:root {
  --bg: #0f1115;
  --sidebar-bg: #14161c;
  --card-bg: #1a1d24;
  --text: #e8e8ec;
  --muted: #8a8f9a;
  --accent: #ff5c8a;
  --border: #2a2e37;
  --card-width: 260px;
  --card-gap: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── サイドバー ───────────────────────── */

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand {
  display: block;
  text-decoration: none;
}

.brand-title {
  display: block;
  color: #ffffff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.3;
  padding: 10px 12px;
  text-align: center;
}

.type-filter {
  display: flex;
  gap: 8px;
}

.type-btn {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
}

.type-btn:hover { color: var(--text); border-color: var(--muted); }

.type-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #16090f;
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
}

.tag-btn:hover { color: var(--text); border-color: var(--muted); }

.tag-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #16090f;
}

.tag-btn.add-btn, .member-item.add-btn {
  border-style: dashed;
  opacity: 0.7;
}

.tag-btn.drag-over, .member-item.drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
}

.expand-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.expand-toggle input {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.sidebar-section-title {
  margin: 4px 0 6px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
}

.member-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.member-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
}

.member-item-label {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.member-item-count {
  flex: none;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

.member-item.active .member-item-count {
  color: var(--accent);
}

.member-group-heading {
  padding: 7px 10px 3px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  border-radius: 6px;
}

.member-group-heading:hover {
  background: rgba(255, 255, 255, 0.05);
}

.member-group-heading.active {
  background: rgba(255, 92, 138, 0.15);
  color: var(--accent);
}

.member-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.member-item.active {
  background: rgba(255, 92, 138, 0.15);
  color: var(--accent);
  font-weight: 700;
}

.member-item.is-draggable,
.member-group-heading.is-draggable,
.account-item.is-draggable {
  cursor: grab;
}

.collapse-toggle {
  display: inline-block;
  width: 14px;
  color: var(--muted);
}

.member-item .collapse-toggle {
  font-size: 17px;
}

.member-group-heading .collapse-toggle {
  font-size: 21px;
}

.member-collapse-all-btn {
  justify-content: center;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.8;
  margin-bottom: 2px;
}

.member-collapse-all-btn:hover {
  opacity: 1;
}

.member-ungrouped {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.member-group {
  margin-top: 2px;
}

.member-group-members {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 8px;
  /* 空の群組でも高さ0になって拖放できなくならないよう、最低限のドロップ領域を確保する */
  min-height: 22px;
}

.member-group-members[hidden],
.member-accounts[hidden] {
  display: none;
}

.member-block {
  display: flex;
  flex-direction: column;
}

/* 拖曳分類/群組中：每個分類/群組顯示方框，方便辨識邊界；被拖曳的那個則用上方橫條標示目前的插入位置 */
.member-list.dnd-active .member-block,
.member-list.dnd-active .member-group {
  border: 1px dashed var(--border);
  border-radius: 8px;
  margin-top: 2px;
}

.member-block.dragging,
.member-group.dragging {
  opacity: 0.5;
  border-color: var(--accent);
}

/* ドラッグ中の挿入位置を示す目印（実際にドラッグ中の要素はdrop/dragendまで動かさず、
   この目印だけをinsertBefore()で動かして挿入位置を表す） */
.drag-placeholder-line {
  height: 3px;
  margin: 2px 0;
  background: var(--accent);
  border-radius: 2px;
  flex: none;
  /* この目印自体がe.target/elementFromPointに引っかかると、dragover側のclosest()判定が
     ズレて「指し示す位置」と「実際に落ちる位置」が一致しなくなるため、常にヒットテストを素通りさせる */
  pointer-events: none;
}

.member-accounts {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 18px;
  min-height: 3px;
}

.account-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
}

.account-item-label {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.account-item-platform-icon {
  flex: none;
  display: inline-flex;
  color: inherit;
  opacity: 0.75;
}

.account-item-count {
  flex: none;
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}

.account-item.active .account-item-count {
  color: var(--accent);
}

.member-list.dnd-active .account-item {
  border: 1px dashed var(--border);
}

.account-item.dragging {
  opacity: 0.5;
  border-color: var(--accent);
}

.account-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.account-item.active {
  background: rgba(255, 92, 138, 0.15);
  color: var(--accent);
  font-weight: 700;
}

.inline-rename-input {
  width: 100%;
  min-width: 90px;
  background: #0f1115;
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  padding: 4px 6px;
  box-sizing: border-box;
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 7px 0;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  text-decoration: none;
  text-align: center;
}

.footer-btn:hover { color: var(--text); border-color: var(--muted); }
.footer-btn.active { color: var(--accent); border-color: var(--accent); }

/* ── メインコンテンツ ───────────────────── */

.content {
  flex: 1;
  padding: 20px;
  min-width: 0;
}

.content-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.toolbar-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.toolbar-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 16px;
  white-space: nowrap;
}

.toolbar-btn:hover { color: var(--text); border-color: var(--muted); }
.toolbar-btn.active { color: var(--accent); border-color: var(--accent); }

.toolbar-icon {
  padding: 9px 14px;
  font-size: 18px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.toolbar-date-input,
.toolbar-search-input {
  padding: 8px 12px;
  background: #0f1115;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 14px;
}

.toolbar-search-input {
  width: 180px;
}

@media (max-width: 640px) {
  .content-toolbar {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .toolbar-search-input {
    width: 140px;
  }
}

/* column-countは列(縦)優先で詰めるため、DOM順（時系列順）と画面上の見た目の順番が
   一致しない（新しい投稿が右下に、古い投稿が左上に出ることがある）。
   CSS Gridを「行優先(row, sparse)」で流し、各カードの実際の高さに応じて
   grid-row-endをJS側で計算することで、隙間はできるが見た目の順番はDOM順と厳密に一致する。 */
.masonry {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: 8px;
  grid-auto-flow: row;
  gap: var(--card-gap);
  align-items: start;
}

@media (max-width: 1600px) {
  .masonry { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1100px) {
  .masonry { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 800px) {
  .masonry { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.card-media {
  position: relative;
}

.card img, .card video {
  width: 100%;
  display: block;
  background: #000;
}

.card-media img,
.card-media video {
  cursor: pointer;
}

.card-count {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.card-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 46px;
  height: 32px;
  border-radius: 8px;
  background: rgba(23, 23, 23, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.card-play-icon svg {
  width: 18px;
  height: 18px;
  fill: #fff;
  margin-left: 2px;
}

.card-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-delete:hover {
  background: #dc2626;
}

.masonry.select-mode .card {
  cursor: pointer;
}

.masonry.select-mode .card-media img,
.masonry.select-mode .card-media video,
.masonry.select-mode .card-handle {
  cursor: pointer;
  pointer-events: none;
}

.masonry.select-mode .card-delete {
  display: none;
}

.card-select-mark {
  position: absolute;
  bottom: 8px;
  left: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.35);
  display: none;
}

.masonry.select-mode .card-select-mark {
  display: block;
}

.card.selected {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}

.card.selected .card-select-mark {
  background: var(--accent);
  border-color: var(--accent);
}

.card.selected .card-select-mark::after {
  content: "✓";
  display: block;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 20px;
  color: #16090f;
  font-weight: 700;
  font-size: 13px;
}

.fab-group {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 60;
}

.fab-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fab-btn[hidden] {
  display: none;
}

.fab-btn:hover {
  border-color: var(--accent);
}

.fab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #16090f;
}

.fab-btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #16090f;
}

.fab-btn-accent:hover {
  filter: brightness(1.1);
}

.compose-image-previews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.compose-image-preview {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.compose-image-preview img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.compose-image-preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
}

.tag-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
  margin-bottom: 14px;
}

.bulk-bar[hidden] {
  display: none;
}

.bulk-bar {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 50;
  max-width: calc(100vw - 32px);
  flex-wrap: wrap;
  justify-content: center;
}

.bulk-count {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.bulk-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bulk-member-select {
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 12px;
  max-width: 160px;
}

.bulk-member-apply-btn {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #16090f;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.bulk-member-apply-btn:disabled {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
  cursor: default;
}

.bulk-msg {
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
}

.bulk-clear-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
  white-space: nowrap;
}

.bulk-clear-btn:hover {
  color: var(--text);
  border-color: var(--muted);
}

.card-body {
  padding: 10px 12px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.card-time {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.card-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border);
  object-fit: cover;
}

.card-handle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-handle-platform-icon {
  flex: none;
  display: inline-flex;
  color: inherit;
  opacity: 0.75;
}

.card-handle:hover {
  color: var(--accent);
  text-decoration: underline;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.card-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--border);
  color: var(--muted);
}

.status {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 24px;
}

#sentinel {
  height: 1px;
}

/* ── モーダル（Admin登入・版面設定） ───────────────────── */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal[hidden] {
  display: none;
}

.modal-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  width: 320px;
  max-width: 90vw;
}

.modal-box h2 {
  margin: 0 0 14px;
  font-size: 15px;
}

.modal-box-wide {
  width: 420px;
}

.help-list {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.help-list li {
  margin-bottom: 8px;
}

.clip-paste-zone {
  padding: 28px 12px;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  cursor: text;
}

.clip-paste-zone:focus {
  outline: none;
  border-color: var(--accent);
  color: var(--text);
}

.clip-paste-zone.drag-over {
  border-color: var(--accent);
  color: var(--text);
}

.modal-box label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 12px 0 6px;
}

.modal-box label:first-of-type { margin-top: 0; }

.modal-box input[type="password"],
.modal-box input[type="text"] {
  width: 100%;
  padding: 8px 10px;
  background: #0f1115;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
}

.modal-box input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.modal-msg {
  font-size: 12px;
  color: var(--muted);
  min-height: 16px;
  margin: 8px 0 0;
}

.modal-msg.err { color: #f87171; }
.modal-msg.ok { color: #4ade80; }

.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.modal-actions button {
  flex: 1;
  padding: 8px 0;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}

.modal-actions button:not(.btn-secondary) {
  background: var(--accent);
  color: #16090f;
}

.modal-actions .btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

.modal-actions .btn-danger {
  background: transparent;
  border: 1px solid #f87171;
  color: #f87171;
}

.modal-actions .btn-danger:hover {
  background: rgba(248, 113, 113, 0.12);
}

/* ── 右鍵選單 ───────────────────── */

.context-menu {
  position: fixed;
  z-index: 250;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.context-menu[hidden] {
  display: none;
}

.context-menu button {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 9px 16px;
  text-align: left;
  cursor: pointer;
  font-size: 13px;
}

.context-menu button:hover {
  background: rgba(255, 255, 255, 0.06);
}

.context-menu .ctx-danger {
  color: #ff6b6b;
}

.context-menu .ctx-danger:hover {
  background: rgba(255, 107, 107, 0.12);
}

/* ── ライトボックス／貼文詳細 ───────────────────── */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-body {
  display: flex;
  gap: 20px;
  max-width: 95vw;
  max-height: 92vh;
}

.lightbox-media-area {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-stage {
  max-width: 100%;
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-stage img,
.lightbox-stage video {
  max-width: 100%;
  max-height: 88vh;
  object-fit: contain;
}

.lightbox-youtube-embed {
  width: min(90vw, 960px);
  height: min(50.6vw, 540px);
  max-height: 88vh;
  border: none;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  font-size: 16px;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  z-index: 10;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.18);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  font-size: 24px;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.18);
}

.lightbox-prev { left: 8px; }
.lightbox-next { right: 8px; }

.lightbox-panel {
  width: 300px;
  flex-shrink: 0;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.lightbox-meta {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.lightbox-caption {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  white-space: pre-wrap;
}

.lightbox-link {
  display: inline-block;
  margin: 8px 0;
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
}

.lightbox-count {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}

.lightbox-admin {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.lightbox-admin h3 {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 8px;
}

.lightbox-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.lightbox-member-select {
  width: 100%;
  margin-bottom: 14px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 13px;
}

.tag-pill {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  padding: 7px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
}

.tag-pill:hover {
  color: var(--text);
  border-color: var(--muted);
}

.tag-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #16090f;
}

/* ── モバイル：サイドバーを上部バーに折りたたむ ── */

@media (max-width: 640px) {
  .masonry { grid-template-columns: 1fr; }
  .app-shell { flex-direction: column; }
  .bulk-bar {
    left: 12px;
    right: 12px;
    bottom: 12px;
    transform: none;
    width: auto;
    max-width: none;
    border-radius: 14px;
    justify-content: flex-start;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
  .member-list {
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
  }
  .sidebar-footer {
    margin-top: 0;
    flex-direction: row;
    width: 100%;
  }
  .lightbox-body {
    flex-direction: column;
    max-height: 95vh;
    overflow-y: auto;
  }
  .lightbox-panel {
    width: 100%;
  }
}