/* 网球数据管理系统 - 公共样式 */

:root {
  --primary: #16a34a;
  --primary-dark: #15803d;
  --primary-light: #dcfce7;
  --secondary: #f0fdf4;
  --accent: #84cc16;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --white: #ffffff;
  --bg-color: #f0fdf4;
  --card-bg: #ffffff;
  --border-color: #e5e7eb;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 深色模式变量 */
[data-theme="dark"] {
  --primary: #22c55e;
  --primary-dark: #16a34a;
  --primary-light: #14532d;
  --secondary: #064e3b;
  --accent: #84cc16;
  --text-dark: #f3f4f6;
  --text-light: #9ca3af;
  --white: #1f2937;
  --bg-color: #111827;
  --card-bg: #1f2937;
  --border-color: #374151;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-color) 0%, var(--card-bg) 100%);
  min-height: 100vh;
  color: var(--text-dark);
  transition: background 0.3s ease, color 0.3s ease;
}

/* 导航栏 */
.navbar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 0 2rem;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  white-space: nowrap;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-brand svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--white);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.3s ease;
  opacity: 0.9;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

/* 下拉菜单 */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.dropdown-toggle::after {
  content: '▼';
  font-size: 0.625rem;
  margin-left: 0.25rem;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  min-width: 160px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1001;
  margin-top: 0.5rem;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  color: var(--text-dark) !important;
  display: block;
  padding: 0.5rem 1rem;
  text-decoration: none;
  transition: background 0.2s;
  opacity: 1 !important;
}

.dropdown-menu a:hover {
  background: #f3f4f6 !important;
}

.dropdown-menu a.active {
  background: var(--primary-light) !important;
  color: var(--primary) !important;
}

/* 下拉菜单激活状态 */
.dropdown.active > .dropdown-toggle {
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

.dropdown.active > .dropdown-toggle::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: white;
  border-radius: 50%;
}

/* 主容器 */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* 页面标题 */
.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.page-subtitle {
  color: var(--text-light);
  font-size: 1rem;
}

/* 卡片样式 */
.card {
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

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

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* 统计卡片 */
.stat-card {
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: background 0.3s ease;
}

.stat-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.stat-icon svg {
  width: 28px;
  height: 28px;
}

.stat-content {
  flex: 1;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

.stat-change {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

.stat-change.positive {
  background: #dcfce7;
  color: var(--primary);
}

.stat-change.negative {
  background: #fee2e2;
  color: #dc2626;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

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

.btn-secondary {
  background: #f3f4f6;
  color: var(--text-dark);
}

.btn-secondary:hover {
  background: #e5e7eb;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

/* 表单样式 */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: border-color 0.3s ease;
  background: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* 表格样式 */
.table-container {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.data-table th {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
  background: #f9fafb;
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tag-success {
  background: #dcfce7;
  color: var(--primary);
}

.tag-warning {
  background: #fef3c7;
  color: #d97706;
}

.tag-danger {
  background: #fee2e2;
  color: #dc2626;
}

.tag-info {
  background: #dbeafe;
  color: #2563eb;
}

/* 网格布局 */
.grid {
  display: grid;
  gap: 1.5rem;
}

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

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 主题切换按钮 */
.theme-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 999;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* 移动端侧边栏菜单 */
.mobile-sidebar {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100vh;
  background: var(--card-bg);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 1002;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.mobile-sidebar.active {
  right: 0;
}

.mobile-sidebar-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-sidebar-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.25rem;
}

.mobile-sidebar-close svg {
  width: 24px;
  height: 24px;
}

.mobile-nav-links {
  list-style: none;
  padding: 1rem 0;
}

.mobile-nav-links li {
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-links a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--text-dark);
  text-decoration: none;
  transition: background 0.2s;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  background: var(--primary-light);
  color: var(--primary);
}

.mobile-nav-links .mobile-dropdown-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  color: var(--text-dark);
  cursor: pointer;
}

.mobile-nav-links .mobile-dropdown-menu {
  display: none;
  background: var(--bg-color);
}

.mobile-nav-links .mobile-dropdown-menu.active {
  display: block;
}

.mobile-nav-links .mobile-dropdown-menu a {
  padding-left: 2.5rem;
  font-size: 0.9rem;
}

/* 遮罩层 */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* 骨架屏 */
.skeleton {
  background: linear-gradient(90deg, var(--border-color) 25%, #e8e8e8 50%, var(--border-color) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 0.5rem;
}

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

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-card {
  height: 120px;
}

/* 加载动画 */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 页面加载动画 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.page-loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 响应式 */
@media (max-width: 1024px) {
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .main-container {
    padding: 1rem;
  }
  
  .page-title {
    font-size: 1.5rem;
  }
  
  .stat-card {
    padding: 1rem;
  }
  
  .stat-icon {
    width: 48px;
    height: 48px;
  }
  
  .stat-value {
    font-size: 1.5rem;
  }
  
  .theme-toggle {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0 1rem;
  }
  
  .nav-brand {
    font-size: 1rem;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .card {
    padding: 1rem;
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-light);
}

.empty-state svg {
  width: 80px;
  height: 80px;
  margin-bottom: 1.5rem;
  opacity: 0.4;
  stroke-width: 1;
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.empty-state-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.empty-state-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* 进度条 */
.progress-bar {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width 0.5s ease;
}