/* liubixiefu_time_management/frontend/css/style.css */
:root {
  /* 主题色变量 */
  --primary-color: #ef4444;
  --primary-hover: #dc2626;
  --secondary-color: #ec4899;
  --accent-color: #8b5cf6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --light-color: #f3f4f6;
  --dark-color: #1f2937;
  --gray-color: #6b7280;
  
  /* 类别颜色 */
  --work-color: #3b82f6;
  --personal-color: #8b5cf6;
  --shopping-color: #10b981;
  --health-color: #ef4444;
  
  /* 优先级颜色 */
  --priority-low: #10b981;
  --priority-medium: #f59e0b;
  --priority-high: #ef4444;
  
  /* 过渡时间 */
  --transition-time: 0.3s;
}

/* 页面基础样式 */
body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.5;
  color: var(--dark-color);
  transition: background-color var(--transition-time);
}

.dark-mode {
  background-color: var(--dark-color);
  color: var(--light-color);
}

.dark-mode .bg-white {
  background-color: #2d3748 !important;
  color: var(--light-color);
}

.dark-mode .text-gray-800 {
  color: #e2e8f0 !important;
}

.dark-mode .text-gray-500 {
  color: #a0aec0 !important;
}

.dark-mode .bg-gray-100 {
  background-color: #4a5568 !important;
}

.dark-mode .bg-gray-50 {
  background-color: #374151 !important;
}

/* 头部样式 */
.header-btn {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-time), transform var(--transition-time);
}

.header-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* 番茄钟区域样式 */
.pomodoro-container {
  background: linear-gradient(145deg, #ffffff, #f0f0f0);
  border-radius: 16px;
  transition: transform var(--transition-time), box-shadow var(--transition-time);
}

.pomodoro-container:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.pomodoro-display {
  background-color: #f9fafb;
  border-radius: 12px;
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

.pomodoro-progress {
  height: 6px;
  background-color: #e5e7eb;
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  border-radius: 3px;
  transition: width 1s linear;
}

.pomodoro-btn {
  background-color: #f3f4f6;
  color: var(--dark-color);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-time), transform var(--transition-time), color var(--transition-time);
}

.pomodoro-btn:hover:not(:disabled) {
  background-color: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

.pomodoro-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quick-time-btn {
  background-color: #f3f4f6;
  color: var(--dark-color);
  border: none;
  border-radius: 8px;
  padding: 8px 0;
  cursor: pointer;
  transition: background-color var(--transition-time), transform var(--transition-time);
}

.quick-time-btn:hover {
  background-color: #e5e7eb;
  transform: translateY(-2px);
}

.time-input {
  width: 100%;
  padding: 8px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  transition: border-color var(--transition-time);
}

.time-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.save-settings-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color var(--transition-time);
}

.save-settings-btn:hover {
  background-color: var(--primary-hover);
}

/* 统计区域样式 */
.stats-container {
  background: linear-gradient(145deg, #ffffff, #f0f0f0);
  border-radius: 16px;
  transition: transform var(--transition-time), box-shadow var(--transition-time);
}

.stats-container:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.stat-card {
  border-radius: 12px;
  transition: transform var(--transition-time);
}

.stat-card:hover {
  transform: translateY(-3px);
}

/* 任务输入与筛选区域 */
.filter-select {
  background-color: #f3f4f6;
  color: var(--dark-color);
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 8px 28px 8px 12px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px;
  cursor: pointer;
  transition: background-color var(--transition-time), border-color var(--transition-time);
}

.filter-select:hover {
  background-color: #e5e7eb;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.sort-btn {
  background-color: #f3f4f6;
  color: var(--dark-color);
  border: none;
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background-color var(--transition-time), transform var(--transition-time);
}

.sort-btn:hover {
  background-color: #e5e7eb;
  transform: translateY(-2px);
}

.add-task-card {
  background: linear-gradient(145deg, #ffffff, #f0f0f0);
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-time), box-shadow var(--transition-time);
}

.add-task-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 类别选择区域 */
.category-option {
  background-color: white;
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-time), box-shadow var(--transition-time);
}

.category-option:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.category-icon {
  background-color: #f3f4f6;
  color: var(--dark-color);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 20px;
  transition: background-color var(--transition-time), color var(--transition-time);
}

.category-option.work .category-icon {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--work-color);
}

.category-option.personal .category-icon {
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--personal-color);
}

.category-option.shopping .category-icon {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--shopping-color);
}

.category-option.health .category-icon {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--health-color);
}

.category-option.work:hover .category-icon {
  background-color: var(--work-color);
  color: white;
}

.category-option.personal:hover .category-icon {
  background-color: var(--personal-color);
  color: white;
}

.category-option.shopping:hover .category-icon {
  background-color: var(--shopping-color);
  color: white;
}

.category-option.health:hover .category-icon {
  background-color: var(--health-color);
  color: white;
}

.category-name {
  font-size: 14px;
  font-weight: 500;
  margin-top: 8px;
}

/* 任务列表区域 */
.task-list-wrapper {
  max-height: 600px;
  overflow-y: auto;
}

.task-list {
  max-height: 500px;
  overflow-y: auto;
  padding-right: 4px;
}

/* 自定义滚动条 */
.task-list::-webkit-scrollbar {
  width: 4px;
}

.task-list::-webkit-scrollbar-track {
  background-color: #f3f4f6;
  border-radius: 2px;
}

.task-list::-webkit-scrollbar-thumb {
  background-color: var(--gray-color);
  border-radius: 2px;
}

.task-list::-webkit-scrollbar-thumb:hover {
  background-color: var(--dark-color);
}

.task-item {
  border-radius: 8px;
  margin-bottom: 12px;
  background-color: #f9fafb;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition-time), transform var(--transition-time);
  overflow: hidden;
}

.task-item:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.task-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.task-check {
  width: 22px;
  height: 22px;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  margin-right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: background-color var(--transition-time), border-color var(--transition-time);
}

.task-check:hover {
  border-color: var(--success-color);
}

.task-check.checked {
  background-color: var(--success-color);
  border-color: var(--success-color);
}

.task-check.checked i {
  color: white;
  opacity: 1;
}

.task-check i {
  opacity: 0;
  transition: opacity var(--transition-time);
}

.task-title {
  flex-grow: 1;
  font-weight: 500;
  margin-right: 8px;
  transition: color var(--transition-time), text-decoration var(--transition-time);
}

.task-item.done .task-title {
  color: #9ca3af;
  text-decoration: line-through;
}

.task-badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  margin-right: 8px;
}

.task-badge.work {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--work-color);
}

.task-badge.personal {
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--personal-color);
}

.task-badge.shopping {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--shopping-color);
}

.task-badge.health {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--health-color);
}

.task-badge.priority-low {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--priority-low);
}

.task-badge.priority-medium {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--priority-medium);
}

.task-badge.priority-high {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--priority-high);
}

.task-due {
  font-size: 12px;
  color: #6b7280;
}

.task-due.overdue {
  color: var(--danger-color);
}

.expand-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-time);
}

.task-item.expanded .expand-icon {
  transform: rotate(180deg);
}

.task-body {
  padding: 0 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-time), padding-top var(--transition-time), padding-bottom var(--transition-time);
}

.task-item.expanded .task-body {
  max-height: 500px;
  padding-top: 8px;
  padding-bottom: 16px;
}

.task-description {
  color: #6b7280;
  margin-bottom: 16px;
  line-height: 1.5;
}

.subtasks-list {
  border-top: 1px solid #e5e7eb;
  padding-top: 12px;
}

.subtask {
  display: flex;
  align-items: center;
  padding: 8px 0;
  transition: background-color var(--transition-time);
  border-radius: 4px;
}

.subtask:hover {
  background-color: #f3f4f6;
}

.subtask-check {
  width: 18px;
  height: 18px;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  margin-right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: background-color var(--transition-time), border-color var(--transition-time);
}

.subtask-check:hover {
  border-color: var(--success-color);
}

.subtask-check.checked {
  background-color: var(--success-color);
  border-color: var(--success-color);
}

.subtask-check.checked i {
  color: white;
  opacity: 1;
}

.subtask-check i {
  opacity: 0;
  transition: opacity var(--transition-time);
  font-size: 10px;
}

.subtask-title {
  flex-grow: 1;
  transition: color var(--transition-time), text-decoration var(--transition-time);
}

.subtask.done .subtask-title {
  color: #9ca3af;
  text-decoration: line-through;
}

.subtask-countdown {
  font-size: 12px;
  margin-right: 8px;
  padding: 2px 6px;
  border-radius: 4px;
}

.subtask-countdown.urgent {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

.subtask-countdown.normal {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.subtask-countdown.completed {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.subtask-countdown.overdue {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

.subtask-action {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  margin-left: 4px;
  cursor: pointer;
  transition: color var(--transition-time), transform var(--transition-time);
}

.subtask-action:hover {
  color: var(--dark-color);
  transform: scale(1.2);
}

.add-subtask-btn {
  background-color: transparent;
  border: 1px dashed #d1d5db;
  color: #6b7280;
  border-radius: 6px;
  padding: 8px 12px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  cursor: pointer;
  transition: background-color var(--transition-time), color var(--transition-time);
}

.add-subtask-btn:hover {
  background-color: #f3f4f6;
  color: var(--dark-color);
}

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

.task-action-btn {
  background-color: transparent;
  border: none;
  color: #6b7280;
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color var(--transition-time), color var(--transition-time);
}

.task-action-btn:hover {
  background-color: #f3f4f6;
  color: var(--dark-color);
}

.task-action-btn.delete:hover {
  color: var(--danger-color);
}

/* 编辑覆盖层 */
.edit-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-time), visibility var(--transition-time);
}

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

.edit-container {
  background-color: white;
  border-radius: 12px;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 24px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  transform: translateY(20px);
  transition: transform var(--transition-time);
}

.edit-overlay.active .edit-container {
  transform: translateY(0);
}

.edit-input {
  width: 100%;
  padding: 10px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  margin-bottom: 16px;
  transition: border-color var(--transition-time);
}

.edit-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* 模态框区域 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-time), visibility var(--transition-time);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background-color: white;
  border-radius: 16px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-time);
  z-index: 1;
}

.modal.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.close-modal {
  background-color: transparent;
  border: none;
  color: #6b7280;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-time), color var(--transition-time), transform var(--transition-time);
}

.close-modal:hover {
  background-color: #f3f4f6;
  color: var(--danger-color);
  transform: rotate(90deg);
}

.modal-body {
  padding: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #4b5563;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background-color: white;
  transition: border-color var(--transition-time), box-shadow var(--transition-time);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.invalid, .form-select.invalid, .form-textarea.invalid {
  border-color: var(--danger-color);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  margin-top: 24px;
}

.cancel-btn {
  background-color: #f3f4f6;
  color: var(--dark-color);
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-time);
}

.cancel-btn:hover {
  background-color: #e5e7eb;
}

.save-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-time);
}

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

/* 粒子背景 */
#particles-js {
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* 响应式样式调整 */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 16px;
  }
  
  .category-options {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pomodoro-display {
    padding: 16px;
  }
  
  .pomodoro-controls {
    justify-content: space-around;
  }
  
  .quick-times {
    justify-content: space-between;
  }
  
  .quick-time-btn {
    padding: 6px 0;
    font-size: 14px;
  }
  
  .modal-content {
    width: 95%;
    max-height: 80vh;
  }
}

@media (max-width: 480px) {
  .header-btn {
    width: 36px;
    height: 36px;
  }
  
  .pomodoro-btn {
    width: 44px;
    height: 44px;
  }
  
  .modal-content {
    width: 100%;
    border-radius: 12px 12px 0 0;
    position: fixed;
    bottom: 0;
    top: auto;
    max-height: 90vh;
  }
  
  .modal.active .modal-content {
    transform: translateY(0);
  }
}

/* 添加子任务样式 */
.subtask-input-container {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  gap: 8px;
}

.subtask-input {
  flex-grow: 1;
  padding: 8px 12px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  transition: border-color var(--transition-time);
}

.subtask-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.remove-subtask-btn {
  background-color: #f3f4f6;
  color: var(--gray-color);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-time), color var(--transition-time);
}

.remove-subtask-btn:hover {
  background-color: #fee2e2;
  color: var(--danger-color);
}

/* 动画效果 */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

.fade-in {
  animation: fade-in var(--transition-time) ease-out;
}

.slide-up {
  animation: slide-up var(--transition-time) ease-out;
}

.empty-tasks {
  color: #9ca3af;
}

.empty-tasks i {
  opacity: 0.5;
}