:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --radius: 12px;
  --radius-lg: 20px;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

html.native-shell #app {
  height: 100%;
}

.hidden { display: none !important; }

html.boot-pending #auth-view,
html.boot-pending #chats-view,
html.boot-pending #settings-view {
  display: none !important;
}

/* ── Brand ── */
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.brand.compact .brand-name { font-size: 1.05rem; }
.brand-mark {
  position: relative;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 22%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  box-shadow: 0 2px 10px color-mix(in srgb, var(--accent) 42%, transparent);
}

.brand-mark::before {
  content: '✦';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 1.05rem;
  line-height: 1;
  font-family: system-ui, -apple-system, 'Segoe UI Symbol', 'Noto Sans Symbols2', sans-serif;
}

.brand.compact .brand-mark {
  width: 2rem;
  height: 2rem;
}

.brand.compact .brand-mark::before {
  font-size: 0.95rem;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ── Topbar (app shell) ── */
.topbar {
  display: flex;
  flex-shrink: 0;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.nav-btn {
  margin-left: 0.4rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-soft);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.nav-btn:hover { background: var(--panel-hover); color: var(--text); }
.nav-btn.active {
  background: var(--panel-hover);
  color: var(--text);
  border-color: var(--accent-subtle-border);
}
.nav-btn.ghost { border-color: transparent; }

/* ── Auth screen ── */
.auth-screen {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, var(--auth-gradient-a) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 100%, var(--auth-gradient-b) 0%, transparent 50%),
    var(--bg);
}

.auth-layout {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: calc(2rem + var(--safe-top)) calc(1.25rem + var(--safe-right)) calc(2rem + var(--safe-bottom)) calc(1.25rem + var(--safe-left));
}

.auth-card-header {
  display: flex;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.auth-card-header .brand {
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  padding: 0.25rem;
  background: var(--bg);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.auth-tab {
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.auth-tab:hover { color: var(--text-soft); }
.auth-tab.active {
  background: var(--panel-hover);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.field-row {
  display: flex;
  gap: 0.35rem;
  align-items: stretch;
}
.field-row input { flex: 1; }

input, select, textarea {
  font: inherit;
  font-size: 0.95rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input::placeholder { color: var(--muted); }
input:focus, select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.icon-btn {
  flex-shrink: 0;
  padding: 0 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.icon-btn.toggle-pw {
  display: grid;
  place-items: center;
  width: 2.75rem;
  padding: 0;
}
.toggle-pw-icon.hidden { display: none; }
.icon-btn:hover { color: var(--text-soft); border-color: rgba(255,255,255,0.15); }

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform 0.1s, background 0.15s, opacity 0.15s;
}
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled { opacity: 0.65; cursor: not-allowed; }
.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
  margin-top: 0.25rem;
}
.btn-primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

.btn-oauth {
  text-decoration: none;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-oauth:hover:not(.disabled) {
  background: var(--panel-hover);
  border-color: rgba(255, 255, 255, 0.12);
}
.btn-oauth.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(0.6);
}
.oauth-icon {
  width: 1.15rem;
  height: 1.15rem;
}

.btn-spinner {
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn.loading .btn-label { opacity: 0; }
.btn.loading .btn-spinner { position: absolute; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0 1.25rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-alert {
  padding: 0.75rem 0.9rem;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text-soft);
  font-size: 0.875rem;
  line-height: 1.4;
}

.auth-foot {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.45;
}

.auth-foot .legal-link,
.settings-legal-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.auth-foot .legal-link:hover,
.settings-legal-link:hover {
  color: var(--text);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-soft);
}
.btn-ghost:hover { background: var(--panel-hover); color: var(--text); }

/* ── Chats shell ── */
.chats-shell {
  position: relative;
  flex: 1;
  min-height: 0;
  background:
    radial-gradient(ellipse 70% 50% at 0% 0%, var(--shell-gradient) 0%, transparent 50%),
    var(--bg);
}

.chats-layout {
  display: grid;
  grid-template-columns: minmax(320px, 400px) 1fr;
  width: 100%;
  height: 100%;
}

.chats-sidebar {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--border);
  background: var(--sidebar-bg);
}

.app-toolbar {
  flex-shrink: 0;
}

.app-toolbar .brand {
  flex: 1;
  min-width: 0;
}

.chats-header-btn {
  gap: 0.65rem;
}

.chats-header-btn .brand-mark {
  flex-shrink: 0;
}

.settings-shell {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, var(--shell-gradient) 0%, transparent 50%),
    var(--bg);
}

.settings-layout {
  display: grid;
  grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
  width: 100%;
  height: 100%;
  min-height: 0;
}

.settings-sidebar {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--border);
  background: var(--sidebar-bg);
}

.settings-sidebar-head {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 0.75rem;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.settings-nav-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.settings-nav-item:hover {
  background: var(--panel-hover);
  color: var(--text);
}

.settings-nav-item.active {
  background: var(--accent-glow);
  border-color: var(--border-focus);
  color: var(--text);
}

.settings-nav-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.settings-nav-hint {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
}

.settings-nav-item.active .settings-nav-hint {
  color: var(--text-soft);
}

.settings-sidebar-logout {
  margin-top: 0.5rem;
  width: 100%;
  justify-content: center;
  color: var(--danger) !important;
  border-color: var(--danger-border);
}

.settings-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.settings-mobile-toolbar {
  display: none;
}

.settings-mobile-hub {
  display: none;
}

.settings-panel {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.settings-page-head {
  display: none;
}

.settings-section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  margin-bottom: 1.25rem;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.settings-section-head-text {
  flex: 1;
  min-width: 0;
}

.settings-section-title {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.settings-section-summary {
  display: block;
  margin: 0;
}

.settings-section-chevron {
  display: none;
  flex-shrink: 0;
  color: var(--muted);
  transition: transform 0.2s;
}

.billing-plan-card {
  display: grid;
  gap: 0.85rem;
}

.billing-plan-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.65rem 1rem;
}

.billing-plan-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
}

.billing-plan-badge-pro {
  background: rgba(0, 168, 132, 0.18);
  color: var(--accent);
}

.settings-panel-foot {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.settings-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  margin-top: 1rem;
  font-size: 0.85rem;
}

.settings-danger-zone {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--danger-border);
}

.settings-danger-title {
  color: var(--danger-text-soft);
}

.settings-delete-account-btn {
  margin-top: 0.75rem;
  width: 100%;
  justify-content: center;
  color: var(--danger) !important;
  border-color: var(--danger-border);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
}

.btn-danger:hover:not(:disabled) {
  filter: brightness(1.08);
}

.settings-logout-btn {
  color: var(--danger) !important;
  width: 100%;
  justify-content: center;
  border-color: var(--danger-border);
}

.settings-page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.settings-page-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 42rem;
  line-height: 1.5;
}

.settings-subheading {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.settings-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.settings-form-grid .field-span-2 {
  grid-column: 1 / -1;
}

.settings-form-grid .settings-form-actions {
  justify-content: flex-start;
}

.settings-form-grid .settings-form-actions .btn-primary {
  flex: 0 1 auto;
  min-width: 10rem;
}

.settings-add-friend {
  max-width: 28rem;
  margin-bottom: 1rem;
}

.settings-add-friend input {
  min-width: 0;
}

.settings-friends-list li {
  padding: 0.85rem 0;
  margin-bottom: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
}

.settings-friends-list li:last-child {
  border-bottom: none;
}

.friend-invites-banner {
  margin: 0.5rem 0.5rem 0.5rem;
  border-radius: var(--radius);
  background: var(--info-bg);
  border: 1px solid var(--info-border);
}

.friend-invites-banner-btn {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.82rem;
  text-align: left;
  cursor: pointer;
}

.friend-invites-banner-btn:hover {
  background: var(--accent-subtle-bg);
}

.friend-invite-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.1rem;
  height: 1.1rem;
  padding: 0 0.3rem;
  margin-left: 0.35rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  background: var(--info-accent);
  color: #fff;
  vertical-align: middle;
}

.friend-invites-section {
  margin-bottom: 1.25rem;
}

.friend-invites-heading {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.friend-invites-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.friend-invite-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0;
  margin-bottom: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
}

.friend-invite-item:last-child {
  border-bottom: none;
}

.friend-invite-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  justify-content: flex-end;
}

.friend-invite-pending {
  font-size: 0.78rem;
  color: var(--text-soft);
  white-space: nowrap;
}

.friend-invite-cancel-btn {
  width: 1.75rem;
  height: 1.75rem;
  font-size: 0.85rem;
}

.friend-invite-cancel-icon {
  display: block;
  width: 0.95rem;
  height: 0.95rem;
}

.settings-providers-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.settings-providers-list-wrap {
  min-width: 0;
}

.story-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.chats-sidebar-footer {
  display: none;
  flex-shrink: 0;
  padding: 0.75rem 1rem calc(0.75rem + var(--safe-bottom));
  border-top: 1px solid var(--border);
  background: var(--sidebar-bg);
}

.chats-new-story-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--accent-subtle-border);
  border-radius: var(--radius);
  background: var(--accent-subtle-bg);
  color: var(--accent);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, filter 0.15s;
}

.chats-new-story-btn:hover {
  filter: brightness(1.08);
  background: color-mix(in srgb, var(--accent) 14%, var(--sidebar-bg));
}

.chats-new-story-btn:active {
  transform: scale(0.98);
}

.story-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s;
  border: none;
  border-bottom: 1px solid var(--border);
  /* Block OS text selection on long-press; actions via selection toolbar instead. */
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.story-item:last-child {
  border-bottom: none;
}
.story-item:hover { background: var(--panel-hover); }
.story-item.active {
  background: var(--accent-glow);
}

.story-item.is-selected {
  background: var(--accent-subtle-bg);
}

.story-list.selection-mode .story-item.active:not(.is-selected) {
  background: transparent;
}

.chats-toolbar-view {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  min-width: 0;
}

.chats-toolbar-view.hidden {
  display: none;
}

#chats-toolbar-default .chats-header-btn {
  flex: 1;
}

.chats-selection-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  flex-shrink: 0;
}

.chats-delete-btn {
  color: var(--danger);
}

.chats-delete-btn:hover {
  color: var(--danger-text-soft);
  background: var(--danger-bg);
}

.mute-duration-card {
  text-align: start;
}

.mute-duration-card .modal-desc {
  margin-bottom: 1rem;
}

.mute-duration-options {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.mute-duration-option {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  padding: 0.75rem 0.9rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.mute-duration-option:hover {
  background: var(--panel-hover);
  border-color: var(--accent-subtle-border);
}

.mute-duration-card .modal-actions {
  justify-content: flex-end;
  margin-top: 0.75rem;
}

.story-avatar {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  background: linear-gradient(135deg, #2a5a4a 0%, #1a3d32 100%);
}
.story-item.active .story-avatar {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
}

.story-item-body { flex: 1; min-width: 0; }
.story-item-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  column-gap: 0.5rem;
  row-gap: 0.15rem;
  width: 100%;
}
.story-item-title {
  flex: 1 1 auto;
  min-width: min(100%, max-content);
  max-width: 100%;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.story-unread-badge {
  display: inline-grid;
  place-items: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  margin-left: auto;
  flex-shrink: 0;
}

.unread-separator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.85rem 0;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.unread-separator::before,
.unread-separator::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--separator-accent);
}

.mute-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.story-item-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.2rem;
  width: 100%;
  min-width: 0;
  font-size: 0.75rem;
  color: var(--muted);
}
.story-item-meta:empty {
  display: none;
}

.story-item-meta-details {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
  margin-left: auto;
  white-space: nowrap;
  font-size: 0.75rem;
  color: var(--muted);
}

.story-item-date {
  white-space: nowrap;
  flex-shrink: 0;
}

.story-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--badge-muted-bg);
  color: var(--badge-muted-text);
  white-space: nowrap;
  flex-shrink: 0;
}
.story-badge.my-model,
.story-badge.editor,
.story-badge.admin {
  background: var(--badge-accent-bg);
  color: var(--badge-accent-text);
}
.story-badge.viewer,
.story-badge.member {
  background: var(--badge-muted-bg);
  color: var(--badge-muted-text);
}

.chats-list-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-soft);
}
.chats-list-empty .empty-icon { font-size: 2.5rem; opacity: 0.5; margin-bottom: 0.75rem; }
.chats-list-empty p { margin: 0 0 0.35rem; font-weight: 600; color: var(--text); }

/* FAB */
.fab {
  position: fixed;
  right: calc(1.5rem + var(--safe-right));
  bottom: calc(1.5rem + var(--safe-bottom));
  width: 3.5rem;
  height: 3.5rem;
  border: none;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 24px var(--accent-glow), 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s, filter 0.15s;
  z-index: 20;
}
.fab:hover { filter: brightness(1.08); transform: scale(1.04); }
.fab:active { transform: scale(0.96); }

/* Chat panel */
.chat-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-width: 0;
  min-height: 0;
  background: var(--bg);
  position: relative;
}

.chat-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.placeholder-inner {
  text-align: center;
  max-width: 320px;
}
.placeholder-mark {
  position: relative;
  display: inline-block;
  width: 4rem;
  height: 4rem;
  border-radius: 22%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  margin-bottom: 1.25rem;
  opacity: 0.92;
  box-shadow: 0 4px 18px color-mix(in srgb, var(--accent) 38%, transparent);
}

.placeholder-mark::before {
  content: '✦';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 1.85rem;
  line-height: 1;
  font-family: system-ui, -apple-system, 'Segoe UI Symbol', 'Noto Sans Symbols2', sans-serif;
}
.placeholder-inner h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
}
.placeholder-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.chat-active {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  position: relative;
}

.chat-workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
  --manuscript-width: min(44%, 520px);
}

.chat-column {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 280px;
  min-height: 0;
  position: relative;
}

.chat-messages-wrap {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

.manuscript-splitter {
  display: none;
  flex: 0 0 6px;
  width: 6px;
  align-self: stretch;
  touch-action: none;
  cursor: col-resize;
  position: relative;
  z-index: 2;
  background: transparent;
}

.manuscript-splitter::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  border-radius: 2px;
  background: var(--border);
  transition: background 0.15s, width 0.15s;
}

.manuscript-splitter:hover::after,
.manuscript-splitter:focus-visible::after,
body.manuscript-resizing .manuscript-splitter::after {
  background: color-mix(in srgb, var(--accent) 70%, var(--border));
  width: 3px;
}

.manuscript-splitter:focus-visible {
  outline: none;
}

.side-panel {
  display: none;
  flex-direction: column;
  flex: 0 0 var(--manuscript-width);
  width: var(--manuscript-width);
  min-width: 240px;
  max-width: calc(100% - 286px);
  background: var(--manuscript-bg);
}

.manuscript-panel {
  display: none;
}

.chat-workspace.manuscript-open .manuscript-panel {
  display: flex;
}

body.manuscript-resizing {
  cursor: col-resize;
  user-select: none;
}

body.manuscript-resizing .chat-workspace {
  pointer-events: none;
}

body.manuscript-resizing .manuscript-splitter {
  pointer-events: auto;
}

.side-panel-head,
.manuscript-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: calc(0.75rem + var(--safe-top)) calc(1rem + var(--safe-right)) 0.75rem calc(1rem + var(--safe-left));
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  flex-shrink: 0;
}

.side-panel-title,
.manuscript-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.side-panel-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--muted) 55%, transparent) transparent;
}

.side-panel-body::-webkit-scrollbar {
  width: 6px;
}

.side-panel-body::-webkit-scrollbar-track {
  background: transparent;
}

.side-panel-body::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--muted) 50%, transparent);
  border-radius: 6px;
}

.side-panel-body::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--muted) 75%, transparent);
}

.manuscript-preview {
  flex: 1;
  overflow-y: auto;
  padding: 2rem 1.5rem 3rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text);
  hyphens: auto;
  -webkit-hyphens: auto;
  text-wrap: pretty;
}

.manuscript-empty {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem;
  font-family: var(--font);
  font-size: 0.9rem;
  line-height: 1.5;
}

.ms-chapter {
  --ms-rail: 2px;
  --ms-rail-gap: 2px;
  --ms-rail-pad: 1rem;
  position: relative;
  margin-bottom: 2.75rem;
  scroll-margin-top: 1rem;
}

.ms-chapter.is-active-chapter {
  padding-left: calc(var(--ms-rail) + var(--ms-rail-gap) + var(--ms-rail) + var(--ms-rail-pad));
}

.ms-chapter.is-active-chapter::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--ms-rail);
  border-radius: 1px;
  background: color-mix(in srgb, var(--accent) 38%, transparent);
}

.ms-chapter-head {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  margin: 0 0 1.75rem;
  padding-top: 0.25rem;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.ms-scene {
  position: relative;
}

.ms-scene + .ms-scene {
  margin-top: 1.35rem;
}

.ms-chapter.is-active-chapter .ms-scene.is-active-scene::before {
  content: '';
  position: absolute;
  left: calc(var(--ms-rail) + var(--ms-rail-gap) - var(--ms-rail-pad) - var(--ms-rail) - var(--ms-rail-gap) - var(--ms-rail));
  top: 0;
  bottom: 0;
  width: var(--ms-rail);
  border-radius: 1px;
  background: var(--accent);
}

.ms-scene-prose p {
  margin: 0 0 0.9em;
  text-align: left;
  text-indent: 1.5em;
}

.ms-scene-prose p:last-child {
  margin-bottom: 0;
}

.ms-chapter-head + .ms-scene .ms-scene-prose > p:first-child,
.ms-scene-prose > p:first-child {
  text-indent: 0;
}

.ms-scene-draft {
  color: var(--muted);
  font-style: italic;
  text-indent: 0 !important;
}

#manuscript-close-desktop,
#share-close-btn,
#share-back-btn { display: none; }

.agent-continue-prompt {
  align-self: center;
  max-width: 92%;
  margin: 0.5rem 0 0.85rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--warn-border);
  background: var(--warn-bg);
  color: var(--text-soft);
  font-size: 0.85rem;
  line-height: 1.45;
}

.agent-continue-prompt strong {
  display: block;
  color: var(--warn);
  margin-bottom: 0.35rem;
}

.agent-continue-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.manuscript-overlay {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  flex-direction: column;
  background: var(--bg);
}

.manuscript-overlay.open {
  display: flex;
}

.manuscript-overlay.hidden {
  display: none !important;
}

.chat-messages-wrap.manuscript-showing .messages,
.chat-column.chat-info-open .chat-messages-wrap .messages {
  visibility: hidden;
  pointer-events: none;
}

.chat-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: calc(0.85rem + var(--safe-top)) calc(1rem + var(--safe-right)) 0.85rem calc(1rem + var(--safe-left));
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.chat-header-btn {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0.2rem 0.4rem;
  margin: 0 -0.4rem;
  border-radius: 10px;
  cursor: pointer;
  color: inherit;
  font: inherit;
  transition: background 0.15s;
}
.chat-header-btn:hover,
.chat-header-btn[aria-expanded="true"] {
  background: var(--panel-hover);
}
.chat-toolbar-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.chat-title {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-subtitle {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-header-chevron {
  flex-shrink: 0;
  color: var(--muted);
  opacity: 0.75;
}

.context-toolbar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.context-usage-indicator {
  min-width: 2.75rem;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-soft);
  font-size: 0.7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: center;
  line-height: 1.2;
}

.context-usage-indicator.level-ok {
  color: var(--accent);
  border-color: var(--accent-subtle-border);
}

.context-usage-indicator.level-warn {
  color: var(--warn);
  border-color: var(--warn-border);
}

.context-usage-indicator.level-high {
  color: var(--danger);
  border-color: var(--danger-border);
}

.context-usage-indicator.compacting {
  opacity: 0.65;
}

#compact-chat-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.compaction-banner {
  align-self: center;
  max-width: 92%;
  margin: 0.35rem 0 0.75rem;
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  border: 1px dashed var(--accent-subtle-border);
  background: var(--accent-subtle-bg);
  color: var(--text-soft);
  font-size: 0.78rem;
  line-height: 1.45;
}

.compaction-banner strong {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.compaction-banner-body {
  white-space: pre-wrap;
  line-height: 1.45;
}

.compaction-banner-body.is-collapsed {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.compaction-banner-toggle {
  margin-top: 0.45rem;
  padding: 0;
  border: none;
  background: none;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.compaction-banner-toggle:hover {
  text-decoration: underline;
}

.ws-connection-banner {
  padding: 0.45rem 1rem;
  font-size: 0.78rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--warn-bg);
  color: var(--text-soft);
}

.ws-connection-banner.reconnecting {
  background: var(--warn-bg);
}

.ws-connection-banner.disconnected {
  background: var(--danger-bg);
  color: var(--danger-text-soft);
}

.provider-required-banner {
  padding: 0.45rem 1rem;
  font-size: 0.78rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--info-bg);
  color: var(--text-soft);
}

.chat-error-banner {
  padding: 0.45rem 1rem;
  font-size: 0.78rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--danger-bg);
  color: var(--danger-text-soft);
}

.settings-alert-banner {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  background: var(--danger-bg);
  color: var(--danger-text-soft);
  border: 1px solid var(--danger-border, var(--border));
}

.share-settings-toggles {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.share-settings-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-soft);
  cursor: pointer;
  user-select: none;
}

.share-settings-toggle .toggle-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.share-settings-toggle .toggle-track {
  flex-shrink: 0;
  position: relative;
  width: 2.5rem;
  height: 1.4rem;
  border-radius: 999px;
  background: var(--panel-hover);
  border: 1px solid var(--border);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.share-settings-toggle .toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(1.4rem - 6px);
  height: calc(1.4rem - 6px);
  border-radius: 50%;
  background: var(--text-soft);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, background 0.2s ease;
}

.share-settings-toggle .toggle-input:checked + .toggle-track {
  background: var(--accent);
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.share-settings-toggle .toggle-input:checked + .toggle-track .toggle-thumb {
  transform: translateX(1.1rem);
  background: #fff;
}

.share-settings-toggle .toggle-input:focus-visible + .toggle-track {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.share-settings-toggle .toggle-label {
  line-height: 1.35;
  color: var(--text);
}

.share-panel-footer {
  margin-top: 0.25rem;
  padding: 0.85rem calc(1rem + var(--safe-right)) var(--safe-bottom) calc(1rem + var(--safe-left));
  border-top: 1px solid var(--border);
}

.composer.ws-disconnected {
  opacity: 0.65;
  pointer-events: none;
}

.icon-btn-round {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-soft);
  font-size: 1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.15s, color 0.15s;
}
.back-btn-icon {
  display: block;
  width: 1.2rem;
  height: 1.2rem;
  margin-left: -0.08rem;
}
.icon-btn-round:hover { background: var(--panel-hover); color: var(--text); }
.icon-btn-round.active {
  color: var(--accent);
  border-color: var(--accent-active-border);
  background: var(--accent-active-bg);
}
#chat-back-btn { display: none; }

.chat-info-sheet {
  position: absolute;
  inset: 0;
  z-index: 32;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.chat-info-sheet.hidden { display: none; }

.chat-info-sheet-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: calc(0.85rem + var(--safe-top)) calc(1rem + var(--safe-right)) 0.85rem calc(1rem + var(--safe-left));
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-info-sheet-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0 calc(1rem + var(--safe-right)) calc(1.5rem + var(--safe-bottom)) calc(1rem + var(--safe-left));
}

.chat-info-sheet-body .settings-section {
  display: block;
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 1px solid var(--border);
}

.chat-info-sheet-body .settings-section:last-of-type {
  border-bottom: none;
}

.chat-info-sheet-body .settings-section-title {
  font-size: 1.05rem;
}

.chat-info-sheet-body .settings-section-head {
  display: flex;
  pointer-events: auto;
  margin-bottom: 0;
  padding: 1rem 0 0.75rem;
}

.chat-info-sheet-body .settings-section-chevron {
  display: block;
}

.chat-info-sheet-body .settings-section.is-expanded .settings-section-chevron {
  transform: rotate(180deg);
}

.chat-info-sheet-body .settings-section:not(.is-expanded) .settings-section-body {
  display: none;
}

.chat-info-sheet-body .settings-section-body {
  padding: 0 0 1.25rem;
}

.chat-info-field-group {
  margin-bottom: 1.25rem;
}

.chat-info-field-group:last-child {
  margin-bottom: 0;
}

.export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.export-feedback {
  margin: 0.65rem 0 0;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-soft);
  background: var(--accent-subtle-bg);
  border: 1px solid var(--accent-subtle-border);
}

.export-feedback.hidden,
.export-feedback:empty {
  display: none;
}

.chat-title-field {
  margin: 0;
}

.chat-title-field input {
  width: 100%;
  font-size: 1rem;
  font-weight: 500;
}

.chat-info-model-fields {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chat-info-sheet-body .share-section {
  padding-left: 0;
  padding-right: 0;
}

.chat-info-sheet-foot {
  flex-shrink: 0;
  padding: 1rem calc(1rem + var(--safe-right)) calc(1.25rem + var(--safe-bottom)) calc(1rem + var(--safe-left));
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.chat-info-leave-btn {
  width: 100%;
  justify-content: center;
  color: var(--danger) !important;
}

.manuscript-toolbar-btn { display: none; }

.model-panel-label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.model-panel-label select,
.model-panel .model-combobox input {
  font-size: 0.85rem;
  padding: 0.5rem 0.65rem;
}

.model-panel .model-combobox {
  width: 100%;
}

.model-combobox {
  position: relative;
}
.model-combobox input {
  width: 100%;
  font-size: 0.85rem;
  padding: 0.5rem 0.65rem;
}
.model-combobox-list {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  max-height: 240px;
  overflow-y: auto;
  z-index: 60;
  margin: 0;
  padding: 0.25rem 0;
  list-style: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.model-combobox-option {
  padding: 0.45rem 0.65rem;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.model-combobox-option:hover,
.model-combobox-option.active {
  background: var(--panel-hover);
  color: var(--text);
}
.model-combobox-empty,
.model-combobox-hint,
.model-combobox-loading {
  padding: 0.45rem 0.65rem;
  font-size: 0.8rem;
  color: var(--muted);
  pointer-events: none;
}

.messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.25rem 1rem 4.5rem;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--muted) 55%, transparent) transparent;
  background:
    radial-gradient(circle at 20% 80%, var(--messages-pattern) 0%, transparent 40%),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 24px,
      var(--messages-stripe) 24px,
      var(--messages-stripe) 25px
    );
}

.messages::-webkit-scrollbar {
  width: 6px;
}

.messages::-webkit-scrollbar-track {
  background: transparent;
}

.messages::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--muted) 50%, transparent);
  border-radius: 6px;
}

.messages::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--muted) 75%, transparent);
}

.message-row {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: min(85%, 520px);
}
.message-row.user.own {
  align-self: flex-end;
}
.message-row.user.other {
  align-self: flex-start;
}
/* Invisible hover bridge: keeps Edit/Resend visible while the cursor moves
   through the gap beside the bubble (buttons sit in this zone). For own
   messages the actions sit to the left; for other/assistant they sit to
   the right. */
.message-row.user.own::before,
.message-row.user.other::after,
.message-row.assistant::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 6.5rem;
}
.message-row.user.own::before {
  right: 100%;
}
.message-row.user.other::after,
.message-row.assistant::after {
  left: 100%;
}
.message-row.assistant {
  align-self: flex-start;
}
.message-actions {
  position: absolute;
  bottom: 0;
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
  z-index: 1;
}
/* Own messages: actions to the LEFT of the bubble (toward chat center). */
.message-row.user.own .message-actions {
  right: calc(100% + 0.35rem);
}
/* Other/assistant messages: actions to the RIGHT of the bubble. */
.message-row.user.other .message-actions,
.message-row.assistant .message-actions {
  left: calc(100% + 0.35rem);
}
.message-row:hover .message-actions,
.message-row:focus-within .message-actions {
  opacity: 1;
  pointer-events: auto;
}
.msg-action-btn {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-soft);
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.msg-action-btn:hover {
  color: var(--text);
  border-color: var(--border-focus);
  background: var(--panel-hover);
}
.message-time {
  font-size: 0.65rem;
  line-height: 1;
  color: var(--muted);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
  user-select: none;
  flex: 0 0 auto;
  align-self: flex-end;
  margin: 0.15rem 0 0.05rem 0.45rem;
}
.date-divider {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0.75rem 0;
  position: relative;
}
.date-divider::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--border);
  opacity: 0.5;
}
.date-divider-pill {
  position: relative;
  background: var(--bg-elevated);
  color: var(--text-soft);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  text-transform: capitalize;
  user-select: none;
}
/* Block OS text selection on bubbles; copy via long-press action menu instead. */
html.native-shell .bubble {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

@media (max-width: 768px) {
  .messages { padding-left: 1.25rem; }
  .message-row.user.own::before,
  .message-row.user.other::after,
  .message-row.assistant::after { display: none; }
  .message-row .message-actions { display: none; }
  .bubble {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
  }
  .message-row.user.own.is-pressed .bubble {
    box-shadow: 0 0 0 2px var(--border-focus);
  }
  .message-row.user.other.is-pressed .bubble,
  .message-row.assistant.is-pressed .bubble {
    box-shadow: 0 0 0 2px var(--pressed-ring-muted);
  }
}

.message-action-backdrop {
  position: fixed;
  inset: 0;
  z-index: 180;
  background: var(--backdrop-dim);
  backdrop-filter: blur(1px);
}
.message-action-backdrop.hidden {
  display: none;
}
.message-action-popup {
  position: fixed;
  z-index: 181;
  display: flex;
  gap: 0.35rem;
  padding: 0.4rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
}
.message-action-popup .msg-action-btn {
  font-size: 0.8rem;
  padding: 0.45rem 0.75rem;
}

.bubble {
  padding: 0.35rem 0.55rem 0.3rem 0.65rem;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  min-width: 4.5rem;
}
.bubble-body {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 0 0.35rem;
}
.bubble-text {
  flex: 1 1 auto;
  min-width: 0;
  line-height: 1.45;
  white-space: pre-wrap;
  font-size: 0.925rem;
}
.bubble.user.own {
  background: var(--bubble-user);
  border-bottom-right-radius: 4px;
}
.bubble.user.other {
  background: var(--bubble-assistant);
  border-bottom-left-radius: 4px;
}
.bubble.assistant.typing {
  min-width: 3.25rem;
  padding: 0.75rem 1rem;
}

.agent-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.agent-status-label {
  font-size: 0.82rem;
  color: var(--muted);
  font-style: italic;
}

.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  height: 0.55rem;
}

.typing-dots span {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--muted);
  animation: typing-bounce 1.2s infinite ease-in-out;
}

.typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.45; }
  40% { transform: translateY(-3px); opacity: 1; }
}

.story-item-typing {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 500;
}

.bubble.assistant {
  background: var(--bubble-assistant);
  border-bottom-left-radius: 4px;
}

.composer {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.65rem calc(1rem + var(--safe-right)) calc(0.85rem + var(--safe-bottom)) calc(1rem + var(--safe-left));
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.composer-input {
  flex: 1;
  min-width: 0;
  position: relative;
  --composer-cap: 2.5rem;
}

.composer-textarea {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 1.35rem;
  padding: 0.55rem calc(var(--composer-cap) + 0.45rem) 0.55rem 1.1rem;
  box-shadow: none;
  resize: none;
  line-height: 1.35;
  min-height: var(--composer-cap);
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--muted) 45%, transparent) transparent;
}

.composer-textarea::-webkit-scrollbar {
  width: 4px;
}

.composer-textarea::-webkit-scrollbar-track {
  background: transparent;
}

.composer-textarea::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--muted) 45%, transparent);
  border-radius: 4px;
}

.composer-textarea::placeholder {
  color: var(--muted);
}

.composer-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: none;
}

.composer-manuscript-btn {
  position: absolute;
  top: 50%;
  right: 3px;
  width: calc(var(--composer-cap) - 6px);
  height: calc(var(--composer-cap) - 6px);
  margin: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  transition: color 0.15s, background 0.15s;
  appearance: none;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.composer-manuscript-btn svg {
  width: 1.125rem;
  height: 1.125rem;
  pointer-events: none;
}

.composer-manuscript-btn:focus {
  outline: none;
}

.composer-manuscript-btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 1px;
}

.composer-manuscript-btn:active {
  color: var(--accent);
  background: var(--accent-glow);
}

.composer-manuscript-btn.active {
  color: var(--accent);
  background: var(--accent-glow);
}
@media (hover: hover) and (pointer: fine) {
  .composer-manuscript-btn:hover {
    color: var(--accent);
    background: var(--accent-glow);
  }
}
.composer-send {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: filter 0.15s, transform 0.1s;
  appearance: none;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.composer-send:hover { filter: brightness(1.1); }
.composer-send:active { transform: scale(0.94); }

.share-panel-body {
  padding: 0.85rem 0 1.25rem;
}

.share-section {
  padding: 0 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.share-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.share-section-title {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.share-section-hint {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.share-search-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.share-search-row input {
  flex: 1;
  min-width: 0;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
}

.share-search-row select {
  flex-shrink: 0;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
}

.share-members-list,
.share-friends-picker,
.friends-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.share-member-item,
.share-picker-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.share-member-item:last-child,
.share-picker-item:last-child {
  border-bottom: none;
}

.share-member-avatar {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #2a5a4a 0%, #1a3d32 100%);
}

.share-member-info,
.share-picker-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.share-member-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: flex-end;
}

.share-member-name,
.share-picker-name {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.share-member-meta,
.share-picker-handle {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.share-members-empty,
.share-members-hint,
.share-picker-empty {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
  padding: 0.35rem 0;
}

.share-members-hint {
  border-bottom: none;
  padding-top: 0.5rem;
}

.friends-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.friends-list li:last-child {
  border-bottom: none;
}

.friend-invite-btn,
.friend-remove-btn,
.collab-remove-btn {
  flex-shrink: 0;
}

.message-sender {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.12rem;
}
.bubble.assistant .message-sender {
  color: var(--accent);
}
.bubble.user.other .message-sender {
  color: #e879a8;
}

.chat-typing-bar {
  padding: 0.35rem 1rem 0;
  font-size: 0.75rem;
  color: var(--muted);
  font-style: italic;
}

.settings-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.settings-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.settings-inline-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.settings-inline-form input {
  flex: 1;
  min-width: 140px;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

/* Pin modal layer to visual viewport so it stays above the mobile keyboard. */
@media (max-width: 768px) {
  .modal.modal-vv-bound {
    inset: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay-backdrop);
  backdrop-filter: blur(4px);
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: 1.75rem;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
}
.modal-desc {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.modal-actions .btn-primary { margin-top: 0; box-shadow: none; }

.modal-card-compact {
  max-width: 22rem;
  text-align: center;
}

.modal-card-compact .modal-actions {
  justify-content: center;
}

/* ── Settings panel ── */
.panel {
  flex: 1;
  min-height: 0;
  width: 100%;
  margin: 0;
  padding: 1.5rem 1.25rem 3rem;
  overflow-y: auto;
}
.settings-panel.panel,
.settings-panel {
  max-width: none;
}
.panel h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.35rem;
}
.settings-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}
.settings-form input:not([type="checkbox"]) {
  background: var(--bg-elevated);
}
.field-checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-soft);
  margin-top: 0.15rem;
}
.field-checkbox input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  padding: 0;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.provider-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}
.provider-list:empty { display: none; }
.provider-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  margin-bottom: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-soft);
}
.provider-item:last-child {
  border-bottom: none;
}
.provider-item.editing {
  background: var(--accent-subtle-bg);
}
.provider-item-info {
  flex: 1;
  min-width: 0;
}
.provider-item-name {
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.15rem;
}
.provider-item-meta {
  font-size: 0.8rem;
  color: var(--muted);
  word-break: break-all;
}
.provider-item-actions {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
}
.field-hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}
.settings-form-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.25rem;
}
.settings-form-actions .btn-primary { flex: 1; min-width: 0; }
.auth-methods-card {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  background: transparent;
  border: none;
  border-radius: 0;
  border-top: 1px solid var(--border);
}
.auth-methods-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.auth-method-status {
  margin: 0.85rem 0;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  background: var(--accent-subtle-bg);
  border: 1px solid var(--accent-subtle-border);
  color: var(--text-soft);
  font-size: 0.9rem;
}
.auth-method-status.error {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text-soft);
}
.panel .error {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.hint { color: var(--muted); font-size: 0.9rem; }
.error { color: var(--danger); }
.success { color: var(--accent-dim); font-size: 0.9rem; margin-top: 0.5rem; }

.form-feedback {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.45;
}
.form-feedback.hidden,
.form-feedback:empty {
  display: none;
}
.form-feedback-success {
  color: var(--text-soft);
  background: var(--accent-subtle-bg);
  border: 1px solid var(--accent-subtle-border);
}
.form-feedback-error {
  color: var(--danger-text-soft);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
}

/* Desktop: manuscript split + settings layout */
@media (min-width: 769px) {
  .chats-sidebar-footer {
    display: block;
  }

  .fab {
    display: none !important;
  }

  .chat-info-sheet-body {
    padding-top: 1rem;
  }

  .chat-info-sheet-body .settings-section-head {
    display: none;
    pointer-events: none;
  }

  .chat-info-sheet-body .settings-section-body {
    display: block !important;
    padding-top: 0;
  }

  #manuscript-close-desktop { display: grid; }
  .manuscript-toolbar-btn { display: grid; }
  .composer-manuscript-btn { display: none; }
  .manuscript-overlay { display: none !important; }
  .chat-workspace.manuscript-open .manuscript-splitter {
    display: block;
  }

  .settings-page-head {
    display: block;
    margin-bottom: 2rem;
  }

  .settings-section-head {
    display: none;
    pointer-events: none;
  }

  .settings-panel-foot {
    display: none;
  }

  .settings-section {
    display: none;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }

  .settings-section.is-active {
    display: block;
  }

  .settings-panel {
    padding: 2.5rem clamp(2rem, 4vw, 4rem) 4rem;
    max-width: 1100px;
  }

  .settings-form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-providers-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    gap: 2rem;
    align-items: start;
  }

  .settings-providers-list-wrap {
    position: sticky;
    top: 0;
  }
}

@media (min-width: 1100px) {
  .settings-providers-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 420px);
  }
}

/* Mobile: single-pane chat + settings hub/detail */
@media (max-width: 768px) {
  .chats-layout { grid-template-columns: 1fr; }
  .chats-layout:not(.chat-open) .chat-panel { display: none; }
  .chats-layout.chat-open .chats-sidebar { display: none; }
  .chats-layout.chat-open #chat-back-btn { display: grid; }
  .chat-workspace.manuscript-open .manuscript-panel { display: none; }
  .chats-layout.chat-open #chat-info-close-btn { display: grid; }
  .fab { right: calc(1rem + var(--safe-right)); bottom: calc(1rem + var(--safe-bottom)); }
  .auth-card { padding: 1.5rem; }

  .settings-layout {
    grid-template-columns: 1fr;
  }

  .settings-sidebar {
    display: none;
  }

  .settings-sidebar-logout {
    display: none;
  }

  .settings-mobile-toolbar {
    display: flex;
  }

  .settings-mobile-hub {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.5rem;
  }

  #settings-view.settings-mobile-detail .settings-mobile-hub {
    display: none;
  }

  .settings-hub-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.95rem 0;
    border: none;
    border-bottom: 1px solid var(--border);
    background: transparent;
    color: inherit;
    cursor: pointer;
    text-align: left;
    font: inherit;
  }

  .settings-hub-row:last-child {
    border-bottom: none;
  }

  .settings-hub-row:active {
    opacity: 0.85;
  }

  .settings-hub-row-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
  }

  .settings-hub-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
  }

  .settings-hub-subtitle {
    font-size: 0.78rem;
    color: var(--muted);
    line-height: 1.35;
  }

  .settings-hub-subtitle:empty {
    display: none;
  }

  .settings-hub-chevron {
    flex-shrink: 0;
    color: var(--muted);
    transform: rotate(-90deg);
  }

  .settings-section {
    display: none;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }

  .settings-section-head {
    display: none;
    pointer-events: none;
  }

  .settings-section-body {
    display: block;
    padding: 0 0 1.25rem;
  }

  #settings-view.settings-mobile-detail .settings-section.settings-mobile-visible {
    display: block;
  }

  .settings-page-head {
    display: none;
  }

  #settings-view.settings-mobile-detail .settings-page-head {
    display: block;
    margin-bottom: 1.25rem;
  }

  #settings-view.settings-mobile-detail .settings-page-title {
    font-size: 1.35rem;
    margin-bottom: 0.35rem;
  }

  #settings-view.settings-mobile-detail .settings-page-desc {
    font-size: 0.82rem;
  }

  .settings-panel {
    padding: 0.35rem 1rem calc(2.75rem + var(--safe-bottom));
  }

  #settings-view.settings-mobile-detail .settings-panel {
    padding-top: 0.85rem;
  }

  .settings-panel-foot {
    display: block;
    margin-top: 0.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
  }

  #settings-view.settings-mobile-detail .settings-panel-foot {
    display: none;
  }
}

/* ── Appearance settings ── */
.appearance-settings {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  max-width: 36rem;
}

.appearance-field {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.appearance-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.appearance-select {
  width: 100%;
  max-width: 20rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

.appearance-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.75rem;
}

.theme-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  text-align: start;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.theme-card:hover {
  background: var(--panel-hover);
  border-color: var(--border-focus);
}

.theme-card.active {
  border-color: var(--accent);
  background: var(--panel-hover);
  box-shadow: 0 0 0 1px var(--accent);
}

.theme-card-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.theme-card-desc {
  font-size: 0.75rem;
  color: var(--muted);
}

[dir="rtl"] .settings-nav-link,
[dir="rtl"] .back-btn-icon {
  transform: scaleX(-1);
}