* {
    box-sizing: border-box;
}

:root {
    --background: #171c2c;
    --panel: #252d43;
    --gold: #ffd45c;
    --gold-light: #fff4d6;
    --muted: #b6c1d8;
    --brown: #754c2c;
    --green: #73d66b;
}

body {
    background-color: var(--background);
    color: var(--gold-light);
    text-align: center;
    font-family: "Courier New", Courier, monospace;
    margin: 0;
    padding: 30px 16px;
}

.game {
    max-width: 1000px;
    margin: 0 auto;
}

header {
    max-width: 720px;
    margin: 0 auto 28px;
}

.eyebrow {
    color: var(--gold);
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 3px;
}

h1 {
    color: var(--gold-light);
    font-size: clamp(32px, 6vw, 48px);
    text-shadow: 4px 4px var(--brown);
    margin: 8px 0 14px;
}

h2 {
    color: var(--gold-light);
}

p {
    font-size: 16px;
    line-height: 1.5;
    color: var(--muted);
}

.intro {
    max-width: 620px;
    margin: 0 auto;
}

.gold-panel {
    background-color: #20283b;
    border: 3px solid var(--gold);
    box-shadow: 5px 5px #0d1120;
    padding: 22px 16px;
    margin: 24px auto 34px;
    max-width: 560px;
}

.gold-panel h2 {
    font-size: 30px;
    margin-top: 0;
}

button {
    background-color: var(--gold);
    color: var(--background);
    font-family: "Courier New", Courier, monospace;
    font-size: 16px;
    font-weight: bold;
    padding: 13px 18px;
    border: 3px solid var(--brown);
    cursor: pointer;
    margin: 8px 4px;
    max-width: 100%;
    transition: background-color 0.15s ease,
                transform 0.15s ease;
}

button:hover {
    background-color: #ffe89a;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

button:focus-visible {
    outline: 3px solid white;
    outline-offset: 3px;
}

button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.section-title {
    color: var(--gold);
    margin: 32px 0 18px;
}

.shop-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
}

.shop,
.house-card {
    background-color: var(--panel);
    border: 3px solid var(--gold);
    padding: 20px;
    box-shadow: 5px 5px #0d1120;
}

.shop h3,
.house-card h3 {
    color: var(--green);
    margin-top: 0;
    font-size: 22px;
}

.shop p,
.house-card p {
    color: var(--gold-light);
}

.shop button,
.house-card button {
    margin: 10px 4px;
}

.hint {
    font-size: 13px !important;
    color: var(--muted) !important;
}

.houses-section {
    margin-top: 34px;
}

.house-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.house-card {
    border-color: #9ca9c7;
    border-radius: 4px;
}

.house-icon {
    font-size: 40px !important;
    margin: 0 0 12px;
}

.empty-state {
    background-color: #20283b;
    padding: 18px;
    border: 1px dashed #65718c;
}

.empty-state[hidden] {
    display: none;
}

footer {
    margin-top: 42px;
    font-size: 12px;
}

footer p {
    font-size: 12px;
}

strong {
    color: var(--gold);
}

@media (max-width: 680px) {
    body {
        padding: 20px 12px;
    }

    .shop-grid {
        grid-template-columns: 1fr;
    }

    .shop,
    .house-card {
        padding: 16px;
    }

    button {
        font-size: 14px;
        padding: 12px 14px;
    }
}