.admin {
  display: flex;
  height: 100vh;
  max-height: 100vh;
  min-height: 0;
  overflow: hidden;
  background: var(--color-shell);
}

/* ── Rail de secciones (nav general del Admin) ── */

.app-rail {
  width: var(--rail-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-2) var(--space-1) var(--space-4);
  background: var(--color-rail);
  color: var(--color-rail-text);
  z-index: 110;
  border-right: none;
}

.app-rail__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  height: calc(var(--header-height) - var(--space-2));
  width: 100%;
  flex-shrink: 0;
}

.app-rail__logo {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.app-rail__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding-top: var(--space-3);
  overflow-y: auto;
  overflow-x: hidden;
}

.app-rail__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding: 2px 0;
  border-radius: var(--radius-md);
  color: var(--color-rail-muted);
  text-align: center;
  transition: color var(--transition-fast);
}

.app-rail__item:hover {
  color: var(--color-rail-text);
}

.app-rail__item:hover .app-rail__icon {
  background: var(--color-rail-hover);
}

.app-rail__item--active {
  color: var(--color-rail-text);
  background: transparent;
}

.app-rail__item--active .app-rail__icon {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

.app-rail__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: transparent;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.app-rail__icon [data-lucide],
.app-rail__icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: none;
}

.app-rail__icon svg path,
.app-rail__icon svg circle,
.app-rail__icon svg rect {
  fill: currentColor;
  stroke: none;
}

.app-rail__label {
  font-size: 9px;
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-rail__item--settings {
  margin-top: auto;
  padding-top: var(--space-3);
}

.app-rail__footer {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

.app-rail__avatar {
  display: flex;
  padding: 0;
  border: 2px solid #fff;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: #fff;
  transition: transform var(--transition-fast);
}

.app-rail__avatar:hover {
  border-color: var(--color-accent);
}

.app-rail__avatar img {
  width: 32px;
  height: 32px;
  object-fit: cover;
  display: block;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-shell);
  padding: 0 var(--space-2) var(--space-4) var(--space-2);
  overflow-x: hidden;
  overflow-y: auto;
  transition: width var(--transition-base);
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--header-height);
  min-height: var(--header-height);
  padding: 0 var(--space-2);
  margin-bottom: 0;
  flex-shrink: 0;
  box-sizing: border-box;
}

.sidebar__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-left: auto;
  padding: 0;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.sidebar__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition-base), width var(--transition-base);
}

.sidebar__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-1);
}

.sidebar__toggle:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.sidebar__toggle [data-lucide],
.sidebar__toggle svg {
  width: 18px;
  height: 18px;
}

.sidebar__link-text,
.sidebar__section-label {
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition-base), width var(--transition-base);
}

.sidebar__link .badge {
  transition: opacity var(--transition-base);
}

/* ── Sidebar colapsado ── */

.admin--sidebar-collapsed .sidebar {
  width: var(--sidebar-width-collapsed);
  padding: 0 var(--space-2) var(--space-4);
}

.admin--sidebar-collapsed .sidebar__brand {
  justify-content: center;
  padding: 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.admin--sidebar-collapsed .sidebar__toggle {
  margin-left: 0;
}

.admin--sidebar-collapsed .sidebar__brand-text {
  opacity: 0;
  width: 0;
  flex: 0;
  pointer-events: none;
}

.admin--sidebar-collapsed .sidebar__link-text,
.admin--sidebar-collapsed .sidebar__section-label {
  display: none;
}

.admin--sidebar-collapsed .sidebar__link .badge {
  display: none;
}

.admin--sidebar-collapsed .sidebar__link {
  justify-content: center;
  align-items: center;
  gap: 0;
  width: 100%;
  padding: var(--space-2) 0;
}

.admin--sidebar-collapsed .sidebar__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin: 0;
}

.admin--sidebar-collapsed .sidebar__nav,
.admin--sidebar-collapsed .sidebar__section {
  align-items: stretch;
  width: 100%;
}

.admin--sidebar-collapsed .sidebar__section-label {
  height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
  border: none;
}

.admin--sidebar-collapsed .sidebar__section {
  position: relative;
  margin-top: var(--space-3);
  padding-top: var(--space-2);
}

.admin--sidebar-collapsed .sidebar__section::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-1);
  right: var(--space-1);
  height: 1px;
  background: var(--color-border-subtle);
}

.admin--sidebar-collapsed .sidebar__section:first-of-type {
  margin-top: var(--space-2);
}

.sidebar__brand-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
}

.sidebar__brand-name span {
  color: var(--color-accent);
}

.sidebar__brand-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

.sidebar__section {
  margin-top: var(--space-5);
}

.sidebar__section-label {
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 14px;
  border-radius: 14px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.sidebar__link:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.sidebar__link--active {
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
  color: var(--color-accent);
}

.sidebar__link--active .sidebar__icon {
  color: var(--color-accent);
}

.sidebar__icon {
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar__link-text {
  flex: 1;
  min-width: 0;
}

.sidebar__link .badge {
  margin-left: auto;
  flex-shrink: 0;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  background: var(--color-accent);
  color: var(--color-accent-text);
}

.sidebar__link--active .badge {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

.admin__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: auto;
  padding: 0 var(--frame-padding) var(--frame-padding) 0;
  gap: 0;
  box-sizing: border-box;
  background: var(--color-shell);
  overflow: hidden;
}

.admin-workspace {
  flex: 1;
  display: flex;
  min-height: 0;
  gap: 0;
}

.admin--utility-open .admin-workspace {
  gap: var(--space-3);
}

.admin-frame {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--color-content);
  border: none;
  border-radius: var(--frame-radius);
  overflow: hidden;
}

.admin-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  padding: 0 var(--space-2) 0 var(--space-1);
  background: var(--color-shell);
}

.admin-header__menu {
  display: none;
  flex-shrink: 0;
}

.admin-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--color-overlay);
  border: none;
  padding: 0;
  cursor: default;
}

.admin--nav-open .admin-nav-backdrop {
  display: block;
}

body.admin-nav-scroll-lock {
  overflow: hidden;
}

.admin-header__search {
  flex: 1;
  min-width: 0;
  max-width: 640px;
  margin: 0;
}

.admin-header__search .input {
  height: 42px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-input);
  padding-left: 44px;
}

.admin-header__search .input:focus {
  background: var(--color-surface-elevated);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

.admin-header__search .input-group__icon {
  left: 16px;
}

.admin-header__search .input-group__shortcut {
  right: 10px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-surface-hover);
}

.admin-header__user {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  flex-shrink: 0;
}

.admin-header__actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.admin-header__actions .btn--icon[aria-pressed="true"] {
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
  color: var(--color-accent);
}

.btn--icon.has-badge {
  position: relative;
}

.btn--icon.has-badge::after {
  content: '';
  position: absolute;
  top: 9px;
  right: 9px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 2px var(--color-shell);
}

.utility-panel {
  width: 0;
  flex-shrink: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: width 0.28s ease, opacity 0.2s ease;
}

.admin--utility-open .utility-panel {
  width: var(--utility-panel-width);
  opacity: 1;
  pointer-events: auto;
}

.utility-panel__inner {
  width: var(--utility-panel-width);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--frame-radius);
  overflow: hidden;
}

.utility-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4) var(--space-3);
  flex-shrink: 0;
}

.utility-panel__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

.utility-panel__body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0 var(--space-3) var(--space-5);
}

.utility-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: 14px;
  color: inherit;
}

.utility-item:hover {
  background: var(--color-surface-hover);
}

.utility-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--color-accent) 16%, transparent);
  color: var(--color-accent);
}

.utility-item__icon [data-lucide],
.utility-item__icon svg {
  width: 16px;
  height: 16px;
}

.utility-item__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.utility-item__meta {
  margin-top: 2px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.45;
}

.utility-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: 14px;
}

.utility-step__check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  color: var(--color-accent-text);
}

.utility-step--done .utility-step__check {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.utility-step__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.utility-step--done .utility-step__title {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.utility-step__meta {
  margin-top: 2px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.utility-help {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.utility-help a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: 14px;
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.utility-help a:hover {
  background: var(--color-surface-hover);
}

.utility-help a span {
  color: var(--color-text-muted);
}

.utility-empty {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.admin-content {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
  min-height: 0;
}

.dashboard-welcome {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  gap: var(--space-4);
}

.dashboard-welcome__greeting {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.dashboard-welcome__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.dashboard-welcome__meta span {
  color: var(--color-text-secondary);
}

.dashboard-grid {
  display: grid;
  gap: var(--space-4);
}

.dashboard-grid--top {
  grid-template-columns: 1fr 2fr;
}

.dashboard-grid--stats {
  grid-template-columns: repeat(4, 1fr);
}

.dashboard-grid--bottom {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1200px) {
  .dashboard-grid--top {
    grid-template-columns: 1fr;
  }

  .dashboard-grid--stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-grid--bottom {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1023px) {
  .admin-header__menu {
    display: inline-flex;
  }

  .admin--sidebar-drawer .sidebar {
    position: fixed;
    top: 0;
    left: var(--rail-width);
    bottom: 0;
    z-index: 100;
    width: min(var(--sidebar-width), calc(88vw - var(--rail-width)));
    transform: translateX(-105%);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-md);
    padding-top: 0;
  }

  .admin--sidebar-drawer .app-rail {
    position: relative;
    z-index: 110;
  }

  .admin--sidebar-drawer.admin--nav-open .sidebar {
    transform: translateX(0);
  }

  .admin--sidebar-drawer .sidebar__toggle {
    display: none;
  }

  .admin {
    height: auto;
    max-height: none;
    min-height: 100vh;
    overflow: visible;
  }

  .admin__main {
    height: auto;
    min-height: 100vh;
    overflow: visible;
    padding: 0 var(--space-3) var(--space-3);
  }

  .admin-header__search {
    display: none;
  }

  .admin-frame {
    border-radius: var(--radius-lg);
  }

  .admin--utility-open .utility-panel {
    position: fixed;
    top: var(--space-3);
    right: var(--space-3);
    bottom: var(--space-3);
    width: min(var(--utility-panel-width), calc(100vw - 24px));
    z-index: 120;
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .dashboard-grid--stats {
    grid-template-columns: 1fr;
  }
}

.sg-page {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

.sg-page__header {
  margin-bottom: var(--space-10);
}

.sg-page__header img {
  height: 48px;
  margin-bottom: var(--space-4);
}

.sg-page__header h1 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.sg-page__header p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.sg-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.sg-nav a {
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}

.sg-nav a:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}