/* Shared neutral surfaces for navigation and preferences. */
body {
  --nav-surface: #f7f7f8;
  --settings-surface: #ffffff;
  --nav-ink: #28292e;
  --nav-muted: #747780;
  --nav-hover: #ebebee;
  --nav-selected: #e4e5e9;
  --settings-line: #e8e8ec;
  --settings-field: #f5f5f7;
}
body.dark-mode {
  --nav-surface: #17181b;
  --settings-surface: #222327;
  --nav-ink: #e8e9ed;
  --nav-muted: #a3a5af;
  --nav-hover: #26272c;
  --nav-selected: #303138;
  --settings-line: #34353c;
  --settings-field: #2b2c32;
}

body #sidebar {
  --nav-surface: #181a1f;
  --nav-ink: #eeeef2;
  --nav-muted: #b5b8c2;
  --nav-hover: #262930;
  --nav-selected: #30343d;
  --sidebar-bg: #181a1f;
  --sidebar-text: #eeeef2;
  --sidebar-hover: #262930;
  --sidebar-active: #30343d;
  background: #181a1f;
  background-image: none;
  color: var(--nav-ink);
  border: 0;
  box-shadow: none;
  scrollbar-color: #4c515e transparent;
}
#sidebar::before, #sidebar::after { display: none; }
#sidebar .sidebar-header { padding: 16px 12px 8px; gap: 12px; background: transparent; }
#sidebar .sidebar-brand { gap: 4px; padding: 0 2px 8px; }
#sidebar .sidebar-brand-copy { display: flex; align-items: center; gap: 7px; transform: none; }
#sidebar .sidebar-brand-copy { min-width: 0; }
#sidebar .logo-img { display: block; width: 100%; max-width: 180px; height: auto; max-height: 40px; object-fit: contain; object-position: left center; filter: none; }
#sidebar .sidebar-brand { background: transparent; border-radius: 0; padding: 8px 2px 12px; }
#sidebar .sidebar-brand .sidebar-top-icon,
#sidebar .sidebar-brand .sidebar-collapse-btn { color: #dce5f0; }
#sidebar .sidebar-brand .sidebar-top-icon:hover,
#sidebar .sidebar-brand .sidebar-collapse-btn:hover { color: #ffffff; background: #2b3545; }
#sidebar .sidebar-top-icon,
#sidebar .sidebar-collapse-btn { width: 30px; min-width: 30px; height: 32px; min-height: 32px; flex: 0 0 30px; padding: 6px; color: var(--nav-muted); border: 0; border-radius: 8px; background: transparent; box-shadow: none; }
#sidebar .sidebar-top-icon i { width: 18px; font-size: 16px; }
#sidebar .new-chat-btn { border: 0; border-radius: 10px; box-shadow: none; background: transparent; transform: none; }
#sidebar .new-chat-btn-inner { min-height: 40px; padding: 8px 10px; gap: 10px; border: 0; border-radius: 10px; background: transparent; color: var(--nav-ink); font-size: 14px; font-weight: 550; }
#sidebar .new-chat-icon { width: 20px; height: 20px; border-radius: 0; background: none; box-shadow: none; color: var(--nav-ink); font-size: 17px; }
#sidebar .sidebar-nav { gap: 2px; }
#sidebar .sidebar-nav .sidebar-nav-item { min-height: 36px; padding: 8px 10px; gap: 10px; border: 0; border-radius: 9px; color: var(--nav-ink); font-size: 13px; font-weight: 450; text-decoration: none; background: transparent; transform: none; }
#sidebar .sidebar-nav-item i { width: 20px; font-size: 16px; color: var(--nav-muted); }
#sidebar .sidebar-nav .sidebar-nav-item:hover,
#sidebar .new-chat-btn:hover .new-chat-btn-inner,
#sidebar .sidebar-top-icon:hover,
#sidebar .sidebar-collapse-btn:hover { background: var(--nav-hover); color: var(--nav-ink); transform: none; }
#sidebar .sidebar-nav .sidebar-nav-item.active { background: var(--nav-selected); color: var(--nav-ink); }
#sidebar .sidebar-nav-item span { color: inherit; }
#sidebar .sidebar-external-arrow { margin-left: auto; font-size: 14px; opacity: .5; }
#sidebar .sidebar-recents { padding: 20px 22px 6px; }
#sidebar .sidebar-section-label { color: var(--nav-muted); font-size: 11px; font-weight: 500; letter-spacing: 0; text-transform: none; }
#sidebar .conversation-list { padding: 0 12px 12px; scrollbar-width: thin; }
#sidebar .conversation-item { padding: 9px 10px; min-height: 36px; border: 0; border-radius: 9px; box-shadow: none; background: transparent; transform: none; }
#sidebar .conversation-item:hover { background: var(--nav-hover); }
#sidebar .conversation-item.active { background: var(--nav-selected); }
#sidebar .conversation-title,
#sidebar .conversation-title > span:first-child { font-size: 13px; font-weight: 400; color: var(--nav-ink); }
#sidebar .conversation-meta { font-size: 11px; color: var(--nav-muted); }
#sidebar .conversation-action-btn { color: var(--nav-muted); }
#sidebar .sidebar-footer { padding: 8px 12px 12px; border: 0; background: var(--nav-surface); gap: 4px; }
#sidebar .user-profile { padding: 8px; border: 0; border-radius: 10px; background: transparent; gap: 9px; }
#sidebar .user-profile:hover { background: var(--nav-hover); }
#sidebar .user-avatar { width: 32px; height: 32px; min-width: 32px; flex: 0 0 32px; font-size: 14px; border-radius: 50%; box-shadow: none; }
#sidebar .user-name { font-size: 13px; font-weight: 550; color: var(--nav-ink); }
#sidebar .user-email { font-size: 11px; color: var(--nav-muted); }
#sidebar .verified-checkmark { padding: 2px 5px; border-radius: 5px; font-size: 9px; background: var(--nav-selected); color: var(--nav-ink); box-shadow: none; }
#sidebar .report-problem-btn { width: 30px; min-width: 30px; height: 32px; padding: 6px; border: 0; border-radius: 8px; background: transparent; color: var(--nav-muted); box-shadow: none; }
#sidebar .report-problem-btn i { font-size: 16px; }
#sidebar :is(button,a):focus-visible { outline: 2px solid #849ac1; outline-offset: 2px; }

/* Keep text and all nested controls paired with the sidebar surface. */
body #sidebar .sidebar-nav .sidebar-nav-item,
body #sidebar .sidebar-nav .sidebar-nav-item span,
body #sidebar .conversation-title,
body #sidebar .conversation-title > span:first-child,
body #sidebar .new-chat-label,
body #sidebar .user-name {
  color: var(--nav-ink);
  -webkit-text-fill-color: currentColor;
  opacity: 1;
}
body #sidebar .sidebar-nav-item i,
body #sidebar .sidebar-section-label,
body #sidebar .conversation-meta,
body #sidebar .user-email,
body #sidebar .conversation-item svg { color: var(--nav-muted); opacity: 1; }
body #sidebar .new-chat-btn-inner { background: #252830; box-shadow: none; }
body #sidebar .new-chat-btn:hover .new-chat-btn-inner { background: var(--nav-selected); }
body #sidebar .sidebar-footer { background: transparent; }
body #sidebar .conversation-actions { background: var(--nav-surface); box-shadow: none; }
body #sidebar .conversation-item:hover .conversation-actions { background: var(--nav-hover); }
body #sidebar .conversation-item.active .conversation-actions { background: var(--nav-selected); }
body #sidebar .conversation-action-btn:hover,
body #sidebar .report-problem-btn:hover { background: var(--nav-selected); color: var(--nav-ink); }
body #sidebar .user-avatar:not(.has-image) { background: #384455; color: #eef3fc; }
#sidebar .conversation-list::-webkit-scrollbar { width: 5px; }
#sidebar .conversation-list::-webkit-scrollbar-track { background: transparent; }
#sidebar .conversation-list::-webkit-scrollbar-thumb { background: #4c515e; border-radius: 6px; }

#settings-modal { background: rgba(0, 0, 0, .45); backdrop-filter: blur(5px); }
#settings-modal .settings-modal { width: min(920px, calc(100% - 40px)); max-width: 920px; max-height: min(820px, calc(100dvh - 64px)); border: 0; border-radius: 22px; background: var(--settings-surface); color: var(--nav-ink); box-shadow: 0 24px 90px rgba(0,0,0,.25); overflow: hidden; }
#settings-modal .modal-header { padding: 22px 26px; background: var(--settings-surface); border-bottom: 1px solid var(--settings-line); }
#settings-modal .modal-title { font-size: 20px; font-weight: 600; letter-spacing: -.5px; color: var(--nav-ink); }
#settings-modal .modal-close { width: 32px; height: 32px; border-radius: 8px; border: 0; color: var(--nav-muted); background: transparent; }
#settings-modal .modal-close:hover { background: var(--nav-hover); color: var(--nav-ink); transform: none; }
#settings-modal .settings-modal { display: flex; flex-direction: column; height: auto; min-height: 0; }
#settings-modal .modal-header,
#settings-modal .modal-footer { flex: 0 0 auto; position: relative; }
#settings-modal .modal-body { flex: 1 1 auto; min-height: 0; max-height: none; padding: 0; overflow-y: auto; overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; scrollbar-width: thin; scrollbar-color: #8b929e transparent; }
#settings-modal .settings-body { padding: 0; background: var(--settings-surface); gap: 0; }
#settings-modal .settings-layout { display: grid; grid-template-columns: 190px minmax(0,1fr); gap: 0; }
#settings-modal .settings-nav { position: sticky; top: 0; padding: 20px 12px; gap: 4px; flex-direction: column; flex-wrap: nowrap; background: var(--settings-surface); }
#settings-modal .settings-nav-btn { min-height: 38px; padding: 10px 12px; gap: 10px; border: 0; border-radius: 9px; background: transparent; color: var(--nav-muted); font-size: 13px; font-weight: 450; box-shadow: none; transform: none; text-align: left; }
#settings-modal .settings-nav-btn i { width: 18px; font-size: 15px; color: inherit; }
#settings-modal .settings-nav-btn:hover { background: var(--nav-hover); color: var(--nav-ink); }
#settings-modal .settings-nav-btn.active { background: var(--nav-selected); color: var(--nav-ink); font-weight: 550; }
#settings-modal .settings-content { min-width: 0; padding: 26px 28px; border: 0; border-left: 1px solid var(--settings-line); border-radius: 0; background: transparent; }
#settings-modal .settings-panel:not(#settings-models-panel) .settings-card,
#settings-modal .settings-panel:not(#settings-models-panel) .settings-panel-block { padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
#settings-modal .settings-panel:not(#settings-models-panel) .settings-card::before,
#settings-modal .settings-panel:not(#settings-models-panel) .settings-card::after { display: none; }
#settings-modal .settings-panel:not(#settings-models-panel) .settings-panel-block + .settings-panel-block { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--settings-line); }
#settings-modal .settings-panel-heading { color: var(--nav-ink); font-size: 14px; font-weight: 550; margin-bottom: 14px; }
#settings-modal .settings-panel:not(#settings-models-panel) .settings-card-header h3,
#settings-modal .settings-panel:not(#settings-models-panel) .settings-card-header h4 { color: var(--nav-ink); font-size: 19px; font-weight: 550; letter-spacing: -.3px; }
#settings-modal .settings-panel:not(#settings-models-panel) .settings-eyebrow { display: none; }
#settings-modal .settings-panel:not(#settings-models-panel) .settings-description,
#settings-modal .settings-panel:not(#settings-models-panel) .settings-inline-note { color: var(--nav-muted); font-size: 12px; line-height: 1.6; }
#settings-modal .settings-panel:not(#settings-models-panel) .settings-label,
#settings-modal .settings-row-label { color: var(--nav-ink); font-size: 13px; font-weight: 450; }
#settings-modal .settings-option { padding: 18px 0; border-color: var(--settings-line); }
#settings-modal .settings-theme-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
#settings-modal .settings-theme-card { min-width: 0; padding: 14px 10px; flex-direction: row; gap: 8px; background: var(--settings-field); color: var(--nav-muted); border: 1px solid transparent; border-radius: 10px; font-size: 13px; font-weight: 450; transform: none; }
#settings-modal .settings-theme-card.active { background: var(--nav-selected); color: var(--nav-ink); border-color: #8b95a8; }
#settings-modal .settings-theme-card:hover { color: var(--nav-ink); background: var(--nav-hover); }
#settings-modal .settings-select,
#settings-modal .settings-input { background: var(--settings-field); color: var(--nav-ink); border: 1px solid var(--settings-line); border-radius: 9px; padding: 9px 12px; font-size: 13px; box-shadow: none; }
#settings-modal .settings-profile,
#settings-modal .settings-client-id,
#settings-modal .settings-client-id-display { background: var(--settings-field); color: var(--nav-ink); border: 0; border-radius: 12px; box-shadow: none; }
#settings-modal .settings-profile-name { color: var(--nav-ink); font-size: 18px; }
#settings-modal .settings-profile-email { color: var(--nav-muted); font-size: 13px; }
#settings-modal .settings-link { background: transparent; border: 0; border-bottom: 1px solid var(--settings-line); border-radius: 0; padding: 16px 0; color: var(--nav-ink); box-shadow: none; transform: none; }
#settings-modal .settings-link:hover { background: var(--settings-field); }
#settings-modal .settings-pill-toggle { padding: 3px; border: 0; background: var(--settings-field); border-radius: 9px; }
#settings-modal .pill-toggle-btn { background: transparent; color: var(--nav-muted); border: 0; border-radius: 7px; font-size: 12px; box-shadow: none; }
#settings-modal .pill-toggle-btn[aria-pressed="true"] { background: var(--nav-selected); color: var(--nav-ink); }
#settings-modal .slider { background: var(--nav-selected); box-shadow: none; }
#settings-modal input:checked + .slider { background: #488775; }
#settings-modal input:focus-visible + .slider { outline: 2px solid #849ac1; outline-offset: 3px; }
#settings-modal .modal-footer { padding: 16px 24px; gap: 12px; background: var(--settings-surface); border-top: 1px solid var(--settings-line); }
#settings-modal .settings-footer-status { color: var(--nav-muted); font-size: 11px; }
#settings-modal .modal-btn { padding: 9px 14px; border-radius: 9px; font-size: 12px; font-weight: 500; box-shadow: none; transform: none; }
#settings-modal .modal-btn-secondary { border: 1px solid var(--settings-line); background: transparent; color: var(--nav-ink); }
#settings-modal .modal-btn-primary { border: 1px solid transparent; background: var(--nav-ink); color: var(--settings-surface); }
#settings-modal :is(button,a,select,input):focus-visible { outline: 2px solid #849ac1; outline-offset: 3px; }

@media (max-width: 680px) {
  #settings-modal .settings-modal { width: calc(100% - 20px); height: auto; max-height: calc(100dvh - 24px); border-radius: 18px; }
  #settings-modal .modal-header { padding: 18px; }
  #settings-modal .settings-layout { grid-template-columns: 1fr; }
  #settings-modal .settings-nav { position: static; flex-direction: row; flex-wrap: nowrap; overflow-x: auto; padding: 10px 12px; border-bottom: 1px solid var(--settings-line); }
  #settings-modal .settings-nav-btn { flex: 0 0 auto; white-space: nowrap; }
  #settings-modal .settings-content { padding: 20px 18px; border: 0; }
  #settings-modal .modal-footer { padding: 14px 16px; flex-wrap: wrap; }
  #settings-modal .settings-footer-actions { flex-wrap: wrap; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  #settings-modal .settings-panel { animation: none; }
}

/* Enterprise has its own quiet violet identity, distinct from the Pro pill. */
#sidebar .verified-checkmark[data-plan="enterprise"],
#settings-modal .verified-checkmark[data-plan="enterprise"] {
  flex-shrink: 0;
  gap: 4px;
  height: 20px;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid #b8a4ef;
  background: #eee8fc;
  color: #56338a;
  font-size: 9px;
  font-weight: 650;
  letter-spacing: .01em;
  text-transform: none;
  white-space: nowrap;
}
#sidebar .verified-checkmark[data-plan="enterprise"],
body.dark-mode #settings-modal .verified-checkmark[data-plan="enterprise"] {
  background: #302a42;
  border-color: #665380;
  color: #e0ceff;
}
.verified-checkmark[data-plan="enterprise"]::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border: 1px solid currentColor;
  border-radius: 1px;
  transform: rotate(45deg);
}
#sidebar .user-name-row { display: flex; width: 100%; min-width: 0; gap: 6px; }
#sidebar .user-name-row .user-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#sidebar .user-name-row .verified-checkmark { flex-shrink: 0; }