/* Shared community surfaces. Uses the semantic tokens in theme.css.
   Existing IDs, navigation, form order and the message data flow are preserved.
   Surface layers: application 0, mobile navigation 7, modal 10, toast 20,
   persona dialog 30 (the values follow the existing application layer scale). */

/* Messages: persistent master/detail above 680px, one pane below it. */
.app-shell.mode-messages {
  grid-template-columns: 72px 290px minmax(0, 1fr);
}
.sidebar {
  background: var(--surface);
  color: var(--ink);
  border-right-color: var(--line);
}
.sidebar-header {
  align-items: center;
  gap: 12px;
  padding: 28px 22px 24px;
}
.sidebar .eyebrow {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .06em;
}
.sidebar h1 {
  color: var(--ink);
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -.045em;
}
.header-spark { color: var(--accent); }
.add-button {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-ink);
}
.add-button:hover { background: #2f2ad7; }
.search-wrap {
  height: 48px;
  margin: 0 18px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--canvas);
  color: var(--muted);
}
.search-wrap:focus-within { border-color: var(--accent); }
.search-wrap input {
  min-width: 0;
  color: var(--ink);
  font-size: 16px;
}
.search-wrap input::placeholder { color: var(--muted); }
.sidebar-label {
  margin: 25px 22px 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .025em;
}
.conversation-list {
  min-height: 0;
  padding: 0 10px;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.conversation-item {
  min-height: 84px;
  padding: 14px 12px;
  gap: 11px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  color: var(--ink);
}
.conversation-item:hover { background: var(--surface-soft); }
.conversation-item.selected {
  padding-left: 12px;
  border: 1px solid #ceccfb;
  background: #eeeef9;
}
.conversation-avatar,
.conversation-avatar.group {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--surface-raised);
  color: var(--accent);
}
.conversation-avatar.group {
  background: var(--accent);
  color: var(--accent-ink);
}
.conversation-top strong { font-size: 14px; }
.conversation-top time {
  color: var(--muted);
  font-size: 12px;
}
.conversation-preview {
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}
.unread-badge {
  min-width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 12px;
}
.sidebar-empty {
  margin: 28px 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}
.discover-section {
  padding: 6px 0 18px;
  border-top-color: var(--line);
}
.discover-section .sidebar-label { margin-top: 13px; }
.discover-item {
  width: calc(100% - 32px);
  min-height: 80px;
  padding: 13px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft);
  color: var(--ink);
}
.discover-item:hover {
  border-color: #ceccfb;
  background: #eeeef9;
}
.discover-icon {
  width: 43px;
  height: 43px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
}
.discover-copy strong { font-size: 14px; }
.discover-copy small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.discover-arrow { color: var(--accent); }
.sidebar-footer {
  padding: 17px 18px;
  border-top-color: var(--line);
  background: var(--surface);
}
.my-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--surface-raised);
  color: var(--accent);
}
.my-details strong { font-size: 13px; }
.my-details span {
  color: var(--muted);
  font-size: 12px;
}
.plain-icon {
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: var(--radius-control);
  color: var(--muted);
}
.plain-icon:hover {
  background: var(--surface-raised);
  color: var(--ink);
}

/* A real, existing character asset replaces the former CSS mountain scene. */
.empty-state {
  overflow-y: auto;
  padding: 24px;
  background: var(--surface);
  color: var(--ink);
}
.empty-state .landscape {
  flex: none;
  width: 210px;
  height: 220px;
  margin-bottom: 16px;
  border-radius: 0;
  background: none;
}
.empty-state .landscape > img { display: block; width: 100%; height: 100%; object-fit: contain; }
.empty-kicker {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
}
.empty-state h2 {
  margin: 13px 0;
  color: var(--ink);
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.22;
  letter-spacing: -.05em;
}
.empty-description {
  max-width: 34ch;
  margin: 3px 0 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.primary-button {
  min-height: 48px;
  padding: 12px 20px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 14px;
  white-space: nowrap;
}
.primary-button:hover { background: #2f2ad7; }
.text-button {
  min-height: 44px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.text-button:hover { color: var(--ink); }

.chat {
  min-width: 0;
  min-height: 0;
  background: var(--surface);
  color: var(--ink);
}
.chat-header {
  min-height: 88px;
  padding: 17px 26px;
  border-bottom-color: var(--line);
  background: var(--surface);
}
.chat-heading { min-width: 0; }
.chat-heading h2 {
  color: var(--ink);
  font-size: 19px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.chat-heading p {
  color: var(--muted);
  font-size: 12px;
}
.chat-info-button,
.back-button {
  flex: none;
  width: 44px;
  height: 44px;
  border-color: var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--ink);
}
.chat-info-button:hover,
.back-button:hover { border-color: var(--accent); }
.message-scroll {
  padding: 24px clamp(18px, 4vw, 38px) 16px;
  background: var(--surface);
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.messages { gap: 20px; }
.day-divider {
  margin: 8px 0;
  color: var(--muted);
  font-size: 12px;
}
.message-row { max-width: 90%; }
.message-avatar,
.message-row.own .message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface-raised);
  color: var(--accent);
  font-size: 12px;
}
.message-meta {
  gap: 7px;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  flex-wrap: wrap;
}
.message-bubble {
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 4px 18px 18px 18px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.75;
}
.message-row.own .message-bubble {
  border-color: #202125;
  border-radius: 18px 4px 18px 18px;
  background: #202125;
  color: #fff;
}
.load-more {
  min-height: 44px;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 12px;
}
.composer {
  padding: 14px 24px 16px;
  border-top-color: var(--line);
  background: var(--surface);
}
.composer-inner {
  gap: 10px;
  padding: 9px 9px 9px 14px;
  border-color: var(--line);
  border-radius: 18px;
  background: var(--canvas);
}
.composer-inner:focus-within { border-color: var(--accent); }
.composer textarea {
  min-width: 0;
  min-height: 44px;
  padding-top: 9px;
  color: var(--ink);
  font-size: 16px;
}
.composer textarea::placeholder { color: var(--muted); }
.send-button {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-ink);
  transform: none;
}
.send-button:hover { background: #2f2ad7; }
.composer p {
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
}

/* The shared identity/conversation dialogs keep their existing form hooks. */
.modal-backdrop {
  background: rgb(28 29 36 / .28);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.modal {
  width: min(480px, 100%);
  max-height: calc(100dvh - 48px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 18px 60px rgb(32 35 46 / .12);
  scrollbar-width: thin;
}
.modal-close {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  top: 15px;
  right: 15px;
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 26px;
}
.modal-close:hover { color: var(--ink); }
.modal h2 {
  max-width: calc(100% - 42px);
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 27px;
  line-height: 1.3;
  letter-spacing: -.04em;
}
.modal-intro {
  max-width: 40ch;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.modal-tabs {
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--canvas);
}
.modal-tab {
  min-width: 0;
  min-height: 44px;
  padding: 8px 6px;
  border-color: transparent;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}
.modal-tab.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}
.field-label {
  margin-top: 19px;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 13px;
}
.modal-input {
  height: 48px;
  padding: 0 13px;
  border-color: var(--line);
  border-radius: var(--radius-control);
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
}
.modal-input::placeholder { color: var(--muted); }
.modal-input:focus { border-color: var(--accent); }
.modal-action {
  min-height: 48px;
  padding: 12px 16px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 14px;
  white-space: nowrap;
}
.modal-action:hover { background: #2f2ad7; }
.modal-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}
.identity-box {
  padding: 10px 10px 10px 13px;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--canvas);
  color: var(--ink);
  font-size: 13px;
}
.identity-box code { min-width: 0; }
.small-button {
  flex: none;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--ink);
  font-size: 12px;
}
.small-button:hover { border-color: var(--accent); }
.member-list { gap: 8px; }
.member-chip {
  min-height: 44px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--ink);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.member-chip.clickable { border: 1px solid var(--line); }
.member-chip.clickable:hover {
  border-color: #ceccfb;
  background: #eeeef9;
  color: var(--ink);
}
.member-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--accent);
  font-size: 12px;
}
.toast {
  max-width: min(480px, calc(100vw - 32px));
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 10px 30px rgb(32 35 46 / .1);
}

/* Existing persona assets are kept; desktop uses three columns and compact
   screens use two. The scroll region owns the overflow, not the footer. */
.persona-overlay {
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgb(28 29 36 / .28);
  color: var(--ink);
  font-family: inherit;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.persona-page {
  width: min(900px, 100%);
  height: min(900px, calc(100dvh - 48px));
  max-height: calc(100dvh - 48px);
  margin: 0;
  padding: 0 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface);
  box-shadow: 0 18px 60px rgb(32 35 46 / .12);
}
.persona-top { height: 74px; }
.persona-brand {
  color: var(--ink);
  font-size: 26px;
}
.persona-skip {
  min-width: 60px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 14px;
}
.persona-skip:hover { color: var(--ink); }
.persona-scroll {
  min-height: 0;
  padding: 0 2px 20px;
  overscroll-behavior: contain;
}
.persona-scroll h1 {
  margin: 12px 0 8px;
  color: var(--ink);
  font-size: clamp(34px, 4.5vw, 48px);
  line-height: 1.2;
  letter-spacing: -.06em;
}
.persona-intro {
  margin-bottom: 25px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}
.persona-gender-row {
  gap: 18px;
  margin-bottom: 24px;
}
.persona-gender-row > strong,
.persona-section-heading strong {
  color: var(--ink);
  font-size: 16px;
}
.persona-genders { gap: 8px; }
.persona-genders button {
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 14px;
}
.persona-genders button.selected {
  border-color: #202125;
  background: #202125;
  color: #fff;
}
.persona-section-heading { margin-bottom: 13px; }
.persona-section-heading span {
  color: var(--muted);
  font-size: 12px;
}
.persona-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 3px;
}
.persona-card {
  height: 232px;
  padding: 10px 10px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-raised);
  color: var(--ink);
  transition: transform .2s ease, border-color .2s ease;
}
.persona-card:hover { border-color: #b2aef4; }
.persona-card.selected {
  border-color: var(--accent);
  background: #e5e5f5;
  color: var(--ink);
  box-shadow: none;
}
.persona-card img {
  height: 158px;
  filter: none;
}
.persona-card strong {
  margin-top: 2px;
  font-size: 18px;
}
.persona-card small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.persona-card.selected small { color: #555667; }
.persona-check {
  top: 11px;
  right: 11px;
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: var(--accent-ink);
}
.persona-footer {
  padding: 14px 2px 17px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 -12px 22px var(--surface);
}
.persona-footer p {
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 12px;
}
.persona-footer p strong { color: var(--ink); }
.persona-confirm {
  height: 50px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 16px;
  box-shadow: none;
}
.persona-confirm:hover { background: #2f2ad7; }
.persona-footer small {
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
}
.profile-persona {
  min-width: 0;
  padding: 12px;
  gap: 11px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft);
  color: var(--ink);
}
.profile-persona-art {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--surface-raised);
}
.profile-persona-copy { min-width: 0; }
.profile-persona-copy strong { font-size: 13px; }
.profile-persona-copy small {
  color: var(--muted);
  font-size: 12px;
}
.profile-persona button {
  flex: none;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--ink);
  font-size: 12px;
}
.profile-persona button:hover { border-color: var(--accent); }
.profile-avatar-upload {
  gap: 12px;
  padding: 13px 0;
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--line);
}
.profile-avatar-preview {
  width: 62px;
  height: 62px;
  background: var(--surface-raised);
  color: var(--accent);
}
.profile-avatar-actions strong {
  color: var(--ink);
  font-size: 14px;
}
.profile-avatar-actions small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.profile-avatar-actions button { font-size: 12px; }
.avatar-remove {
  min-height: 44px;
  padding: 7px 0;
  color: var(--muted);
  font-size: 12px;
}
.avatar-remove:hover { color: var(--ink); }

/* The shared muted token passes on white; slightly strengthen helper text on
   the gray and pale-blue controls so small copy also keeps AA contrast. */
.search-wrap input::placeholder,
.composer textarea::placeholder,
.modal-input::placeholder,
.discover-copy small,
.modal-tab:not(.active),
.persona-skip,
.persona-genders button:not(.selected),
.persona-card:not(.selected) small,
.profile-persona-copy small,
.conversation-item:hover .conversation-preview,
.conversation-item:hover .conversation-top time,
.conversation-item.selected .conversation-preview,
.conversation-item.selected .conversation-top time {
  color: #696c74;
}

@media (min-width: 681px) and (max-width: 1199px) {
  .app-shell.mode-messages {
    grid-template-columns: 64px 240px minmax(0, 1fr);
  }
  .sidebar-header { padding: 24px 16px 20px; }
  .sidebar .eyebrow { font-size: 12px; letter-spacing: 0; }
  .search-wrap { margin: 0 14px; }
  .sidebar-label { margin-left: 17px; margin-right: 17px; }
  .conversation-list { padding: 0 6px; }
  .conversation-item { gap: 9px; padding: 13px 9px; }
  .conversation-item.selected { padding-left: 9px; }
  .conversation-avatar { width: 40px; height: 40px; }
  .conversation-top { gap: 4px; flex-wrap: wrap; }
  .conversation-top time { font-size: 12px; }
  .conversation-preview { margin-top: 4px; }
  .discover-item { gap: 8px; padding: 11px 9px; }
  .discover-icon { width: 35px; height: 35px; }
  .discover-copy small { font-size: 12px; }
  .sidebar-footer { padding: 14px 12px; gap: 8px; }
  .my-avatar { width: 36px; height: 36px; }
  .my-details strong { font-size: 12px; }
  .my-details span { font-size: 12px; }
  .chat-header { padding: 16px; gap: 8px; }
  .chat-heading h2 { font-size: 17px; }
  .message-scroll { padding: 20px 14px 14px; }
  .message-row { max-width: 100%; gap: 8px; }
  .composer { padding: 12px; }
  .composer-inner { gap: 7px; padding-left: 11px; }
  .composer p { line-height: 1.5; }
  .empty-state { padding: 24px 16px; }
  .empty-state .landscape { width: 170px; height: 185px; }
  .empty-state h2 { font-size: 34px; }
  .empty-description { font-size: 14px; }
}

@media (max-width: 680px) {
  .app-shell.mode-messages { display: block; }
  .sidebar-header { padding: 24px 20px 20px; }
  .sidebar h1 { font-size: 34px; }
  .search-wrap { margin: 0 20px; }
  .sidebar-label { margin-left: 23px; margin-right: 23px; }
  .conversation-list { padding: 0 10px; }
  .conversation-item,
  .conversation-item.selected { padding: 14px 12px; }
  .conversation-top strong { font-size: 15px; }
  .conversation-top time { font-size: 12px; }
  .conversation-preview { font-size: 13px; }
  .sidebar-footer {
    padding: 14px 20px;
    padding-left: max(20px, env(safe-area-inset-left, 0px));
    padding-right: max(20px, env(safe-area-inset-right, 0px));
  }
  .chat-header {
    min-height: 78px;
    padding: 14px 16px;
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
  .chat-heading h2 { font-size: 18px; }
  .message-scroll { padding: 20px 16px 14px; }
  .message-row { max-width: 94%; }
  .message-bubble { padding: 11px 13px; }
  .composer { padding: 11px 14px 13px; }
  .composer p { margin-top: 8px; font-size: 12px; }
  .modal-backdrop {
    padding: 12px max(12px, env(safe-area-inset-right, 0px)) max(12px, env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
  }
  .modal {
    max-height: calc(100dvh - 24px - env(safe-area-inset-bottom, 0px));
    padding: 27px 20px 24px;
  }
  .modal-close { top: 12px; right: 12px; }
  .modal h2 { font-size: 25px; }
  .modal-intro { font-size: 14px; }
  .profile-persona { gap: 9px; padding: 11px; }
  .profile-persona-art { width: 44px; height: 44px; }
  .profile-persona button { padding: 8px; }
  .profile-persona-copy strong { font-size: 13px; }
  .profile-avatar-upload { gap: 11px; }
  .profile-avatar-preview { width: 52px; height: 52px; }
  .persona-overlay { padding: 0; }
  .persona-page {
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    padding: 0 18px;
    padding-left: max(18px, env(safe-area-inset-left, 0px));
    padding-right: max(18px, env(safe-area-inset-right, 0px));
    border: 0;
    border-radius: 0;
  }
  .persona-top {
    height: calc(68px + env(safe-area-inset-top, 0px));
    min-height: 68px;
    padding-top: env(safe-area-inset-top, 0px);
  }
  .persona-scroll h1 { margin-top: 10px; font-size: 36px; }
  .persona-intro { margin-bottom: 23px; font-size: 15px; }
  .persona-gender-row { gap: 11px; margin-bottom: 23px; }
  .persona-gender-row > strong,
  .persona-section-heading strong { font-size: 15px; }
  .persona-genders { gap: 5px; }
  .persona-genders button { height: 44px; font-size: 13px; }
  .persona-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .persona-card { height: 205px; padding: 8px 6px 13px; }
  .persona-card img { height: 133px; }
  .persona-card strong { font-size: 16px; }
  .persona-card small { font-size: 12px; }
  .persona-check { top: 9px; right: 9px; width: 26px; height: 26px; }
  .persona-footer { padding-bottom: max(15px, env(safe-area-inset-bottom, 0px)); }
  .persona-confirm { height: 50px; }
  .persona-footer small { font-size: 12px; }
}

@media (max-width: 359px) {
  .persona-page { padding-left: 14px; padding-right: 14px; }
  .persona-grid { gap: 8px; }
  .persona-card { height: 190px; padding-bottom: 12px; }
  .persona-card img { height: 119px; }
  .persona-card small { font-size: 12px; letter-spacing: -.02em; }
  .persona-gender-row { gap: 8px; }
  .persona-genders button { font-size: 12px; }
  .profile-persona { flex-wrap: wrap; }
  .profile-persona-copy { flex: 1; }
  .profile-persona button { margin-left: auto; }
  .modal-tabs { gap: 3px; padding: 4px; }
  .modal-tab { padding-left: 3px; padding-right: 3px; font-size: 12px; }
}
@media (max-width:680px) and (max-height:670px) {
  .sidebar-header { padding: 18px 18px 16px; }
  .sidebar-label { margin-top: 18px; }
  .sidebar-empty { margin: 10px 6px; line-height: 1.6; font-size: 12px; }
  .discover-section { padding-bottom: 12px; }
  .discover-item { min-height: 72px; }
  .sidebar-footer { padding-block: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .conversation-item,
  .persona-card { transition: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .modal-backdrop,
  .persona-overlay {
    background: #e9eaf0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}