/*
 * BIU Media — custom.css
 * Sistema de diseño: fondo blanco, ventanas gris claro
 * v12 — Feb 2026
 */

/* =====================================================
   VARIABLES — definidas en global.css (:root)
   ===================================================== */
/* Todas las variables --biu-* y --color-* se declaran en
   global.css para evitar duplicación. */

/* =====================================================
   LAYOUT BASE
   ===================================================== */
body {
  background: var(--biu-bg) !important;
  color: var(--biu-text) !important;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container-fluid {
  padding-left: 0;
  padding-right: 0;
}

/* =====================================================
   SIDEBAR / MENÚ LATERAL
   ===================================================== */

/* Contenedor Bootstrap del sidebar */
.col-md-2#sidebar-col {
  padding: 0;
}

.aside_general {
  background: var(--biu-sidebar-bg, #1C1C1E);
  border-right: none;
  min-height: 100vh;
  height: 100%;
  width: var(--biu-sidebar-w);
  padding: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  max-height: 100vh;
  overflow: hidden;
  border-radius: 0 16px 16px 0;
  box-shadow: 2px 0 24px rgba(0,0,0,0.18);
}

/* Cabecera del sidebar: logo + botón cerrar */
.top_general {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--biu-sidebar-border, rgba(255,255,255,0.07));
  flex-shrink: 0;
}

.logo_general { flex: 1; }
.logo_general img {
  max-width: 130px;
  height: auto;
  display: block;
  /* En sidebar dark, invertir logos oscuros */
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

/* Botón ✕ cerrar */
.top_general .close {
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  color: rgba(255,255,255,0.4);
  background: transparent;
  border: none;
  transition: background .12s, color .12s;
  flex-shrink: 0;
  font-size: 13px;
}
.top_general .close:hover {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
}

/* Label de grupo semántico */
.sidebar-group-label {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--biu-sidebar-label, rgba(255,255,255,0.26));
  padding: 16px 16px 4px;
  display: block;
  user-select: none;
}

/* Scroll del listado de links */
.sidebar_general {
  padding: 8px 8px 32px;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  -webkit-overflow-scrolling: touch;
}
.sidebar_general::-webkit-scrollbar { width: 4px; }
.sidebar_general::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.10);
  border-radius: 4px;
}

/* ── Link individual ─────────────────────────────────── */
.link_general {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  margin: 1px 4px;
  border-radius: 9px;
  color: var(--biu-sidebar-link, rgba(255,255,255,0.62)) !important;
  text-decoration: none !important;
  transition: background .12s, color .12s;
  white-space: nowrap;
  overflow: hidden;
}

.link_general i {
  font-size: 14px;
  color: rgba(255,255,255,0.35);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  transition: color .12s;
}

.link_general h6 {
  font-size: 13px !important;
  font-weight: 400;
  color: inherit;
  margin: 0;
  transition: color .12s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.005em;
}

.link_general:hover {
  background: var(--biu-sidebar-hover, rgba(255,255,255,0.07));
  color: rgba(255,255,255,0.92) !important;
}
.link_general:hover i  { color: rgba(255,255,255,0.72); }
.link_general:hover h6 { color: rgba(255,255,255,0.92); }

.link_general.active {
  background: var(--biu-sidebar-active-bg, rgba(91,184,172,0.16));
  box-shadow: none;
}
.link_general.active i  {
  color: var(--biu-sidebar-active, #5BB8AC);
}
.link_general.active h6 {
  color: var(--biu-sidebar-active, #5BB8AC);
  font-weight: 500;
}

/* Separador en sidebar dark */
.aside_general .separator {
  height: 1px;
  background: var(--biu-sidebar-border, rgba(255,255,255,0.07));
  margin: 8px 12px;
}

/* =====================================================
   ÁREA DE CONTENIDO PRINCIPAL
   ===================================================== */
.padding_top {
  padding-top: 24px;
}

.padding_left_mobile {
  padding-left: 16px;
}

/* =====================================================
   TOPBAR / NAVBAR INTERNA (l-header)
   ===================================================== */
.l-header {
  background: var(--biu-bg);
  border-bottom: 1px solid var(--biu-border);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 1px 0 var(--biu-border);
}

.l-header__nav {
  display: flex;
  align-items: center;
  height: 56px;
  padding: 0 16px;
  gap: 12px;
}

/* Hamburger */
.l-header__burger {
  display: none;          /* oculto en desktop */
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: var(--biu-surface);
  border: 1px solid var(--biu-border);
  border-radius: 8px;
  cursor: pointer;
  padding: 7px 9px;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  transition: background .15s;
}
.l-header__burger:hover { background: var(--biu-border); }
.l-header__burger span {
  display: block;
  height: 2px;
  background: var(--biu-text);
  border-radius: 2px;
  transition: all .2s;
}
.l-header__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.l-header__burger.is-open span:nth-child(2) { opacity: 0; }
.l-header__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Título */
.l-header__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--biu-text);
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.l-header__title img { height: 26px; display: inline-block; vertical-align: middle; }

/* Links de nav (desktop) */
.l-header__nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2px;
}

/* Link simple */
.l-hnav {
  display: block;
  padding: 6px 11px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--biu-text-muted) !important;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, color .12s;
  text-decoration: none !important;
}
.l-hnav:hover       { background: var(--biu-surface); color: var(--biu-text) !important; }
.l-hnav--on         { color: var(--biu-secondary) !important; background: rgba(255,135,114,.07); }
.l-hnav i.fas       { font-size: 9px; opacity: .5; margin-left: 3px; transition: transform .15s; }

/* Dropdown del topbar (CSS puro) */
.l-hnav-dd { position: relative; }
.l-hnav-dd:hover > .l-hnav i.fas,
.l-hnav-dd:focus-within > .l-hnav i.fas { transform: rotate(180deg); opacity: .8; }

.l-hnav-dd__menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--biu-border);
  border-radius: var(--biu-radius);
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  min-width: 180px;
  padding: 6px;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .12s, transform .12s;
  transform: translateX(-50%) translateY(-4px);
}
.l-hnav-dd:hover .l-hnav-dd__menu,
.l-hnav-dd:focus-within .l-hnav-dd__menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.l-hnav-dd__menu a {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--biu-text) !important;
  border-radius: 6px;
  transition: background .1s;
  text-decoration: none !important;
  white-space: nowrap;
}
.l-hnav-dd__menu a:hover { background: var(--biu-surface); }
.l-hnav-dd__sep { height: 1px; background: var(--biu-border); margin: 4px 0; }

/* Derecha */
.l-header__right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: 8px;
}

.l-header__colab-badge {
  font-size: 10px;
  font-weight: 700;
  background: var(--biu-surface);
  border: 1px solid var(--biu-border);
  color: var(--biu-text-muted);
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: .03em;
  align-items: center;
}

.l-header__avatar {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--biu-border);
  transition: border-color .15s;
}
.l-header__avatar:hover { border-color: var(--biu-primary); }

.l-header__avatar-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--biu-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}
.l-header__avatar-img--empty i { font-size: 14px; color: var(--biu-text-muted); }

.l-header__logout {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--biu-text-muted) !important;
  background: transparent;
  transition: background .12s, color .12s;
}
.l-header__logout:hover { background: var(--biu-surface); color: var(--biu-text) !important; }

/* =====================================================
   BLOC BOXES / TARJETAS
   ===================================================== */
.bloc_box,
.card-box {
  background: var(--biu-surface);
  border: 1px solid var(--biu-border);
  border-radius: var(--biu-radius);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--biu-shadow);
}

.bloc_box_white,
.card-white {
  background: var(--biu-bg);
  border: 1px solid var(--biu-border);
  border-radius: var(--biu-radius);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--biu-shadow);
}

.bloc_box_alt {
  background: var(--biu-surface-alt);
  border: 1px solid var(--biu-border);
  border-radius: var(--biu-radius);
  padding: 16px 20px;
  margin-bottom: 12px;
}

/* =====================================================
   STAT CARDS (para dashboards)
   ===================================================== */
.stat-card {
  background: var(--biu-bg);
  border: 1px solid var(--biu-border);
  border-radius: var(--biu-radius);
  padding: 20px;
  box-shadow: var(--biu-shadow);
  transition: box-shadow .2s;
}

.stat-card:hover {
  box-shadow: var(--biu-shadow-md);
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--biu-text);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--biu-text-muted);
  font-weight: 500;
  margin-top: 4px;
}

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.stat-icon-primary { background: rgba(102,187,176,.12); color: var(--biu-primary); }
.stat-icon-secondary { background: rgba(255,135,114,.12); color: var(--biu-secondary); }
.stat-icon-blue { background: rgba(59,130,246,.12); color: #3b82f6; }
.stat-icon-purple { background: rgba(139,92,246,.12); color: #8b5cf6; }

/* =====================================================
   TABLAS
   ===================================================== */
.table {
  background: var(--biu-bg) !important;
  border-radius: var(--biu-radius);
  overflow: hidden;
  border: 1px solid var(--biu-border) !important;
  font-size: 13px;
  margin-bottom: 0;
}

.table thead th {
  background: var(--biu-surface);
  color: var(--biu-text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--biu-border) !important;
  border-top: none !important;
  padding: 10px 14px;
}

.table tbody tr {
  border-bottom: 1px solid var(--biu-border) !important;
  transition: background .12s;
}

.table tbody tr:last-child {
  border-bottom: none !important;
}

.table tbody tr:hover {
  background: var(--biu-surface) !important;
}

.table td {
  padding: 10px 14px !important;
  vertical-align: middle !important;
  border-top: none !important;
  color: var(--biu-text);
  font-size: 13px !important;
  font-weight: 400;
}

/* Wrapper para tablas responsive */
.table-wrapper {
  background: var(--biu-bg);
  border: 1px solid var(--biu-border);
  border-radius: var(--biu-radius);
  overflow: hidden;
  box-shadow: var(--biu-shadow);
}

.table-wrapper .table {
  border: none !important;
  border-radius: 0;
  margin-bottom: 0;
}

/* =====================================================
   FORMULARIOS
   ===================================================== */
.form-control,
.form-select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="tel"],
textarea,
select {
  background: var(--biu-bg) !important;
  border: 1px solid var(--biu-border) !important;
  border-radius: var(--biu-radius-sm) !important;
  color: var(--biu-text) !important;
  font-size: 13px !important;
  padding: 8px 12px !important;
  height: auto !important;
  box-shadow: none !important;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
  margin-bottom: 4px !important;
  margin-top: 4px !important;
}

.form-control:focus,
.form-select:focus,
input:focus,
textarea:focus,
select:focus {
  border-color: var(--biu-primary) !important;
  box-shadow: 0 0 0 3px rgba(102,187,176,.15) !important;
  outline: none;
}

label {
  font-size: 12px !important;
  font-weight: 600 !important;
  color: var(--biu-text-muted) !important;
  margin-bottom: 4px !important;
  margin-top: 10px !important;
  display: block;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.form-group {
  margin-bottom: 14px;
}

/* Form inline */
.form-inline .form-control,
.form-inline .form-select,
.form-inline input,
.form-inline select {
  width: auto;
  display: inline-block;
  margin-right: 8px !important;
  margin-bottom: 8px !important;
}

/* =====================================================
   BOTONES
   ===================================================== */
.btn {
  font-size: 13px !important;
  font-weight: 600 !important;
  padding: 8px 16px !important;
  border-radius: var(--biu-radius-sm) !important;
  border: none !important;
  transition: background .15s, box-shadow .15s, transform .1s;
  line-height: 1.4;
  letter-spacing: .01em;
  cursor: pointer;
}

.btn:active {
  transform: scale(.98);
}

.btn-primary,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background: var(--biu-primary) !important;
  color: #fff !important;
  box-shadow: 0 2px 6px rgba(102,187,176,.35);
}

.btn-primary:hover {
  background: var(--biu-primary-dark) !important;
}

.btn-secondary,
.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background: var(--biu-secondary) !important;
  color: #fff !important;
  box-shadow: 0 2px 6px rgba(255,135,114,.3);
}

.btn-secondary:hover {
  background: var(--biu-secondary-dark) !important;
}

.btn-light {
  background: var(--biu-surface) !important;
  color: var(--biu-text) !important;
  border: 1px solid var(--biu-border) !important;
}

.btn-light:hover {
  background: var(--biu-surface-alt) !important;
}

.btn-danger {
  background: #ef4444 !important;
  color: #fff !important;
}

.btn-success {
  background: #22c55e !important;
  color: #fff !important;
}

.btn-outline-primary {
  background: transparent !important;
  color: var(--biu-primary) !important;
  border: 1px solid var(--biu-primary) !important;
}

.btn-outline-primary:hover {
  background: var(--biu-primary) !important;
  color: #fff !important;
}

.btn-sm {
  padding: 5px 10px !important;
  font-size: 11.5px !important;
}

.btn-xs {
  padding: 3px 8px !important;
  font-size: 11px !important;
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--biu-radius-sm) !important;
}

/* Clase .dd-open para dropdowns en dispositivos táctiles (JS) */
.l-hnav-dd__menu.dd-open {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateX(-50%) translateY(0) !important;
}

/* =====================================================
   BADGES / ETIQUETAS DE ESTADO
   ===================================================== */
.badge-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .02em;
}

.badge-active   { background: rgba(34,197,94,.12);  color: #15803d; }
.badge-pending  { background: rgba(234,179, 8,.12);  color: #92400e; }
.badge-paused   { background: rgba(107,114,128,.12); color: #374151; }
.badge-inactive { background: rgba(239, 68,68,.12);  color: #b91c1c; }
.badge-draft    { background: rgba(59,130,246,.12);  color: #1d4ed8; }

/* Bootstrap badge overrides */
.badge {
  font-size: 11px !important;
  font-weight: 600 !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
}

/* =====================================================
   ALERTAS
   ===================================================== */
.alert {
  border: none !important;
  border-radius: var(--biu-radius-sm) !important;
  font-size: 13px;
  padding: 12px 16px !important;
  margin-bottom: 16px;
  border-left: 3px solid transparent !important;
}

.alert-success {
  background: rgba(34,197,94,.1) !important;
  color: #15803d !important;
  border-left-color: #22c55e !important;
}

.alert-danger {
  background: rgba(239,68,68,.1) !important;
  color: #b91c1c !important;
  border-left-color: #ef4444 !important;
}

.alert-warning {
  background: rgba(234,179,8,.1) !important;
  color: #92400e !important;
  border-left-color: #eab308 !important;
}

.alert-info {
  background: rgba(59,130,246,.1) !important;
  color: #1d4ed8 !important;
  border-left-color: #3b82f6 !important;
}

/* =====================================================
   PAGINACIÓN / SECCIÓN HEADER
   ===================================================== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--biu-border);
}

.page-header h2,
.page-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--biu-text);
  margin: 0;
}

.page-header .subtitle {
  font-size: 13px;
  color: var(--biu-text-muted);
  margin-top: 2px;
}

/* =====================================================
   AVATARES / FOTOS DE PERFIL
   ===================================================== */
.img_profile {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--biu-surface);
  border: 2px solid var(--biu-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-md {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

/* =====================================================
   MOBILE / TABLET RESPONSIVE
   ===================================================== */

/* ── Overlay del sidebar ─────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2,13,18,.45);
  z-index: 998;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  transition: opacity .25s;
}
.sidebar-overlay.is-visible { display: block; }

/* ── Tablet (768px – 991px): sidebar iconos únicos ───── */
@media (min-width: 768px) and (max-width: 991px) {
  /* En tablet el sidebar se muestra como columna de iconos */
  .aside_general {
    width: 60px;
    min-width: 60px;
  }
  .link_general {
    flex-direction: column;
    gap: 3px;
    padding: 10px 4px;
    align-items: center;
    justify-content: center;
  }
  .link_general h6 { display: none; }  /* solo icono */
  .link_general i   { font-size: 18px; width: auto; margin: 0; }
  .logo_general img { max-width: 36px; }
  .top_general .close { display: none; }
  /* El col-md-2 ocupa menos */
  .col-md-2#sidebar-col { flex: 0 0 60px; max-width: 60px; }
}

/* ── Móvil (< 768px): sidebar como drawer ───────────── */
@media (max-width: 767px) {

  /* El col-md-2 no ocupa ancho en móvil */
  .col-md-2#sidebar-col {
    position: static !important;
    padding: 0 !important;
    width: 0 !important;
    max-width: 0 !important;
    flex: 0 !important;
    overflow: visible !important;
  }

  /* Sidebar como drawer lateral */
  .aside_general {
    position: fixed;
    top: 0;
    left: 0;
    width: 270px;
    height: 100vh;
    max-height: 100vh;
    z-index: 999;
    transform: translateX(-100%);
    transition: transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow: 4px 0 20px rgba(0,0,0,.15);
    /* Reset sticky */
    position: fixed !important;
    min-height: unset;
  }

  .aside_general.open {
    transform: translateX(0);
  }

  /* Botón cerrar visible solo en móvil */
  .top_general .close { display: flex; }

  /* Hamburger visible */
  .l-header__burger { display: flex; }

  /* Nav links de topbar ocultos en móvil */
  .l-header__nav-links { display: none; }

  /* Ajustes de topbar */
  .l-header__nav { padding: 0 12px; gap: 8px; }
  .l-header__right { gap: 6px; }
  .l-header__logout { display: none !important; }

  /* padding_top */
  .padding_top { padding-top: 16px; }

  /* Stat cards en 2 columnas */
  .stat-card .stat-value { font-size: 20px; }

  /* Tablas */
  .table td, .table th {
    font-size: 12px !important;
    padding: 8px 10px !important;
  }

  /* listing-item-grid: 1 columna */
  .col-sm-3 { flex: 0 0 50%; max-width: 50%; }
}

@media (max-width: 480px) {
  .col-sm-3 { flex: 0 0 100%; max-width: 100%; }
  .pub-hero__text h1 { font-size: 1.6rem; }
}

/* =====================================================
   UTILIDADES ADICIONALES
   ===================================================== */
.text-muted-sm {
  font-size: 11.5px;
  color: var(--biu-text-muted);
}

.separator {
  height: 1px;
  background: var(--biu-border);
  margin: 16px 0;
}

.colorMarine {
  color: var(--biu-text) !important;
}

.surface-card {
  background: var(--biu-surface);
  border-radius: var(--biu-radius);
  padding: 16px 20px;
}

/* Icono de colaborador / rol */
.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.role-owner     { background: rgba(139,92,246,.1);  color: #6d28d9; }
.role-sales     { background: rgba(255,135,114,.1); color: #c2410c; }
.role-finance   { background: rgba(34,197,94,.1);   color: #15803d; }
.role-operator  { background: rgba(59,130,246,.1);  color: #1d4ed8; }
.role-auditor   { background: rgba(107,114,128,.1); color: #374151; }
.role-evidence  { background: rgba(102,187,176,.1); color: #0f766e; }
.role-maintenance { background: rgba(234,179,8,.1); color: #92400e; }

/* Loading overlay */
#loading {
  display: none;
  width: 100%;
  height: 100%;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(255,255,255,.85) url(img/load.gif) center center no-repeat;
  position: fixed;
  z-index: 4000;
}

.hidden { display: none !important; }

/* fix Bootstrap conflict: remove bg-secondary override */
.bg-surface {
  background: var(--biu-surface) !important;
}

/* =====================================================
   L-HEADER: BRAND + BOTONES DE VISITANTE
   ===================================================== */
.l-header__brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* Botón "Entrar" inline dentro del nav (visitantes desktop) */
.l-hnav-login {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--biu-text);
  border: 1px solid var(--biu-border);
  text-decoration: none;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.l-hnav-login:hover {
  background: var(--biu-primary);
  color: #fff;
  border-color: var(--biu-primary);
}

/* Botón "Iniciar sesión" derecha (visitantes) */
.l-header__btn-login {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--biu-primary);
  color: #fff !important;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s;
  white-space: nowrap;
}
.l-header__btn-login:hover { background: var(--biu-primary-dark); }

/* =====================================================
   MENÚ MÓVIL PARA VISITANTES (no logueados)
   Panel drawer desde la derecha
   ===================================================== */
.biu-mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 90vw;
  height: 100vh;
  background: var(--biu-bg);
  border-left: 1px solid var(--biu-border);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.4,0,.2,1);
  box-shadow: -4px 0 24px rgba(0,0,0,.12);
}
.biu-mobile-nav.open { transform: translateX(0); }

.biu-mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--biu-border);
}
.biu-mobile-nav__close {
  background: var(--biu-surface);
  border: 1px solid var(--biu-border);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--biu-text);
  font-size: 14px;
  transition: background .15s;
}
.biu-mobile-nav__close:hover { background: var(--biu-border); }

.biu-mobile-nav__body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.biu-mobile-nav__section { padding: 8px 0; }

.biu-mobile-nav__label {
  padding: 6px 20px 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--biu-text-muted);
}

.biu-mobile-nav__item {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--biu-text);
  text-decoration: none;
  transition: background .12s, color .12s;
}
.biu-mobile-nav__item:hover {
  background: var(--biu-surface);
  color: var(--biu-primary);
}

.biu-mobile-nav__cta {
  padding: 16px 20px 20px;
  border-top: 1px solid var(--biu-border);
}

/* Overlay para el menú móvil de visitantes */
.biu-mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(2,13,18,.45);
  backdrop-filter: blur(2px);
  z-index: 1099;
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s;
}
.biu-mobile-nav__overlay.is-visible {
  opacity: 1;
  pointer-events: all;
}

/* En desktop: ocultar mobile-nav trigger */
@media (min-width: 993px) {
  .biu-mobile-nav { display: none !important; }
  .biu-mobile-nav__overlay { display: none !important; }
}