/* AllScience — Shared Component Styles */

/* ── Accessibility ─────────────────────────────────────────────────────── */

/* Screen reader only — visually hidden but accessible */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Skip to content link — visible only on focus */
.skip-to-content {
  position: fixed; top: -100%; left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-tooltip);
  padding: 0.75rem 1.5rem;
  background: var(--color-primary, #3b82f6);
  color: #fff; font-weight: 600; font-size: 0.875rem;
  border-radius: 0 0 var(--radius-md, 10px) var(--radius-md, 10px);
  text-decoration: none; transition: top 0.2s ease;
  box-shadow: var(--shadow-lg);
}
.skip-to-content:focus {
  top: 0; outline: none;
}

/* Focus visible enhancement for all interactive elements */
:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
}

/* Remove default focus ring for mouse users, keep for keyboard */
:focus:not(:focus-visible) {
  outline: none;
}

/* High-contrast focus for buttons and interactive controls */
.btn:focus-visible,
.theme-toggle:focus-visible,
.hamburger:focus-visible,
.notif-bell:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-primary-glow, rgba(59, 130, 246, 0.15));
}

/* Modal dialog — subtle outline when focus is within */
.modal-dialog:focus-within {
  outline: 2px solid rgba(59, 130, 246, 0.4);
  outline-offset: 2px;
}

/* Global search result item — keyboard navigation */
.gs-result-item:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: -2px;
  background: rgba(59, 130, 246, 0.08);
}

/* Arrow-key selection for search results */
.gs-result-item[aria-selected="true"] {
  background: rgba(59, 130, 246, 0.14);
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: -2px;
}

/* Notification items — focus highlight */
.notif-item:focus-visible {
  outline: none;
  background: rgba(59, 130, 246, 0.08);
  box-shadow: inset 3px 0 0 var(--color-primary, #3b82f6);
}

/* Onboarding step — focus with offset */
.ob-step:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 4px;
  border-radius: var(--radius-sm, 6px);
}

/* Shortcut row — focus highlight */
.sc-row:focus-visible {
  outline: none;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-sm, 6px);
}

/* Tour popover buttons — focus ring */
.tour-popover button:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-primary-glow, rgba(59, 130, 246, 0.15));
  border-radius: var(--radius-sm, 6px);
}

/* Focus pulse animation — subtle pulse for important interactive elements */
@keyframes focusPulse {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

/* Apply focus pulse to important CTA buttons and primary actions */
.btn-primary:focus-visible,
.fab-main-btn:focus-visible,
.ob-toggle:focus-visible {
  animation: focusPulse 1.5s ease infinite;
}

/* Dropdown items — keyboard focus */
.dropdown-item:focus-visible {
  outline: none;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-text, #e2e8f0);
}

/* Tool card — focus-within elevation */
.tool-card:focus-visible,
.tool-card:focus-within {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  border-color: var(--color-primary, #3b82f6);
  transform: translateY(-2px);
}

/* Tag pill remove button */
.tag-remove:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 1px;
  border-radius: 50%;
}

/* Modal close button */
.modal-close:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  border-radius: var(--radius-sm, 6px);
}

/* Notification action buttons */
.notif-action-btn:focus-visible,
.notif-clear-btn:focus-visible,
.notif-tab:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 1px;
  border-radius: 4px;
}

/* Notification delete button — visible on focus */
.notif-delete-btn:focus-visible {
  outline: 2px solid var(--color-danger, #ef4444);
  outline-offset: 1px;
  opacity: 1;
}

/* Shortcut dialog close */
.sc-close:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  border-radius: var(--radius-sm, 6px);
}

/* Onboarding toggle and dismiss */
.ob-toggle:focus-visible {
  outline: 2px solid var(--color-accent, #06d6a0);
  outline-offset: 3px;
}

.ob-dismiss:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  border-radius: var(--radius-sm, 6px);
}

/* Tour skip button */
.tour-skip:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  border-radius: var(--radius-sm, 6px);
}

/* Ensure no element has outline:none without a visible alternative */
/* The gs-input already uses outline:none but is within a bordered wrapper */
.gs-input:focus-visible {
  outline: none;
  box-shadow: none;
  /* Focus is shown on the parent gs-dialog border instead */
}

.gs-dialog:focus-within {
  border-color: var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 2px var(--color-primary-glow, rgba(59, 130, 246, 0.15));
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in.will-animate { opacity: 1; transform: none; }
  .toast { animation: none; }
  /* Disable focus pulse animation — keep static focus ring instead */
  .btn-primary:focus-visible,
  .fab-main-btn:focus-visible,
  .ob-toggle:focus-visible {
    animation: none !important;
    box-shadow: 0 0 0 4px var(--color-primary-glow, rgba(59, 130, 246, 0.15));
  }
}

/* Light theme accessibility */
[data-theme="light"] .skip-to-content {
  background: #1d4ed8;
}

/* Light theme focus overrides — standard blue for shared components */
[data-theme="light"] .gs-result-item:focus-visible,
[data-theme="light"] .gs-result-item[aria-selected="true"] {
  outline-color: #2563eb;
  background: rgba(37, 99, 235, 0.08);
}

[data-theme="light"] .notif-item:focus-visible {
  background: rgba(37, 99, 235, 0.06);
  box-shadow: inset 3px 0 0 #2563eb;
}

[data-theme="light"] .modal-dialog:focus-within {
  outline-color: rgba(37, 99, 235, 0.35);
}

[data-theme="light"] .sc-row:focus-visible {
  background: rgba(37, 99, 235, 0.06);
}

@keyframes focusPulseLight {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.35); }
  50% { box-shadow: 0 0 0 6px rgba(37, 99, 235, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

[data-theme="light"] .btn-primary:focus-visible,
[data-theme="light"] .fab-main-btn:focus-visible,
[data-theme="light"] .ob-toggle:focus-visible {
  animation: focusPulseLight 1.5s ease infinite;
}

/* ── Offline Indicator ─────────────────────────────────────────────────── */
.offline-indicator {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: var(--z-popover);
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--color-warning, #f59e0b);
  color: #000; font-size: 0.8125rem; font-weight: 600;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.offline-indicator.offline-visible { transform: translateY(0); }

.offline-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #dc2626;
  animation: offlinePulse 2s ease infinite;
}

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

[data-theme="light"] .offline-indicator {
  background: #fbbf24;
}

/* ── API Retry & Error Overlay ─────────────────────────────────────────── */
.api-retry-overlay {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-popover); display: flex; justify-content: center;
  padding-top: 72px; pointer-events: none;
  opacity: 0; transition: opacity 0.2s ease;
}
.api-retry-overlay.api-retry-visible { opacity: 1; }

.api-retry-card {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-md, 10px);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
}

.api-retry-spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--color-border, #2a3a52);
  border-top-color: var(--color-primary, #3b82f6);
  border-radius: 50%;
  animation: apiSpin 0.8s linear infinite;
}
@keyframes apiSpin { to { transform: rotate(360deg); } }

.api-retry-text { font-size: 0.8125rem; color: var(--color-text, #e2e8f0); }
.api-retry-countdown { color: var(--color-warning, #f59e0b); }
.api-retry-path {
  font-size: 0.6875rem; color: var(--color-text-dim, #5a6a80);
  font-family: var(--font-mono, monospace); max-width: 200px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.api-error-body { text-align: center; padding: 0.5rem 0; }
.api-error-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.api-error-msg {
  color: var(--color-text-muted, #8896ab);
  margin: 0 0 1.25rem; line-height: 1.5;
}
.api-error-actions {
  display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap;
}

[data-theme="light"] .api-retry-card {
  background: #fff; border-color: #e2e8f0;
}

/* ── Modal System ──────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-toast);
  animation: fadeIn 0.15s ease;
}

.modal-dialog {
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 12px;
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border, #1e293b);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted, #8896ab);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 0.25rem;
  line-height: 1;
}

.modal-close:hover { color: var(--color-text, #e2e8f0); }

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border, #1e293b);
}

/* ── Tag Input ─────────────────────────────────────────────────────────── */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(59, 130, 246, 0.15);
  color: #93bbfc;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  padding: 0.125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.tag-pill .tag-remove {
  cursor: pointer;
  opacity: 0.6;
  font-size: 0.875rem;
  line-height: 1;
}

.tag-pill .tag-remove:hover { opacity: 1; }

/* ── Progress Bar ──────────────────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: var(--color-border, #1e293b);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary, #3b82f6);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.progress-bar-fill.success { background: var(--color-success, #10b981); }
.progress-bar-fill.warning { background: var(--color-warning, #f59e0b); }

/* ── Dropdown ──────────────────────────────────────────────────────────── */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 8px;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  z-index: var(--z-dropdown);
  display: none;
}

.dropdown-menu.open { display: block; }

.dropdown-item {
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text, #e2e8f0);
  display: block;
}

.dropdown-item:hover { background: rgba(255, 255, 255, 0.05); }

/* ── Form Inputs (shared) ──────────────────────────────────────────────── */
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 6px;
  color: var(--color-text, #e2e8f0);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary, #3b82f6);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted, #8896ab);
  margin-bottom: 0.375rem;
}

.form-group {
  margin-bottom: 1rem;
}

/* ── Empty State ───────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--color-text-muted, #8896ab);
}

.empty-state h3 {
  color: var(--color-text, #e2e8f0);
  margin-bottom: 0.5rem;
}

.empty-state p { font-size: 0.875rem; }

/* ── Badge / Status ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-blue { background: rgba(59, 130, 246, 0.15); color: #93bbfc; }
.badge-green { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }
.badge-amber { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }
.badge-red { background: rgba(239, 68, 68, 0.15); color: #fca5a5; }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: #c4b5fd; }

/* ── Tool Cards ────────────────────────────────────────────────────────── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.tool-card {
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
  text-decoration: none;
  display: block;
  color: inherit;
}

.tool-card:hover {
  border-color: var(--color-primary, #3b82f6);
  transform: translateY(-2px);
}

.tool-card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}

.tool-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.tool-card p {
  font-size: 0.8125rem;
  color: var(--color-text-muted, #8896ab);
  margin: 0;
  line-height: 1.5;
}

.tool-card .tool-status {
  margin-top: 0.75rem;
  font-size: 0.75rem;
}

/* ── Notification Bell ─────────────────────────────────────────────────── */
.notif-bell-wrap {
  position: relative;
}

.notif-bell {
  background: none;
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 100px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9375rem;
  position: relative;
  transition: background 0.15s;
}
.notif-bell:hover { background: rgba(255,255,255,0.06); }

.notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-danger, #ef4444);
  color: #fff;
  font-size: 0.5625rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}

.notif-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  z-index: var(--z-navbar);
  animation: slideUp 0.15s ease;
}

.notif-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border, #1e293b);
  font-size: 0.8125rem;
  font-weight: 600;
}

.notif-clear-btn {
  background: none;
  border: none;
  color: var(--color-primary, #3b82f6);
  font-size: 0.6875rem;
  cursor: pointer;
}
.notif-clear-btn:hover { text-decoration: underline; }

.notif-empty {
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-dim, #5a6a80);
}

.notif-item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background 0.15s;
}
.notif-item:hover { background: rgba(255,255,255,0.03); }
.notif-item.unread { background: rgba(59,130,246,0.05); }
.notif-item:last-child { border-bottom: none; }

.notif-icon { font-size: 1rem; flex-shrink: 0; padding-top: 0.125rem; }

.notif-body { flex: 1; min-width: 0; }

.notif-msg {
  font-size: 0.8125rem;
  color: var(--color-text, #e2e8f0);
  line-height: 1.4;
}

.notif-time {
  font-size: 0.6875rem;
  color: var(--color-text-dim, #5a6a80);
  margin-top: 0.125rem;
}

/* Bell ring animation */
@keyframes bellRing {
  0%, 100% { transform: rotate(0); }
  15% { transform: rotate(14deg); }
  30% { transform: rotate(-12deg); }
  45% { transform: rotate(10deg); }
  60% { transform: rotate(-8deg); }
  75% { transform: rotate(4deg); }
}
.notif-bell-ring { animation: bellRing 0.6s ease; }

/* Header actions */
.notif-header-actions { display: flex; gap: 0.25rem; }
.notif-action-btn {
  background: none; border: none; cursor: pointer; padding: 0.125rem 0.375rem;
  font-size: 0.75rem; color: var(--color-text-muted, #8896ab); border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}
.notif-action-btn:hover { background: rgba(255,255,255,0.06); color: var(--color-text, #e2e8f0); }

/* Notification filter tabs */
.notif-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--color-border, #1e293b);
}
.notif-tab {
  flex: 1; padding: 0.375rem 0.5rem; font-size: 0.6875rem; font-weight: 500;
  text-align: center; background: none; border: none; cursor: pointer;
  color: var(--color-text-dim, #5a6a80); border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.notif-tab:hover { color: var(--color-text-muted, #8896ab); }
.notif-tab.active {
  color: var(--color-primary, #3b82f6);
  border-bottom-color: var(--color-primary, #3b82f6);
}

/* Delete button on individual notifications */
.notif-delete-btn {
  background: none; border: none; cursor: pointer;
  color: var(--color-text-dim, #5a6a80); font-size: 0.875rem;
  padding: 0; line-height: 1; opacity: 0; transition: opacity 0.15s, color 0.15s;
  flex-shrink: 0;
}
.notif-item:hover .notif-delete-btn { opacity: 1; }
.notif-delete-btn:hover { color: var(--color-danger, #ef4444); }

/* Notification footer */
.notif-footer {
  padding: 0.5rem 1rem; font-size: 0.6875rem; text-align: center;
  color: var(--color-text-dim, #5a6a80); border-top: 1px solid rgba(255,255,255,0.03);
}

@media (max-width: 768px) {
  .notif-dropdown {
    width: 280px;
    right: -60px;
  }
  .notif-tabs { font-size: 0.625rem; }
}

/* ── Global Search (Ctrl+K) ────────────────────────────────────────────── */
.global-search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  z-index: 2000;
  animation: fadeIn 0.1s ease;
}

.gs-dialog {
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 12px;
  width: 90%;
  max-width: 580px;
  max-height: 60vh;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
}

.gs-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--color-border, #1e293b);
}

.gs-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
}

.gs-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text, #e2e8f0);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
}

.gs-input::placeholder { color: var(--color-text-dim, #5a6a80); }

.gs-kbd {
  background: var(--color-bg, #0a0e17);
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 4px;
  padding: 0.125rem 0.375rem;
  font-size: 0.625rem;
  font-family: inherit;
  color: var(--color-text-dim, #5a6a80);
}

.gs-results {
  overflow-y: auto;
  flex: 1;
  max-height: 50vh;
}

.gs-hint {
  padding: 2rem 1.25rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-dim, #5a6a80);
}

.gs-section { padding: 0.5rem 0; }

.gs-section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim, #5a6a80);
  padding: 0.375rem 1.25rem;
}

.gs-result-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.25rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: background 0.1s;
}

.gs-result-item:hover, .gs-result-item.gs-active {
  background: rgba(59, 130, 246, 0.08);
}

.gs-result-icon {
  font-size: 1rem;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.gs-result-info { flex: 1; min-width: 0; }

.gs-result-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text, #e2e8f0);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gs-result-sub {
  font-size: 0.6875rem;
  color: var(--color-text-dim, #5a6a80);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gs-search-all {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--color-border, #1e293b);
  text-align: center;
}

.gs-search-all a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary, #3b82f6);
  text-decoration: none;
}

.gs-search-all a:hover {
  text-decoration: underline;
}

/* ── Onboarding Tour ──────────────────────────────────────────────────── */
.tour-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
}

.tour-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.tour-popover {
  position: fixed;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-primary, #3b82f6);
  border-radius: 10px;
  padding: 1.25rem;
  width: 320px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  z-index: 3001;
  animation: slideUp 0.2s ease;
}

.tour-step-count {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-primary, #3b82f6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.tour-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.tour-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted, #8896ab);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.tour-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tour-skip {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--color-text-dim, #5a6a80);
  font-size: 0.6875rem;
  cursor: pointer;
}

.tour-skip:hover { color: var(--color-text-muted, #8896ab); }

.tour-highlight {
  position: relative;
  z-index: 3001;
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 4px;
  border-radius: 6px;
}

@media (max-width: 768px) {
  .gs-dialog { max-width: 95%; }
  .tour-popover { width: 280px; padding: 1rem; }
}

/* ── Keyboard Shortcuts Help Panel ──────────────────────────────────── */
.sc-overlay {
  position: fixed; inset: 0; z-index: 5000;
  background: rgba(0, 0, 0, 0.55);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.2s ease;
  backdrop-filter: blur(4px);
}
.sc-overlay.sc-visible { opacity: 1; }

.sc-dialog {
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-lg, 16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  width: 520px; max-width: 92vw;
  max-height: 80vh; display: flex; flex-direction: column;
  transform: scale(0.96) translateY(8px);
  transition: transform 0.2s ease;
}
.sc-visible .sc-dialog { transform: scale(1) translateY(0); }

.sc-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--color-border, #2a3a52);
  flex-shrink: 0;
}
.sc-title { font-size: 1.125rem; font-weight: 600; margin: 0; }
.sc-close {
  background: none; border: none; cursor: pointer;
  color: var(--color-text-muted, #8896ab); font-size: 1.5rem;
  line-height: 1; padding: 0.25rem; transition: color 0.15s;
}
.sc-close:hover { color: var(--color-text, #e2e8f0); }

.sc-body {
  padding: 1rem 1.5rem 1.5rem; overflow-y: auto; flex: 1;
}

.sc-section { margin-bottom: 1.25rem; }
.sc-section:last-child { margin-bottom: 0; }
.sc-section-title {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--color-text-muted, #8896ab);
  margin: 0 0 0.625rem;
}

.sc-list { display: flex; flex-direction: column; gap: 0.375rem; }

.sc-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.4375rem 0.625rem; border-radius: var(--radius-sm, 6px);
  transition: background 0.15s;
}
.sc-row:hover { background: rgba(255, 255, 255, 0.04); }

.sc-keys { display: flex; align-items: center; gap: 0.25rem; flex-shrink: 0; }

.sc-kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 1.625rem; height: 1.5rem; padding: 0 0.375rem;
  background: var(--color-bg-secondary, #111827);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: 4px; font-family: var(--font-sans);
  font-size: 0.6875rem; font-weight: 600;
  color: var(--color-text, #e2e8f0);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}

.sc-key-sep {
  font-size: 0.625rem; color: var(--color-text-dim, #5a6a80);
  padding: 0 0.125rem;
}

.sc-desc {
  font-size: 0.8125rem; color: var(--color-text-muted, #8896ab);
  text-align: right;
}

/* Light theme */
[data-theme="light"] .sc-dialog {
  background: #fff; border-color: #e2e8f0;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}
[data-theme="light"] .sc-overlay { background: rgba(0, 0, 0, 0.3); }
[data-theme="light"] .sc-kbd {
  background: #f1f5f9; border-color: #cbd5e1;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .sc-row:hover { background: rgba(0, 0, 0, 0.03); }

@media (max-width: 768px) {
  .sc-dialog { max-width: 95vw; }
  .sc-body { padding: 0.75rem 1rem 1.25rem; }
  .sc-row { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .sc-desc { text-align: left; }
}

/* ── Onboarding Checklist Widget ────────────────────────────────────── */
.ob-widget {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 4000;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
/* Move onboarding widget left on pages with right sidebar tools */
.has-right-sidebar .ob-widget,
body[data-page="research"] .ob-widget,
body[data-page="writing"] .ob-widget {
  right: auto; left: 1.5rem;
}
.ob-widget.ob-visible { opacity: 1; transform: translateY(0); }

.ob-toggle {
  position: relative; width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  box-shadow: var(--shadow-lg);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.ob-toggle:hover {
  border-color: var(--color-accent, #06d6a0);
  box-shadow: 0 4px 20px rgba(6, 214, 160, 0.2);
}

.ob-ring-svg { display: block; }
.ob-ring-fill { transition: stroke-dashoffset 0.6s ease; }

.ob-ring-label {
  position: absolute; inset: 0; display: flex;
  align-items: center; justify-content: center;
  font-size: 0.625rem; font-weight: 700;
  color: var(--color-text, #e2e8f0);
  pointer-events: none;
}

.ob-panel {
  position: absolute; bottom: 56px; right: 0;
  width: 280px; background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-lg, 16px);
  box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(8px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.ob-widget.ob-expanded .ob-panel {
  opacity: 1; transform: translateY(0) scale(1);
  pointer-events: auto;
}

.ob-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.875rem 1rem; border-bottom: 1px solid var(--color-border, #2a3a52);
}
.ob-title {
  font-size: 0.8125rem; font-weight: 600;
  color: var(--color-text, #e2e8f0);
}
.ob-header-actions { display: flex; gap: 0.25rem; }
.ob-dismiss {
  background: none; border: none; cursor: pointer;
  color: var(--color-text-dim, #5a6a80); font-size: 0.875rem;
  padding: 0.125rem 0.25rem; line-height: 1; transition: color 0.15s;
}
.ob-dismiss:hover { color: var(--color-text-muted, #8896ab); }

.ob-steps { padding: 0.5rem 0; }

.ob-step {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 0.5rem 1rem; text-decoration: none;
  color: var(--color-text-muted, #8896ab);
  font-size: 0.8125rem; transition: all 0.15s;
}
.ob-step:hover {
  background: rgba(59, 130, 246, 0.06);
  color: var(--color-text, #e2e8f0);
}

.ob-check {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--color-border, #2a3a52);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.625rem; font-weight: 700; flex-shrink: 0;
  transition: all 0.2s ease; color: transparent;
}
.ob-step.ob-done .ob-check {
  background: var(--color-accent, #06d6a0);
  border-color: var(--color-accent, #06d6a0);
  color: #000;
}
.ob-step.ob-done .ob-step-label {
  text-decoration: line-through;
  color: var(--color-text-dim, #5a6a80);
}

.ob-step-icon { font-size: 1rem; flex-shrink: 0; }
.ob-step-label { flex: 1; }

/* Light theme */
[data-theme="light"] .ob-toggle {
  background: #fff; border-color: #e2e8f0;
}
[data-theme="light"] .ob-panel {
  background: #fff; border-color: #e2e8f0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}
[data-theme="light"] .ob-header { border-bottom-color: #e2e8f0; }
[data-theme="light"] .ob-check { border-color: #cbd5e1; }

@media (max-width: 768px) {
  .ob-widget { bottom: 1rem; right: 1rem; }
  .ob-panel { width: 260px; right: -0.5rem; }
}

/* ── i18n / Locale Switcher ──────────────────────────────────────────── */
.locale-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.locale-switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm, 6px);
  padding: 0.375rem 0.625rem;
  cursor: pointer;
  color: var(--color-text-muted, #8896ab);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.locale-switcher-btn:hover {
  color: var(--color-text, #e2e8f0);
  border-color: var(--color-border, #2a3a52);
  background: rgba(255, 255, 255, 0.04);
}

.locale-flag { font-size: 1rem; line-height: 1; }
.locale-label { font-weight: 500; }

.locale-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-md, 10px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  min-width: 140px;
  padding: 0.375rem;
  opacity: 0;
  transform: translateY(-4px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 5000;
}

.locale-dropdown-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.locale-option {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: none;
  border: none;
  border-radius: var(--radius-sm, 6px);
  color: var(--color-text-muted, #8896ab);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  transition: all 0.12s ease;
}

.locale-option:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-text, #e2e8f0);
}

.locale-option.locale-active {
  color: var(--color-primary, #3b82f6);
  font-weight: 600;
  background: rgba(59, 130, 246, 0.06);
}

/* Light theme */
[data-theme="light"] .locale-switcher-btn:hover {
  border-color: #e2e8f0;
  background: rgba(0, 0, 0, 0.03);
}
[data-theme="light"] .locale-dropdown {
  background: #fff;
  border-color: #e2e8f0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .locale-option:hover {
  background: rgba(59, 130, 246, 0.06);
}

/* ── RTL Layout Hooks ───────────────────────────────────────────────── */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="rtl"] .locale-dropdown {
  right: auto;
  left: 0;
}

[dir="rtl"] .locale-option {
  text-align: right;
}

/* Flip horizontal paddings and margins for RTL */
[dir="rtl"] .ob-widget {
  right: auto;
  left: 1.5rem;
}

[dir="rtl"] .ob-panel {
  right: auto;
  left: 0;
}

[dir="rtl"] .gs-result-icon {
  margin-right: 0;
  margin-left: 0.75rem;
}

[dir="rtl"] .sc-desc {
  text-align: left;
}

[dir="rtl"] .sc-keys {
  order: 1;
}

[dir="rtl"] .tour-skip {
  margin-left: 0;
  margin-right: auto;
}

/* Flip modal close button position */
[dir="rtl"] .modal-close {
  right: auto;
  left: 1rem;
}

/* Flip nav drawer */
[dir="rtl"] .nav-drawer {
  right: auto;
  left: 0;
  transform: translateX(-100%);
}

[dir="rtl"] .nav-drawer.open {
  transform: translateX(0);
}

/* Flip skip link */
[dir="rtl"] .skip-to-content:focus {
  left: auto;
  right: 50%;
  transform: translateX(50%);
}

/* Flip offline indicator dot */
[dir="rtl"] .offline-dot {
  margin-right: 0;
  margin-left: 0.5rem;
}

@media (max-width: 768px) {
  [dir="rtl"] .ob-widget {
    left: 1rem;
    right: auto;
  }
  [dir="rtl"] .ob-panel {
    left: -0.5rem;
    right: auto;
  }
}

/* ── Keyboard Navigation Enhancement ──────────────────────────────────── */

/* Custom focus ring for keyboard navigation */
.kbd-focus-ring:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Enhanced focus for buttons and links */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
  transition: box-shadow 0.15s ease;
}

/* Remove outline for mouse clicks */
button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible),
[tabindex]:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

/* Tab list keyboard navigation */
[role="tablist"] [role="tab"]:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: -2px;
  z-index: 1;
}

[role="tablist"] [role="tab"][aria-selected="true"]:focus-visible {
  outline-color: var(--color-accent, #06d6a0);
}

/* Menu / listbox keyboard navigation */
[role="listbox"] [role="option"]:focus-visible,
[role="menu"] [role="menuitem"]:focus-visible {
  background: rgba(59, 130, 246, 0.1);
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: -2px;
}

/* Card and panel keyboard focus */
.card:focus-visible,
.panel:focus-visible,
[role="group"]:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* Toolbar button keyboard focus */
[role="toolbar"] button:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 1px;
  border-radius: var(--radius-sm, 6px);
  background: rgba(59, 130, 246, 0.08);
}

/* Dialog / modal keyboard focus trap indicator */
[role="dialog"] .modal-content:focus-visible {
  outline: none;
}

/* Sidebar nav items */
.sidebar-nav a:focus-visible,
.sidebar-nav button:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: -2px;
  background: rgba(59, 130, 246, 0.06);
  border-radius: var(--radius-sm, 6px);
}

/* Toggle / switch focus */
.toggle-switch:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 3px;
}

/* Breadcrumb navigation focus */
.breadcrumb a:focus-visible {
  outline: 2px solid var(--color-primary, #3b82f6);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Light theme focus adjustments */
[data-theme="light"] button:focus-visible,
[data-theme="light"] a:focus-visible,
[data-theme="light"] input:focus-visible,
[data-theme="light"] select:focus-visible,
[data-theme="light"] textarea:focus-visible,
[data-theme="light"] [tabindex]:focus-visible {
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

[data-theme="light"] [role="listbox"] [role="option"]:focus-visible,
[data-theme="light"] [role="menu"] [role="menuitem"]:focus-visible {
  background: rgba(59, 130, 246, 0.08);
}

/* High contrast mode support */
@media (forced-colors: active) {
  button:focus-visible,
  a:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible,
  [tabindex]:focus-visible {
    outline: 2px solid Highlight;
    outline-offset: 2px;
  }
}

/* ── Notification Center Enhancements ──────────────────────────────── */

.notif-group-header {
  padding: 0.375rem 1rem;
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dim, #5a6a80);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--color-border, #2a3a52);
  position: sticky;
  top: 0;
  z-index: 1;
}

.notif-cat-label {
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.notif-collapse-badge {
  display: inline-block;
  font-size: 0.5625rem;
  font-weight: 600;
  color: var(--color-primary, #3b82f6);
  background: rgba(59, 130, 246, 0.08);
  padding: 0.0625rem 0.375rem;
  border-radius: 3px;
  margin-top: 0.125rem;
  cursor: pointer;
}

.notif-collapsed {
  border-left: 2px solid var(--color-primary, #3b82f6);
}

/* Notification Preferences Modal: Category toggles */
.notif-prefs-section {
  margin-bottom: 1rem;
}

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

.notif-prefs-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted, #8896ab);
  margin-bottom: 0.625rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--color-border, #2a3a52);
}

.notif-pref-cat-list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.notif-pref-cat-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.4375rem 0.5rem;
  border-radius: var(--radius-sm, 6px);
  transition: background 0.12s;
}

.notif-pref-cat-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.notif-pref-cat-icon {
  font-size: 0.875rem;
  flex-shrink: 0;
  width: 1.25rem;
  text-align: center;
}

.notif-pref-cat-label {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--color-text, #e2e8f0);
}

/* Toggle switch for category prefs */
.notif-pref-toggle {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 18px;
  flex-shrink: 0;
}

.notif-pref-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.notif-pref-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border, #2a3a52);
  border-radius: 9px;
  transition: background 0.2s;
}

.notif-pref-slider::before {
  content: '';
  position: absolute;
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.notif-pref-toggle input:checked + .notif-pref-slider {
  background: var(--color-accent, #06d6a0);
}

.notif-pref-toggle input:checked + .notif-pref-slider::before {
  transform: translateX(14px);
}

/* Light theme */
[data-theme="light"] .notif-group-header {
  background: rgba(0, 0, 0, 0.02);
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] .notif-prefs-section-title {
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] .notif-pref-cat-row:hover {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .notif-pref-slider {
  background: #cbd5e1;
}

/* ── Print-Friendly Styles ────────────────────────────────────────────── */
@media print {
  /* Reset colors to black-on-white */
  *,
  *::before,
  *::after {
    color: #000 !important;
    background: #fff !important;
    box-shadow: none !important;
    text-shadow: none !important;
    border-color: #ccc !important;
  }

  /* Hide navigation, toolbars, sidebars, overlays, and interactive elements */
  nav,
  .navbar,
  .topbar,
  .analytics-topbar,
  .litmap-topbar,
  .hamburger,
  .nav-drawer,
  .nav-drawer-overlay,
  .notif-bell,
  #notif-dropdown,
  .theme-toggle,
  .locale-switcher,
  .skip-to-content,
  .toast,
  #toast-container,
  .modal-overlay,
  .global-search-overlay,
  .tour-overlay,
  .ob-widget,
  .offline-indicator,
  .api-retry-overlay,
  .fab-container,
  .suggestions-toggle,
  .suggestions-sidebar,
  .autosave-indicator,
  .reading-time-remaining,
  .litmap-status-bar,
  footer,
  .footer {
    display: none !important;
  }

  /* Remove fixed positioning */
  .reading-progress,
  .reading-progress-bar {
    display: none !important;
  }

  /* Full-width layout */
  body {
    margin: 0;
    padding: 0;
    font-size: 12pt;
    line-height: 1.6;
    font-family: 'Times New Roman', Times, serif;
  }

  /* Remove background patterns and gradients */
  body::before,
  body::after {
    display: none !important;
  }

  /* Print-optimized typography */
  h1 { font-size: 18pt; margin: 0 0 6pt; }
  h2 { font-size: 16pt; margin: 12pt 0 4pt; }
  h3 { font-size: 14pt; margin: 10pt 0 3pt; }
  h4 { font-size: 12pt; margin: 8pt 0 2pt; }

  p { margin: 0 0 6pt; orphans: 3; widows: 3; }

  /* Prevent page breaks inside elements */
  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    break-after: avoid;
  }

  table, figure, img, blockquote, pre {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Show link URLs in parentheses */
  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 9pt;
    color: #666 !important;
    font-weight: normal;
  }

  /* Don't show URL for internal/anchor links */
  a[href^="#"]::after,
  a[href^="javascript"]::after,
  a.no-print-url::after {
    content: '';
  }

  /* Tables */
  table {
    border-collapse: collapse;
    width: 100%;
  }

  th, td {
    border: 1px solid #ccc !important;
    padding: 4pt 6pt;
    font-size: 10pt;
  }

  th {
    font-weight: bold;
    background: #f0f0f0 !important;
  }

  /* Images */
  img {
    max-width: 100% !important;
    height: auto !important;
  }

  /* Code blocks */
  pre, code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 9pt;
    border: 1px solid #ddd !important;
    padding: 4pt;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  /* Buttons should not print */
  button,
  .btn,
  input[type="button"],
  input[type="submit"] {
    display: none !important;
  }

  /* Canvas elements — show placeholder */
  canvas {
    border: 1px solid #ccc !important;
  }

  /* Page margins */
  @page {
    margin: 2cm;
    size: A4;
  }

  @page :first {
    margin-top: 3cm;
  }
}

/* ── Contextual Help Tooltips ───────────────────────────────────────── */
.help-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--color-primary, #3b82f6);
  font-size: 0.5625rem;
  font-weight: 700;
  cursor: help;
  margin-left: 0.375rem;
  opacity: 0.6;
  transition: all 0.15s ease;
  flex-shrink: 0;
  vertical-align: middle;
  line-height: 1;
}

.help-trigger:hover {
  opacity: 1;
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  transform: scale(1.1);
}

.help-popover {
  position: fixed;
  z-index: 7000;
  width: 260px;
  max-width: 90vw;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  border-radius: var(--radius-md, 10px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  padding: 0.875rem 1rem;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  pointer-events: none;
}

.help-popover.help-popover-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.help-popover-text {
  font-size: 0.8125rem;
  color: var(--color-text, #e2e8f0);
  line-height: 1.5;
  margin-bottom: 0.625rem;
}

.help-popover-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.help-popover-dismiss {
  padding: 0.3125rem 0.75rem;
  background: var(--color-primary, #3b82f6);
  border: none;
  border-radius: var(--radius-sm, 6px);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s;
}

.help-popover-dismiss:hover {
  background: #2563eb;
}

.help-popover-permanent {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.625rem;
  color: var(--color-text-dim, #5a6a80);
  cursor: pointer;
}

.help-popover-permanent input {
  accent-color: var(--color-primary, #3b82f6);
  width: 12px;
  height: 12px;
}

/* Arrow */
.help-popover-arrow {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-bg-card, #1a2233);
  border: 1px solid var(--color-border, #2a3a52);
  transform: rotate(45deg);
}

.help-popover-arrow.arrow-top {
  bottom: -5px;
  border-top: none;
  border-left: none;
}

.help-popover-arrow.arrow-bottom {
  top: -5px;
  border-bottom: none;
  border-right: none;
}

[data-theme="light"] .help-popover {
  background: #fff;
  border-color: #e2e8f0;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .help-popover-arrow {
  background: #fff;
  border-color: #e2e8f0;
}

[data-theme="light"] .help-trigger {
  background: rgba(59, 130, 246, 0.05);
}

/* ── Animation ─────────────────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* ── Collaboration Presence Indicators ─────────────────────────────── */
.collab-presence-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
}
.cp-avatars {
  display: flex;
  align-items: center;
}
.cp-avatar {
  position: relative;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -0.375rem;
  border: 2px solid var(--color-bg, #0f172a);
  cursor: pointer;
  transition: transform 0.15s;
}
.cp-avatar:first-child { margin-left: 0; }
.cp-avatar:hover { transform: scale(1.12); z-index: 2; }
.cp-initials {
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  user-select: none;
}
.cp-status-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  border: 1.5px solid var(--color-bg, #0f172a);
  transition: background 0.3s;
}
.cp-status-online { background: #22c55e; }
.cp-status-idle { background: #f59e0b; }
.cp-status-offline { background: #64748b; }
.cp-overflow {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-surface, #1e293b);
  border: 2px solid var(--color-bg, #0f172a);
  color: var(--color-text-muted, #94a3b8);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -0.375rem;
  cursor: default;
}
.cp-expand-btn {
  background: transparent;
  border: 1px solid var(--color-border, #334155);
  border-radius: 0.375rem;
  color: var(--color-text-muted, #94a3b8);
  padding: 0.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, border-color 0.15s;
}
.cp-expand-btn:hover {
  color: var(--color-primary, #6366f1);
  border-color: var(--color-primary, #6366f1);
}

/* Presence modal */
.cp-modal-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.cp-modal-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border, #334155);
}
.cp-modal-user:last-child { border-bottom: none; }
.cp-avatar-lg {
  width: 2.5rem;
  height: 2.5rem;
  margin-left: 0;
}
.cp-avatar-lg .cp-initials { font-size: 0.8rem; }
.cp-avatar-lg .cp-status-dot { width: 0.65rem; height: 0.65rem; }
.cp-modal-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text, #e2e8f0);
}
.cp-modal-status {
  font-size: 0.75rem;
  font-weight: 500;
}
.cp-status-online-text { color: #22c55e; }
.cp-status-idle-text { color: #f59e0b; }
.cp-status-offline-text { color: #64748b; }

[data-theme="light"] .cp-avatar { border-color: var(--color-bg, #ffffff); }
[data-theme="light"] .cp-status-dot { border-color: var(--color-bg, #ffffff); }
[data-theme="light"] .cp-overflow {
  background: var(--color-surface, #f1f5f9);
  border-color: var(--color-bg, #ffffff);
}

@media (max-width: 640px) {
  .collab-presence-bar { position: static; transform: none; margin: 0.5rem; }
  .cp-avatar { width: 1.75rem; height: 1.75rem; }
  .cp-initials { font-size: 0.55rem; }
}

/* ── Command Palette Enhancements ──────────────────────────────── */
.cmd-section-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted, #64748b);
  padding: 0.6rem 0.75rem 0.25rem;
  user-select: none;
}
.cmd-result-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  border-radius: 0.375rem;
  transition: background 0.1s;
}
.cmd-result-item:hover,
.cmd-result-item.gs-active {
  background: var(--color-primary-alpha, rgba(99, 102, 241, 0.12));
}
.cmd-icon {
  font-size: 1rem;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}
.cmd-label {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text, #e2e8f0);
}
.cmd-section-badge {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted, #64748b);
  background: var(--color-surface, #1e293b);
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  flex-shrink: 0;
}

[data-theme="light"] .cmd-result-item:hover,
[data-theme="light"] .cmd-result-item.gs-active {
  background: rgba(99, 102, 241, 0.08);
}
[data-theme="light"] .cmd-section-badge {
  background: #f1f5f9;
}