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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #0b2e2e, #0d4a4a);
    color: #f0fff0; 
    min-height: 100vh;
    padding: 20px;
    text-align: center;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

h1 {
    color: #39ff14; 
    margin-bottom: 10px;
    text-shadow: 0 0 15px rgba(57, 255, 20, 0.6);
}

p {
    margin-bottom: 30px;
    color: #c8ffc8;
    font-size: 1.15rem;
}

.btn {
    background: linear-gradient(90deg, #39ff14, #00eaff);
    color: #001a00;
    border: none;
    border-radius: 12px;
    padding: 16px 40px;
    font-size: 1.4rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 6px 25px rgba(57, 255, 20, 0.5);
    transition: all 0.3s;
}

.btn:hover {
    transform: scale(1.06);
    box-shadow: 0 12px 40px rgba(57, 255, 20, 0.7);
}

.hidden {
    display: none;
}

.matchup {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.card {
    width: 280px;
    height: 320px;
    background: rgba(0, 20, 20, 0.7); 
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    border: 3px solid #39ff14;
    box-shadow: 0 8px 25px rgba(57, 255, 20, 0.25);
}

.card:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 40px rgba(57, 255, 20, 0.5);
    border-color: #00eaff;
}

.card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.label {
    text-align: center;
    padding: 12px;
    background: rgba(57, 255, 20, 0.25);
    color: #39ff14;
    font-weight: bold;
    font-size: 1.1rem;
}

.vs {
    font-size: 3.5rem;
    color: #ffdd00;
    font-weight: bold;
    text-shadow: 0 0 10px #ffdd00;
}

#rounds {
    font-size: 1.4rem;
    color: #c8ffc8;
    margin: 20px 0;
}

#top-votes {
    font-size: 1.5rem;
    margin: 30px 0;
    padding: 20px;
    background: rgba(57, 255, 20, 0.12);
    border-radius: 12px;
    border: 1px solid rgba(57, 255, 20, 0.3);
}

.support {
    margin-top: 40px;
    font-size: 1.25rem;
    padding: 20px;
    background: rgba(57, 255, 20, 0.15);
    border-radius: 12px;
    border: 1px solid rgba(57, 255, 20, 0.3);
}

@media (max-width: 600px) {
    .matchup {
        flex-direction: column;
        gap: 20px;
    }
    .card {
        width: 240px;
        height: 280px;
    }
    .card img {
        height: 240px;
    }
}