* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #f4f5f7;
    color: #171d25;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 16px;
    min-height: 100vh;
}

.header {
    max-width: 400px;
    width: 100%;
    margin-bottom: 16px;
    text-align: center;
}

.header h1 {
    font-size: 20px;
    font-weight: 700;
    color: #111;
    margin-bottom: 6px;
}

/* Form Input Kode Paket Manual */
.manual-input-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 16px;
    width: 100%;
    max-width: 400px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.manual-input-card label {
    font-size: 13px;
    font-weight: 600;
    color: #4a5568;
}

.input-group {
    display: flex;
    gap: 8px;
}

.input-code {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.input-code:focus {
    border-color: #ff0055;
}

.btn-direct {
    background-color: #171d25;
    color: #ffffff;
    border: none;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.btn-direct:hover {
    background-color: #000000;
}

.btn-custom {
    background-color: #ff0055;
}

.btn-custom:hover {
    background-color: #e0004c;
}

.input-hint {
    font-size: 11px;
    color: #718096;
    line-height: 1.4;
}

.input-hint code {
    background: #f1f3f5;
    padding: 1px 4px;
    border-radius: 4px;
    font-size: 11px;
}

.package-container {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.content-section {
    width: 100%;
    max-width: 400px;
    margin-bottom: 20px;
}

.section-title {
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 700;
    color: #171d25;
}

/* Card Component matched with screenshot reference */
.card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
}

.card-header {
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 22px;
    font-weight: 800;
    color: #000000;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.card-title .duration {
    font-size: 16px;
    font-weight: 600;
    color: #222;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 16px;
}

.feature-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    font-size: 14px;
}

.feature-left {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4a5568;
    font-weight: 500;
    max-width: 60%;
}

.feature-icon {
    width: 18px;
    height: 18px;
    color: #4a5568;
    flex-shrink: 0;
}

.feature-right {
    font-weight: 700;
    color: #1a202c;
    text-align: right;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
}

.price {
    font-size: 20px;
    font-weight: 800;
    color: #000000;
}

.btn-buy {
    background-color: #ff0055;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: 10px;
    display: inline-block;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-buy:active {
    transform: scale(0.98);
    background-color: #e0004c;
}

.loading, .error {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 14px;
}