/* ============================================================
   Sistema de Control de Salones AC — COREDUCACIÓN
   Sistema de diseño. Colores institucionales intactos:
   --pr (magenta) y --sec (naranja).
   ============================================================ */

:root {
  --pr: #9E1F63;
  --pr-dark: #7a1850;
  --pr-light: #c23e85;
  --sec: #F15A29;
  --sec-dark: #d8431a;
  --sec-light: #ff7f4f;

  --ink: #2b2038;
  --ink-soft: #6b6478;
  --bg: #f6f5f9;
  --surface: #ffffff;
  --border: #e8e5f0;

  --ok: #1a9e6d;
  --ok-bg: #e6f7f0;
  --warn: #c98a00;
  --warn-bg: #fff6e0;
  --danger: #d63859;
  --danger-bg: #fdeaee;
  --info: #2b7fc9;
  --info-bg: #e8f3fc;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(43, 32, 56, 0.06), 0 1px 2px rgba(43, 32, 56, 0.08);
  --shadow-md: 0 8px 24px rgba(43, 32, 56, 0.10);
  --shadow-lg: 0 16px 40px rgba(43, 32, 56, 0.16);
  --gradient-brand: linear-gradient(135deg, var(--pr) 0%, #b8215f 45%, var(--sec) 100%);
}

/* ============================================================
   MODO OSCURO — se activa poniendo data-bs-theme="dark" en <html>
   (lo hace el botón de la topbar / docente-topbar, vía JS, y persiste
   en localStorage). Bootstrap 5.3 ya trae sus propias variables de
   componentes (cards, dropdowns, modales, formularios, tablas...) que
   cambian solas con este mismo atributo; aquí solo se ajustan las
   variables PROPIAS del sistema (--ink, --bg, --surface, --border,
   los estados de color) para que todo lo que ya usa esas variables en
   esta hoja de estilos seale consistente también en oscuro.
   Los colores de marca (--pr, --sec) NO cambian: la marca es la misma
   en los dos modos. ============================================================ */
[data-bs-theme="dark"] {
  --ink: #e9e6f0;
  --ink-soft: #a79fb8;
  --bg: #15121d;
  --surface: #211c2d;
  --border: #37304a;

  --ok: #2fbd88;
  --ok-bg: #13332a;
  --warn: #e3ac2e;
  --warn-bg: #3a2e10;
  --danger: #e8617f;
  --danger-bg: #3a1621;
  --info: #58a6e8;
  --info-bg: #132c3d;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.45), 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
}
[data-bs-theme="dark"] body { background-color: var(--bg); }
[data-bs-theme="dark"] .table thead th { background-color: #291f38; }
[data-bs-theme="dark"] .table-hover tbody tr:hover { background-color: #2a2238; }
[data-bs-theme="dark"] .alert-success { color: #bdf0d9; border-color: #1f4f3d; }
[data-bs-theme="dark"] .alert-danger  { color: #f7c3d1; border-color: #5c2535; }
[data-bs-theme="dark"] .alert-warning { color: #f5dca0; border-color: #5c4a14; }
[data-bs-theme="dark"] .alert-info    { color: #bfe0f7; border-color: #1d4256; }
[data-bs-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--pr-light); }
[data-bs-theme="dark"] .salon-card { background: linear-gradient(90deg, color-mix(in srgb, var(--salon-color, #ccc) 14%, var(--surface)) 0%, var(--surface) 60%); }

/* Botón de alternar tema — se usa en la topbar del admin y en la del docente */
.theme-toggle-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px; border: none;
  background: transparent; color: var(--ink); font-size: 1.05rem;
  transition: background-color .15s ease;
  flex-shrink: 0;
}
.theme-toggle-btn:hover { background-color: var(--bg); }
.theme-toggle-btn .fa-sun { display: none; }
[data-bs-theme="dark"] .theme-toggle-btn .fa-sun { display: inline-block; }
[data-bs-theme="dark"] .theme-toggle-btn .fa-moon { display: none; }

/* Misma variante, pero para usarla sobre el fondo de color (degradado de
   marca) de la topbar del portal docente — en vez de var(--ink) usa
   blanco semitransparente, igual que los demás íconos de esa barra. */
.theme-toggle-btn-inverso {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%; border: none;
  background: rgba(255,255,255,.18); color: #fff; font-size: .92rem;
  transition: background-color .15s ease;
  flex-shrink: 0;
}
.theme-toggle-btn-inverso:hover { background: rgba(255,255,255,.3); }
.theme-toggle-btn-inverso .fa-sun { display: none; }
[data-bs-theme="dark"] .theme-toggle-btn-inverso .fa-sun { display: inline-block; }
[data-bs-theme="dark"] .theme-toggle-btn-inverso .fa-moon { display: none; }

/* ---- Base ---- */
* { scrollbar-width: thin; scrollbar-color: var(--pr-light) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--pr-light); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  animation: fadeInPage .35s ease both;
}

@keyframes fadeInPage {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }

a { color: var(--pr); }
a:hover { color: var(--pr-dark); }

/* ---- Botones ---- */
.btn {
  border-radius: 10px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background-color: var(--pr);
  border-color: var(--pr);
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--pr-dark);
  border-color: var(--pr-dark);
  box-shadow: 0 6px 16px rgba(158, 31, 99, 0.28);
}

.btn-outline-primary {
  color: var(--pr);
  border-color: var(--pr);
}
.btn-outline-primary:hover {
  background-color: var(--pr);
  border-color: var(--pr);
  box-shadow: 0 6px 16px rgba(158, 31, 99, 0.22);
}

.btn-secondary, .btn-warning {
  background-color: var(--sec);
  border-color: var(--sec);
  color: #fff;
}
.btn-secondary:hover, .btn-warning:hover {
  background-color: var(--sec-dark);
  border-color: var(--sec-dark);
  color: #fff;
  box-shadow: 0 6px 16px rgba(244, 130, 31, 0.28);
}

.btn-outline-warning {
  color: var(--sec-dark);
  border-color: var(--sec);
}
.btn-outline-warning:hover {
  background-color: var(--sec);
  border-color: var(--sec);
  color: #fff;
}

.btn-outline-secondary { color: var(--ink-soft); border-color: var(--border); }
.btn-outline-secondary:hover { background-color: var(--ink-soft); border-color: var(--ink-soft); }

.btn-success { background-color: var(--ok); border-color: var(--ok); }
.btn-outline-success { color: var(--ok); border-color: var(--ok); }
.btn-outline-success:hover { background-color: var(--ok); border-color: var(--ok); }

.btn-danger { background-color: var(--danger); border-color: var(--danger); }
.btn-outline-danger { color: var(--danger); border-color: var(--danger); }
.btn-outline-danger:hover { background-color: var(--danger); border-color: var(--danger); }

/* Botones grandes y táctiles para uso desde celular */
.btn-lg {
  min-height: 52px;
  font-size: 1.05rem;
  border-radius: 12px;
}

.form-control-lg, .form-select-lg {
  min-height: 52px;
  border-radius: 12px;
}

/* ---- Formularios ---- */
.form-control, .form-select {
  border-radius: 10px;
  border-color: var(--border);
  background-color: #fdfcff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--pr-light);
  box-shadow: 0 0 0 0.2rem rgba(158, 31, 99, 0.15);
}
.form-label { font-weight: 500; color: var(--ink); font-size: .92rem; }
.form-check-input:checked {
  background-color: var(--pr);
  border-color: var(--pr);
}
.form-switch .form-check-input:checked { background-color: var(--ok); border-color: var(--ok); }
.btn-check:checked + .btn-outline-success { background-color: var(--ok); border-color: var(--ok); }
.btn-check:checked + .btn-outline-danger { background-color: var(--danger); border-color: var(--danger); }

/* ---- Tarjetas ---- */
.card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}
.card[role="button"]:hover, a.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  border-radius: var(--radius) var(--radius) 0 0 !important;
}
.card-body { padding: 1.25rem; }

/* Bordes de estado más sutiles, con acento lateral en vez de borde completo */
.card.border-success, .card.border-danger, .card.border-warning, .card.border-primary {
  border-left-width: 4px !important;
  border-top-color: var(--border) !important;
  border-right-color: var(--border) !important;
  border-bottom-color: var(--border) !important;
}
.card.border-success { border-left-color: var(--ok) !important; }
.card.border-danger  { border-left-color: var(--danger) !important; }
.card.border-warning { border-left-color: var(--warn) !important; }
.card.border-primary { border-left-color: var(--pr) !important; }

/* Tarjetas de salón con color propio (dashboard y módulo Salones).
   --salon-color se inyecta inline por PHP: color propio del salón si
   está disponible, o rojo/ámbar si está prestado/con novedad. */
.salon-card {
  border-left-width: 5px !important;
  border-left-color: var(--salon-color, var(--border)) !important;
  background: linear-gradient(90deg, color-mix(in srgb, var(--salon-color, #ccc) 8%, var(--surface)) 0%, var(--surface) 60%);
}
.salon-color-dot {
  display: inline-block;
  width: .85rem;
  height: .85rem;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.15);
  vertical-align: middle;
}
.salon-card-clickable { cursor: pointer; transition: transform .15s ease, box-shadow .15s ease; }
.salon-card-clickable:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.salon-card-qr-mini {
  width: 64px; height: 64px; object-fit: contain; flex-shrink: 0;
  border-radius: 8px; border: 1px solid var(--border); background: #fff; padding: 4px;
}
.min-w-0 { min-width: 0; }

/* Tarjetas de estadística del dashboard */
.stat-card { padding: 1.1rem 1rem; }
.stat-card .stat-value { font-size: 2rem; font-weight: 700; line-height: 1; }
.stat-card .stat-label { font-size: .8rem; color: var(--ink-soft); font-weight: 500; margin-top: .35rem; display: block; }

/* ---- Badges ---- */
.badge { font-weight: 500; border-radius: 8px; padding: .45em .75em; letter-spacing: .01em; }
.badge.bg-success { background-color: var(--ok) !important; }
.badge.bg-danger  { background-color: var(--danger) !important; }
.badge.bg-warning { background-color: var(--warn) !important; color: #fff !important; }
.badge.bg-primary { background-color: var(--pr) !important; }
.badge.bg-info    { background-color: var(--info) !important; color: #fff !important; }
.badge.bg-secondary { background-color: #8b8496 !important; }

/* ---- Alertas ---- */
.alert { border-radius: var(--radius-sm); border: 1px solid transparent; }
.alert-success { background-color: var(--ok-bg); color: #0e6b49; border-color: #c7ecdd; }
.alert-danger  { background-color: var(--danger-bg); color: #a3213e; border-color: #f6c9d3; }
.alert-warning { background-color: var(--warn-bg); color: #8a6300; border-color: #f2e0a8; }
.alert-info    { background-color: var(--info-bg); color: #1b5c94; border-color: #c6e2f7; }

/* ---- Tablas ---- */
.table { color: var(--ink); }
.table thead th {
  background-color: #faf5f9;
  color: var(--ink-soft);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.table-hover tbody tr:hover { background-color: #fbf3f8; }
.table td { vertical-align: middle; }

/* ---- Navbar (admin) ---- */
.navbar {
  background: var(--gradient-brand) !important;
  box-shadow: var(--shadow-sm);
}
.navbar-brand { display: flex; align-items: center; gap: .5rem; font-size: 1.1rem; }
.navbar-brand .brand-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 9px;
  background: rgba(255,255,255,.18);
}
.navbar .nav-link {
  font-weight: 500;
  border-radius: 8px;
  padding: .5rem .8rem !important;
  transition: background-color .15s ease;
}
.navbar .nav-link:hover { background-color: rgba(255,255,255,.14); }
.navbar .nav-link.active { background-color: rgba(255,255,255,.22); font-weight: 600; }

/* ---- Modales ---- */
.modal-content { border-radius: var(--radius); border: none; box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--border); }
.modal-footer { border-top: 1px solid var(--border); }

/* ---- Login / pantallas centradas de docente ---- */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--gradient-brand);
  background-attachment: fixed;
  position: relative;
  overflow: hidden;
}
.auth-shell::before, .auth-shell::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.auth-shell::before { width: 340px; height: 340px; top: -120px; left: -120px; }
.auth-shell::after { width: 260px; height: 260px; bottom: -100px; right: -80px; }
.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 2.25rem 2rem;
}
.auth-logo {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.4rem;
  margin: 0 auto .9rem;
}

/* Estados finales (uso finalizado, salón ocupado, 404) reutilizan .status-shell */
.status-shell {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  background: var(--bg);
}
.status-card {
  max-width: 440px;
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 2rem 1.75rem;
  text-align: center;
}
.status-icon {
  width: 68px; height: 68px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.6rem;
}
.status-icon.ok { background: var(--ok-bg); color: var(--ok); }
.status-icon.warn { background: var(--warn-bg); color: var(--warn); }
.status-icon.danger { background: var(--danger-bg); color: var(--danger); }

/* ---- Formularios de docente (ingreso/finalización) ---- */
.field-shell { max-width: 520px; margin: 0 auto; }

/* ---- Utilidades ---- */
.chip-pin {
  font-size: 2rem; font-weight: 700; text-align: center;
  letter-spacing: .4em; padding: .6rem; border-radius: var(--radius-sm);
}

@media (max-width: 576px) {
  .container, .container-fluid {
    padding-left: 12px;
    padding-right: 12px;
  }
  .auth-card { padding: 1.75rem 1.35rem; }
}

/* ============================================================
   DASHBOARD — barra lateral + topbar (estilo panel administrativo)
   ============================================================ */
:root {
  --sidebar-w: 260px;
  --topbar-h: 64px;
}

.dashboard-shell {
  display: flex;
  height: 100vh;       /* antes: min-height: 100vh (permitía que la página completa scrolleara) */
  overflow: hidden;    /* el scroll ahora vive SOLO dentro de .dashboard-content */
  background-color: var(--bg);
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--pr) 0%, var(--pr-dark) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1040;
  box-shadow: var(--shadow-lg);
  transition: transform .25s ease, width .2s ease;
}
.sidebar-brand {
  display: flex; align-items: center; gap: .7rem;
  padding: 1.25rem 1.15rem;
  border-bottom: 1px solid rgba(255,255,255,.14);
  position: relative;
}
.sidebar-collapse-btn {
  border: none; background: rgba(255,255,255,.14); color: #fff;
  width: 26px; height: 26px; border-radius: 7px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; margin-left: auto;
}
.sidebar-collapse-btn:hover { background: rgba(255,255,255,.26); }
.sidebar-brand-icon {
  width: 40px; height: 40px; border-radius: 11px;
  background: rgba(255,255,255,.16);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; flex-shrink: 0;
}
.sidebar-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.sidebar-brand-text strong { font-size: .92rem; letter-spacing: .02em; }
.sidebar-brand-text small { color: rgba(255,255,255,.75); font-size: .72rem; }

.sidebar-nav { flex: 1; padding: .9rem .7rem; overflow-y: auto; overflow-x: hidden; }
.sidebar-link {
  display: flex; align-items: center; gap: .75rem;
  padding: .68rem .85rem;
  border-radius: 10px;
  color: rgba(255,255,255,.86);
  font-weight: 500; font-size: .92rem;
  text-decoration: none;
  margin-bottom: .2rem;
  transition: background-color .15s ease, color .15s ease;
}
.sidebar-link i { width: 20px; text-align: center; font-size: .95rem; opacity: .9; }
.sidebar-link:hover { background-color: rgba(255,255,255,.12); color: #fff; }
.sidebar-link.active {
  background-color: var(--surface);
  color: var(--pr);
  box-shadow: var(--shadow-sm);
}
.sidebar-link.active i { opacity: 1; }

/* ---- Categorías con submenú flotante (aparece al pasar el cursor) ----
   El propio <div class="sidebar-flyout"> se MUEVE por JavaScript a ser
   hijo directo de <body> (ver admin_footer.php) — así queda totalmente
   fuera del contenedor con scroll del sidebar y nunca se corta ni
   fuerza una barra de desplazamiento horizontal en el menú. Por eso
   aquí es position:fixed, no absolute. */
.sidebar-group { position: relative; margin-bottom: .2rem; }
.sidebar-cat-link { justify-content: space-between; }
.sidebar-cat-caret { font-size: .65rem; opacity: .6; margin-left: auto; }
.sidebar-group.active-cat > .sidebar-cat-link {
  background-color: var(--surface);
  color: var(--pr);
}
.sidebar-group.active-cat > .sidebar-cat-link i { opacity: 1; }

.sidebar-flyout {
  display: none;
  position: fixed;
  min-width: 230px;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: .5rem;
  z-index: 2000;
}
.sidebar-flyout.show { display: block; }
.sidebar-flyout-title {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 700;
  color: var(--ink-soft); padding: .4rem .7rem .3rem;
}
.sidebar-flyout-link {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem .7rem; border-radius: 8px;
  color: var(--ink); text-decoration: none; font-size: .87rem; font-weight: 500;
}
.sidebar-flyout-link i { width: 18px; text-align: center; color: var(--pr); }
.sidebar-flyout-link:hover { background: var(--bg); }
.sidebar-flyout-link.active { background: var(--gradient-brand); color: #fff; }
.sidebar-flyout-link.active i { color: #fff; }

.sidebar-collapsed .sidebar-cat-link span,
.sidebar-collapsed .sidebar-cat-caret { display: none; }

.sidebar-footer { padding: .9rem .7rem 1.1rem; border-top: 1px solid rgba(255,255,255,.14); }
.sidebar-logout:hover { background-color: rgba(255,255,255,.12); }

/* Botón flotante para volver a expandir, solo visible cuando está colapsada */
.sidebar-expand-btn {
  display: none;
  position: absolute; top: 74px; right: -13px;
  width: 26px; height: 26px; border-radius: 50%;
  border: 2px solid var(--pr);
  background: var(--surface); color: var(--pr);
  align-items: center; justify-content: center;
  font-size: .68rem; box-shadow: var(--shadow-sm);
  z-index: 1041;
}

.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0; z-index: 1030;
  background: rgba(20, 12, 20, .45);
}
.sidebar-backdrop.show { display: block; }

/* ---- Área principal ---- */
.dashboard-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left .2s ease;
}

.topbar {
  height: var(--topbar-h);
  flex-shrink: 0;   /* nunca se comprime cuando el contenido interno crece */
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.5rem;
  box-shadow: var(--shadow-sm);
}
.topbar-toggle {
  display: none;
  border: none; background: transparent;
  font-size: 1.2rem; color: var(--ink);
  width: 38px; height: 38px; border-radius: 9px;
}
.topbar-toggle:hover { background-color: var(--bg); }
.topbar-title { font-size: 1.15rem; font-weight: 600; margin: 0; flex: 1; color: var(--ink); }

/* ---- Búsqueda global de la topbar ---- */
.topbar-search {
  position: relative;
  flex: 0 1 340px;
  margin: 0 .75rem;
}
.topbar-search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--ink-soft); font-size: .85rem; pointer-events: none;
}
.topbar-search-input {
  width: 100%;
  padding: .5rem .75rem .5rem 2.1rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: .85rem;
  outline: none;
  transition: border-color .15s ease, background .15s ease;
}
.topbar-search-input:focus {
  border-color: var(--pr);
  background: var(--surface);
}
.topbar-search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow-md); max-height: 420px; overflow-y: auto; z-index: 1050;
}
.topbar-search-group-label {
  font-size: .7rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--ink-soft); font-weight: 700; padding: .6rem .9rem .2rem;
}
.topbar-search-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .5rem .9rem; font-size: .85rem; color: var(--ink);
  text-decoration: none;
}
.topbar-search-item:hover { background: var(--bg); color: var(--pr); }
.topbar-search-item i { color: var(--pr); width: 16px; text-align: center; flex-shrink: 0; }
.topbar-search-empty, .topbar-search-loading {
  padding: 1rem; text-align: center; font-size: .82rem; color: var(--ink-soft);
}
@media (max-width: 767px) {
  .topbar-search { display: none; }
}


.topbar-user { }

/* ---- Campanita de notificaciones ---- */
.topbar-bell-btn {
  position: relative;
  border: none; background: transparent;
  width: 38px; height: 38px; border-radius: 9px;
  color: var(--ink); font-size: 1.05rem;
  display: inline-flex; align-items: center; justify-content: center;
}
.topbar-bell-btn:hover { background-color: var(--bg); }
.topbar-bell-badge {
  position: absolute; top: 2px; right: 2px;
  min-width: 16px; height: 16px; padding: 0 3px;
  border-radius: 999px; background: var(--danger); color: #fff;
  font-size: .62rem; font-weight: 700; line-height: 16px; text-align: center;
}
.notif-dropdown { width: 340px; max-width: 90vw; overflow: hidden; }
.notif-dropdown-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem; border-bottom: 1px solid var(--border);
  font-size: .85rem;
}
.notif-dropdown-list { max-height: 340px; overflow-y: auto; }
.notif-item {
  display: flex; gap: .65rem; padding: .7rem 1rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none; color: inherit;
}
.notif-item:hover { background-color: var(--bg); }
.notif-item.no-leida { background-color: var(--pr-soft, rgba(158,31,99,.05)); }
.notif-item .notif-icon {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: var(--gradient-brand); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: .85rem;
}
.notif-item .notif-title { font-size: .82rem; font-weight: 600; color: var(--ink); margin-bottom: .1rem; }
.notif-item .notif-msg { font-size: .78rem; color: var(--ink-soft); line-height: 1.3; }
.notif-item .notif-time { font-size: .7rem; color: var(--ink-soft); margin-top: .2rem; }
.notif-dropdown-footer {
  display: block; text-align: center; padding: .6rem; font-size: .82rem;
  color: var(--pr); font-weight: 600; text-decoration: none;
  border-top: 1px solid var(--border);
}
.notif-dropdown-footer:hover { background-color: var(--bg); }
.topbar-user-btn {
  display: flex; align-items: center; gap: .65rem;
  border: none; background: transparent; padding: .35rem .5rem;
  border-radius: 12px;
}
.topbar-user-btn:hover { background-color: var(--bg); }
.topbar-user-btn .avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--gradient-brand); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .82rem; flex-shrink: 0;
}
.topbar-user-btn .avatar-foto { background-size: cover; background-position: center; }
.topbar-user-info { flex-direction: column; text-align: left; line-height: 1.15; }
.topbar-user-info strong { font-size: .84rem; color: var(--ink); }
.topbar-user-info small { color: var(--ink-soft); font-size: .74rem; }

.dashboard-content {
  flex: 1;
  overflow-y: auto;   /* ← el scroll real vive aquí; sidebar y topbar no se mueven */
  overflow-x: hidden;
  padding: 1.5rem;
}

@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .dashboard-main { margin-left: 0; }
  .topbar-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .sidebar-collapse-btn { display: none; } /* en móvil se usa el toggle del topbar, no el colapso */
}

/* ============================================================
 * Barra de navegación inferior — SOLO en celular (no en tablet, ahí
 * se sigue usando el hamburguesa de la topbar + el menú lateral
 * clásico). Dashboard queda al centro, elevado; a los lados hasta 3
 * categorías de uso diario; a la derecha el botón "Menú" abre el
 * mismo panel lateral completo que ya existía.
 * ============================================================ */
.mobile-bottom-nav { display: none; }

@media (max-width: 767.98px) {
  .topbar-toggle { display: none !important; } /* la topbar ya no necesita su propio hamburguesa: lo hace la barra inferior */

  .dashboard-content { padding-bottom: 5.5rem; } /* deja espacio para que la barra inferior no tape el contenido */

  .mobile-bottom-nav {
    display: flex;
    position: fixed; left: 0; right: 0; bottom: 0;
    height: 4.6rem;
    background: var(--surface);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 16px rgba(0,0,0,.08);
    z-index: 1200;
    padding: 0 .25rem;
  }
  .mobile-nav-item {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: .2rem;
    color: var(--ink-soft);
    text-decoration: none;
    font-size: .68rem; font-weight: 600;
    border: none; background: none;
    padding: 0;
  }
  .mobile-nav-item i { font-size: 1.15rem; }
  .mobile-nav-item.active { color: var(--pr); }

  .mobile-nav-center {
    position: relative;
    margin-top: -1.6rem;
  }
  .mobile-nav-center-icon {
    width: 3.4rem; height: 3.4rem;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #fff; font-size: 1.35rem;
    box-shadow: 0 4px 14px rgba(158,31,99,.4);
    border: 4px solid #fff;
  }
  .mobile-nav-center span { color: var(--ink-soft); }
  .mobile-nav-center.active span { color: var(--pr); }

  /* La barra inferior nueva (z-index 1200) tapaba el aviso de activar
     notificaciones y el de instalar la app (comparten la misma clase
     .notif-permiso-toast, ver estilos de esa clase más abajo) — se
     suben para que queden por encima de la barra, no detrás. */
  .notif-permiso-toast {
    bottom: calc(4.6rem + 14px) !important;
    z-index: 1300 !important;
  }
}

/* ============================================================
   Sidebar COLAPSADA (solo íconos) — desktop, estado persistido
   en localStorage. Ver #btnColapsarSidebar / #btnExpandirSidebar.
   ============================================================ */
:root { --sidebar-w-collapsed: 76px; }

.sidebar-collapsed .sidebar { width: var(--sidebar-w-collapsed); }
.sidebar-collapsed .dashboard-main { margin-left: var(--sidebar-w-collapsed); }

.sidebar-collapsed .sidebar-brand { justify-content: center; padding: 1.25rem .5rem; }
.sidebar-collapsed .sidebar-brand-text,
.sidebar-collapsed .sidebar-collapse-btn,
.sidebar-collapsed .sidebar-link span {
  display: none;
}
.sidebar-collapsed .sidebar-link {
  justify-content: center;
  padding: .68rem;
}
.sidebar-collapsed .sidebar-link i { width: auto; font-size: 1.05rem; }
.sidebar-collapsed .sidebar-expand-btn { display: flex; }

@media (max-width: 991.98px) {
  /* En móvil el colapso a-íconos no aplica: siempre se ve completa cuando está abierta */
  .sidebar-collapsed .sidebar { width: var(--sidebar-w); }
  .sidebar-collapsed .sidebar-brand-text,
  .sidebar-collapsed .sidebar-link span { display: flex; }
  .sidebar-collapsed .sidebar-link span { display: inline; }
  .sidebar-collapsed .dashboard-main { margin-left: 0; }
  .sidebar-collapsed .sidebar-expand-btn { display: none; }
}

/* ---- Tarjetas KPI del dashboard/reportes ---- */
.kpi-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: 1rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.kpi-card .kpi-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; color: #fff; flex-shrink: 0;
}
.kpi-card .kpi-value { font-size: 1.6rem; font-weight: 700; line-height: 1; color: var(--ink); }
.kpi-card .kpi-label { font-size: .8rem; color: var(--ink-soft); font-weight: 500; }
.kpi-icon.bg-pr { background: var(--gradient-brand); }
.kpi-icon.bg-ok { background: var(--ok); }
.kpi-icon.bg-warn { background: var(--warn); }
.kpi-icon.bg-danger { background: var(--danger); }
.kpi-icon.bg-info { background: var(--info); }

/* ---- Tarjetas de gráficas (Chart.js) ---- */
.chart-card { border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-sm); padding: 1.25rem; }
.chart-card h6 { font-weight: 600; margin-bottom: .9rem; }
.chart-card canvas { max-height: 280px; }

/* ---- Badges de rol (usuarios) ---- */
.badge-rol-administrador { background-color: var(--pr) !important; }
.badge-rol-auxiliar { background-color: var(--info) !important; }
.badge-rol-docente { background-color: var(--ok) !important; }
.badge-rol-pasante_sena { background-color: var(--warn) !important; color:#3a2b00 !important; }
.badge-rol-vicerrectoria { background-color: #343a40 !important; }
.badge-rol-planeacion { background-color: #6f42c1 !important; }

/* ---- Login: pantalla dividida con imagen de marca ---- */
.auth-split { min-height: 100vh; display: flex; }
.auth-split-brand {
  flex: 1.1;
  background: var(--gradient-brand);
  display: flex; flex-direction: column; justify-content: center;
  padding: 3rem 4.5rem 3rem 3rem; color: #fff; position: relative; overflow: hidden;
}
.auth-split-brand::before, .auth-split-brand::after {
  content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.08);
}
.auth-split-brand::before { width: 380px; height: 380px; top: -140px; left: -140px; }
.auth-split-brand::after { width: 280px; height: 280px; bottom: -110px; right: -90px; }
/* Textura de puntos sutil, la misma idea que usan las tarjetas QR en póster */
.auth-split-brand .auth-dots {
  position: absolute; z-index: 0; width: 160px; height: 160px;
  background-image: radial-gradient(rgba(255,255,255,.22) 1.6px, transparent 1.6px);
  background-size: 18px 18px;
  pointer-events: none;
}
.auth-split-brand .auth-dots.top-right { top: 28px; right: 34px; }
.auth-split-brand .auth-dots.bottom-left { bottom: 28px; left: 34px; }
/* Borde ondulado que separa el panel de marca del formulario — igual
   idea que las plantillas tipo "onboarding/signup" con el borde en
   forma de nube en vez de una línea recta. */
.auth-split-brand .auth-wave {
  position: absolute; top: 0; right: -1px; height: 100%; width: 70px;
  background-image: url('../img/wave_vertical.png');
  background-repeat: no-repeat; background-size: 100% 100%;
  z-index: 2; pointer-events: none;
}
.auth-split-brand .auth-brand-content { position: relative; z-index: 1; max-width: 480px; }
.auth-split-brand .auth-eyebrow {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; opacity: .8; margin-bottom: .6rem;
}
.auth-split-brand h2 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); line-height: 1.2; }
.auth-split-brand .auth-descripcion { opacity: .82; line-height: 1.55; }
.auth-feature-list { list-style: none; padding: 0; margin: 1.6rem 0 0; display: inline-block; text-align: left; }
.auth-feature-list li {
  display: flex; align-items: center; gap: .65rem;
  padding: .55rem .2rem; font-size: .92rem; opacity: .92;
}
.auth-feature-list .auth-feature-icon {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center;
  font-size: .72rem;
}
.auth-logo-wrap { display: flex; }
.auth-logo-movil { display: none; }

/* ---- Las 3 posiciones — controlan el logo, el texto y las viñetas
   como un solo bloque coherente, no cada uno por su lado. ---- */
.auth-align-izquierda { text-align: left; margin-left: 0; margin-right: auto; }
.auth-align-izquierda .auth-logo-wrap { justify-content: flex-start; }

.auth-align-centro { text-align: center; margin-left: auto; margin-right: auto; }
.auth-align-centro .auth-logo-wrap { justify-content: center; }

.auth-align-derecha { text-align: right; margin-left: auto; margin-right: 0; }
.auth-align-derecha .auth-logo-wrap { justify-content: flex-end; }
.auth-align-derecha .auth-feature-list li { flex-direction: row-reverse; }

/* En PC, la imagen de fondo ya trae su propia marca y mensaje —
   no se superpone texto ni logo encima, para no competir con ella. */
@media (min-width: 901px) {
  .auth-brand-content { display: none; }
}

/* Encabezado del formulario: logo + "COREINFRATEC" en vez del ícono genérico. */
.auth-form-brand { display: flex; align-items: center; justify-content: center; gap: .6rem; margin-bottom: .9rem; }
.auth-form-brand-logo { height: 40px; width: auto; object-fit: contain; }
.auth-form-brand-text { font-size: 1.3rem; font-weight: 800; letter-spacing: .02em; color: var(--pr); }

.auth-split-form {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--bg); padding: 2rem;
}
.auth-split-form .auth-card {
  width: 100%; max-width: 420px;
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: 2.5rem 2.25rem 2.1rem;
  position: relative;
  overflow: hidden;
}
.auth-split-form .auth-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
  background: var(--gradient-brand);
}
.auth-split-form .auth-logo {
  width: 52px; height: 52px; border-radius: 15px; margin-bottom: 1rem;
  box-shadow: 0 6px 16px rgba(0,0,0,.18);
}
.auth-split-form .form-label { font-size: .82rem; font-weight: 600; color: var(--ink-soft); }
.auth-input-group { position: relative; }
.auth-input-group i {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--ink-soft); font-size: .95rem; pointer-events: none;
}
.auth-input-group .form-control { padding-left: 2.6rem; }
.auth-split-form .btn-login {
  border: none; color: #fff; font-weight: 600;
  background: var(--gradient-brand);
  box-shadow: 0 8px 20px rgba(0,0,0,.16);
  transition: transform .15s ease, box-shadow .15s ease;
}
.auth-split-form .btn-login:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(0,0,0,.2); color: #fff; }
.auth-divider { display: flex; align-items: center; gap: .75rem; margin: 1.3rem 0 1rem; color: var(--ink-soft); font-size: .74rem; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ============================================================
 * MÓVIL — en vez de esconder el panel de marca por completo, se
 * convierte en una franja superior compacta (logo + título), con el
 * mismo borde ondulado pero en horizontal, como el mockup de celular
 * de referencia. La descripción y las viñetas se ocultan aquí — no
 * caben cómodas en una franja tan corta.
 * ============================================================ */
@media (max-width: 900px) {
  .auth-split { flex-direction: column; }
  .auth-split-brand {
    flex: 0 0 auto; width: 100%;
    padding: 2.2rem 1.5rem 3.2rem;
    min-height: 0;
  }
  .auth-split-brand .auth-descripcion,
  .auth-split-brand .auth-feature-list,
  .auth-split-brand .auth-eyebrow,
  .auth-split-brand h2 { display: none; }
  /* La imagen de fondo (pensada para el panel ancho de escritorio) no
     se recorta bien en una franja tan corta — en celular se ve solo el
     degradado de marca con el logo, más limpio que un recorte al azar. */
  .auth-fondo-imagen { display: none; }
  .auth-split-brand .auth-wave {
    top: auto; bottom: -1px; right: 0; left: 0; width: 100%; height: 46px;
    background-image: url('../img/wave_horizontal.png');
  }
  .auth-logo-desktop { display: none; }
  .auth-logo-movil { display: block; }
  .auth-split-form { padding: 1.5rem; }
}
.auth-mobile-header { display: none; }

/* ---- Aviso para activar notificaciones de escritorio ---- */
.notif-permiso-toast {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 1080;
  max-width: 360px;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 1rem 1.1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  font-size: .85rem;
  animation: notifToastIn .25s ease;
}
.notif-permiso-toast i { font-size: 1.1rem; }
.notif-permiso-toast span { flex: 1 1 100%; }
@keyframes notifToastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 480px) {
  .notif-permiso-toast { left: 12px; right: 12px; max-width: none; }
}

/* ============================================================
 * IMPRESIÓN — global para todo el panel admin. Antes cada página
 * tenía que definir su propio @media print (o no tenía ninguno y
 * salía con el sidebar/topbar de fondo). Con esto, cualquier página
 * que use el layout admin_header/admin_footer imprime limpio por
 * defecto — sin tener que repetirlo en cada vista.
 * ============================================================ */
@media print {
  .sidebar, .topbar, .btn, .modal, .dropdown-menu,
  .notif-permiso-toast, #overlayCambiarPassword {
    display: none !important;
  }
  .dashboard-content {
    margin-left: 0 !important;
    padding: 0 !important;
    width: 100% !important;
  }
  body {
    background: #fff !important;
  }
  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
    break-inside: avoid;
  }
  a[href]::after {
    content: '' !important; /* No mostrar URLs largas al pie de los enlaces */
  }
}

/* Utilidad para ocultar algo SOLO al imprimir, sin depender de
   Bootstrap: <div class="d-print-none"> ya funciona con Bootstrap,
   esta es la contraparte por si se necesita en HTML sin Bootstrap. */
@media print {
  .d-print-none { display: none !important; }
}