.theme-toggle {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--border-default, #d1d5db);
  border-radius: 6px;
  background: var(--bg-surface, #fff);
  color: var(--text-secondary, #374151);
  cursor: pointer;
}
.theme-toggle:hover { background: var(--bg-elevated, #f4f6f9); color: var(--text-primary, #111827); }
.theme-toggle:focus-visible { outline: 2px solid var(--text-link, #0f62fe); outline-offset: 3px; }
.theme-toggle--login { position: fixed; top: 16px; right: 16px; z-index: 10; }

:root {
  --bg-base: var(--bg-surface);
  --bg-muted: var(--bg-elevated);
  --border-subtle: var(--border-default);
}

html[data-theme="light"] .sidebar__section-label,
html[data-theme="light"] .divider { color: var(--text-muted); }
html[data-theme="light"] .creds-box__title { color: var(--success); }
html[data-theme="light"] .arrow { color: var(--text-muted); }
html[data-theme="light"] .state.soon { color: #92400e; }
html[data-theme="light"] .accion--other { color: var(--text-muted); }

html[data-theme="dark"] {
  --bs-body-color: var(--text-primary);
  --bs-body-bg: var(--bg-app);
  --bs-secondary-color: var(--text-muted);
  --bs-tertiary-bg: var(--bg-elevated);
  --bs-border-color: var(--border-default);
  --bs-emphasis-color: var(--text-primary);
  --bs-link-color: var(--text-link);
  --bs-link-hover-color: #b3d1ff;
  --bs-secondary-bg: var(--bg-elevated);
}
html[data-theme="dark"] .topbar,
html[data-theme="dark"] .sidebar { background: var(--bg-surface); border-color: var(--border-default); }
html[data-theme="dark"] .main-content { background: var(--bg-app); }
html[data-theme="dark"] .sidebar__section-label { color: var(--text-muted); }
html[data-theme="dark"] .sidebar__divider { background: var(--border-default); }
html[data-theme="dark"] .sidebar__footer { border-color: var(--border-default); }
html[data-theme="dark"] .nav-item { color: var(--text-secondary); }
html[data-theme="dark"] .nav-item:hover,
html[data-theme="dark"] .nav-item:active { background: var(--bg-elevated); color: var(--text-primary); }
html[data-theme="dark"] .nav-item.is-active { background: var(--warning-bg); color: var(--text-primary); }
html[data-theme="dark"] .nav-item.is-active:hover { background: var(--color-yellow-100); }
html[data-theme="dark"] .sidebar__toggle-btn { background: var(--bg-elevated); color: var(--text-secondary); border-color: var(--border-default); }
html[data-theme="dark"] .sidebar__toggle-btn:hover { background: var(--primary-light); color: var(--text-link); border-color: var(--primary-border); }
html[data-theme="dark"] .nav-item[data-tooltip]::after,
html[data-theme="dark"] .tooltip-app::after { background: var(--bg-elevated); color: var(--text-primary); }
html[data-theme="dark"] .nav-item__badge,
html[data-theme="dark"] .badge-count:not(.badge-count--primary),
html[data-theme="dark"] .btn-app--danger,
html[data-theme="dark"] .btn-app--danger:hover,
html[data-theme="dark"] .btn-app--success,
html[data-theme="dark"] .btn-app--success:hover,
html[data-theme="dark"] .perm-seg__btn.is-active { color: #17191c; }
html[data-theme="dark"] .badge-status--closed { background: var(--bg-elevated); color: var(--text-muted); }
html[data-theme="dark"] .btn-icon--primary:hover { color: var(--text-link); }
html[data-theme="dark"] .panel__link,
html[data-theme="dark"] .panel__link:hover,
html[data-theme="dark"] .kpi-card__action,
html[data-theme="dark"] .kpi-card__action:hover,
html[data-theme="dark"] .text-link,
html[data-theme="dark"] .app-table thead th.th-sorted,
html[data-theme="dark"] .th-sort-icon.is-asc,
html[data-theme="dark"] .th-sort-icon.is-desc,
html[data-theme="dark"] .btn-more-filters.is-active,
html[data-theme="dark"] .chip,
html[data-theme="dark"] .chip__remove,
html[data-theme="dark"] .timeline-dot--upload,
html[data-theme="dark"] .avatar,
html[data-theme="dark"] .notification-center__count,
html[data-theme="dark"] .notification-center__reset:hover,
html[data-theme="dark"] .notification-center__statuses button[aria-pressed="true"],
html[data-theme="dark"] .toast--info .toast__icon { color: var(--text-link); }
html[data-theme="dark"] .contracts-count,
html[data-theme="dark"] .cfg-tab.is-active,
html[data-theme="dark"] .cfg-configurar-btn:hover,
html[data-theme="dark"] .cfg-configurar-btn.is-active,
html[data-theme="dark"] .cfg-add-field-btn,
html[data-theme="dark"] .role-badge--admin,
html[data-theme="dark"] .empresa-user-avatar,
html[data-theme="dark"] .tipo-default-badge,
html[data-theme="dark"] .member-avatar,
html[data-theme="dark"] .tipo-badge--contrato,
html[data-theme="dark"] .az-stat__num,
html[data-theme="dark"] .te-section-heading,
html[data-theme="dark"] .page-footer__sub,
html[data-theme="dark"] .tl-dot--upload,
html[data-theme="dark"] .adenda-upload__icon,
html[data-theme="dark"] .adendas-tab[aria-selected="true"],
html[data-theme="dark"] .adenda-history__link,
html[data-theme="dark"] .file-item__status--uploading,
html[data-theme="dark"] .persona-item__badge--admin,
html[data-theme="dark"] .sort-icon.active,
html[data-theme="dark"] .breadcrumb-custom a:hover { color: var(--text-link); }
html[data-theme="dark"] .apr-tab:hover:not(.active),
html[data-theme="dark"] .type-tab:hover:not(.active) { color: var(--text-link); }
html[data-theme="dark"] .th-sorted { color: var(--text-link) !important; }
html[data-theme="dark"] .nav-item__badge { color: #17191c !important; }
html[data-theme="dark"] .expiry-days__count--alert { color: var(--danger); }
html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] textarea::placeholder { color: var(--text-disabled); opacity: 1; }
html[data-theme="dark"] select option { background: var(--bg-surface); color: var(--text-primary); }
html[data-theme="dark"] input[type="checkbox"],
html[data-theme="dark"] input[type="radio"] { accent-color: var(--primary); }

html[data-theme="dark"] .ai-chat__body { background: var(--bg-app); }
html[data-theme="dark"] .ai-chat__bubble,
html[data-theme="dark"] .ai-chat__results,
html[data-theme="dark"] .ai-chat__composer,
html[data-theme="dark"] .ai-chat__composer textarea,
html[data-theme="dark"] .ai-chat.is-loading .ai-chat__body::after { background: var(--bg-surface); border-color: var(--border-default); }
html[data-theme="dark"] .ai-chat__message--user .ai-chat__bubble { background: #176b57; border-color: #278670; color: #fff; }
html[data-theme="dark"] .ai-chat__result { border-color: var(--border-default); }
html[data-theme="dark"] .ai-chat__result:hover { background: var(--success-bg); }
html[data-theme="dark"] .ai-chat__result strong { color: var(--success); }

html[data-theme="dark"] .kpi-card { background: var(--bg-surface); border-color: var(--border-default); box-shadow: var(--shadow-sm); }
html[data-theme="dark"] .kpi-card__value,
html[data-theme="dark"] .dash-hero__greeting,
html[data-theme="dark"] .status-summary__total { color: var(--text-primary); }
html[data-theme="dark"] .kpi-card__label { color: var(--text-muted); }
html[data-theme="dark"] .kpi-card__icon--blue,
html[data-theme="dark"] .activity-icon--blue { background: var(--primary-light); color: var(--text-link); }
html[data-theme="dark"] .kpi-card__icon--yellow,
html[data-theme="dark"] .expiry-icon { background: var(--warning-bg); color: var(--warning); }
html[data-theme="dark"] .kpi-card__icon--green,
html[data-theme="dark"] .activity-icon--green,
html[data-theme="dark"] .activity-icon--check { background: var(--success-bg); color: var(--success); }
html[data-theme="dark"] .activity-icon--sky { background: var(--info-bg); color: var(--info); }

html[data-theme="dark"] .accordion__header.is-open { background: var(--primary-light); color: var(--text-link); }
html[data-theme="dark"] .btn-tbl-edit,
html[data-theme="dark"] .btn-icon-sm--edit,
html[data-theme="dark"] .role-badge--enc,
html[data-theme="dark"] .alert-warn { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }
html[data-theme="dark"] .btn-tbl-edit:hover,
html[data-theme="dark"] .btn-icon-sm--edit:hover { background: var(--color-yellow-100); }
html[data-theme="dark"] .btn-tbl-del,
html[data-theme="dark"] .btn-icon-sm--del { background: var(--danger-bg); color: var(--danger); }
html[data-theme="dark"] .btn-tbl-del:hover,
html[data-theme="dark"] .btn-icon-sm--del:hover { background: var(--color-red-100); }
html[data-theme="dark"] .btn-icon-sm--save { background: var(--success-bg); color: var(--success); }
html[data-theme="dark"] .btn-icon-sm--save:hover { background: var(--color-green-100); }
html[data-theme="dark"] .btn-icon-sm--members,
html[data-theme="dark"] .azure-badge { background: var(--primary-light); color: var(--text-link); border-color: var(--primary-border); }
html[data-theme="dark"] .btn-icon-sm--members:hover { background: var(--color-primary-100); }
html[data-theme="dark"] .btn-icon-sm--members.is-open { background: var(--primary); color: #fff; }
html[data-theme="dark"] .cfg-quick,
html[data-theme="dark"] .cfg-preview,
html[data-theme="dark"] .cfg-contract-grid,
html[data-theme="dark"] .cfg-contract-shell__head,
html[data-theme="dark"] .cfg-forms-row.is-expanded,
html[data-theme="dark"] .cfg-forms-detail { background: var(--bg-elevated); border-color: var(--border-default); }
html[data-theme="dark"] .cfg-quick-btn,
html[data-theme="dark"] .cfg-contract-shell,
html[data-theme="dark"] .cfg-contract-card,
html[data-theme="dark"] .cfg-contract-preview-sec,
html[data-theme="dark"] .cfg-contract-row,
html[data-theme="dark"] .cfg-preview__item { background: var(--bg-surface); border-color: var(--border-default); }
html[data-theme="dark"] .cfg-quick-btn:hover { border-color: var(--primary-border); }
html[data-theme="dark"] .cfg-contract-preview-sec h4,
html[data-theme="dark"] .cfg-contract-preview-field b { color: var(--text-primary); }
html[data-theme="dark"] .cfg-contract-preview-field,
html[data-theme="dark"] .cfg-contract-optional { color: var(--text-muted); }
html[data-theme="dark"] .cfg-contract-required { color: var(--text-link); }
html[data-theme="dark"] .cfg-custom-field-form { background: var(--primary-light); border-color: var(--primary-border); }
html[data-theme="dark"] .cfg-add-field-btn { color: var(--text-link); border-color: var(--border-strong); }
html[data-theme="dark"] .cfg-add-field-btn:hover { border-color: var(--primary-border); }


html[data-theme="dark"] .apr-page { --apr-red: var(--danger); --apr-green: var(--success); --apr-amber: var(--warning); }
html[data-theme="dark"] .apr-tab[data-estado="Pendiente"],
html[data-theme="dark"] .apr-state--Pendiente,
html[data-theme="dark"] .apr-table .is-changed .apr-table__label { background: var(--warning-bg); border-color: var(--warning-border); }
html[data-theme="dark"] .apr-tab[data-estado="Aprobada"],
html[data-theme="dark"] .apr-tab[data-hist="Aprobada"],
html[data-theme="dark"] .apr-badge--crear,
html[data-theme="dark"] .apr-state--Aprobada,
html[data-theme="dark"] .apr-table--detalle:not(.apr-table--eliminar) th:nth-child(3),
html[data-theme="dark"] .apr-table--detalle:not(.apr-table--eliminar) td:nth-child(3),
html[data-theme="dark"] .apr-table .is-changed td:nth-child(3) { background: var(--success-bg); border-color: var(--success-border); }
html[data-theme="dark"] .apr-tab[data-estado="Rechazada"],
html[data-theme="dark"] .apr-tab[data-hist="Rechazada"],
html[data-theme="dark"] .apr-badge--eliminar,
html[data-theme="dark"] .apr-state--Rechazada,
html[data-theme="dark"] .apr-table--detalle:not(.apr-table--eliminar) th:nth-child(2),
html[data-theme="dark"] .apr-table--detalle:not(.apr-table--eliminar) td:nth-child(2),
html[data-theme="dark"] .apr-table .is-changed td:nth-child(2) { background: var(--danger-bg); border-color: var(--danger-border); }
html[data-theme="dark"] .apr-tab.active[data-estado="Pendiente"] { background: var(--warning); color: #17191c; }
html[data-theme="dark"] .apr-tab.active[data-estado="Aprobada"],
html[data-theme="dark"] .apr-tab.active[data-hist="Aprobada"] { background: var(--success); color: #17191c; }
html[data-theme="dark"] .apr-tab.active[data-estado="Rechazada"],
html[data-theme="dark"] .apr-tab.active[data-hist="Rechazada"] { background: var(--danger); color: #17191c; }
html[data-theme="dark"] .apr-badge--editar { color: var(--text-link); }

html[data-theme="dark"] .accion--login,
html[data-theme="dark"] .accion--restore,
html[data-theme="dark"] .doc-icon--xlsx,
html[data-theme="dark"] .doc-item__icon--xlsx { background: var(--success-bg); color: var(--success); }
html[data-theme="dark"] .accion--logout { background: var(--info-bg); color: var(--info); }
html[data-theme="dark"] .accion--create,
html[data-theme="dark"] .doc-icon--docx,
html[data-theme="dark"] .doc-item__icon--docx { background: var(--primary-light); color: var(--text-link); }
html[data-theme="dark"] .accion--update { background: var(--warning-bg); color: var(--warning); }
html[data-theme="dark"] .accion--delete,
html[data-theme="dark"] .doc-icon--pdf,
html[data-theme="dark"] .doc-item__icon--pdf { background: var(--danger-bg); color: var(--danger); }
html[data-theme="dark"] .accion--other { background: var(--bg-elevated); color: var(--text-muted); }
html[data-theme="dark"] .tipo-badge--cliente { background: var(--color-violet-50); color: var(--color-violet-600); }
html[data-theme="dark"] .te-highlight { background: var(--warning-bg); color: var(--warning); }
html[data-theme="dark"] .te-highlight[data-category="Riesgo"] { background: var(--danger-bg); color: var(--danger); }
html[data-theme="dark"] .te-highlight[data-category="Obligación"] { background: var(--primary-light); color: var(--text-link); }
html[data-theme="dark"] .te-highlight[data-category="Monto"] { background: var(--success-bg); color: var(--success); }
html[data-theme="dark"] .te-highlight[data-category="Vigencia"] { background: var(--info-bg); color: var(--info); }
html[data-theme="dark"] .resp-chip { border-color: var(--primary-border); }
html[data-theme="dark"] .resp-chip__remove:hover { background: var(--danger-bg); }

html[data-theme="dark"] body:has(.login-card),
html[data-theme="dark"] body:has(.login-box) { background: var(--bg-app); }
html[data-theme="dark"] .login-card,
html[data-theme="dark"] .btn-ms { background: var(--bg-surface); color: var(--text-primary); border-color: var(--border-strong); }
html[data-theme="dark"] .btn-ms:hover:not(:disabled) { background: var(--bg-elevated); border-color: var(--text-muted); }
html[data-theme="dark"] .login-title,
html[data-theme="dark"] .login-brand-name,
html[data-theme="dark"] .field-label,
html[data-theme="dark"] .sso-label,
html[data-theme="dark"] .form-label { color: var(--text-primary); }
html[data-theme="dark"] .login-subtitle,
html[data-theme="dark"] .ms-hint,
html[data-theme="dark"] .divider,
html[data-theme="dark"] .pwd-toggle { color: var(--text-muted); }
html[data-theme="dark"] .divider::before,
html[data-theme="dark"] .divider::after { background: var(--border-default); }
html[data-theme="dark"] .field input { background: var(--bg-elevated); color: var(--text-primary); border-color: var(--border-strong); }
html[data-theme="dark"] .field input:focus { background: var(--bg-surface); border-color: var(--primary); }
html[data-theme="dark"] .pwd-toggle:hover { color: var(--text-primary); }
html[data-theme="dark"] .login-error { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }
html[data-theme="dark"] .creds-box { background: var(--success-bg); border-color: var(--success-border); }
html[data-theme="dark"] .creds-label,
html[data-theme="dark"] .creds-email,
html[data-theme="dark"] .creds-box__title { color: var(--success); }
html[data-theme="dark"] .creds-row { border-color: var(--success-border); }
html[data-theme="dark"] .creds-row:hover,
html[data-theme="dark"] .creds-badge { background: var(--color-green-100); color: var(--success); }
html[data-theme="dark"] .creds-badge--supervisor { background: var(--primary-light); color: var(--text-link); }
html[data-theme="dark"] .azure-hint { color: var(--text-muted); }
html[data-theme="dark"] .advice-box { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }
html[data-theme="dark"] .validation-box { border-color: var(--danger-border); }
html[data-theme="dark"] .gc-busy-overlay { background: var(--bg-overlay); }
html[data-theme="dark"] .gc-busy-card { background: var(--bg-surface); color: var(--text-primary); border-color: var(--border-default); }
html[data-theme="dark"] .gc-busy-sub { color: var(--text-secondary); }
html[data-theme="dark"] .bulk-bar { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-strong); }
html[data-theme="dark"] .bulk-bar__btn,
html[data-theme="dark"] .bulk-bar__close { color: var(--text-primary); }
html[data-theme="dark"] .bulk-bar__btn--danger { background: #b91c1c; color: #fff; }
html[data-theme="dark"] .cfg-forms-row__icon svg { stroke: currentColor; }
html[data-theme="dark"] .cfg-forms-row[data-form-row="contrato"] .cfg-forms-row__icon { color: var(--text-link); }
html[data-theme="dark"] .cfg-forms-row[data-form-row="cliente"] .cfg-forms-row__icon { color: var(--success); }
html[data-theme="dark"] .cfg-forms-row[data-form-row="contacto"] .cfg-forms-row__icon { color: var(--color-violet-600); }

html[data-theme="dark"]:has(.journey) {
  --ink: var(--text-primary);
  --muted: var(--text-muted);
  --line: var(--border-default);
  --paper: var(--bg-app);
  --surface: var(--bg-surface);
  --teal: var(--info);
  --teal-pale: var(--success-bg);
  --amber: var(--warning);
  --amber-pale: var(--warning-bg);
  --red: var(--danger);
  --red-pale: var(--danger-bg);
  --slate-pale: var(--bg-elevated);
}
html[data-theme="dark"] .lane,
html[data-theme="dark"] .node { background: var(--bg-surface); border-color: var(--border-default); }
html[data-theme="dark"] .decision.approval { background: var(--warning-bg); }
html[data-theme="dark"] .decision.blocked { background: var(--danger-bg); }
html[data-theme="dark"] .state.active { color: var(--success); }
html[data-theme="dark"] .state.soon { color: var(--warning); }
html[data-theme="dark"] .state.inactive { color: var(--danger); }
html[data-theme="dark"] .state.closed { color: var(--text-muted); }

@media (max-width: 575px) {
  .topbar:has(.topbar__actions) { padding-inline: 12px; gap: 8px; }
  .topbar__search { min-width: 0; }
  .topbar__search-input { min-width: 0; padding-right: 4px; }
  .topbar__actions { gap: 4px; }
  .topbar__actions .theme-toggle { width: 32px; height: 32px; flex-basis: 32px; }
}