/* modern-styles.css - Improved design for Proyecto Forja-T */

:root {
  /* Modern, vibrant color palette */
  --primary: #3a86ff;
  --primary-light: #61a0ff;
  --primary-dark: #2970e0;
  --secondary: #4cc9f0;
  --accent-yellow: #ffbe0b;
  --accent-pink: #ff006e;
  --accent-purple: #8338ec;
  --success: #38b000;
  --warning: #ffaa00;
  --danger: #e5383b;
  --light: #f8f9fa;
  --dark: #212529;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  /* Typography */
  --font-heading: "Bebas Neue", sans-serif;
  --font-body: "Poppins", "Montserrat", sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html, body {
  height: 100%;
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-100);
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: 1px;
}

h2 {
  font-size: 2.8rem;
}

h3 {
  font-size: 2.2rem;
}

h4 {
  font-size: 1.8rem;
}

p {
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Layout */
.container1 {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

.containerprincipal {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

/* Navbar */
.navbar {
  padding: 0.5rem 1rem;
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 2.2rem !important;
  color: var(--primary-dark) !important;
  letter-spacing: 1px;
}

.container-fluid {
  background: linear-gradient(120deg, var(--primary-light) 0%, var(--secondary) 100%) !important;
}

.nav-link {
  font-weight: 500 !important;
  font-size: 1.1rem !important;
  color: var(--gray-800) !important;
  transition: all var(--transition-fast);
  padding: 0.5rem 1rem !important;
  margin-left: 0.5rem !important;
  border-radius: var(--border-radius-md);
}

/* Estilo para el botón de cerrar sesión - igual al de iniciar sesión */
/* .nav-item:last-child .nav-link {
  background-color: #1F48FF !important;
  color: white !important;
  padding: 10px 20px !important;
  text-decoration: none !important;
  border-radius: 5px !important;
  font-size: 16px !important;
  margin-left: 0.5rem !important;
  transition: all var(--transition-fast) !important;
} */

/* .nav-item:last-child .nav-link:hover {
  background-color: #0035e0 !important;
  color: white !important;
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast) !important;
} */

.nav-link:hover {
  color: var(--primary-dark) !important;
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.nav-item1 .nav-link {
  color: white !important;
  background-color: var(--primary-dark);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  font-weight: 600 !important;
  padding: 0.5rem 1.2rem !important;
}

.nav-item1 .nav-link:hover {
  background-color: white;
  color: var(--primary-dark) !important;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.nav-item2 .nav-link {
  color: rgb(16, 81, 232) !important;
  
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  font-weight: 600 !important;
  padding: 0.5rem 1.2rem !important;
}

.nav-item2 .nav-link:hover {
  background-color: rgb(173, 204, 248);
  color: var(--primary-dark) !important;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}


/* Efecto de Brillo (Glow) */
.card-pagos {
  transition: box-shadow 0.3s ease; /* Transición suave para el efecto */
}

.card-pagos:hover {
  box-shadow: 0 0 20px #1F48FF; /* Sombra con brillo azul */
}

/* Efecto de Aumento de Tamaño (Scale) */
.card-pagos {
  animation: scaleEffect 2s infinite alternate; /* Animación de aumento y disminución */
}

@keyframes scaleEffect {
  0% {
      transform: scale(1); /* Tamaño normal */
  }
  100% {
      transform: scale(1.05); /* Aumento del 5% */
  }
}

/* Efecto de Pulsación (Pulse) */
.card-pagos {
  animation: pulseEffect 2s infinite alternate; /* Animación de pulsación */
}

@keyframes pulseEffect {
  0% {
      transform: scale(1);
      opacity: 1;
  }
  100% {
      transform: scale(1.05);
      opacity: 0.8;
  }
}

/* Efecto de cambio de color */
.card-pagos {
  animation: colorChange 3s infinite alternate; /* Animación de cambio de color */
}

@keyframes colorChange {
  0% {
      background-color: white; /* Color inicial */
  }
  75% {
      background-color: #a1e6ff; /* Color final */
  }
  100% {
    background-color: #ffffff; /* Color final */
}
}





/* Footer */
footer {
  background-color: var(--gray-100);
  padding-top: var(--spacing-lg);
  margin-top: auto;
}

footer h6 {
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--primary-dark);
}

footer p {
  color: var(--gray-700);
  font-size: 0.95rem;
}

footer .btn-primary {
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0.25rem;
  transition: transform var(--transition-fast);
}

footer .btn-primary:hover {
  transform: translateY(-3px);
}

/* Login Page */
.card1 {
  display: flex;
  width: 60%;
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin: 8% auto;
  max-height: 40vh;
  transition: transform var(--transition-normal);
}

.card1:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.left-column {
  width: 40%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--primary-light);
  overflow: hidden;
  position: relative;
}

.left-column::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(58, 134, 255, 0.2) 0%, rgba(76, 201, 240, 0.3) 100%);
}

.left-column video {
  width: auto;
  height: 100%;
  object-fit: cover;
}

.right-column {
  width: 60%;
  padding: var(--spacing-xl);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background: linear-gradient(to bottom right, white, var(--gray-100));
}

.right-column h2 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--primary-dark);
}

.right-column p {
  color: var(--gray-700);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.btn-gmail {
  background-color: white;
  box-shadow: var(--shadow-md);
  color: var(--gray-800);
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.btn-gmail:hover {
  background-color: var(--gray-100);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.btn-gmail img {
  vertical-align: middle;
  margin-right: var(--spacing-sm);
}

/* Home Page */
.bienvenidatexto {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  text-align: center;
}

/* Student Dashboard */
.nombre {
  margin: var(--spacing-lg);
  color: var(--primary-dark);
}

.nombre h3 {
  font-size: 2.2rem;
  margin-bottom: var(--spacing-xs);
}

.nombre h4 {
  font-size: 1.8rem;
  color: var(--gray-700);
}

.custom-margin {
  margin-top: 5vh;
  margin-bottom: 8vh;
}

.card-image {
  height: 40px;
  width: 40px;
  object-fit: cover;
  margin-right: var(--spacing-sm);
  transition: transform var(--transition-normal);
}

.btn:hover .card-image {
  transform: scale(1.1);
}

.bienvenidatexto h1 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
  font-size: 3rem;
}

.bienvenidatexto p {
  font-size: 1.1rem;
  color: var(--gray-700);
  line-height: 1.7;
}


.carousel-container {
  max-width: 70%;
  margin: var(--spacing-xl) auto;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.bienvenidaimagentexto {
  max-width: 100%;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: linear-gradient(120deg, var(--primary-light) 0%, var(--secondary) 100%);
  margin: var(--spacing-xl) auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  box-shadow: var(--shadow-md);
}

.bienvenidaimagentexto h3 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.bienvenidaimagentexto p {
  color: white;
  font-size: 1.05rem;
  line-height: 1.6;
}

.bienvenidaimagentexto img {
  max-width: 80%;
  height: auto;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.bienvenidaimagentexto img:hover {
  transform: scale(1.05);
}

/* Exam Page */
.pregunta {
  margin-bottom: var(--spacing-lg);
}

.card-text {
  margin-bottom: 4px !important;
}

.btn {
  padding: 0.8rem 1.5rem;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary-light) 0%, var(--secondary) 100%);
  color: white;
  border: none;
}

.btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(120deg, #7ab5ff 0%, #6ad4f7 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn.disabled {
  background-color: var(--gray-400);
  cursor: not-allowed;
}

.card {
  background-color: white;
  border: none;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 800px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card.text-center {
  padding: 8px;
  height: 190px;
  display: flex;
  flex-direction: column;
}

.card.text-center .card-body {
  padding: 8px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

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

.respuestas div {
  margin-bottom: var(--spacing-md);
}

.radio-label {
  display: inline-block;
  background-color: var(--gray-100);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  width: 100%;
  font-weight: 500;
}

.radio-input {
  display: none;
}

.radio-label:hover {
  background-color: var(--gray-200);
  border-color: var(--primary-light);
  transform: translateX(5px);
}

.radio-input:checked + .radio-label {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

.btn-navegacion {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  margin: 0.25rem;
  background-color: var(--primary);
  color: white;
  border: 2px solid white;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-navegacion:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.navegacion {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--spacing-lg);
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 260px;
  background: linear-gradient(to bottom, var(--primary), var(--primary-dark));
  color: white;
  padding: var(--spacing-lg);
  overflow-y: auto;
  transition: transform var(--transition-normal);
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.sidebar h3 {
  color: white;
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
  text-align: center;
}

.sidebar-tips {
  margin: 0;
  margin-top: var(--spacing-xxl);
  padding: 0;
  font-size: 0.9rem;
  list-style-type: none;
}

.sidebar-tips li {
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
}

.sidebar-tips li:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateX(5px);
}

.sidebar-toggle {
  position: fixed;
  top: 50%;
  left: 0;
  width: 30px;
  height: 60px;
  background-color: var(--primary-dark);
  color: white;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  transform: translateY(-50%);
  outline: none;
  padding: 0;
}

.sidebar-toggle:hover {
  background-color: var(--primary);
}

.sidebar-toggle span {
  display: inline-block;
  transition: transform var(--transition-normal);
}

/* Cuando la barra lateral está visible, mover el botón */
.sidebar:not(.collapsed) ~ .sidebar-toggle {
  left: 250px;
}

/* Rotar el ícono cuando la barra lateral está colapsada */
.sidebar.collapsed ~ .sidebar-toggle span {
  transform: rotate(180deg);
}

main {
  margin-left: 250px;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

#countdown {
  font-size: 2rem !important;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: white;
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  display: block !important;
  visibility: visible !important;
}

.modal {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: white;
  margin: 15% auto;
  padding: var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius-lg);
  width: 80%;
  max-width: 600px;
  box-shadow: var(--shadow-xl);
  animation: modalFadeIn 0.5s;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close {
  color: var(--gray-600);
  float: right;
  font-size: 2rem;
  font-weight: bold;
  transition: color var(--transition-fast);
}

.close:hover {
  color: var(--gray-900);
  text-decoration: none;
  cursor: pointer;
}

.imagen-ajustable {
  width: 100%;
  max-width: 500px;
  height: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
  cursor: pointer;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
}

.imagen-ajustable:hover {
  transform: scale(1.02);
}

.imagen-ajustable.expandida {
  transform: scale(1.8);
  z-index: 1500;
  position: relative;
  box-shadow: var(--shadow-lg);
}

/* Responsive styles */
@media (max-width: 1200px) {
  .card1 {
    width: 80%;
  }
  
  .carousel-container {
    max-width: 80%;
  }
  
  .bienvenidatexto {
    max-width: 90%;
  }
}

@media (max-width: 992px) {
  html {
    font-size: 15px;
  }
  
  .card1 {
    width: 90%;
    flex-direction: column;
    max-height: none;
  }
  
  .left-column {
    width: 100%;
    height: 200px;
  }
  
  .right-column {
    width: 100%;
  }
  
  .bienvenidaimagentexto {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .image-column {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
  }
  
  .sidebar {
    transform: translateX(-100%);
  }
  
  .menu-btn {
    margin-left: 0;
  }
  
  main {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .card1 {
    width: 95%;
  }
  
  .carousel-container {
    max-width: 95%;
  }
  
  .bienvenidatexto h1 {
    font-size: 2.5rem;
  }
  
  .card {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .left-column {
    height: 150px;
  }
  
  .right-column {
    padding: var(--spacing-lg);
  }
  
  .right-column h2 {
    font-size: 1.5rem;
  }
  
  .bienvenidatexto h1 {
    font-size: 2rem;
  }
  
  .bienvenidaimagentexto {
    padding: var(--spacing-lg);
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .radio-label {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .btn-navegacion {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }
  
  /* Eliminamos las reglas específicas para la barra lateral en pantallas pequeñas
     para que se comporte igual que en pantallas grandes */
  
  .menu-btn {
    top: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    margin-left: 0;
    margin-bottom: 0;
    width: 50px;
    height: 40px;
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  }
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}