/* =====================================================================
   あめおじ.com — redesign (検証用)
   方針: 紙のような地色 + 墨色の文字 + 罫線。色は「意味のある所」だけに使う。
   - ブランド色: 選択中・リンク・フォーカス
   - イベント色: YouTube の支給色 / 金額 tier を左罫と金額バッジにだけ使う
   ===================================================================== */
:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #f1eee7;
  --surface-3: #e9e5dc;
  --ink: #111111;
  --ink-2: #47433c;
  --ink-3: #5e594f;
  --rule: #e4e0d7;
  --rule-strong: #cdc7bb;
  --brand: #b52d4f;
  --brand-ink: #ffffff;
  --brand-soft: #f8e6ea;
  --live: #d4321f;
  --member: #23824f;
  --warn-bg: #fff4dc;
  --warn-ink: #7a5300;
  --overlay: rgba(31, 29, 26, 0.42);
  --shadow: 0 1px 2px rgba(31, 29, 26, 0.06), 0 8px 24px rgba(31, 29, 26, 0.08);
  --topbar-h: 56px;
  --sidebar-w: 300px;
  --radius: 8px;
  --radius-sm: 5px;
  --stream-row-estimate-h: 76px;
  --freechat-row-h: 72px;
  --freechat-divider-h: 36px;
  --font: 'Noto Sans JP', system-ui, -apple-system, 'Hiragino Sans', sans-serif;
}
/* ダークが既定。ライトは data-theme="light" のときだけ。 */
:root:not([data-theme="light"]) {
  color-scheme: dark;
  --bg: #161513;
  --surface: #1e1d1a;
  --surface-2: #262420;
  --surface-3: #302d28;
  --ink: #ffffff;
  --ink-2: #d2cdc3;
  --ink-3: #a8a296;
  --rule: #2f2c28;
  --rule-strong: #45413a;
  --brand: #f07b95;
  --brand-ink: #1b1214;
  --brand-soft: #3a2228;
  --live: #ff6a55;
  --member: #4cbf80;
  --warn-bg: #3a2f17;
  --warn-ink: #f3cf7c;
  --overlay: rgba(0, 0, 0, 0.6);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px rgba(0, 0, 0, 0.4);
}
/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt" 1;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.hidden { display: none !important; }
.icon { width: 16px; height: 16px; display: inline-block; vertical-align: -3px; flex-shrink: 0; }
.meta { color: var(--ink-3); font-size: 12px; }
.inline-emoji { width: 22px; height: 22px; vertical-align: -5px; margin: 0 1px; }
.member-badge { width: 16px; height: 16px; vertical-align: -3px; }
.member-badge--inline { margin-left: 4px; }
.num, .simple-row__time, .simple-row__amount, .kind-count, .stream-times, .stream-item__dur {
  font-variant-numeric: tabular-nums;
}
kbd, .kbd-hint {
  font: 500 10px/16px var(--font);
  padding: 0 4px;
  border: 1px solid var(--rule-strong);
  border-bottom-width: 2px;
  border-radius: 3px;
  color: var(--ink-3);
}
/* ---------- Event color tokens ---------- */
/* YouTube のスパチャ表示に合わせ、濃い「帯」(--ev-head) と本文 (--ev-body) の2色で塗る。
   YouTube が色を支給したイベントはその色を、無い場合は金額 tier の色を使う。 */
.tier-1, .free-item:has(.fc-kind.tier-1) { --ev-head: #1565c0; --ev-body: #1e88e5; }
.tier-2, .free-item:has(.fc-kind.tier-2) { --ev-head: #00b8d4; --ev-body: #00e5ff; }
.tier-3, .free-item:has(.fc-kind.tier-3) { --ev-head: #00bfa5; --ev-body: #1de9b6; }
.tier-4, .free-item:has(.fc-kind.tier-4) { --ev-head: #ffb300; --ev-body: #ffca28; }
.tier-5, .free-item:has(.fc-kind.tier-5) { --ev-head: #e65100; --ev-body: #f57c00; }
.tier-6, .free-item:has(.fc-kind.tier-6) { --ev-head: #c2185b; --ev-body: #e91e63; }
.tier-7, .free-item:has(.fc-kind.tier-7) { --ev-head: #d00000; --ev-body: #e62117; }
.membership, .membership_gift,
.free-item:has(.fc-kind.membership), .free-item:has(.fc-kind.membership_gift) {
  --ev-head: #0a8043;
}
.tier-1, .tier-2, .tier-3, .tier-4, .tier-5, .tier-6, .tier-7, .membership, .membership_gift, .free-item:has(.fc-kind) {
  --ev: var(--ev-head);
}
.youtube-paid-colors, .free-item.youtube-paid-colors {
  --ev-head: var(--yt-header-background, var(--yt-body-background));
  --ev-body: var(--yt-body-background);
  --ev-head-soft: var(--yt-timestamp-opaque, var(--paid-header-contrast-ink, #fff));
  --ev: var(--ev-head);
}
/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--topbar-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.brand-wrap { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.brand {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--brand);
}
.brand-sub { font-size: 11px; color: var(--ink-3); white-space: nowrap; }
.tabs { display: flex; align-items: center; }
.tabs-main { justify-self: center; height: 100%; gap: 4px; }
.tab {
  position: relative;
  height: 100%;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
}
.tab .icon { display: none; }
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--ink); font-weight: 700; }
.tab.is-active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--brand);
}
.tabs-side { gap: 14px; justify-self: end; }
.side-links { display: inline-flex; gap: 12px; }
.legal-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.legal-link:hover { border-color: var(--ink-3); }
.legal-link:disabled { color: var(--ink-3); background: transparent; cursor: default; }
.legal-link--quiet { padding: 0; border: 0; background: none; color: var(--ink-2); font-size: 12px; }
.legal-link--quiet:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.sync-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-3);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.sync-status__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--member); }
.sync-status.is-stale { color: var(--warn-ink); }
.sync-status.is-stale .sync-status__dot { background: #d99a00; }
/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  height: calc(100vh - var(--topbar-h));
  height: calc(100dvh - var(--topbar-h));
  overflow: hidden;
}
.left-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--rule);
  padding: 16px 0 0;
}
.main-panel { position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
/* ---------- Stream list ---------- */
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 16px 10px;
}
.panel-head h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.panel-count { font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.panel-order {
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 2px 6px;
  font-size: 12px;
  color: var(--ink-2);
}
.stream-search { display: block; padding: 0 16px 12px; }
.stream-search__label { display: none; }
.stream-search__row { display: flex; gap: 6px; }
.stream-search__input {
  flex: 1;
  min-width: 0;
  padding: 7px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13px;
}
.stream-search__input::placeholder { color: var(--ink-3); }
.stream-search__input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.stream-search__clear {
  padding: 0 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 12px;
}
.stream-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  overflow-anchor: none;
  border-top: 1px solid var(--rule);
}
.stream-item {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule);
  border-left: 3px solid transparent;
  cursor: pointer;
}
.stream-item:hover { background: var(--surface-2); }
.stream-item.active { background: var(--surface); border-left-color: var(--brand); }
.stream-item__thumb { position: relative; }
.stream-item .thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--surface-3);
}
.stream-item__live, .stream-item__dur {
  position: absolute;
  bottom: 4px;
  padding: 0 4px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  color: #fff;
}
.stream-item__live { left: 4px; letter-spacing: 0.04em; }
.stream-item__dur { right: 4px; background: rgba(0, 0, 0, 0.75); }
.stream-item__body { min-width: 0; }
.stream-item strong {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
  margin-bottom: 4px;
}
.stream-item.active strong { font-weight: 700; }
.stream-item .sub { font-size: 11px; color: var(--ink-3); line-height: 1.5; }
.stream-times__k { margin-right: 4px; color: var(--ink-2); }
.stream-times__live { color: var(--live); font-weight: 700; }
.live-dot { font-size: 11px; color: var(--live); }
.stream-item-empty {
  display: block;
  padding: 24px 16px;
  color: var(--ink-3);
  text-align: center;
  cursor: default;
}
.stream-search-status { padding: 8px 16px; font-size: 12px; color: var(--live); }
.stream-search-more {
  display: block;
  width: calc(100% - 32px);
  margin: 12px 16px 16px;
  padding: 8px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13px;
}
.stream-search-more:disabled { color: var(--ink-3); cursor: wait; }
/* ---------- Main header / toolbar ---------- */
.main-toolbar { flex-shrink: 0; padding: 18px 28px 0; border-bottom: 1px solid var(--rule); }
.mode-banner, .stream-notice {
  margin: 0 0 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--warn-bg);
  color: var(--warn-ink);
  font-size: 13px;
}
.stats { display: none !important; }
.toolbar-context { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.content-title {
  display: flex;
  gap: 2px;
  min-width: 0;
  flex: 1 1 320px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}
.content-title__main { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.content-title__meta {
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.content-title-link, .stream-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink-2);
  text-decoration: none;
  flex-shrink: 0;
  vertical-align: middle;
}
.content-title-link:hover, .stream-link-btn:hover { color: var(--ink); border-color: var(--ink-3); }
.content-title { flex-direction: row; flex-wrap: wrap; align-items: center; column-gap: 8px; }
.content-title__meta { flex-basis: 100%; }
.content-title__main + .content-title__meta { margin-top: -2px; }
.toolbar-context .stream-link-btn { margin-top: 2px; }
.view-controls { display: flex; gap: 8px; margin-left: auto; }
.ctrl { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.ctrl select, .ctrl input[type="date"], .ctrl button {
  padding: 5px 8px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13px;
  color: var(--ink);
}
.mobile-toolbar-toggle {
  padding: 5px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 12px;
}
.toolbar-filter-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-bottom: 12px;
}
.scope-summary {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  color: var(--ink-2);
  font-size: 12px;
}
.scope-summary:empty { display: none; }
.scope-summary strong { font-size: 16px; color: var(--ink); font-variant-numeric: tabular-nums; }
.kind-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface);
}
.kind {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 0;
  border-right: 1px solid var(--rule);
  background: none;
  color: var(--ink-3);
  font-size: 13px;
}
.kind:last-child { border-right: 0; }
.kind .icon { width: 14px; height: 14px; }
.kind.on { color: var(--ink); background: var(--surface); }
.kind:not(.on) { background: var(--surface-2); }
.kind:not(.on) .kind-label { text-decoration: line-through; }
.kind-count { color: var(--ink-3); font-size: 12px; }
.kind.on .kind-count { color: var(--ink-2); }
.kind:hover { background: var(--surface-2); }
.filter-actions { display: inline-flex; align-items: center; gap: 12px; margin-left: auto; }
.filter-actions button, .seg-toggle button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-size: 12px;
}
.filter-actions button:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.seg-toggle { display: inline-flex; gap: 10px; }
.density-toggle[aria-pressed="true"] { color: var(--brand); font-weight: 700; }
/* ---------- Content area ---------- */
.cards {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  padding: 8px 28px 24px;
}
.cards > * { flex: 0 0 auto; }
.cards.stream-mode { padding-bottom: 160px; }
.cards.day-mode { --day-row-estimate-h: 76px; padding-bottom: 200px; }
.stream-virtual, .day-virtual, .day-vitem { width: 100%; }
.stream-vitem { padding-top: 0; }
.stream-vspacer { width: 1px; pointer-events: none; }
.cards > p.meta { padding: 40px 0; text-align: center; }
.day-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 40px;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 700;
}
.day-divider::after { content: ''; flex: 1; height: 1px; background: var(--rule); }
/* (event rows: see "Classic event rows" at the end) */
.bookmark-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--ink-3);
  opacity: 0;
  transition: opacity 0.12s;
}
.bookmark-button svg { width: 16px; height: 16px; fill: none; }
.bookmark-button[aria-pressed="true"] { color: var(--brand); opacity: 1; }
.bookmark-button[aria-pressed="true"] svg { fill: currentColor; }
.simple-row:hover .bookmark-button, .card:hover .bookmark-button, .bookmark-button:focus-visible {
  opacity: 1;
}
.bookmark-button:hover { background: var(--surface-3); color: var(--ink); }
@media (hover: none) {
  .bookmark-button { opacity: 1; }
}
.bookmark-arrival { animation: bookmark-arrival 2s ease-out; }
@keyframes bookmark-arrival { from { box-shadow: inset 0 0 0 2px var(--brand); } to { box-shadow: inset 0 0 0 2px transparent; } }
/* ---------- Day view (no date selected) ---------- */
.day-group { margin-bottom: 28px; }
.day-heading-wrap { padding: 14px 0 10px; }
.day-heading { margin: 0 0 6px; font-size: 16px; font-weight: 700; }
.day-heading .meta { font-weight: 400; margin-left: 6px; }
.day-stream-strip { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.day-stream-strip__meta { font-size: 12px; color: var(--ink-3); }
.day-stream-chip-list { display: flex; flex-wrap: wrap; gap: 6px; }
.day-stream-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 420px;
  padding: 3px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 12px;
  color: var(--ink-2);
}
.day-stream-chip:hover { border-color: var(--ink-3); color: var(--ink); }
.day-stream-chip__label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.day-stream-chip__label .icon { display: none; }
.day-stream-chip__count { color: var(--ink-3); flex-shrink: 0; }
/* ---------- Free chat ---------- */
.cards.freechat-mode { padding-top: 0; }
.freechat-direction-hint { display: none; }
.free-chat { position: relative; }
.free-chat-viewport { position: relative; width: 100%; }
.free-chat-row { position: absolute; left: 0; right: 0; }
.free-chat-row-divider { display: flex; align-items: center; }
.free-chat-divider { height: var(--freechat-divider-h); width: 100%; }
.free-item {
  position: relative;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.free-item:has(.fc-kind.membership), .free-item:has(.fc-kind.membership_gift) { --ev: var(--member); }
.free-item:has(.fc-kind.tier-1) { --ev: #1e88e5; }
.free-item:has(.fc-kind.tier-2) { --ev: #00e5ff; }
.free-item:has(.fc-kind.tier-3) { --ev: #1de9b6; }
.free-item:has(.fc-kind.tier-4) { --ev: #ffca28; }
.free-item:has(.fc-kind.tier-5) { --ev: #f57c00; }
.free-item:has(.fc-kind.tier-6) { --ev: #e91e63; }
.free-item:has(.fc-kind.tier-7) { --ev: #e62117; }
.free-item.youtube-paid-colors { --ev: var(--yt-header-background, var(--yt-body-background)); }
.free-item .who { font-size: 13px; line-height: 1.5; }
.fc-author-icon {
  position: absolute;
  left: 14px;
  top: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface-3);
}
.who-name { font-weight: 700; color: var(--ink); }
.who-name.is-target-author {
  padding: 0 6px;
  border-radius: 3px;
  background: var(--brand);
  color: var(--brand-ink);
}
.free-item .who .meta { font-size: 12px; font-variant-numeric: tabular-nums; }
.fc-kind {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 7px;
  border-radius: var(--radius-sm);
  background: var(--ev, var(--surface-3));
  color: var(--ev-ink, var(--ink));
  font-size: 12px;
  font-weight: 700;
}
.fc-kind .icon { width: 12px; height: 12px; }
.free-item.youtube-paid-colors .fc-kind { --ev-ink: var(--paid-header-contrast-ink, #fff); }
.fc-sticker { width: 72px; height: 72px; object-fit: contain; }
.freechat-end-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px 0;
  color: var(--ink-3);
  font-size: 12px;
}
.freechat-end-marker .icon { width: 12px; height: 12px; }
/* ---------- Channel history (にぃなちゃんの発言) ---------- */
.card { position: relative; }
.channel-history-card { padding: 16px 0; border-bottom: 1px solid var(--rule); }
.channel-history-layout { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; }
.card-avatar-lg {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: var(--surface-3);
}
.channel-history-avatar-link { display: block; border-radius: 50%; }
.channel-history-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 4px;
}
.channel-history-card .author strong { font-size: 14px; }
.channel-history-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 12px;
  color: var(--ink-3);
  min-width: 0;
}
.channel-history-meta .icon { width: 12px; height: 12px; }
.channel-history-stream { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 520px; }
.channel-history-card .content { font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.channel-history-card .content a { color: var(--brand); }
.sticker { width: 80px; height: 80px; object-fit: contain; }
/* ---------- Floating buttons ---------- */
.freechat-new-arrival, .to-top {
  position: absolute;
  z-index: 12;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow);
}
.freechat-new-arrival {
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.to-top { right: 24px; bottom: 20px; }
.freechat-new-arrival .icon, .to-top .icon { width: 14px; height: 14px; }
/* ---------- Popup (detail reader) ---------- */
.popup-overlay {
  --popup-reading-half: min(280px, calc(50dvh - 100px));
  position: fixed;
  inset: 0;
  z-index: 200;
}
.popup-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-height: calc(var(--popup-reading-half) * 2);
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.popup-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--rule);
}
.popup-close, .popup-first {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 12px;
}
.popup-close { padding: 5px; }
.popup-scope { font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; }
.popup-scope .icon { display: none; }
.popup-body .sc-header { display: flex; justify-content: space-between; }
.popup-body .author-line { display: flex; align-items: center; flex-wrap: wrap; min-width: 0; }
.author-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: var(--surface-3);
}
.popup-author-link { text-decoration: none; color: inherit; border-radius: 50%; }
.popup-author-link-name { border-radius: var(--radius-sm); }
.popup-author-link-name:hover .author strong { text-decoration: underline; text-underline-offset: 3px; }
.popup-body .author { display: inline-flex; align-items: center; }
.popup-channel-link { display: inline-flex; }
.popup-channel-link .icon { width: 18px; height: 18px; }
.popup-event-time { font-variant-numeric: tabular-nums; }
.popup-body .amount {
  border-radius: var(--radius-sm);
  font-weight: 700;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.popup-body .content { overflow-wrap: anywhere; }
.popup-body .sticker { display: block; margin-top: 8px; width: 96px; height: 96px; }
.popup-nav {
  position: absolute;
  top: calc(50% + var(--popup-reading-half) + 14px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.popup-nav button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13px;
}
.popup-nav button:hover:not(:disabled) { background: var(--surface-2); }
.popup-nav button:disabled { color: var(--ink-3); border-color: var(--rule); cursor: default; }
#popupPos {
  min-width: 88px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
/* Event navigator (wide screens only) */
.event-navigator {
  position: absolute;
  top: 50%;
  left: calc(50% + 380px);
  width: 260px;
  max-height: calc(100vh - 48px);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: opacity 160ms ease, visibility 0s linear 0s;
}
.event-navigator.is-collapsed {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 160ms ease, visibility 0s linear 160ms;
}
.event-navigator__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule);
}
.event-navigator__collapse, .event-navigator-restore {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.event-navigator-restore {
  position: absolute;
  top: 50%;
  left: calc(50% + 380px);
  transform: translateY(-50%);
  box-shadow: var(--shadow);
}
.event-navigator__list { flex: 1; min-height: 0; overflow-y: auto; }
.event-navigator-row { width: 100%; border-bottom: 1px solid var(--rule); text-align: left; }
.event-navigator-row__position { font-size: 10px; line-height: 1.4; font-variant-numeric: tabular-nums; }
.event-navigator-row__avatar { object-fit: cover; display: block; background: var(--surface-3); }
.event-navigator-row__content { flex-direction: column; }
.event-navigator__global-label { color: var(--ink-3); }
.event-navigator__range { width: 100%; accent-color: var(--brand); }
@media (max-width: 1359px) {
  .event-navigator, .event-navigator-restore { display: none !important; }
}
/* ---------- Bookmark notice / tooltip ---------- */
.bookmark-notice, .bookmark-tooltip {
  position: fixed;
  z-index: 10000;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  max-width: min(560px, calc(100vw - 24px));
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--bg);
  box-shadow: var(--shadow);
  font-size: 13px;
}
.bookmark-notice button {
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  background: none;
  color: inherit;
  font-size: 12px;
}
.bookmark-tooltip {
  bottom: 76px;
  width: max-content;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transition: opacity 100ms, visibility 0s 100ms;
}
.bookmark-tooltip.is-visible { visibility: visible; opacity: 1; transition-delay: 300ms; }
/* ---------- Loading ---------- */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--bg);
  transition: opacity 0.3s ease;
}
.loading-screen.fade-out { opacity: 0; pointer-events: none; }
.loading-brand { font-size: 18px; font-weight: 700; color: var(--brand); }
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--rule-strong);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-text { font-size: 12px; color: var(--ink-3); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
/* ---------- Medium ---------- */
@media (max-width: 1300px) {
  :root { --sidebar-w: 260px; }
  .stream-item { grid-template-columns: 92px minmax(0, 1fr); gap: 10px; padding: 10px 12px; }
  .brand-sub { display: none; }
  .main-toolbar, .cards { padding-left: 20px; padding-right: 20px; }
}
/* ---------- Mobile ---------- */
@media (max-width: 820px) {
  :root { --topbar-h: 52px; --bottom-nav-h: 60px; }
  .topbar { grid-template-columns: 1fr auto; padding: 0 14px; gap: 12px; }
  .brand-sub, .side-links, #syncStatusText, .theme-toggle { display: none; }
  .bookmark-jump span { display: none; }
  .bookmark-jump { padding: 6px 8px; }
  .tabs-main {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    height: calc(var(--bottom-nav-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: var(--bg);
    border-top: 1px solid var(--rule);
  }
  .tab {
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 0 2px;
    font-size: 10px;
    min-width: 0;
    white-space: nowrap;
  }
  .tab span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
  .tab .icon { display: block; width: 20px; height: 20px; }
  .tab.is-active { color: var(--brand); }
  .tab.is-active::after { top: -1px; bottom: auto; left: 28%; right: 28%; }
  .layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    height: calc(100dvh - var(--topbar-h) - var(--bottom-nav-h) - env(safe-area-inset-bottom, 0px));
  }
  .mobile-hidden { display: none !important; }
  .layout:has(> .mobile-hidden) { grid-template-rows: minmax(0, 1fr); }
  .left-panel { border-right: 0; border-bottom: 1px solid var(--rule); padding: 10px 0 0; min-width: 0; }
  .panel-head { padding: 0 14px 8px; }
  .stream-search { padding: 0 14px 10px; }
  .stream-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(150px, 42vw);
    gap: 10px;
    padding: 10px 14px 12px;
    overflow-x: auto;
    overflow-y: hidden;
    border-top: 0;
    scrollbar-width: none;
  }
  .stream-item { display: flex; flex-direction: column; gap: 6px; padding: 0; border: 0; background: none; }
  .stream-item.active { background: none; }
  .stream-item.active .thumb { outline: 2px solid var(--brand); outline-offset: 2px; }
  .stream-item strong { font-size: 12px; }
  .stream-item .sub { font-size: 10px; }
  .stream-search-more { margin: 0; width: auto; }
  .main-toolbar { padding: 12px 14px 0; }
  .main-toolbar.mobile-collapsed .view-controls,
  .main-toolbar.mobile-collapsed .toolbar-filter-row {
    display: none;
  }
  .toolbar-context { margin-bottom: 10px; }
  .content-title { font-size: 15px; }
  .content-title__main { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .view-controls { flex-basis: 100%; margin-left: 0; }
  .toolbar-context { flex-wrap: wrap; }
  .content-title { flex: 1 1 0; }
  .kind { padding: 5px 9px; font-size: 12px; }
  .kind-label { display: none; }
  .filter-actions { margin-left: 0; }
  .cards { padding: 4px 0 16px; }
  .day-divider { padding: 0 14px; }
  .simple-row {
    grid-template-columns: 32px minmax(0, 1fr) auto;
    padding: 10px 40px 10px 12px;
    column-gap: 10px;
  }
  .simple-author-icon { width: 32px; height: 32px; }
  .simple-row__meta { flex-direction: column; gap: 0; }
  .simple-row__time { order: 2; font-size: 11px; }
  .simple-row__text { font-size: 14px; }
  .simple-row > .bookmark-button { top: 8px; right: 6px; }
  body.density-compact .simple-row {
    grid-template-columns: 24px minmax(0, 1fr) auto;
    grid-template-areas: "avatar meta badge" "avatar content content";
  }
  .day-heading-wrap { padding: 12px 14px 8px; }
  .free-item { padding-left: 52px; font-size: 14px; }
  .fc-author-icon { left: 12px; width: 28px; height: 28px; }
  .channel-history-card { padding: 14px; }
  .freechat-new-arrival, .to-top { bottom: 16px; }
  .to-top { right: 14px; }
  .popup-container { width: calc(100% - 20px); }
  .popup-body .sc-body { padding: 4px 16px 18px; }
  .popup-nav {
    top: auto;
    bottom: calc(var(--bottom-nav-h) + 8px);
    width: calc(100% - 20px);
    justify-content: center;
  }
  .popup-nav button { padding: 6px 8px; }
  .bookmark-notice { bottom: calc(var(--bottom-nav-h) + 12px); }
}
/* =====================================================================
   Event surfaces — YouTube と同じ見え方（帯 + 本文）
   ===================================================================== */
.stream-vitem:first-child .simple-row, .day-vitem:first-child .simple-row { border-top: 0; }
/* Popup: 帯 + 本文 */
.popup-body .card { border-top: 0; }
.popup-body .amount { padding: 0; background: none; }
/* Navigator rows */
.event-navigator-row { border-bottom-color: var(--surface); }
.event-navigator-row.is-current { background: var(--ev-body, var(--brand-soft)); }
.event-navigator-row__position, .event-navigator-row__index, .event-navigator-row__meta, .event-navigator-row__preview {
  color: var(--ev-soft, var(--ink-3));
}
/* =====================================================================
   Classic event rows — 前の版と同じ並び（アイコン | 時刻・名前 | 種別・金額 | 本文）と
   YouTube 色の塗り方を、新デザインのトークンで再現する。
   ===================================================================== */
.simple-row {
  position: relative;
  display: grid;
  grid-template-columns: 56px 220px 124px minmax(0, 1fr);
  align-items: start;
  gap: 8px;
  min-height: 68px;
  padding: 7px 48px 7px 10px;
  border: 1px solid var(--rule);
  border-left: 5px solid var(--ev-head, var(--rule-strong));
  border-radius: 10px;
  background: var(--ev-body, var(--surface));
  color: var(--ev-ink, var(--ink));
}
.simple-row.popup-target { cursor: pointer; }
.simple-row.popup-target:hover {
  background: var(--ev-body, var(--surface-2));
  box-shadow: 0 0 0 2px var(--ink-2);
}
.simple-row__avatar { display: flex; justify-content: center; padding-top: 2px; }
.simple-author-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: var(--surface-3);
}
.simple-author-icon--fallback { display: block; }
.simple-row__meta { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.simple-row__time { font-size: 12px; color: var(--ev-time, var(--ink-3)); }
.simple-row__id {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 14px;
  font-weight: 700;
  color: var(--ev-name, var(--ink));
}
.simple-row__kindprice {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  justify-self: end;
  padding-right: 10px;
  text-align: right;
}
.simple-row__kind {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--ev-badge, var(--surface-3));
  color: var(--ev-badge-ink, var(--ink));
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.simple-row__kind .icon { width: 13px; height: 13px; }
.simple-row__amount { font-size: 15px; font-weight: 700; white-space: nowrap; }
.simple-row__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 0;
}
.simple-row__streamtitle {
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 12px;
  font-weight: 700;
  color: var(--ev-soft, var(--ink-3));
}
.simple-row__streamtitle .icon { display: inline-block; width: 12px; height: 12px; }
.simple-row__text {
  font-size: 15px;
  line-height: 1.5;
  overflow-wrap: anywhere;
  color: var(--ev-ink, var(--ink));
}
.simple-row__sticker { width: 72px; height: 72px; object-fit: contain; }
.simple-row > .bookmark-button {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border: 1px solid currentColor;
  border-radius: 6px;
}
.simple-row > .bookmark-button:hover { background: rgba(0, 0, 0, 0.1); }
.stream-vitem, .day-vitem { padding-bottom: 6px; }
.day-group .simple-row + .simple-row { margin-top: 6px; }
body.density-compact .simple-row {
  grid-template-columns: 30px 170px 104px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 0;
  padding: 4px 44px 4px 8px;
}
body.density-compact .simple-author-icon { width: 26px; height: 26px; }
body.density-compact .simple-row__avatar { padding-top: 0; }
body.density-compact .simple-row__meta { gap: 0; }
body.density-compact .simple-row__time { font-size: 11px; }
body.density-compact .simple-row__id { font-size: 13px; }
body.density-compact .simple-row__kindprice { flex-direction: row; align-items: center; padding-right: 4px; }
body.density-compact .simple-row__kind span { display: none; }
body.density-compact .simple-row__kind { padding: 2px 6px; }
body.density-compact .simple-row__amount { font-size: 13px; }
body.density-compact .simple-row__text { font-size: 14px; line-height: 1.4; }
body.density-compact .simple-row__content { gap: 2px; }
body.density-compact .simple-row__streamtitle { display: block; }
body.density-compact .simple-row__sticker { width: 44px; height: 44px; }
body.density-compact .simple-row > .bookmark-button {
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
}
/* Free chat — 前の版と同じ箱型。支払いイベントは本文色で塗り、種別バッジに帯の色 */
.free-item {
  padding: 9px 12px;
  border: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
}
.free-item:has(.fc-kind) { border-color: var(--ev-head); background: var(--ev-body); color: var(--ev-ink); }
.free-item .who {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin: 0 0 3px;
  padding: 0;
  background: none;
}
.free-item .fc-author-icon { position: static; width: 22px; height: 22px; }
.free-item:has(.fc-kind) .who-name { color: var(--ev-name, var(--ev-ink)); }
.free-item:has(.fc-kind) .who .meta { color: var(--ev-time, var(--ev-soft)); }
.free-item .fc-kind,
.free-item.youtube-paid-colors .fc-kind {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--ev-badge, var(--ev-head));
  color: var(--ev-badge-ink, var(--ev-head-ink));
  font-size: 11px;
}
.free-item.youtube-paid-colors .fc-kind { background: var(--yt-header-background, var(--ev-head)); }
@media (max-width: 1300px) {
  .simple-row { grid-template-columns: 50px 200px 136px minmax(0, 1fr); }
}
@media (max-width: 820px) {
  .stream-vitem, .day-vitem { padding: 0 10px 6px; }
  .simple-row {
    grid-template-columns: 40px minmax(0, 1fr) auto;
    gap: 4px 8px;
    min-height: 0;
    padding: 7px 46px 7px 9px;
  }
  .simple-row__avatar { grid-column: 1; grid-row: 1; justify-content: flex-start; }
  .simple-row__meta { grid-column: 2; grid-row: 1; gap: 2px; }
  .simple-row__time, .simple-row__id { order: 0; }
  .simple-row__kindprice { grid-column: 3; grid-row: 1; padding-right: 0; }
  .simple-row__content { grid-column: 1 / -1; grid-row: 2; }
  .simple-author-icon { width: 34px; height: 34px; }
  .simple-row__amount { font-size: 14px; }
  .simple-row__text { font-size: 14px; }
  body.density-compact .simple-row { grid-template-columns: 30px minmax(0, 1fr) auto; }
  .free-item { padding: 8px 10px; }
  .free-chat-row { padding: 0 10px; }
}
/* =====================================================================
   Contrast — 背景色は YouTube のまま、文字は白/黒のうち見やすい方を使う
   （本文色・帯色それぞれでコントラスト比 4.5 以上になる組み合わせ）
   ===================================================================== */
.tier-1, .free-item:has(.fc-kind.tier-1) { --ev-head-ink: #fff; }
.tier-2, .free-item:has(.fc-kind.tier-2) { --ev-head-ink: #000; }
.tier-3, .free-item:has(.fc-kind.tier-3) { --ev-head-ink: #000; }
.tier-4, .free-item:has(.fc-kind.tier-4) { --ev-head-ink: #000; }
.tier-5, .free-item:has(.fc-kind.tier-5) { --ev-head-ink: #000; }
.tier-6, .free-item:has(.fc-kind.tier-6) { --ev-head-ink: #fff; }
.tier-7, .free-item:has(.fc-kind.tier-7) { --ev-head-ink: #fff; }
.membership, .membership_gift,
.free-item:has(.fc-kind.membership), .free-item:has(.fc-kind.membership_gift) {
  --ev-head-ink: #fff;
}
.youtube-paid-colors, .free-item.youtube-paid-colors { --ev-head-ink: var(--paid-header-contrast-ink, #fff); }
/* 半透明の補足色はやめ、同じ白/黒を太さで区別する */
.tier-1, .tier-2, .tier-3, .tier-4, .tier-5, .tier-6, .tier-7, .membership, .membership_gift,
.free-item:has(.fc-kind), .youtube-paid-colors {
  --ev-soft: var(--ev-ink);
  --ev-name: var(--ev-ink);
  --ev-head-soft: var(--ev-head-ink);
}
.simple-row > .bookmark-button, .simple-row > .bookmark-button:hover {
  color: var(--ev-ink, var(--ink));
  opacity: 1;
}
/* Popup: 帯の上の文字は帯色に対する白/黒 */
.stream-item__live { background: #d4321f; }
/* =====================================================================
   Popup detail — 公開中の表示と同じく「名前部分と本文を同じ色」にし、
   余白を取った枠付きカードとして見せる
   ===================================================================== */
.popup-overlay { background: rgba(20, 18, 16, 0.6); backdrop-filter: blur(3px); }
.popup-container { width: min(760px, calc(100% - 32px)); }
.popup-body { background: var(--surface); }
.popup-body .card {
  border: 1px solid var(--ev-head, var(--rule-strong));
  border-left: 6px solid var(--ev-head, var(--rule-strong));
  border-radius: 10px;
  background: var(--ev-body, var(--surface-2));
  color: var(--ev-ink, var(--ink));
  overflow: hidden;
}
.popup-body .sc-header {
  background: transparent;
  color: var(--ev-ink, var(--ink));
  align-items: center;
  gap: 16px;
}
.popup-body .author-line { gap: 8px 12px; }
.popup-body .author, .popup-event-time, .popup-channel-link, .popup-body .amount {
  color: var(--ev-ink, var(--ink));
}
.popup-event-time { font-size: 13px; }
.popup-body .amount { letter-spacing: 0.01em; }
.popup-body .sc-body { background: transparent; }
.popup-body .content { color: var(--ev-ink, var(--ink)); }
.popup-body .bookmark-button {
  width: 32px;
  height: 32px;
  border: 1px solid currentColor;
  border-radius: 6px;
  color: var(--ev-ink, var(--ink));
  opacity: 1;
}
.popup-body .bookmark-button:hover { background: rgba(0, 0, 0, 0.1); color: var(--ev-ink, var(--ink)); }
.popup-nav { padding: 8px 10px; gap: 8px; }
@media (max-width: 820px) {
  .popup-body { padding: 12px; }
  .popup-body .sc-header { padding: 12px 14px 4px; }
  .popup-body .sc-body { padding: 6px 14px 14px; }
  .popup-body .amount { font-size: 20px; }
  .popup-body .content { font-size: 16px; }
}
/* Keep the reading panel, paging and context list in one bounded workspace. */
.popup-overlay { display: grid; place-items: center; padding: 28px; }
.popup-workspace { position: relative; display: grid; min-height: 0; }
.popup-workspace .popup-container {
  position: static;
  transform: none;
  width: auto;
  min-width: 0;
  min-height: 0;
}
.popup-head { flex-shrink: 0; }
.popup-scope { white-space: normal; display: -webkit-box; -webkit-box-orient: vertical; line-height: 1.6; }
.popup-body { overscroll-behavior: contain; }
.popup-body .sc-header { flex-wrap: wrap; }
.popup-body .author-line { flex: 1 1 280px; }
.popup-body .author { overflow-wrap: anywhere; }
.popup-body .amount { margin-left: auto; }
.popup-container .popup-nav {
  position: static;
  transform: none;
  width: auto;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: center;
  border-top: 1px solid var(--rule);
  border-radius: 0;
  box-shadow: none;
}
.popup-workspace .event-navigator {
  display: flex !important;
  position: static;
  transform: none;
  width: auto;
  min-height: 0;
}
.event-navigator__head { flex-shrink: 0; }
.event-navigator__list { overscroll-behavior: contain; }
.event-navigator-row__preview { -webkit-box-orient: vertical; }
.event-navigator__global { flex-shrink: 0; }
.popup-workspace:has(.event-navigator.is-collapsed),
.popup-workspace:has(.event-navigator.hidden) {
  max-width: 840px;
}
.popup-workspace .event-navigator.is-collapsed { display: none !important; }
.popup-workspace .event-navigator-restore {
  display: inline-flex !important;
  top: auto;
  bottom: 80px;
  left: auto;
  right: 24px;
  transform: none;
  width: auto;
  height: 36px;
  gap: 6px;
  padding: 0 10px;
  font-size: 12px;
}
.popup-workspace .hidden { display: none !important; }
@media (max-width: 900px) {
  .popup-overlay { padding: 16px; }
  .popup-workspace {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) minmax(160px, 30%);
    height: calc(100dvh - 32px);
    gap: 12px;
  }
  .popup-workspace:has(.event-navigator.is-collapsed),
  .popup-workspace:has(.event-navigator.hidden) {
    grid-template-rows: minmax(0, 1fr);
  }
  .event-navigator__head { min-height: 44px; padding: 8px 12px; }
  .event-navigator__global { padding: 6px 12px; }
  .popup-body { padding: 16px; }
}
@media (max-width: 540px) {
  .popup-overlay { padding: 8px; }
  .popup-workspace { height: calc(100dvh - 16px); gap: 8px; }
  .popup-head { padding: 10px; gap: 8px; }
  .popup-first { font-size: 11px; padding: 6px; }
  .popup-body { padding: 12px; }
  .popup-container .popup-nav { padding: 8px; gap: 6px; }
  .popup-nav button { padding: 6px 8px; }
  #popupPos { min-width: 60px; }
}
/* =====================================================================
   Event text colors — 公開中のサイトと同じ文字色（tier ごとの指定 / YouTube 支給色）
   上の「Contrast」で白黒を自動選択していた部分を、本番の配色に戻す。
   ===================================================================== */
.tier-1, .free-item:has(.fc-kind.tier-1) { --ev-ink: #fff; --ev-badge: #0d47a1; }
.tier-2, .free-item:has(.fc-kind.tier-2) { --ev-ink: #000; --ev-badge: #006078; }
.tier-3, .free-item:has(.fc-kind.tier-3) { --ev-ink: #000; --ev-badge: #1b5e20; }
.tier-4, .free-item:has(.fc-kind.tier-4) { --ev-ink: #000; --ev-badge: #9e7b00; }
.tier-5, .free-item:has(.fc-kind.tier-5) { --ev-ink: #fff; --ev-badge: #8c3900; }
.tier-6, .free-item:has(.fc-kind.tier-6) { --ev-ink: #fff; --ev-badge: #7b1140; }
.tier-7, .free-item:has(.fc-kind.tier-7) { --ev-ink: #fff; --ev-badge: #8b0000; }
.tier-1, .tier-2, .tier-3, .tier-4, .tier-5, .tier-6, .tier-7,
.free-item:has(.fc-kind.tier-1), .free-item:has(.fc-kind.tier-2), .free-item:has(.fc-kind.tier-3),
.free-item:has(.fc-kind.tier-4), .free-item:has(.fc-kind.tier-5), .free-item:has(.fc-kind.tier-6), .free-item:has(.fc-kind.tier-7) {
  --ev-badge-ink: #fff;
}
.membership, .membership_gift,
.free-item:has(.fc-kind.membership), .free-item:has(.fc-kind.membership_gift) {
  --ev-body: #15ad57;
  --ev-ink: #fff;
  --ev-name: #fff;
  --ev-soft: #fff;
  --ev-time: rgba(255, 255, 255, 0.72);
  --ev-amount: #fff;
  --ev-badge: rgba(255, 255, 255, 0.22);
  --ev-badge-ink: #fff;
}
.free-item:has(.fc-kind.membership) .fc-kind, .free-item:has(.fc-kind.membership_gift) .fc-kind {
  background: #12994b;
}
.youtube-paid-colors, .free-item.youtube-paid-colors {
  --ev-ink: var(--yt-body-text, var(--paid-body-contrast-ink, #fff));
  --ev-name: var(--yt-author-name-text-opaque, var(--paid-body-contrast-ink, #fff));
  --ev-time: var(--yt-timestamp-opaque, var(--paid-body-contrast-ink, #fff));
  --ev-soft: var(--yt-body-text, var(--paid-body-contrast-ink, #fff));
  --ev-amount: var(--yt-purchase-amount-text, var(--yt-header-text, var(--ev-ink)));
  --ev-badge: var(--yt-header-background, var(--yt-body-background));
  --ev-badge-ink: var(--yt-purchase-amount-text, var(--yt-header-text, var(--paid-header-contrast-ink, #fff)));
}
.free-item.youtube-paid-colors .fc-kind { color: var(--ev-badge-ink); }
.simple-row__amount, .popup-body .amount { color: var(--ev-amount, var(--ev-ink, var(--ink))); }
.simple-row__time, .free-item:has(.fc-kind) .who .meta, .popup-event-time { font-weight: 400; }
.popup-body .author { color: var(--ev-name, var(--ink)); }
.popup-event-time { color: var(--ev-time, var(--ink-3)); }
/* Free chat — 公開中と同じく、YouTube 支給色のある項目だけ全体を塗る。
   支給色の無い項目（tier 判定・メンバー）は通常の箱のまま、バッジだけ色付き。 */
.free-item.youtube-paid-colors.youtube-paid-colors {
  --ev-badge: var(--yt-header-background, var(--yt-body-background));
  border-color: var(--yt-header-background, var(--rule));
  background: var(--yt-body-background, var(--surface));
}
.free-item:has(.fc-kind):not(.youtube-paid-colors) {
  border-color: var(--rule);
  background: var(--surface);
  color: var(--ink);
}
.free-item:has(.fc-kind):not(.youtube-paid-colors) .who-name { color: var(--ink); }
.free-item:has(.fc-kind):not(.youtube-paid-colors) .who .meta { color: var(--ink-3); }
.free-item:not(.youtube-paid-colors) .fc-kind.tier-1 { background: #1e88e5; color: #fff; }
.free-item:not(.youtube-paid-colors) .fc-kind.tier-2 { background: #00e5ff; color: #000; }
.free-item:not(.youtube-paid-colors) .fc-kind.tier-3 { background: #1de9b6; color: #000; }
.free-item:not(.youtube-paid-colors) .fc-kind.tier-4 { background: #ffca28; color: #000; }
.free-item:not(.youtube-paid-colors) .fc-kind.tier-5 { background: #f57c00; color: #fff; }
.free-item:not(.youtube-paid-colors) .fc-kind.tier-6 { background: #e91e63; color: #fff; }
.free-item:not(.youtube-paid-colors) .fc-kind.tier-7 { background: #e62117; color: #fff; }
/* バッジ自身も tier クラスを持つため、トークンではなく YouTube 支給色を直接指定する */
.free-item.youtube-paid-colors .fc-kind.fc-kind {
  background: var(--yt-header-background, var(--yt-body-background));
}
/* =====================================================================
   Event borders — 公開中と同じ枠色（tier: 左=本文色 / 枠=濃い色、メンバー: #15ad57 系）
   ===================================================================== */
.simple-row.tier-1 { border-color: #1565c0; border-left-color: #1e88e5; }
.simple-row.tier-2 { border-color: #00838f; border-left-color: #00e5ff; }
.simple-row.tier-3 { border-color: #00897b; border-left-color: #1de9b6; }
.simple-row.tier-4 { border-color: #f9a825; border-left-color: #ffca28; }
.simple-row.tier-5 { border-color: #e65100; border-left-color: #f57c00; }
.simple-row.tier-6 { border-color: #c2185b; border-left-color: #e91e63; }
.simple-row.tier-7 { border-color: #d00000; border-left-color: #e62117; }
.simple-row.youtube-paid-colors {
  border-color: var(--yt-header-background);
  border-left-color: var(--yt-header-background);
}
.simple-row.membership, .simple-row.membership_gift {
  border-color: color-mix(in srgb, #15ad57 65%, #1d2550);
  border-left-color: #15ad57;
}
.membership, .membership_gift { --ev-head: #15ad57; }
.popup-body .card.membership, .popup-body .card.membership_gift {
  border-color: color-mix(in srgb, #15ad57 65%, #1d2550);
  border-left-color: #15ad57;
}
/* =====================================================================
   Event navigator — 公開中と同じ位置関係・行の詰め方・色。器だけ新デザイン。
   ===================================================================== */
.event-navigator-row {
  --navigator-tier: var(--rule-strong);
  --navigator-tier-ink: var(--ink);
  --navigator-tier-soft: var(--ink-3);
  --navigator-current-edge: var(--ink);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--rule-strong);
  background: var(--surface-2);
  color: var(--ink);
  filter: none;
}
.event-navigator-row:hover { background: var(--surface-3); filter: none; }
.event-navigator-row.is-current { box-shadow: inset 0 0 0 2px var(--ink); }
.event-navigator-row.tier-1 {
  --navigator-tier: #1e88e5;
  --navigator-tier-ink: #fff;
  --navigator-tier-soft: rgba(255,255,255,0.78);
  --navigator-current-edge: #fff;
}
.event-navigator-row.tier-2 {
  --navigator-tier: #00e5ff;
  --navigator-tier-ink: #000;
  --navigator-tier-soft: rgba(0,0,0,0.68);
  --navigator-current-edge: #000;
}
.event-navigator-row.tier-3 {
  --navigator-tier: #1de9b6;
  --navigator-tier-ink: #000;
  --navigator-tier-soft: rgba(0,0,0,0.68);
  --navigator-current-edge: #000;
}
.event-navigator-row.tier-4 {
  --navigator-tier: #ffb300;
  --navigator-tier-ink: #000;
  --navigator-tier-soft: rgba(0,0,0,0.68);
  --navigator-current-edge: #000;
}
.event-navigator-row.tier-5 {
  --navigator-tier: #e65100;
  --navigator-tier-ink: #fff;
  --navigator-tier-soft: rgba(255,255,255,0.78);
  --navigator-current-edge: #fff;
}
.event-navigator-row.tier-6 {
  --navigator-tier: #e91e63;
  --navigator-tier-ink: #fff;
  --navigator-tier-soft: rgba(255,255,255,0.78);
  --navigator-current-edge: #fff;
}
.event-navigator-row.tier-7 {
  --navigator-tier: #e62117;
  --navigator-tier-ink: #fff;
  --navigator-tier-soft: rgba(255,255,255,0.78);
  --navigator-current-edge: #fff;
}
.event-navigator-row.membership, .event-navigator-row.membership_gift {
  --navigator-tier: #15ad57;
  --navigator-tier-ink: #fff;
  --navigator-tier-soft: rgba(255,255,255,0.78);
  --navigator-current-edge: #fff;
}
.event-navigator-row.has-event-color {
  border-color: color-mix(in srgb, var(--navigator-tier) 72%, #000000);
  border-left-color: color-mix(in srgb, var(--navigator-tier) 62%, var(--navigator-current-edge));
  background: var(--navigator-tier);
  color: var(--navigator-tier-ink);
}
.event-navigator-row.has-event-color:hover {
  border-color: var(--navigator-current-edge);
  background: var(--navigator-tier);
  filter: brightness(1.04);
}
.event-navigator-row.has-event-color.is-current {
  border-color: var(--navigator-current-edge);
  border-left-color: var(--navigator-current-edge);
  background: var(--navigator-tier);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--navigator-current-edge) 58%, transparent), 0 0 0 2px var(--ink);
  filter: none;
}
.event-navigator-row.youtube-paid-colors.has-event-color {
  --navigator-tier: var(--yt-body-background);
  --navigator-current-edge: var(--yt-header-background, var(--navigator-tier-ink));
  border-color: color-mix(in srgb, var(--navigator-tier) 72%, #000000);
  border-left-color: color-mix(in srgb, var(--navigator-tier) 62%, var(--navigator-current-edge));
}
/* Navigator text colors (colors only; sizes follow the workspace layout above) */
.event-navigator-row__author { color: inherit; }
.event-navigator-row__index, .event-navigator-row__meta, .event-navigator-row__preview {
  color: var(--navigator-tier-soft);
}
.event-navigator-row__time { color: inherit; }
.event-navigator-row__meta strong { color: var(--navigator-tier-ink); }
/* 詳細パネルと周辺イベントの間を少し広げる */
/* イベントの時刻は薄くせず、本文と同じ色で表示する */
.tier-1, .tier-2, .tier-3, .tier-4, .tier-5, .tier-6, .tier-7,
.membership, .membership_gift, .youtube-paid-colors,
.free-item:has(.fc-kind), .free-item.youtube-paid-colors.youtube-paid-colors {
  --ev-time: var(--ev-ink);
}
/* =====================================================================
   Event text = 白か黒のみ（半透明・YouTube 支給の文字色は使わない）
   tier: 本番と同じ白/黒、YouTube 支給色: 背景の明るさから計算した白/黒
   ===================================================================== */
.tier-1, .tier-2, .tier-3, .tier-4, .tier-5, .tier-6, .tier-7,
.free-item:has(.fc-kind.tier-1), .free-item:has(.fc-kind.tier-2), .free-item:has(.fc-kind.tier-3),
.free-item:has(.fc-kind.tier-4), .free-item:has(.fc-kind.tier-5), .free-item:has(.fc-kind.tier-6), .free-item:has(.fc-kind.tier-7),
.membership, .membership_gift {
  --ev-name: var(--ev-ink);
  --ev-time: var(--ev-ink);
  --ev-soft: var(--ev-ink);
  --ev-amount: var(--ev-ink);
}
.free-item.youtube-paid-colors.youtube-paid-colors { color: var(--ev-ink); }
.free-item:has(.fc-kind.membership) .fc-kind, .free-item:has(.fc-kind.membership_gift) .fc-kind {
  color: #fff;
}
.event-navigator-row.has-event-color { --navigator-tier-soft: var(--navigator-tier-ink); }
/* YouTube 支給色のイベント: YouTube が指定した文字色（白/黒）を不透明にして使う。
   計算での白黒判定は、YouTube の指定が無いときの予備にだけ使う。 */
.youtube-paid-colors, .free-item.youtube-paid-colors.youtube-paid-colors {
  --ev-ink: var(--yt-body-text-opaque, var(--paid-body-contrast-ink, #fff));
  --ev-name: var(--ev-ink);
  --ev-time: var(--ev-ink);
  --ev-soft: var(--ev-ink);
  --ev-amount: var(--yt-header-text-opaque, var(--ev-ink));
  --ev-badge-ink: var(--yt-header-text-opaque, var(--paid-header-contrast-ink, #fff));
}
.free-item.youtube-paid-colors .who-name,
.free-item.youtube-paid-colors .who .meta {
  color: var(--yt-body-text-opaque, var(--paid-body-contrast-ink, #fff));
}
.free-item.youtube-paid-colors .fc-kind.fc-kind {
  color: var(--yt-header-text-opaque, var(--paid-header-contrast-ink, #fff));
}
.event-navigator-row.youtube-paid-colors.has-event-color {
  --navigator-tier-ink: var(--yt-body-text-opaque, var(--paid-body-contrast-ink, #fff));
  --navigator-tier-soft: var(--navigator-tier-ink);
}
.event-navigator-row.youtube-paid-colors.has-event-color .event-navigator-row__author,
.event-navigator-row.youtube-paid-colors.has-event-color .event-navigator-row__meta strong {
  color: var(--navigator-tier-ink);
}
/* =====================================================================
   周辺イベント: 公開中と同じく 11 件を一度に見せる（行を詰め、画面の高さまで使う）
   詳細パネルとの間隔も広げる
   ===================================================================== */
.popup-workspace { gap: 56px; }
.popup-workspace .event-navigator { align-self: center; max-height: calc(100dvh - 56px); }
.event-navigator__head { min-height: 0; }
.event-navigator__list { scrollbar-gutter: auto; }
/* =====================================================================
   周辺イベントの中身 — 公開中と同じ並び・大きさ
   [番号/時刻] [アイコン] [名前 ……… 種別 金額]
                          [本文プレビュー        ]
   ===================================================================== */
.event-navigator__head { padding: 10px 10px 9px 12px; gap: 10px; }
.event-navigator__title { font-size: 12px; font-weight: 800; }
.event-navigator__subtitle {
  display: block;
  margin-top: 1px;
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.event-navigator__collapse { width: 30px; height: 30px; border-radius: 8px; }
.event-navigator__list { padding: 6px; }
.event-navigator-row-wrap + .event-navigator-row-wrap { margin-top: 4px; }
.event-navigator-row {
  min-height: 54px;
  display: grid;
  grid-template-columns: 42px 34px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  padding: 5px 7px 5px 4px;
  border-radius: 8px;
}
.event-navigator-row__position {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.event-navigator-row__index {
  font-size: 10px;
  font-weight: 700;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.event-navigator-row__time {
  font-size: 8px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.event-navigator-row__media { position: relative; width: 32px; height: 32px; display: block; }
.event-navigator-row__avatar { width: 28px; height: 28px; margin: 2px; border-radius: 50%; }
.event-navigator-row__sticker {
  position: absolute;
  inset: 1px;
  right: auto;
  bottom: auto;
  width: 30px;
  height: 30px;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
}
.event-navigator-row__media.has-sticker .event-navigator-row__avatar {
  position: absolute;
  left: -2px;
  bottom: -2px;
  z-index: 1;
  width: 16px;
  height: 16px;
  margin: 0;
}
.event-navigator-row__content {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1px 6px;
  line-height: 1.4;
}
.event-navigator-row__author {
  font-size: 11px;
  font-weight: 800;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.event-navigator-row__meta {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 9px;
  white-space: nowrap;
}
.event-navigator-row__meta strong { font-size: 9px; }
.event-navigator-row__preview {
  grid-column: 1 / -1;
  display: block;
  font-size: 10px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  -webkit-line-clamp: unset;
}
.event-navigator__global { padding: 9px 12px 11px; border-top: 1px solid var(--rule); }
.event-navigator__global-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  margin-bottom: 0;
}
.event-navigator__global-label strong { font-size: 11px; color: var(--ink); }
.event-navigator__range { height: 22px; margin: 5px 0 0; }
@media (max-width: 900px) {
  .popup-workspace { grid-template-columns: minmax(0, 1fr); }
}
/* =====================================================================
   Mobile menu — スマホで隠れる「テーマ・利用規約・管理者X」の入口
   右上のボタンから下部シートで開く（下部タブと同じく親指で届く位置）
   ===================================================================== */
.mobile-menu-btn { display: none; }
.mobile-menu { display: none; }
@media (max-width: 820px) {
  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--rule-strong);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
  }
  .mobile-menu-btn .icon { width: 20px; height: 20px; }
  .bookmark-jump { width: 40px; height: 40px; justify-content: center; padding: 0; }
  .mobile-menu[open] {
    display: block;
    position: fixed;
    inset: auto 0 0 0;
    width: 100%;
    max-width: 100%;
    max-height: 85dvh;
    margin: 0;
    padding: 6px 16px calc(20px + env(safe-area-inset-bottom, 0px));
    border: 0;
    border-top: 1px solid var(--rule-strong);
    border-radius: 16px 16px 0 0;
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.35);
    overflow-y: auto;
    animation: sheet-up 180ms ease-out;
  }
  .mobile-menu::backdrop { background: rgba(0, 0, 0, 0.5); }
  @keyframes sheet-up { from { transform: translateY(24px); opacity: 0; } }
  .mobile-menu__grip {
    width: 40px;
    height: 4px;
    margin: 4px auto 8px;
    border-radius: 2px;
    background: var(--rule-strong);
  }
  .mobile-menu__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
  }
  .mobile-menu__head h2 { margin: 0; font-size: 16px; }
  .mobile-menu__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-right: -8px;
    border: 0;
    border-radius: 8px;
    background: none;
    color: var(--ink);
  }
  .mobile-menu__close .icon { width: 18px; height: 18px; }
  .mobile-menu__section { padding: 12px 0 16px; border-bottom: 1px solid var(--rule); }
  .mobile-menu__section h3 { margin: 0 0 8px; font-size: 12px; font-weight: 700; color: var(--ink-2); }
  .mobile-menu__seg {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--rule-strong);
    border-radius: 8px;
    overflow: hidden;
  }
  .mobile-menu__seg button {
    min-height: 44px;
    border: 0;
    background: var(--surface-2);
    color: var(--ink-2);
    font-size: 14px;
    font-weight: 500;
  }
  .mobile-menu__seg button + button { border-left: 1px solid var(--rule-strong); }
  .mobile-menu__seg button[aria-pressed="true"] { background: var(--brand); color: #fff; font-weight: 700; }
  .mobile-menu__links {
    display: flex;
    flex-direction: column;
    padding: 4px 0;
    border-bottom: 1px solid var(--rule);
  }
  .mobile-menu__links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 52px;
    padding: 0 2px;
    color: var(--ink);
    font-size: 15px;
    text-decoration: none;
  }
  .mobile-menu__links a + a { border-top: 1px solid var(--rule); }
  .mobile-menu__links small { margin-left: 6px; color: var(--ink-3); font-size: 12px; }
  .mobile-menu__links .icon { color: var(--ink-3); }
  .mobile-menu__note { margin: 12px 0 0; font-size: 12px; color: var(--ink-3); }
  /* 種別ボタン: 文字は隠しても読み上げ名は残す */
  .kind-label {
    display: inline !important;
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }
}
/* =====================================================================
   詳細イベント — 公開中と同じ比率（幅760px・高さは内容に合わせる・カードは15px内側）
   ===================================================================== */
.popup-workspace {
  width: auto;
  max-width: 100%;
  height: auto;
  grid-template-columns: minmax(0, 760px) 260px;
  justify-content: center;
  align-items: center;
}
.popup-workspace:has(.event-navigator.is-collapsed),
.popup-workspace:has(.event-navigator.hidden) {
  grid-template-columns: minmax(0, 760px);
}
.popup-body { padding: 15px; align-content: normal; }
.popup-head { min-height: 0; padding: 10px 14px; }
.popup-body .sc-header { padding: 14px 18px 6px; }
.popup-body .sc-body { padding: 6px 18px 16px; }
.popup-body .author { font-size: 15px; }
.popup-body .amount { font-size: 20px; }
.popup-body .content { font-size: 16px; line-height: 1.7; }
.popup-container .popup-nav { padding: 10px 14px; }
.popup-nav button { min-height: 36px; }
@media (max-width: 900px) {
  .popup-workspace { grid-template-columns: minmax(0, 1fr); width: 100%; }
}
/* =====================================================================
   詳細イベント — 前へ/次へを常に同じ位置に置く
   パネルの高さを固定し、ボタンは下端に固定。短いイベントは中央、
   長いイベントはパネル内でスクロール（ボタンは動かない）。
   ===================================================================== */
.popup-workspace .popup-container { max-height: calc(100dvh - 56px); }
.popup-head { flex: 0 0 auto; }
.popup-scope { -webkit-line-clamp: 1; }
.popup-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
}
/* 内容が短いときは上下中央、溢れたときは上端から（safe centering） */
.popup-body > .card { flex: 0 0 auto; margin-block: auto; }
.popup-container .popup-nav { flex: 0 0 auto; margin-top: 0; }
@media (max-width: 900px) {
  .popup-workspace .popup-container { height: calc(100dvh - 32px - 30% - 12px); }
  .popup-workspace:has(.event-navigator.hidden) .popup-container,
  .popup-workspace:has(.event-navigator.is-collapsed) .popup-container {
    height: min(560px, calc(100dvh - 32px));
  }
}
@media (max-width: 540px) {
  .popup-workspace:has(.event-navigator.hidden) .popup-container,
  .popup-workspace:has(.event-navigator.is-collapsed) .popup-container {
    height: calc(100dvh - 16px - var(--bottom-nav-h, 0px));
  }
}
/* 本文は最長350文字。余裕を見て500文字がスクロールなしで収まる高さに固定する（ボタン位置は常に一定）。 */
.popup-workspace .popup-container { height: min(600px, calc(100dvh - 56px)); }
.stream-times__unknown { color: var(--ink-3); }