* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
    width: 90%;
    max-width: 800px;
}

h1 {
    margin-bottom: 30px;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.game-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.dealer, .player {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.cards {
    min-height: 120px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 15px 0;
}

.card {
    width: 80px;
    height: 120px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
    color: black;
    box-shadow: 2px 3px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
}

.card.red {
    color: red;
}

.score {
    font-size: 1.2em;
    font-weight: bold;
}

.controls {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 20px;
}

button {
    padding: 12px 25px;
    font-size: 1em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
}

#hit-btn {
    background: #27ae60;
    color: white;
}

#stand-btn {
    background: #e74c3c;
    color: white;
}

#new-game-btn {
    background: #3498db;
    color: white;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.message {
    font-size: 1.5em;
    font-weight: bold;
    min-height: 40px;
}

.win {
    color: #27ae60;
}

.lose {
    color: #e74c3c;
}

.draw {
    color: #f39c12;
}

.card.hidden {
    background: linear-gradient(45deg, #667eea, #764ba1);
    color: transparent;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}