/* Persistent chat portal, using the app's light/dark semantic tokens. */
#chat-root { position: absolute; z-index: 2; min-width: 0; box-sizing: border-box; }
#chat-root[hidden], #chat-root [hidden] { display: none !important; }
.chat-panel { min-width: 0; background: var(--surface-raised); border: 1px solid var(--border); border-radius: 16px; overflow-wrap: anywhere; }
.chat-panel h1, .chat-panel h2 { margin: 0; }
.chat-panel h1 { font-size: 1.5rem; }
.chat-panel h2 { font-size: 1.1rem; }
.chat-panel .btn, .chat-panel input:not([type=checkbox]) { min-height: 44px; }
.chat-panel .btn.secondary { background: var(--surface-raised); color: var(--text); border-color: var(--border-strong); }
.chat-panel :is(a, button, input, textarea, summary):focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.chat-panel input, .chat-panel textarea { max-width: 100%; box-sizing: border-box; }
.chat-panel label:not(.chat-check) { display: block; font-weight: 600; margin-bottom: 8px; }
.chat-panel p:empty { display: none; }
.chat-page-header, .chat-page-title, .chat-toolbar { display: flex; align-items: center; gap: 12px; }
.chat-page-header { justify-content: space-between; padding: 20px 24px; }
.chat-page-header .chat-toolbar { margin: 0; }
.chat-toolbar { flex-wrap: wrap; margin: 12px 0; }
#chat-view { padding: 0 24px 24px; }
.chat-icon-button { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 44px; width: 44px; height: 44px; padding: 0; background: transparent; color: var(--text-secondary); border: 0; border-radius: 12px; cursor: pointer; text-decoration: none; }
.chat-icon-button:hover { background: var(--surface-sunken); color: var(--text); }
.chat-icon-button .ic { font-size: 21px; }
.chat-text-button { min-height: 44px; padding: 8px 12px; border: 0; background: transparent; color: var(--brand); cursor: pointer; font-weight: 600; }
.chat-text-button:disabled { color: var(--text-muted); cursor: default; }
.chat-connection { margin: 0; padding: 8px 16px; text-align: center; background: var(--surface-tint); color: var(--text-secondary); font-size: .875rem; }
.chat-panel [data-chat-error]:not(:empty) { margin: 0; padding: 8px 16px; color: var(--danger-strong); background: var(--surface-tint); }
.chat-filters { display: flex; gap: 8px; padding: 0 0 16px; border-bottom: 1px solid var(--border); }
.chat-filter { min-height: 44px; padding: 8px 20px; border: 1px solid var(--border); border-radius: 24px; background: var(--surface-raised); color: var(--text-secondary); cursor: pointer; font-weight: 600; }
.chat-filter[aria-pressed=true] { background: var(--brand-soft); color: var(--brand-strong); border-color: var(--brand); }
.chat-thread { display: flex; align-items: center; gap: 14px; min-height: 88px; padding: 16px 4px; border-bottom: 1px solid var(--border); text-decoration: none; color: var(--text); }
.chat-thread:last-child { border-bottom: 0; }
.chat-thread:hover { background: var(--surface-sunken); }
.chat-thread-main { display: grid; gap: 4px; min-width: 0; flex: 1; }
.chat-thread-main strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-thread-detail { font-size: .8125rem; color: var(--text-muted); }
.chat-thread-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; font-size: .75rem; color: var(--text-muted); white-space: nowrap; }
.chat-avatar { position: relative; flex: 0 0 40px; display: inline-flex; align-self: center; }
.chat-avatar .avatar { width: 40px; height: 40px; font-size: .875rem; border-radius: 50%; }
.chat-avatar > .chat-dot { position: absolute; right: -1px; bottom: 0; width: 11px; height: 11px; border: 2px solid var(--surface-raised); }
.chat-dot { display: inline-block; height: 8px; width: 8px; flex: 0 0 8px; background: var(--text-muted); border-radius: 50%; }
.chat-dot.online { background: var(--success); }
.chat-presence { display: inline-flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: .8125rem; }
.chat-badge { display: inline-flex; justify-content: center; min-width: 22px; border-radius: 20px; padding: 2px 7px; background: var(--brand-solid); color: var(--on-solid); font-size: .75rem; font-weight: 700; }
.chat-empty { text-align: center; padding: 36px 16px; color: var(--text-muted); }
#chat-root.is-conversation .chat-panel { height: 100%; display: flex; flex-direction: column; overflow: hidden; }
#chat-root.is-conversation #chat-view { display: flex; flex-direction: column; flex: 1; min-height: 0; padding: 0; }
.chat-conversation-header { display: flex; align-items: center; gap: 12px; flex-shrink: 0; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.chat-heading { min-width: 0; flex: 1; }
.chat-heading h2 { font-size: 1rem; line-height: 1.4; }
.chat-heading h2 a { color: var(--text); text-decoration: none; }
.chat-heading h2 a:hover { text-decoration: underline; }
.chat-context { display: block; color: var(--text-muted); font-size: .75rem; margin-top: 3px; }
.chat-back { display: none; }
.chat-menu { position: relative; }
.chat-menu summary { list-style: none; }
.chat-menu summary::-webkit-details-marker { display: none; }
.chat-menu-items { position: absolute; z-index: 4; right: 0; top: 48px; width: 190px; background: var(--surface-raised); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-2); padding: 6px; }
.chat-menu-items .btn { width: 100%; justify-content: flex-start; border: 0; }
#chat-call-result:not(:empty) { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px 16px; border-bottom: 1px solid var(--border); }
#chat-call-result p { width: 100%; margin: 0; font-size: .8125rem; }
#chat-readonly:not(:empty) { padding: 8px 16px; margin: 0; font-size: .8125rem; }
.chat-history { position: relative; display: flex; flex-direction: column; flex: 1; min-height: 0; background: var(--surface-sunken); }
.chat-history-tools { text-align: center; }
.chat-messages { flex: 1; min-height: 0; list-style: none; padding: 12px 24px 20px; margin: 0; overflow-y: auto; overscroll-behavior: contain; overflow-anchor: none; }
.chat-day { display: flex; align-items: center; justify-content: center; gap: 16px; color: var(--text-muted); font-size: .75rem; margin: 16px 0 20px; }
.chat-day::before, .chat-day::after { content: ''; width: 60px; height: 1px; background: var(--border); }
.chat-message { display: flex; align-items: flex-start; gap: 8px; margin: 14px 0 0; }
.chat-message-own { justify-content: flex-end; }
.chat-message-own > .chat-avatar { order: 2; }
.chat-message > .chat-avatar { align-self: flex-start; flex: 0 0 28px; margin-top: 4px; }
.chat-message .avatar { height: 28px; width: 28px; font-size: .6875rem; }
.chat-grouped { margin-top: 4px; }
.chat-with-avatar.chat-grouped.chat-message-other { padding-left: 36px; }
.chat-with-avatar.chat-grouped.chat-message-own { padding-right: 36px; }
.chat-bubble { max-width: min(78%, 520px); min-width: 64px; padding: 10px 13px 6px; background: var(--surface-raised); color: var(--text); border-radius: 16px 16px 16px 4px; }
.chat-message-own .chat-bubble { background: var(--brand-soft); border-radius: 16px 16px 4px 16px; }
.chat-grouped .chat-bubble { border-radius: 12px; }
.chat-bubble p { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 4px; line-height: 1.5; }
.chat-sender { display: block; font-size: .75rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 5px; }
.chat-time { display: block; text-align: right; font-size: .6875rem; color: var(--text-secondary); margin-top: 4px; }
.chat-photo-button { display: block; padding: 0; border: 0; background: transparent; width: min(360px, 100%); border-radius: 10px; cursor: zoom-in; }
.chat-photo { display: block; width: 360px; max-width: 100%; max-height: 320px; object-fit: cover; border-radius: 10px; }
.chat-caption { margin-top: 8px !important; }
.chat-voice { display: flex; align-items: center; gap: 6px; width: 340px; max-width: 100%; }
.chat-voice audio { display: block; width: 100%; min-width: 0; height: 40px; }
.chat-duration { font-size: .75rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
#chat-send-status { font-size: .75rem; color: var(--text-secondary); }
#chat-send-status .chat-text-button { padding: 0 8px; }
.chat-new-pill { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); min-height: 44px; padding: 8px 18px; border-radius: 24px; border: 1px solid var(--border-strong); box-shadow: var(--shadow-2); background: var(--surface-raised); color: var(--brand); font-weight: 600; white-space: nowrap; cursor: pointer; }
#chat-composer { position: sticky; bottom: 0; flex-shrink: 0; padding: 12px 16px max(12px, env(safe-area-inset-bottom, 0px)); background: var(--surface-raised); border-top: 1px solid var(--border); }
.chat-compose-row { display: flex; align-items: flex-end; gap: 8px; }
#chat-media-actions, #chat-media-icons { display: flex; }
#chat-draft { min-width: 0; flex: 1; height: 44px; min-height: 44px; max-height: 144px; line-height: 24px; padding: 9px 12px; border-radius: 14px; resize: none; overflow-y: auto; }
.chat-send-button { background: var(--brand-solid); color: var(--on-solid); }
.chat-send-button:hover { background: var(--brand-solid-hover); color: var(--on-solid); }
.chat-icon-button:disabled { opacity: .5; cursor: default; }
.chat-discard { display: block; margin-left: auto; font-size: .75rem; padding: 0 8px; }
.chat-media-state { padding: 12px; margin-bottom: 12px; border: 1px solid var(--border); background: var(--surface-sunken); border-radius: 12px; }
.chat-recording { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.chat-recording-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--danger); }
#chat-record-timer { font-size: .8125rem; font-variant-numeric: tabular-nums; }
#chat-level { flex: 1; min-width: 36px; max-width: 180px; }
.chat-media-preview-row { display: flex; gap: 12px; align-items: center; }
#chat-media-preview img { display: block; width: 80px; height: 72px; object-fit: cover; border-radius: 8px; }
#chat-media-preview audio { display: block; width: 220px; max-width: 100%; height: 40px; }
.chat-media-description { flex: 1; min-width: 0; }
.chat-media-description label { font-size: .8125rem; }
#chat-media-caption { width: 100%; resize: vertical; min-height: 44px; }
.chat-media-state-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 8px; }
#chat-media-notice { font-size: .8125rem; color: var(--text-secondary); margin: 0 0 8px; }
.chat-photo-viewer { margin: 0; }
.chat-photo-viewer img { display: block; max-width: 100%; max-height: 70dvh; margin: auto; border-radius: 12px; object-fit: contain; }
.chat-photo-viewer figcaption { margin-top: 12px; white-space: pre-wrap; overflow-wrap: anywhere; }
.chat-group-members { list-style: none; padding: 0; }
.chat-group-members li { display: flex; align-items: center; gap: 12px; margin: 12px 0; }
.chat-check { display: flex; align-items: center; min-height: 44px; gap: 12px; cursor: pointer; }
.chat-check input { flex-shrink: 0; width: 20px; height: 20px; }
.chat-create { max-width: 640px; }
.chat-people-picker { min-width: 0; border: 0; padding: 12px 0; margin: 12px 0; }
.chat-people-picker legend { font-size: .8125rem; color: var(--text-muted); }
.chat-person { padding: 12px 4px; border-bottom: 1px solid var(--border); }
.chat-person > span:last-child { display: grid; gap: 4px; min-width: 0; }
.chat-settings-card { padding: 20px; margin: 0 0 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-sunken); }
.chat-settings-card h2 { margin: 0 0 12px; }
.chat-settings-card p { font-size: .875rem; color: var(--text-secondary); margin-bottom: 0; }
.chat-settings-card .chat-check { margin-top: 12px; }
#chat-settings { max-width: 680px; }
.chat-notifications { max-width: 680px; margin-top: 20px; }
@media (max-width: 899px) {
  #chat-root.is-conversation { position: fixed; z-index: 70; }
  #chat-root.is-conversation .chat-panel { border: 0; border-radius: 0; }
  .chat-back { display: inline-flex; }
  .chat-conversation-header { padding: max(8px, env(safe-area-inset-top, 0px)) 8px 8px; gap: 6px; }
  .chat-heading h2 { font-size: .9375rem; }
  .chat-context { font-size: .6875rem; }
}
@media (max-width: 480px) {
  .chat-panel { border-radius: 12px; }
  .chat-page-header { padding: 16px 12px; gap: 8px; }
  .chat-page-header .chat-toolbar { gap: 4px; }
  .chat-page-header .btn { padding: 8px 12px; }
  #chat-view { padding: 0 12px 12px; }
  .chat-thread { gap: 10px; }
  .chat-messages { padding: 8px 12px 16px; }
  .chat-bubble { max-width: 88%; padding: 8px 10px 5px; }
  .chat-with-avatar .chat-bubble { max-width: calc(100% - 36px); }
  .chat-photo { width: 280px; max-height: 260px; }
  .chat-voice { width: 276px; }
  #chat-composer { padding: 8px 8px max(8px, env(safe-area-inset-bottom, 0px)); }
  .chat-compose-row { gap: 4px; }
  .chat-media-state { padding: 8px; margin-bottom: 8px; }
  .chat-media-preview-row { gap: 8px; }
  .chat-media-preview-row:has(audio) { flex-direction: column; align-items: stretch; }
  .chat-settings-card { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  #chat-root *, .chat-photo-viewer * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
/* Full chat notice on the consent screen (generated from the approved draft). */
.chat-notice { margin: 0 0 16px; padding: 16px 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-sunken); }
.chat-notice summary { cursor: pointer; font-weight: 600; }
.chat-notice[open] { max-height: 60vh; overflow-y: auto; }
.chat-notice h3 { margin: 16px 0 8px; }
.chat-notice h4 { margin: 12px 0 4px; }