/* MyTube 公開ページ（トップ・動画ページ・ログイン）のデザイン
   YouTube を手本に、白黒中心＋赤を少し。色は theme.css の --ui-* を使う */

body {
  background: var(--ui-bg);
  color: var(--ui-text);
}

/* ===== トップページ ===== */
.home {
  width: 100%;
  padding: 0 24px 24px;
}

/* 並べ替えのチップ（ヘッダーの下に固定） */
.chips-bar {
  position: sticky;
  top: var(--header-height);
  z-index: 10;
  display: flex;
  gap: 12px;
  padding: 12px 0;
  margin-bottom: 12px;
  background: var(--ui-bg);
  overflow-x: auto;
  scrollbar-width: none;
}
.chips-bar::-webkit-scrollbar { display: none; }
.search-summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 500;
}
.search-summary a {
  font-size: 14px;
  font-weight: 400;
  color: var(--ui-text-2);
  text-decoration: none;
}
.search-summary a:hover { color: var(--ui-text); }

/* 動画の一覧（画面の幅に合わせて列数を増やす） */
.video-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr));
  gap: 40px 16px;
}
@media (min-width: 640px)  { .video-grid { --cols: 2; } }
@media (min-width: 1024px) { .video-grid { --cols: 3; } }
@media (min-width: 1280px) { .video-grid { --cols: 4; } }
@media (min-width: 1536px) { .video-grid { --cols: 5; } }
@media (min-width: 1920px) { .video-grid { --cols: 6; } }
@media (min-width: 2560px) { .video-grid { --cols: 8; } }
@media (min-width: 3200px) { .video-grid { --cols: 10; } }

/* サムネイル（一覧・次の動画で共通） */
.thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  background: var(--ui-surface);
}
.duration-badge {
  position: absolute;
  right: 6px;
  bottom: 6px;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  letter-spacing: 0.02em;
}
/* 途中まで見た動画の赤いバー（どこまで見たか） */
.watch-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: rgba(170, 170, 170, 0.6);
}
.watch-progress > span {
  display: block;
  height: 100%;
  background: var(--ui-accent);
}
.thumb:has(.watch-progress) .duration-badge { bottom: 10px; }

/* 一覧の動画 */
.video-card { min-width: 0; }
.video-card__body {
  padding: 12px 24px 0 0;
}
.video-card__title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  color: var(--ui-text);
  font-size: 16px;
  font-weight: 500;
  line-height: 22px;
  text-decoration: none;
  word-break: break-word;
}
.video-card__meta,
.related-item__meta {
  display: flex;
  flex-wrap: wrap;
  margin-top: 4px;
  color: var(--ui-text-2);
  font-size: 14px;
  line-height: 20px;
}
.video-card__likes { display: inline-flex; align-items: center; }
.video-card__likes svg { width: 14px; height: 14px; margin-right: 3px; flex-shrink: 0; }
.video-card__meta > span + span::before,
.related-item__meta > span + span::before,
.watch-desc__meta > span + span::before {
  content: "•";
  margin: 0 4px;
}

.empty-state {
  padding: 96px 16px;
  text-align: center;
  color: var(--ui-text-2);
}
.empty-state svg {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
}
.empty-state p { font-size: 16px; }

/* スマホ: サムネイルを画面の端から端まで */
@media (max-width: 639px) {
  .home { padding: 0 0 16px; }
  .chips-bar { padding: 8px 12px; margin-bottom: 4px; gap: 8px; }
  .search-summary { margin: 4px 12px 12px; }
  .video-grid { --cols: 1; gap: 40px; } /* カードどうしは広く、サムネイルとタイトルは近くして、どの動画のタイトルかわかるように */
  .video-card .thumb { border-radius: 0; }
  .video-card__body { padding: 8px 12px 0; }
}

/* ===== 動画ページ ===== */
.watch {
  display: flex;
  justify-content: center;
  gap: 24px;
  width: 100%; /* body が縦並びの flex のため、指定しないと中身の幅まで縮む */
  max-width: 2400px;
  margin: 0 auto;
  padding: 24px;
}
.watch__primary {
  flex: 1;
  min-width: 0;
  /* 再生画面が画面の高さに収まる幅まで（狭すぎるときは 640px まで） */
  max-width: max(640px, calc((100vh - var(--header-height) - 160px) * 16 / 9));
}
.watch__secondary {
  width: 402px;
  flex-shrink: 0;
}
@media (min-width: 2200px) {
  .watch__secondary { width: 480px; }
}

.watch-player {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  background: #000;
}
.watch-player video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.watch-notice {
  margin: 12px 0 0;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--ui-surface);
  color: var(--ui-text-2);
  font-size: 13px;
}
.watch-badge {
  display: inline-block;
  margin: 12px 0 0;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--ui-surface);
  color: var(--ui-text-2);
  font-size: 12px;
  font-weight: 500;
}
.watch-title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  word-break: break-word;
}

.watch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}
.watch-channel {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.watch-channel__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.watch-channel__name {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.watch-actions {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
#like-button.liked svg { fill: currentColor; }
#like-button.liked { color: var(--ui-accent); }
#like-button.like-pop svg { animation: like-pop 0.45s ease; }
@keyframes like-pop {
  0% { transform: scale(1); }
  30% { transform: scale(1.5); }
  60% { transform: scale(0.9); }
  100% { transform: scale(1); }
}
#like-count { display: inline-block; }
#like-count.like-count-bump { animation: like-count-bump 0.4s ease; }
@keyframes like-count-bump {
  0% { transform: translateY(0); }
  40% { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}
/* いいねで舞い上がるハート（JS が body に追加する） */
.floating-heart {
  position: fixed;
  z-index: 1000;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  color: var(--ui-accent);
  pointer-events: none;
  opacity: 0;
  animation: floating-heart 1.1s ease-out forwards;
}
.floating-heart svg { width: 100%; height: 100%; display: block; }
@keyframes floating-heart {
  0% { opacity: 0; transform: translate(0, 0) scale(0.3); }
  15% { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(var(--s)); }
}
.watch-help { width: 36px; height: 36px; }
.watch-help svg { width: 20px; height: 20px; color: var(--ui-text-2); }
.watch-popover {
  padding: 12px;
  border-radius: 8px;
  background: rgba(28, 28, 28, 0.95);
  color: #fff;
  font-size: 13px;
  line-height: 1.6;
}

.watch-copy {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 4px 4px 4px 12px;
  border-radius: 12px;
  background: var(--ui-surface);
  font-size: 13px;
}
.watch-copy.hidden { display: none; }
.watch-copy__label { font-weight: 600; flex-shrink: 0; }
.watch-copy__url { flex: 1; min-width: 0; word-break: break-all; color: var(--ui-text-2); }

/* 説明（灰色の箱。長いときは3行で折りたたむ） */
.watch-desc {
  margin-top: 12px;
  padding: 12px;
  border-radius: 12px;
  background: var(--ui-surface);
  font-size: 14px;
  line-height: 20px;
}
.watch-desc.is-collapsible:not(.is-open) { cursor: pointer; }
.watch-desc.is-collapsible:not(.is-open):hover { background: var(--ui-surface-hover); }
.watch-desc__meta {
  display: flex;
  flex-wrap: wrap;
  font-weight: 600;
}
.watch-desc__text {
  margin-top: 4px;
  white-space: pre-wrap;
  word-break: break-word;
}
.watch-desc.is-collapsible:not(.is-open) .watch-desc__text {
  max-height: 60px;
  overflow: hidden;
}
.watch-desc__toggle {
  margin-top: 4px;
  padding: 0;
  border: none;
  background: none;
  color: var(--ui-text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.watch-desc__toggle.hidden { display: none; }

/* 次の動画 */
.upnext-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.upnext-head__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}
.upnext-switch {
  color: var(--ui-text-2);
  font-size: 13px;
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.related-item {
  display: flex;
  gap: 8px;
  color: inherit;
  text-decoration: none;
  border-radius: 8px;
}
.related-item__thumb {
  width: 168px;
  flex-shrink: 0;
  border-radius: 8px;
}
.related-item__body { min-width: 0; padding-right: 8px; }
.related-item__title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  word-break: break-word;
}
.related-item__meta { font-size: 12px; line-height: 18px; }

/* 続きから再生・次の動画の案内（再生画面の上に重ねる） */
.player-toast {
  position: absolute;
  left: 12px;
  bottom: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(28, 28, 28, 0.9);
  color: #fff;
  font-size: 13px;
  z-index: 2;
}
.player-toast button {
  padding: 0;
  border: none;
  background: none;
  color: #3ea6ff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
/* 音を消して自動再生したときの「音を出す」 */
.unmute-btn {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px 0 10px;
  border: none;
  border-radius: 18px;
  background: rgba(28, 28, 28, 0.9);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.unmute-btn:hover { background: rgba(0, 0, 0, 0.95); }
.unmute-btn svg { width: 20px; height: 20px; }
.upnext-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  text-align: center;
}
.upnext-overlay__label { font-size: 14px; color: #ccc; }
.upnext-overlay__title {
  max-width: 480px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.upnext-overlay__count { font-size: 14px; color: #ccc; }
.upnext-overlay__buttons { display: flex; gap: 12px; }
.upnext-overlay__buttons button {
  height: 36px;
  padding: 0 20px;
  border: none;
  border-radius: 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.upnext-overlay__cancel { background: rgba(255, 255, 255, 0.15); color: #fff; }
.upnext-overlay__play { background: #fff; color: #0f0f0f; }

/* 狭い画面: 次の動画は説明の下に */
@media (max-width: 1015px) {
  .watch { flex-direction: column; gap: 24px; }
  .watch__primary { max-width: none; }
  .watch__secondary { width: auto; }
}
/* スマホ: 再生画面を画面の端から端まで */
@media (max-width: 639px) {
  .watch { padding: 0 0 16px; gap: 16px; }
  .watch-player { border-radius: 0; }
  .watch-info { padding: 0 12px; }
  .watch-title { font-size: 18px; line-height: 26px; }
  .watch-actions { width: 100%; overflow-x: auto; flex-wrap: nowrap; }
  .watch__secondary { padding: 0 12px; }
  .related-item__thumb { width: 160px; }
  .player-toast { bottom: 48px; left: 8px; right: 8px; }
}

/* ===== ログイン画面 ===== */
.login-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  padding: 40px 32px;
  border: 1px solid var(--ui-border);
  border-radius: 16px;
  text-align: center;
}
.login-card__logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  object-fit: contain;
  border-radius: 14px;
}
.login-card__title {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: 700;
}
.login-card__lead {
  margin: 0 0 24px;
  color: var(--ui-text-2);
  font-size: 14px;
}
.login-field {
  position: relative;
  text-align: left;
}
.login-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
}
.login-input {
  width: 100%;
  height: 48px;
  padding: 0 48px 0 16px;
  border: 1px solid var(--ui-input-border);
  border-radius: 8px;
  background: var(--ui-input-bg);
  color: var(--ui-text);
  font-size: 16px;
  outline: none;
}
.login-input:focus { border-color: #1c62b9; box-shadow: 0 0 0 1px #1c62b9; }
.login-input::placeholder { color: var(--ui-text-2); }
.login-toggle {
  position: absolute;
  right: 4px;
  bottom: 4px;
}
.login-submit {
  width: 100%;
  height: 44px;
  margin-top: 20px;
  border: none;
  border-radius: 22px;
  background: var(--ui-chip-on-bg);
  color: var(--ui-chip-on-text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.login-submit:hover { opacity: 0.88; }
.login-message {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  text-align: left;
}
.login-message--error { background: rgba(255, 0, 51, 0.1); color: #d6001c; }
.login-message--success { background: rgba(0, 160, 80, 0.12); color: #0a7d3e; }
.login-message--warning { background: rgba(255, 170, 0, 0.15); color: #8a5a00; }
[data-theme="dark"] .login-message--error { color: #ff6b81; }
[data-theme="dark"] .login-message--success { color: #4cd38a; }
[data-theme="dark"] .login-message--warning { color: #ffc94d; }
.login-recovery {
  margin-top: 24px;
  text-align: left;
  font-size: 14px;
}
.login-recovery summary {
  cursor: pointer;
  color: var(--ui-text-2);
}
.login-recovery form { margin-top: 12px; }
.upnext-head__order {
  margin-left: 4px;
  color: var(--ui-text-2);
  font-size: 13px;
  font-weight: 400;
}
.home-notice {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ui-surface);
  color: var(--ui-text-2);
  font-size: 14px;
}
@media (max-width: 639px) {
  .home-notice { margin: 8px 12px 0; }
}