:root {
  --editor-toolbar-bg: #ffffff;
  --editor-border: #f1f5f9;
  --editor-text: #334155;
  --editor-accent: #0f172a;
  --editor-hover: #f8fafc;
  --editor-active-bg: #f1f5f9;
  --editor-active-text: #0f172a;
  --editor-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.editor-container {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: white;
  overflow: hidden;
  margin-top: 1rem;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

.title-input {
  width: 100%;
  border: none;
  outline: none;
  font-size: 2.5rem;
  font-weight: 800;
  padding: 32px 32px 16px 32px;
  font-family: var(--editor-font);
  color: #0f172a;
  letter-spacing: -0.025em;
  background: transparent;
  box-sizing: border-box;
}

.title-input::placeholder {
  color: #cbd5e1;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  background: var(--editor-toolbar-bg);
  border-bottom: 1px solid var(--editor-border);
  flex-wrap: wrap;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  border-right: 1px solid #f1f5f9;
}

.toolbar-group:last-child {
  border-right: none;
}

.editor-toolbar button,
.editor-toolbar select {
  background: transparent;
  border: none;
  padding: 8px;
  border-radius: 6px;
  color: var(--editor-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  font-family: var(--editor-font);
  font-size: 14px;
}

.editor-toolbar button:hover {
  background: var(--editor-hover);
}

.editor-toolbar button.active {
  background: var(--editor-active-bg);
  color: var(--editor-active-text);
}

.editor-toolbar button svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
  color: #64748b;
}

.editor-toolbar button.active svg {
  color: var(--editor-accent);
}

.editor-toolbar select {
  appearance: none;
  padding: 6px 32px 6px 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 15 5 5 5-5'/%3E%3Cpath d='m7 9 5-5 5 5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 14px;
  cursor: pointer;
  min-width: 100px;
}

.editor-toolbar select:hover {
  background-color: var(--editor-hover);
}

#editor {
  padding: 32px;
  min-height: 618px;
  outline: none;
  font-family: var(--editor-font);
  line-height: 1.8;
  color: #1e293b;
  font-size: 16px;
}

.tiptap h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.75em;
  color: #0f172a;
}

.tiptap h2 {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.75em;
  color: #1e293b;
}

.tiptap p {
  margin-bottom: 1.25em;
}

.tiptap p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  float: left;
  color: #94a3b8;
  pointer-events: none;
  height: 0;
}

#import_md_btn {
  font-weight: 500;
  color: #64748b;
  padding: 6px 12px !important;
}

.editor-main-layout {
  display: flex;
  gap: 24px;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 24px;
  box-sizing: border-box;
  align-items: flex-start;
}

.editor-content-area {
  flex: 1;
  min-width: 0;
}

.editor-sidebar {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 0;
}

.sidebar-section {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.sidebar-section h3 {
  font-size: 14px;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-section select,
.sidebar-section button {
  width: 100%;
  margin-bottom: 8px;
}

.sidebar-section .category-select {
  appearance: none;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: var(--editor-font);
  font-size: 14px;
  color: #1e293b;
  background-color: #f8fafc;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  cursor: pointer;
}

.sidebar-section .category-select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.publish-btn {
  background: #0f172a !important;
  color: white !important;
  font-weight: 600;
  padding: 12px !important;
  border-radius: 8px !important;
  transition: background 0.2s;
}

.publish-btn:hover {
  background: #1e293b !important;
}

.sidebar-action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: white;
  color: #475569;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.sidebar-action-btn:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #1e293b;
}

.sidebar-action-btn svg {
  width: 18px;
  height: 18px;
}

#commit_message_input {
  width: 100%;
  padding: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: var(--editor-font);
  font-size: 15px;
  color: #1e293b;
  background: #f8fafc;
  transition: all 0.2s;
}

#commit_message_input:focus {
  outline: none;
  border-color: #3b82f6;
  background: white;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.snapshot-item {
  padding: 12px 0;
  border-bottom: 1px solid #f1f5f9;
}

.snapshot-item:last-child {
  border-bottom: none;
}

.snapshot-name {
  font-size: 15px;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.4;
}

.snapshot-time {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 2px;
}