/* ============================================
   main.css — 全域樣式 + CSS 變數
   ============================================ */

:root {
  --color-bg: #1e1e2e;
  --color-surface: #2a2a3e;
  --color-border: #3a3a5c;
  --color-accent: #7c6af7;
  --color-accent-hover: #6b59e8;
  --color-text: #e0e0f0;
  --color-text-muted: #8888aa;
  --color-heading: #c8b8ff;
  --color-navbar: #16161f;
  --color-tabs: #1a1a28;
  --color-status: #12121a;
  --color-tab-active: #2a2a3e;
  --color-tab-inactive: #1a1a28;
  --color-btn: #2e2e48;
  --color-btn-hover: #3c3c5c;
  --color-danger: #e05c5c;
  --color-success: #4caf7d;
  --color-warning: #f0a040;

  --navbar-height: 48px;
  --tabs-height: 38px;
  --status-height: 26px;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans TC',
             'Noto Sans', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --transition: 0.18s ease;
}

[data-theme="dark"] {
  --color-bg: #0d0d0d;
  --color-surface: #1a1a1a;
  --color-border: #2e2e2e;
  --color-accent: #58a6ff;
  --color-accent-hover: #388bfd;
  --color-text: #e6edf3;
  --color-text-muted: #7d8590;
  --color-heading: #79c0ff;
  --color-navbar: #010409;
  --color-tabs: #0d1117;
  --color-status: #010409;
  --color-tab-active: #1a1a1a;
  --color-tab-inactive: #0d1117;
  --color-btn: #21262d;
  --color-btn-hover: #30363d;
}

[data-theme="light"] {
  --color-bg: #ffffff;
  --color-surface: #f6f8fa;
  --color-border: #d0d7de;
  --color-accent: #0969da;
  --color-accent-hover: #0550ae;
  --color-text: #1f2328;
  --color-text-muted: #636c76;
  --color-heading: #0550ae;
  --color-navbar: #f6f8fa;
  --color-tabs: #eaeef2;
  --color-status: #f6f8fa;
  --color-tab-active: #ffffff;
  --color-tab-inactive: #eaeef2;
  --color-btn: #f3f4f6;
  --color-btn-hover: #e9ecef;
  --color-danger: #d1242f;
  --color-success: #1a7f37;
  --color-warning: #9a6700;
}

[data-theme="nord"] {
  --color-bg: #2e3440;
  --color-surface: #3b4252;
  --color-border: #4c566a;
  --color-accent: #88c0d0;
  --color-accent-hover: #81a1c1;
  --color-text: #eceff4;
  --color-text-muted: #d8dee9;
  --color-heading: #8fbcbb;
  --color-navbar: #242933;
  --color-tabs: #2e3440;
  --color-status: #242933;
  --color-tab-active: #3b4252;
  --color-tab-inactive: #2e3440;
  --color-btn: #434c5e;
  --color-btn-hover: #4c566a;
}

/* Solarized Light */
[data-theme="solarized"] {
  --color-bg: #fdf6e3;
  --color-surface: #eee8d5;
  --color-border: #93a1a1;
  --color-accent: #268bd2;
  --color-accent-hover: #1a6fa8;
  --color-text: #657b83;
  --color-text-muted: #93a1a1;
  --color-heading: #073642;
  --color-navbar: #eee8d5;
  --color-tabs: #e8dfc9;
  --color-status: #eee8d5;
  --color-tab-active: #fdf6e3;
  --color-tab-inactive: #e8dfc9;
  --color-btn: #e8dfc9;
  --color-btn-hover: #ddd5bc;
  --color-danger: #dc322f;
  --color-success: #859900;
  --color-warning: #b58900;
}

/* Catppuccin Latte */
[data-theme="latte"] {
  --color-bg: #eff1f5;
  --color-surface: #e6e9ef;
  --color-border: #bcc0cc;
  --color-accent: #1e66f5;
  --color-accent-hover: #1652cc;
  --color-text: #4c4f69;
  --color-text-muted: #8c8fa1;
  --color-heading: #1e1e2e;
  --color-navbar: #dce0e8;
  --color-tabs: #e6e9ef;
  --color-status: #dce0e8;
  --color-tab-active: #eff1f5;
  --color-tab-inactive: #e6e9ef;
  --color-btn: #ccd0da;
  --color-btn-hover: #bcc0cc;
  --color-danger: #d20f39;
  --color-success: #40a02b;
  --color-warning: #df8e1d;
}

/* Rosé Pine Dawn */
[data-theme="rosepine"] {
  --color-bg: #faf4ed;
  --color-surface: #f2e9e1;
  --color-border: #cecacd;
  --color-accent: #d7827e;
  --color-accent-hover: #c46f6b;
  --color-text: #575279;
  --color-text-muted: #9893a5;
  --color-heading: #286983;
  --color-navbar: #f4ede8;
  --color-tabs: #f2e9e1;
  --color-status: #f4ede8;
  --color-tab-active: #faf4ed;
  --color-tab-inactive: #f2e9e1;
  --color-btn: #dfdad9;
  --color-btn-hover: #cecacd;
  --color-danger: #b4637a;
  --color-success: #56949f;
  --color-warning: #ea9d34;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font-ui);
  background: var(--color-bg);
  color: var(--color-text);
  overflow: hidden;
}

/* ---- NAVBAR ---- */
.navbar {
  height: var(--navbar-height);
  background: var(--color-navbar);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  gap: 8px;
  position: relative;
  z-index: 1000;
  overflow: hidden;
}

.nav-left {
  overflow: hidden;
  min-width: 0;
  flex-shrink: 1;
}

.nav-logo {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-accent);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.nav-btn {
  background: var(--color-btn);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
  font-family: var(--font-ui);
}
.nav-btn:hover { background: var(--color-btn-hover); }
.nav-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---- DROPDOWNS ---- */
.dropdown { position: relative; }

.dropdown-menu {
  display: none;
  position: fixed;   /* fixed 脫離所有 stacking context，直接定位至 viewport */
  top: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 160px;
  box-shadow: var(--shadow);
  z-index: 9000;
  overflow: hidden;
}
.dropdown-menu.open { display: block; }
.dropdown-menu button {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text);
  padding: 8px 14px;
  text-align: left;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-ui);
  transition: background var(--transition);
}
.dropdown-menu button:hover { background: var(--color-btn-hover); }
.dropdown-menu button:disabled { opacity: 0.4; cursor: not-allowed; }
.dropdown-menu hr { border: none; border-top: 1px solid var(--color-border); margin: 2px 0; }

/* ---- MODE TOGGLE (mobile) ---- */
.mode-toggle {
  display: flex;
  background: var(--color-btn);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.mode-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  padding: 4px 12px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-ui);
  transition: all var(--transition);
}
.mode-btn.active {
  background: var(--color-accent);
  color: #fff;
}

/* ---- MOBILE DRAWER ---- */
.drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1099;
}
.drawer-backdrop.active { display: block; }

.mobile-drawer {
  position: fixed;
  top: var(--navbar-height);
  right: 0;
  width: 220px;
  height: calc(100dvh - var(--navbar-height));
  overflow-y: auto;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  z-index: 1100;
  padding: 8px 0;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}
.mobile-drawer.drawer-open {
  transform: translateX(0);
}
.mobile-drawer button {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text);
  padding: 10px 16px;
  text-align: left;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--font-ui);
}
.mobile-drawer button:hover { background: var(--color-btn-hover); }
.mobile-drawer hr { border: none; border-top: 1px solid var(--color-border); margin: 4px 0; }
.mobile-drawer .lang-group { padding: 4px 8px; display: flex; gap: 4px; flex-wrap: wrap; }
.mobile-drawer .lang-group button {
  display: inline-block;
  width: auto;
  padding: 4px 10px;
  background: var(--color-btn);
  border-radius: var(--radius);
  font-size: 12px;
}
.mobile-drawer .typo-group {
  padding: 4px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.mobile-drawer .typo-group button {
  display: inline-block;
  width: auto;
  padding: 4px 10px;
  background: var(--color-btn);
  border-radius: var(--radius);
  font-size: 12px;
}
.mobile-drawer .typo-group button.active,
.dropdown-menu button.active {
  background: var(--color-accent);
  color: #fff;
}
.drawer-label {
  display: block;
  width: 100%;
  padding: 4px 8px 2px;
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ---- STATUS BAR ---- */
.status-bar {
  height: var(--status-height);
  background: var(--color-status);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  font-size: 11px;
  color: var(--color-text-muted);
}
.status-sep { color: var(--color-border); }
.status-saved { color: var(--color-success); }
.status-unsaved { color: var(--color-warning); }

.status-outline-btn {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  color: var(--color-text-muted);
  padding: 0 4px;
  transition: color var(--transition);
}
.status-outline-btn::before          { content: '○'; }
.status-outline-btn:hover::before    { content: '◑'; color: var(--color-accent); }
.status-outline-btn.outline-active::before       { content: '<'; }
.status-outline-btn.outline-active:hover::before { content: '<'; color: var(--color-accent); }

/* ---- UTILITY ---- */
.desktop-only { display: inline-flex; }
.mobile-only  { display: none; }

/* ---- OUTLINE BACKDROP ---- */
.outline-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1190;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}
.outline-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* ---- SCROLLBARS ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ---- SETTINGS MODAL ---- */
.modal-overlay {
  display: none; /* hidden by default; JS removes hidden attribute to show */
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay:not([hidden]) {
  display: flex;
}

.modal-dialog {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 2);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
}
.modal-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}
.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  border-radius: var(--radius);
  transition: color var(--transition);
}
.modal-close:hover { color: var(--color-text); }

.modal-body {
  padding: 18px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 18px;
  border-top: 1px solid var(--color-border);
}

/* Settings sections */
.settings-section h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.settings-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}
.settings-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.settings-field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}
.settings-status {
  font-size: 12px;
  font-weight: 500;
}
.settings-status.status-ok  { color: var(--color-success); }
.settings-status.status-warn { color: var(--color-warning); }

.settings-input {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: 13px;
  font-family: var(--font-mono);
  padding: 8px 10px;
  outline: none;
  transition: border-color var(--transition);
}
.settings-input:focus { border-color: var(--color-accent); }

.settings-hint {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 6px;
}
.settings-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-accent);
  text-decoration: none;
}
.settings-link:hover { text-decoration: underline; }

/* Modal buttons */
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 7px 16px;
  font-size: 13px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: background var(--transition);
}
.btn-primary:hover { background: var(--color-accent-hover); }

.btn-secondary {
  background: var(--color-btn);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 7px 16px;
  font-size: 13px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: background var(--transition);
}
.btn-secondary:hover { background: var(--color-btn-hover); }

.modal-version {
  text-align: center;
  font-size: 10px;
  color: var(--color-text-muted);
  padding: 4px 0 8px;
  opacity: 0.6;
  letter-spacing: 0.04em;
}

/* ---- THEME SWATCHES ---- */
.theme-swatches {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}
.theme-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  font-family: var(--font-ui);
  box-shadow: 0 0 0 1px rgba(128,128,128,0.3);
}
.theme-swatch:hover { transform: scale(1.15); }
.theme-swatch.active { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent); }

/* ---- PRINT CSS (匯出 PDF) ---- */
@media print {
  /* Hide all UI chrome */
  .navbar,
  .tabs-bar,
  .editor-pane,
  .editor-toolbar,
  .bottom-toolbar,
  .swipe-dots,
  .status-bar,
  #shortcuts-panel,
  #outline-panel,
  .modal-overlay,
  #drop-zone-overlay,
  #outline-backdrop,
  #shortcuts-backdrop,
  .mobile-drawer { display: none !important; }

  /* Show preview pane regardless of edit/preview mode */
  .editor-wrapper { height: auto !important; overflow: visible !important; }
  .preview-pane   { display: block !important; height: auto !important; overflow: visible !important; border: none !important; }
  .preview-content { max-width: 100% !important; padding: 0 !important; font-size: 12pt !important; }

  body { background: white !important; }
  @page { margin: 20mm; }
}

/* ---- SEARCH / REPLACE PANEL ---- */
.search-panel {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 500;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: none;
  border-right: none;
  border-radius: 0 0 0 var(--radius);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: -2px 2px 8px rgba(0,0,0,0.12);
  min-width: 320px;
}
.search-panel[hidden] { display: none; }

.search-row,
.replace-row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.replace-row[hidden] { display: none; }

.search-row input,
.replace-row input {
  flex: 1;
  height: 28px;
  padding: 0 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) / 2);
  outline: none;
  transition: border-color var(--transition);
}
.search-row input:focus,
.replace-row input:focus {
  border-color: var(--color-accent);
}
.search-panel.no-match #search-input { border-color: #e05c5c; }

.search-count {
  font-size: 11px;
  color: var(--color-text-muted, #888);
  white-space: nowrap;
  min-width: 48px;
  text-align: center;
}

.search-nav-btn,
.search-opt,
.search-close-btn {
  flex-shrink: 0;
  height: 28px;
  min-width: 28px;
  padding: 0 6px;
  font-size: 13px;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) / 2);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.search-nav-btn:hover,
.search-opt:hover,
.search-close-btn:hover { background: var(--color-hover, rgba(128,128,128,0.1)); }
.search-opt.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.search-close-btn { border-color: transparent; font-size: 14px; }

.replace-row button {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
  font-family: var(--font-ui);
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) / 2);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
}
.replace-row button:hover { background: var(--color-hover, rgba(128,128,128,0.1)); }

/* CodeMirror highlight marks */
.cm-search-match {
  background: rgba(255, 213, 0, 0.35);
  border-radius: 2px;
}
.cm-search-match-current {
  background: rgba(255, 140, 0, 0.55);
  border-radius: 2px;
  outline: 1px solid rgba(255, 140, 0, 0.8);
}

/* ---- DROP ZONE OVERLAY (desktop drag & drop) ---- */
.drop-zone-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.08);
  border: 2px dashed var(--color-accent);
  border-radius: 12px;
  margin: 16px;
  z-index: 1800;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}
.drop-zone-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.drop-zone-text {
  font-size: 18px;
  font-family: var(--font-ui);
  color: var(--color-accent);
  background: var(--color-bg);
  padding: 10px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  pointer-events: none;
}

/* ---- iOS INSTALL BANNER ---- */
.ios-install-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  font-family: var(--font-ui);
  color: var(--color-text);
  text-align: center;
}
.ios-install-banner[hidden] { display: none; }
.ios-install-banner button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  flex-shrink: 0;
}

/* ---- ONBOARDING TOUR ---- */

/* Transparent overlay blocks clicks during tour */
#tour-overlay {
  position: fixed;
  inset: 0;
  z-index: 8000;
  pointer-events: auto;
  background: transparent;
}
#tour-overlay[hidden] { display: none; }

/* Spotlight: positioned over target element, box-shadow creates darkened backdrop */
#tour-spotlight {
  position: fixed;
  z-index: 8001;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--color-text) 18%, transparent);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.62);
  pointer-events: none;
  opacity: 0;
  transition: top 0.28s ease, left 0.28s ease,
              width 0.28s ease, height 0.28s ease,
              opacity 0.18s ease, border-color 0.18s ease;
}

/* Step bubble */
#tour-bubble {
  position: fixed;
  z-index: 8002;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 2);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
  padding: 16px 18px 14px;
  width: 300px;
  max-width: calc(100vw - 24px);
  pointer-events: auto;
}
#tour-bubble[hidden] { display: none; }

.tour-bubble-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.tour-progress {
  font-size: 11px;
  color: var(--color-text-muted);
  font-weight: 500;
}
.tour-skip-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius);
  transition: color var(--transition);
}
.tour-skip-btn:hover { color: var(--color-text); }

.tour-bubble-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 6px;
}
.tour-bubble-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0 0 14px;
}
.tour-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.tour-btn {
  border: none;
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 12px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: background var(--transition);
}
.tour-btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.tour-btn-primary:hover { background: var(--color-accent-hover); }
.tour-btn-secondary {
  background: var(--color-btn);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.tour-btn-secondary:hover { background: var(--color-btn-hover); }

/* Welcome card (shown before tour starts) */
#tour-welcome {
  position: fixed;
  z-index: 8002;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 2);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
  padding: 28px 28px 22px;
  width: 340px;
  max-width: calc(100vw - 32px);
  text-align: center;
  pointer-events: auto;
}
#tour-welcome[hidden] { display: none; }

.tour-welcome-icon {
  font-size: 34px;
  margin-bottom: 10px;
  line-height: 1;
}
.tour-welcome-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 8px;
}
.tour-welcome-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0 0 20px;
}
.tour-welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tour-welcome-actions .tour-btn {
  width: 100%;
  padding: 8px 16px;
  font-size: 13px;
}

/* Pulse animation for tour step targets that need extra visual attention */
@keyframes tour-pulse-ring {
  0%   { box-shadow: 0 0 0 0    rgba(139, 92, 246, 0.75); }
  70%  { box-shadow: 0 0 0 10px rgba(139, 92, 246, 0);    }
  100% { box-shadow: 0 0 0 0    rgba(139, 92, 246, 0);    }
}

@keyframes tour-spotlight-breathe {
  0%, 100% {
    box-shadow:
      0 0 0 9999px rgba(0, 0, 0, 0.62),
      0 0 0 1px var(--color-accent),
      0 0 14px color-mix(in srgb, var(--color-accent) 28%, transparent);
  }
  50% {
    box-shadow:
      0 0 0 9999px rgba(0, 0, 0, 0.74),
      0 0 0 2px var(--color-accent),
      0 0 24px color-mix(in srgb, var(--color-accent) 48%, transparent);
  }
}

#tour-spotlight.tour-spotlight-strong {
  border-width: 2px;
  border-color: var(--color-accent);
  animation: tour-spotlight-breathe 1.45s ease-in-out infinite;
}

.tour-pulse-highlight {
  animation: tour-pulse-ring 1.2s ease-out infinite;
  border-radius: 50%;
  position: relative;
  z-index: 8003;
}

/* Hide tour elements in print */
@media print {
  #tour-overlay, #tour-spotlight, #tour-bubble, #tour-welcome { display: none !important; }
}