:root, [data-theme="light"] {
  --bg-primary: #f9fafb;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f3f4f6;
  --bg-hover: #e5e7eb;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --editor-bg: #ffffff;
  --toolbar-bg: #f9fafb;
  --shadow: rgba(0,0,0,0.1);
  --code-bg: #1e1e1e;
  --code-text: #d4d4d4;
  --blockquote-border: #d1d5db;
  --blockquote-text: #6b7280;
  --inline-code-bg: #f3f4f6;
  --inline-code-text: #e11d48;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-hover: #475569;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border: #334155;
  --border-strong: #475569;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --editor-bg: #1e293b;
  --toolbar-bg: #0f172a;
  --shadow: rgba(0,0,0,0.3);
  --code-bg: #0d1117;
  --code-text: #e6edf3;
  --blockquote-border: #475569;
  --blockquote-text: #94a3b8;
  --inline-code-bg: #334155;
  --inline-code-text: #f472b6;
}

[data-theme="sepia"] {
  --bg-primary: #f5f0e8;
  --bg-secondary: #faf6f0;
  --bg-tertiary: #ede5d8;
  --bg-hover: #ddd3c2;
  --text-primary: #3e2723;
  --text-secondary: #5d4037;
  --text-muted: #a1887f;
  --border: #d7ccc8;
  --border-strong: #bcaaa4;
  --accent: #8d6e63;
  --accent-hover: #6d4c41;
  --editor-bg: #faf6f0;
  --toolbar-bg: #f5f0e8;
  --shadow: rgba(62,39,35,0.1);
  --code-bg: #3e2723;
  --code-text: #d7ccc8;
  --blockquote-border: #bcaaa4;
  --blockquote-text: #8d6e63;
  --inline-code-bg: #ede5d8;
  --inline-code-text: #bf360c;
}

[data-theme="ocean"] {
  --bg-primary: #0c1929;
  --bg-secondary: #132238;
  --bg-tertiary: #1a3050;
  --bg-hover: #234168;
  --text-primary: #e0f2fe;
  --text-secondary: #bae6fd;
  --text-muted: #0ea5e9;
  --border: #1e3a5f;
  --border-strong: #2563eb;
  --accent: #0ea5e9;
  --accent-hover: #38bdf8;
  --editor-bg: #132238;
  --toolbar-bg: #0c1929;
  --shadow: rgba(0,0,0,0.3);
  --code-bg: #0a1628;
  --code-text: #7dd3fc;
  --blockquote-border: #0ea5e9;
  --blockquote-text: #7dd3fc;
  --inline-code-bg: #1a3050;
  --inline-code-text: #fbbf24;
}

[data-theme="rose"] {
  --bg-primary: #1a1017;
  --bg-secondary: #231520;
  --bg-tertiary: #2d1b29;
  --bg-hover: #3d2537;
  --text-primary: #fce7f3;
  --text-secondary: #fbcfe8;
  --text-muted: #f472b6;
  --border: #4a2040;
  --border-strong: #ec4899;
  --accent: #ec4899;
  --accent-hover: #f472b6;
  --editor-bg: #231520;
  --toolbar-bg: #1a1017;
  --shadow: rgba(0,0,0,0.3);
  --code-bg: #1a0f18;
  --code-text: #fda4af;
  --blockquote-border: #ec4899;
  --blockquote-text: #f9a8d4;
  --inline-code-bg: #2d1b29;
  --inline-code-text: #fbbf24;
}

[data-theme="mint"] {
  --bg-primary: #f0fdf9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e6faf4;
  --bg-hover: #ccf5ea;
  --text-primary: #134e4a;
  --text-secondary: #115e59;
  --text-muted: #5eead4;
  --border: #b2dfdb;
  --border-strong: #2dd4bf;
  --accent: #14b8a6;
  --accent-hover: #0d9488;
  --editor-bg: #ffffff;
  --toolbar-bg: #f0fdf9;
  --shadow: rgba(19,78,74,0.1);
  --code-bg: #134e4a;
  --code-text: #ccfbf1;
  --blockquote-border: #2dd4bf;
  --blockquote-text: #5eead4;
  --inline-code-bg: #e6faf4;
  --inline-code-text: #e11d48;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s, color 0.3s;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

header, .bg-white {
  background-color: var(--bg-secondary) !important;
  border-color: var(--border) !important;
}

.border-gray-200 { border-color: var(--border) !important; }
.bg-gray-50 { background-color: var(--bg-tertiary) !important; }
.bg-gray-100 { background-color: var(--bg-tertiary) !important; }
.hover\:bg-gray-50:hover { background-color: var(--bg-hover) !important; }
.hover\:bg-gray-100:hover { background-color: var(--bg-hover) !important; }
.hover\:bg-gray-200:hover { background-color: var(--bg-hover) !important; }
.text-gray-900, .text-gray-800, .text-gray-700, .text-gray-600, .text-gray-500 {
  color: var(--text-secondary) !important;
}

.tb-btn {
  padding: 4px 10px;
  border: none;
  background: transparent;
  color: var(--text-secondary, #4b5563);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 0.15s, color 0.15s;
}
.tb-btn:hover {
  background-color: var(--bg-hover, #e5e7eb);
  color: var(--text-primary, #111827);
}
.tb-btn.tb-active {
  background-color: var(--accent, #2563eb);
  color: #ffffff !important;
}
.tb-btn.tb-btn-accent {
  background-color: #eff6ff;
  color: #2563eb;
}
.tb-btn.tb-btn-accent:hover {
  background-color: #dbeafe;
}
.tb-sep {
  width: 1px;
  height: 20px;
  background-color: var(--border, #e5e7eb);
  margin: 0 4px;
  flex-shrink: 0;
}

#editor {
  min-height: 600px;
  padding: 2rem;
  background-color: var(--editor-bg);
  color: var(--text-primary);
  font-size: 16px;
  font-family: 'Georgia', serif;
  line-height: 1.6;
}

.ce-block__content {
  max-width: 100% !important;
  margin: 0 !important;
}

.ce-toolbar__content {
  max-width: 100% !important;
}

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

.ce-paragraph {
  color: var(--text-primary);
  line-height: 1.7;
}

.ce-header {
  color: var(--text-primary);
  font-weight: 700;
}

h1.ce-header { font-size: 2em; margin: 1.5em 0 0.5em; }
h2.ce-header { font-size: 1.5em; margin: 1.2em 0 0.5em; }
h3.ce-header { font-size: 1.2em; margin: 1em 0 0.5em; }
h4.ce-header { font-size: 1.1em; margin: 0.8em 0 0.5em; }

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

.ce-code__textarea {
  background-color: var(--code-bg) !important;
  color: var(--code-text) !important;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace !important;
  font-size: 14px !important;
  padding: 1rem !important;
  border-radius: 6px !important;
  border: 1px solid var(--border) !important;
}

.cdx-quote {
  border-left: 4px solid var(--blockquote-border) !important;
  padding-left: 1em !important;
  color: var(--blockquote-text) !important;
  font-style: italic;
}

.cdx-quote__text {
  color: var(--blockquote-text) !important;
}

.cdx-quote__caption {
  color: var(--text-muted) !important;
}

.cdx-inline-code__label {
  background-color: var(--inline-code-bg) !important;
  color: var(--inline-code-text) !important;
  padding: 0.2em 0.4em !important;
  border-radius: 3px !important;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace !important;
  font-size: 0.9em !important;
}

.cdx-delimiter__line {
  border-top: 2px solid var(--border) !important;
}

.cdx-marker {
  background-color: #fef08a !important;
  color: inherit !important;
}

.ce-table__wrap {
  border-color: var(--border) !important;
}

.ce-table td,
.ce-table th {
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

.ce-table th {
  background-color: var(--bg-tertiary) !important;
}

#editor img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0.75rem auto;
  border-radius: 0.5rem;
}

#editor img:hover {
  outline: 2px solid var(--accent);
  cursor: pointer;
}

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

.cdx-image img {
  max-width: 100%;
  border-radius: 0.5rem;
}

.cdx-image__caption,
.image-tool__caption,
.image-tool--caption .image-tool__caption {
  display: none !important;
}

.ce-placeholder {
  color: var(--text-muted) !important;
}

.ce-plus {
  color: var(--text-muted) !important;
}

.ce-toolbar__plus:hover,
.ce-toolbar__settings-btn:hover {
  background-color: var(--bg-hover) !important;
}

.ce-inline-toolbar {
  background-color: var(--bg-secondary) !important;
  border-color: var(--border) !important;
  box-shadow: 0 4px 12px var(--shadow) !important;
}

.ce-inline-tool {
  color: var(--text-secondary) !important;
}

.ce-inline-tool:hover {
  background-color: var(--bg-hover) !important;
}

.ce-inline-tool--active {
  color: var(--accent) !important;
}

.ce-conversion-toolbar {
  background-color: var(--bg-secondary) !important;
  border-color: var(--border) !important;
}

.ce-conversion-tool {
  color: var(--text-secondary) !important;
}

.ce-conversion-tool:hover {
  background-color: var(--bg-hover) !important;
}

.ce-settings {
  background-color: var(--bg-secondary) !important;
  border-color: var(--border) !important;
}

.ce-popover {
  background-color: var(--bg-secondary) !important;
  border-color: var(--border) !important;
}

.ce-popover-item:hover {
  background-color: var(--bg-hover) !important;
}

.ce-popover-item__title {
  color: var(--text-secondary) !important;
}

.ce-popover-item--focused {
  background-color: var(--bg-hover) !important;
}

.ce-inline-tool-dropdown {
  background-color: var(--bg-secondary) !important;
  border-color: var(--border) !important;
}

.ce-inline-tool-dropdown-item:hover {
  background-color: var(--bg-hover) !important;
}

.spinner {
  border: 2px solid var(--bg-tertiary);
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.doc-card {
  transition: transform 0.2s, box-shadow 0.2s;
  background-color: var(--bg-secondary);
  border-color: var(--border);
}
.doc-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow);
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 8px;
  z-index: 1000;
  animation: slideUp 0.3s ease-out;
}
.toast-error {
  background: #fef2f2;
  color: #dc2626;
  border-color: #fecaca;
}
[data-theme="dark"] .toast-error {
  background: #450a0a;
  color: #fca5a5;
  border-color: #7f1d1d;
}

@keyframes slideUp {
  from { opacity: 0; transform: translate(-50%, 20px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#aiModal > div,
#imageAiModal > div,
#settingsModal > div {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

@media (max-width: 640px) {
  header { padding: 8px 12px !important; }
  header h1 { font-size: 1rem !important; }
  header .flex.items-center.gap-2 { gap: 4px !important; }
  header button { padding: 6px 10px !important; font-size: 0.75rem !important; }

  .container { padding-left: 8px !important; padding-right: 8px !important; }

  #toolbar {
    padding: 4px 2px !important;
    gap: 2px !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap !important;
  }

  #toolbar .tb-btn {
    padding: 4px 8px !important;
    font-size: 11px !important;
    flex-shrink: 0;
  }

  #editor {
    padding: 1rem !important;
    min-height: 50vh !important;
  }

  .doc-card { padding: 12px !important; }
  .doc-card h3 { font-size: 0.875rem !important; }
  .doc-card p { font-size: 0.75rem !important; }

  #aiOptionsPanel {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    width: 100% !important;
    max-height: 70vh !important;
    border-radius: 16px 16px 0 0 !important;
    margin-bottom: 0 !important;
    padding: 16px !important;
  }

  #aiBtn { width: 48px !important; height: 48px !important; font-size: 1rem !important; }

  #autoFixIndicator { bottom: 60px !important; right: 12px !important; font-size: 0.65rem !important; }

  #settingsModal > div,
  #aiModal > div,
  #imageAiModal > div {
    margin: 8px !important;
    max-height: 95vh !important;
    padding: 16px !important;
    border-radius: 12px !important;
  }

  #imageAiModal > div { max-width: 100% !important; }

  .toast {
    bottom: 80px !important;
    left: 12px !important;
    right: 12px !important;
    transform: none !important;
    font-size: 0.8rem !important;
    padding: 10px 14px !important;
    text-align: center;
  }

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

  .grid-cols-2 { grid-template-columns: 1fr !important; }
  #generateTab .grid.grid-cols-2 { grid-template-columns: 1fr !important; }
  .max-w-4xl { max-width: 100% !important; }

  .flex.gap-2.mb-4.border-b {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .flex.gap-2.mb-4.border-b button {
    flex-shrink: 0;
    font-size: 0.8rem !important;
    padding: 6px 12px !important;
  }

  textarea { font-size: 16px !important; }
  input[type="text"], input[type="password"], select { font-size: 16px !important; }
}