/* Portal - Stylesheet */

/* --- CSS Variables / Design System --- */
:root {
  --font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Dark (Default) */
  --bg-color: #0b0d11;
  --bg-gradient: radial-gradient(circle at 50% 0%, #151823 0%, #080a0f 100%);
  --panel-bg: rgba(16, 20, 30, 0.65);
  --panel-border: rgba(255, 255, 255, 0.06);
  --card-bg: rgba(25, 30, 45, 0.4);
  --card-bg-hover: rgba(30, 37, 56, 0.65);
  --card-border: rgba(255, 255, 255, 0.05);
  --card-border-hover: rgba(99, 102, 241, 0.4);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-color: #6366f1;
  --accent-color-hover: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #06b6d4 100%);
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
  --glass-blur: blur(16px);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  padding: 20px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* App Glass Container */
.app-container {
  width: 100%;
  max-width: 1400px;
  height: 90vh;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 30px;
  border-bottom: 1px solid var(--panel-border);
  gap: 20px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-gradient {
  stroke: url(#lucide-gradient); /* Note: Handled by custom gradient rules or simple colored icons */
  color: #8b5cf6; /* Fallback */
  animation: rotateCompass 15s linear infinite;
}

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

.header-logo h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Search Box */
.search-container {
  flex: 1;
  max-width: 600px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 18px;
  color: var(--text-secondary);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.search-container input {
  width: 100%;
  padding: 14px 100px 14px 48px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}

.search-container input:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
  background: rgba(0, 0, 0, 0.35);
}

.search-engine-badge {
  position: absolute;
  right: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  pointer-events: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-danger {
  background: var(--danger-color);
  color: #fff;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
  background: #dc2626;
}


.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-icon.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* App Body Layout */
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.app-sidebar {
  width: 260px;
  border-right: 1px solid var(--panel-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.sidebar-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 700;
  padding-left: 12px;
}

.category-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 14px;
}

.category-item i {
  width: 18px;
  height: 18px;
}

.category-item span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-item .category-label {
  flex: 1;
  min-width: 0;
}

.category-count {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 10px;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.category-item:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.category-item.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  font-weight: 500;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.category-item.active .category-count {
  background: var(--accent-gradient);
  color: #fff;
}

/* Category action buttons (edit/delete) */
.category-actions {
  display: none;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  margin-left: 4px;
}

.category-item:hover .category-actions {
  display: flex;
}

.category-item:hover .category-count {
  display: none;
}

.cat-action-btn {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.cat-action-btn i {
  width: 13px !important;
  height: 13px !important;
}

.cat-action-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-color);
  border-color: rgba(99, 102, 241, 0.2);
}

.cat-action-btn.cat-delete:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-color);
  border-color: rgba(239, 68, 68, 0.2);
}

/* Main Area */
.app-main {
  flex: 1;
  padding: 30px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.main-header h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  align-content: start;
}

/* Bookmark Card */
.bookmark-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  min-height: 72px;
  cursor: pointer;
  overflow: hidden;
}

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

/* Icon Styles */
.card-icon-wrapper {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-icon-wrapper img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.card-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-url-host {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Edit actions inside cards */
.card-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

/* Show actions in edit-mode or hover when editing is active */
.bookmark-card.edit-mode-active:hover .card-actions,
.bookmark-card:hover .card-actions-hoverable {
  opacity: 1;
  pointer-events: auto;
}

.card-action-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.card-action-btn:hover {
  background: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
}

.card-action-btn.delete:hover {
  background: var(--danger-color);
  border-color: var(--danger-color);
}

.card-action-btn i {
  width: 14px;
  height: 14px;
}

/* Skeleton Loading Cards */
.skeleton-card {
  height: 72px;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.02) 25%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0.02) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border: 1px solid var(--card-border);
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  z-index: 1000;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 100%;
  max-width: 500px;
  background: rgba(20, 25, 40, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--panel-border);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

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

.modal-body {
  padding: 24px;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-form {
  padding: 24px;
}

.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group label .required {
  color: var(--danger-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

.form-group textarea {
  resize: vertical;
}

/* Category Input & Autocomplete Datalist */
.category-input-wrapper {
  position: relative;
}

/* Password Input Setting */
.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper input {
  padding-right: 48px;
}

.btn-toggle-password {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  margin-top: 4px;
}

.status-indicator.success {
  color: var(--success-color);
}

.status-indicator.warning {
  color: var(--warning-color);
}

.status-indicator.error {
  color: var(--danger-color);
}

.status-indicator i {
  width: 12px;
  height: 12px;
}

/* Settings Sections */
.settings-section {
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.settings-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.settings-section h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.settings-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
}

.backup-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1100;
  max-width: 350px;
  width: 100%;
}

.toast {
  background: rgba(20, 25, 40, 0.95);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-size: 13px;
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
  backdrop-filter: var(--glass-blur);
}

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

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

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

.toast.info {
  border-left: 3px solid var(--accent-color);
}

.toast i {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.toast.success i { color: var(--success-color); }
.toast.error i { color: var(--danger-color); }
.toast.info i { color: var(--accent-color); }

/* --- Responsive Layout --- */
@media (max-width: 900px) {
  body {
    padding: 0;
  }
  .app-container {
    height: 100vh;
    border-radius: 0;
    border: none;
  }
  .app-body {
    flex-direction: column;
  }
  .app-sidebar {
    width: 100%;
    height: auto;
    max-height: 150px;
    border-right: none;
    border-bottom: 1px solid var(--panel-border);
    flex-direction: row;
    align-items: center;
    padding: 12px;
    gap: 12px;
  }
  .sidebar-section-title {
    display: none;
  }
  .category-list {
    flex-direction: row;
    overflow-x: auto;
    width: 100%;
    padding-bottom: 4px;
  }
  .category-item {
    padding: 8px 12px;
  }
  .app-main {
    padding: 20px;
  }
}

@media (max-width: 600px) {
  .app-header {
    flex-direction: column;
    padding: 16px;
    gap: 12px;
  }
  .search-container {
    width: 100%;
    max-width: 100%;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .header-actions .btn-primary {
    flex: 1;
  }
  .bookmarks-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Admin Panel & Login Lock Screen CSS --- */
.login-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  padding: 20px;
  background: var(--bg-color);
  background-image: var(--bg-gradient);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: loginCardAppear 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loginCardAppear {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.login-logo .logo-icon {
  width: 52px;
  height: 52px;
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-pulse {
  color: #a855f7;
  animation: pulseShield 2s infinite ease-in-out;
}

@keyframes pulseShield {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.login-logo h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-logo p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.btn-block {
  width: 100%;
  text-align: center;
}

.login-error-msg {
  font-size: 11px;
  color: var(--danger-color);
  margin-top: 4px;
  display: block;
}

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

.header-titles {
  display: flex;
  flex-direction: column;
}

.header-subtitle {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: -2px;
}

.admin-badge {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.25);
  color: #d8b4fe;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}

.admin-dashboard {
  animation: adminAppear 0.5s ease-out;
}

@keyframes adminAppear {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Home Page Layout (Minimalist Navigation Site Mode) --- */

/* Adapt app container and body for home layout (removing card wrapper effect) */
body.home-layout {
  display: block;
  padding: 0;
  overflow-y: auto;
}

.home-layout .app-container {
  width: 100%;
  max-width: none;
  height: auto;
  min-height: 100vh;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  display: block;
}

.home-layout .app-body {
  display: block;
}

.home-layout .nav-content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  box-sizing: border-box;
}

/* Top Bar: Tabs & Search side-by-side */
.home-layout .header-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 30px 0 15px 0;
  border-bottom: 1px solid var(--panel-border);
}

.home-layout .tabs-section {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.home-layout .search-section {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 320px;
}

.home-layout .search-section .search-container {
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
}

.home-layout .search-section .search-container input {
  width: 100%;
  padding: 10px 85px 10px 38px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13.5px;
  transition: var(--transition);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.home-layout .search-section .search-container input:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
  background: rgba(0, 0, 0, 0.35);
}

.home-layout .search-section .search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-secondary);
  width: 15px;
  height: 15px;
  pointer-events: none;
}

.home-layout .search-section .search-engine-badge {
  position: absolute;
  right: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  pointer-events: none;
  transition: var(--transition);
}

.home-layout .category-list {
  list-style: none;
  display: flex;
  flex-direction: row;
  gap: 12px;
  padding: 6px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.home-layout .category-list::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}

.home-layout .category-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  user-select: none;
  background: transparent;
  box-shadow: none;
  border: 1px solid transparent;
}

.home-layout .category-item i {
  width: 16px;
  height: 16px;
}

.home-layout .category-item:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.home-layout .category-item.active {
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  border-color: rgba(255, 255, 255, 0.1);
}

.home-layout .category-count {
  font-size: 11px;
  background: rgba(0, 0, 0, 0.25);
  padding: 2px 8px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.75);
  margin-left: 4px;
}

.home-layout .category-item.active .category-count {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* 下方：书签区域 */
.home-layout .app-main {
  padding: 20px 0 40px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.home-layout .bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  align-content: start;
}

/* --- Drag and Drop Sorting Styles --- */
.bookmark-card {
  user-select: none;
}

.bookmark-card[draggable="true"] {
  cursor: grab;
}

.bookmark-card:active {
  cursor: grabbing;
}

.bookmark-card.dragging {
  opacity: 0.35;
  border: 1px dashed var(--accent-color);
  transform: scale(0.97);
  box-shadow: none;
}

.bookmark-card.drag-over {
  border: 1px solid var(--accent-color);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
  transform: translateY(-4px) scale(1.03);
  background: var(--card-bg-hover);
}

/* Category Tab Drag and Drop */
.home-layout .category-item[draggable="true"] {
  cursor: grab;
}

.home-layout .category-item.dragging {
  opacity: 0.35;
  border: 1px dashed rgba(255, 255, 255, 0.2);
}

.home-layout .category-item.drag-over {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: scale(1.05);
}

/* Responsive adjustments for home layout */
@media (max-width: 768px) {
  .home-layout .header-section {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 20px 0 15px 0;
  }
  
  .home-layout .search-section {
    width: 100%;
  }
  
  .home-layout .category-list {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .home-layout .bookmarks-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Light Theme Overrides (简约浅色系) --- */

body.light-theme {
  --bg-color: #f6f8fa;
  --bg-gradient: none; /* 移除渐变色效果 */
  --panel-bg: rgba(255, 255, 255, 0.85);
  --panel-border: rgba(0, 0, 0, 0.08);
  --card-bg: rgba(255, 255, 255, 0.6);
  --card-bg-hover: rgba(255, 255, 255, 0.95);
  --card-border: rgba(0, 0, 0, 0.06);
  --card-border-hover: rgba(79, 70, 229, 0.4);
  
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --accent-color: #4f46e5;
  --accent-color-hover: #4338ca;
  --accent-gradient: #4f46e5; /* 移除渐变色效果 */
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.09);
  
  color: var(--text-primary);
}

/* Light Theme Scrollbars */
body.light-theme::-webkit-scrollbar-track,
body.light-theme ::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.02);
}
body.light-theme::-webkit-scrollbar-thumb,
body.light-theme ::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
}
body.light-theme::-webkit-scrollbar-thumb:hover,
body.light-theme ::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.2);
}

/* Inputs and Forms */
body.light-theme .search-container input,
body.light-theme .form-group input,
body.light-theme .form-group select,
body.light-theme .form-group textarea {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #1f2937;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

body.light-theme .search-container input:focus,
body.light-theme .form-group input:focus,
body.light-theme .form-group select:focus,
body.light-theme .form-group textarea:focus {
  background: #ffffff;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

body.light-theme.home-layout .search-section .search-container input {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

body.light-theme.home-layout .search-section .search-container input:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 20px rgba(79, 70, 229, 0.15);
}

/* Elements color corrections */
body.light-theme .search-engine-badge,
body.light-theme.home-layout .search-section .search-engine-badge {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: #4b5563;
}

body.light-theme.home-layout .category-list {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.05);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.05);
}

body.light-theme.home-layout .category-item {
  color: #4b5563;
}

body.light-theme.home-layout .category-item:hover {
  color: #1f2937;
  background: rgba(0, 0, 0, 0.03);
}

body.light-theme.home-layout .category-item.active {
  background: #4f46e5;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
  border-color: transparent;
}

body.light-theme.home-layout .category-count {
  background: rgba(0, 0, 0, 0.06);
  color: #6b7280;
}

body.light-theme.home-layout .category-item.active .category-count {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* Buttons */
body.light-theme .btn-secondary {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #374151;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

body.light-theme .btn-secondary:hover {
  background: #f9fafb;
  border-color: rgba(0, 0, 0, 0.12);
  color: #1f2937;
}

body.light-theme .btn-icon {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #4b5563;
}

body.light-theme .btn-icon:hover {
  background: #f9fafb;
  color: #1f2937;
  border-color: rgba(0, 0, 0, 0.12);
}

body.light-theme .btn-icon.active {
  background: rgba(79, 70, 229, 0.08);
  color: #4f46e5;
  border-color: #4f46e5;
}

/* Modals */
body.light-theme .modal-container {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #1f2937;
  box-shadow: var(--shadow-lg);
}

body.light-theme .modal-close {
  color: #9ca3af;
}

body.light-theme .modal-close:hover {
  color: #4b5563;
}

/* Settings and backups */
body.light-theme .settings-section {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* Toasts */
body.light-theme .toast {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: #1f2937;
  box-shadow: var(--shadow-md);
}

/* Cards Hover/Indicator correction */
body.light-theme .bookmark-card {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

body.light-theme .bookmark-card:hover {
  background: #ffffff;
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

body.light-theme .card-icon-wrapper {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

body.light-theme .card-title {
  color: #1f2937;
}

body.light-theme .card-url-host {
  color: #9ca3af;
}

body.light-theme .card-desc {
  color: #4b5563;
}

body.light-theme .card-action-btn {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #4b5563;
}

body.light-theme .card-action-btn:hover {
  background: #4f46e5;
  color: #ffffff;
  border-color: #4f46e5;
}

body.light-theme .card-action-btn.delete:hover {
  background: var(--danger-color);
  border-color: var(--danger-color);
  color: #ffffff;
}

/* Admin panel sidebar correction */
body.light-theme .app-sidebar {
  border-right: 1px solid rgba(0, 0, 0, 0.06);
}

body.light-theme .category-item {
  color: #4b5563;
}

body.light-theme .category-item:hover {
  background: rgba(0, 0, 0, 0.03);
  color: #1f2937;
}

body.light-theme .category-item.active {
  background: rgba(0, 0, 0, 0.04);
  color: #1f2937;
  box-shadow: none;
}

body.light-theme .category-item.active .category-count {
  background: #4f46e5;
  color: #ffffff;
}

body.light-theme .admin-badge {
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.2);
  color: #4f46e5;
}

body.light-theme .icon-gradient {
  color: #4f46e5;
  stroke: none; /* Disable gradient stroke */
}

/* Drag and Drop visual feedback in Light Theme */
body.light-theme .bookmark-card.dragging {
  border: 1px dashed #4f46e5;
  background: #ffffff;
}

body.light-theme .bookmark-card.drag-over {
  border-color: #4f46e5;
  box-shadow: 0 0 15px rgba(79, 70, 229, 0.15);
  background: #ffffff;
}

body.light-theme .category-item.dragging {
  border: 1px dashed rgba(0, 0, 0, 0.15);
  background: transparent;
}

body.light-theme .category-item.drag-over {
  background: rgba(0, 0, 0, 0.06);
}

/* Light theme category action buttons */
body.light-theme .cat-action-btn {
  color: #9ca3af;
}

body.light-theme .cat-action-btn:hover {
  background: rgba(79, 70, 229, 0.08);
  color: #4f46e5;
  border-color: rgba(79, 70, 229, 0.15);
}

body.light-theme .cat-action-btn.cat-delete:hover {
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.15);
}