myYouTube/frontend/src/App.css

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
  text-align: left;
}

.error {
  color: #d33;
}

.connect-screen {
  text-align: center;
  padding-top: 80px;
}

.connect-screen button {
  font-size: 16px;
  padding: 10px 24px;
  cursor: pointer;
}

.channels-screen header,
.feed-screen header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.channels-screen .actions,
.feed-screen .actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.channels-screen .actions a,
.feed-screen .actions a {
  align-self: center;
}

.channels-screen input[type='text'] {
  width: 100%;
  padding: 8px;
  margin-bottom: 16px;
  box-sizing: border-box;
}

.layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.category-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
  flex-shrink: 0;
}

.category-nav button {
  text-align: left;
  padding: 6px 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 6px;
}

.category-nav button.active {
  background: var(--accent-bg, #eee);
  font-weight: 600;
}

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

.channel-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.channel-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 8px;
}

.channel-card img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

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

.channel-title {
  font-weight: 500;
  color: inherit;
  text-decoration: none;
  display: block;
}

.channel-title:hover {
  text-decoration: underline;
}

.badge {
  font-size: 12px;
  color: #999;
}

.channel-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
  align-items: center;
}

.chip {
  font-size: 12px;
  background: #eee;
  border-radius: 12px;
  padding: 2px 8px;
}

.chip-edit {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 12px;
  border: 1px dashed #aaa;
  background: transparent;
  cursor: pointer;
}

.category-popover-wrapper {
  position: relative;
  display: inline-block;
}

.category-popover {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 10;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  min-width: 160px;
  max-height: 240px;
  overflow-y: auto;
}

.category-popover-empty {
  color: #999;
  white-space: nowrap;
}

.category-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
}

.categories-screen {
  max-width: 600px;
}

.back-link {
  display: inline-block;
  margin-bottom: 8px;
}

.category-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.category-form input {
  flex: 1;
  padding: 8px;
}

.category-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 8px 12px;
}

.reorder-buttons {
  display: flex;
  flex-direction: column;
}

.reorder-buttons button {
  border: none;
  background: transparent;
  cursor: pointer;
  line-height: 1;
}

.category-name {
  flex: 1;
  font-weight: 500;
}

.category-count {
  font-size: 12px;
  color: #999;
}

.category-edit-form {
  flex: 1;
  display: flex;
  gap: 8px;
}

.video-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.video-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}

.video-thumbnail {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: #eee;
}

.video-thumbnail img,
.video-thumbnail-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-thumbnail-placeholder {
  background: #ddd;
}

.duration-badge {
  position: absolute;
  right: 6px;
  bottom: 6px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 12px;
  padding: 1px 5px;
  border-radius: 3px;
}

.video-info {
  padding: 8px 10px;
}

.video-title {
  font-weight: 500;
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.video-title:hover {
  text-decoration: underline;
}

.video-meta {
  font-size: 12px;
  color: #999;
  margin-top: 4px;
}

.video-actions {
  margin-top: 8px;
}

.button-link {
  display: inline-block;
  font-size: 13px;
  padding: 4px 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
}

.load-more {
  display: block;
  margin: 16px auto 0;
  padding: 8px 20px;
  cursor: pointer;
}

.video-page {
  max-width: 900px;
}

.player-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.player-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-page-title {
  font-size: 20px;
  margin: 0 0 8px;
}

.video-page-meta {
  color: #999;
  font-size: 14px;
  margin-bottom: 4px;
}

.video-page-meta a {
  color: inherit;
}

.video-page-source {
  font-size: 13px;
  color: #999;
  margin-bottom: 8px;
}

.video-page-categories {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.video-page-description {
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.5;
  border-top: 1px solid #ddd;
  padding-top: 16px;
}