* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 24px 16px;
    background-color: #faf6ef;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: #222;
}

.container {
    max-width: 900px;
    background-color: #f5c994;
    border: 1px solid #5a3e1b;
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
    margin: 0 auto;
    padding-bottom: 20px;
}

.container > h2 {
    margin: 16px 0 4px;
    font-size: 2rem;
    letter-spacing: 1px;
}

/* ---------- status message ---------- */

#result {
    min-height: 1.6em;
    margin: 0 12px 12px;
    font-size: 1.3rem;
}

#result.win  { color: #1b7a34; }
#result.lose { color: #c0271f; }
#result.draw { color: #555; }

/* ---------- table ---------- */

.flex-blackjack-row-1,
.flex-blackjack-row-2 {
    background: url(images/blackjack-background1.jpg);
    color: wheat;
}

.flex-blackjack-row-1 {
    display: flex;
    border-top: 1px solid #000;
}

.you-box,
.dealer-box {
    flex: 1;
    min-width: 0;
    min-height: 320px;
    padding: 12px;
}

.you-box {
    border-right: 1px solid rgba(0, 0, 0, 0.6);
}

.you-box h2,
.dealer-box h2 {
    margin: 4px 0 16px;
    font-size: 1.5rem;
}

.bust {
    color: #ff7b72;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.card {
    width: 90px;
    aspect-ratio: 5 / 7;
    object-fit: contain;
    background-color: #fff; /* some card images have a transparent background */
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
    animation: deal 0.3s ease-out;
}

.card-back {
    background-color: #a52a2a;
    background-image: repeating-linear-gradient(45deg, transparent 0 6px, rgba(255, 255, 255, 0.15) 6px 8px);
    border: 4px solid #fff;
}

@keyframes deal {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .card {
        animation: none;
    }
}

/* ---------- buttons ---------- */

.flex-blackjack-row-2 {
    padding: 14px 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.6);
    border-bottom: 1px solid #000;
}

.flex-blackjack-row-2 button {
    padding: 10px 28px;
    margin: 5px 6px;
    font-size: 1.2rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.4);
}

.flex-blackjack-row-2 button:hover:not(:disabled) {
    filter: brightness(1.1);
}

.flex-blackjack-row-2 button:active:not(:disabled) {
    transform: translateY(1px);
}

.flex-blackjack-row-2 button:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.flex-blackjack-row-2 button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.green {
    background-color: #2e9e48;
    color: #fff;
}

.red {
    background-color: #d0342c;
    color: #fff;
}

.yellow {
    background-color: #f5c518;
    color: #222;
}

/* ---------- score table ---------- */

.flex-blackjack-row-3 table {
    font-size: 1.3rem;
    margin: 20px auto 0;
    border-collapse: collapse;
}

th, td {
    border: 1px solid #5a3e1b;
    padding: 8px 24px;
}

th {
    background-color: rgba(0, 0, 0, 0.08);
}

#winPoint  { color: #1b7a34; font-weight: 700; }
#lossPoint { color: #c0271f; font-weight: 700; }

/* ---------- small screens ---------- */

@media (max-width: 600px) {
    body {
        padding: 16px 12px;
    }

    .container > h2 {
        font-size: 1.6rem;
    }

    #result {
        font-size: 1.1rem;
    }

    .you-box,
    .dealer-box {
        min-height: 230px;
        padding: 8px;
    }

    .you-box h2,
    .dealer-box h2 {
        font-size: 1.15rem;
    }

    .cards {
        gap: 6px;
    }

    .card {
        width: 56px;
        border-radius: 4px;
    }

    .card-back {
        border-width: 3px;
    }

    .flex-blackjack-row-2 button {
        padding: 10px 18px;
        margin: 4px;
        font-size: 1rem;
    }

    .flex-blackjack-row-3 table {
        font-size: 1.1rem;
    }

    th, td {
        padding: 6px 16px;
    }
}