/* Shell general: barra superior, menú lateral y pantalla de inicio */
:root {
  --app-primary: #2563eb;
  --app-primary-dark: #1d4ed8;
  --app-masthead-bg: #1e3a5f;
  --app-masthead-bg-end: #1e40af;
  --app-surface: #f4f6f9;
  --app-card-bg: #ffffff;
  --app-border: #e5e7eb;
  --app-text: #1f2937;
  --app-text-muted: #6b7280;
  --app-sidebar-width: 260px;
}

body.app-shell {
  background: var(--app-surface);
  color: var(--app-text);
}

/* —— Barra superior —— */
nav.app-masthead {
  background: linear-gradient(90deg, var(--app-masthead-bg), var(--app-masthead-bg-end)) !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

nav.app-masthead .navbar-brand {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff !important;
}

nav.app-masthead .btn-menu-toggle {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 0.875rem;
  padding: 0.35rem 0.65rem;
}

nav.app-masthead .btn-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.app-masthead-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f8fafc;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-masthead-chip strong {
  font-weight: 600;
  color: #fff;
}

.app-masthead-user {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.92);
}

nav.app-masthead .btn-outline-light {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

nav.app-masthead .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

nav.app-masthead .nav-link.text-white-50 {
  color: rgba(255, 255, 255, 0.75) !important;
}

nav.app-masthead .nav-link.text-white-50:hover {
  color: #fff !important;
}

/* —— Layout con sidebar (escritorio) —— */
.app-layout {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - 56px);
}

.app-sidebar {
  flex: 0 0 var(--app-sidebar-width);
  width: var(--app-sidebar-width);
  background: var(--app-card-bg);
  border-right: 1px solid var(--app-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 56px;
  align-self: flex-start;
  max-height: calc(100vh - 56px);
  z-index: 100;
}

.app-sidebar-search {
  padding: 0.75rem;
  border-bottom: 1px solid var(--app-border);
  background: #f8fafc;
}

.app-sidebar-nav {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 0.5rem 0.75rem 1rem;
}

.app-main-content {
  flex: 1 1 auto;
  min-width: 0;
  padding-bottom: 2rem;
}

body.app-shell main.container,
body.app-shell main.app-main-content.container {
  max-width: 1200px;
}

/* —— Offcanvas móvil —— */
.app-nav-offcanvas {
  width: min(320px, 92vw);
}

.app-nav-offcanvas .offcanvas-header {
  background: linear-gradient(90deg, var(--app-masthead-bg), var(--app-masthead-bg-end));
  color: #fff;
}

.app-nav-offcanvas .offcanvas-title {
  color: #fff;
  font-weight: 600;
}

.app-nav-offcanvas .btn-close {
  filter: invert(1);
}

/* —— Acordeón del menú —— */
.app-menu-accordion .accordion-item {
  border: none;
  background: transparent;
}

.app-menu-accordion .accordion-button {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--app-text);
  background: transparent;
  box-shadow: none !important;
  padding: 0.5rem 0.35rem;
}

.app-menu-accordion .accordion-button:not(.collapsed) {
  color: var(--app-primary-dark);
  background: #eff6ff;
}

.app-menu-accordion .accordion-button::after {
  width: 0.85rem;
  height: 0.85rem;
}

.app-menu-section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.app-menu-section-icon {
  display: inline-flex;
  width: 1.1rem;
  height: 1.1rem;
  color: var(--app-primary);
  flex-shrink: 0;
}

.app-menu-accordion .accordion-body {
  padding: 0.15rem 0 0.5rem 0.35rem;
}

.app-menu-accordion .accordion-body ul {
  margin: 0;
}

.app-menu-item {
  border-radius: 6px;
  margin: 1px 0;
}

.app-menu-item a,
.app-menu-item .app-menu-link {
  display: block;
  padding: 0.35rem 0.5rem 0.35rem 0.65rem;
  border-radius: 6px;
  color: var(--app-text);
  text-decoration: none;
  font-size: 0.8125rem;
  border-left: 3px solid transparent;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.app-menu-item a:hover,
.app-menu-item .app-menu-link:hover {
  background: #eff6ff;
  color: var(--app-primary-dark);
  border-left-color: var(--app-primary);
}

.app-menu-item a.app-menu-link--active {
  background: #dbeafe;
  color: var(--app-primary-dark);
  font-weight: 600;
  border-left-color: var(--app-primary);
}

.app-menu-item--hidden {
  display: none !important;
}

.app-dash-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1rem 1.1rem;
  background: var(--app-card-bg);
  border: 1px solid var(--app-border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.app-dash-card:hover {
  border-color: #93c5fd;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.12);
  transform: translateY(-1px);
  color: inherit;
}

.app-dash-card-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.65rem;
  background: #eff6ff;
  color: var(--app-primary);
}

.app-dash-card-icon--green {
  background: #ecfdf5;
  color: #059669;
}

.app-dash-card-icon--amber {
  background: #fffbeb;
  color: #d97706;
}

.app-dash-card-icon--slate {
  background: #f1f5f9;
  color: #475569;
}

.app-dash-card-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
}

.app-dash-card-desc {
  font-size: 0.8rem;
  color: var(--app-text-muted);
  margin: 0;
  line-height: 1.35;
}

.app-home-hint {
  font-size: 0.8125rem;
  color: var(--app-text-muted);
}

@media (max-width: 991.98px) {
  .app-layout {
    display: block;
    min-height: 0;
  }

  .app-sidebar {
    display: none !important;
  }
}