/* solicitud.css */

/* Variables de color y transición */
:root {
  --bg-start: #ff9a00;
  --bg-mid:   #ff5d00;
  --bg-end:   #0f2f65;
  --white:    #ffffff;
  --gray-light:   #f8f9fa;
  --gray-medium:  #e9ecef;
  --gray-dark:    #6c757d;
  --accent-gold:  #ffd700;
  --success:      #28a745;
  --danger:       #dc3545;
  --radius: 12px;
  --transition: all 0.3s ease;
  --shadow-sm:  0 2px 6px rgba(0,0,0,0.1);
  --shadow-md:  0 8px 20px rgba(0,0,0,0.2);
}

/* Fondo degradado + overlay de partículas */
body {
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
  margin: 0;
  position: relative;
  overflow-x: hidden;
}

.floating-shapes .shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.1);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0) rotate(0); }
  50%     { transform: translateY(-20px) rotate(180deg); }
}
.shape:nth-child(1){ width:80px;  height:80px;  top:20%; left:10%; animation-delay:0s; }
.shape:nth-child(2){ width:120px; height:120px; top:60%; right:10%; animation-delay:2s; }
.shape:nth-child(3){ width:60px;  height:60px;  bottom:20%; left:20%; animation-delay:4s; }

/* Tarjeta centrada */
.main-container {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.registration-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.registration-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md), 0 12px 25px rgba(0,0,0,0.25);
}

/* Header personalizado */
.card-header-custom {
  background: linear-gradient(135deg, var(--bg-end) 0%, var(--bg-start) 100%);
  color: var(--white);
  padding: 2rem;
  text-align: center;
  position: relative;
}
.header-icon {
  background: var(--accent-gold);
  color: var(--bg-end);
  width: 60px; height: 60px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px rgba(255,215,0,0.3);
}
.card-header-custom::before {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,215,0,0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 0.1; }
  50%     { transform: scale(1.1); opacity: 0.2; }
}

/* Formularios floating */
.form-floating {
  position: relative;
  margin-bottom: 1.5rem;
}
.form-control {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--gray-medium);
  border-radius: var(--radius);
  background: var(--gray-light);
  transition: var(--transition);
}
.form-control:focus {
  border-color: var(--bg-start);
  box-shadow: 0 0 0 3px rgba(255,154,0,0.1);
  background: var(--white);
  transform: translateY(-2px);
}
.form-floating > label {
  color: var(--gray-dark);
  transition: var(--transition);
}
.form-control:focus ~ label,
.form-control:not(:placeholder-shown) ~ label {
  color: var(--bg-start);
}

/* Iconos en input */
.input-icon {
  position: absolute; right: 15px; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-dark);
  transition: var(--transition);
}
.form-floating:focus-within .input-icon {
  color: var(--bg-start);
}

/* Botón principal */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 100%);
  color: var(--white);
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  border: none;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,154,0,0.4);
  background: linear-gradient(135deg, var(--bg-mid) 0%, var(--bg-start) 100%);
}
.btn-primary-custom:active { transform: translateY(0); }
.btn-primary-custom::before {
  content: '';
  position: absolute; top:0; left:-100%;
  width:100%; height:100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left .5s;
}
.btn-primary-custom:hover::before {
  left:100%;
}

/* Alertas */
.alert-success-custom,
.alert-danger-custom {
  border: none;
  border-radius: var(--radius);
  color: var(--white);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.alert-success-custom {
  background: linear-gradient(135deg, var(--success), #34ce57);
}
.alert-danger-custom {
  background: linear-gradient(135deg, var(--danger), #e74c3c);
}

/* Footer link */
.card-footer-custom {
  background: var(--gray-light);
  padding: 1.5rem;
  text-align: center;
}
.back-link {
  color: var(--bg-end);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.back-link:hover {
  color: var(--bg-start);
  transform: translateX(-3px);
}

/* Responsive */
@media (max-width: 768px) {
  .card-header-custom { padding: 1.5rem; }
  .registration-card { margin: 1rem 0; }
}

/* Mejora de los campos de texto */
.form-control {
  background: var(--white) !important;
  border: 1px solid var(--gray-medium) !important;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.1) !important;
  transition: border-color 0.2s, box-shadow 0.2s !important;
}

.form-control:hover {
  border-color: var(--bg-start) !important;
}

.form-control:focus {
  border-color: var(--bg-start) !important;
  box-shadow: 0 0 0 3px rgba(255,154,0,0.2) !important;
  background: var(--white) !important;
}

/* Botón “Volver” */
.btn-back {
  background: var(--gray-medium);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  transition: transform 0.2s, background 0.2s;
}

.btn-back:hover {
  background: var(--gray-dark);
  transform: translateY(-2px);
}