/* 鍏ㄥ眬鏍峰紡 */
:root {
  --primary-color: #4361ee;
  --primary-dark: #3a56d4;
  --secondary-color: #6c757d;
  --success-color: #06d6a0;
  --info-color: #118ab2;
  --warning-color: #ffd166;
  --danger-color: #ef476f;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-sm: 0.25rem;
  --animation-duration: 0.3s;
  --transition-ease: all var(--animation-duration) ease;
  --transition-ease-out: all var(--animation-duration) ease-out;
  --transition-ease-in: all var(--animation-duration) ease-in;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  background-attachment: fixed;
  color: var(--gray-700);
  min-height: 100vh;
}

/* 婊氬姩鏉℃牱寮忎紭鍖?*/
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--gray-200);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* 绉诲姩绔彍鍗曟牱寮?*/
.mobile-menu {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-ease);
}

.mobile-menu .list-group-item {
  border: none;
  border-radius: var(--border-radius-sm);
  margin: 2px 5px;
  transition: var(--transition-ease);
}

.mobile-menu .list-group-item:hover {
  background-color: var(--primary-color);
  color: white;
}

/* 瑙︽懜鍙嶉鏍峰紡 */
.touch-device .touch-active {
  transform: scale(0.95);
  opacity: 0.8;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

/* 绉诲姩璁惧鏍峰紡 */
.mobile-device .container-fluid {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.mobile-device .card {
  margin-bottom: 0.75rem;
}

/* 鍝嶅簲寮忚璁?*/
@media (max-width: 992px) {
  .mobile-menu {
    left: 5px !important;
    top: 50px !important;
    width: 180px;
  }
  
  .sidebar-enhanced {
    transform: translateX(-100%);
  }
  
  .sidebar-enhanced.show {
    transform: translateX(0);
  }
  
  .sidebar-toggle-btn {
    top: 60px;
  }
}

@media (max-width: 768px) {
  .mobile-menu {
    left: 5px !important;
    top: 50px !important;
    width: 160px;
  }
  
  .theme-selector {
    width: 180px;
    top: 60px;
  }
  
  .performance-monitor {
    width: 250px;
    font-size: 10px;
  }

  .chart-container-enhanced {
    padding: 15px;
  }
}

@media (max-width: 576px) {
  .mobile-menu {
    left: 5px !important;
    top: 50px !important;
    width: 150px;
  }
  
  .performance-monitor {
    width: 200px;
    font-size: 9px;
    bottom: 10px;
    right: 10px;
  }
  
  .container-fluid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .stats-card .card-body {
    padding: 1rem;
  }
  
  .theme-card .card-img-top {
    height: 120px;
  }
}

/* 绱у噾妯″紡鏍峰紡 */
.compact-mode .card {
  margin-bottom: 0.5rem;
}

.compact-mode .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.compact-mode .table th,
.compact-mode .table td {
  padding: 0.5rem;
}

.compact-mode .form-control,
.compact-mode .form-select {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.compact-mode .card-body {
  padding: 1rem;
}

.compact-mode .nav-link {
  padding: 0.5rem 1rem;
}

/* 鏆楄壊妯″紡澧炲己 */
body.dark-mode .mobile-menu {
  background: var(--gray-800);
  color: white;
  border: 1px solid var(--gray-700);
}

body.dark-mode .mobile-menu .list-group-item {
  color: white;
  background: transparent;
}

body.dark-mode .mobile-menu .list-group-item:hover {
  background-color: var(--primary-color);
  color: white;
}

/* 渚ц竟鏍忔牱寮?*/
.sidebar-enhanced {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 250px;
  background: white;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-enhanced.collapsed {
  transform: translateX(-100%);
}

.sidebar-header {
  border-bottom: 1px solid var(--gray-200);
}

.sidebar-footer {
  border-top: 1px solid var(--gray-200);
}

.sidebar-enhanced .nav-link {
  padding: 0.75rem 1rem;
  color: var(--gray-700);
  transition: all 0.2s ease;
  border-radius: var(--border-radius-sm);
  margin: 0 0.5rem;
}

.sidebar-enhanced .nav-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

.sidebar-enhanced .nav-link.active {
  background-color: var(--primary-color);
  color: white;
}

.sidebar-enhanced .nav-item {
  margin: 2px 0;
}

.sidebar-toggle-btn {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1001;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.5rem;
  cursor: pointer;
}

@media (max-width: 992px) {
  .sidebar-enhanced {
    transform: translateX(-100%);
  }
  
  .sidebar-enhanced.show {
    transform: translateX(0);
  }
}

/* 宸ュ叿鏍忔牱寮?*/
.toolbar-enhanced {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition-ease);
}

.toolbar-enhanced:hover {
  box-shadow: var(--shadow-lg);
}

/* 闈㈠寘灞戝鑸牱寮?*/
.breadcrumb-enhanced .breadcrumb {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition-ease);
}

.breadcrumb-enhanced .breadcrumb:hover {
  box-shadow: var(--shadow-lg);
}

/* 鏆楄壊妯″紡澧炲己 */
body.dark-mode .theme-selector {
  background: var(--gray-800);
  color: white;
  border: 1px solid var(--gray-700);
}

body.dark-mode .theme-btn {
  color: white;
}

body.dark-mode .theme-btn.btn-outline-primary {
  color: #4361ee;
}

body.dark-mode .theme-btn.btn-outline-dark {
  color: white;
  border-color: white;
}

body.dark-mode .theme-selector .card {
  background: var(--gray-800);
  color: white;
  border-color: var(--gray-700);
}

body.dark-mode .theme-selector .card-header {
  background: var(--gray-700);
  color: white;
  border-bottom: 1px solid var(--gray-600);
}

body.dark-mode .theme-selector .form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* 鍝嶅簲寮忚璁?*/
@media (max-width: 768px) {
  .theme-selector {
    width: 180px;
    top: 60px;
  }
  
  .sidebar-toggle-btn {
    top: 60px;
  }
}

/* 婊氬姩鏉℃牱寮?*/
.sidebar-enhanced::-webkit-scrollbar {
  width: 6px;
}

.sidebar-enhanced::-webkit-scrollbar-track {
  background: var(--gray-200);
}

.sidebar-enhanced::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 3px;
}

.sidebar-enhanced::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

.card {
  box-shadow: var(--shadow);
  border: none;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  background: var(--gradient-primary);
  color: white;
  border: none;
  font-weight: 600;
  padding: 1rem 1.5rem;
}

.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

.nav-link {
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-dark) !important;
}

.table {
  margin-bottom: 0;
}

.table th {
  border-top: none;
  font-weight: 600;
  color: var(--gray-700);
  background-color: var(--gray-100);
}

.table-hover tbody tr:hover {
  background-color: rgba(67, 97, 238, 0.05);
}

.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: all 0.2s ease;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-primary {
  background: var(--gradient-primary);
  border: none;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.form-control, .form-select {
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-300);
  padding: 0.5rem 1rem;
  transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

/* 鑷畾涔夊閫夋鍜屽崟閫夋寜閽?*/
.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

/* 鍒嗛〉鏍峰紡 */
.pagination {
  margin-bottom: 0;
}

.page-item.active .page-link {
  background: var(--gradient-primary);
  border-color: var(--primary-color);
  color: white;
}

.page-link {
  color: var(--gray-700);
  border-radius: var(--border-radius-sm);
  margin: 0 2px;
}

.page-link:hover {
  color: var(--primary-dark);
  background-color: var(--gray-200);
}

/* 鐗瑰畾鏍峰紡 */
.theme-card {
  transition: all 0.3s ease;
  cursor: pointer;
  height: 100%;
  background: white;
  border: 1px solid var(--gray-200);
}

.theme-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.theme-card .card-img-top {
  height: 180px;
  object-fit: cover;
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
}

/* 涓婚鍒嗙被鏍囩 */
.theme-category {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(5px);
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 1;
}

/* 鐗硅壊涓婚鏍囩 */
.featured-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--warning-color);
  color: white;
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 1;
}

/* 鍙嶉椤圭洰鏍峰紡 */
.feedback-item {
  background: white;
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary-color);
  transition: all 0.2s ease;
}

.feedback-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(3px);
}

.feedback-item.bug {
  border-left-color: var(--danger-color);
}

.feedback-item.feature {
  border-left-color: var(--success-color);
}

.feedback-item.general {
  border-left-color: var(--info-color);
}

.feedback-item.security {
  border-left-color: var(--warning-color);
}

.feedback-item.performance {
  border-left-color: var(--secondary-color);
}

/* 鍙嶉璇︽儏妯℃€佹 */
.feedback-detail {
  background: var(--gray-100);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

/* 鎮诞绐楃孩缁跨伅鏍峰紡 */
.traffic-light-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 8px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
}

.traffic-light-preview .light {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  margin: 3px 0;
  transition: all 0.2s ease;
}

.traffic-light-preview .light.red {
  background-color: #ff4757;
  box-shadow: 0 0 10px rgba(255, 71, 87, 0.5);
}

.traffic-light-preview .light.yellow {
  background-color: #ffa502;
  box-shadow: 0 0 10px rgba(255, 165, 2, 0.5);
}

.traffic-light-preview .light.green {
  background-color: #2ed573;
  box-shadow: 0 0 10px rgba(46, 213, 115, 0.5);
}

.traffic-light-preview .data {
  font-size: 12px;
  color: white;
  text-align: center;
  width: 100%;
  margin-top: 4px;
  font-weight: 500;
}

.traffic-light-preview .data.distance,
.traffic-light-preview .data.speed-limit,
.traffic-light-preview .data.current-speed,
.traffic-light-preview .data.location {
  font-size: 11px;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  margin: 2px 0;
  backdrop-filter: blur(5px);
}

/* 楂樺姣斿害妯″紡 */
.traffic-light-preview.high-contrast {
  filter: contrast(150%) brightness(120%);
}

/* 鎮诞绐楁牱寮?*/
#floatWindowElement {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1) !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
}

/* 鐧诲綍/娉ㄥ唽琛ㄥ崟鍗＄墖 */
.login-card, .register-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* 浠〃鏉跨粺璁″崱鐗?*/
.stats-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.stats-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stats-card .card-body {
  padding: 1.5rem;
}

/* 琛ㄥ崟鏍峰紡 */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
  color: var(--primary-color);
}

/* 妯℃€佹鏍峰紡 */
.modal-content {
  border-radius: var(--border-radius-lg);
  border: none;
  box-shadow: var(--shadow-lg);
}

/* 鏍囩鏍峰紡 */
.badge {
  border-radius: 20px;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
}

/* 鍝嶅簲寮忚璁?*/
@media (max-width: 992px) {
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .table-responsive {
    font-size: 0.8rem;
  }
  
  .theme-card .card-img-top {
    height: 150px;
  }
}

@media (max-width: 768px) {
  .navbar-collapse {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 0.5rem;
    backdrop-filter: blur(10px);
  }
  
  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .stats-card .card-body {
    padding: 1rem;
  }
  
  .theme-card .card-img-top {
    height: 120px;
  }
}

@media (max-width: 576px) {
  .navbar-brand {
    font-size: 1.1rem;
  }
  
  .card-header {
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
  }
  
  .btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
  }
}

/* 鍔犺浇鍔ㄧ敾 */
.spinner-border-sm {
  width: 1rem;
  height: 1rem;
}

.loading {
  display: inline-block;
}

.loading:after {
  content: " .";
  animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
  0%, 20% { content: " ."; }
  40% { content: " .."; }
  60%, 100% { content: " ..."; }
}

/* 鎼滅储妗嗘牱寮?*/
.search-container {
  position: relative;
}

.search-container .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
}

.search-container .form-control {
  padding-left: 40px;
}

/* 鍔ㄧ敾鏁堟灉 */
.fade-in {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

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

/* 鎸夐挳娑熸吉鏁堟灉 */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: width 0.6s, height 0.6s;
  transform: translate(-50%, -50%);
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

/* 楠ㄦ灦灞忔牱寮?*/
.skeleton-container {
  padding: 20px;
}

.skeleton-item {
  height: 20px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}

.skeleton-line {
  width: 100%;
}

.skeleton-half-line {
  width: 50%;
}

.skeleton-card {
  border: none;
  border-radius: 8px;
  overflow: hidden;
}

.skeleton-image {
  height: 150px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-stat-card {
  height: 120px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 8px;
}

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

/* 鍗＄墖鎮仠鏁堟灉 */
hover-lift {
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

/* 鑷畾涔夋粴鍔ㄦ潯 */
.scrollable-container {
  max-height: 400px;
  overflow-y: auto;
  padding-right: 8px;
}

/* 琛ㄥ崟楠岃瘉鏍峰紡 */
.form-control.is-invalid {
  border-color: var(--danger-color);
}

.form-control.is-valid {
  border-color: var(--success-color);
}

.invalid-feedback {
  color: var(--danger-color);
  font-size: 0.875em;
}

.valid-feedback {
  color: var(--success-color);
  font-size: 0.875em;
}

/* 楠ㄦ灦灞忔牱寮?*/
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-300) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--border-radius);
}

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

/* 鐎戝竷娴佸竷灞€ */
.masonry-grid {
  column-count: 3;
  column-gap: 1rem;
}

.masonry-grid .masonry-item {
  display: inline-block;
  width: 100%;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .masonry-grid {
    column-count: 2;
  }
}

@media (max-width: 576px) {
  .masonry-grid {
    column-count: 1;
  }
}

/* 閫氱煡鏍峰紡 */
.toast {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

/* 鎼滅储寤鸿鏍峰紡 */
.search-suggestions {
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  max-height: 300px;
  overflow-y: auto;
  z-index: 1050;
}

.suggestion-item {
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--gray-200);
}

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

.suggestion-item:hover {
  background-color: var(--gray-100);
}

/* 鎼滅储瀹瑰櫒 */
.search-container {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  z-index: 5;
}

.form-control-with-icon {
  padding-left: 40px;
}

/* 鐜颁唬鍖栨悳绱㈡鏍峰紡 */
.search-container-modern {
  position: relative;
  display: flex;
  align-items: center;
}

.search-container-modern input {
  border: none;
  padding: 0.75rem 1rem 0.75rem 3rem;
  border-radius: 50px;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  width: 100%;
  box-shadow: var(--shadow);
  transition: var(--transition-ease);
}

.search-container-modern input:focus {
  outline: none;
  box-shadow: var(--shadow-lg);
  background-color: white;
}

.search-container-modern .search-icon-modern {
  position: absolute;
  left: 1rem;
  color: var(--gray-500);
  z-index: 5;
  transition: var(--transition-ease);
}

.search-container-modern:hover .search-icon-modern {
  color: var(--primary-color);
}

.search-container-modern input:focus + .search-icon-modern {
  color: var(--primary-color);
}

/* 鎼滅储寤鸿鏍峰紡 */
.search-suggestions-enhanced {
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  max-height: 300px;
  overflow-y: auto;
  z-index: 1050;
  background: white;
  box-shadow: var(--shadow-lg);
  position: absolute;
  width: 100%;
  top: 100%;
  left: 0;
  margin-top: 0.25rem;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.suggestion-item-enhanced {
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--gray-200);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  background: white;
}

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

.suggestion-item-enhanced:hover {
  background-color: var(--primary-color);
  color: white;
}

.suggestion-item-enhanced i {
  margin-right: 0.75rem;
  color: var(--gray-500);
}

.suggestion-item-enhanced:hover i {
  color: white;
}

.suggestion-item-enhanced.active {
  background-color: var(--primary-color);
  color: white;
}

/* 椤甸潰杩囨浮鍔ㄧ敾 */
.page-transition {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-down {
  animation: fadeInDown 0.6s ease-out forwards;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-left {
  animation: fadeInLeft 0.6s ease-out forwards;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-right {
  animation: fadeInRight 0.6s ease-out forwards;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 鍗＄墖鎮仠鏁堟灉 */
.hover-lift {
  transition: all 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: all 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.03);
}

/* 鍔ㄧ敾寤惰繜 */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

/* 娣″叆娣″嚭鍔ㄧ敾 */
.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

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

.fade-out {
  animation: fadeOut 0.5s ease-out forwards;
}

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

/* 鎼滅储缃戞牸楠ㄦ灦灞?*/
.skeleton-grid {
  padding: 20px;
}

.skeleton-card {
  height: 80px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 8px;
}

/* 鎼滅储寤鸿瀹瑰櫒 */
.modern-search-container {
  position: relative;
  width: 100%;
}

/* 鎼滅储鍔犺浇瀹瑰櫒 */
.modern-loader-container {
  width: 100%;
}

/* 搴旂敤鍔犺浇鍔ㄧ敾鏍峰紡 */
#appLoadingOverlay .logo-container {
  position: relative;
}

#appLoadingOverlay .logo-animation {
  animation: logoPulse 2s infinite;
}

@keyframes logoPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

#appLoadingOverlay .loading-text {
  font-size: 1.1rem;
  letter-spacing: 1px;
}

#appLoadingOverlay .app-loading-content {
  opacity: 0;
  animation: contentFadeIn 0.8s ease-out 0.3s forwards;
}

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

/* 鏆楄壊妯″紡涓嬬殑鍔犺浇鍔ㄧ敾 */
body.dark-mode #appLoadingOverlay {
  background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
}

/* 鎬ц兘鐩戞帶闈㈡澘 */
.performance-monitor {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-300);
  transition: var(--transition-ease);
}

.performance-monitor:hover {
  box-shadow: var(--shadow-lg);
}

body.dark-mode .performance-monitor {
  background: var(--gray-800);
  color: white;
  border-color: var(--gray-700);
}

/* 楂樼骇鍥捐〃鏍峰紡 */
.chart-container-enhanced {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: var(--transition-ease);
  height: 100%;
}

.chart-container-enhanced:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

body.dark-mode .chart-container-enhanced {
  background: var(--gray-800);
  color: white;
}

.bar-chart {
  position: relative;
  overflow: hidden;
}

.bar-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 40px;
}

.bar-value {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  color: var(--gray-700);
  font-weight: bold;
}

.bar-label {
  font-size: 10px;
  color: var(--gray-600);
  text-align: center;
  margin-top: 5px;
}

.y-axis {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  padding-right: 5px;
  font-size: 10px;
  color: var(--gray-600);
}

.line-chart {
  position: relative;
  height: 200px;
  padding: 20px;
}

.pie-chart-advanced {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 250px;
}

/* 鍝嶅簲寮忚璁?*/
@media (max-width: 768px) {
  .performance-monitor {
    width: 250px;
    font-size: 10px;
  }
  
  .chart-container-enhanced {
    padding: 15px;
  }
}

@media (max-width: 576px) {
  .performance-monitor {
    width: 200px;
    font-size: 9px;
    bottom: 10px;
    right: 10px;
/* 绉诲姩绔彍鍗曟牱寮?*/
.mobile-menu {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-ease);
}

.mobile-menu .list-group-item {
  border: none;
  border-radius: var(--border-radius-sm);
  margin: 2px 5px;
  transition: var(--transition-ease);
}

.mobile-menu .list-group-item:hover {
  background-color: var(--primary-color);
  color: white;
}

/* 瑙︽懜鍙嶉鏍峰紡 */
.touch-device .touch-active {
  transform: scale(0.95);
  opacity: 0.8;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

/* 绉诲姩璁惧鏍峰紡 */
.mobile-device .container-fluid {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.mobile-device .card {
  margin-bottom: 0.75rem;
}

/* 鍝嶅簲寮忚璁?*/
@media (max-width: 992px) {
  .mobile-menu {
    left: 5px !important;
    top: 50px !important;
    width: 180px;
  }
  
  .sidebar-enhanced {
    transform: translateX(-100%);
  }
  
  .sidebar-enhanced.show {
    transform: translateX(0);
  }
  
  .sidebar-toggle-btn {
    top: 60px;
  }
}

@media (max-width: 768px) {
  .mobile-menu {
    left: 5px !important;
    top: 50px !important;
    width: 160px;
  }
  
  .theme-selector {
    width: 180px;
    top: 60px;
  }
}

@media (max-width: 576px) {
  .mobile-menu {
    left: 5px !important;
    top: 50px !important;
    width: 150px;
  }
  
  .container-fluid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .stats-card .card-body {
    padding: 1rem;
  }
  
  .theme-card .card-img-top {
    height: 120px;
  }
}

/* 绱у噾妯″紡鏍峰紡 */
.compact-mode .card {
  margin-bottom: 0.5rem;
}

.compact-mode .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.compact-mode .table th,
.compact-mode .table td {
  padding: 0.5rem;
}

.compact-mode .form-control,
.compact-mode .form-select {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.compact-mode .card-body {
  padding: 1rem;
}

.compact-mode .nav-link {
  padding: 0.5rem 1rem;
}

/* 鏆楄壊妯″紡澧炲己 */
body.dark-mode .mobile-menu {
  background: var(--gray-800);
  color: white;
  border: 1px solid var(--gray-700);
}

body.dark-mode .mobile-menu .list-group-item {
  color: white;
  background: transparent;
}

body.dark-mode .mobile-menu .list-group-item:hover {
  background-color: var(--primary-color);
  color: white;
}

/* 渚ц竟鏍忔牱寮?*/
.sidebar-enhanced {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 250px;
  background: white;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-enhanced.collapsed {
  transform: translateX(-100%);
}

.sidebar-header {
  border-bottom: 1px solid var(--gray-200);
}

.sidebar-footer {
  border-top: 1px solid var(--gray-200);
}

.sidebar-enhanced .nav-link {
  padding: 0.75rem 1rem;
  color: var(--gray-700);
  transition: all 0.2s ease;
  border-radius: var(--border-radius-sm);
  margin: 0 0.5rem;
}

.sidebar-enhanced .nav-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

.sidebar-enhanced .nav-link.active {
  background-color: var(--primary-color);
  color: white;
}

.sidebar-enhanced .nav-item {
  margin: 2px 0;
}

.sidebar-toggle-btn {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1001;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.5rem;
  cursor: pointer;
}

@media (max-width: 992px) {
  .sidebar-enhanced {
    transform: translateX(-100%);
  }
  
  .sidebar-enhanced.show {
    transform: translateX(0);
  }
}

/* 宸ュ叿鏍忔牱寮?*/
.toolbar-enhanced {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition-ease);
}

.toolbar-enhanced:hover {
  box-shadow: var(--shadow-lg);
}

/* 闈㈠寘灞戝鑸牱寮?*/
.breadcrumb-enhanced .breadcrumb {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition-ease);
}

.breadcrumb-enhanced .breadcrumb:hover {
  box-shadow: var(--shadow-lg);
}

/* 婊氬姩鏉℃牱寮?*/
.sidebar-enhanced::-webkit-scrollbar {
  width: 6px;
}

.sidebar-enhanced::-webkit-scrollbar-track {
  background: var(--gray-200);
}

.sidebar-enhanced::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 3px;
}

.sidebar-enhanced::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}