/**
 * TCM诊所管理系统 - 主题覆盖样式
 * Theme Override Styles for TCM Clinic Management System
 * 
 * 使用设计令牌系统重新定义现有组件样式
 */

/* ========== Bootstrap 组件重写 Bootstrap Overrides ========== */

/* 重新定义 Bootstrap 的 CSS 变量 */
:root {
  /* Bootstrap 主色系重写 */
  --bs-primary: var(--color-primary-500);
  --bs-primary-rgb: 0, 144, 115;
  --bs-secondary: var(--color-secondary-500);
  --bs-secondary-rgb: 30, 114, 241;
  --bs-success: var(--color-success-500);
  --bs-success-rgb: 40, 167, 69;
  --bs-info: var(--color-info-500);
  --bs-info-rgb: 23, 162, 184;
  --bs-warning: var(--color-warning-500);
  --bs-warning-rgb: 255, 193, 7;
  --bs-danger: var(--color-danger-500);
  --bs-danger-rgb: 220, 53, 69;
  --bs-light: var(--color-neutral-100);
  --bs-light-rgb: 241, 243, 245;
  --bs-dark: var(--color-neutral-800);
  --bs-dark-rgb: 52, 58, 64;

  /* Bootstrap 间距系统重写 */
  --bs-gutter-x: var(--spacing-lg);
  --bs-gutter-y: var(--spacing-md);

  /* Bootstrap 圆角重写 */
  --bs-border-radius: var(--radius-base);
  --bs-border-radius-sm: var(--radius-sm);
  --bs-border-radius-lg: var(--radius-lg);
  --bs-border-radius-xl: var(--radius-xl);
  --bs-border-radius-2xl: var(--radius-2xl);

  /* Bootstrap 阴影重写 */
  --bs-box-shadow: var(--shadow-base);
  --bs-box-shadow-sm: var(--shadow-sm);
  --bs-box-shadow-lg: var(--shadow-lg);
  --bs-box-shadow-inset: var(--shadow-inner);

  /* Bootstrap 字体重写 */
  --bs-font-sans-serif: var(--font-sans);
  --bs-font-monospace: var(--font-mono);
  
  /* Bootstrap 过渡重写 */
  --bs-transition: var(--transition-all);
}

/* ========== Enhanced Navigation Styles 增强导航样式 ========== */

.tcm-nav {
  background: var(--gradient-medical) !important;
  box-shadow: var(--shadow-lg);
  border-bottom: var(--border-width-1) solid var(--color-primary-600);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: var(--transition-all);
}

.tcm-nav--enhanced {
  min-height: 64px;
  padding: var(--spacing-xs) 0;
}

/* Enhanced Brand Component 增强品牌组件 */
.tcm-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-neutral-0) !important;
  text-decoration: none !important;
  font-weight: var(--font-bold);
  transition: var(--transition-all);
  padding: var(--spacing-xs);
  border-radius: var(--radius-lg);
}

.tcm-brand--enhanced {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px);
  border: var(--border-width-1) solid rgba(255, 255, 255, 0.1);
}

.tcm-brand:hover {
  color: var(--color-accent-main) !important;
  transform: scale(1.02);
  background: rgba(255, 255, 255, 0.1);
}

.tcm-brand__icon-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
}

.tcm-brand__icon {
  font-size: var(--icon-xl);
  color: var(--color-accent-main);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  z-index: 2;
  position: relative;
}

.tcm-brand__pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-main);
  opacity: 0.3;
  animation: tcm-pulse 3s ease-in-out infinite;
}

@keyframes tcm-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.1;
  }
}

.tcm-rotate-slow {
  animation: tcm-rotate-slow 20s linear infinite;
}

@keyframes tcm-rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.tcm-brand__content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tcm-brand__text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-wide);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--color-neutral-0), var(--color-accent-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tcm-brand__subtitle {
  font-size: var(--text-xs);
  color: var(--color-neutral-300);
  font-weight: var(--font-normal);
  opacity: 0.9;
  letter-spacing: var(--tracking-wide);
}

/* Enhanced Mobile Toggle 增强移动端切换 */
.tcm-navbar-toggler {
  border: none !important;
  padding: var(--spacing-sm);
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.tcm-navbar-toggler:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.tcm-navbar-toggler__line {
  width: 24px;
  height: 2px;
  background: var(--color-accent-main);
  border-radius: 1px;
  transition: var(--transition-all);
}

.tcm-navbar-toggler[aria-expanded="true"] .tcm-navbar-toggler__line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.tcm-navbar-toggler[aria-expanded="true"] .tcm-navbar-toggler__line:nth-child(2) {
  opacity: 0;
}

.tcm-navbar-toggler[aria-expanded="true"] .tcm-navbar-toggler__line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Enhanced Navigation Links 增强导航链接 */
.tcm-nav-menu {
  gap: var(--spacing-xs);
}

.tcm-nav-item {
  position: relative;
}

.tcm-nav-link {
  color: var(--color-neutral-200) !important;
  font-weight: var(--font-medium);
  padding: var(--spacing-sm) var(--spacing-md) !important;
  border-radius: var(--radius-lg);
  transition: var(--transition-all);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
  min-height: 44px;
}

.tcm-nav-link__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--icon-md);
  height: var(--icon-md);
  font-size: var(--icon-md);
  transition: var(--transition-all);
}

.tcm-nav-link__text {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  white-space: nowrap;
  transition: var(--transition-all);
}

.tcm-nav-link__indicator {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: var(--transition-all);
}

/* Navigation Link States 导航链接状态 */
.tcm-nav-link:hover {
  color: var(--color-accent-main) !important;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.tcm-nav-link:hover .tcm-nav-link__icon {
  transform: scale(1.1);
  color: var(--color-accent-main);
}

.tcm-nav-link:hover .tcm-nav-link__indicator {
  transform: translateX(-50%) scaleX(0.5);
  opacity: 0.7;
}

.tcm-nav-link--active,
.tcm-nav-link.active {
  color: var(--color-accent-main) !important;
  background: rgba(255, 255, 255, 0.15) !important;
  box-shadow: var(--shadow-md);
}

.tcm-nav-link--active .tcm-nav-link__icon,
.tcm-nav-link.active .tcm-nav-link__icon {
  color: var(--color-accent-main);
  transform: scale(1.1);
}

.tcm-nav-link--active .tcm-nav-link__indicator,
.tcm-nav-link.active .tcm-nav-link__indicator {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
}

/* Enhanced Time Display 增强时间显示 */
.tcm-time-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-neutral-200) !important;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.tcm-time-display--enhanced {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: var(--border-width-1) solid rgba(255, 255, 255, 0.1);
  min-height: 44px;
}

.tcm-time-display__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--icon-md);
  height: var(--icon-md);
  color: var(--color-accent-main);
}

.tcm-time-display__content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tcm-time-display__time {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-neutral-0);
  line-height: 1;
}

.tcm-time-display__label {
  font-size: var(--text-xs);
  color: var(--color-neutral-300);
  opacity: 0.8;
  line-height: 1;
}

.tcm-pulse-subtle {
  animation: tcm-pulse-subtle 2s ease-in-out infinite;
}

@keyframes tcm-pulse-subtle {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

/* Navigation Responsive Enhancements 响应式增强 */
@media (max-width: 991.98px) {
  .tcm-nav-menu {
    padding-top: var(--spacing-md);
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-sm);
  }
  
  .tcm-nav-link {
    margin-bottom: var(--spacing-xs);
    justify-content: flex-start;
  }
  
  .tcm-nav-link__indicator {
    left: 0;
    transform: scaleX(0);
    width: 4px;
    height: 100%;
    top: 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
  
  .tcm-nav-link--active .tcm-nav-link__indicator,
  .tcm-nav-link.active .tcm-nav-link__indicator {
    transform: scaleX(1);
  }
  
  .tcm-time-display--enhanced {
    justify-content: center;
    margin-top: var(--spacing-md);
  }
}

@media (max-width: 767.98px) {
  .tcm-brand__text {
    font-size: var(--text-lg);
  }
  
  .tcm-brand__subtitle {
    display: none;
  }
  
  .tcm-brand__icon-container {
    width: 40px;
    height: 40px;
  }
  
  .tcm-brand__icon {
    font-size: var(--icon-lg);
  }
  
  .tcm-brand__pulse {
    width: 32px;
    height: 32px;
  }
}

/* ========== 卡片样式增强 Enhanced Card Styles ========== */

.card {
  border: none !important;
  border-radius: var(--radius-card) !important;
  box-shadow: var(--shadow-card) !important;
  background: var(--color-neutral-0);
  transition: var(--transition-all);
  overflow: hidden;
}

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

.card-header {
  background: var(--color-neutral-50) !important;
  border-bottom: var(--border-width-1) solid var(--color-neutral-200) !important;
  padding: var(--spacing-lg) !important;
  font-weight: var(--font-semibold);
}

.card-body {
  padding: var(--spacing-lg) !important;
}

.card-footer {
  background: var(--color-neutral-50) !important;
  border-top: var(--border-width-1) solid var(--color-neutral-200) !important;
  padding: var(--spacing-lg) !important;
}

/* 医疗主题卡片变体 */
.card-primary {
  border-left: 4px solid var(--color-primary-500) !important;
  box-shadow: var(--shadow-primary) !important;
}

.card-primary .card-header {
  background: var(--color-primary-50) !important;
  border-bottom-color: var(--color-primary-200) !important;
  color: var(--color-primary-700);
}

.card-medical {
  background: var(--gradient-medical) !important;
  color: var(--color-neutral-0);
}

.card-medical .card-header,
.card-medical .card-footer {
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  color: var(--color-neutral-0);
}

/* ========== 按钮样式增强 Enhanced Button Styles ========== */

.btn {
  border-radius: var(--radius-button) !important;
  font-weight: var(--font-medium);
  transition: var(--transition-all);
  border-width: var(--border-width-1);
  font-size: var(--text-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  min-height: var(--min-touch-target);
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--gradient-primary) !important;
  border-color: var(--color-primary-500) !important;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--color-primary-600) !important;
  border-color: var(--color-primary-600) !important;
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--gradient-secondary) !important;
  border-color: var(--color-secondary-500) !important;
  box-shadow: var(--shadow-secondary);
}

.btn-secondary:hover {
  background: var(--color-secondary-600) !important;
  border-color: var(--color-secondary-600) !important;
}

.btn-success {
  background: var(--color-success-500) !important;
  border-color: var(--color-success-500) !important;
  box-shadow: var(--shadow-success);
}

.btn-warning {
  background: var(--color-warning-500) !important;
  border-color: var(--color-warning-500) !important;
  color: var(--color-neutral-800) !important;
  box-shadow: var(--shadow-warning);
}

.btn-danger {
  background: var(--color-danger-500) !important;
  border-color: var(--color-danger-500) !important;
  box-shadow: var(--shadow-danger);
}

.btn-info {
  background: var(--color-info-500) !important;
  border-color: var(--color-info-500) !important;
}

/* Navigation Loading States & Animations 导航动画状态 */
@keyframes tcm-icon-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
    color: var(--color-accent-main);
  }
  100% {
    transform: scale(1);
  }
}

.tcm-loading {
  position: relative;
  pointer-events: none;
}

.tcm-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  z-index: 10;
  opacity: 0;
  animation: tcm-fade-in 0.3s ease-out forwards;
}

.tcm-loading::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-neutral-300);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  z-index: 11;
  animation: tcm-spin 1s linear infinite, tcm-fade-in 0.3s ease-out forwards;
}

@keyframes tcm-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes tcm-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Main Content Transitions 主内容过渡 */
.tcm-main-content {
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

/* Section Transitions 页面过渡 */
.content-section {
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.tcm-section {
  animation: tcm-section-enter 0.4s ease-out;
}

@keyframes tcm-section-enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 按钮尺寸 */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  min-height: 32px;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--text-lg);
  min-height: 52px;
}

/* 轮廓按钮 */
.btn-outline-primary {
  color: var(--color-primary-500) !important;
  border-color: var(--color-primary-500) !important;
}

.btn-outline-primary:hover {
  background: var(--color-primary-500) !important;
  border-color: var(--color-primary-500) !important;
  color: var(--color-neutral-0) !important;
}

/* ========== 表格样式增强 Enhanced Table Styles ========== */

.table {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  background: var(--color-neutral-0);
}

.table thead th {
  background: var(--color-neutral-100) !important;
  border-bottom: var(--border-width-2) solid var(--color-neutral-300) !important;
  font-weight: var(--font-semibold);
  color: var(--color-neutral-700);
  font-size: var(--text-sm);
  padding: var(--spacing-md) var(--spacing-lg);
}

.table tbody td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: var(--border-width-1) solid var(--color-neutral-200);
  vertical-align: middle;
}

.table tbody tr {
  transition: var(--transition-colors);
}

.table-hover tbody tr:hover {
  background: var(--color-primary-50) !important;
}

.table-striped tbody tr:nth-of-type(odd) {
  background: var(--color-neutral-50);
}

.table-light thead th {
  background: var(--color-neutral-100) !important;
  color: var(--color-neutral-700);
}

/* ========== 徽章样式增强 Enhanced Badge Styles ========== */

.badge {
  font-size: var(--text-xs) !important;
  font-weight: var(--font-medium);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full) !important;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.bg-primary {
  background: var(--color-primary-100) !important;
  color: var(--color-primary-700) !important;
}

.bg-success {
  background: var(--color-success-100) !important;
  color: var(--color-success-700) !important;
}

.bg-warning {
  background: var(--color-warning-100) !important;
  color: var(--color-warning-700) !important;
}

.bg-danger {
  background: var(--color-danger-100) !important;
  color: var(--color-danger-700) !important;
}

.bg-info {
  background: var(--color-info-100) !important;
  color: var(--color-info-700) !important;
}

.bg-secondary {
  background: var(--color-secondary-100) !important;
  color: var(--color-secondary-700) !important;
}

/* ========== 表单控件样式增强 Enhanced Form Control Styles ========== */

.form-control,
.form-select {
  border: var(--border-default) !important;
  border-radius: var(--radius-input) !important;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  font-size: var(--text-base);
  transition: var(--transition-all);
  background: var(--color-neutral-0);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary-500) !important;
  box-shadow: 0 0 0 0.2rem rgba(0, 144, 115, 0.25) !important;
  outline: none;
}

.form-label {
  font-weight: var(--font-medium);
  color: var(--color-neutral-700);
  margin-bottom: var(--spacing-xs);
}

/* ========== 警告框样式增强 Enhanced Alert Styles ========== */

.alert {
  border-radius: var(--radius-lg) !important;
  border-width: var(--border-width-1);
  padding: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
}

.alert-success {
  background: var(--color-success-50) !important;
  border-color: var(--color-success-200) !important;
  color: var(--color-success-700) !important;
}

.alert-warning {
  background: var(--color-warning-50) !important;
  border-color: var(--color-warning-200) !important;
  color: var(--color-warning-700) !important;
}

.alert-danger {
  background: var(--color-danger-50) !important;
  border-color: var(--color-danger-200) !important;
  color: var(--color-danger-700) !important;
}

.alert-info {
  background: var(--color-info-50) !important;
  border-color: var(--color-info-200) !important;
  color: var(--color-info-700) !important;
}

.alert-primary {
  background: var(--color-primary-50) !important;
  border-color: var(--color-primary-200) !important;
  color: var(--color-primary-700) !important;
}

/* ========== 模态框样式增强 Enhanced Modal Styles ========== */

.modal-dialog {
  box-shadow: var(--shadow-modal);
}

.modal-content {
  border: none !important;
  border-radius: var(--radius-modal) !important;
  overflow: hidden;
}

.modal-header {
  background: var(--color-neutral-50) !important;
  border-bottom: var(--border-width-1) solid var(--color-neutral-200) !important;
  padding: var(--spacing-lg);
}

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

.modal-footer {
  background: var(--color-neutral-50) !important;
  border-top: var(--border-width-1) solid var(--color-neutral-200) !important;
  padding: var(--spacing-lg);
  gap: var(--spacing-sm);
}

/* ========== 下拉菜单样式增强 Enhanced Dropdown Styles ========== */

.dropdown-menu {
  border: var(--border-default) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-dropdown) !important;
  padding: var(--spacing-sm);
}

.dropdown-item {
  border-radius: var(--radius-md) !important;
  padding: var(--spacing-sm) var(--spacing-md);
  transition: var(--transition-colors);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.dropdown-item:hover {
  background: var(--color-primary-50) !important;
  color: var(--color-primary-700) !important;
}

.dropdown-item:active {
  background: var(--color-primary-100) !important;
  color: var(--color-primary-800) !important;
}

/* ========== 进度条样式增强 Enhanced Progress Bar Styles ========== */

.progress {
  height: 8px;
  border-radius: var(--radius-full) !important;
  background: var(--color-neutral-200) !important;
  overflow: hidden;
}

.progress-bar {
  background: var(--gradient-primary) !important;
  transition: width var(--duration-500) var(--ease-smooth);
}

/* ========== 分页样式增强 Enhanced Pagination Styles ========== */

.page-link {
  border: var(--border-default) !important;
  color: var(--color-primary-500) !important;
  padding: var(--spacing-sm) var(--spacing-md);
  transition: var(--transition-all);
}

.page-link:hover {
  background: var(--color-primary-50) !important;
  border-color: var(--color-primary-300) !important;
  color: var(--color-primary-600) !important;
}

.page-item.active .page-link {
  background: var(--color-primary-500) !important;
  border-color: var(--color-primary-500) !important;
}

/* ========== 医疗特定样式 Medical Specific Styles ========== */

.medical-status-new {
  color: var(--color-patient-new) !important;
}

.medical-status-returning {
  color: var(--color-patient-returning) !important;
}

.medical-status-urgent {
  color: var(--color-patient-urgent) !important;
}

.medical-status-waiting {
  color: var(--color-patient-waiting) !important;
}

.medical-status-completed {
  color: var(--color-patient-completed) !important;
}

.treatment-appointment {
  color: var(--color-appointment) !important;
}

.treatment-prescription {
  color: var(--color-prescription) !important;
}

.treatment-herb {
  color: var(--color-herb) !important;
}

.treatment-acupuncture {
  color: var(--color-acupuncture) !important;
}

/* ========== 响应式优化 Responsive Optimizations ========== */

@media (max-width: 767.98px) {
  .card-body {
    padding: var(--spacing-md) !important;
  }
  
  .btn {
    font-size: var(--text-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* ========== 无障碍增强 Accessibility Enhancements ========== */

.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .tcm-brand-icon {
    animation: none;
  }
}

/* ========== 打印样式优化 Print Optimizations ========== */

@media print {
  .tcm-nav,
  .btn,
  .modal,
  .dropdown-menu {
    display: none !important;
  }
  
  .card {
    box-shadow: none !important;
    border: var(--border-width-1) solid var(--print-color-border) !important;
  }
  
  body {
    color: var(--print-color-text) !important;
    background: var(--print-color-bg) !important;
  }
}

/* ========== 暗色模式支持 Dark Mode Support ========== */

@media (prefers-color-scheme: dark) {
  .card {
    background: var(--color-dark-card);
    color: var(--color-dark-text);
  }
  
  .card-header,
  .card-footer {
    background: var(--color-dark-surface) !important;
    color: var(--color-dark-text);
    border-color: var(--color-dark-border) !important;
  }
  
  .table {
    background: var(--color-dark-card);
    color: var(--color-dark-text);
  }
  
  .table thead th {
    background: var(--color-dark-surface) !important;
    color: var(--color-dark-text);
    border-color: var(--color-dark-border) !important;
  }
  
  .table tbody td {
    border-color: var(--color-dark-border);
  }
  
  .form-control,
  .form-select {
    background: var(--color-dark-surface);
    color: var(--color-dark-text);
    border-color: var(--color-dark-border) !important;
  }
}