/* =============================================================
   RESERVA DE SALAS — Hoja de estilos principal
   Paleta: Azul corporativo (#1565C0) + Blanco
   ============================================================= */

/* ── Variables ────────────────────────────────────────────── */
:root {
  --primary:        #1565C0;
  --primary-dark:   #0D47A1;
  --primary-light:  #1976D2;
  --primary-50:     #E3F2FD;
  --primary-100:    #BBDEFB;

  --success:        #2E7D32;
  --success-bg:     #E8F5E9;
  --danger:         #C62828;
  --danger-bg:      #FFEBEE;
  --warning:        #F57F17;
  --warning-bg:     #FFFDE7;
  --info:           #01579B;
  --info-bg:        #E1F5FE;

  --gray-50:        #FAFAFA;
  --gray-100:       #F5F5F5;
  --gray-200:       #EEEEEE;
  --gray-300:       #E0E0E0;
  --gray-400:       #BDBDBD;
  --gray-500:       #9E9E9E;
  --gray-600:       #757575;
  --gray-700:       #616161;
  --gray-800:       #424242;
  --gray-900:       #212121;

  --radius-sm:      4px;
  --radius:         8px;
  --radius-lg:      12px;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.12);
  --shadow:         0 2px 8px rgba(0,0,0,.15);
  --shadow-lg:      0 4px 20px rgba(0,0,0,.18);

  --font:           -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:      'Courier New', Courier, monospace;

  --header-h:       60px;
  --sidebar-w:      240px;
  --max-w:          1200px;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Proteger el atributo hidden frente a reglas display de autor */
[hidden] { display: none !important; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--gray-100);
  color: var(--gray-900);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { list-style: none; }

/* ── Accesibilidad ────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--primary);
  box-shadow: var(--shadow);
  height: var(--header-h);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex; align-items: center; gap: .5rem;
  color: #fff; font-weight: 700; font-size: 1.1rem;
  text-decoration: none; flex-shrink: 0;
}
.logo:hover { text-decoration: none; opacity: .9; }
.logo-icon { font-size: 1.4rem; }

.main-nav {
  display: flex; align-items: center; gap: .25rem;
  flex: 1;
}

.nav-link {
  display: inline-block;
  padding: .45rem .8rem;
  color: rgba(255,255,255,.85);
  border-radius: var(--radius-sm);
  font-size: .92rem;
  transition: background .15s, color .15s;
  border: none; background: none; cursor: pointer;
}
.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,.2);
  color: #fff;
  text-decoration: none;
}
.nav-link--primary {
  background: rgba(255,255,255,.2);
  color: #fff;
  font-weight: 600;
}
.nav-link--primary:hover { background: rgba(255,255,255,.3); }

/* Dropdown — se abre con clic, no con hover */
.nav-dropdown { position: relative; }

.nav-link--dropdown {
  /* hereda exactamente el mismo aspecto que .nav-link */
  font-size: inherit;
  font-family: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.dropdown-arrow { font-size: .7rem; transition: transform .15s; }

.dropdown-menu {
  position: absolute; top: calc(100% + .4rem); left: 0;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  min-width: 190px;
  overflow: hidden;
  z-index: 200;
}
.dropdown-menu a {
  display: block; padding: .7rem 1.1rem;
  color: var(--gray-800); font-size: .9rem;
  border-bottom: 1px solid var(--gray-100);
}
.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a:hover { background: var(--primary-50); color: var(--primary); text-decoration: none; }

.header-user {
  display: flex; align-items: center; gap: .6rem;
  margin-left: auto; color: rgba(255,255,255,.9); font-size: .9rem;
}
.badge-admin {
  background: #FFD600; color: #1a1a1a;
  padding: .1rem .45rem; border-radius: 99px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
}
.logout-form { display: inline; }
.btn-logout {
  background: rgba(255,255,255,.15);
  color: #fff; border: 1px solid rgba(255,255,255,.3);
  padding: .3rem .7rem; border-radius: var(--radius-sm);
  cursor: pointer; font-size: .85rem;
  transition: background .15s;
}
.btn-logout:hover { background: rgba(255,255,255,.3); }

.menu-toggle {
  display: none;
  background: none; border: none; color: #fff;
  font-size: 1.5rem; cursor: pointer; margin-left: auto;
}

/* ── Main content ─────────────────────────────────────────── */
.main-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* ── Alertas flash ────────────────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: .75rem;
  padding: .9rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: .95rem;
  border-left: 4px solid;
}
.alert--success { background: var(--success-bg); border-color: var(--success); color: #1b5e20; }
.alert--error   { background: var(--danger-bg);  border-color: var(--danger);  color: #b71c1c; }
.alert--warning { background: var(--warning-bg); border-color: var(--warning); color: #e65100; }
.alert--info    { background: var(--info-bg);    border-color: var(--info);    color: #01579b; }
.alert-icon { font-size: 1.1rem; flex-shrink: 0; }
.alert-close {
  margin-left: auto; background: none; border: none;
  font-size: 1.2rem; cursor: pointer; opacity: .6; align-self: flex-start;
}
.alert-close:hover { opacity: 1; }

/* ── Botones ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: all .15s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

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

.btn--secondary {
  background: #fff; color: var(--gray-800); border-color: var(--gray-300);
}
.btn--secondary:hover { background: var(--gray-100); }

.btn--danger {
  background: var(--danger); color: #fff; border-color: var(--danger);
}
.btn--danger:hover { background: #b71c1c; }

.btn--icon {
  background: #fff; color: var(--gray-700); border-color: var(--gray-300);
  padding: .45rem .75rem; font-size: 1.1rem;
}
.btn--icon:hover { background: var(--gray-100); }

.btn--sm  { padding: .3rem .7rem; font-size: .82rem; }
.btn--xs  { padding: .2rem .5rem; font-size: .78rem; }
.btn--lg  { padding: .65rem 1.4rem; font-size: 1rem; }
.btn--full { width: 100%; }

.btn--view {
  background: #fff; color: var(--gray-700); border: 1px solid var(--gray-300);
  padding: .35rem .85rem; font-size: .88rem;
}
.btn--view.active, .btn--view:hover {
  background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ── Formularios ──────────────────────────────────────────── */
.form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  max-width: 760px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  font-size: .9rem;
  margin-bottom: .4rem;
  color: var(--gray-800);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="number"],
.form-group input[type="color"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .55rem .8rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-family: var(--font);
  transition: border-color .15s, box-shadow .15s;
  background: #fff;
  color: var(--gray-900);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21,101,192,.15);
}

.form-group textarea { resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-hint {
  display: block; font-size: .8rem; color: var(--gray-500); margin-top: .3rem;
}

.form-actions {
  display: flex; gap: 1rem; margin-top: 1.75rem;
  padding-top: 1.25rem; border-top: 1px solid var(--gray-200);
}

.required { color: var(--danger); }

.checkbox-label {
  display: flex; align-items: center; gap: .6rem;
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] { width: auto; width: 1.1rem; height: 1.1rem; }

.form-inline { display: inline; }

.input-with-toggle {
  position: relative;
}
.input-with-toggle input { padding-right: 2.8rem; }
.toggle-password {
  position: absolute; right: .5rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1rem; padding: .2rem;
}

.error-list { padding-left: 1.2rem; margin-top: .4rem; }
.error-list li { margin-bottom: .2rem; }

/* Color picker */
.color-picker-group { display: flex; align-items: center; gap: .75rem; }
.color-picker-group input[type="color"] { width: 3rem; height: 2.5rem; padding: .1rem; border-radius: var(--radius-sm); }
.color-preview { font-size: .85rem; color: var(--gray-600); }

/* Duracion info */
.duracion-info, .disponibilidad {
  margin: -.5rem 0 1rem;
  font-size: .88rem;
}
.text-error { color: var(--danger); }
.text-info  { color: var(--info); }

/* Periódica */
.periodica-options {
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

/* ── Page header ──────────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem; gap: 1rem;
}
.page-header h1 { font-size: 1.5rem; color: var(--gray-900); }

/* ── Tablas ───────────────────────────────────────────────── */
.tabla-responsive { overflow-x: auto; margin-bottom: 1.5rem; }

.tabla {
  width: 100%; border-collapse: collapse;
  background: #fff; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  font-size: .9rem;
}
.tabla th {
  background: var(--primary); color: #fff;
  text-align: left; padding: .75rem 1rem;
  font-weight: 600; font-size: .85rem;
  text-transform: uppercase; letter-spacing: .03em;
  white-space: nowrap;
}
.tabla td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}
.tabla tbody tr:last-child td { border-bottom: none; }
.tabla tbody tr:hover { background: var(--primary-50); }
.tabla--sm th, .tabla--sm td { padding: .55rem .85rem; font-size: .85rem; }

.row--inactiva td { opacity: .5; }
.acciones { white-space: nowrap; }
.acciones .btn + .btn { margin-left: .4rem; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 99px;
  font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em;
}
.badge--verde  { background: var(--success-bg); color: var(--success); }
.badge--rojo   { background: var(--danger-bg);  color: var(--danger); }
.badge--azul   { background: var(--primary-50); color: var(--primary); }
.badge--gris   { background: var(--gray-200);   color: var(--gray-600); }
.badge-periodica { background: #EDE7F6; color: #6A1B9A; }

.badge-accion {
  font-size: .72rem; padding: .1rem .45rem;
  font-weight: 700;
}
.badge-accion--login    { background: #E8F5E9; color: #2E7D32; }
.badge-accion--logout   { background: #F3E5F5; color: #6A1B9A; }
.badge-accion--crear    { background: #E3F2FD; color: #1565C0; }
.badge-accion--editar   { background: #FFF3E0; color: #E65100; }
.badge-accion--cancelar { background: #FFEBEE; color: #C62828; }
.badge-accion--desactivar{ background: #FFEBEE; color: #C62828; }

/* ── Paginación ───────────────────────────────────────────── */
.paginacion {
  display: flex; flex-wrap: wrap; gap: .35rem;
  margin-top: 1rem; justify-content: center;
}
.pag-btn {
  padding: .35rem .75rem; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--gray-300);
  color: var(--gray-700); font-size: .88rem;
}
.pag-btn:hover { background: var(--primary-50); color: var(--primary); text-decoration: none; }
.pag-btn--active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pag-btn--ellipsis { border: none; background: none; cursor: default; color: var(--gray-500); }

/* ── Color swatch ─────────────────────────────────────────── */
.color-swatch {
  display: inline-block; width: 1.2rem; height: 1.2rem;
  border-radius: 50%; border: 2px solid rgba(0,0,0,.15);
  vertical-align: middle;
}

/* ── Reservas cards ───────────────────────────────────────── */
.reservas-seccion { margin-bottom: 2.5rem; }
.reservas-seccion h2 {
  font-size: 1.15rem; color: var(--gray-800);
  margin-bottom: 1rem; padding-bottom: .5rem;
  border-bottom: 2px solid var(--gray-200);
  display: flex; align-items: center; gap: .6rem;
}

.reservas-lista { display: grid; gap: .75rem; }

.reserva-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex; align-items: stretch;
  border-left: 4px solid var(--primary);
  overflow: hidden;
  transition: box-shadow .15s;
}
.reserva-card:hover { box-shadow: var(--shadow); }
.reserva-card--pasada { opacity: .65; }
.reserva-card--serie  { border-left-color: #6A1B9A; }

.reserva-card__body {
  flex: 1; padding: .9rem 1rem;
}
.reserva-card__titulo {
  font-weight: 600; font-size: .97rem;
  color: var(--gray-900); margin-bottom: .4rem;
}
.reserva-card__meta {
  display: flex; flex-wrap: wrap; gap: .5rem .9rem;
  font-size: .83rem; color: var(--gray-600);
}
.meta-item { white-space: nowrap; }
.reserva-card__desc {
  margin-top: .4rem; font-size: .83rem; color: var(--gray-600);
}
.reserva-card__acciones {
  display: flex; flex-direction: column; align-items: stretch; gap: .5rem;
  padding: .75rem;
  border-left: 1px solid var(--gray-200);
}

/* ── Empty state ──────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 3rem 1rem;
  color: var(--gray-500);
}
.empty-icon { font-size: 3rem; display: block; margin-bottom: 1rem; }
.empty-state p { margin-bottom: 1rem; }

/* ── Sección colapsable ───────────────────────────────────── */
.seccion-toggle {
  background: none; border: none; cursor: pointer;
  font-size: 1.15rem; font-weight: 600; color: var(--gray-800);
  padding: 0 0 .5rem;
  border-bottom: 2px solid var(--gray-200);
  display: flex; align-items: center; gap: .6rem;
  width: 100%;
}
.seccion-toggle:hover { color: var(--primary); }
.seccion-contenido { padding-top: 1rem; }

/* ── Tabla sección ────────────────────────────────────────── */
.tabla-seccion { margin-bottom: 2rem; }
.tabla-seccion h2 {
  font-size: 1.15rem; margin-bottom: 1rem;
  padding-bottom: .5rem; border-bottom: 2px solid var(--gray-200);
}

/* ── Stats cards ──────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); padding: 1.25rem;
  display: flex; align-items: center; gap: 1rem;
}
.stat-card__icon {
  width: 3rem; height: 3rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.stat-card__number {
  font-size: 2rem; font-weight: 700; line-height: 1;
  color: var(--gray-900);
}
.stat-card__label { font-size: .85rem; color: var(--gray-500); margin-top: .2rem; }

/* ── Accesos rápidos admin ────────────────────────────────── */
.admin-accesos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem; margin-bottom: 2rem;
}
.acceso-card {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); padding: 1.5rem 1rem;
  text-align: center; color: var(--gray-800);
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
  transition: all .15s;
  border: 2px solid transparent;
}
.acceso-card:hover {
  border-color: var(--primary); color: var(--primary); text-decoration: none;
  transform: translateY(-2px); box-shadow: var(--shadow);
}
.acceso-icon { font-size: 1.8rem; }

/* ── Filtros card ─────────────────────────────────────────── */
.filtros-card {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.filtros-form .form-row { align-items: flex-end; }
.form-group--actions { display: flex; gap: .5rem; }

/* ── Texto utilitarios ────────────────────────────────────── */
.text-muted   { color: var(--gray-500); }
.text-center  { text-align: center; }
.text-mono    { font-family: var(--font-mono); font-size: .82rem; }
.nowrap       { white-space: nowrap; }

/* ── Modal ────────────────────────────────────────────────── */
.modal[hidden] { display: none; }
.modal {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
}
.modal-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
}
.modal-box {
  position: relative; background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,.28);
  width: 90%; max-width: 560px; max-height: 80vh;
  overflow: hidden; display: flex; flex-direction: column;
}
.modal-box--sm { max-width: 420px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.4rem;
  background: var(--primary-dark);
  border-bottom: none;
}
.modal-header h3 {
  font-size: 1rem; font-weight: 600;
  color: #fff; letter-spacing: .01em;
}
.modal-close {
  background: rgba(255,255,255,.15); border: none;
  width: 28px; height: 28px; border-radius: 50%;
  font-size: 1.1rem; line-height: 1;
  cursor: pointer; color: rgba(255,255,255,.8);
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
.modal-close:hover { background: rgba(255,255,255,.28); color: #fff; }
.modal-body {
  padding: 1.4rem; overflow-y: auto; flex: 1;
  background: #fff;
}
.modal-footer {
  padding: .9rem 1.4rem;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  display: flex; gap: .75rem; justify-content: flex-end;
}

/* ── JSON pre ─────────────────────────────────────────────── */
.json-pre {
  background: var(--gray-100); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); padding: .75rem;
  font-family: var(--font-mono); font-size: .8rem;
  overflow-x: auto; max-height: 200px;
}

/* ── Spinner ──────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 2rem; height: 2rem; border-radius: 50%;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  animation: spin .7s linear infinite;
}

/* ── Calendario ───────────────────────────────────────────── */
.calendario-page { display: flex; flex-direction: column; gap: 1rem; }

.cal-toolbar {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: .85rem 1.25rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: .75rem;
}
.cal-toolbar__nav { display: flex; align-items: center; gap: .4rem; }
.cal-title { font-size: 1.1rem; font-weight: 600; color: var(--gray-900); min-width: 12rem; }
.cal-toolbar__views { display: flex; gap: .25rem; }
.cal-toolbar__filtros { display: flex; align-items: center; gap: .75rem; margin-left: auto; flex-wrap: wrap; }
.select-sala {
  padding: .45rem .8rem; border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: .9rem;
  background: #fff; cursor: pointer;
}

.cal-leyenda {
  display: flex; flex-wrap: wrap; gap: .5rem .9rem;
  padding: .5rem .25rem;
}
.leyenda-item { display: flex; align-items: center; gap: .4rem; font-size: .85rem; }
.leyenda-color {
  width: 12px; height: 12px; border-radius: 3px;
  flex-shrink: 0;
}

.cal-container {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  min-height: 500px;
  position: relative;
}
.cal-loading {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: .75rem;
  color: var(--gray-500); font-size: .9rem;
  background: rgba(255,255,255,.9); z-index: 10;
  border-radius: var(--radius-lg);
}

/* ── Cuadrícula de mes ────────────────────────────────────── */
.cal-mes { padding: .5rem; }

.cal-mes__header {
  display: grid; grid-template-columns: repeat(7, 1fr);
  text-align: center; font-size: .78rem; font-weight: 700;
  color: var(--gray-600); text-transform: uppercase;
  padding: .5rem 0; border-bottom: 2px solid var(--primary-100);
}

.cal-mes__grid { display: grid; grid-template-columns: repeat(7, 1fr); }

.cal-mes__dia {
  min-height: 100px; padding: .4rem;
  border: 1px solid var(--gray-200);
  cursor: pointer;
  transition: background .1s;
}
.cal-mes__dia:hover { background: var(--primary-50); }
.cal-mes__dia--otro-mes { background: var(--gray-50); }
.cal-mes__dia--hoy {
  background: var(--primary-50);
  border-color: var(--primary) !important;
}
.cal-mes__dia--hoy .dia-numero { color: var(--primary); font-weight: 700; }
.dia-numero {
  font-size: .82rem; font-weight: 600; color: var(--gray-700);
  margin-bottom: .25rem; display: inline-flex;
  align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
}
.dia-numero--hoy {
  background: var(--primary);
  color: #fff;
}
.cal-evento {
  display: block; padding: .15rem .3rem;
  border-radius: 3px; font-size: .72rem;
  color: #fff; margin-bottom: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  cursor: pointer; line-height: 1.4;
}
.cal-evento:hover { filter: brightness(1.1); }
.cal-mas { font-size: .72rem; color: var(--primary); cursor: pointer; padding: .1rem .3rem; }

/* ── Vista semana — cuadrícula recursos (sala × día) ──────── */
.calr {
  padding: .75rem;
  overflow-x: auto;
}

.calr__cabecera,
.calr__fila {
  display: grid;
  border-bottom: 1px solid var(--gray-200);
}

.calr__corner {
  display: flex; align-items: center; justify-content: center;
  padding: .6rem .75rem;
  background: var(--gray-50);
  font-size: .72rem; font-weight: 700;
  color: var(--gray-500); text-transform: uppercase; letter-spacing: .05em;
  border-right: 2px solid var(--gray-300);
}

.calr__dia-hdr {
  display: flex; flex-direction: column; align-items: center;
  padding: .6rem .25rem;
  font-size: .8rem;
  border-left: 1px solid var(--gray-200);
  background: var(--gray-50);
}
.calr__dia-hdr--hoy { background: var(--primary-50); }
.calr__dia-nombre { color: var(--gray-500); font-size: .72rem; text-transform: uppercase; }
.calr__dia-num {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-size: .95rem; font-weight: 700; color: var(--gray-800);
  margin-top: .1rem;
}
.calr__dia-num--hoy {
  background: var(--primary);
  color: #fff;
}

.calr__sala-label {
  display: flex; align-items: center; gap: .5rem;
  padding: .65rem .75rem;
  background: var(--gray-50);
  border-right: 2px solid var(--gray-300);
  min-height: 72px;
}
.calr__sala-dot {
  width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0;
}
.calr__sala-txt {
  font-size: .82rem; font-weight: 600; color: var(--gray-800);
  line-height: 1.3;
}

.calr__celda {
  position: relative;
  padding: .35rem;
  border-left: 1px solid var(--gray-200);
  min-height: 72px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: .25rem;
  transition: background .12s;
}
.calr__celda:hover { background: var(--primary-50); }
.calr__celda--hoy { background: #F5F9FF; }
.calr__celda--hoy:hover { background: var(--primary-50); }

.calr__libre {
  margin: auto;
  font-size: .72rem;
  color: var(--gray-300);
  font-style: italic;
  user-select: none;
}

.calr__ev {
  border-radius: 5px;
  padding: .25rem .4rem;
  cursor: pointer;
  transition: filter .12s, transform .1s;
  overflow: hidden;
}
.calr__ev:hover { filter: brightness(1.12); transform: translateY(-1px); }
.calr__ev-hora {
  display: block;
  font-size: .67rem; color: rgba(255,255,255,.85); font-weight: 500;
}
.calr__ev-tit {
  display: block;
  font-size: .76rem; color: #fff; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ── Vista día — timeline vertical (sala × hora) ──────────── */
.cald { overflow-x: auto; min-width: 0; }

.cald__cabecera {
  display: grid;
  position: sticky; top: 0; z-index: 10;
  background: #fff;
  border-bottom: 2px solid var(--gray-200);
  box-shadow: 0 2px 6px rgba(0,0,0,.07);
}
.cald__hora-hdr {
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
}
.cald__sala-hdr {
  text-align: center;
  padding: .7rem .5rem;
  font-size: .85rem; font-weight: 600; color: var(--gray-800);
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  border-left: 1px solid var(--gray-200);
}
.cald__sala-dot {
  width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
}

.cald__body {
  display: grid;
  position: relative;
}
.cald__horas {
  position: relative;
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
}
.cald__h-mark {
  position: absolute; right: 6px;
  font-size: .7rem; color: var(--gray-400);
  transform: translateY(-50%);
  white-space: nowrap;
}

.cald__col {
  position: relative;
  border-left: 1px solid var(--gray-200);
  overflow: visible;
}

.cald__slot {
  position: absolute; left: 0; right: 0;
  border-bottom: 1px solid var(--gray-200);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .1s;
}
.cald__slot:hover { background: rgba(21,101,192,.05); }
.cald__slot-add {
  opacity: 0;
  font-size: .72rem; color: var(--primary); font-weight: 600;
  pointer-events: none;
  transition: opacity .15s;
}
.cald__slot:hover .cald__slot-add { opacity: 1; }

.cald__linea-media {
  position: absolute; left: 0; right: 0;
  height: 1px; background: var(--gray-100);
  pointer-events: none;
}

.cald__ev {
  position: absolute; left: 4px; right: 4px;
  border-radius: 7px;
  padding: .25rem .5rem;
  cursor: pointer; overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
  transition: transform .1s, box-shadow .1s, filter .1s;
  z-index: 1;
}
/* Formato compacto para reservas cortas (una sola línea) */
.cald__ev-compact {
  display: block;
  font-size: .72rem; font-weight: 700; color: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  line-height: 1.35;
}
.cald__ev:hover {
  transform: translateX(2px) scale(1.01);
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
  filter: brightness(1.08);
  z-index: 2;
}
.cald__ev-hora {
  display: block;
  font-size: .68rem; color: rgba(255,255,255,.85); font-weight: 500;
}
.cald__ev-tit {
  display: block;
  font-size: .8rem; font-weight: 700; color: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-top: 1px;
}
.cald__ev-desc {
  display: block;
  font-size: .7rem; color: rgba(255,255,255,.8);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-top: 2px;
}

/* Indicador de hora actual */
.cald__ahora {
  position: absolute; left: -2px; right: 0;
  height: 2px; background: #E53935;
  z-index: 5; pointer-events: none;
}
.cald__ahora::before {
  content: '';
  position: absolute; left: -4px; top: -4px;
  width: 10px; height: 10px;
  background: #E53935; border-radius: 50%;
}

/* ── Login page ───────────────────────────────────────────── */
.login-page {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
}
.login-wrapper {
  width: 100%; max-width: 420px; padding: 1rem;
}
.login-card {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 2.5rem 2rem;
}
.login-header {
  text-align: center; margin-bottom: 2rem;
}
.login-icon { font-size: 3rem; display: block; margin-bottom: .5rem; }
.login-header h1 { font-size: 1.5rem; color: var(--gray-900); }
.login-header p  { color: var(--gray-500); font-size: .9rem; margin-top: .25rem; }
.login-form .form-group { margin-bottom: 1rem; }
.login-form button { margin-top: .5rem; }
.login-help { text-align: center; margin-top: 1.25rem; font-size: .82rem; color: var(--gray-500); }

/* ── Error page ───────────────────────────────────────────── */
.error-page {
  background: var(--gray-100); min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
}
.error-card { text-align: center; }
.error-code {
  font-size: 6rem; font-weight: 900; color: var(--primary-100); line-height: 1;
  margin-bottom: .5rem;
}
.error-card h1 { font-size: 1.75rem; color: var(--gray-800); margin-bottom: .75rem; }
.error-card p  { color: var(--gray-500); margin-bottom: 1.5rem; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--gray-200); border-top: 1px solid var(--gray-300);
  padding: 1rem; margin-top: 2rem;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  font-size: .82rem; color: var(--gray-500);
  display: flex; gap: .5rem; justify-content: center;
}
.footer-sep { color: var(--gray-400); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .main-nav {
    display: none; flex-direction: column;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--primary-dark);
    padding: .75rem;
    z-index: 200;
  }
  .main-nav.open { display: flex; }
  .nav-link { width: 100%; padding: .65rem .8rem; }
  .dropdown-menu { position: static; box-shadow: none; background: rgba(255,255,255,.1); }
  .dropdown-menu a { color: rgba(255,255,255,.85); }
  .dropdown-menu a:hover { background: rgba(255,255,255,.1); color: #fff; }

  .header-user { display: none; }

  .cal-toolbar { flex-direction: column; align-items: stretch; }
  .cal-toolbar__nav, .cal-toolbar__views, .cal-toolbar__filtros { justify-content: center; }
  .cal-toolbar__filtros { flex-direction: column; }
  .cal-mes__dia { min-height: 60px; }

  .form-card { padding: 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; }
  .form-actions .btn { width: 100%; }

  .page-header { flex-direction: column; align-items: flex-start; }

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

  .reserva-card { flex-direction: column; }
  .reserva-card__acciones { border-left: none; border-top: 1px solid var(--gray-200); }

  .modal-box { width: 96%; max-height: 90vh; }
  .modal-footer { flex-direction: column; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .admin-accesos { grid-template-columns: 1fr; }
  .cal-mes__header span:nth-child(6),
  .cal-mes__header span:nth-child(7) { display: none; }
}

/* ── Ubicación inline en meta-items ─────────────────────────── */
.meta-ubicacion {
  color: var(--gray-500);
  font-size: .8em;
  margin-left: .3rem;
}

/* ── Login: botón Microsoft + separador ─────────────────────── */
.btn-microsoft {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  width: 100%;
  padding: .75rem 1.25rem;
  background: #fff;
  border: 1.5px solid #D0D0D0;
  border-radius: 6px;
  font-size: .95rem;
  font-weight: 600;
  color: #333;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s, border-color .15s, box-shadow .15s;
  margin-bottom: 1rem;
}
.btn-microsoft:hover {
  background: #F5F5F5;
  border-color: #AAAAAA;
  box-shadow: 0 2px 6px rgba(0,0,0,.1);
}
.login-separator {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: .5rem 0 1rem;
  color: #999;
  font-size: .8rem;
}
.login-separator::before,
.login-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #DDD;
}