/* Estilos modernos con animaciones y efectos 3D */
:root {
  --primary-color: #4e54c8;
  --secondary-color: #8f94fb;
  --accent-color: #ff6b6b;
  --text-color: #333;
  --light-bg: #f8f9fa;
  --dark-bg: #343a40;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --card-radius: 15px;
  --transition-speed: 0.3s;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  color: var(--text-color);
}

/* Fondo animado */
.bg-animation {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1; /* Asegurarse de que esté por debajo de todo */
  overflow: hidden;
}

.bg-animation li {
  position: absolute;
  display: block;
  list-style: none;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.2);
  animation: animate 25s linear infinite;
  bottom: -150px;
  border-radius: 50%;
}

.bg-animation li:nth-child(1) {
  left: 25%;
  width: 80px;
  height: 80px;
  animation-delay: 0s;
}

.bg-animation li:nth-child(2) {
  left: 10%;
  width: 20px;
  height: 20px;
  animation-delay: 2s;
  animation-duration: 12s;
}

.bg-animation li:nth-child(3) {
  left: 70%;
  width: 20px;
  height: 20px;
  animation-delay: 4s;
}

.bg-animation li:nth-child(4) {
  left: 40%;
  width: 60px;
  height: 60px;
  animation-delay: 0s;
  animation-duration: 18s;
}

.bg-animation li:nth-child(5) {
  left: 65%;
  width: 20px;
  height: 20px;
  animation-delay: 0s;
}

.bg-animation li:nth-child(6) {
  left: 75%;
  width: 110px;
  height: 110px;
  animation-delay: 3s;
}

.bg-animation li:nth-child(7) {
  left: 35%;
  width: 150px;
  height: 150px;
  animation-delay: 7s;
}

.bg-animation li:nth-child(8) {
  left: 50%;
  width: 25px;
  height: 25px;
  animation-delay: 15s;
  animation-duration: 45s;
}

.bg-animation li:nth-child(9) {
  left: 20%;
  width: 15px;
  height: 15px;
  animation-delay: 2s;
  animation-duration: 35s;
}

.bg-animation li:nth-child(10) {
  left: 85%;
  width: 150px;
  height: 150px;
  animation-delay: 0s;
  animation-duration: 11s;
}

@keyframes animate {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
    border-radius: 0;
  }
  100% {
    transform: translateY(-1000px) rotate(720deg);
    opacity: 0;
    border-radius: 50%;
  }
}

.container {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  z-index: 1;
  position: relative;
}

.app-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--primary-color);
  text-shadow: 2px 2px 4px var(--shadow-color);
  animation: fadeIn 1s ease-in-out;
}

/* Botones 3D */
.action-button {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 15px 30px;
  margin: 15px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 10px 20px rgba(78, 84, 200, 0.3);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
  transform: perspective(1000px);
}

.action-button:hover {
  transform: perspective(1000px) translateY(-5px) rotateX(10deg);
  box-shadow: 0 15px 25px rgba(78, 84, 200, 0.4);
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.action-button:active {
  transform: perspective(1000px) translateY(2px);
  box-shadow: 0 5px 10px rgba(78, 84, 200, 0.2);
}

.action-button i {
  margin-right: 10px;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.action-button:hover i {
  transform: translateZ(20px);
}

.button-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin: 2rem 0;
}

/* Tarjetas 3D */
.card-3d {
  background: white;
  border-radius: var(--card-radius);
  padding: 2rem;
  margin: 1rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-speed) ease;
  transform-style: preserve-3d;
  transform: perspective(1000px);
}

.card-3d:hover {
  transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* Modal moderno - Corrección de z-index */
.modal {
  z-index: 1050 !important; /* Valor alto para el modal */
}

.modal-backdrop {
  z-index: 0 !important; /* Backdrop por debajo de todo */
}

.modal-content {
  border: none;
  border-radius: var(--card-radius);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  z-index: 1051 !important; /* Modal content por encima del modal */
  pointer-events: auto !important;
  position: relative;
  /* Eliminar transformaciones 3D que puedan causar problemas */
  transform: none !important;
  animation: none !important;
}

.modal-dialog {
  pointer-events: auto !important;
  z-index: 1051 !important; /* Modal dialog por encima del modal */
}

.modal-header {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-bottom: none;
  padding: 1.5rem;
  border-radius: var(--card-radius) var(--card-radius) 0 0;
}

.modal-body {
  padding: 2rem;
}

.modal-footer {
  border-top: none;
  padding: 1.5rem;
  background: var(--light-bg);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}

.btn-close {
  color: white;
  opacity: 0.8;
  transition: opacity 0.3s ease;
  background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat !important;
}

.btn-close:hover {
  opacity: 1;
}

/* Checkbox personalizado con animación */
.checkbox-container {
  margin: 1.5rem 0;
  padding: 1rem;
  border-radius: 10px;
  background: var(--light-bg);
  transition: all var(--transition-speed) ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
}

.checkbox-container:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.form-check-input {
  width: 1.5em;
  height: 1.5em;
  margin-right: 1rem;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  animation: checkmark 0.3s ease-in-out;
}

.form-check-label {
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
}

@keyframes checkmark {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

/* Botones modernos */
.btn {
  border-radius: 50px;
  padding: 0.6rem 1.5rem;
  font-weight: 600;
  transition: all var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 5px 15px rgba(78, 84, 200, 0.3);
}

.btn-primary:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  box-shadow: 0 8px 20px rgba(78, 84, 200, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: #6c757d;
  border-color: #6c757d;
  box-shadow: 0 5px 15px rgba(108, 117, 125, 0.3);
}

.btn-secondary:hover {
  background: #5a6268;
  border-color: #5a6268;
  box-shadow: 0 8px 20px rgba(108, 117, 125, 0.4);
  transform: translateY(-2px);
}

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: perspective(1000px) rotateX(-10deg) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: perspective(1000px) rotateX(0) translateY(0);
  }
}

/* Efectos de carga */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(78, 84, 200, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
  margin: 0 auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .button-container {
    flex-direction: column;
    align-items: center;
  }
  
  .action-button {
    width: 100%;
    max-width: 300px;
  }
  
  .app-title {
    font-size: 2rem;
  }
}

/* Toastr personalizado */
.toast-success {
  background-color: var(--success-color) !important;
}

.toast-error {
  background-color: var(--danger-color) !important;
}

.toast-warning {
  background-color: var(--warning-color) !important;
}

/* Efectos de hover para elementos interactivos */
.hover-effect {
  transition: all var(--transition-speed) ease;
}

.hover-effect:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Efecto de onda al hacer clic */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple:after {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform 0.5s, opacity 1s;
}

.ripple:active:after {
  transform: scale(0, 0);
  opacity: 0.3;
  transition: 0s;
}