/* === 非首屏样式合包 === */

/* --- knowledge-graph.css --- */
/* 知识图谱样式 */

.knowledge-graph {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.knowledge-graph-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.knowledge-graph-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.knowledge-graph-count {
  font-size: 13px;
  color: var(--text-tertiary);
  padding: 4px 10px;
  background: var(--bg-muted);
  border-radius: 12px;
}

/* SVG画布 */
.knowledge-graph-canvas {
  background: var(--bg-muted);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.knowledge-graph-canvas svg {
  display: block;
}

/* 边 */
.knowledge-graph-edge {
  stroke: var(--border-color);
  opacity: 0.5;
  transition: opacity 0.2s;
}

.knowledge-graph-edge:hover {
  opacity: 1;
}

/* 节点 */
.knowledge-graph-node {
  cursor: pointer;
}

.knowledge-graph-node circle {
  fill: var(--color-primary);
  stroke: var(--bg-surface);
  stroke-width: 2;
  transition: all 0.2s;
}

.knowledge-graph-node text {
  fill: var(--text-secondary);
  font-size: 10px;
  pointer-events: none;
}

.knowledge-graph-node:hover circle {
  r: 10;
  fill: var(--color-primary-dark, #1a5a42);
}

.knowledge-graph-node.selected circle {
  fill: var(--color-primary);
  stroke: var(--color-primary-dark, #1a5a42);
  stroke-width: 3;
  r: 12;
}

/* 图例 */
.knowledge-graph-legend {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.knowledge-graph-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.knowledge-graph-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.knowledge-graph-legend-dot.blog {
  background: var(--color-primary);
}

.knowledge-graph-legend-dot.note {
  background: var(--color-primary-light, #4daa7d);
}

/* 详情面板 */
.knowledge-graph-detail {
  padding: 16px;
  background: var(--bg-muted);
  border-radius: 8px;
  border-left: 3px solid var(--color-primary);
}

.knowledge-graph-detail h4 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.knowledge-graph-detail-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.knowledge-graph-detail-type {
  font-size: 12px;
  padding: 2px 8px;
  background: var(--color-primary-alpha, rgba(45, 122, 95, 0.1));
  color: var(--color-primary);
  border-radius: 4px;
}

.knowledge-graph-detail-date {
  font-size: 12px;
  color: var(--text-tertiary);
}

.knowledge-graph-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.knowledge-graph-tag {
  padding: 4px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.knowledge-graph-detail-link {
  display: inline-block;
  padding: 8px 16px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 6px;
  font-size: 13px;
  text-decoration: none;
  transition: background 0.2s;
}

.knowledge-graph-detail-link:hover {
  background: var(--color-primary-dark, #1a5a42);
}

/* 加载和错误状态 */
.knowledge-graph-loading,
.knowledge-graph-error {
  text-align: center;
  padding: 40px;
  color: var(--text-tertiary);
  font-size: 14px;
}

/* 响应式 */
@media (max-width: 768px) {
  .knowledge-graph {
    padding: 16px;
  }
  
  .knowledge-graph-canvas svg {
    height: 300px;
  }
  
  .knowledge-graph-legend {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
}


/* --- custom-theme.css --- */
/* 自定义主题色样式 */

.theme-picker-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.theme-picker-dialog {
  background: var(--bg-surface);
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.theme-picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.theme-picker-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.theme-picker-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.theme-picker-close:hover {
  background: var(--color-danger, #c53030);
  color: #fff;
}

.theme-picker-body {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(80vh - 80px);
}

.theme-picker-section {
  margin-bottom: 24px;
}

.theme-picker-section:last-child {
  margin-bottom: 0;
}

.theme-picker-section h4 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.theme-picker-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.theme-picker-preset {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-muted);
  border: 2px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.theme-picker-preset:hover {
  background: var(--bg-base);
  transform: translateY(-2px);
}

.theme-picker-preset.active {
  border-color: var(--color-primary);
  background: var(--bg-base);
}

.theme-picker-preset-color {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.theme-picker-preset-name {
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
}

.theme-picker-custom {
  display: flex;
  gap: 12px;
  align-items: center;
}

.theme-picker-custom input[type="color"] {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  padding: 4px;
}

.theme-picker-custom input[type="text"] {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  font-family: monospace;
  background: var(--bg-base);
  color: var(--text-primary);
}

.theme-picker-custom input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

.theme-picker-btn {
  padding: 12px 24px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.theme-picker-btn:hover {
  background: var(--color-primary-dark);
}

.theme-picker-preview {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.theme-picker-preview-btn {
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 6px;
  font-size: 14px;
}

.theme-picker-preview-link {
  padding: 10px 20px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: underline;
}

.theme-picker-preview-badge {
  padding: 6px 12px;
  background: var(--color-primary-alpha);
  color: var(--color-primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

/* 响应式 */
@media (max-width: 768px) {
  .theme-picker-dialog {
    width: 95%;
    max-height: 90vh;
  }
  
  .theme-picker-presets {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .theme-picker-custom {
    flex-direction: column;
  }
  
  .theme-picker-custom input[type="text"] {
    width: 100%;
  }
  
  .theme-picker-btn {
    width: 100%;
  }
}


/* --- back-to-top.css --- */
/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  color: var(--text-secondary);
}

.back-to-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* 移动端样式 */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}


/* --- lazy-load.css --- */
/* 懒加载样式 */
img[data-src] {
  background: var(--bg-muted);
  transition: opacity 0.3s ease;
}

img[data-src]:not([data-loaded]) {
  opacity: 0.6;
}

img.lazy-loaded {
  opacity: 1;
  animation: fadeIn 0.3s ease;
}

img.lazy-error {
  opacity: 0.5;
  filter: grayscale(1);
}

.lazy-loading {
  position: relative;
  overflow: hidden;
}

.lazy-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}


/* --- skeleton.css --- */
/* 骨架屏样式 */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--bg-muted);
  border-radius: 4px;
}

.skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-text.medium {
  width: 80%;
}

.skeleton-title {
  height: 24px;
  width: 70%;
  margin-bottom: 16px;
  border-radius: 4px;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-image {
  width: 100%;
  height: 200px;
  border-radius: 8px;
}

.skeleton-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--space-4);
}

/* 博客列表骨架屏 */
.skeleton-post {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.skeleton-post-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.skeleton-post-content {
  padding-left: calc(40px + var(--space-3));
}

/* 评论骨架屏 */
.skeleton-comment {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.skeleton-comment-body {
  flex: 1;
}

/* 卡片骨架屏 */
.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

@keyframes skeleton-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* 首页列表骨架屏 */
.skeleton-list {
  display: flex; flex-direction: column; gap: 0;
}
.skeleton-item {
  height: 48px;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border-light);
  position: relative; overflow: hidden;
}
.skeleton-item::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}

/* 首页区块骨架屏（日历/图谱等） */
.skeleton-block {
  height: 200px;
  background: var(--bg-muted);
  border-radius: var(--radius-lg);
  position: relative; overflow: hidden;
}
.skeleton-block::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: skeleton-shimmer 1.5s infinite;
}

/* 页面加载动画 */
.page-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  height: 2px;
  background: var(--color-primary);
  animation: loading-progress 1s ease-in-out;
}

@keyframes loading-progress {
  0% { width: 0; }
  50% { width: 70%; }
  100% { width: 100%; opacity: 0; }
}


/* --- user-manager.css --- */
/* 用户管理样式 */

/* 欢迎弹窗 */
.welcome-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.welcome-dialog {
  background: var(--bg-surface, #fff);
  border-radius: 16px;
  width: 90%;
  max-width: 400px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: welcomeSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes welcomeSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.welcome-header {
  background: linear-gradient(135deg, var(--color-primary, #2d7a5f), var(--color-primary-dark, #1a5a42));
  color: #fff;
  padding: 32px 24px;
  text-align: center;
}

.welcome-header h2 {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 700;
}

.welcome-header p {
  margin: 0;
  font-size: 14px;
  opacity: 0.9;
}

.welcome-body {
  padding: 24px;
}

.welcome-input-group {
  margin-bottom: 20px;
}

.welcome-input-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, #1a1a1a);
  margin-bottom: 8px;
}

.welcome-input-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color, #e4e0d8);
  border-radius: 8px;
  font-size: 16px;
  background: var(--bg-base, #fff);
  color: var(--text-primary, #1a1a1a);
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.welcome-input-group input:focus {
  outline: none;
  border-color: var(--color-primary, #2d7a5f);
  box-shadow: 0 0 0 3px rgba(45, 122, 95, 0.15);
}

.welcome-input-group input::placeholder {
  color: var(--text-tertiary, #999);
}

.welcome-btn {
  width: 100%;
  padding: 14px;
  background: var(--color-primary, #2d7a5f);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.welcome-btn:hover {
  background: var(--color-primary-dark, #1a5a42);
  transform: translateY(-1px);
}

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

.welcome-hint {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--text-tertiary, #999);
  text-align: center;
}

/* 用户信息卡片 */
.user-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.user-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.user-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px;
}

.user-level {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.user-level-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.user-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.user-stat {
  text-align: center;
  padding: 12px;
  background: var(--bg-muted);
  border-radius: 8px;
}

.user-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.user-stat-label {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* 经验条 */
.exp-bar {
  height: 8px;
  background: var(--bg-muted);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}

.exp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light, #4daa7d));
  border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 签到按钮 */
.sign-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

.sign-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
  transform: none;
}

.sign-btn .sign-icon {
  font-size: 18px;
}

/* 签到成功动画 */
.sign-success {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-surface);
  padding: 32px 48px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  z-index: 10001;
  animation: signSuccessPop 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes signSuccessPop {
  from {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

.sign-success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.sign-success-streak {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.sign-success-exp {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
}

/* 成就系统 */
.achievement-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-muted);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

.achievement-item.unlocked {
  background: var(--bg-surface);
  border-color: var(--color-primary);
}

.achievement-item.locked {
  opacity: 0.5;
  filter: grayscale(1);
}

.achievement-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.achievement-info {
  flex: 1;
  min-width: 0;
}

.achievement-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.achievement-desc {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* 书签按钮 */
.bookmark-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

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

.bookmark-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.bookmark-btn .bookmark-icon {
  font-size: 16px;
}

/* 用户设置面板 */
.user-settings {
  max-width: 600px;
  margin: 0 auto;
}

.user-settings-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.user-settings-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.user-settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.user-settings-row:last-child {
  border-bottom: none;
}

.user-settings-label {
  font-size: 14px;
  color: var(--text-primary);
}

.user-settings-value {
  font-size: 14px;
  color: var(--text-secondary);
}

.user-settings-input {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  background: var(--bg-base);
  color: var(--text-primary);
  width: 200px;
}

.user-settings-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* 主题色选择器 */
.color-picker-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.color-picker-item {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}

.color-picker-item:hover {
  transform: scale(1.1);
}

.color-picker-item.active {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--bg-surface), 0 0 0 4px var(--text-primary);
}

/* 响应式 */
@media (max-width: 768px) {
  .welcome-dialog {
    width: 95%;
    margin: 0 10px;
  }
  
  .user-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  
  .user-stat {
    padding: 8px;
  }
  
  .user-stat-value {
    font-size: 16px;
  }
  
  .achievement-list {
    grid-template-columns: 1fr;
  }
  
  .color-picker-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 侧边栏用户面板 */
.sidebar-user-panel {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  background: var(--bg-sidebar);
}

.sidebar-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark, #1a5a42));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-user-details {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.sidebar-user-level {
  font-size: 11px;
  color: var(--color-primary);
  font-weight: 500;
}

.sidebar-user-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

#sidebar-user-role {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(45,122,95,0.1);
  color: var(--color-primary);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.sidebar-sign-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.sidebar-sign-btn:hover {
  background: var(--color-primary-dark, #1a5a42);
  transform: translateY(-1px);
}

.sidebar-sign-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
  transform: none;
}

.sidebar-sign-btn i {
  font-size: 14px;
}

.sidebar-user-exp {
  margin-bottom: 12px;
}

.sidebar-exp-bar {
  height: 6px;
  background: var(--bg-muted);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.sidebar-exp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light, #4daa7d));
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-exp-text {
  font-size: 10px;
  color: var(--text-tertiary);
  display: block;
  text-align: right;
}

.sidebar-user-actions {
  display: flex;
  gap: 8px;
}

.sidebar-user-actions button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.sidebar-user-actions button:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.sidebar-user-actions button i {
  font-size: 16px;
}

/* 签到成功动画 */
.sign-success-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  animation: fadeIn 0.2s ease;
}

.sign-success {
  background: var(--bg-surface);
  border-radius: 16px;
  padding: 32px 48px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  animation: signSuccessPop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sign-success-icon {
  font-size: 48px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.sign-success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.sign-success-streak {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.sign-success-exp {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.sign-success-btn {
  padding: 10px 32px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.sign-success-btn:hover {
  background: var(--color-primary-dark, #1a5a42);
}

/* 成就通知 */
.achievement-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: var(--bg-surface);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  z-index: 10002;
  animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transition: all 0.3s ease;
}

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

.achievement-notification-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.achievement-notification-content {
  flex: 1;
}

.achievement-notification-title {
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.achievement-notification-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.achievement-notification-desc {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* 用户设置弹窗 */
.user-settings-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.user-settings-dialog {
  background: var(--bg-surface);
  border-radius: 16px;
  width: 90%;
  max-width: 400px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.user-settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.user-settings-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.user-settings-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.user-settings-close:hover {
  background: var(--color-danger, #c53030);
  color: #fff;
}

.user-settings-body {
  padding: 24px;
}

.user-settings-field {
  margin-bottom: 20px;
}

.user-settings-field label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.user-settings-field input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  background: var(--bg-base);
  color: var(--text-primary);
  box-sizing: border-box;
}

.user-settings-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 122, 95, 0.15);
}

.user-settings-save {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.user-settings-save:hover {
  background: var(--color-primary-dark, #1a5a42);
}

/* 用户提示 */
.user-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  z-index: 10001;
  animation: slideDown 0.3s ease;
  transition: opacity 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* 认证弹窗 */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.auth-dialog {
  background: var(--bg-surface);
  border-radius: 16px;
  width: 90%;
  max-width: 400px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-header {
  display: flex;
  align-items: center;
  padding: 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.auth-tab {
  flex: 1;
  padding: 16px;
  background: none;
  border: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

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

.auth-close {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
}

.auth-close:hover {
  background: var(--color-danger, #c53030);
  color: #fff;
}

.auth-body {
  padding: 24px;
}

.auth-form {
  /* 表单容器 */
}

.auth-field {
  margin-bottom: 16px;
}

.auth-field label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.auth-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 15px;
  background: var(--bg-base);
  color: var(--text-primary);
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 122, 95, 0.1);
}

.auth-field input::placeholder {
  color: var(--text-tertiary);
}

.auth-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 8px;
}

.auth-submit:hover {
  background: var(--color-primary-dark, #1a5a42);
}

.auth-error {
  margin-top: 12px;
  padding: 10px 14px;
  background: #fef2f2;
  color: #dc2626;
  border-radius: 6px;
  font-size: 13px;
}

/* 侧边栏登录按钮 */
.sidebar-auth-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.sidebar-auth-btn:hover {
  background: var(--color-primary-dark, #1a5a42);
}

.sidebar-auth-btn i {
  font-size: 18px;
}