/* ═══════════════════════════════════════════════════════
   SIDEBAR — DARK MODE
   Usa tokens del Design System (tokens.css)
   ═══════════════════════════════════════════════════════ */

/* ══════ SIDEBAR PRINCIPAL ══════ */
.sidebar {
  position: fixed;
  top: 60px;
  left: 0;
  bottom: 0;
  width: 300px;
  z-index: 996;
  transition: transform var(--ev-duration-slow) var(--ev-ease-default);
  padding: var(--ev-space-5);
  overflow-y: auto;
  background: var(--ev-bg-surface);
  border-right: 1px solid var(--ev-border-subtle);
}

/* Sidebar colapsado */
.sidebar.collapsed {
  transform: translateX(-100%);
}

/* ══════ SCROLLBAR PERSONALIZADA ══════ */
.sidebar::-webkit-scrollbar {
  width: 5px;
  height: 8px;
  background-color: var(--ev-bg-raised);
}

.sidebar::-webkit-scrollbar-thumb {
  background-color: var(--ev-border-strong);
  border-radius: var(--ev-radius-md);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background-color: var(--ev-text-muted);
}

/* ══════ ESTRUCTURA DE NAVEGACIÓN ══════ */
.sidebar-nav {
  padding: 0;
  margin: 0;
  list-style: none;
}

.sidebar-nav li {
  padding: 0;
  margin: 0;
  list-style: none;
}

.sidebar-nav .nav-item {
  margin-bottom: var(--ev-space-1);
}

/* ══════ ENCABEZADOS DE SECCIÓN ══════ */
.sidebar-nav .nav-heading {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ev-text-muted);
  font-weight: 600;
  margin: var(--ev-space-3) 0 var(--ev-space-2) var(--ev-space-4);
  letter-spacing: 1px;
}

/* ══════ ENLACES DE NAVEGACIÓN ══════ */
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ev-text-secondary);
  transition: all var(--ev-duration-fast) var(--ev-ease-default);
  background: transparent;
  padding: var(--ev-space-3) var(--ev-space-4);
  border-radius: var(--ev-radius-md);
  position: relative;
}

.sidebar-nav .nav-link i {
  font-size: 16px;
  margin-right: var(--ev-space-3);
  color: inherit;
  transition: all var(--ev-duration-fast) var(--ev-ease-default);
}

/* Emoji icons */
.sidebar-nav .nav-link .nav-icon {
  font-size: 16px;
  margin-right: var(--ev-space-3);
  display: inline-block;
  width: 16px;
  text-align: center;
}

/* Channel indicator dots */
.channel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.channel-dot.ml {
  background: #ffe600;
  box-shadow: 0 0 8px rgba(255, 230, 0, 0.4);
}

.channel-dot.tn {
  background: #00b4d8;
  box-shadow: 0 0 8px rgba(0, 180, 216, 0.4);
}

/* Hidden element for servicios (shown only for evoqia user) */
.sidebar-servicios-hidden {
  display: none;
}

.sidebar-nav .nav-link.collapsed {
  color: var(--ev-text-secondary);
  background: transparent;
}

.sidebar-nav .nav-link.collapsed i {
  color: var(--ev-text-muted);
}

/* Hover */
.sidebar-nav .nav-link:hover {
  color: var(--ev-text-primary);
  background: var(--ev-bg-hover);
}

.sidebar-nav .nav-link:hover i {
  color: var(--ev-text-primary);
}

/* ══════ FLECHAS DESPLEGABLES ══════ */
.sidebar-nav .nav-link .bi-chevron-down {
  margin-right: 0;
  transition: transform var(--ev-duration-normal) var(--ev-ease-default);
  margin-left: auto;
  color: var(--ev-text-muted);
  font-size: 12px;
}

.sidebar-nav .nav-link:not(.collapsed) .bi-chevron-down {
  transform: rotate(180deg);
  color: var(--ev-brand-light);
}

/* ══════ SUBMENÚS ══════ */
.sidebar-nav .nav-content {
  padding: var(--ev-space-2) 0 0 0;
  margin: 0;
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--ev-duration-slow) var(--ev-ease-default);
}

.sidebar-nav .nav-content.show {
  max-height: 500px;
}

.sidebar-nav .nav-content a {
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--ev-text-secondary);
  padding: var(--ev-space-2) 0 var(--ev-space-2) 40px;
  transition: all var(--ev-duration-fast) var(--ev-ease-default);
}

.sidebar-nav .nav-content a i {
  font-size: 6px;
  margin-right: var(--ev-space-2);
  line-height: 0;
  border-radius: 50%;
  background-color: transparent;
  transition: all var(--ev-duration-fast) var(--ev-ease-default);
}

.sidebar-nav .nav-content a:hover,
.sidebar-nav .nav-content a.active {
  color: var(--ev-brand-light);
}

.sidebar-nav .nav-content a.active i {
  background-color: var(--ev-brand-primary);
}

/* ══════ SIDEBAR TOGGLE BUTTON ══════ */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 997;
  background: var(--ev-brand-primary);
  color: var(--ev-text-primary);
  border: none;
  border-radius: var(--ev-radius-sm);
  width: 40px;
  height: 40px;
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--ev-duration-fast) var(--ev-ease-default);
  box-shadow: var(--ev-shadow-md);
}

.sidebar-toggle:hover {
  background: var(--ev-brand-dark);
  box-shadow: var(--ev-shadow-glow-brand);
}

/* ══════ OVERLAY ══════ */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 995;
  opacity: 0;
  visibility: hidden;
  transition: all var(--ev-duration-slow) var(--ev-ease-default);
  backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ══════ COMPORTAMIENTO RESPONSIVE ══════ */

/* Desktop */
@media (min-width: 992px) {
  #main,
  #footer {
    margin-left: 300px;
    transition: margin-left var(--ev-duration-slow);
  }

  .sidebar-collapsed #main,
  .sidebar-collapsed #footer {
    margin-left: 0;
  }

  .sidebar-collapsed .sidebar {
    transform: translateX(-100%);
  }
}

/* Móvil */
@media (max-width: 991.98px) {
  .sidebar-toggle {
    display: flex;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* Pantallas muy pequeñas */
@media (max-width: 575px) {
  .sidebar {
    width: 260px;
    padding: var(--ev-space-4);
  }

  .sidebar-nav .nav-link {
    padding: var(--ev-space-2) var(--ev-space-3);
    font-size: 13px;
  }

  .sidebar-nav .nav-content a {
    padding-left: 35px;
  }
}

/* ══════ ITEM ACTIVO ══════ */
.sidebar .nav-link.active {
  background-color: var(--ev-brand-subtle);
  color: var(--ev-brand-light) !important;
  font-weight: 600;
  border-left: 3px solid var(--ev-brand-primary);
}

.sidebar .nav-link.active i {
  color: var(--ev-brand-light);
}

/* ══════ ÍTEM PADRE CON SUBMENÚ ABIERTO ══════ */
.sidebar .nav-item .nav-link[aria-expanded="true"] {
  color: var(--ev-brand-light);
  font-weight: 600;
  background: var(--ev-bg-hover);
}

/* ══════ DROPDOWN ABIERTO ══════ */
.sidebar .nav-content.show {
  background-color: var(--ev-bg-raised);
  border-radius: var(--ev-radius-md);
  margin-top: var(--ev-space-1);
  padding: var(--ev-space-2);
}

/* ══════ SECTION HEADERS (DIVISORES PREMIUM) ══════ */
/* Header principal "Casa Matriz" */
.section-header {
  position: relative;
  margin: var(--ev-space-6) 0 var(--ev-space-3);
  padding: 0 var(--ev-space-4);
  text-align: center;
}

.section-header__title {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--ev-brand-light);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: var(--ev-space-2) var(--ev-space-4);
  background-color: var(--ev-brand-subtle);
  border-radius: var(--ev-radius-full);
  border: 1px solid var(--ev-border-subtle);
}

/* Section headers dentro del nav (nuevo estilo) */
.sidebar-nav .section-header {
  padding: var(--ev-space-5) var(--ev-space-5) var(--ev-space-2);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--ev-text-muted);
  display: flex;
  align-items: center;
  gap: var(--ev-space-2);
  margin: var(--ev-space-4) 0 var(--ev-space-2);
  text-align: left;
}

.sidebar-nav .section-header .line {
  flex: 1;
  height: 1px;
  background: var(--ev-border-subtle);
}

/* Divisor horizontal */
.sidebar-nav .nav-divider {
  height: 1px;
  background: var(--ev-border-subtle);
  margin: var(--ev-space-3) var(--ev-space-5);
}

/* Section header con acento (legacy) */
.section-header--accent {
  margin-top: var(--ev-space-8);
}

.section-header--accent::before {
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--ev-border-default),
    transparent
  );
  margin-bottom: var(--ev-space-3);
}

.section-header--accent .section-header__title {
  background-color: var(--ev-brand-subtle);
  color: var(--ev-brand-light);
  position: relative;
  padding-left: var(--ev-space-6);
}

.section-header--accent .section-header__title::before {
  content: "";
  position: absolute;
  left: var(--ev-space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--ev-brand-primary);
  border-radius: 50%;
  box-shadow: var(--ev-shadow-glow-brand);
}