/* ========================================================= */
/* 极简个人导航站 - 核心样式表 (style.css)                   */
/* ========================================================= */

:root {
  /* 基础与字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* ================= 主题变量定义 ================= */
/* 默认：Linear 极客效率暗黑风 */
[data-theme="dark"], :root {
  --bg-app: #080c14;
  --bg-surface: rgba(16, 24, 40, 0.75);
  --bg-surface-hover: rgba(28, 38, 62, 0.9);
  --bg-card: rgba(16, 24, 40, 0.65);
  --bg-card-hover: rgba(26, 36, 60, 0.85);
  --bg-input: rgba(15, 23, 42, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.45);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-light: rgba(99, 102, 241, 0.15);
  --accent-hover: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
  --pinned-badge: #f59e0b;
  --danger: #ef4444;
  --success: #10b981;
  --modal-bg: rgba(15, 23, 42, 0.96);
  --scrollbar-thumb: rgba(255, 255, 255, 0.15);
  --shadow-glow: 0 8px 24px rgba(99, 102, 241, 0.18);
}

/* 浅色模式：Notion 清爽风 */
[data-theme="light"] {
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-color-hover: #6366f1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #4f46e5;
  --accent-light: rgba(79, 70, 229, 0.08);
  --accent-hover: #4338ca;
  --pinned-badge: #d97706;
  --danger: #dc2626;
  --success: #059669;
  --modal-bg: rgba(255, 255, 255, 0.98);
  --scrollbar-thumb: rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 9999px;
}

/* 页面主容器 */
.app-layout {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ================= 顶部导航栏 ================= */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  color: white;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.brand-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.action-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

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

.action-btn.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
}
.action-btn.btn-primary:hover {
  background: var(--accent-hover);
}

.icon-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
  border-radius: 10px;
}

/* ================= 英雄区域：时钟与智能搜索 ================= */
.hero-section {
  text-align: center;
  margin: 16px auto 36px;
  max-width: 680px;
  width: 100%;
}

.clock-widget {
  margin-bottom: 20px;
}

.clock-time {
  font-size: 52px;
  font-weight: 300;
  letter-spacing: -1.5px;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.clock-date {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.3px;
}

/* 搜索引擎胶囊选择栏 */
.engine-switcher {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.engine-pill {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.engine-pill:hover {
  color: var(--text-primary);
  background: var(--accent-light);
}

.engine-pill.active {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--border-color-hover);
  font-weight: 600;
}

/* 核心搜索输入框 */
.search-bar-container {
  position: relative;
  width: 100%;
}

.search-icon-prefix {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.main-search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 15px 80px 15px 48px;
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.main-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light), 0 8px 24px rgba(0, 0, 0, 0.12);
}

.search-badge-suffix {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
}

.kbd-badge {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
}

.clear-search-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: none;
  font-size: 14px;
}
.clear-search-btn:hover {
  color: var(--text-primary);
}

/* ================= 快捷分类锚点栏 (Category Dock) ================= */
.category-dock {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 16px;
  margin-bottom: 20px;
  scrollbar-width: none;
}
.category-dock::-webkit-scrollbar {
  display: none;
}

.dock-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.dock-chip:hover, .dock-chip.active {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--border-color-hover);
}

/* ================= 书签分类与卡片网格 ================= */
.categories-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.category-group {
  scroll-margin-top: 20px;
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border-color);
}

.category-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-icon {
  font-size: 16px;
}

.category-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
  display: flex;
  align-items: center;
}

.category-name::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  box-shadow: 0 0 8px var(--accent);
}

.category-count {
  font-size: 11px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.category-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cat-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.cat-action-btn:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

/* 卡片网格：标准卡片视图 (Card Grid) */
.bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.bookmark-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
}

.bookmark-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.bm-icon-wrapper {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  overflow: hidden;
  transition: var(--transition);
}

.bookmark-card:hover .bm-icon-wrapper {
  border-color: var(--border-color-hover);
  transform: scale(1.05);
}

.bm-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 4px;
}

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

.bm-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.bm-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bm-pinned-icon {
  font-size: 11px;
  color: var(--pinned-badge);
}

.bm-desc {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 卡片右侧悬停操作栏 */
.bm-card-actions {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
  background: var(--bg-surface);
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.bookmark-card:hover .bm-card-actions {
  opacity: 1;
  pointer-events: auto;
}

.bm-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 4px;
  transition: var(--transition);
}
.bm-action-btn:hover {
  color: var(--text-primary);
  background: var(--accent-light);
}
.bm-action-btn.btn-delete:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

/* 视图模式 2：紧凑网格视图 (Compact Mode) */
[data-view="compact"] .bookmarks-grid {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}

[data-view="compact"] .bookmark-card {
  padding: 10px 12px;
  gap: 10px;
}

[data-view="compact"] .bm-icon-wrapper {
  width: 28px;
  height: 28px;
  font-size: 15px;
}

[data-view="compact"] .bm-icon-img {
  width: 18px;
  height: 18px;
}

[data-view="compact"] .bm-desc {
  display: none;
}

/* 搜索高亮与无匹配提示 */
.highlight-match {
  color: var(--accent);
  font-weight: 700;
  background: var(--accent-light);
  padding: 0 2px;
  border-radius: 2px;
}

.empty-search-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-search-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.6;
}

.empty-search-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-search-btn {
  margin-top: 14px;
}

/* ================= 弹窗系统 (Modals) ================= */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  transform: scale(0.95);
  transition: transform 0.2s ease;
  overflow: hidden;
}

.modal-backdrop.show .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  border-radius: 4px;
}
.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 75vh;
  overflow-y: auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: rgba(0, 0, 0, 0.05);
}

/* 设置弹窗标签页与选项 */
.settings-section {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}
.settings-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.settings-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.settings-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.settings-btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ================= 提示吐司 (Toast Notification) ================= */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ================= 底部版权与快捷键提示 ================= */
.app-footer {
  margin-top: auto;
  padding-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--text-primary);
}

/* 响应式适配 */
@media (max-width: 640px) {
  .app-layout {
    padding: 16px 14px 40px;
  }
  .clock-time {
    font-size: 40px;
  }
  .header-actions .btn-text {
    display: none;
  }
  .bookmarks-grid {
    grid-template-columns: 1fr;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
}