/* ===================================
   VARIABLES GLOBALES
=================================== */
:root {
  --color-primario: #161007;
  --color-secundario: #2e220f;
  --color-amarillo: #f9a825;
  --color-fondo: #f5f5f5;
  --color-blanco: #ffffff;
  --color-texto: #333333;
  --color-shadow: rgba(0, 0, 0, 0.1);

  --color-muted: #6c757d;
  --color-border: #e0e0e0;
  --color-accent: #f1f1f1;
  --color-active: #28a745;
  --color-inactive: #dc3545;
  --color-success: #28a745;
  --color-danger: #dc3545;

  --radius: 0.75rem;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ===================================
   ESTILOS GENERALES
=================================== */
body {
  background: var(--color-fondo);
  color: var(--color-texto);
  margin: 0;
  overflow-x: hidden;
  font-family: 'Segoe UI', sans-serif;
}

/* Transiciones reutilizables */
.transition {
  transition: all 0.2s ease-in-out;
}

/* Sombra al pasar el mouse */
.hover-shadow:hover {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
  transform: translateY(-2px);
}

/* ===================================
   NAVBAR
=================================== */
.navbar-glass {
  background-color: rgba(33, 33, 33, 0.6); /* fondo oscuro semitransparente */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
  padding: 1rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
  z-index: 1000;
}

.navbar-glass.scrolled {
  background-color: rgba(33, 33, 33, 0.95);
}

.navbar-brand {
  color: #fbc02d;
  font-size: 1.75rem;
  letter-spacing: 0.5px;
}

.navbar-brand:hover {
  color: #fff;
}

.navbar-nav .nav-link {
  color: #f5f5f5;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.25s ease-in-out;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  background-color: rgba(251, 192, 45, 0.2);
  color: #fff;
  font-weight: 600;
}

.navbar .btn-outline-light {
  border-color: #fbc02d;
  color: #fbc02d;
}

.navbar .btn-outline-light:hover {
  background-color: #fbc02d;
  color: #111;
}

.navbar-glass .navbar-toggler {
  border: none;
}

.navbar-glass .navbar-toggler-icon {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='%23fbc02d' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* ===================================
   HERO / HEADER
=================================== */
.hero-section {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

.hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* fill */
  object-position: center;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1;
}

.hero-overlay-text {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  padding: 1rem;
  max-width: 90%;
  margin: 0 auto;
  top: 50%;
  transform: translateY(-50%);
}

.hero-overlay-text h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.hero-overlay-text p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

.hero-overlay-text .btn-warning {
  background-color: var(--color-amarillo);
  border: none;
  color: #111;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.hero-overlay-text .btn-warning:hover {
  background-color: #fdd835;
  transform: scale(1.05);
}

/* Elemento destacado en header tipo cita */
.instructor-text {
  border-left: 4px solid var(--color-primario);
  padding-left: 1rem;
  background: #fff;
  animation: fadeIn 1.2s ease-in;
}

/* ===================================
   SECCIONES GENERALES
=================================== */
.section-title {
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-primario);
  margin-bottom: 2rem;
}

/* ===================================
   FORMULARIOS
=================================== */
form .form-control {
  border-radius: 0.5rem;
  box-shadow: none;
  border: 1px solid #ccc;
}

/* ===================================
   FOOTER
=================================== */
.footer-custom {
  background-color: var(--color-blanco);
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}

.footer-link {
  color: var(--color-muted);
  text-decoration: none;
  display: block;
  margin-bottom: 0.4rem;
  transition: all 0.2s ease-in-out;
}

.footer-link:hover {
  color: var(--color-primario);
  transform: translateX(4px);
}

.social-icon {
  font-size: 1.5rem;
  margin-right: 0.8rem;
  color: var(--color-muted);
  transition: color 0.3s ease;
}

.social-icon:hover {
  color: var(--color-primario);
}

/* ===================================
   SIDEBAR Y CONTENIDO PRINCIPAL
=================================== */
.sidebar {
  background-color: var(--color-blanco);
  width: 240px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  padding: 2rem 1rem;
  box-shadow: var(--shadow);
  z-index: 1020;
  transition: all 0.3s ease-in-out;
}

.sidebar .nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-muted);
  font-weight: 500;
  border-radius: var(--radius);
  transition: all 0.2s ease-in-out;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background-color: var(--color-primario);
  color: white !important;
}

.main-content {
  margin-left: 240px;
  padding: 20px 30px 30px;
  min-height: calc(100vh - 70px);
  transition: all 0.3s ease-in-out;
}

/* ===================================
   TARJETAS / CARDS
=================================== */
.card-stat {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease;
}

.card-stat:hover {
  transform: translateY(-5px);
}

.card-stat h6 {
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: bold;
}

.card-stat i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.card-azul    { background: linear-gradient(135deg, #0077b6, #023e8a); }
.card-naranja { background: linear-gradient(135deg, #fb8500, #ffb703); }
.card-rojo    { background: linear-gradient(135deg, #e63946, #a4161a); }
.card-verde   { background: linear-gradient(135deg, #2a9d8f, #007f5f); }

.card-info {
  background: var(--color-blanco);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-info .card-header {
  background-color: var(--color-secundario);
  color: var(--color-blanco);
  font-weight: bold;
  padding: 0.75rem 1rem;
}

.card-info .list-group-item {
  padding: 0.75rem 1rem;
  border: none;
}

/* ===================================
   TABLAS
=================================== */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.table thead {
  background-color: var(--color-primario);
  color: var(--color-blanco);
}

.table-custom {
  background-color: var(--color-blanco);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.status-active,
.status-inactive {
  color: white;
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
  font-size: 0.8rem;
}

.status-active {
  background-color: var(--color-active);
}

.status-inactive {
  background-color: var(--color-inactive);
}

/* ===================================
   BADGES
=================================== */
.badge {
  padding: 0.35rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-success {
  background-color: var(--color-success);
  color: #fff;
}

.badge-danger {
  background-color: var(--color-danger);
  color: #fff;
}

/* ===================================
   ANIMACIONES Y EFECTOS
=================================== */
.fade-in {
  animation: fadeIn 0.8s ease-in-out forwards;
}

.animate-fade {
  opacity: 0;
  animation: fadeInUp 1s ease forwards;
}

.animate-pop {
  animation: popIn 0.5s ease-out forwards;
}

.shadow-card {
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.shadow-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* ===================================
   SISTEMA DE ASISTENCIA
=================================== */
.highlight-today {
  animation: resaltarFila 1s ease-in-out 2;
  background-color: #e6fff3 !important;
  border: 2px solid #198754 !important;
}

/* ===================================
   ANIMACIONES KEYFRAMES
=================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
  0% { transform: scale(0.9); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes resaltarFila {
  0% { background-color: #e9f5ff; }
  50% { background-color: #cfe2ff; }
  100% { background-color: #e9f5ff; }
}

/* ===================================
   BAR MOBILE DEFAULT
=================================== */

#mobileMenu {
  width: 100vw;
  margin: 0;
  padding: 0;
  max-width: 100vw;
  box-sizing: border-box;
  position: relative;
  z-index: 1040;
}

.custom-navbar-mobile {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  z-index: 1050;
  margin: 0;
  padding: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ===================================
   DIVISOR
=================================== */

.dropdown-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}


/* ===================================
   MEDIA QUERIES
=================================== */
@media (max-width: 768px) {
  .hero-section {
    height: 450px;
    padding-top: 80px;
  }

  .hero-overlay-text h1 {
    font-size: 2rem;
  }

  .navbar-glass {
    background-color: rgba(33, 33, 33, 0.85) !important; /* Aumenta opacidad sin perder transparencia */
  }

  .navbar-brand {
    color: #fff !important;
  }

  .navbar-nav .nav-link {
    color: #f1f1f1 !important;
  }

  .navbar-nav .nav-link:hover,
  .navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff !important;
  }
}

@media (max-width: 991.98px) {
    #mobileMenu {
      position: fixed;
      top: 56px; /* Altura exacta de la navbar en Bootstrap */
      left: 0;
      width: 100vw;
      background-color: #292921;
      z-index: 1040;
    }

  #mobileMenu .nav-link:hover {
    background-color: rgba(251, 192, 45, 0.2);
    color: #fff;
    border-left: 4px solid var(--color-amarillo);
    padding-left: 1.25rem;
  }

  #mobileMenu .nav-link i {
    transition: color 0.2s ease;
  }

  #mobileMenu .nav-link:hover i {
    color: #fbc02d;
  }

  body {
    padding-top: 56px; /* Evita que el contenido se esconda debajo de la navbar fija */
  }

  .collapse:not(.show) {
    display: none !important;
  }

  .sidebar {
    display: none !important;
  }

  .sidebar.show {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--color-blanco);
    z-index: 1050;
    box-shadow: var(--shadow-lg);
    padding: 2rem 1.5rem;
    overflow-y: auto;
    transition: transform 0.3s ease-in-out;
  }

  .main-content {
    margin-left: 0 !important;
  }
}

@media (min-width: 992px) {
  .offcanvas-lg {
    position: fixed !important;
    transform: none !important;
    visibility: visible !important;
    border-right: 1px solid var(--color-border);
    width: 240px;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: 1030;
  }
}