/* Discord Status Card Styles - 性能优化版本 */

/* 容器 */
discord-status {
  display: block;
  width: 100%;
  max-width: 720px;
  margin: 1.5rem auto;
  content-visibility: auto;
  contain-intrinsic-size: 0 200px;
}

/* 外层大卡片 - 使用 contain 优化渲染 */
.discord-card {
  background: var(--card-bg, #ffffff);
  border: 1px solid var(--card-border, #e5e7eb);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  font-family: system-ui, -apple-system, sans-serif;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  contain: layout style paint;
  will-change: transform;
}

.discord-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 12px -2px rgba(0, 0, 0, 0.15);
}

/* 内部分栏容器 */
.discord-inner {
  display: flex;
  gap: 1.5rem;
}

/* 左侧：用户信息 - 固定宽度 */
.discord-left {
  flex: 0 0 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* 右侧：活动区域 - 自适应 */
.discord-right {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 移动端：竖屏堆叠 */
@media (max-width: 640px) {
  .discord-inner {
    flex-direction: column;
    gap: 1rem;
  }
  .discord-left {
    flex: 1 1 auto;
  }
}

/* Discord Logo - GPU 加速 */
.discord-logo {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  width: 1.25rem;
  height: 1.25rem;
  opacity: 0.3;
  transition: opacity 0.3s ease;
  color: var(--text-secondary, #6b7280);
  will-change: opacity;
  transform: translateZ(0);
}

.discord-logo:hover {
  opacity: 0.6;
}

/* 头像区域 */
.avatar-wrapper {
  position: relative;
  margin-bottom: 0.75rem;
  contain: layout;
}

.discord-avatar-img {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--card-border, #e5e7eb);
  background-color: var(--activity-bg, #f3f4f6);
  will-change: transform;
  transform: translateZ(0);
}

.status-indicator {
  position: absolute;
  bottom: 0.25rem;
  right: 0.25rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  border: 3px solid var(--card-bg, #ffffff);
  contain: strict;
}

/* 文字样式 - 优化渲染 */
.discord-display-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary, #111827);
  margin: 0;
  word-break: break-all;
  text-rendering: optimizeLegibility;
}

.discord-username {
  font-size: 0.75rem;
  color: var(--text-secondary, #6b7280);
  margin: 0.25rem 0 0.5rem;
}

.discord-status-text {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  background: var(--activity-bg, #f3f4f6);
  border-radius: 9999px;
  margin-bottom: 0.5rem;
}

.discord-divider {
  width: 100%;
  height: 1px;
  background: var(--card-border, #e5e7eb);
  margin: 0.75rem 0;
}

/* 活动区域 */
.discord-activities {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  contain: layout;
}

.activity-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--activity-bg, #f9fafb);
  border: 1px solid var(--activity-border, #f3f4f6);
  border-radius: 0.75rem;
  transition: background-color 0.2s ease;
  contain: layout;
}

.activity-item:hover {
  background: var(--activity-bg-hover, #f3f4f6);
}

.activity-img {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  object-fit: cover;
  flex-shrink: 0;
  background-color: var(--activity-border, #e5e7eb);
}

.activity-icon-fallback {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background: var(--activity-border, #e5e7eb);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
  min-width: 0;
  contain: layout;
}

.activity-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary, #111827);
  margin: 0;
  text-rendering: optimizeLegibility;
}

.activity-details,
.activity-state {
  font-size: 0.75rem;
  color: var(--text-secondary, #6b7280);
  margin-top: 0.25rem;
}

/* 音乐进度条 - GPU 加速 */
.music-progress {
  margin-top: 0.5rem;
  contain: layout;
}

.progress-bar-bg {
  height: 0.25rem;
  background: var(--activity-border, #e5e7eb);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: #5865f2;
  border-radius: 9999px;
  will-change: width;
  transform: translateZ(0);
}

/* 时间显示 - 等宽数字 */
.time-display {
  font-size: 0.625rem;
  color: var(--text-muted, #9ca3af);
  margin-top: 0.25rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

.elapsed-time {
  font-size: 0.75rem;
  color: #23a55a;
  margin-top: 0.25rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.activity-empty {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.875rem;
  color: var(--text-muted, #9ca3af);
  font-style: italic;
}

/* 历史活动样式 */
.activity-item-history {
  opacity: 0.65;
  background: transparent;
  border-style: dashed;
}

.activity-history-time {
  font-size: 0.7rem;
  color: var(--text-muted, #9ca3af);
  margin-top: 0.5rem;
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

/* 客户端标签 */
.client-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.client-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: var(--activity-bg, #f3f4f6);
  color: var(--text-secondary, #6b7280);
  border-radius: 9999px;
}

/* Skeleton Loading - 优化动画性能 */
.discord-skeleton .discord-avatar {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  margin-bottom: 0.75rem;
  will-change: background-position;
}

.skeleton-line {
  height: 0.875rem;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 0.25rem;
  margin: 0.5rem 0;
  will-change: background-position;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .discord-card,
  .discord-logo,
  .activity-item,
  .progress-bar-fill {
    transition: none;
    animation: none;
  }
  
  .discord-skeleton .discord-avatar,
  .skeleton-line {
    animation: none;
    background: #e5e7eb;
  }
}

/* 错误状态 */
.discord-error {
  padding: 2rem;
  text-align: center;
  color: #ef4444;
  font-size: 0.875rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 0.75rem;
}

/* Dark mode */
.dark .discord-card {
  --card-bg: #2b2d31;
  --card-border: #404249;
  --text-primary: #f2f3f5;
  --text-secondary: #b5bac1;
  --text-muted: #949ba4;
  --activity-bg: #383a40;
  --activity-bg-hover: #404249;
  --activity-border: #404249;
}

.dark .activity-item {
  --activity-bg: #383a40;
  --activity-border: #404249;
}

.dark .discord-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.dark .discord-skeleton .discord-avatar,
.dark .skeleton-line {
  background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
  background-size: 200% 100%;
}

@media (prefers-reduced-motion: reduce) {
  .dark .discord-skeleton .discord-avatar,
  .dark .skeleton-line {
    background: #374151;
  }
}