.loader-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.loader-content {
    background: white;
    padding: 40px 60px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.loader-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0D54FF;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    font-size: 18px;
    color: #333;
    font-weight: 500;
}

.package-selection {
    margin-top: 30px;
    display: none;
    margin-bottom: 30px;
}

.package-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.package-card {
    border: 2px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.package-card:hover {
    border-color: #0D54FF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 84, 255, 0.2);
}

.package-card.selected {
    border-color: #0D54FF;
    background: #f0f5ff;
}

.package-amount {
    font-size: 32px;
    font-weight: 700;
    color: #0D54FF;
    margin-bottom: 10px;
}

.package-description {
    font-size: 14px;
    color: #666;
}

.card-form-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
}

.card-form-container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    margin: 20px;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.card-form-title {
    font-size: 28px;
    color: #0D54FF;
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

.payment-info {
    background: #f0f5ff;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.info-row:last-child {
    margin-bottom: 0;
}

.info-label {
    color: #666;
    font-weight: 500;
}

.info-value {
    color: #0D54FF;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #0D54FF;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.btn-submit-card {
    width: 100%;
    padding: 14px;
    background: #0D54FF;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 10px;
}

.btn-submit-card:hover {
    background: #0a42cc;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
    border: 1px solid #fcc;
}

.success-message {
    background: #efe;
    color: #3c3;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
    border: 1px solid #cfc;
}