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

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #e0e0e0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    text-align: center;
    max-width: 600px;
    width: 100%;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    color: #00ffcc;
    text-shadow: 0 0 10px rgba(0, 255, 204, 0.5);
    margin-bottom: 20px;
}

.score-board {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.score {
    font-size: 1.5rem;
    font-weight: 600;
}

.score span {
    color: #ff007a;
    font-family: 'Orbitron', sans-serif;
}

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

.choice-btn {
    font-size: 3.5rem;
    width: 80px;
    height: 80px;
    border: none;
    border-radius: 50%;
    background: #00ffcc;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.5);
}

.choice-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.8);
}

.choice-btn:active {
    transform: scale(0.95);
}

.display {
    margin-bottom: 20px;
}

#playerDisplay,
#computerDisplay {
    font-size: 1.5rem;
    margin: 10px 0;
}

#resultDisplay {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

#resultDisplay.win {
    color: #00ff00;
    text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

#resultDisplay.lose {
    color: #ff0000;
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

#resultDisplay.tie {
    color: #ffcc00;
    text-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
}

.reset-btn {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    background: #ff007a;
    color: #fff;
    cursor: pointer;
    transition: background 0.5s ease, transform 0.5s ease;
}

.reset-btn:hover {
    background: #ff3399;
    transform: scale(1.05);
}

.reset-btn:active {
    transform: scale(0.95);
}

footer {
    margin-top: 20px;
    font-size: 0.9rem;
    color: #a0a0a0;
    font-family: 'Montserrat', sans-serif;
}

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

.modal-content {
    background: #16213e;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.5);
}

.modal-content h2 {
    font-family: 'Orbitron', sans-serif;
    color: #00ffcc;
    margin-bottom: 20px;
}

.modal-btn {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    background: #ff007a;
    color: #fff;
    cursor: pointer;
    transition: background 0.3s ease;
}

.modal-btn:hover {
    background: #ff3399;
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .choice-btn {
        width: 60px;
        height: 60px;
        font-size: 2.5rem;
    }

    .score {
        font-size: 1.2rem;
    }

    #playerDisplay,
    #computerDisplay {
        font-size: 1.2rem;
    }

    #resultDisplay {
        font-size: 1.5rem;
    }

    .reset-btn, .modal-btn {
        font-size: 1rem;
        padding: 8px 16px;
    }

    .modal-content {
        width: 80%;
    }
}