:root {
    --primary-color: #2c3e50;
    --secondary-color: #27ae60;
    --accent-color: #e74c3c;
    --text-color: #ecf0f1;
    --card-color: #fff;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1a2a3a 0%, #2c3e50 100%);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.game-container {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    width: 80%;
    max-width: 800px;
}

.dealer-area, .player-area {
    margin: 20px 0;
    padding: 20px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.2);
}

.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 150px;
}

.card {
    width: 100px;
    height: 140px;
    background: var(--card-color);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: #000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

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

.card.hearts, .card.diamonds {
    color: var(--accent-color);
}

.controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 10px 0;
}

button {
    padding: 10px 20px;
    font-size: 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--secondary-color);
    color: var(--text-color);
    min-width: 100px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

button:disabled {
    background: #95a5a6;
    cursor: not-allowed;
    transform: none;
}

.stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
}

.bet-controls {
    display: flex;
    align-items: center;
    gap: 30px;
    font-size: 18px;
    justify-content: center;
    width: 100%;
}

#bet-amount {
    padding: 5px;
    width: 80px;
    border-radius: 5px;
    border: none;
    font-size: 18px;
    text-align: center;
    background: var(--card-color);
}

.message {
    text-align: center;
    margin-top: 20px;
    padding: 10px;
    border-radius: 5px;
    font-size: 18px;
    min-height: 30px;
}

.score {
    margin-top: 10px;
    font-size: 18px;
    color: var(--text-color);
}

.game-header {
    text-align: center;
    font-size: 24px;
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
}

.center-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin: 20px 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.bet-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
}

#bet-amount {
    padding: 5px;
    width: 80px;
    border-radius: 5px;
    border: none;
    font-size: 18px;
    text-align: center;
    background: var(--card-color);
}

.message {
    text-align: center;
    margin-top: 20px;
    padding: 10px;
    border-radius: 5px;
    font-size: 18px;
    min-height: 30px;
    font-weight: bold;
    color: var(--accent-color);
}

.stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
}

.bet-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

#money {
    font-size: 20px;
    font-weight: bold;
    color: var(--secondary-color);
    min-width: 120px;
    text-align: right;
}

/* 模态窗口样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--primary-color);
    padding: 20px;
    border-radius: 10px;
    min-width: 300px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.slider-container {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

#win-rate {
    width: 80%;
    height: 10px;
    -webkit-appearance: none;
    background: var(--secondary-color);
    border-radius: 5px;
    outline: none;
}

#win-rate::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
}

#win-rate-value {
    font-size: 18px;
    color: var(--text-color);
}

.score-text {
    cursor: pointer;
    user-select: none;
}

.score-text:hover {
    color: var(--accent-color);
}