 0%, rgba(232,234,240,0.82) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.tier-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-text);
  background: var(--accent-subtle);
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(59,130,246,0.2);
}

/* ── Dashboard Cards ──────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 148px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glass-shadow), var(--glass-inset);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.stat-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), var(--glass-inset);
}

.stat-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: var(--space-2);
}

.stat-value {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.stat-limit {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  font-family: var(--font-mono);
}

.stat-ring {
  position: relative;
  width: 96px;
  height: 96px;
  margin: var(--space-3) auto;
}

.stat-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.stat-ring .ring-bg {
  fill: none;
  stroke: var(--border-subtle);
  stroke-width: 6;
}

.stat-ring .ring-fill {
  fill: none;
  stroke: url(#ring-gradient);
  stroke-width: 6;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(59,130,246,0.35));
  transition: stroke-dashoffset 1s var(--ease);
}

.ring-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-big {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--accent-text);
  font-family: var(--font-mono);
  text-align: center;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  flex: 1;
}

.stat-sub {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
  text-align: center;
}

.stat-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ── Quick Actions ────────────────────────────────────────── */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr));
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.action-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  padding: var(--space-4) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: inherit;
  color: inherit;
  text-align: left;
  appearance: none;
  outline: none;
  box-shadow: var(--glass-shadow), var(--glass-inset);
  transition: all 0.3s var(--ease);
}

.action-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.action-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5), var(--glass-inset);
}

.action-card:active {
  transform: translateY(0);
}

.action-icon {
  width: 38px;
  height: 38px;
  background: var(--accent-subtle);
  color: var(--accent-text);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.25s var(--ease);
}

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

.action-card:hover .action-icon {
  background: rgba(59,130,246,0.2);
}

.action-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* Last button spans full width if alone in its row */
.quick-actions .action-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.action-info h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.action-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Messages ─────────────────────────────────────────────── */
.message {
  display: flex;
  gap: var(--space-4);
  max-width: 85%;
}

.message-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.message-content {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.message-user .message-content {
  background: var(--accent);
  color: white;
  border-bottom-right-radius: 2px;
}

.message-assistant .message-content {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
  border: 1px solid var(--border);
}

/* ── Mobile Header (Hidden on Desktop) ────────────────────── */
.mobile-header {
  display: none;
}

.mobile-menu-btn {
  display: none;
}

.sidebar-overlay {
  display: none;
}

/* ── Utility Classes ──────────────────────────────────────── */
.playground-output-meta {
  display: flex;
  gap: var(--space-4);
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-subtle);
}

.playground-output-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ═══════════════════════════════════════════════════════════
   TABLET BREAKPOINT (1024px and below)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .dashboard-layout {
    grid-template-columns: 220px 1fr;
  }

  .sidebar {
    width: 220px;
  }

  .main-content {
    padding: var(--space-6) var(--space-8);
  }

  .view-header h2 {
    font-size: 1.5rem;
  }

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

/* ═══════════════════════════════════════════════════════════
   MOBILE BREAKPOINT (768px and below)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Show mobile header */
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 250;  /* ABOVE sidebar (200) + overlay (90) so hamburger is always tappable */
  }

  /* Visible close (X) button inside the drawer itself — the primary,
     always-reachable way to dismiss it on mobile. Tapping the dark
     backdrop still works too, but the sidebar can span most of the
     screen width on small phones, shrinking that tappable area. */
  .sidebar-close-btn {
    display: flex;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    width: 44px;
    height: 44px;
    -webkit-tap-highlight-color: transparent;  /* no blue flash on mobile tap */
    touch-action: manipulation;
  }

  .mobile-menu-btn:hover {
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
  }

  /* Hide sidebar by default on mobile */
  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 190;  /* below sidebar (200), above everything else */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .sidebar-overlay.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    max-width: 85vw;  /* never exceed 85% of screen on tiny phones */
    height: 100vh;
    height: 100dvh;   /* use dynamic viewport height on modern browsers */
    transform: translateX(-100%);
    visibility: hidden;  /* prevent phantom touch targets when off-screen */
    z-index: 200;
  }

  .sidebar.open {
    transform: translateX(0);
    visibility: visible;
  }

  /* Adjust dashboard layout for mobile */
  .dashboard-layout {
    grid-template-columns: 1fr;
  }

  .main-content {
    padding: var(--space-4) var(--space-6);
    height: auto;
  }

  .view-header {
    flex-direction: column;
    gap: var(--space-4);
  }

  .view-header-content h1 {
    font-size: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .stat-card {
    min-height: 120px;
    padding: var(--space-4);
  }

  .playground-layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  .pg-history-panel {
    display: none;
  }
  .pg-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .pg-chat-area {
    min-height: 500px;
  }

  .playground-input {
    border-top: 1px solid var(--border);
    padding: var(--space-6);
  }

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

  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ═══════════════════════════════════════════════════════════
   SMALL MOBILE BREAKPOINT (480px and below)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  .sidebar {
    width: 84vw;
    max-width: 320px;
  }

  .main-content {
    padding: var(--space-3) var(--space-4);
  }

  .view-header h2 {
    font-size: 1.25rem;
  }

  .stat-card {
    padding: var(--space-3);
  }

  .stat-value {
    font-size: 1.75rem;
  }

  .stat-ring {
    width: 80px;
    height: 80px;
  }

  .playground-input {
    padding: var(--space-4);
  }
}


/* ═══════════════════════════════════════════════════════════
   API KEYS & VAULT VIEWS
   ═══════════════════════════════════════════════════════════ */

.view-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

/* Panel Styles */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  animation: slideIn 0.3s var(--ease);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.panel-success {
  border-color: rgba(16,185,129,0.3);
  background: rgba(16,185,129,0.05);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--success);
}

.panel-header svg {
  color: var(--success);
}

.panel-warn {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-sm);
  color: var(--warning);
  font-size: 0.8125rem;
  margin-bottom: var(--space-4);
}

.panel-warn svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.key-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-text);
  word-break: break-all;
}

.key-display code {
  flex: 1;
  font-family: var(--font-mono);
}

/* Keys List */
.keys-list {
  display: grid;
  gap: var(--space-4);
}

.key-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s;
}

.key-card:hover {
  border-color: var(--text-muted);
  background: var(--bg-hover);
}

.key-info h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.key-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: var(--space-4);
}

.key-actions {
  display: flex;
  gap: var(--space-2);
}

/* Vault Styles */
.vault-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--success);
  background: rgba(16,185,129,0.1);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(16,185,129,0.2);
}

.vault-notice {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: rgba(59,130,246,0.05);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
}

.vault-notice-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--accent-subtle);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-text);
}

.vault-notice strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.vault-notice p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.vault-add {
  background: var(--bg-elevated);
}

.provider-detect {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--accent-text);
}

.detect-badge {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.vault-list {
  display: grid;
  gap: var(--space-4);
}

.vault-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: all 0.2s;
}

.vault-item:hover {
  border-color: var(--text-muted);
  background: var(--bg-hover);
}

.vault-item-info {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-width: 0;
}

.vault-item-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vault-item-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.vault-item-masked {
  font-size: 0.8125rem;
  font-family: var(--font-mono, monospace);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.vault-item-model {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.vault-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.vault-model-select {
  font-size: 0.8125rem;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  max-width: 220px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.vault-model-select:hover,
.vault-model-select:focus {
  border-color: var(--accent);
  outline: none;
}

.vault-item-info h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.vault-item-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   PLAYGROUND VIEW
   ═══════════════════════════════════════════════════════════ */

/* Main .playground-layout is defined in the Conversation History section below (grid layout) */

.pg-sidebar {
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow-y: auto;
  min-width: 0;
}

.pg-sidebar .form-group {
  margin-bottom: var(--space-2);
}

.sidebar-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--space-3) 0;
}

.pg-chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-root);
  position: relative;
  overflow: hidden;
}

.pg-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.chat-message {
  display: flex;
  gap: var(--space-4);
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

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

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-message.user .chat-avatar {
  background: var(--accent);
  color: white;
  border: none;
}

.chat-content {
  background: var(--bg-surface);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.chat-message.user .chat-content {
  background: var(--accent);
  color: white;
  border: none;
  border-top-right-radius: 4px;
}

.chat-message.agent .chat-content {
  border-top-left-radius: 4px;
}

.pg-chat-input-wrapper {
  padding: var(--space-5) var(--space-8);
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.pg-chat-input-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: flex-end;
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  transition: border-color 0.2s;
}

.pg-chat-input-container:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.pg-chat-input-container textarea {
  flex: 1;
  background: transparent;
  border: none;
  box-shadow: none;
  resize: none;
  max-height: 200px;
  min-height: 44px;
  overflow-y: auto;
  padding: var(--space-2) var(--space-3);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-primary);
}

.pg-chat-input-container textarea:focus {
  outline: none;
  border: none;
  box-shadow: none;
}

.btn-chat-send {
  background: var(--accent);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
  margin-left: var(--space-2);
}

.btn-chat-send:hover {
  background: var(--accent-hover);
}

.btn-chat-send:disabled {
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: not-allowed;
}

.pg-chat-footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-3);
}

/* Hide some old classes if they exist */
.playground-input, .playground-output {
  display: none !important;
}

/* Old styling */
.output-body {
  flex: 1;
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  overflow-x: auto;
  overflow-y: auto;
  max-height: 400px;
}

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

/* Code Snippets */
.snippets {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-8);
}

.snippets h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.snippet-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.snippet-tab {
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

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

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

.snippet-code {
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  overflow-x: auto;
}

/* ═══════════════════════════════════════════════════════════
   LOGS & SETTINGS VIEWS
   ═══════════════════════════════════════════════════════════ */

.logs-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.settings-sections {
  display: grid;
  gap: var(--space-6);
}

.settings-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.settings-card h3 {
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.settings-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.settings-row-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.settings-row-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════
   DOCS VIEW
   ═══════════════════════════════════════════════════════════ */

.docs-content {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  line-height: 1.8;
  color: var(--text-secondary);
}

.docs-content:has(iframe) {
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 0;
  overflow: hidden;
}

.docs-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.docs-content h2:first-child {
  margin-top: 0;
}

.docs-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.docs-content p {
  margin-bottom: var(--space-4);
}

.docs-content code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-text);
}

.docs-content pre {
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  overflow-x: auto;
  margin: var(--space-4) 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.docs-content ul,
.docs-content ol {
  margin: var(--space-4) 0 var(--space-4) var(--space-6);
}

.docs-content li {
  margin-bottom: var(--space-2);
}

.docs-content a {
  color: var(--accent-text);
  text-decoration: underline;
  transition: color 0.2s;
}

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

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE ADJUSTMENTS FOR TABLET & MOBILE
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .playground-layout {
    grid-template-columns: 220px 1fr;
    height: auto;
  }

  .pg-history-panel {
    display: none;
  }
  
  .pg-chat-area {
    min-height: 500px;
  }

  .playground-input {
    position: static;
  }
}

@media (max-width: 768px) {
  .panel {
    padding: var(--space-4);
  }

  .key-card,
  .vault-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .key-actions {
    width: 100%;
  }

  .key-actions .btn {
    flex: 1;
  }

  .playground-layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .pg-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  
  .pg-chat-area {
    min-height: 500px;
  }

  .output-body {
    max-height: 300px;
  }

  .docs-content {
    padding: var(--space-4);
  }

  .docs-content h2 {
    font-size: 1.25rem;
  }

  .docs-content h3 {
    font-size: 1rem;
  }
}

/* ════════════════════════════════════════════════════════════
   PROJECTS & MEMORY — Professional Dark UI
   ════════════════════════════════════════════════════════════ */

/* Header stat chip */
.header-stat {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Info Banner */
.info-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(59, 130, 246, 0.07);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: var(--space-6);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-banner svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: #60a5fa;
}

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

/* Panel Card (Create Project) */
.panel-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  animation: slideDown 0.25s var(--ease);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.panel-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.panel-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-5);
}

/* Project Card */
.project-card {
  background: rgba(15, 17, 26, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: cardFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 12px 40px -10px rgba(99, 102, 241, 0.15), 0 4px 12px -2px rgba(0, 0, 0, 0.3);
  background: rgba(20, 23, 35, 0.8);
}

.project-card:hover::before {
  opacity: 1;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.project-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.proj-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.proj-name {
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.proj-id {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Tier badges */
.proj-tier-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 20px;
  flex-shrink: 0;
}

.tier-free {
  background: rgba(156, 163, 175, 0.1);
  color: var(--text-muted);
  border: 1px solid rgba(156, 163, 175, 0.2);
}

.tier-paid {
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

/* Memory Status */
.project-card-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.proj-memory-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 20px;
}

.proj-memory-status.memory-on {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.1);
  animation: memoryPulse 2s infinite ease-in-out;
}

@keyframes memoryPulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.proj-memory-status.memory-off {
  background: rgba(107, 114, 128, 0.08);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.mem-dot {
  font-size: 0.6rem;
}

.proj-facts-count {
  font-size: 0.72rem;
  opacity: 0.75;
}

.proj-created {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Project card actions */
.project-card-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.project-card-actions .btn {
  font-size: 0.78rem;
  padding: 5px 12px;
}

/* API Key badges (Project / Playground) */
.key-item-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.key-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 20px;
}

.key-badge-project {
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.key-badge-playground {
  background: rgba(245, 158, 11, 0.1);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Memory Modal fact list */
.mem-summary {
  background: rgba(59, 130, 246, 0.07);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.mem-facts-header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.mem-fact-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.875rem;
  animation: cardFadeIn 0.3s ease both;
}

.mem-fact-num {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 700;
  min-width: 18px;
  text-align: right;
  font-family: var(--font-mono);
}

.mem-fact-text {
  flex: 1;
  color: var(--text-secondary);
  line-height: 1.5;
}

.mem-fact-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-family: var(--font-mono);
}

/* ── Loading skeleton (mirrors .mem-fact-item row shape) ───── */
.mem-skeleton-wrap {
  display: flex;
  flex-direction: column;
}
.mem-skeleton-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  animation: pgFadeUp 0.28s cubic-bezier(0.22,1,0.36,1) both;
}
.mem-skeleton-row:last-child { border-bottom: none; }
.mem-skeleton-num,
.mem-skeleton-text,
.mem-skeleton-time {
  height: 11px;
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.06) 25%,
    rgba(255,255,255,0.14) 37%,
    rgba(255,255,255,0.06) 63%
  );
  background-size: 400% 100%;
  animation: skeletonShimmer 1.6s ease-in-out infinite;
}
.mem-skeleton-num  { width: 14px; flex-shrink: 0; }
.mem-skeleton-text { flex: 1; }
.mem-skeleton-time { width: 60px; flex-shrink: 0; }

@media (prefers-reduced-motion: reduce) {
  .mem-skeleton-row,
  .mem-skeleton-num,
  .mem-skeleton-text,
  .mem-skeleton-time {
    animation: none !important;
  }
  .mem-skeleton-num,
  .mem-skeleton-text,
  .mem-skeleton-time { opacity: 0.4; }
}

.mem-fact-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.1);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 20px;
  padding: 2px 8px;
  white-space: nowrap;
}

.mem-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  text-align: right;
  font-family: var(--font-mono);
}

/* Fine Tune page */
.ft-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-4);
}

.ft-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 20px;
  padding: 7px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.ft-tab:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.ft-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.ft-tab .ft-tab-count {
  opacity: 0.7;
  margin-left: 4px;
  font-family: var(--font-mono);
}

.ft-fact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.875rem;
  animation: cardFadeIn 0.3s ease both;
}

.ft-fact-text {
  flex: 1;
  color: var(--text-secondary);
  line-height: 1.5;
}

.ft-fact-meta {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
  align-items: center;
  flex-wrap: wrap;
}

.ft-badge {
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 20px;
  padding: 2px 8px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ft-badge-public {
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.ft-badge-internal {
  background: rgba(148, 163, 184, 0.1);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.ft-badge-manual {
  background: rgba(245, 158, 11, 0.1);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.ft-fact-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  line-height: 1;
  transition: color 0.15s ease;
}

.ft-fact-delete:hover {
  color: var(--danger);
}

/* Spinner ring (loading state) */
.spinner-ring {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent-text);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

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

/* Keygen Toggle Styles */
.keygen-toggle-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.2s;
  margin-top: 8px;
}
.keygen-toggle-label:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}
.keygen-toggle-label input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}
.toggle-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.toggle-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.toggle-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Empty state projects */
.projects-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-12);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.4;
}

.projects-loading {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

/* Responsive */
@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card-body {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}

/* ═══════════════════════════════════════════════════════════
   PLAYGROUND — Conversation History Panel
   ═══════════════════════════════════════════════════════════ */

.playground-layout {
  display: grid;
  grid-template-columns: 200px 260px 1fr;
  gap: 0;
  height: calc(100vh - 120px);
  max-height: calc(100vh - 120px);
  min-height: 500px;
  margin-top: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* History panel */
.pg-history-panel {
  background: var(--bg-root);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.pg-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 12px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.pg-history-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.pg-history-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.pg-history-empty {
  padding: 24px 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

.pg-history-item {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 9px 10px;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.15s;
  border-left: 2px solid transparent;
  position: relative;
}

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

.pg-history-item.active {
  background: var(--accent-subtle);
  border-left-color: var(--accent-text);
}

.pg-history-item-body {
  flex: 1;
  min-width: 0;
}

.pg-history-item-title {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.pg-history-item-meta {
  font-size: 0.68rem;
  color: var(--text-muted);
  display: flex;
  gap: 6px;
  align-items: center;
}

.pg-history-item-key {
  display: inline-block;
  background: var(--bg-elevated);
  border-radius: 3px;
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pg-history-item-del {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  padding: 4px;
  border-radius: 4px;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
}

.pg-history-item:hover .pg-history-item-del {
  opacity: 1;
}

.pg-history-item-del:hover {
  color: #fff;
  background: var(--danger, #e5484d);
  opacity: 1;
}

/* Keygen playground toggle */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  position: relative;
}

.toggle-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.toggle-track {
  width: 40px;
  height: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 11px;
  position: relative;
  transition: background 0.3s ease, border-color 0.3s ease;
  flex-shrink: 0;
  display: inline-block;
}

.toggle-checkbox:checked + .toggle-track {
  background: var(--accent, #4f8ef7);
  border-color: var(--accent, #4f8ef7);
  box-shadow: 0 0 10px rgba(79, 142, 247, 0.35);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.toggle-checkbox:checked + .toggle-track .toggle-thumb {
  transform: translateX(18px);
}

.toggle-text {
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.3;
}

/* Responsive: hide history panel on smaller screens */
@media (max-width: 1024px) {
  .playground-layout {
    grid-template-columns: 220px 1fr;
  }
  .pg-history-panel {
    display: none;
  }
}

.pg-settings-toggle-btn {
  display: none;
}

@media (max-width: 768px) {
  .pg-settings-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }

  .playground-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    height: calc(100vh - 200px);
    max-height: calc(100vh - 200px);
    min-height: 420px;
    overflow: hidden;
  }
  .pg-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    order: 1;
    max-height: 50vh;
    overflow-y: auto;
  }
  /* Collapsed by default on mobile; JS toggles .pg-sidebar-open */
  .pg-sidebar {
    display: none;
  }
  .pg-sidebar.pg-sidebar-open {
    display: flex;
  }
  .pg-history-panel {
    order: 2;
    max-height: 40vh;
    overflow-y: auto;
  }
  .pg-chat-area {
    order: 3;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  .pg-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
  }
}

/* ═══════════════════════════════════════════════════════════
   Broadcast Banner — admin-sent messages shown on login.
   Sits above every dashboard view. Dismissible per-session
   (localStorage-free: re-appears on next login by design).
   ═══════════════════════════════════════════════════════════ */

#broadcast-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

#broadcast-stack:empty {
  display: none;
  margin-bottom: 0;
}

.broadcast-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--lg-card-r, var(--radius-md));
  border: 1px solid var(--lg-card-bd, var(--border));
  background: var(--lg-card-bg, var(--bg-elevated));
  box-shadow: var(--lg-card-sh, none), var(--lg-card-in, none);
  backdrop-filter: blur(8px) saturate(170%);
  -webkit-backdrop-filter: blur(8px) saturate(170%);
  font-size: 0.875rem;
  line-height: 1.5;
  animation: broadcast-in 0.2s ease;
}

@keyframes broadcast-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .broadcast-banner { animation: none; }
}

.broadcast-banner .broadcast-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
}

.broadcast-banner .broadcast-body {
  flex: 1;
  min-width: 0;
  color: var(--lg-text-1, var(--text-primary));
  font-weight: 500;
  word-break: break-word;
}

.broadcast-banner .broadcast-dismiss {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}

.broadcast-banner .broadcast-dismiss:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.broadcast-banner.level-info {
  border-color: rgba(37, 99, 235, 0.28);
  background:
    linear-gradient(rgba(59, 130, 246, 0.10), rgba(59, 130, 246, 0.10)),
    var(--lg-card-bg, var(--accent-subtle));
}
.broadcast-banner.level-info .broadcast-icon { color: var(--lg-accent, var(--accent-text)); }

.broadcast-banner.level-warning {
  border-color: rgba(245, 158, 11, 0.32);
  background:
    linear-gradient(rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.12)),
    var(--lg-card-bg, var(--warning-bg));
}
.broadcast-banner.level-warning .broadcast-icon { color: var(--warning); }

.broadcast-banner.level-critical {
  border-color: rgba(239, 68, 68, 0.35);
  background:
    linear-gradient(rgba(239, 68, 68, 0.12), rgba(239, 68, 68, 0.12)),
    var(--lg-card-bg, var(--danger-bg));
}
.broadcast-banner.level-critical .broadcast-icon { color: var(--danger); }