/* MFChat — JenChat design port (2026-06-12).
   Visual system lifted from the JenChat SwiftUI app (Sources/Views/Theme.swift,
   ChannelSidebar.swift, MessagesView.swift, MessageBodyView.swift):
   near-black surfaces, Inter, Discord-blurple accent, per-agent colors.
   No framework, no build step — CSS variables + grid. */

/* ── Inter (bundled, same family JenChat ships) ─────────────────────────── */
@font-face {
  font-family: 'Inter';
  src: url('/mfchat/vendor/fonts/Inter-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/mfchat/vendor/fonts/Inter-Medium.ttf') format('truetype');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/mfchat/vendor/fonts/Inter-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/mfchat/vendor/fonts/Inter-Bold.ttf') format('truetype');
  font-weight: 700 900;
  font-display: swap;
}

:root {
  /* DiscordTheme — exact conversions from Theme.swift */
  --bg-deep:    #000000;               /* outer / sidebar header / chat */
  --bg-mid:     #0a0a0d;               /* channel list — barely-off-black */
  --bg-chat:    #000000;               /* messages area */
  --bg-input:   #1a1a1f;               /* input field lift */
  --bg-float:   #121217;               /* menus, modals, popovers */
  --bg-panel:   #0a0a0d;               /* legacy alias */
  --bg-hover:   rgba(255,255,255,0.06);
  --bg-active:  rgba(255,255,255,0.14); /* selected channel row */
  --border:     rgba(255,255,255,0.08);

  --text-bright: #f2f2f2;              /* textBright 0.95 */
  --text:        #d6d6db;              /* textNormal */
  --text-muted:  #858a94;              /* textMuted */
  --text-dim:    #52525c;              /* textCategory */
  --ch-row:      #9e9ea8;              /* textChannelRow */
  --ch-row-dim:  #666670;              /* textChannelRowDim */

  --accent:       #5865f2;             /* Discord blurple */
  --accent-hover: #6d79f4;
  --accent-soft:  rgba(88,101,242,0.15);

  --danger:  #f04747;
  --success: #66d98c;

  /* Agent palette (Theme.swift agentColors) */
  --agent-jen:    #f5b545;
  --agent-jenni:  #66d98c;
  --agent-jane:   #c773f2;
  --agent-jarvis: #57c7f2;
  --agent-voice:  #f2739e;
  --agent-multi:  #8c919c;

  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font-base);
  background: var(--bg-deep);
  color: var(--text);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  /* iOS standalone PWA: respect notch / home-indicator */
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: 100vh;
  height: 100dvh;
}

/* ── Sidebar — ChannelSidebar.swift ─────────────────────────────────────── */

.sidebar {
  background: var(--bg-mid);
  border-right: 1px solid rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-deep);
  border-bottom: 1px solid rgba(0,0,0,0.4);
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 600;
  color: var(--text-bright);
  font-size: 17px;
  line-height: 1.2;
}

.brand-sub {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  line-height: 1.4;
}

/* Search field — white 4% fill, radius 6 (ChannelSidebar search bar) */
.channel-search {
  padding: 8px 10px 4px;
}

.channel-search input {
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
  background: rgba(255,255,255,0.04);
  color: var(--text-bright);
  border: none;
  border-radius: 6px;
  outline: none;
}
.channel-search input::placeholder { color: var(--text-muted); }
.channel-search input:focus {
  box-shadow: 0 0 0 1px rgba(88,101,242,0.55);
}

/* channel sort-mode toggle (A–Z vs custom drag order) */
.ch-sort-toggle {
  display: flex;
  gap: 2px;
  margin: 4px 10px 2px;
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  padding: 2px;
}
.ch-sort-toggle button {
  flex: 1;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  padding: 4px 0;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.ch-sort-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.channels {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0 12px;
  position: relative; /* anchor for the drag drop-line */
}

/* drop indicator line shown while dragging a channel to reorder */
.ch-drop-line {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  pointer-events: none;
  z-index: 5;
  box-shadow: 0 0 4px var(--accent);
  margin-top: -1px;
}
.ch-drop-line::before {
  content: '';
  position: absolute;
  left: -3px;
  top: -2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.channel.dragging { opacity: 0.45; }

/* Category headers — 12 bold, uppercase, blended back (textCategory) */
.channel-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding: 14px 12px 4px;
  user-select: none;
}

/* Channel rows — ChannelRow: # 20px muted, name 17px, selected = white 14% */
.channel {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 8px 20px;
  margin: 1px 6px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--ch-row-dim);
  font-size: 16px;
  user-select: none;
}

.channel:hover {
  background: var(--bg-hover);
  color: var(--ch-row);
}

.channel.active {
  background: var(--bg-active);
  color: var(--text-bright);
}

.channel .ch-hash {
  color: var(--text-muted);
  font-size: 19px;
  font-weight: 400;
  line-height: 1;
}

.channel .ch-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.channel.unread .ch-name {
  font-weight: 600;
  color: var(--text-bright);
}

/* Unread — JenChat shows a small agent-colored dot; we keep the count for a
   team chat but render it as a compact accent pill. */
.ch-unread-badge {
  margin-left: auto;
  background: var(--accent);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 9px;
  min-width: 16px;
  text-align: center;
}

.channels-empty {
  padding: 12px 16px;
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

/* ── Mention popup ──────────────────────────────────────────────────────── */

.mention-popup {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: calc(100% + 4px);
  background: var(--bg-float);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.55);
  max-height: 240px;
  overflow-y: auto;
  z-index: 1200;
}
.mention-popup[hidden] { display: none !important; }

.mention-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 13px;
}

.mention-item.active,
.mention-item:hover {
  background: var(--accent-soft);
}

.mention-item-avatar {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  background: var(--accent);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  overflow: hidden;
}
.mention-item-avatar img { width: 100%; height: 100%; object-fit: cover; }

.mention-item-nick {
  color: var(--text-bright);
  font-weight: 500;
}

.mention-item-handle {
  color: var(--text-muted);
  font-size: 11px;
  margin-left: auto;
}

/* ── Composer — MessagesView inputBar ───────────────────────────────────── */

.composer {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px;
  /* Lift the input above the Android gesture bar / iOS home indicator so the
     system nav bar doesn't overlap the message box (reported 2026-07-06). */
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  background: var(--bg-chat);
  border-top: none;
}

/* plus.circle.fill attach button */
.composer-attach-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 44px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 22px;
  padding: 0;
  flex-shrink: 0;
}
.composer-attach-btn svg { display: block; }
.composer-attach-btn:hover { color: var(--text-bright); }

.composer #composerInput {
  flex: 1;
  background: var(--bg-input);
  border: none;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 16px;
  color: var(--text-bright);
  font-family: inherit;
  /* textarea: single-line by default, grows up to max-height, then scrolls.
     Height is managed in JS (autoResizeComposer). */
  resize: none;
  line-height: 1.4;
  max-height: 176px;
  overflow-y: auto;
}
.composer #composerInput::placeholder { color: var(--text-muted); }

.composer #composerInput:focus { outline: none; }

.composer #composerInput:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Send — blurple paperplane square, radius 8 (sendOrMicButton) */
.composer button[type="submit"] {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 44px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.12s;
}
.composer button[type="submit"] svg { display: block; }

.composer button[type="submit"]:hover:not(:disabled) {
  background: var(--accent-hover);
}

.composer button[type="submit"]:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Bot-lock toggle: when active, every message in the channel is routed to the
   bot (auto-@mention) until switched off. */
.composer .composer-botlock-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-input);
  color: var(--text-muted);
  border: none;
  border-radius: 8px;
  width: 44px;
  height: 44px;
  padding: 0;
  line-height: 1;
  cursor: pointer;
  opacity: 0.7;
  flex-shrink: 0;
  transition: background 0.12s, opacity 0.12s, box-shadow 0.12s;
}
.composer .composer-botlock-btn svg { display: block; }
.composer .composer-botlock-btn:hover:not(:disabled) {
  opacity: 1;
}
.composer .composer-botlock-btn[aria-pressed="true"] {
  background: var(--accent);
  color: #fff;
  opacity: 1;
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.composer .composer-botlock-btn[hidden] { display: none !important; }

.composer-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 12px 0;
  background: var(--bg-chat);
}
.composer-attachments[hidden] { display: none !important; }

.pending-attachment {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text);
}
.pending-attachment .pa-remove {
  background: none; border: none; color: var(--danger); cursor: pointer; padding: 0 2px;
  font-size: 13px;
}
/* Image attachments show a real thumbnail instead of an "image.png" chip. */
.pending-attachment.pending-image {
  position: relative;
  padding: 0;
  width: 56px;
  height: 56px;
  overflow: hidden;
}
.pending-attachment.pending-image .pa-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  display: block;
}
.pending-attachment.pending-image .pa-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 11px;
}

/* ── Drop-to-attach overlay (MessagesView dropTargeted) ─────────────────── */

.drop-overlay {
  position: absolute;
  inset: 0;
  background: rgba(88,101,242,0.18);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 800;
  pointer-events: none;
}
.drop-overlay[hidden] { display: none !important; }
.drop-overlay-inner {
  background: var(--bg-float);
  border: 1px solid var(--border);
  padding: 22px 34px;
  border-radius: 12px;
  font-size: 15px;
  color: var(--text-bright);
  font-weight: 600;
}

main.chat { position: relative; }

/* ── Attachments in messages (AttachmentGrid) ───────────────────────────── */

.attachment {
  margin-top: 6px;
  max-width: 420px;
}
.attachment video {
  max-width: 100%;
  border-radius: 8px;
  display: block;
  border: 1px solid rgba(255,255,255,0.06);
}
.attachment img {
  max-width: 100%;
  border-radius: 8px;
  display: block;
  border: 1px solid rgba(255,255,255,0.06);
}
.attachment-file {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-bright);
  font-size: 13px;
}
.attachment-file:hover { background: rgba(255,255,255,0.08); }

/* ── Typing indicator — TypingIndicator.swift ───────────────────────────── */

.jarvis-typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 16px;
  margin: 2px 0;
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: typing-bounce 1.2s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.30s; }

.typing-label { margin-left: 5px; }

@keyframes typing-bounce {
  0%, 60%, 100% { opacity: 0.35; transform: translateY(0); }
  30%           { opacity: 1;    transform: translateY(-3px); }
}

/* ── Context menu ───────────────────────────────────────────────────────── */

.ctx-menu {
  position: fixed;
  z-index: 1500;
  background: var(--bg-float);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 0;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6);
  font-size: 13px;
  user-select: none;
}

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

.ctx-menu-item {
  padding: 6px 14px;
  cursor: pointer;
  color: var(--text-bright);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.ctx-menu-item:hover {
  background: var(--accent-soft);
  color: white;
}

.ctx-menu-item.danger { color: #f37b7d; }

.ctx-menu-item.danger:hover {
  background: rgba(240,71,71,0.15);
}

.ctx-menu-separator {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.ctx-menu-hint {
  padding: 6px 14px;
  font-size: 11px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

/* ── Chat header buttons (header pills: white 4% fill, radius 5) ────────── */

.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.translate-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
}

.translate-btn:hover { background: rgba(255,255,255,0.08); }

.translate-btn.active {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.translate-icon { font-size: 13px; }

.notif-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  border: none;
  border-radius: 5px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
}

.notif-btn:hover { background: rgba(255,255,255,0.08); }

.notif-btn.on {
  background: var(--accent-soft);
}

/* ── Translation chrome ─────────────────────────────────────────────────── */

.translated-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.translated-badge {
  background: var(--accent-soft);
  color: var(--accent-hover);
  padding: 1px 6px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
}

.translated-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
  padding: 0;
  text-decoration: underline dotted;
}

.translated-toggle:hover { color: var(--text-bright); }

.translation-pending {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 2px;
}
/* Subtle "translated" marker sitting after the timestamp. Hover reveals the
   original (pre-translation) text in a small floating tooltip. */
.translated-tag {
  position: relative;
  font-size: 10px;
  color: var(--text-dim);
  opacity: 0.7;
  cursor: help;
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}
.translated-tag:hover { opacity: 1; }
.orig-tooltip {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  z-index: 50;
  width: max-content;
  max-width: 320px;
  white-space: pre-wrap;
  background: var(--bg-float);
  color: var(--text-bright);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 9px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  box-shadow: 0 4px 14px rgba(0,0,0,0.45);
  pointer-events: none;
}
.translated-tag:hover .orig-tooltip { display: block; }
/* Per-message on-demand "translate" link (sits where "translated" goes). */
.translate-link {
  font-size: 10px;
  color: var(--accent-hover);
  opacity: 0.85;
  cursor: pointer;
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}
.translate-link:hover { opacity: 1; }
.translating-tag {
  font-size: 10px;
  color: var(--text-dim);
  font-style: italic;
  opacity: 0.85;
}

/* "Translate earlier messages" — sits at the top of the message list when
   auto-translation only covered the most recent few. */
.translate-earlier-bar {
  display: flex;
  justify-content: center;
  padding: 8px 0 12px;
  position: sticky;
  top: 0;
  z-index: 5;
  background: linear-gradient(var(--bg-chat) 65%, transparent);
}
.translate-earlier-btn {
  background: var(--bg-float);
  color: var(--accent-hover);
  border: 1px solid rgba(88,101,242,0.5);
  border-radius: 14px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.translate-earlier-btn:hover:not(:disabled) {
  background: var(--accent);
  color: #fff;
}
.translate-earlier-btn:disabled { opacity: 0.5; cursor: default; }

/* ── Language switcher / sidebar buttons ────────────────────────────────── */

.lang-switcher {
  display: flex;
  gap: 4px;
  padding: 4px 12px 8px;
  border-top: 1px solid var(--border);
}

.lang-btn {
  flex: 1;
  padding: 4px 6px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.lang-btn:hover { background: rgba(255,255,255,0.04); }

.lang-btn.active {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: rgba(88,101,242,0.3);
}

.new-channel-btn {
  display: block;
  margin: 4px 10px 6px;
  padding: 6px 10px;
  background: var(--accent-soft);
  color: var(--accent-hover);
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
}

.new-channel-btn:hover { background: rgba(88,101,242,0.25); }

/* ── Modals ─────────────────────────────────────────────────────────────── */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-backdrop[hidden] { display: none !important; }

.modal {
  background: var(--bg-float);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.6);
}

.modal h2 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-bright);
}

.modal-field {
  display: block;
  margin-bottom: 16px;
}

.modal-field span {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.modal-field input[type="text"],
.modal-field input[type="password"],
.modal-field select {
  width: 100%;
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  background: var(--bg-input);
  color: var(--text-bright);
  /* Visible border so the field reads as an input — bg-input alone is nearly
     the same value as the modal background, which made the password boxes
     look invisible (reported 2026-07-04). */
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 6px;
  outline: none;
  box-sizing: border-box;
}

.modal-field input[type="text"]:focus,
.modal-field input[type="password"]:focus,
.modal-field select:focus {
  border-color: var(--accent);
}

.modal-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-bright);
  cursor: pointer;
  margin-bottom: 8px;
}
.modal-toggle input { accent-color: var(--accent); }

.modal-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding: 8px 10px;
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  border-radius: 4px;
}

.modal-hint code {
  background: rgba(0,0,0,0.3);
  padding: 1px 4px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.btn-primary, .btn-secondary {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  color: var(--text-bright);
  border-color: var(--border);
}

.btn-secondary:hover { background: rgba(255,255,255,0.05); }

.modal-error {
  margin-top: 12px;
  padding: 8px 12px;
  background: rgba(240,71,71,0.15);
  border: 1px solid rgba(240,71,71,0.3);
  border-radius: 6px;
  color: #f37b7d;
  font-size: 12px;
}

.admin-link {
  display: block;
  padding: 8px 16px;
  font-size: 12px;
  color: var(--accent-hover);
  text-decoration: none;
  border-top: 1px solid var(--border);
  background: rgba(88,101,242,0.04);
}

.admin-link:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

.admin-link:visited { color: var(--accent-hover); }

/* ── Chat pane — MessagesView ───────────────────────────────────────────── */

.chat {
  display: flex;
  flex-direction: column;
  background: var(--bg-chat);
  overflow: hidden;
}

/* Header — # 24 muted, name 19 semibold, hairline bottom */
.chat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(0,0,0,0.5);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
  font-weight: 600;
  color: var(--text-bright);
  font-size: 19px;
  background: var(--bg-chat);
  flex-shrink: 0;
}

.chat-header .hash {
  color: var(--text-muted);
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  flex-shrink: 0;
}

/* Channel name truncates instead of wrapping (narrow screens) */
#chatTitle {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 0;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* Message rows — MessageRow: avatar 36, author 16 semibold colored,
   ts 12 muted, body 15.5/1.55. No grouping (JenChat repeats every row). */
.message {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  align-items: flex-start;
}

.message:hover { background: rgba(255,255,255,0.02); }

/* Reveal animation — JenChat fades + lifts each new message (180ms) */
.message.msg-new {
  animation: msg-in 0.18s ease-out;
}
@keyframes msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-input);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  overflow: hidden;
}

.message-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* no circle crop — show the full image; the container's rounded square clips */
  border-radius: 0;
}

.message-body {
  flex: 1;
  min-width: 0;
}

.message-meta {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin-bottom: 3px;
}

.message-author {
  font-weight: 600;
  color: var(--text-bright);
  font-size: 16px;
}

.message-ts {
  font-size: 12px;
  color: var(--text-muted);
}

.message-text {
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--text);
  word-wrap: break-word;
}

.message-text code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: rgba(255,255,255,0.07);
  padding: 2px 5px;
  border-radius: 3px;
  color: var(--text-bright);
}

.message-text pre {
  font-family: var(--font-mono);
  font-size: 13px;
  background: #0f1217;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow-x: auto;
  margin: 6px 0;
}

.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

.typing-indicator {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Error banner ───────────────────────────────────────────────────────── */

.error-banner {
  position: fixed;
  top: 16px;
  right: 16px;
  background: var(--danger);
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  max-width: 320px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  z-index: 1000;
}

/* ── Auth gate (login / register) ───────────────────────────────────────── */

.auth-gate {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 999;
}

.auth-gate[hidden] { display: none; }

.auth-card {
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px 28px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.auth-brand .brand-mark { width: 36px; height: 36px; font-size: 14px; }
.auth-brand .brand-name { font-size: 20px; }

.auth-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 18px;
  background: rgba(255,255,255,0.04);
  padding: 4px;
  border-radius: 8px;
}
.auth-tab {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.auth-tab:hover { color: var(--text-bright); }
.auth-tab.active {
  background: var(--accent);
  color: white;
}

.auth-form { display: none; flex-direction: column; gap: 14px; }
.auth-form.active { display: flex; }

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.auth-form .hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-dim);
  font-size: 11px;
}
.auth-form input[type="text"],
.auth-form input[type="password"] {
  background: var(--bg-input);
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text-bright);
  font-family: inherit;
}
.auth-form input[type="text"]:focus,
.auth-form input[type="password"]:focus {
  outline: none;
  border-color: var(--accent);
}
.auth-form button[type="submit"] {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 11px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-top: 4px;
  transition: background 0.12s;
}
.auth-form button[type="submit"]:hover { background: var(--accent-hover); }
.auth-form button[type="submit"]:disabled { opacity: 0.5; cursor: wait; }

.auth-error {
  background: rgba(240,71,71,0.12);
  border: 1px solid rgba(240,71,71,0.4);
  color: #ffbaba;
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
}
.auth-error[hidden] { display: none; }

.avatar-picker { position: relative; }
.avatar-preview {
  width: 72px;
  height: 72px;
  border-radius: 10px;
  background: var(--bg-input);
  border: 1px dashed rgba(255,255,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-top: 4px;
  overflow: hidden;
  position: relative;
}
.avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.avatar-preview .avatar-fallback {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dim);
}
.avatar-picker input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ── User row in sidebar ────────────────────────────────────────────────── */

.user-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid rgba(0,0,0,0.4);
  background: var(--bg-deep);
}
.user-row[hidden] { display: none; }
.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--bg-input);
  object-fit: cover;
  flex-shrink: 0;
}
.user-meta {
  flex: 1;
  min-width: 0;
}
.user-nick {
  font-weight: 600;
  color: var(--text-bright);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-name {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.logout-btn {
  background: transparent;
  border: 0;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: 4px;
}
.logout-btn:hover {
  color: var(--danger);
  background: var(--bg-hover);
}

/* ── Responsive — sidebar visible wide (iPad landscape / desktop),
      off-canvas below 900px (iPad portrait / phone) ──────────────────────── */

.sidebar-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-bright);
  font-size: 20px;
  line-height: 1;
  padding: 0 12px 0 0;
  cursor: pointer;
}
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 90;
}
.sidebar-backdrop[hidden] { display: none; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  /* Sidebar becomes an off-canvas slide-in panel instead of vanishing. */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 82%;
    max-width: 320px;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 2px 0 16px rgba(0,0,0,0.5);
    padding-top: env(safe-area-inset-top);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle {
    display: inline-flex;
    align-items: center;
  }
  .message { padding: 10px 14px; }
  /* Push the chat header below the status bar on phones (installed PWA /
     edge-to-edge). The composer already pads for the bottom nav bar. */
  .chat-header { padding: calc(10px + env(safe-area-inset-top, 0px)) 14px 10px; }
}

/* ── Rich message renderer ──────────────────────────────────────────────── */
/* Ports the JenChat Swift MessageBodyView feature set: markdown, code blocks,
   callouts, custom ::: blocks (buttons, stat, pullquote, hero), tables. */

.md > * { margin: 6px 0; }
.md > *:first-child { margin-top: 0; }
.md > *:last-child  { margin-bottom: 0; }

/* Apple-style heading ramp (headingView): H1 hero, H2 section, H3 sub. */
.md h1 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-bright);
  margin: 8px 0 4px;
  line-height: 1.2;
}
.md h2 {
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-bright);
  margin: 24px 0 2px;
  line-height: 1.25;
}
.md h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-bright);
  margin: 12px 0 2px;
  line-height: 1.3;
}
.md h4, .md h5, .md h6 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  margin: 10px 0 2px;
}

.md p {
  margin: 4px 0;
  line-height: 1.55;
  color: var(--text);
}

.md strong { font-weight: 700; color: var(--text-bright); }
.md em     { font-style: italic; }
.md del    { text-decoration: line-through; opacity: 0.7; }
.md a      { color: var(--accent-hover); text-decoration: none; }
.md a:hover { text-decoration: underline; }

.md ul, .md ol { padding-left: 22px; margin: 4px 0; }
.md li         { margin: 2px 0; line-height: 1.55; }
.md li > p     { margin: 0; }
.md li::marker { color: var(--text-muted); }

.md blockquote {
  border-left: 3px solid rgba(133,138,148,0.6);
  padding: 2px 0 2px 12px;
  margin: 6px 0;
  color: var(--text);
}
.md blockquote p { margin: 4px 0; }

/* Inline code */
.md p code, .md li code, .md td code, .md th code, .md blockquote code {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 3px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--text-bright);
}

/* Tables — header tint, zebra rows, right-aligned numeric cols (tableView) */
.md table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  margin: 8px 0;
  border: 1px solid rgba(133,138,148,0.25);
  border-radius: 6px;
  overflow: hidden;
  font-size: 13.5px;
}
.md table thead { background: var(--bg-input); }
.md table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-bright);
  padding: 8px 10px;
  border-bottom: 1px solid rgba(133,138,148,0.18);
}
.md table td {
  padding: 6px 10px;
  color: var(--text);
  border-bottom: 1px solid rgba(133,138,148,0.12);
  vertical-align: top;
}
.md table tbody tr:nth-child(even) { background: rgba(255,255,255,0.04); }
.md table tbody tr:last-child td { border-bottom: none; }
/* Right-aligned cells get tabular-numeric monospace */
.md table th[align="right"], .md table td[align="right"] {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.md table th[align="center"], .md table td[align="center"] {
  text-align: center;
}

/* Code blocks — #0F1217 canvas, white 8% border, lang chip + copy button
   (codeBlockView + SyntaxTheme.chip) */
.code-wrap {
  position: relative;
  margin: 8px 0;
}
.code-wrap pre {
  background: #0f1217;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
}
.code-wrap pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: #ebebf0;
  font-size: inherit;
}
.code-wrap .code-lang,
.code-wrap .code-copy {
  position: absolute;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  background: #2e3038;
  color: var(--text-muted);
  border: none;
  padding: 3px 7px;
  border-radius: 4px;
}
.code-wrap .code-lang { right: 62px; text-transform: lowercase; }
.code-wrap .code-copy { right: 8px; cursor: pointer; }
.code-wrap .code-copy:hover { background: #3a3d47; color: var(--text-bright); }

/* Thematic break ornament — hairline + diamond + hairline */
.hr-ornament {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
}
.hr-ornament .hr-line {
  flex: 1;
  height: 1px;
  background: rgba(133,138,148,0.18);
}
.hr-ornament .hr-diamond {
  color: rgba(133,138,148,0.5);
  font-size: 6px;
}

/* GitHub-style callouts (calloutView): tinted bg 8%, 3px color bar, radius 6 */
.callout {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  padding: 14px;
  border-radius: 6px;
  margin: 8px 0;
  background: var(--callout-bg, rgba(87,140,242,0.08));
  border-left: 3px solid var(--callout-color, #578CF2);
}
.callout-head {
  grid-column: 1 / span 2;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--callout-color, #578CF2);
  margin-bottom: 2px;
}
.callout-icon {
  font-size: 14px;
  line-height: 1;
}
.callout-body {
  grid-column: 1 / span 2;
  font-size: 14.5px;
}
.callout-body > *:first-child { margin-top: 0; }
.callout-body > *:last-child  { margin-bottom: 0; }
.callout-note      { --callout-color: #578CF2; --callout-bg: rgba(87,140,242,0.08); }
.callout-tip       { --callout-color: #66D98C; --callout-bg: rgba(102,217,140,0.08); }
.callout-warning   { --callout-color: #F29E4C; --callout-bg: rgba(242,158,76,0.10); }
.callout-important { --callout-color: #C773F2; --callout-bg: rgba(199,115,242,0.10); }

/* Custom ::: blocks */

/* Buttons row — interactive pill buttons that send replies on click */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}
.btn-pill {
  display: inline-flex;
  align-items: center;
  font: 600 13px var(--font-base);
  color: white;
  background: linear-gradient(to bottom, var(--accent-hover), var(--accent));
  border: 1px solid rgba(255,255,255,0.15);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.05s, opacity 0.15s;
}
.btn-pill:hover  { transform: translateY(-1px); }
.btn-pill:active { transform: translateY(0); }
.btn-pill:disabled,
.btn-pill.sending {
  opacity: 0.55;
  cursor: default;
  transform: none;
}

/* Stat / KPI block — 46px heavy value, uppercase caption (statBlockView) */
.stat-block {
  padding: 8px 0;
  margin: 6px 0;
}
.stat-value {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-bright);
  line-height: 1.05;
}
.stat-caption {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}
.stat-block.tint-green  .stat-value { color: #B8E88C; }
.stat-block.tint-amber  .stat-value,
.stat-block.tint-warn   .stat-value { color: #F29E4C; }
.stat-block.tint-red    .stat-value { color: #F37272; }
.stat-block.tint-blue   .stat-value { color: #578CF2; }
.stat-block.tint-purple .stat-value { color: #C773F2; }

/* Pull quote — 19px italic medium, accent left bar (pullQuoteView) */
.pullquote {
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 14px;
  margin: 8px 0;
  font-size: 19px;
  font-weight: 500;
  font-style: italic;
  color: var(--text-bright);
  line-height: 1.45;
}

/* Hero block — banner + gradient overlay + title bottom-left (heroBlockView) */
.hero-block {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 240px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-input);
  margin: 8px 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 18px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), rgba(0,0,0,0.15) 65%, transparent);
  color: white;
}
.hero-title {
  font-size: 27px;
  font-weight: 800;
  letter-spacing: -0.4px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.hero-sub {
  font-size: 13px;
  font-weight: 500;
  margin-top: 2px;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Unknown ::: kind — render as faint monospace placeholder */
.unknown-block {
  background: rgba(255,255,255,0.03);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 4px;
  white-space: pre-wrap;
}

/* ── Scrollbars ──────────────────────────────────────────────────────────────
   Chrome/Windows render classic scrollbars (wide, light) which glare against
   the dark theme; macOS overlay scrollbars never showed the problem. Style
   them thin + dark everywhere, matching the JenChat feel. */
* {
  scrollbar-width: thin;            /* Firefox */
  scrollbar-color: #2e2e36 transparent;
}
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #2e2e36;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3d3d47;
}
::-webkit-scrollbar-corner {
  background: transparent;
}

/* mention chips + readable message links (2026-07-02) */
.mention-chip{color:#7cb0ff;background:rgba(91,155,255,.14);border-radius:5px;padding:0 4px;font-weight:600}
.mention-chip.me{color:#fbbf24;background:rgba(251,191,36,.16)}
.message-text a{color:#7cb0ff;text-decoration-color:rgba(124,176,255,.5)}
.message-text a:visited{color:#7cb0ff}
.message-text a:hover{color:#a3c8ff}


/* ══════════════════ Slack dark retheme (2026-07-02) ══════════════════
   Overrides layered on top of the JenChat theme, per Zi's reference. */
:root {
  --bg-deep: #19171d; --bg-mid: #19171d; --bg-chat: #1a1d21;
  --bg-input: #222529; --bg-float: #222529;
  --border: rgba(255,255,255,0.09);
  --bg-hover: rgba(255,255,255,0.05); --bg-active: #1164a3;
  --text-bright: #ffffff; --text: #d1d2d3; --text-muted: #a3a6ab;
  --ch-row: #a3a6ab; --ch-row-dim: #7d8087;
  --accent: #1d9bd1; --accent-hover: #3fb2e3; --accent-soft: rgba(29,155,209,0.15);
}
body, .app { background: var(--bg-chat); }
.sidebar { background: var(--bg-deep); border-right: 1px solid rgba(0,0,0,.35); }
.brand { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.06); }
.brand .brand-name { font-size: 15.5px; font-weight: 900; color: #fff; }
.brand .brand-sub { color: var(--text-muted); }

/* channel rows — Slack rhythm */
.channel { padding: 4px 10px; border-radius: 6px; margin: 0 8px; color: var(--ch-row); font-size: 14px; gap: 8px; }
.channel:hover { background: rgba(255,255,255,.055); }
.channel.active { background: var(--bg-active); color: #fff; }
.channel.active .ch-hash, .channel.active .ch-name { color: #fff; }
.channel.unread .ch-name { color: #fff; font-weight: 700; }
.ch-unread-badge { background: #e01e5a; color: #fff; font-size: 10.5px; font-weight: 700; border-radius: 9px; padding: 1px 7px; }
.channel-section-title { color: var(--text-muted); font-size: 13px; font-weight: 500; text-transform: none; letter-spacing: 0; padding: 14px 18px 4px; }

/* presence dots on user DMs */
.ch-presence { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid #949494; flex: 0 0 auto; display: inline-block; }
.ch-presence.online { background: #2bac76; border-color: #2bac76; }

/* messages — tight Slack density, square avatars, white names */
.messages { background: var(--bg-chat); }
.message { padding: 3px 20px; border-radius: 0; }
.message:hover { background: rgba(255,255,255,.03); }
.message.grouped { margin-top: -2px; }
.message-avatar { width: 36px; height: 36px; border-radius: 6px; }
.message-avatar.spacer { background: transparent !important; height: 1px; }
.message-author { color: var(--text-bright) !important; font-weight: 800; font-size: 14.5px; }
.message-ts { color: var(--text-muted); font-size: 11.5px; }

/* date divider */
.day-divider { display: flex; align-items: center; text-align: center; margin: 14px 20px 8px; color: var(--text-muted); }
.day-divider::before, .day-divider::after { content: ''; flex: 1; border-top: 1px solid rgba(255,255,255,.09); }
.day-divider-label { font-size: 12.5px; font-weight: 700; color: #d1d2d3; padding: 3px 12px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; margin: 0 8px; background: var(--bg-chat); }

/* chat header */
.chat-header { background: var(--bg-chat); border-bottom: 1px solid rgba(255,255,255,.09); font-weight: 900; }
.chat-header .hash { color: var(--text-muted); }

/* composer — bordered rounded box like Slack */
.composer { margin: 4px 20px 18px; border: 1px solid #565856; border-radius: 8px; background: var(--bg-chat); padding: 6px 8px; }
.composer:focus-within { border-color: #a3a6ab; }
.composer textarea { background: transparent; border: none; }
.composer .composer-attach-btn { color: var(--text-muted); }

/* mention chips echo Slack's blue highlight */
.mention-chip { color: #1d9bd1; background: rgba(29,155,209,.16); }
.mention-chip.me { color: #f2c744; background: rgba(242,199,68,.18); }

/* grouped rows: no repeated name/time; tiny hover timestamp in the gutter */
.message.grouped .message-meta { display: none; }
.message.grouped .message-avatar.spacer { position: relative; height: auto; align-self: stretch; }
.message.grouped .message-avatar.spacer::after { content: attr(data-ts); position: absolute; right: 0; top: 2px; font-size: 10px; color: var(--text-muted); opacity: 0; white-space: nowrap; }
.message.grouped:hover .message-avatar.spacer::after { opacity: 1; }

/* emoji avatar presets (2026-07-03) */
.emoji-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 6px; margin: 10px 0 4px; }
.emoji-grid.compact { grid-template-columns: repeat(9, 1fr); margin: 10px 0 0; }
.emoji-choice { font-size: 20px; line-height: 1; padding: 6px 0; background: var(--bg-input); border: 1px solid transparent; border-radius: 8px; cursor: pointer; }
.emoji-choice:hover { border-color: var(--border); background: var(--bg-hover); }
.emoji-choice.sel { border-color: var(--accent); background: var(--accent-soft); }
/* speech bubbles — both sides, shrink-to-fit (2026-07-03) */
.message-text {
  display: inline-block;
  width: fit-content;
  max-width: 68%;
  padding: 7px 12px;
  border-radius: 4px 14px 14px 14px;   /* received: notch top-left */
  background: #26292d;
  color: var(--text);
}
.message.agent .message-text { background: #2b2f36; }
.message-text pre,
.message-text img { max-width: 100%; }

/* own messages: right side, blue bubble */
.message.mine { flex-direction: row-reverse; }
.message.mine .message-body { display: flex; flex-direction: column; align-items: flex-end; }
.message.mine .message-meta { flex-direction: row-reverse; }
.message.mine .message-author { display: none; }
.message.mine .message-text {
  background: #1164a3;
  color: #fff;
  border-radius: 14px 4px 14px 14px;   /* mine: notch top-right */
}
/* grouped bubbles drop the notch so a stack reads as one column */
.message.grouped .message-text { border-radius: 14px; }
.message.mine .message-text a { color: #cfe3ff; }
.message-text code { background: rgba(0,0,0,.22); }
.message.mine .message-text code { background: rgba(0,0,0,.28); }
.message.mine .message-avatar.spacer::after { right: auto; left: 0; }
.message.mine .mention-chip { background: rgba(255,255,255,.2); color: #fff; }
@media (max-width: 700px) { .message-text { max-width: 82%; } }

/* tighter bubble rhythm (2026-07-03) */
.message { padding-top: 1px; padding-bottom: 1px; align-items: flex-start; }
.message.grouped { margin-top: 1px; }
.message-body { gap: 1px; }
.message-meta { margin-bottom: 1px; line-height: 1.1; }
.message-text { padding: 5px 11px; line-height: 1.34; }
/* consecutive bubbles from the same person hug each other */
.message.grouped .message-text { margin-top: 0; }

/* bubble internal padding correction (2026-07-03) */
.message { padding-top: 3px; padding-bottom: 3px; }   /* restore row rhythm */
.message.grouped { margin-top: 2px; }
.message-body { gap: 2px; }
.message-text { padding-top: 2px; padding-bottom: 2px; padding-left: 11px; padding-right: 11px; line-height: 1.3; }

/* bubble internal padding v2 — even tighter top/bottom (2026-07-03) */
.message-text { padding-top: 0px; padding-bottom: 1px; line-height: 1.28; }
.message-text p { margin: 0; }
.message-text p + p { margin-top: 4px; }

/* bubble padding split-difference (2026-07-03) */
.message-text { padding-top: 1px; padding-bottom: 2px; line-height: 1.3; }

/* both bubbles grey + roomier padding (2026-07-03) */
.message-text { background: #26292d; color: var(--text); padding: 6px 12px; line-height: 1.38; }
.message.mine .message-text { background: #26292d; color: var(--text); }
.message.agent .message-text { background: #2b2f36; }
.message.mine .message-text a { color: #7cb0ff; }
.message.mine .mention-chip { color: #1d9bd1; background: rgba(29,155,209,.16); }
.message.mine .message-text code { background: rgba(0,0,0,.22); }

/* image lightbox (2026-07-03) */
.lightbox { position: fixed; inset: 0; z-index: 3000; background: rgba(0,0,0,.9); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.lightbox img { max-width: 92vw; max-height: 92vh; user-select: none; transition: transform .04s linear; will-change: transform; }
/* archived channel rows read dimmed */
.channel.archived { opacity: .55; }
.channel.archived:hover { opacity: .8; }
/* show-archived toggle */
.show-archived-btn { display: block; width: calc(100% - 16px); margin: 2px 8px 6px; padding: 5px 10px; background: transparent; border: 1px solid var(--line); border-radius: 7px; color: var(--text-muted); font: inherit; font-size: 12px; cursor: pointer; text-align: left; }
.show-archived-btn:hover { background: var(--bg-hover); color: var(--text); }
.show-archived-btn.on { color: var(--accent); border-color: var(--accent); }

/* real icons in sidebar links (2026-07-03) */
.admin-link { display: flex; align-items: center; gap: 8px; }
.admin-link svg { flex: 0 0 auto; opacity: .85; }
.notif-icon svg, .translate-icon svg { display: block; }

/* ── Message search results (sidebar) ──────────────────────────────────────
   Populated by renderSearchResults() when the search box has a 2+ char query.
   Sits directly under the channel list; each row jumps to the message. */
.search-results {
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding: 6px 8px 10px;
  overflow-y: auto;
}
.search-results-head {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 4px 6px 8px;
}
.search-result {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  padding: 7px 9px;
  margin-bottom: 2px;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-base);
}
.search-result:hover { background: var(--bg-hover); }
.search-result .sr-channel {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ch-row);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-result .sr-line {
  font-size: 12.5px;
  line-height: 1.35;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.search-result .sr-author { color: var(--text); font-weight: 600; }
.search-result mark {
  background: rgba(245,181,69,0.32);
  color: var(--text-bright);
  border-radius: 3px;
  padding: 0 1px;
}

/* Brief highlight on a message you jumped to from search results. */
@keyframes searchFlash {
  0%   { background: rgba(245,181,69,0.32); }
  100% { background: transparent; }
}
.message.search-flash {
  animation: searchFlash 2.2s ease-out;
  border-radius: var(--radius);
}
@media (prefers-reduced-motion: reduce) {
  .message.search-flash { animation: none; background: rgba(245,181,69,0.18); }
}

/* ── "Get the app" install section (profile modal) ───────────────────────── */
.install-section {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.install-app-btn {
  align-self: flex-start;
  cursor: pointer;
}
.install-hint {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--text-muted);
}
.install-hint strong { color: var(--text); font-weight: 600; }
.install-hint code {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text);
}

/* ── Press-and-hold language peek tabs (per message) ─────────────────────── */
.lang-peek-tabs {
  display: flex;
  gap: 4px;
  margin-top: 5px;
  opacity: 0;
  transition: opacity 0.12s ease;
}
.message:hover .lang-peek-tabs { opacity: 1; }
.message.mine .lang-peek-tabs { justify-content: flex-end; }
.lang-peek-tab {
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  padding: 3px 7px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;         /* press-and-hold must not scroll the list on touch */
  font-family: var(--font-base);
}
.lang-peek-tab:hover { color: var(--text); border-color: rgba(255,255,255,0.18); }
.lang-peek-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.lang-peek-tab.loading { opacity: 0.55; }
/* Touch devices can't hover, so keep the tabs faintly visible for discovery. */
@media (hover: none) {
  .lang-peek-tabs { opacity: 0.5; }
}

/* Version line in the profile "Get the app" section (native APK + web build). */
.app-version-line {
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding: 2px 0 4px;
}

/* ── Video attachments ──────────────────────────────────────────────────── */
.attachment-video {
  max-width: min(360px, 100%);
  max-height: 360px;
  border-radius: 8px;
  display: block;
  background: #000;
}
/* Video thumbnail in the composer pending row uses the same 56px chip as images. */
.pending-attachment.pending-image video.pa-thumb {
  object-fit: cover;
  background: #000;
}
.pending-attachment .pa-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 15px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.75);
  pointer-events: none;
}

/* ── Video captions (CC) control ────────────────────────────────────────── */
.video-wrap { position: relative; display: inline-block; max-width: min(360px, 100%); }
.video-wrap .attachment-video { max-width: 100%; }
.cc-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  cursor: pointer;
  font-family: var(--font-base);
}
.cc-btn.on { background: var(--accent); border-color: var(--accent); }
.cc-btn.busy { opacity: 0.7; }
.cc-menu {
  position: absolute;
  top: 34px;
  right: 8px;
  background: var(--bg-float);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  z-index: 30;
  min-width: 130px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.cc-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 5px;
  color: var(--text);
  font-size: 13px;
  padding: 7px 10px;
  cursor: pointer;
  font-family: var(--font-base);
}
.cc-item:hover { background: var(--bg-hover); }
.cc-note { font-size: 11.5px; color: var(--text-muted); padding: 6px 10px 4px; }
/* Caption cue readability */
.attachment-video::cue { background: rgba(0,0,0,0.75); font-size: 15px; }

/* ── Upload progress chip ───────────────────────────────────────────────── */
.pending-attachment.pa-uploading {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 220px;
  position: relative;
  overflow: hidden;
}
.pa-upname {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}
.pa-pct { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }
.pa-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: rgba(255,255,255,0.08);
}
.pa-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.15s linear;
}

/* ── Fullscreen video (wrapper-level, keeps CC controls usable) ─────────── */
.fs-btn { right: 54px; font-size: 13px; padding: 2px 8px; }
.video-wrap:fullscreen {
  max-width: none;
  width: 100%;
  height: 100%;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-wrap:fullscreen .attachment-video {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  border-radius: 0;
}
.video-wrap:fullscreen .cc-btn { top: 16px; right: 16px; font-size: 14px; padding: 6px 12px; }
.video-wrap:fullscreen .fs-btn { right: 92px; }
.video-wrap:fullscreen .cc-menu { top: 52px; right: 16px; min-width: 170px; }
.video-wrap:fullscreen .cc-item { font-size: 15px; padding: 9px 12px; }
/* Caption size: comfortable inline, notably larger in fullscreen. */
.attachment-video::cue { background: rgba(0,0,0,0.75); font-size: 16px; }
.video-wrap:fullscreen .attachment-video::cue { font-size: 30px; line-height: 1.35; }

/* One fullscreen button only: hide the native control (Chromium uses the
   controlsList attribute; WebKit/Safari needs this pseudo-element). Our ⛶
   wrapper-fullscreen button is the working one (keeps CC controls visible). */
.attachment-video::-webkit-media-controls-fullscreen-button { display: none !important; }

/* Caption-generation progress pill (bottom-center of the player) */
.cc-progress {
  position: absolute;
  left: 50%;
  bottom: 52px;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.78);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  font-size: 12px;
  padding: 6px 14px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 25;
}
.video-wrap:fullscreen .cc-progress { font-size: 16px; bottom: 90px; }

/* ── Channel doc (shared editable notes per channel) ────────────────────── */
.doc-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-base);
}
.doc-btn:hover { color: var(--text-bright); background: rgba(255,255,255,0.08); }
.doc-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  display: flex;
  justify-content: flex-end;
}
.doc-panel {
  width: min(560px, 100%);
  height: 100%;
  background: var(--bg-float);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(0,0,0,0.45);
}
.doc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.doc-title { font-size: 15px; font-weight: 700; color: var(--text-bright);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-head-btns { display: flex; gap: 8px; align-items: center; }
.doc-edit-btn { font-size: 12.5px; padding: 6px 14px; }
.doc-close {
  background: none; border: none; color: var(--text-muted); font-size: 17px;
  cursor: pointer; padding: 2px 6px;
}
.doc-close:hover { color: var(--text-bright); }
.doc-body { flex: 1; overflow-y: auto; padding: 16px 18px; }
.doc-body a { color: var(--accent-hover); }
.doc-empty { color: var(--text-muted); font-size: 13.5px; padding: 22px 18px; line-height: 1.5; }
.doc-foot {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11.5px;
  flex-shrink: 0;
}
.doc-textarea {
  flex: 1;
  margin: 12px 16px;
  background: var(--bg-input);
  color: var(--text-bright);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13.5px;
  font-family: var(--font-mono);
  line-height: 1.55;
  resize: none;
  outline: none;
}
.doc-textarea:focus { border-color: var(--accent); }
@media (max-width: 900px) {
  .doc-panel { width: 100%; border-left: none; padding-top: env(safe-area-inset-top, 0px); }
  .doc-btn .doc-label { display: none; }
}

/* ── Download-apps popup ────────────────────────────────────────────────── */
.dl-modal { max-width: 460px; }
.dl-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
}
.dl-row.mine { border-color: var(--accent); background: var(--accent-soft); }
.dl-ic { font-size: 20px; flex-shrink: 0; }
.dl-tx { flex: 1; min-width: 0; }
.dl-nm { font-size: 13.5px; font-weight: 700; color: var(--text-bright); }
.dl-nt { font-size: 11.5px; color: var(--text-muted); line-height: 1.4; margin-top: 2px; }
.dl-go { font-size: 12px; padding: 7px 14px; text-decoration: none; white-space: nowrap; flex-shrink: 0; }
.dl-ic { display: flex; align-items: center; justify-content: center; width: 24px; color: var(--text); }

/* "Keep me signed in" — checkbox inline BESIDE its text (auth-form labels
   otherwise stack their contents vertically with uppercase styling). */
.auth-form label.remember-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin: 2px 0 12px;
  cursor: pointer;
}
.auth-form label.remember-row span {
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
  font-weight: 400;
  color: var(--text);
  margin: 0;
}
.auth-form label.remember-row input[type="checkbox"] {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

/* ── Inline message editing (no popup) ──────────────────────────────────── */
.inline-edit { margin-top: 4px; }
.inline-edit-ta {
  width: 100%;
  max-width: 640px;
  background: var(--bg-input);
  color: var(--text-bright);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 15px;
  font-family: inherit;
  line-height: 1.4;
  resize: vertical;
  outline: none;
}
.inline-edit-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.inline-edit-btn { font-size: 12px; padding: 6px 14px; }
.inline-edit-hint { font-size: 11px; color: var(--text-dim); }

/* ── Translation language dropdown ──────────────────────────────────────── */
.tr-menu {
  position: fixed;
  background: var(--bg-float);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  z-index: 2200;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.tr-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 5px;
  color: var(--text);
  font-size: 13px;
  padding: 8px 11px;
  cursor: pointer;
  font-family: var(--font-base);
}
.tr-item:hover { background: var(--bg-hover); }
.tr-item.active { color: var(--accent-hover); font-weight: 700; }

/* ============ LIGHT MODE (html.light) — user preference, 2026-07-15 ============ */
html.light {
  --bg-deep:#f6f6f8; --bg-mid:#f6f6f8; --bg-chat:#ffffff;
  --bg-input:#f0f0f3; --bg-float:#ffffff; --bg-panel:#f6f6f8;
  --bg-hover:rgba(0,0,0,0.05); --bg-active:#1164a3;
  --border:rgba(0,0,0,0.12);
  --text-bright:#1d1c1d; --text:#2b2b2e; --text-muted:#6b6f76; --text-dim:#9a9ea6;
  --ch-row:#4a4d55; --ch-row-dim:#8b8e95;
  --accent:#1d9bd1; --accent-hover:#1787b8; --accent-soft:rgba(29,155,209,0.12);
  color-scheme: light;
}
html.light .sidebar { border-right:1px solid rgba(0,0,0,.12); }
html.light .brand { border-bottom:1px solid rgba(0,0,0,.08); }
html.light .brand .brand-name { color:#1d1c1d; }
html.light .channel:hover { background:rgba(0,0,0,.05); }
html.light .channel.unread .ch-name { color:#1d1c1d; }
html.light .message:hover { background:rgba(0,0,0,.03); }
html.light .day-divider::before, html.light .day-divider::after { border-top-color:rgba(0,0,0,.10); }
html.light .day-divider-label { color:#6b6f76; border-color:rgba(0,0,0,.14); }
html.light .chat-header { border-bottom:1px solid rgba(0,0,0,.10); }
html.light .doc-btn, html.light .translate-btn, html.light .notif-btn { background:rgba(0,0,0,.04); }
html.light .doc-btn:hover, html.light .translate-btn:hover, html.light .notif-btn:hover,
html.light .attachment-file:hover { background:rgba(0,0,0,.07); }
html.light .btn-secondary:hover, html.light .lang-btn:hover { background:rgba(0,0,0,.04); }
html.light .md table tbody tr:nth-child(even) { background:rgba(0,0,0,.03); }
html.light .md code, html.light .md pre { background:rgba(0,0,0,.05); border-color:rgba(0,0,0,.10); }
html.light .hero-sub { color:rgba(0,0,0,.72); }
html.light .ch-presence { border-color:#9a9a9a; }
html.light .ch-sort-toggle button.active { color:#1d1c1d; }
html.light .tr-menu { box-shadow:0 8px 24px rgba(0,0,0,.16); }
html.light .message .msg-time { color:var(--text-dim); }

/* light mode: message bubbles + code + scrollbars (fix 2026-07-15, Zi report) */
html.light .message-text,
html.light .message.mine .message-text { background: #eef0f3; color: var(--text); }
html.light .message.agent .message-text { background: #e8edf3; }
html.light .message-text code,
html.light .message.mine .message-text code { background: rgba(0,0,0,.08); }
html.light .message.mine .message-text a { color: #1264a3; }
html.light .message-text pre,
html.light .code-wrap pre { background: #f4f5f7; border: 1px solid rgba(0,0,0,.10); color: #24292f; }
html.light * { scrollbar-color: #c3c6cc transparent; }
html.light ::-webkit-scrollbar-thumb { background: #c3c6cc; }

/* light mode: QC sweep fixes (2026-07-15) */
html.light .modal-field input[type="text"],
html.light .modal-field input[type="password"],
html.light .modal-field select { border-color: rgba(0,0,0,.20); }
html.light .chat-header { border-bottom: 1px solid rgba(0,0,0,.10); box-shadow: none; }
html.light .avatar-preview { border-color: rgba(0,0,0,.22); }
html.light .mention-chip { color: #1264a3; background: rgba(18,100,163,.10); }
html.light .mention-chip.me { color: #8a5a00; background: rgba(251,191,36,.22); }
html.light .message-text a, html.light .message-text a:visited { color: #1264a3; text-decoration-color: rgba(18,100,163,.4); }
html.light .md p code, html.light .md li code, html.light .md td code,
html.light .md th code, html.light .md blockquote code { background: rgba(0,0,0,.06); border-color: rgba(0,0,0,.08); }
html.light .ctx-menu, html.light .tr-menu, html.light .cc-menu, html.light .auth-card,
html.light .doc-panel { box-shadow: 0 8px 24px rgba(0,0,0,.16); }

/* emoji + meme picker (2026-07-15) */
.emoji-picker { position: fixed; z-index: 2500; background: var(--bg-float); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: 0 12px 32px rgba(0,0,0,.5); display: flex; flex-direction: column;
  max-height: min(420px, 60vh); overflow: hidden; }
html.light .emoji-picker { box-shadow: 0 12px 32px rgba(0,0,0,.18); }
.ep-tabs { display: flex; gap: 2px; padding: 8px 8px 0; }
.ep-tabs button { flex: 1; background: transparent; border: none; color: var(--text-muted); font: 600 13px var(--font-base);
  padding: 7px 0; cursor: pointer; border-radius: 7px 7px 0 0; border-bottom: 2px solid transparent; }
.ep-tabs button.active { color: var(--text-bright); border-bottom-color: var(--accent); }
.ep-search { margin: 8px 10px 2px; padding: 7px 10px; background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 7px; color: var(--text-bright); font: 13.5px var(--font-base); outline: none; }
.ep-body { overflow-y: auto; padding: 6px 10px 12px; }
.ep-cat { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-muted); padding: 10px 2px 4px; }
.ep-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(36px, 1fr)); }
.ep-e { background: transparent; border: none; font-size: 22px; line-height: 1; padding: 6px 0; cursor: pointer; border-radius: 6px; }
.ep-e:hover { background: var(--bg-hover); }
.ep-loading { color: var(--text-muted); font-size: 13.5px; padding: 18px 6px; text-align: center; }
.meme-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding-top: 8px; }
.meme-card { background: var(--bg-input); border: 1px solid var(--border); border-radius: 8px; padding: 0 0 4px;
  cursor: pointer; overflow: hidden; display: flex; flex-direction: column; gap: 4px; }
.meme-card img { width: 100%; height: 92px; object-fit: cover; display: block; background: #202226; }
html.light .meme-card img { background: #e8eaee; }
.meme-card span { font-size: 11px; color: var(--text-muted); padding: 0 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meme-card:hover { border-color: var(--accent); }

/* shell version line in the download popup (2026-07-15) */
.dl-shell-line { font-size: 12.5px; color: var(--text-muted); margin: -4px 0 10px; }
.dl-shell-line.dl-shell-old { color: #f0a742; font-weight: 600; }

/* sidebar version line (2026-07-15) */
.sidebar-version { font-size: 10.5px; color: var(--text-dim); padding: 6px 18px calc(env(safe-area-inset-bottom, 0px) + 8px); flex: none; }
.sidebar-version.sv-old { color: #f0a742; font-weight: 700; }

/* light mode: context-menu hover kept white text on a pale hover bg (2026-07-15) */
html.light .ctx-menu-item:hover { color: var(--text-bright); }
html.light .ctx-menu-item.danger { color: #c53030; }
html.light .ctx-menu-item.danger:hover { background: rgba(197,48,48,0.10); }

/* outdated-shell banner (2026-07-15) */
.shell-update-banner { position: fixed; top: 0; left: 0; right: 0; z-index: 4000; background: #b3261e; color: #fff;
  display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap;
  padding: 9px 16px; font-size: 13.5px; font-weight: 600; }
.shell-update-link { color: #fff; background: rgba(255,255,255,.18); padding: 4px 14px; border-radius: 6px;
  text-decoration: none; font-weight: 700; }
.shell-update-link:hover { background: rgba(255,255,255,.3); }
.shell-update-how { font-weight: 400; opacity: .85; font-size: 12.5px; }

/* tighter composer buttons (Zi 2026-07-16): emoji + attach share a compact cluster */
.composer-attach-btn { width: 28px; }
#emojiBtn { margin-right: -6px; }

/* image annotation (2026-07-16) */
.lb-btn { background: rgba(255,255,255,.14); color: #fff; border: none; border-radius: 8px;
  padding: 8px 16px; font: 600 13.5px var(--font-base); cursor: pointer; }
.lb-btn:hover { background: rgba(255,255,255,.24); }
.lb-btn.active { background: var(--accent); }
.lb-btn:disabled { opacity: .5; }
.lb-edit { position: absolute; top: 18px; right: 18px; }
.ann-wrap { max-width: 92vw; max-height: 80vh; display: flex; align-items: center; justify-content: center; }
.ann-canvas { max-width: 92vw; max-height: 80vh; touch-action: none; cursor: crosshair;
  border-radius: 6px; box-shadow: 0 8px 40px rgba(0,0,0,.5); }
.ann-bar { position: absolute; bottom: calc(env(safe-area-inset-bottom, 0px) + 16px); left: 50%;
  transform: translateX(-50%); display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  justify-content: center; background: rgba(20,20,24,.92); padding: 10px 14px; border-radius: 12px;
  max-width: 94vw; }
.ann-swatches { display: flex; gap: 6px; padding: 0 4px; }
.ann-swatch { width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; }
.ann-swatch.active { border-color: #fff; box-shadow: 0 0 0 2px rgba(255,255,255,.35); }
.ann-size { min-width: 40px; }
.ann-save { background: #2f9e44; }
.ann-save:hover { background: #37b24d; }
.ann-textinput { position: fixed; z-index: 3100; background: rgba(0,0,0,.55); border: 1.5px dashed rgba(255,255,255,.6);
  border-radius: 6px; padding: 4px 8px; font-weight: 700; outline: none; min-width: 160px; }

/* long menus scroll (ping picker has 27 entries) */
.tr-menu { max-height: min(62vh, 560px); overflow-y: auto; }

/* doc attachments (2026-07-17) */
.doc-att-title { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-muted); padding: 14px 20px 6px; }
.doc-atts { display: flex; flex-wrap: wrap; gap: 10px; padding: 0 20px 10px; }
.doc-att { position: relative; }
.doc-att-img img { width: 108px; height: 82px; object-fit: cover; border-radius: 8px; cursor: zoom-in;
  border: 1px solid var(--border); display: block; }
.doc-att-file { display: flex; align-items: center; gap: 8px; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; color: var(--text);
  font: 13px var(--font-base); cursor: pointer; max-width: 240px; }
.doc-att-file span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-att-file:hover { border-color: var(--accent); }
.doc-att-rm { position: absolute; top: -7px; right: -7px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--danger); color: #fff; border: none; font-size: 11px; cursor: pointer; line-height: 1; }
.doc-att-add { background: transparent; border: 1.5px dashed var(--border); border-radius: 8px;
  color: var(--text-muted); padding: 9px 14px; font: 600 13px var(--font-base); cursor: pointer; }
.doc-att-add:hover { color: var(--accent); border-color: var(--accent); }
.doc-att-uploading { color: var(--text-muted); font-size: 12.5px; padding: 9px 4px; }
.pdf-overlay { position: fixed; inset: 0; z-index: 3200; background: rgba(0,0,0,.85);
  display: flex; align-items: center; justify-content: center; }
.pdf-overlay iframe { width: min(920px, 94vw); height: 92vh; border: none; border-radius: 8px; background: #fff; }
.pdf-close { position: absolute; top: 14px; right: 16px; }