/* ================================================
   DexThemes — styles.css
   Claude Desktop-inspired, shell-themed UI
   ================================================ */

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

:root {
  --bg: #2b2a27;
  --sidebar-bg: #262523;
  --surface: #343330;
  --surface-raised: #3d3c38;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text-primary: #ece9df;
  --text-secondary: #a8a49a;
  --text-muted: #706c63;
  --accent: #da7756;
  --accent-hover: #e08a6c;
  --accent-dim: rgba(218, 119, 86, 0.12);
  --accent-border: rgba(218, 119, 86, 0.25);
  --green: #7dae6b;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

/* ================================================
   SHELL GRID
   ================================================ */

.shell {
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  grid-template-rows: 1fr;
  height: 100vh;
}

/* ================================================
   SIDEBAR
   ================================================ */

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-top: 48px;
  -webkit-app-region: drag;
  transition: background var(--transition), border-color var(--transition);
}

.sidebar-header {
  padding: 0 14px 12px;
  flex-shrink: 0;
  -webkit-app-region: no-drag;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.sidebar-logo {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
  color: var(--accent);
}

.sidebar-brand-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.sidebar-brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: -1px;
  transition: color var(--transition);
}

.new-chat-btn {
  width: 100%;
  padding: 7px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s, border-color 0.15s, color var(--transition);
  -webkit-app-region: no-drag;
}

.new-chat-btn:hover {
  background: var(--surface-raised);
  border-color: var(--border-strong);
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 0 14px 4px;
  transition: background var(--transition);
}

/* (Search styles moved to SEARCH BAR WITH FILTERS section) */

/* ================================================
   SEARCH BAR WITH FILTERS
   ================================================ */

.search-bar-wrapper {
  position: relative;
  margin: 4px 14px 8px;
  -webkit-app-region: no-drag;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color 0.15s;
}

.search-bar:focus-within {
  border-color: var(--accent);
}

.search-bar svg {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: color var(--transition);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font);
  min-width: 0;
}

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

.search-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.search-filter-btn,
.search-sort-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 5px;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  padding: 0;
  position: relative;
}

.search-filter-btn:hover,
.search-sort-btn:hover {
  background: var(--surface-raised);
  color: var(--text-primary);
}

.search-filter-btn.has-filter,
.search-sort-btn.has-sort {
  color: var(--accent);
}

/* Dropdown menu (shared between filter & sort) */
.search-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 160px;
  background: var(--surface-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 50;
  padding: 4px;
  display: none;
  animation: dropdownIn 0.12s ease;
}

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

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

.dropdown-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 6px 10px 4px;
  font-weight: 600;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 5px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  font-family: var(--font);
  transition: background 0.1s, color 0.1s;
  text-align: left;
}

.dropdown-item:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.dropdown-item.active {
  color: var(--accent);
}

.dropdown-item .check {
  width: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 6px;
}

/* ================================================
   CATEGORIES (Projects) + THREADS
   ================================================ */

.category-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
  -webkit-app-region: no-drag;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.06) transparent;
}

.category-list::-webkit-scrollbar { width: 4px; }
.category-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

.category {
  margin-bottom: 2px;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  transition: background 0.12s, color var(--transition);
  user-select: none;
}

.category-header:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.category-chevron {
  flex-shrink: 0;
  transition: transform 0.2s;
  opacity: 0.5;
}

.category-chevron.expanded {
  transform: rotate(90deg);
}

.category-icon {
  flex-shrink: 0;
  opacity: 0.6;
}

.category-name {
  flex: 1;
}

.category-count {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--surface);
  padding: 1px 6px;
  border-radius: 10px;
  transition: background var(--transition), color var(--transition);
}

.category-threads {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.category-threads.expanded {
  max-height: 1200px;
}

.thread-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px 5px 36px;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.12s;
}

.thread-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

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

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

.thread-title {
  font-size: 12px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition);
}

.thread-item.active .thread-title {
  color: var(--accent);
}

.thread-empty {
  padding: 8px 14px 8px 36px;
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

.thread-group {
  padding: 6px 0 4px;
}

.thread-group + .thread-group {
  margin-top: 2px;
}

.thread-group-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 14px 4px 30px;
  background: transparent;
  border: 0;
  color: var(--text-muted);
  cursor: pointer;
  text-align: left;
}

.thread-group-toggle:hover {
  color: var(--text-secondary);
}

.thread-group-toggle.is-pinned {
  color: var(--text-secondary);
}

.thread-group-chevron {
  flex-shrink: 0;
  opacity: 0.6;
  transition: transform 0.18s ease;
}

.thread-group-chevron.expanded {
  transform: rotate(90deg);
}

.thread-group-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: inherit;
  opacity: 0.72;
  flex: 1;
}

.thread-group-count {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-muted);
}

.thread-group-pin {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.15s ease;
}

.thread-group-pin.visible {
  opacity: 0.85;
}

.thread-group-items {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.22s ease;
}

.thread-group-items.expanded {
  max-height: 1200px;
}

.sidebar-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  -webkit-app-region: no-drag;
  transition: border-color var(--transition);
}

.sidebar-footer-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-meta {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.5;
  transition: color var(--transition);
}

.github-footer-link {
  color: var(--text-muted);
  transition: color 0.15s;
  flex-shrink: 0;
  display: flex;
}

.github-footer-link:hover {
  color: var(--text-secondary);
}

.footer-credit-link {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s;
}

.footer-credit-link:hover {
  opacity: 0.8;
}

.sidebar-footer-disclaimer {
  font-size: 9px;
  color: var(--text-muted);
  opacity: 0.6;
  margin-top: 4px;
  line-height: 1.3;
  transition: color var(--transition);
}

/* ================================================
   MAIN AREA
   ================================================ */

.main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
  min-width: 0;
  transition: background var(--transition);
}

.main-header {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  transition: border-color var(--transition);
}

.main-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}

.preview-area {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* ================================================
   CHAT PREVIEW WINDOW
   ================================================ */

.preview-window {
  width: 100%;
  max-width: 680px;
  height: 100%;
  background: #111;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: background 0.3s, border-color 0.3s;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}

.preview-titlebar {
  height: 40px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s;
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transition: background 0.3s;
  cursor: pointer;
  position: relative;
}

.preview-dots:hover .preview-dot:nth-child(1) { background: #ff5f57 !important; }
.preview-dots:hover .preview-dot:nth-child(2) { background: #febc2e !important; }
.preview-dots:hover .preview-dot:nth-child(3) { background: #28c840 !important; }

.preview-dot:hover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(0,0,0,0.15);
}

.preview-window-title {
  margin: 0 auto;
  font-size: 12px;
  font-weight: 500;
  transition: color 0.3s;
}

.preview-chat {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.3s;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.06) transparent;
}

.preview-chat::-webkit-scrollbar { width: 4px; }
.preview-chat::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

.user-msg {
  align-self: flex-end;
  border-radius: 18px 18px 4px 18px;
  padding: 10px 16px;
  max-width: 80%;
  font-size: 13px;
  line-height: 1.5;
  font-family: var(--font);
  transition: background 0.3s, color 0.3s;
}

.assistant-msg {
  align-self: flex-start;
  padding: 4px 0;
  max-width: 90%;
  font-size: 13px;
  line-height: 1.65;
  font-family: var(--font);
  transition: color 0.3s;
}

.assistant-msg p {
  margin-bottom: 8px;
}

.code-block {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  margin-top: 8px;
  line-height: 1.7;
  overflow-x: auto;
  transition: background 0.3s, border-color 0.3s;
}

.preview-input-bar {
  padding: 10px 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  transition: background 0.3s;
}

.preview-input-inner {
  display: flex;
  align-items: center;
  border-radius: 20px;
  padding: 8px 14px;
  gap: 10px;
  transition: background 0.3s, border-color 0.3s;
}

.preview-input-text {
  flex: 1;
  font-size: 13px;
  font-family: var(--font);
  transition: color 0.3s;
  background: none;
  border: none;
  outline: none;
  padding: 0;
  line-height: 1.5;
}

.preview-input-text::placeholder {
  opacity: 0.3;
}

.preview-send-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.3s;
}



/* ================================================
   WINDOW STATES — fullscreen / closed / minimized
   ================================================ */

.preview-window.fullscreen {
  max-width: 100%;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

.preview-area.fullscreen-area {
  padding: 0;
}

/* Closed state — easter egg background */
.preview-closed-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: 100%;
  text-align: center;
  animation: fadeIn 0.4s ease;
}

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

.preview-closed-overlay .easter-egg-text {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 360px;
  line-height: 1.6;
}

.preview-closed-overlay .easter-egg-emoji {
  font-size: 40px;
  margin-bottom: 4px;
}

.reopen-btn {
  padding: 8px 20px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 13px;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}

.reopen-btn:hover { opacity: 0.88; }

/* ================================================
   RIGHT PANEL
   ================================================ */

.panel {
  background: var(--sidebar-bg);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition);
}

.panel-header {
  padding: 48px 16px 12px;
  flex-shrink: 0;
}

.panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}

/* ================================================
   VARIANT CARDS container — scrollable, flexible
   ================================================ */

.variant-cards {
  flex: 1;
  overflow-y: auto;
  padding: 0 0 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.06) transparent;
}

.variant-cards::-webkit-scrollbar { width: 4px; }
.variant-cards::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

.variant-card {
  margin: 0 12px 10px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.variant-card:hover {
  border-color: var(--border-strong);
}

.variant-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-border);
}

.variant-card-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.variant-card.selected .variant-card-label {
  color: var(--accent);
}

.mini-preview {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.3s;
  min-height: 90px;
}

.mini-user {
  align-self: flex-end;
  border-radius: 12px 12px 3px 12px;
  padding: 6px 10px;
  font-size: 10px;
  line-height: 1.4;
  max-width: 75%;
  transition: background 0.3s, color 0.3s;
}

.mini-assistant {
  font-size: 10px;
  line-height: 1.5;
  transition: color 0.3s;
}

.mini-code {
  border-radius: 4px;
  padding: 5px 7px;
  font-size: 9px;
  font-family: var(--font-mono);
  margin-top: 4px;
  line-height: 1.6;
  transition: background 0.3s, border-color 0.3s;
}

/* ================================================
   PANEL ACTIONS — pinned to bottom
   ================================================ */

.panel-actions {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.detail-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  transition: color var(--transition);
}

.detail-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  transition: color var(--transition);
}

.accent-dots {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  margin-top: 2px;
}

.accent-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.12s, border-color 0.12s;
}

.accent-dot:hover {
  transform: scale(1.15);
}

.accent-dot.selected {
  border-color: var(--text-primary);
}

.copy-btn, .builder-share-btn {
  width: 100%;
  padding: 9px 14px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s, background 0.25s;
  font-weight: 500;
}

.copy-btn:hover {
  opacity: 0.88;
}

.copy-btn.copied {
  background: var(--green);
}

.import-hint {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.5;
  text-align: center;
  transition: color var(--transition);
}

/* Apply to Codex button */
.apply-codex-btn, .share-x-btn {
  --btn-icon-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 16px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.apply-codex-btn svg, .share-x-btn svg {
  width: var(--btn-icon-size);
  height: var(--btn-icon-size);
  flex-shrink: 0;
}

.apply-codex-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  margin-bottom: 6px;
}

.apply-codex-btn:hover {
  filter: brightness(1.1);
}

.apply-codex-btn.copied {
  background: var(--green, #22c55e);
}

/* Share on X button */
.share-x-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
}

.share-x-btn:hover {
  background: var(--surface-raised);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* svg sizing handled by shared .apply-codex-btn, .share-x-btn rule above */

/* ================================================
   THEME BUILDER PANEL
   ================================================ */

.builder-panel {
  padding: 0 16px;
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.06) transparent;
}

.builder-panel::-webkit-scrollbar { width: 4px; }
.builder-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

.builder-section {
  margin-bottom: 16px;
}

.builder-section-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.builder-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.builder-field-label {
  font-size: 12px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.builder-color-input {
  display: flex;
  align-items: center;
  gap: 6px;
}

.builder-color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 2px solid var(--border);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color 0.15s, transform 0.1s;
  flex-shrink: 0;
}

.builder-color-swatch:hover {
  border-color: var(--border-strong);
  transform: scale(1.08);
}

.builder-color-swatch input[type="color"] {
  position: absolute;
  inset: -4px;
  width: calc(100% + 8px);
  height: calc(100% + 8px);
  border: none;
  cursor: pointer;
  opacity: 0;
}

.builder-color-hex {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  width: 62px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 6px;
  text-align: center;
  outline: none;
  transition: border-color 0.15s, color var(--transition), background var(--transition);
}

.builder-color-hex:focus {
  border-color: var(--accent);
}

/* Color me Lucky + Reset buttons */
.builder-fun-row {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.builder-lucky-btn,
.builder-reset-btn {
  flex: 1;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.12s, border-color 0.12s, color 0.12s, transform 0.1s;
}

.builder-lucky-btn {
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
}

.builder-lucky-btn:hover {
  background: var(--accent);
  color: #fff;
  transform: scale(1.02);
}

.builder-reset-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.builder-reset-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* Name required warning */
.builder-name-input.name-required {
  border-color: #e55;
  animation: nameShake 0.3s ease;
}

@keyframes nameShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.builder-name-warning {
  font-size: 10px;
  color: #e55;
  margin: -8px 0 8px;
  display: none;
}

.builder-name-warning.visible {
  display: block;
}

.builder-variant-toggle {
  display: flex;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 12px;
}

.builder-variant-btn {
  flex: 1;
  padding: 6px;
  font-size: 11px;
  font-family: var(--font);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  background: var(--surface);
  border: none;
  color: var(--text-secondary);
  transition: background 0.12s, color 0.12s;
}

.builder-variant-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.builder-name-input {
  width: 100%;
  padding: 7px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font);
  outline: none;
  margin-bottom: 12px;
  transition: border-color 0.15s, background var(--transition), color var(--transition);
}

.builder-name-input:focus {
  border-color: var(--accent);
}

.builder-actions {
  padding: 12px 16px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition);
}

.builder-share-btn {
  width: 100%;
  padding: 9px 14px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s;
}

.builder-share-btn:hover { opacity: 0.88; }

.builder-submit-hint {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
  transition: color var(--transition);
}

.builder-back-btn {
  width: 100%;
  padding: 7px 14px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.12s, border-color 0.12s;
}

.builder-back-btn:hover {
  background: var(--surface);
  border-color: var(--border-strong);
}

/* ================================================
   ONBOARDING OVERLAY
   ================================================ */

.onboarding-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
  padding: 40px;
  animation: fadeIn 0.5s ease;
}

.onboarding-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.onboarding-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 420px;
  line-height: 1.7;
}

.onboarding-steps {
  display: flex;
  gap: 24px;
  margin: 12px 0;
}

.onboarding-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  max-width: 140px;
}

.onboarding-step-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.onboarding-step-text {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.onboarding-step-num {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
}

.onboarding-cta {
  padding: 10px 28px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: opacity 0.15s;
  margin-top: 8px;
}

.onboarding-cta:hover { opacity: 0.88; }

/* Make preview-area position relative for overlay */
.preview-area {
  position: relative;
}

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

@media (max-width: 1000px) {
  .shell {
    grid-template-columns: 0 1fr 260px;
  }
  .sidebar { display: none; }
}

@media (max-width: 640px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  .panel {
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 340px;
  }
  .preview-window {
    border-radius: 0;
    border: none;
    box-shadow: none;
  }
}

/* ================================================
   AUTH UI
   ================================================ */

.sidebar-auth-row {
  padding: 0 12px;
  margin-bottom: 8px;
}

.auth-user-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--surface-raised, rgba(255,255,255,0.04));
  border: 1px solid var(--border);
}

.auth-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
}

.auth-username {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.auth-signout-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 3px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.auth-signout-btn:hover {
  color: var(--text-secondary);
}

/* Header avatar (top-right of sidebar header) */
.header-avatar-wrap {
  position: relative;
  margin-left: auto;
  flex-shrink: 0;
}

.header-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.15s;
}

.header-avatar:hover {
  border-color: var(--accent);
}

.header-user-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--surface-raised, #1e1e1e);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  min-width: 160px;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.header-user-menu-name {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 4px 8px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.header-user-menu-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}

.header-user-menu-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.auth-signin-row {
  position: relative;
}

.auth-signin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.auth-signin-btn:hover {
  background: var(--surface-raised);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.auth-dropdown {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--surface-raised, #1e1e1e);
  border: 1px solid var(--border-strong, #3a3a3a);
  border-radius: 10px;
  padding: 4px;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.auth-provider-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 7px;
  transition: all 0.1s;
}

.auth-provider-btn:hover {
  background: var(--surface-hover, rgba(255,255,255,0.06));
  color: var(--text-primary);
}

.auth-provider-btn svg {
  flex-shrink: 0;
}

/* ================================================
   TOAST NOTIFICATIONS
   ================================================ */

.toast {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  max-width: 400px;
  text-align: center;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-success {
  background: var(--green, #22c55e);
  color: #fff;
}

.toast-error {
  background: #ef4444;
  color: #fff;
}

/* ================================================
   SUBMIT MODAL
   ================================================ */

.submit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.submit-modal {
  background: var(--surface-raised, #1e1e1e);
  border: 1px solid var(--border-strong, #3a3a3a);
  border-radius: 14px;
  padding: 20px;
  width: 90%;
  max-width: 480px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.submit-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.submit-modal-close {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  display: flex;
  transition: color 0.15s;
}

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

.submit-modal-hint {
  font-size: 11.5px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.submit-modal-hint code {
  background: rgba(255,255,255,0.06);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 11px;
}

.submit-json-textarea {
  width: 100%;
  min-height: 200px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface, #111);
  color: var(--text-primary);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11.5px;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.submit-json-textarea:focus {
  border-color: var(--accent);
}

.submit-modal-error {
  font-size: 11.5px;
  color: #ef4444;
  margin-top: 6px;
  min-height: 16px;
}

.submit-modal-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: var(--accent);
  color: #fff;
  transition: all 0.15s;
}

.submit-modal-btn:hover {
  filter: brightness(1.1);
}

/* ================================================
   BUILDER SUBMIT & JSON BUTTONS
   ================================================ */

.builder-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: #22c55e;
  color: #fff;
  transition: all 0.15s;
  margin-top: 6px;
}

.builder-submit-btn:hover {
  filter: brightness(1.1);
}

.builder-github-signin {
  background: #24292e;
  color: #fff;
}

.builder-github-signin:hover {
  background: #2f363d;
}

.builder-json-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-tertiary);
  transition: all 0.15s;
  margin-top: 4px;
}

.builder-json-btn:hover {
  color: var(--text-secondary);
  border-color: var(--border-strong);
}

.builder-signin-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.builder-signin-link:hover {
  text-decoration: underline;
}

/* ================================================
   FLAG BUTTON & AUTHOR HINT
   ================================================ */

.flag-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  padding: 6px 12px;
  margin-top: 8px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  transition: all 0.15s;
}

.flag-btn:hover:not(.flagged) {
  color: #ef4444;
}

.flag-btn.flagged {
  color: var(--text-tertiary);
  opacity: 0.5;
  cursor: default;
}

.theme-author-hint {
  text-align: center;
  font-size: 10.5px;
  color: var(--text-tertiary);
  margin-top: 4px;
  opacity: 0.7;
}