/* ============================================
   组件样式 - 卡片、按钮、模态框等
   ============================================ */

/* --- 侧边栏 --- */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: width var(--transition-normal);
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
  min-height: var(--topbar-height);
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.sidebar-brand {
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.sidebar.collapsed .sidebar-brand {
  opacity: 0;
  width: 0;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
}

.nav-item:hover {
  background: var(--color-bg);
}

.nav-item.active {
  color: white;
  font-weight: 600;
}

.nav-item[data-page='diary'].active {
  background: var(--gradient-warm);
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
}

.nav-item[data-page='photos'].active {
  background: var(--gradient-cool);
  box-shadow: 0 2px 8px rgba(78, 205, 196, 0.3);
}

.nav-item[data-page='habits'].active {
  background: var(--gradient-sky);
  box-shadow: 0 2px 8px rgba(69, 183, 209, 0.3);
}

.nav-item[data-page='health'].active {
  background: var(--gradient-nature);
  box-shadow: 0 2px 8px rgba(150, 206, 180, 0.3);
}

.nav-item[data-page='finance'].active {
  background: var(--gradient-gold);
  box-shadow: 0 2px 8px rgba(253, 203, 110, 0.3);
}

.nav-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.nav-label {
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-label {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-toggle {
  padding: 12px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
}

.sidebar-toggle button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.sidebar-toggle button:hover {
  background: var(--color-bg);
}

/* --- 日记卡片 --- */
.diary-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.diary-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: 0 2px 12px var(--color-shadow);
  border-left: 4px solid var(--color-diary);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.diary-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 20px var(--color-shadow);
}

.diary-card .diary-date {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.diary-card .diary-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.diary-card .diary-preview {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.diary-card .diary-mood {
  font-size: 1.2rem;
  margin-top: 8px;
}

/* --- 照片瀑布流 --- */
.photo-grid {
  columns: 4;
  column-gap: 16px;
}

.photo-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.photo-item:hover {
  transform: scale(1.02);
}

.photo-item img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

.photo-item .photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: white;
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.photo-item:hover .photo-overlay {
  opacity: 1;
}

.photo-drop-zone {
  border: 3px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  margin-bottom: 20px;
}

.photo-drop-zone.dragover {
  border-color: var(--color-photos);
  background: var(--color-photos-light);
}

.photo-drop-zone .drop-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

/* --- 习惯热力图 --- */
.habit-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.habit-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: 0 2px 8px var(--color-shadow);
}

.habit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.habit-name {
  font-weight: 700;
  font-size: 1rem;
}

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

.habit-streak .streak-count {
  font-weight: 700;
  color: var(--color-habits);
}

.habit-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.habit-day {
  aspect-ratio: 1;
  border-radius: 4px;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.habit-day.checked {
  background: var(--gradient-sky);
  color: white;
  font-weight: 600;
}

.habit-day.today {
  outline: 2px solid var(--color-habits);
  outline-offset: -2px;
}

.habit-check-btn {
  width: 100%;
  margin-top: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--color-habits-light);
  color: var(--color-habits);
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.habit-check-btn:hover {
  background: var(--color-habits);
  color: white;
}

.habit-check-btn.checked {
  background: var(--gradient-sky);
  color: white;
}

/* --- 健康数据 --- */
.health-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.health-input-group {
  text-align: center;
}

.health-input-group .form-label {
  text-align: center;
  margin-bottom: 4px;
}

.health-input-group .form-input {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 12px;
}

.chart-container {
  width: 100%;
  height: 250px;
  margin-top: 16px;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* --- 全屏图片查看器 --- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* --- Toast 通知 --- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  animation: toastIn 0.3s ease forwards;
  min-width: 250px;
}

.toast.toast-out {
  animation: toastOut 0.3s ease forwards;
}

.toast-success { border-left: 4px solid #27ae60; }
.toast-error { border-left: 4px solid #e74c3c; }
.toast-info { border-left: 4px solid #3498db; }

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes toastOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* --- 页面切换动画 --- */
.page-section {
  display: none;
}

.page-section.active {
  display: block;
  animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- 情绪选择器 --- */
.mood-selector {
  display: flex;
  gap: 8px;
}

.mood-option {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  border: 2px solid var(--color-border);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.mood-option:hover {
  border-color: var(--color-diary);
  transform: scale(1.1);
}

.mood-option.selected {
  border-color: var(--color-diary);
  background: var(--color-diary-light);
  transform: scale(1.15);
}

/* --- 视图切换 --- */
.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.view-toggle button {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.view-toggle button.active {
  background: var(--color-surface);
  box-shadow: 0 1px 4px var(--color-shadow);
}

/* --- 日历小部件 --- */
.mini-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
  font-size: 0.8rem;
}

.mini-calendar .cal-header {
  font-weight: 700;
  color: var(--color-text-secondary);
  padding: 8px 0;
}

.mini-calendar .cal-day {
  padding: 6px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.mini-calendar .cal-day:hover {
  background: var(--color-bg);
}

.mini-calendar .cal-day.has-entry {
  background: var(--color-diary-light);
  color: var(--color-diary);
  font-weight: 600;
}

.mini-calendar .cal-day.today {
  outline: 2px solid var(--color-diary);
}

.mini-calendar .cal-day.other-month {
  color: #ccc;
}

/* --- 滚动条美化 --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

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

/* --- 移动端底部导航 --- */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  z-index: 200;
  padding: 6px 0;
  padding-bottom: env(safe-area-inset-bottom, 6px);
}

.mobile-nav-items {
  display: flex;
  justify-content: space-around;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 8px;
  font-size: 0.65rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.mobile-nav-item .nav-icon {
  font-size: 1.2rem;
}

.mobile-nav-item.active {
  color: #667eea;
}

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .main-content {
    margin-left: 0 !important;
  }

  .page-body {
    padding-bottom: 80px;
  }

  .finance-summary {
    grid-template-columns: 1fr;
  }

  .photo-grid {
    columns: 2;
  }
}