/**
 * 通用组件样式
 */

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

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

/* 主要按钮 */
.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.4);
}

/* 次要按钮 */
.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary);
}

/* 幽灵按钮 */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-card);
  color: var(--primary);
}

/* 按钮尺寸 */
.btn-sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--text-lg);
}

.btn-xl {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--text-xl);
}

/* 圆形按钮 */
.btn-circle {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-circle.btn-sm {
  width: 32px;
  height: 32px;
}

.btn-circle.btn-lg {
  width: 48px;
  height: 48px;
}

/* ========== 卡片 ========== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-body {
  padding: var(--spacing-4);
}

.card-header {
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--divider);
}

.card-footer {
  padding: var(--spacing-4);
  border-top: 1px solid var(--divider);
}

/* ========== 漫画卡片 ========== */
.manga-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.manga-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.manga-card__link {
  display: block;
}

.manga-card__cover {
  position: relative;
  aspect-ratio: var(--cover-ratio);
  overflow: hidden;
}

.manga-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.manga-card:hover .manga-card__image {
  transform: scale(1.08);
}

.manga-card__overlay {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  display: flex;
  gap: var(--spacing-1);
}

.manga-card__status {
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.manga-card__status.is-ongoing {
  background: rgba(76, 175, 80, 0.85);
  color: white;
}

.manga-card__status.is-complete {
  background: rgba(255, 152, 0, 0.85);
  color: white;
}

.manga-card__hover {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--spacing-4);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.manga-card:hover .manga-card__hover {
  opacity: 1;
}

.manga-card__read-btn {
  background: var(--primary-gradient);
  color: white;
  padding: var(--spacing-2) var(--spacing-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.manga-card__info {
  padding: var(--spacing-3);
}

.manga-card__title {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manga-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-2);
}

.manga-card__tags {
  display: flex;
  gap: var(--spacing-1);
  flex-wrap: wrap;
}

/* ========== 标签 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary-light);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: rgba(var(--primary-rgb), 0.25);
}

.tag-outline {
  background: transparent;
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
}

.tag-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ========== 徽章 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: white;
}

.badge-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  padding: 0;
}

/* ========== 输入框 ========== */
.input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--text-base);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.input::placeholder {
  color: var(--text-muted);
}

/* 搜索框 */
.search-input {
  padding-left: var(--spacing-10);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23808080' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: var(--spacing-3) center;
}

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--divider);
  backdrop-filter: var(--backdrop-blur);
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
}

.navbar-container {
  max-width: var(--container-xl);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.navbar-logo {
  height: 32px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

.navbar-link {
  font-size: var(--text-md);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--primary);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

/* 移动端导航 */
@media (max-width: 768px) {
  .navbar {
    height: var(--header-height-mobile);
  }
  
  .navbar-menu {
    display: none;
  }
}

/* ========== 分页 ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

.pagination-item {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-item:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination-item.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.pagination-item:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========== 章节列表 ========== */
.chapter-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-2);
}

.chapter-item {
  padding: var(--spacing-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-fast);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chapter-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
}

.chapter-item.is-vip {
  position: relative;
}

.chapter-item.is-vip::after {
  content: 'VIP';
  position: absolute;
  top: 2px;
  right: 2px;
  padding: 1px 4px;
  font-size: 10px;
  background: var(--accent-gold);
  color: #000;
  border-radius: var(--radius-sm);
}

/* ========== 评论组件 ========== */
.comment-item {
  display: flex;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--divider);
}

.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.comment-content {
  flex: 1;
  min-width: 0;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.comment-author {
  font-weight: 600;
  color: var(--text-primary);
}

.comment-time {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.comment-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ========== 加载状态 ========== */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

/* ========== 空状态 ========== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-12);
  text-align: center;
}

.empty-state__icon {
  font-size: 64px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-4);
}

.empty-state__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2);
}

.empty-state__desc {
  font-size: var(--text-base);
  color: var(--text-tertiary);
}

/* ========== 主题切换按钮 ========== */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.theme-toggle__icon {
  width: 20px;
  height: 20px;
}

/* 暗色模式下显示太阳图标 */
[data-theme="dark"] .theme-toggle__icon--sun { display: block; }
[data-theme="dark"] .theme-toggle__icon--moon { display: none; }

/* 浅色模式下显示月亮图标 */
[data-theme="light"] .theme-toggle__icon--sun { display: none; }
[data-theme="light"] .theme-toggle__icon--moon { display: block; }

/* ========== 排行榜 ========== */
.rank-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.rank-item:hover {
  background: var(--bg-card-hover);
}

.rank-number {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.rank-number.top-1 { background: #ffd700; color: #000; }
.rank-number.top-2 { background: #c0c0c0; color: #000; }
.rank-number.top-3 { background: #cd7f32; color: #fff; }

.rank-cover {
  width: 48px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

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

.rank-title {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-desc {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== Section 标题 ========== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.section-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
}

.section-more {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.section-more:hover {
  color: var(--primary);
}

/* ========== 通用封面 Hover 效果 ========== */
.cover-hover {
  position: relative;
  overflow: hidden;
}

.cover-hover img {
  transition: transform var(--transition-normal);
}

.cover-hover:hover img {
  transform: scale(1.08);
}

/* 触摸设备上的效果 */
@media (hover: none) {
  .cover-hover:active img {
    transform: scale(1.05);
  }
}

/* 列表项封面效果 */
.list-cover {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.list-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.list-cover:hover img {
  transform: scale(1.08);
}