/* ========================================
   WebSet - 黑白极简风格
   ======================================== */

/* CSS 变量 */
:root {
  /* 亮色模式 */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border-color: #e5e5e5;
  --border-strong: #d0d0d0;
  --accent: #1a1a1a;
  --hover-bg: #f0f0f0;
  --danger: #dc2626;
  --success: #16a34a;

  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', Consolas, 'Liberation Mono', Menlo, monospace;

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* 深色模式 */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1a1a1a;
  --text-primary: #fafafa;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --border-color: #2a2a2a;
  --border-strong: #3a3a3a;
  --accent: #ffffff;
  --hover-bg: #1f1f1f;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ========================================
   登录/注册页面
   ======================================== */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
}

.auth-box {
  width: 100%;
  max-width: 360px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.02em;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 0.9rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.auth-form .form-group {
  margin-bottom: 0;
}

.auth-switch {
  text-align: center;
  margin-top: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.auth-switch a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
  transition: border-color var(--transition-fast);
}

.auth-switch a:hover {
  border-color: var(--text-primary);
}

/* ========================================
   主布局
   ======================================== */

.app-container {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: var(--spacing-md) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.nav-section {
  margin-bottom: var(--spacing-md);
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--spacing-xs) var(--spacing-sm);
  margin-bottom: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 6px var(--spacing-sm);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  font-size: 0.85rem;
  font-family: inherit;
}

.nav-item:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent);
  color: var(--bg-primary);
}

.nav-item-count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.nav-item.active .nav-item-count {
  background: rgba(255, 255, 255, 0.2);
  color: inherit;
}

/* 侧边栏底部 */
.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm);
}

.user-name {
  font-size: 0.9rem;
  font-weight: 500;
}

.btn-logout {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

/* 主题切换按钮 */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  margin: var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  width: calc(100% - var(--spacing-md) * 2);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: 220px;
  min-height: 100vh;
  background: var(--bg-primary);
}

/* 顶部栏 */
.topbar {
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  z-index: 50;
  min-height: 56px;
}

.search-box {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--border-strong);
  background: var(--bg-primary);
}

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

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* 内容区域 */
.content {
  padding: var(--spacing-md) var(--spacing-lg);
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.stat-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.stat-icon.total { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.stat-icon.fav { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.stat-icon.tag { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.stat-icon.visit { background: rgba(168, 85, 247, 0.12); color: #a855f7; }

[data-theme="dark"] .stat-icon.total { background: rgba(59, 130, 246, 0.2); }
[data-theme="dark"] .stat-icon.fav { background: rgba(245, 158, 11, 0.2); }
[data-theme="dark"] .stat-icon.tag { background: rgba(34, 197, 94, 0.2); }
[data-theme="dark"] .stat-icon.visit { background: rgba(168, 85, 247, 0.2); }

.stat-info {
  min-width: 0;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 网站列表 */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  min-height: 32px;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
}

.section-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-left: var(--spacing-sm);
  font-weight: 400;
}

.view-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
}

.view-btn {
  padding: 4px 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: all var(--transition-fast);
}

.view-btn:hover {
  color: var(--text-primary);
}

.view-btn.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* ============ 网站卡片网格 ============ */
.website-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.website-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.website-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--border-color));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.website-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.website-card:hover::before {
  display: none;
}

.website-card.favorited {
  border-color: var(--border-color);
}

.website-card.favorited::before {
  display: none;
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.card-favicon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.card-favicon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-favicon-placeholder {
  color: var(--text-muted);
  font-size: 0.7rem;
  text-align: center;
  line-height: 1.1;
  font-weight: 600;
}

.card-meta {
  flex: 1;
  min-width: 0;
}

.card-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  min-width: 0;
  margin-bottom: 2px;
}

.card-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 1;
  min-width: 0;
}

.card-name:hover {
  text-decoration: underline;
}

.card-name-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  flex-shrink: 0;
}

.card-name-tags .tag {
  font-size: 0.68rem;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.card-url {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-mono);
}

.card-fav-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 2px;
  line-height: 1;
  transition: color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.card-fav-btn:hover {
  transform: scale(1.2);
}

.card-fav-btn.active {
  color: #f59e0b;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.card-tags .tag {
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* 卡片账号/密码字段行 */
.card-field {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  min-height: 30px;
}

.card-field-label {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  min-width: 36px;
}

.card-field-value {
  flex: 1;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-password-value {
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.card-copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.card-copy-btn:hover {
  color: var(--text-primary);
  background: var(--hover-bg);
}

.card-copy-btn:active {
  transform: scale(0.9);
}

.card-password-btns {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.card-footer .btn {
  padding: 4px 8px;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  flex: 1;
  justify-content: center;
}

.card-footer .btn-ghost {
  flex: 0.8;
}

.card-notes {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.website-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.website-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.website-item:hover {
  border-color: var(--border-strong);
  background: var(--bg-tertiary);
}

.website-info {
  flex: 1;
  min-width: 0;
}

.website-name {
  font-weight: 500;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.website-name a {
  color: var(--text-primary);
  text-decoration: none;
}

.website-name a:hover {
  text-decoration: underline;
}

.website-url {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.website-tags {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.tag {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

/* 标签显示区域 */
.tags-display {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.tags-display .tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tag-remove {
  cursor: pointer;
  opacity: 0.6;
  margin-left: 2px;
}

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

/* 标签输入包装器 */
.tags-input-wrapper {
  display: flex;
  gap: var(--spacing-sm);
}

/* 标签管理拖拽排序 */
.tag-sortable {
  cursor: grab;
}

.tag-sortable .tag-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--card-bg);
  transition: background 0.15s;
  user-select: none;
}

.tag-sortable .tag-item:first-child {
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
}

.tag-sortable .tag-item:last-child {
  border-bottom: none;
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
}

.tag-sortable .tag-item:hover {
  background: var(--hover-bg);
}

.tag-sortable .tag-item.dragging {
  opacity: 0.5;
  background: var(--hover-bg);
}

.tag-sortable .tag-item.drag-over {
  border-top: 2px solid var(--primary-color);
}

.tag-sortable .tag-drag-handle {
  cursor: grab;
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 0 8px;
  opacity: 0.5;
}

.tag-sortable .tag-drag-handle:hover {
  opacity: 1;
}

.tag-sortable .tag-item-name {
  flex: 1;
  margin-left: 8px;
}

.website-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.website-item:hover .website-actions {
  opacity: 1;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--border-strong);
  background: var(--hover-bg);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
}

.btn-ghost:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

.btn-danger {
  color: var(--danger);
}

.btn-danger:hover {
  background: rgba(220, 38, 38, 0.1);
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.empty-state-icon {
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
  display: flex;
  justify-content: center;
}

.empty-state-icon svg {
  width: 48px;
  height: 48px;
}

.empty-state-title {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-text {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   模态框
   ======================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

[data-theme="dark"] .modal-overlay {
  background: rgba(0, 0, 0, 0.7);
}

.modal {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-lg);
}

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

/* 表单 */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-strong);
  background: var(--bg-primary);
}

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

textarea.form-input {
  min-height: 80px;
  resize: vertical;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

.form-error {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: var(--spacing-xs);
}

/* 密码显示切换 */
.password-wrapper {
  position: relative;
}

.password-wrapper .form-input {
  padding-right: 40px;
}

.password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.password-toggle:hover {
  color: var(--text-primary);
}

/* 标签输入 */
.tags-input-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  min-height: 42px;
  transition: all var(--transition-fast);
}

.tags-input-container:focus-within {
  border-color: var(--border-strong);
  background: var(--bg-primary);
}

.tags-input-container .tag {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tag-remove {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

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

.tags-input {
  flex: 1;
  min-width: 100px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
}

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

/* ========================================
   详情面板
   ======================================== */

.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  height: 100vh;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  z-index: 200;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.detail-panel.active {
  transform: translateX(0);
}

.detail-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.detail-title {
  font-size: 1rem;
  font-weight: 600;
}

.detail-body {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.detail-field {
  margin-bottom: var(--spacing-lg);
}

.detail-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.detail-value {
  font-size: 0.95rem;
  word-break: break-all;
}

.detail-value.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.password-field {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.copy-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8rem;
}

.detail-actions {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-sm);
}

.detail-actions .btn {
  flex: 1;
}

/* ========================================
   Toast 通知
   ======================================== */

.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-left: 3px solid var(--success);
}

.toast.error {
  border-left: 3px solid var(--danger);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ========================================
   响应式
   ======================================== */

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-panel {
    width: 100%;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .website-actions {
    opacity: 1;
  }

  .website-grid {
    grid-template-columns: 1fr;
  }

  .view-toggle {
    display: none;
  }
}

@media (max-width: 480px) {
  .website-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .card-actions {
    opacity: 1;
  }

  .content {
    padding: var(--spacing-md);
  }

  .topbar {
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-md);
  }

  .search-box {
    max-width: none;
  }
}

/* ========================================
   工具类
   ======================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.mt-md {
  margin-top: var(--spacing-md);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

/* ============ 网站表格 ============ */
.table-container {
  overflow-x: auto;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  -webkit-overflow-scrolling: touch;
}

.website-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  table-layout: fixed;
}

.website-table th,
.website-table td {
  text-align: left;
  padding: 10px var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  text-overflow: ellipsis;
}

.website-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-secondary);
}

.website-table td {
  vertical-align: middle;
}

.website-table tr:last-child td {
  border-bottom: none;
}

.website-table tr:hover td {
  background: var(--bg-secondary);
}

/* 各列宽度（共7列） */
.website-table th:nth-child(1),
.website-table td:first-child {
  width: 140px;
  min-width: 120px;
}

.website-table th:nth-child(2),
.website-table td.tags-cell {
  width: 120px;
  min-width: 80px;
}

.website-table th:nth-child(3),
.website-table td.url-cell {
  width: 200px;
  min-width: 150px;
}

.website-table th:nth-child(4),
.website-table td.account-cell {
  width: 140px;
  min-width: 100px;
}

.website-table th:nth-child(5),
.website-table td.password-cell {
  width: 100px;
  min-width: 80px;
}

.website-table th:nth-child(6),
.website-table td.notes-cell {
  width: 140px;
  min-width: 80px;
}

.website-table th:last-child,
.website-table td:last-child {
  width: 160px;
  min-width: 140px;
  text-align: right;
}

/* 名称单元格 */
.website-name-cell {
  white-space: nowrap;
}

.name-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.name-wrap > a {
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.btn-favorite-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: #999;
  font-size: 1rem;
  padding: 2px 4px;
  line-height: 1;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.btn-favorite-toggle:hover {
  color: var(--accent);
}

.tags-cell {
  font-size: 0;
}

.tags-cell .tag {
  font-size: 0.7rem;
  margin-right: 3px;
  margin-bottom: 2px;
  display: inline-block;
}

.url-cell a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.8rem;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.url-cell a:hover {
  text-decoration: underline;
}

.account-cell {
  font-size: 0.82rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.password-cell {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: visible;
}

.password-wrap {
  display: flex;
  align-items: center;
  gap: 1px;
  min-width: 0;
  width: 100%;
}

.password-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}

.btn-pw-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 1px 3px;
  font-size: 0.8rem;
  line-height: 1;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.btn-pw-toggle:hover {
  color: var(--text-primary);
}

.notes-cell {
  font-size: 0.8rem;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-muted);
}

.actions-cell {
  white-space: nowrap;
}

/* ============ API 配置区域 ============ */
.api-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 22px;
  transition: all var(--transition-fast);
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent);
  border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  background-color: white;
  transform: translateX(18px);
}

.api-config-section {
  padding: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 8px;
}

.api-config-section .form-group {
  margin-bottom: 10px;
}

.api-config-section .form-group:last-child {
  margin-bottom: 0;
}

/* 余额结果显示 */
.balance-result {
  padding: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 8px;
  text-align: center;
}

.balance-result .balance-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.balance-result .balance-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  font-family: var(--font-mono);
}

.balance-result.error .balance-value {
  color: var(--danger);
  font-size: 0.9rem;
  font-weight: 400;
}

/* 查询余额按钮加载状态 */
.btn.querying {
  opacity: 0.7;
  pointer-events: none;
}

/* 响应式调整 */
@media (max-width: 1100px) {
  .website-table th:nth-child(3),
  .website-table td.url-cell {
    display: none;
  }
}

@media (max-width: 900px) {
  .website-table th:nth-child(4),
  .website-table td.account-cell,
  .website-table th:nth-child(5),
  .website-table td.password-cell {
    display: none;
  }
}

@media (max-width: 700px) {
  .website-table th:nth-child(2),
  .website-table td.tags-cell,
  .website-table th:nth-child(6),
  .website-table td.notes-cell {
    display: none;
  }
}