body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
    background: #f5f6f7;
    margin: 0;
    padding: 20px;
    color: #111;
}

.card {
    max-width: 480px;
    margin: 0 auto;
    background: #fff;
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #e5e7eb;
}

h3 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 18px;
    font-weight: 600;
    color: #111;
}

.input {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border-radius: 12px;
    border: 1px solid #d1d5db;
    background: #fafafa;
    margin-bottom: 12px;
    outline: none;
    transition: 0.2s;
}

.input:focus {
    border-color: #2563eb;
    background: #fff;
}

.btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border-radius: 12px;
    border: none;
    background: #2563eb;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.btn:hover {
    background: #1d4ed8;
}

.avatar {
    width: 110px;
    height: 110px;
    border-radius: 14px;
    object-fit: cover;
    margin-bottom: 12px;
    border: 1px solid #e5e7eb;
}

.info-row {
    display: flex;
    align-items: center;
    margin: 12px 0;
    font-size: 16px;
    color: #333;
}

.value {
    font-weight: 600;
    color: #111;
}

.pack-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fafafa;
    border: 1px solid #e5e7eb;
    padding: 14px;
    border-radius: 12px;
    margin-bottom: 12px;
    transition: 0.2s;
}

.pack-item:hover {
    background: #fff;
    border-color: #d1d5db;
}

.pack-price {
    font-size: 16px;
    font-weight: 600;
    color: #2563eb;
}