body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(circle at center, #1a1a1a, #000000);
    color: gold;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: linear-gradient(to right, #000, #222);
    border-bottom: 2px solid gold;
}

.logo {
    font-size: 26px;
    font-weight: bold;
    letter-spacing: 2px;
}

.stats {
    display: flex;
    gap: 20px;
    font-size: 18px;
}

button {
    background: gold;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
}

.game-board {
    padding: 20px;
}

.top-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.foundation-area {
    display: flex;
    gap: 15px;
}

.card-slot, .foundation {
    width: 90px;
    height: 130px;
    border: 2px dashed rgba(255,255,255,0.3);
    border-radius: 10px;
}

.tableau {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.column {
    width: 90px;
    min-height: 500px;
}

.card {
    width: 90px;
    height: 130px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.6);
    transition: transform 0.2s ease;
    position: relative;
    margin-top: -100px;
    background-size: cover;
}

.card:first-child {
    margin-top: 0;
}

.card:hover {
    transform: translateY(-5px);
}

.win-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: none;
    justify-content: center;
    align-items: center;
    font-size: 48px;
    color: gold;
    z-index: 999;
}

footer {
    text-align: center;
    padding: 15px;
    font-size: 14px;
}