/* Variables de colores */
:root {
  --primary: #101010;
  --secondary: #121212;
  --light: #f9f9f9;
  --gray-light: #f3f3f3;
  --gray: #c4c4c4;
  --danger: #dc3545;
  --success: #28a745;
  --shadow: rgba(0, 0, 0, 0.12);
}

/* Estilos generales */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background-color: var(--gray-light);
  background-image: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Estilos específicos para el registro */
.register-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-grow: 1;
  padding: 20px;
}

.register-card {
  width: 100%;
  max-width: 500px;
  background-color: var(--light);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.register-header {
  background-color: var(--primary);
  color: var(--light);
  padding: 30px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.register-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
}

.register-logo {
  width: 120px;
  height: auto;
  margin-bottom: 15px;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.2));
}

.register-header h1 {
  margin: 0;
  font-weight: 700;
  color: var(--light);
  font-size: 1.8rem;
  letter-spacing: 0.5px;
}

.register-form {
  padding: 30px;
}

.register-form h2 {
  margin-top: 0;
  margin-bottom: 20px;
  text-align: center;
  color: var(--secondary);
  font-weight: 600;
  font-size: 1.5rem;
}

.alert {
  padding: 12px 15px;
  margin-bottom: 20px;
  border-radius: 5px;
  font-size: 0.9rem;
}

.alert-danger {
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--danger);
  border-left: 4px solid var(--danger);
}

.alert-success {
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--success);
  border-left: 4px solid var(--success);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--secondary);
  font-size: 0.9rem;
}

.input-group {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  font-size: 1.2rem;
}

.form-control {
  width: 100%;
  padding: 12px 15px 12px 40px;
  border: 1px solid var(--gray);
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  font-family: "Poppins", sans-serif;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(209, 209, 209, 0.35);
  outline: none;
}

.form-text {
  color: #666;
  font-size: 0.8rem;
  margin-top: 5px;
}

.register-btn {
  width: 100%;
  padding: 12px;
  margin-top: 15px;
  font-size: 1rem;
  font-weight: 600;
  background-color: var(--primary);
  color: var(--secondary);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.register-btn:hover {
  background-color: #e0e0e0;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.18);
  transform: translateY(-2px);
}

.register-footer {
  margin-top: 25px;
  text-align: center;
  color: #666;
  font-size: 0.9rem;
}

.register-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.register-footer a:hover {
  color: #c1c1c1;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
  .register-card {
    max-width: 100%;
  }

  .register-header {
    padding: 20px 15px;
  }

  .register-logo {
    width: 100px;
  }

  .register-form {
    padding: 20px;
  }
}