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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1e1e2f;
    color: white;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background-color: #2a2a40;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.header h1 {
    color: #ff4757;
    margin-bottom: 15px;
}


.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    width: 100%;
    background: #1e1e2f;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.stats h3 { color: #f1c40f; font-size: 18px; }

.enemy-card {
    background: #353b48;
    padding: 20px;
    border-radius: 15px;
    border: 2px solid #ff4757;
}

#enemy_name {
    margin-bottom: 15px;
    font-size: 24px;
}

#enemy_img {
    width: 150px;
    height: 150px;
    background: #f5f6fa;
    border-radius: 50%;
    border: 4px solid #2ed573;
    cursor: pointer;
    transition: transform 0.1s;
    user-select: none; 
}

#enemy_img:active {
    transform: scale(0.9);
    border-color: #ff4757;
}

#enemy_hp {
    font-size: 24px;
    font-weight: bold;
    color: #2ed573;
    margin: 15px 0;
}

.drop-info {
    color: #a4b0be;
    font-size: 14px;
}

.footer {
    margin-top: 20px;
    font-size: 12px;
    color: #747d8c;
}


.shop-section {
    background: #2f3640;
    margin: 20px 0;
    padding: 15px;
    border-radius: 10px;
    border: 2px dashed #f1c40f;
}
.shop-section h3 {
    color: #f1c40f;
    margin-bottom: 10px;
}
#buy-upgrade-btn {
    background: #e1b12c;
    color: #2f3640;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    transition: 0.2s;
}
#buy-upgrade-btn:hover { background: #fbc531; }
#buy-upgrade-btn:disabled { background: #7f8fa6; cursor: not-allowed; }