body {
    margin: 0;
    background: #0d0c09;
    color: #d8c79a;
    font-family: Georgia, serif;
}

.container {
    max-width: 1100px;
    margin: 35px auto;
    padding: 20px;
}

header {
    text-align: center;
}

.museum-label {
    color: #8f805d;
    letter-spacing: 3px;
    font-size: 13px;
}

h1 {
    margin-bottom: 8px;
    font-size: 42px;
    letter-spacing: 7px;
}

.subtitle {
    color: #8f805d;
    line-height: 1.6;
}

.notice {
    margin: 30px 0;
    padding: 16px;

    border: 1px solid #5c4c2c;

    background: #17140e;

    text-align: center;
    line-height: 1.6;
}

.product-grid {
    display: grid;

    grid-template-columns:
        repeat(
            auto-fit,
            minmax(230px, 1fr)
        );

    gap: 20px;
}

.product-card {
    display: flex;
    flex-direction: column;

    padding: 22px;

    border: 1px solid #5c4c2c;

    background: #12100b;

    text-align: center;
}

.product-card h2 {
    color: #c8ba92;
}

.product-card p {
    flex-grow: 1;

    color: #8f805d;

    line-height: 1.6;
}

.artifact-icon {
    font-size: 52px;
}

.price {
    margin: 20px 0;

    color: #8fbf72;

    font-size: 22px;
    font-weight: bold;
}

.idol-card {
    border-color: #92783e;

    box-shadow:
        inset 0 0 30px
        rgba(146, 120, 62, 0.12);
}

.idol-price {
    color: #c49645;
}

.restricted {
    margin: 10px 0;

    color: #c49645;

    font-size: 11px;
    letter-spacing: 2px;
}

button {
    padding: 13px;

    border: none;

    background: #77602e;
    color: white;

    cursor: pointer;

    font-weight: bold;
    letter-spacing: 1px;
}

button:hover {
    background: #987d3e;
}

.receipt {
    max-width: 550px;

    margin: 35px auto 0;
    padding: 25px;

    border: 1px solid #5c4c2c;

    background: #ece2c3;
    color: #282218;

    font-family: monospace;
}

.receipt-title {
    margin-bottom: 20px;

    text-align: center;

    font-size: 20px;
    font-weight: bold;
}

.receipt-line {
    display: flex;
    justify-content: space-between;

    padding: 7px 0;

    border-bottom:
        1px dashed #88795d;
}

.receipt-message {
    margin-top: 20px;

    text-align: center;
    line-height: 1.5;
}

.flag {
    margin-top: 20px;
    padding: 15px;

    border: 2px dashed #52693f;

    color: #365329;

    text-align: center;

    font-weight: bold;

    overflow-wrap: anywhere;
}

footer {
    margin-top: 35px;

    text-align: center;

    color: #555043;

    font-size: 12px;
    letter-spacing: 2px;
}