/* 现代化柳比歇夫时间管理系统样式 */
:root {
  --primary-color: #007aff;
  --secondary-color: #5856d6;
  --success-color: #34c759;
  --warning-color: #ff9500;
  --error-color: #ff3b30;
  --background-color: #f8f9fa;
  --surface-color: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #8e8e93;
  --border-color: #e5e5e7;
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.16);
  --border-radius: 12px;
  --border-radius-small: 8px;
  --sidebar-width: 280px;
  --header-height: 70px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 顶部导航栏 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 侧边栏 */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--surface-color);
  border-right: 1px solid var(--border-color);
  z-index: 999;
  transform: translateX(0);
  transition: var(--transition);
  overflow-y: auto;
}

.sidebar-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-menu {
  list-style: none;
  padding: 1rem 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.menu-item:hover {
  background-color: rgba(0, 122, 255, 0.06);
  border-left-color: var(--primary-color);
}

.menu-item.active {
  background-color: rgba(0, 122, 255, 0.1);
  border-left-color: var(--primary-color);
  color: var(--primary-color);
}

.menu-item i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.menu-item span {
  font-weight: 500;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border: none;
  border-radius: var(--border-radius-small);
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 1001;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: #005ecb;
}

/* 主内容区域 */
.main-content {
  margin-left: var(--sidebar-width);
  padding-top: var(--header-height);
  min-height: 100vh;
  transition: var(--transition);
}

/* 页面头部 */
.page-header {
  padding: 2rem 2rem 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  margin-bottom: 2rem;
}

.page-header h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-header .page-description {
  font-size: 1rem;
  opacity: 0.9;
}

/* 选项卡内容 */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
  display: block;
}

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

/* 按钮样式 */
.btn-primary {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-small);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background: #005ecb;
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background: white;
  color: var(--primary-color);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: var(--background-color);
  border-color: var(--primary-color);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-small);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* 记录卡片 */
.record-card {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  margin: 0 2rem 2rem;
  padding: 2rem;
}

/* 表单样式 */
.record-form {
  max-width: 800px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-small);
  font-size: 1rem;
  transition: var(--transition);
  background: white;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.time-input-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.time-input-group input {
  flex: 1;
}

.duration-display {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  font-weight: 500;
}

/* 星级评分 */
.rating-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.star-rating {
  display: flex;
  gap: 0.25rem;
}

.star {
  font-size: 1.5rem;
  color: #ddd;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.star:hover,
.star.selected {
  color: #ffd700;
}

.rating-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* 表单操作按钮 */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* 表格容器 */
.table-container {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  margin: 0 2rem 2rem;
  padding: 1.5rem;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.table-filters input,
.table-filters select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  min-width: 150px;
}

.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--background-color);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  top: 0;
}

.data-table tr:hover {
  background-color: rgba(0, 122, 255, 0.02);
}

.data-table button {
  padding: 0.25rem 0.75rem;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  margin-right: 0.5rem;
  transition: var(--transition);
}

.data-table button.edit {
  background: var(--success-color);
  color: white;
}

.data-table button.edit:hover {
  background: #1eae4f;
}

.data-table button:not(.edit) {
  background: var(--error-color);
  color: white;
}

.data-table button:not(.edit):hover {
  background: #c1271a;
}

/* 分析网格 */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  padding: 0 2rem 2rem;
}

.chart-card,
.stats-card {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  padding: 1.5rem;
}

.chart-card h3,
.stats-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.chart-container {
  height: 300px;
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
  background: var(--background-color);
  border-radius: var(--border-radius-small);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* 总结容器 */
.summary-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  padding: 0 2rem 2rem;
}

.summary-card {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  padding: 1.5rem;
}

.summary-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.summary-content {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 模态框 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.modal-content {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-heavy);
  max-width: 400px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  z-index: 1;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0.25rem;
  transition: var(--transition);
}

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

.modal-body {
  padding: 1.5rem;
}

.auth-message {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  text-align: center;
}

.auth-message.error {
  background: rgba(255, 59, 48, 0.1);
  color: var(--error-color);
}

.auth-message.success {
  background: rgba(52, 199, 89, 0.1);
  color: var(--success-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .header-content {
    padding: 0 1rem;
  }
  
  .page-header {
    padding: 1.5rem 1rem 1rem;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .record-card,
  .table-container {
    margin: 0 1rem 1rem;
    padding: 1rem;
  }
  
  .analytics-grid,
  .summary-container {
    grid-template-columns: 1fr;
    padding: 0 1rem 1rem;
  }
  
  .chart-card,
  .stats-card,
  .summary-card {
    padding: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-actions {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .table-filters {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .table-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .data-table {
    font-size: 0.8rem;
  }
  
  .data-table th,
  .data-table td {
    padding: 0.5rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .logo h1 {
    display: none;
  }
  
  .modal-content {
    width: 95%;
  }
  
  .modal-header,
  .modal-body {
    padding: 1rem;
  }
  
  .chart-container {
    height: 250px;
  }
}

/* 动画和过渡效果 */
.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

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

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

/* 用户操作区域 */
.user-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(52, 199, 89, 0.1);
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  color: var(--success-color);
}

.sync-status.syncing {
  background: rgba(255, 149, 0, 0.1);
  color: var(--warning-color);
}

.sync-status.error {
  background: rgba(255, 59, 48, 0.1);
  color: var(--error-color);
}

/* 认证标签页 */
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.auth-tab {
  flex: 1;
  padding: 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.auth-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.auth-tab:hover {
  background: var(--background-color);
}

/* 认证面板 */
.auth-panel {
  display: none;
}

.auth-panel.active {
  display: block;
}

/* Google登录按钮 */
.google-signin-container {
  text-align: center;
  padding: 2rem 0;
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: white;
  border: 1px solid #dadce0;
  border-radius: var(--border-radius-small);
  font-size: 1rem;
  font-weight: 500;
  color: #3c4043;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 1rem;
}

.btn-google:hover {
  background: #f8f9fa;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-google:active {
  background: #f1f3f4;
}

.auth-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
  margin: 0;
  line-height: 1.4;
}

/* 云端状态指示器 */
.cloud-indicator {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--surface-color);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-medium);
  color: var(--success-color);
  font-size: 1.2rem;
  z-index: 100;
  transition: var(--transition);
}

.cloud-indicator.syncing {
  color: var(--warning-color);
  animation: pulse 1.5s infinite;
}

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

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

/* 离线模式提示 */
.offline-banner {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--warning-color);
  color: white;
  padding: 0.75rem 2rem;
  text-align: center;
  font-size: 0.9rem;
  z-index: 999;
  transform: translateY(-100%);
  transition: var(--transition);
}

.offline-banner.show {
  transform: translateY(0);
}

/* 数据同步状态 */
.sync-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-left: 0.5rem;
}

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

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

/* 响应式更新 */
@media (max-width: 768px) {
  .user-actions {
    gap: 0.5rem;
  }
  
  .sync-status {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
  }
  
  .cloud-indicator {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .offline-banner {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-color);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}