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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    padding: 20px;
}

.pago-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(99, 91, 255, 0.15);
    transition: transform 0.3s ease;
}

.pago-container:hover {
    transform: translateY(-2px);
}

.pago-header {
    text-align: center;
    margin-bottom: 30px;
}

.pago-header .icono {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #635bff, #4a42e0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 28px;
    box-shadow: 0 8px 24px rgba(99, 91, 255, 0.35);
}

.pago-header h2 {
    color: #1a1a2e;
    font-size: 24px;
    font-weight: 700;
}

.pago-header p {
    color: #666;
    font-size: 14px;
    margin-top: 6px;
}

#payment-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#card-element {
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: #fafafa;
}

#card-element:hover {
    border-color: #635bff;
    background: #fff;
}

#card-element.StripeElement--focus {
    border-color: #635bff;
    box-shadow: 0 0 0 4px rgba(99, 91, 255, 0.12);
    background: #fff;
}

#card-element.StripeElement--invalid {
    border-color: #ff4d4d;
}

#card-element.StripeElement--complete {
    border-color: #22c55e;
}

.monto-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #f8f9ff;
    border-radius: 12px;
    margin-top: 4px;
}

.monto-info .label {
    color: #666;
    font-size: 14px;
}

.monto-info .valor {
    color: #1a1a2e;
    font-size: 22px;
    font-weight: 700;
}

#pagar {
    background: linear-gradient(135deg, #635bff, #4a42e0);
    color: white;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
    box-shadow: 0 8px 24px rgba(99, 91, 255, 0.3);
    margin-top: 4px;
}

#pagar:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(99, 91, 255, 0.45);
}

#pagar:active {
    transform: translateY(0);
}

#pagar:disabled {
    background: #a0a0a0;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#mensaje {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    display: none;
}

#mensaje.error {
    display: block;
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

#mensaje.exito {
    display: block;
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

@media (max-width: 480px) {
    .pago-container {
        padding: 28px 20px;
    }

    .pago-header h2 {
        font-size: 20px;
    }
}