body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #ff6e7f 0%, #bfe9ff 100%);
    font-family: 'Segoe UI', 'Arial', sans-serif;
}
.container {
    max-width: 420px;
    margin: 48px auto;
    padding: 32px 24px;
    background: rgba(30, 30, 30, 0.95);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    text-align: center;
    color: #fff;
    position: relative;
}
h1 {
    font-size: 2.3em;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #ffd700, #ff6e7f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.subtitle {
    font-size: 1.1em;
    margin-bottom: 16px;
    opacity: 0.8;
}
.balance {
    font-size: 1.2em;
    margin-bottom: 12px;
    letter-spacing: 1px;
    font-weight: bold;
    color: #ffd700;
}
.slot-row {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5em;
    margin: 24px 0;
    padding: 18px;
    background: linear-gradient(90deg, #222, #333 70%);
    border-radius: 12px;
    border: 3px solid #ffd700;
    box-shadow: 0 4px 18px #444;
    letter-spacing: 18px;
}
.reel {
    margin: 0 12px;
    display: inline-block;
    transition: transform 0.3s cubic-bezier(.68,-0.55,.27,1.55);
}
.spin-anim {
    animation: spin 0.6s cubic-bezier(.68,-0.55,.27,1.55);
}
@keyframes spin {
    0% { transform: scale(1) rotateX(0deg);}
    50% { transform: scale(1.3) rotateX(180deg);}
    100% { transform: scale(1) rotateX(360deg);}
}
form label {
    font-size: 1em;
    margin-right: 10px;
}
input[type="number"] {
    padding: 8px 10px;
    font-size: 1.1em;
    border-radius: 6px;
    border: 1px solid #ffd700;
    background: #222;
    color: #fff;
    margin-right: 8px;
    width: 80px;
    box-sizing: border-box;
}
#spin-button, #play-again {
    padding: 10px 24px;
    font-size: 1.1em;
    border-radius: 6px;
    border: none;
    background: linear-gradient(90deg, #ffd700, #ff6e7f 80%);
    color: #222;
    font-weight: bold;
    cursor: pointer;
    margin-top: 14px;
    transition: box-shadow 0.2s;
    box-shadow: 0 2px 8px #ff6e7f66;
}
#spin-button:hover, #play-again:hover {
    box-shadow: 0 4px 16px #ffd70088;
}
#spin-button:disabled {
    background: #888;
    color: #fff;
    cursor: not-allowed;
    box-shadow: none;
}
#result {
    margin: 22px 0 10px 0;
    font-size: 1.18em;
    min-height: 28px;
}
#game-over {
    font-size: 1.4em;
    color: #ff4e4e;
    font-weight: bold;
    margin-top: 16px;
    letter-spacing: 2px;
}