:root {
    --primary-color: #0056a6;
    --farmanorte-blue: #003d82;
    --farmanorte-light-blue: #0056a6;
    --secondary-color: #28a745;
    --danger-color: #dc3545;
    --dark-color: #1a1a2e;
    --light-bg: #f8f9fa;
    --bs-green: #198754;
    --bs-teal: #20c997;
    --bs-cyan: #0dcaf0;
}

/* Mobile-first layout */
html, body { height: 100%; }
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(180deg, #e8f1f8 0%, #ffffff 100%);
    min-height: 100vh;
    padding-bottom: 0; /* sin espacio extra bajo el footer */
    margin: 0; /* eliminar margen por defecto del navegador */
}

/* Header Farmanorte */
.bg-farmanorte {
    background: linear-gradient(90deg, #003d82 0%, #0056a6 100%);
}

.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0.8rem 0;
}

.logo-farmanorte {
    height: 28px; /* Tamaño móvil */
    filter: brightness(0) invert(1);
}

.btn-cupon {
    background-color: #00ff88;
    color: #003d82;
    font-weight: bold;
    border: none;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-cupon:hover {
    background-color: #00dd77;
    transform: translateY(-2px);
}

/* Verification Card */
.verification-card {
    border: none;
    border-radius: 20px;
    overflow: hidden;
    animation: slideInUp 0.6s ease-out;
    margin-bottom: 20px; /* evita que el contenido se "pegue" al footer */
}

.user-avatar img {
    width: 150px;
    height: 150px;
    border: 5px solid #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.user-info {
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
    border-radius: 15px;
    padding: 25px;
    border: 2px solid #e6f2ff;
}

.info-item {
    font-size: 1rem;
    color: #555;
}

.info-item i {
    width: 25px;
}

.points-badge .badge {
    font-size: 1.1rem;
    padding: 10px 20px;
}

#verify-btn {
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #0056a6 0%, #003d82 100%);
    border: none;
    padding: 15px 50px;
    font-size: 1.1rem;
}

#verify-btn:hover {
    background: linear-gradient(135deg, #003d82 0%, #002654 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 86, 166, 0.4);
}

/* Loading */
#loading-section {
    min-height: 70vh; /* asegura empujar el footer al fondo mientras carga */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.loading-spinner {
    padding: 40px 20px;
    animation: fadeIn 0.5s ease-in;
    text-align: center;
    width: 100%; /* ocupar todo el ancho para centrar el título correctamente */
}

/* Tipografía del estado de carga */
#loading-section h4 {
    font-size: 1.75rem; /* más protagonista */
    font-weight: 700;
    margin-top: 1rem;
    margin-bottom: .5rem;
    letter-spacing: .2px;
    white-space: nowrap; /* mantener en una sola línea */
}

#loading-section p {
    margin: 0;
    color: #5c6b7a;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

/* Payment Card */
.payment-card {
    border: none;
    border-radius: 20px;
    overflow: hidden;
    animation: slideInUp 0.6s ease-out;
}

.payment-card .card-header {
    background: linear-gradient(135deg, #0056a6 0%, #003d82 100%);
}

.package-highlight {
    transition: all 0.3s ease;
    animation: pulseGlow 2s infinite;
    background: linear-gradient(135deg, #f0f8ff 0%, #e6f2ff 100%) !important;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 15px rgba(0, 86, 166, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 86, 166, 0.5);
    }
}

.benefits-box {
    border-left: 4px solid #0056a6;
}

.price-display {
    background: var(--bs-green);
    padding: 16px;
    border-radius: 12px;
    color: #fff;
    border: 2px solid #157347; /* darker green border */
    text-align: center;
}
.price-display h2 {
    color: #fff !important;
    font-weight: 800;
    letter-spacing: .3px;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,.25);
}

.form-control {
    border-radius: 10px;
    padding: 12px;
    border: 2px solid #dee2e6;
    /* Evitar sensación de "entrada desde la izquierda": solo transicionamos color/sombra */
    transition: border-color .15s ease, box-shadow .15s ease;
}

.form-control:focus {
    border-color: #0056a6;
    box-shadow: 0 0 0 0.2rem rgba(0, 86, 166, 0.25);
}

/* Estado de validación estilo Netflix (borde rojo al expirar) */
.form-control.is-invalid {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25) !important;
}

.form-control.is-valid {
    border-color: #198754 !important;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25) !important;
}

/* Feedback bajo el campo de vencimiento sin desplazar el layout */
.invalid-feedback {
    display: block;          /* Reservar espacio siempre */
    min-height: 18px;        /* Alto fijo para evitar saltos */
    margin-top: 4px;
    visibility: hidden;      /* Oculto por defecto pero ocupando espacio */
}

.invalid-feedback.show {
    visibility: visible;     /* Mostrar sin animación ni cambio de tamaño */
}

.payment-summary {
    border-left: 4px solid #0056a6;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%) !important;
}

/* Mejor espaciado en el resumen de pago */
.payment-summary-row {
    margin-bottom: 10px;
}
.payment-summary-row > span + span,
.payment-summary-row > strong + strong {
    margin-left: 8px;
}

/* Precio destacado */
#subtotal-display,
#total-display {
    color: #0a58ca; /* azul fuerte */
    font-weight: 800;
}

.btn-primary {
    background: linear-gradient(135deg, #0056a6 0%, #003d82 100%);
    border: none;
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #003d82 0%, #002654 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 56, 166, 0.4);
}

/* Footer */
.footer { /* Footer normal, no fijo */
    position: static;
    width: 100%;
    margin-bottom: 0;
}

.bg-farmanorte-dark {
    background: linear-gradient(90deg, #001f3f 0%, #003d82 100%);
}

.logo-footer {
    height: 26px;
    filter: brightness(0) invert(1);
}

.footer a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer a:hover {
    color: #00ff88 !important;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Alert customization */
.alert {
    border-radius: 15px;
    border: none;
    padding: 30px;
    /* Sin animación para evitar deslizamientos visuales */
    animation: none;
}

/* Responsive */
/* Mobile first: optimizamos la tarjeta para ocupar la pantalla */
@media (max-width: 768px) {
    .user-avatar img {
        width: 120px;
        height: 120px;
    }
    
    .verification-card {
        margin: 10px 10px 0 10px;
    }

    .payment-card {
        margin: 10px;
    }
    
    body {
        padding-bottom: 80px;
    }
    #loading-section h4 {
        font-size: 1.5rem; /* reduce en móvil para evitar salto de línea */
    }
}

/* Badge enhancements */
.badge {
    font-weight: 600;
}

/* Card enhancements */
.card {
    transition: all 0.3s ease;
}

/* Links */
a {
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    text-decoration: underline;
}

/* Success message */
.success-animation {
    text-align: center;
    padding: 50px;
}

.success-animation i {
    font-size: 5rem;
    color: var(--secondary-color);
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Color overrides */
.text-primary {
    color: #0056a6 !important;
}

.border-primary {
    border-color: #0056a6 !important;
}

.bg-primary {
    background-color: #0056a6 !important;
}