/* Material Design 3 UI with Dark Mode */

:root {
    /* Primary Colors */
    --primary: #6750A4;
    --on-primary: #FFFFFF;
    --primary-container: #EADDFF;
    --on-primary-container: #21005D;
    
    /* Secondary Colors */
    --secondary: #625B71;
    --on-secondary: #FFFFFF;
    --secondary-container: #E8DEF8;
    --on-secondary-container: #1D192B;
    
    /* Tertiary Colors */
    --tertiary: #7D5260;
    --on-tertiary: #FFFFFF;
    --tertiary-container: #FFD8E4;
    --on-tertiary-container: #31111D;
    
    /* Error Colors */
    --error: #B3261E;
    --on-error: #FFFFFF;
    --error-container: #F9DEDC;
    --on-error-container: #410E0B;
    
    /* Surface Colors */
    --surface: #FFFBFE;
    --on-surface: #1C1B1F;
    --surface-variant: #E7E0EC;
    --on-surface-variant: #49454F;
    --outline: #79747E;
    --outline-variant: #CAC4D0;
    --surface-container: #F0F0F3;
    
    /* Background */
    --background: #FFFBFE;
    --on-background: #1C1B1F;
    
    /* Elevation */
    --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
    --shadow-2: 0 3px 6px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.12);
    --shadow-3: 0 10px 20px rgba(0,0,0,0.15), 0 3px 6px rgba(0,0,0,0.10);
    --shadow-4: 0 14px 28px rgba(0,0,0,0.15), 0 10px 10px rgba(0,0,0,0.12);
    
    /* Shape */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 16px;
    --radius-xlarge: 28px;
    
    /* Animation */
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
    --easing-accelerate: cubic-bezier(0.4, 0, 1, 1);
    
    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed: 72px;
    --topbar-height: 64px;
    
    /* Status Colors */
    --success: #386A20;
    --warning: #F57C00;
    --info: #1976D2;
    --shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --primary: #D0BCFF;
    --on-primary: #381E72;
    --primary-container: #4F378B;
    --on-primary-container: #EADDFF;
    
    --secondary: #CCC2DC;
    --on-secondary: #332D41;
    --secondary-container: #4A4458;
    --on-secondary-container: #E8DEF8;
    
    --tertiary: #EFB8C8;
    --on-tertiary: #492532;
    --tertiary-container: #633B48;
    --on-tertiary-container: #FFD8E4;
    
    --error: #F2B8B5;
    --on-error: #601410;
    --error-container: #8C1D18;
    --on-error-container: #F9DEDC;
    
    --surface: #1C1B1F;
    --on-surface: #E6E1E5;
    --surface-variant: #49454F;
    --on-surface-variant: #CAC4D0;
    --surface-container: #2B2930;
    --outline: #938F99;
    --outline-variant: #49454F;
    
    --background: #1C1B1F;
    --on-background: #E6E1E5;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

/* ==================== 登录页 ==================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, var(--primary-container) 0%, #FFD8E4 100%);
}

[data-theme="dark"] .login-container {
  background: linear-gradient(135deg, var(--surface-container) 0%, #2B2930 100%);
}

.login-box {
  background: var(--surface);
  border-radius: 28px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px var(--shadow);
}

.login-box h1 {
  font-size: 28px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 48px;
  color: var(--primary);
}

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--on-surface-variant); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--outline); border-radius: 12px;
  font-size: 15px; background: var(--surface); color: var(--on-surface);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  transition: all 0.2s ease; outline: none;
}

/* Force textarea font-family override for Chrome */
textarea {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif !important;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-container);
}
.form-group small { font-size: 12px; color: var(--on-surface-variant); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.btn-login {
  width: 100%; padding: 14px 24px; background: var(--primary); color: var(--on-primary);
  border: none; border-radius: 12px; font-size: 15px; font-weight: 500; cursor: pointer;
  transition: all 0.2s ease; margin-top: 12px;
}
.btn-login:hover { opacity: 0.9; box-shadow: 0 4px 12px var(--shadow); }
.btn-login:active { transform: scale(0.98); }

.message { margin-top: 20px; padding: 12px 16px; border-radius: 12px; font-size: 14px; text-align: center; display: none; }
.message.success { display: block; background: #D4EDDA; color: var(--success); }
.message.error { display: block; background: #F8D7DA; color: var(--error); }

/* ==================== 侧边栏 ==================== */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-width);
  background: var(--surface-container); border-right: 1px solid var(--outline-variant);
  display: flex; flex-direction: column; transition: width 0.3s ease; z-index: 100;
}
.sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-header {
  padding: 20px; display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--outline-variant); min-height: 72px;
}
.logo { font-size: 32px; color: var(--primary); flex-shrink: 0; }
.logo-text {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #8b5cf6, #7c3aed, #6d28d9);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}
.nav-external {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(168, 85, 247, 0.05));
  margin-bottom: 8px;
}
.nav-external:hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(168, 85, 247, 0.1));
}
.nav-external-icon {
  margin-left: auto;
  font-size: 16px;
  opacity: 0.5;
}
.sidebar-title { font-size: 18px; font-weight: 500; white-space: nowrap; overflow: hidden; }
.sidebar.collapsed .sidebar-title { opacity: 0; width: 0; }
.sidebar-toggle {
  margin-left: auto; background: none; border: none; cursor: pointer; padding: 8px;
  border-radius: 8px; color: var(--on-surface-variant); transition: all 0.2s;
}
.sidebar-toggle:hover { background: var(--surface-variant); }
.sidebar.collapsed .sidebar-toggle { margin-left: 0; }

.nav-section {
  padding: 16px 20px 8px; font-size: 12px; font-weight: 600;
  color: var(--on-surface-variant); text-transform: uppercase; letter-spacing: 0.5px;
}
.sidebar.collapsed .nav-section { display: none; }

.sidebar-nav { flex: 1; padding: 8px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 16px; padding: 12px 16px;
  border-radius: 12px; color: var(--on-surface-variant); text-decoration: none;
  margin-bottom: 2px; transition: all 0.2s;
}
.nav-item:hover { background: var(--surface-variant); color: var(--on-surface); }
.nav-item.active { background: var(--primary-container); color: var(--primary); }
.nav-item .material-symbols-outlined { font-size: 24px; flex-shrink: 0; }
.nav-text { white-space: nowrap; overflow: hidden; font-size: 14px; font-weight: 500; }
.sidebar.collapsed .nav-text { opacity: 0; width: 0; }

.sidebar-footer { padding: 16px; border-top: 1px solid var(--outline-variant); }
.user-info-mini { display: flex; align-items: center; gap: 12px; padding: 8px; border-radius: 12px; background: var(--surface-variant); margin-bottom: 12px; }
.user-info-mini .material-symbols-outlined { font-size: 24px; color: var(--on-surface-variant); }
.user-name { font-size: 14px; font-weight: 500; overflow: hidden; white-space: nowrap; }
.sidebar.collapsed .user-name { opacity: 0; width: 0; }
.sidebar-actions { display: flex; gap: 8px; justify-content: center; }
.btn-icon-small { background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; color: var(--on-surface-variant); transition: all 0.2s; }
.btn-icon-small:hover { background: var(--surface-variant); color: var(--primary); }

/* ==================== 主内容区 ==================== */
.main-content { margin-left: var(--sidebar-width); min-height: 100vh; transition: margin-left 0.3s ease; }
.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-collapsed); }

.topbar {
  position: sticky; top: 0; height: var(--topbar-height); background: var(--surface);
  border-bottom: 1px solid var(--outline-variant); display: flex; align-items: center;
  padding: 0 24px; z-index: 50;
}
.menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; color: var(--on-surface-variant); margin-right: 16px; }
.menu-btn:hover { background: var(--surface-variant); }
.page-title { font-size: 20px; font-weight: 500; flex: 1; }
.topbar-actions { display: flex; gap: 8px; }

.page-container { padding: 24px; max-width: 1400px; }
.page { display: none; }
.page.active { display: block; }

/* ==================== 统计卡片 ==================== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border-radius: 20px; padding: 24px; display: flex; align-items: center; gap: 16px; box-shadow: 0 2px 8px var(--shadow); }
.stat-icon { font-size: 48px; color: var(--primary); }
.stat-info { display: flex; flex-direction: column; }
.stat-value { font-size: 32px; font-weight: 600; }
.stat-label { font-size: 14px; color: var(--on-surface-variant); }

/* ==================== 卡片 ==================== */
.card { background: var(--surface); border-radius: 20px; box-shadow: 0 2px 8px var(--shadow); overflow: hidden; }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--outline-variant); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.card-header h2 { font-size: 18px; font-weight: 500; }

/* ==================== 按钮 ==================== */
.btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background: var(--primary); color: var(--on-primary); border: none; border-radius: 12px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.2s; }
.btn-primary:hover { box-shadow: 0 4px 12px var(--shadow); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background: var(--surface-variant); color: var(--on-surface); border: 1px solid var(--outline); border-radius: 12px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.2s; }
.btn-secondary:hover { background: var(--surface); }
.btn-icon { background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; color: var(--on-surface-variant); transition: all 0.2s; }
.btn-icon:hover { background: var(--surface-variant); color: var(--primary); }
.btn-icon.danger:hover { background: #F8D7DA; color: var(--error); }

/* ==================== 表格 ==================== */
.table-container { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 14px 20px; text-align: left; border-bottom: 1px solid var(--outline-variant); }
.data-table th { font-size: 13px; font-weight: 500; color: var(--on-surface-variant); background: var(--surface-container); }
.data-table td { font-size: 14px; }
.data-table tr:hover td { background: var(--surface-variant); }
.actions { display: flex; gap: 4px; }

.status-badge { display: inline-block; padding: 4px 12px; border-radius: 100px; font-size: 12px; font-weight: 500; }
.status-badge.published, .status-badge.active, .status-badge.success { background: #D4EDDA; color: var(--success); }
.status-badge.draft, .status-badge.inactive { background: var(--surface-variant); color: var(--on-surface-variant); }
.status-badge.info { background: #D1E9FF; color: var(--info); }
.status-badge.warning { background: #FFF3D1; color: var(--warning); }
.status-badge.error { background: #F8D7DA; color: var(--error); }

/* ==================== 模态框 ==================== */
.modal { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); z-index: 200; align-items: center; justify-content: center; padding: 24px; }
.modal.show { display: flex; }
.modal-content { background: var(--surface); border-radius: 28px; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; animation: slideUp 0.3s ease; }
.modal-small { max-width: 400px; }
.modal-large { max-width: 640px; }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--outline-variant); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 20px; font-weight: 500; }
.modal-content form { padding: 24px; }
.form-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }
.close { font-size: 28px; color: var(--on-surface-variant); cursor: pointer; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: all 0.2s; }
.close:hover { background: var(--surface-variant); }

/* ==================== 文件管理 ==================== */
.file-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; padding: 24px; }
.file-item { background: var(--surface-variant); border-radius: 16px; padding: 16px; text-align: center; transition: all 0.2s; cursor: pointer; }
.file-item:hover { box-shadow: 0 4px 12px var(--shadow); }
.file-item img { width: 80px; height: 80px; object-fit: cover; border-radius: 8px; margin-bottom: 8px; }
.file-item .material-symbols-outlined { font-size: 48px; color: var(--on-surface-variant); }
.file-name { font-size: 13px; word-break: break-all; margin-bottom: 8px; }

.upload-area { border: 2px dashed var(--outline); border-radius: 16px; padding: 40px; text-align: center; cursor: pointer; transition: all 0.2s; }
.upload-area:hover { border-color: var(--primary); background: var(--surface-variant); }
.upload-area input { display: none; }
.upload-area .material-symbols-outlined { font-size: 48px; color: var(--on-surface-variant); }

/* ==================== 设置页面 ==================== */
.settings-form { padding: 24px; max-width: 600px; }

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: var(--sidebar-width); }
  .sidebar.open { transform: translateX(0); }
  .sidebar.collapsed { width: var(--sidebar-width); }
  .main-content, .sidebar.collapsed ~ .main-content { margin-left: 0; }
  .menu-btn { display: flex; }
  .sidebar-toggle { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .data-table th, .data-table td { padding: 12px 16px; }
  .page-container { padding: 16px; }
  .login-box { padding: 32px 24px; }
}

.overlay { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); z-index: 99; }
.overlay.show { display: block; }

/* ==================== Toast 通知 ==================== */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 20px; border-radius: 12px; font-size: 14px; color: white; animation: slideIn 0.3s ease; display: flex; align-items: center; gap: 8px; }
.toast.success { background: var(--success); }
.toast.error { background: var(--error); }
.toast.info { background: var(--info); }
.toast.warning { background: var(--warning); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ==================== 搜索 ==================== */
.search-box { padding: 24px; }
.search-box input { width: 100%; padding: 16px 20px; border: 1px solid var(--outline); border-radius: 12px; font-size: 16px; background: var(--surface); color: var(--on-surface); outline: none; }
.search-box input:focus { border-color: var(--primary); }
.search-results { max-height: 400px; overflow-y: auto; }
.search-result-item { padding: 12px 24px; border-bottom: 1px solid var(--outline-variant); cursor: pointer; display: flex; align-items: center; gap: 12px; }
.search-result-item:hover { background: var(--surface-variant); }
.search-result-item .material-symbols-outlined { color: var(--primary); }
.search-result-info { flex: 1; }
.search-result-title { font-weight: 500; }
.search-result-meta { font-size: 12px; color: var(--on-surface-variant); }
.search-empty { padding: 40px; text-align: center; color: var(--on-surface-variant); }

/* ==================== 标签管理 ==================== */
.tags-grid { display: flex; flex-wrap: wrap; gap: 12px; padding: 24px; }
.tag-item { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: var(--primary-container); color: var(--primary); border-radius: 100px; font-size: 14px; transition: all 0.2s; }
.tag-item:hover { box-shadow: 0 2px 8px var(--shadow); }
.tag-item .btn-icon-small { padding: 4px; }
.tag-item .btn-icon-small:hover { background: rgba(0,0,0,0.1); color: var(--error); }

/* ==================== Markdown 提示 ==================== */
.markdown-hint { font-size: 12px; color: var(--on-surface-variant); margin-top: 4px; }
.markdown-hint code { background: var(--surface-variant); padding: 2px 6px; border-radius: 4px; font-family: monospace; }
/* Fallback for Material Symbols */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined', sans-serif;
    font-size: 24px;
}

/* Permission Grid */
.permission-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.perm-item { display: flex; align-items: center; gap: 6px; font-size: 14px; padding: 6px 10px; background: var(--surface-variant); border-radius: 8px; cursor: pointer; }
.perm-item:hover { background: var(--primary-container); }
.perm-item input { width: 16px; height: 16px; }

/* Dashboard Grid */
.dashboard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 24px; }
.dashboard-grid .card-header h2 { display: flex; align-items: center; gap: 8px; font-size: 16px; }
.dashboard-grid .card-header .nav-link { font-size: 14px; color: var(--primary); text-decoration: none; }
.dashboard-grid .card-header .nav-link:hover { text-decoration: underline; }

/* Dashboard List */
.dashboard-list { padding: 0; }
.dashboard-item { display: flex; align-items: center; padding: 12px 20px; border-bottom: 1px solid var(--outline-variant); cursor: pointer; transition: background 0.2s; }
.dashboard-item:last-child { border-bottom: none; }
.dashboard-item:hover { background: var(--surface-variant); }
.dashboard-item .item-title { flex: 1; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dashboard-item .item-meta { font-size: 12px; color: var(--on-surface-variant); margin-left: 12px; }
.empty-text { padding: 24px; text-align: center; color: var(--on-surface-variant); font-size: 14px; }

@media (max-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

/* Cover Image Upload */
.cover-upload {
    display: flex;
    gap: 8px;
}
.cover-upload input {
    flex: 1;
}
.btn-upload {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    background: var(--surface-variant);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--on-surface);
    transition: background 0.2s;
}
.btn-upload:hover {
    background: var(--outline-variant);
}
.btn-upload .material-symbols-outlined {
    font-size: 18px;
}
.cover-preview {
    margin-top: 12px;
    position: relative;
    display: inline-block;
}
.cover-preview img {
    max-width: 200px;
    max-height: 150px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--outline-variant);
}
.btn-remove-cover {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--error);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-remove-cover .material-symbols-outlined {
    font-size: 16px;
}

/* 标签选择器 */
.tags-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 36px;
    padding: 8px;
    border: 1px solid var(--outline-variant);
    border-radius: 8px;
    background: var(--surface-container);
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 16px;
    background: var(--primary-container);
    color: var(--on-primary-container);
    font-size: 13px;
    font-weight: 500;
}

.tag-chip .remove-tag {
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    margin-left: 2px;
}

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

#articleTagSelect {
    max-width: 200px;
}

/* 文章列表中的标签显示 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 4px;
}

.article-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    background: var(--secondary-container);
    color: var(--on-secondary-container);
    font-size: 11px;
}

/* 筛选横幅 */
.filter-banner {
    background: var(--primary-container);
    color: var(--on-primary-container);
    padding: 8px 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}
.filter-banner .btn-clear {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}
.filter-banner .btn-clear:hover {
    background: var(--primary-hover, var(--primary));
    opacity: 0.9;
}

/* ==================== EasyMDE 编辑器样式 ==================== */
.EasyMDEContainer {
    position: relative;
}

.EasyMDEContainer .CodeMirror {
    border-radius: 12px;
    border: 1px solid var(--outline);
    background: var(--surface);
    color: var(--on-surface);
    font-size: 15px;
    line-height: 1.6;
    min-height: 200px;
    padding: 12px;
}

/* 编辑器工具栏 */
.EasyMDEContainer .editor-toolbar {
    border: 1px solid var(--outline);
    border-bottom: none;
    border-radius: 12px 12px 0 0;
    background: var(--surface-container);
    padding: 8px 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.EasyMDEContainer .editor-toolbar a {
    color: var(--on-surface-variant);
    border-radius: 8px;
    padding: 6px 8px;
    transition: all 0.2s;
    font-size: 14px;
    min-width: 32px;
    text-align: center;
}

.EasyMDEContainer .editor-toolbar a:hover,
.EasyMDEContainer .editor-toolbar a.active {
    background: var(--primary-container);
    color: var(--primary);
}

.EasyMDEContainer .editor-toolbar a::before {
    font-size: 16px;
}

/* 分隔线 */
.EasyMDEContainer .editor-toolbar .separator {
    border-left: 1px solid var(--outline-variant);
    margin: 0 4px;
    height: 24px;
}

/* 预览区域 */
.EasyMDEContainer .editor-preview {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 0 0 12px 12px;
    padding: 16px;
    min-height: 200px;
    overflow-y: auto;
}

.EasyMDEContainer .editor-preview-active {
    border-radius: 12px;
    border-top: 1px solid var(--outline);
}

/* 预览内容样式 */
.EasyMDEContainer .editor-preview h1 { font-size: 28px; margin-bottom: 16px; color: var(--on-surface); }
.EasyMDEContainer .editor-preview h2 { font-size: 24px; margin-bottom: 12px; color: var(--on-surface); }
.EasyMDEContainer .editor-preview h3 { font-size: 20px; margin-bottom: 8px; color: var(--on-surface); }
.EasyMDEContainer .editor-preview p { margin-bottom: 12px; line-height: 1.8; }
.EasyMDEContainer .editor-preview ul, .EasyMDEContainer .editor-preview ol { margin-bottom: 12px; padding-left: 24px; }
.EasyMDEContainer .editor-preview li { margin-bottom: 6px; }
.EasyMDEContainer .editor-preview code { 
    background: var(--surface-variant); 
    padding: 2px 6px; 
    border-radius: 4px; 
    font-family: 'Fira Code', monospace;
    font-size: 14px;
}
.EasyMDEContainer .editor-preview pre { 
    background: var(--surface-container); 
    padding: 12px; 
    border-radius: 8px; 
    overflow-x: auto;
    margin-bottom: 12px;
}
.EasyMDEContainer .editor-preview pre code { background: none; padding: 0; }
.EasyMDEContainer .editor-preview blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--on-surface-variant);
}
.EasyMDEContainer .editor-preview img {
    max-width: 100%;
    border-radius: 8px;
    margin: 12px 0;
}
.EasyMDEContainer .editor-preview a {
    color: var(--primary);
    text-decoration: none;
}
.EasyMDEContainer .editor-preview a:hover {
    text-decoration: underline;
}
.EasyMDEContainer .editor-preview table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 12px;
}
.EasyMDEContainer .editor-preview th, .EasyMDEContainer .editor-preview td {
    border: 1px solid var(--outline-variant);
    padding: 8px 12px;
    text-align: left;
}
.EasyMDEContainer .editor-preview th {
    background: var(--surface-container);
    font-weight: 500;
}

/* 状态栏 */
.EasyMDEContainer .editor-statusbar {
    border: 1px solid var(--outline);
    border-top: none;
    border-radius: 0 0 12px 12px;
    background: var(--surface-container);
    padding: 4px 12px;
    font-size: 12px;
    color: var(--on-surface-variant);
    display: flex;
    justify-content: space-between;
}

/* 全屏模式 */
.EasyMDEContainer .CodeMirror-fullscreen {
    z-index: 1000;
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
}

.EasyMDEContainer .editor-toolbar-fullscreen {
    z-index: 1001;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    border-radius: 0;
}

/* ==================== 移动端优化 ==================== */
@media (max-width: 768px) {
    /* 工具栏精简 */
    .EasyMDEContainer .editor-toolbar {
        padding: 6px 8px;
        gap: 2px;
    }
    
    .EasyMDEContainer .editor-toolbar a {
        padding: 6px;
        min-width: 28px;
    }
    
    .EasyMDEContainer .editor-toolbar a::before {
        font-size: 14px;
    }
    
    /* 隐藏部分工具栏按钮（保持简洁） */
    .EasyMDEContainer .editor-toolbar a[title="Heading 5"],
    .EasyMDEContainer .editor-toolbar a[title="Heading 6"],
    .EasyMDEContainer .editor-toolbar a[title="Strikethrough"],
    .EasyMDEContainer .editor-toolbar a[title="Horizontal Rule"],
    .EasyMDEContainer .editor-toolbar a[title="Image"] {
        display: none;
    }
    
    /* 编辑器高度自适应 */
    .EasyMDEContainer .CodeMirror {
        min-height: 150px;
        font-size: 14px;
        padding: 10px;
    }
    
    /* 预览区域 */
    .EasyMDEContainer .editor-preview {
        padding: 12px;
        min-height: 150px;
    }
    
    .EasyMDEContainer .editor-preview h1 { font-size: 22px; }
    .EasyMDEContainer .editor-preview h2 { font-size: 20px; }
    .EasyMDEContainer .editor-preview h3 { font-size: 18px; }
    
    /* 全屏模式优化 */
    .EasyMDEContainer .CodeMirror-fullscreen {
        padding: 16px;
    }
    
    .EasyMDEContainer .editor-toolbar-fullscreen {
        padding: 8px 16px;
    }
    
    /* 状态栏隐藏 */
    .EasyMDEContainer .editor-statusbar {
        display: none;
    }
    
    /* 模态框编辑器 */
    .modal-large .EasyMDEContainer .CodeMirror {
        min-height: 180px;
    }
}

/* ==================== 暗色主题适配 ==================== */
[data-theme="dark"] .EasyMDEContainer .CodeMirror {
    background: var(--surface);
    color: var(--on-surface);
    border-color: var(--outline);
}

[data-theme="dark"] .EasyMDEContainer .editor-toolbar {
    background: var(--surface-container);
    border-color: var(--outline);
}

[data-theme="dark"] .EasyMDEContainer .editor-toolbar a {
    color: var(--on-surface-variant);
}

[data-theme="dark"] .EasyMDEContainer .editor-toolbar a:hover,
[data-theme="dark"] .EasyMDEContainer .editor-toolbar a.active {
    background: var(--primary-container);
    color: var(--primary);
}

[data-theme="dark"] .EasyMDEContainer .editor-preview {
    background: var(--surface);
    border-color: var(--outline);
}

[data-theme="dark"] .EasyMDEContainer .editor-preview pre {
    background: var(--surface-container);
}

[data-theme="dark"] .EasyMDEContainer .editor-statusbar {
    background: var(--surface-container);
    border-color: var(--outline);
}

[data-theme="dark"] .CodeMirror-cursor {
    border-left-color: var(--primary);
}

[data-theme="dark"] .CodeMirror-selected {
    background: var(--primary-container) !important;
}

/* 编辑器加载提示 */
.editor-loading {
    text-align: center;
    padding: 40px;
    color: var(--on-surface-variant);
}

/* 移除原来的 markdown-hint（编辑器自带提示） */
.EasyMDEContainer + .markdown-hint {
    display: none;
}