body {
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    min-height: 100vh;
    color: #fff;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.plan-card {
    cursor: pointer;
}

.plan-card.popular {
    border: 2px solid #ffc107;
    transform: scale(1.02);
}

.plan-card.popular:hover {
    transform: scale(1.04);
}

.plan-price {
    font-size: 2.2rem;
    font-weight: 700;
    color: #302b63;
    margin: 0.5rem 0;
}

.plan-features {
    text-align: left;
    padding: 0 1rem;
}

.plan-features li {
    padding: 0.35rem 0;
    color: #555;
    font-size: 0.95rem;
}

.plan-features li::before {
    color: #28a745;
    font-weight: bold;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: opacity 0.2s;
}

.btn-primary:hover {
    opacity: 0.9;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.btn-success {
    background: linear-gradient(135deg, #11998e, #38ef7d);
    border: none;
    border-radius: 8px;
    font-weight: 600;
}

.btn-success:hover {
    background: linear-gradient(135deg, #0f8a7f, #2fda6d);
}

.success-icon, .pending-icon, .error-icon {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.alert-info {
    background: #f0f4ff;
    border: 1px solid #d4e0ff;
    color: #333;
    text-align: left;
}

#payment-form .card {
    background: rgba(255, 255, 255, 0.97);
    color: #333;
}

#payment-form .card-title {
    color: #302b63;
}

.form-control {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 2px solid #e0e0e0;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.badge {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
}