body { 
    background: #050505; 
    color: #00ff41; 
    font-family: 'Orbitron', sans-serif; 
    text-align: center;
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100vh; 
    margin: 0; 
}

.quiz-container { 
    border: 2px solid #00ff41; box-shadow: 0 0 20px #00ff41;
    margin: 50px auto; padding: 30px; width: 60%; background: rgba(0, 10, 0, 0.9);
    border-radius: 10px;
}

#timer-container { 
    width: 100%; 
    background: #222; 
    height: 12px; 
    border-radius: 5px; 
    margin: 20px 0; 
    overflow: hidden; 
}

#timer-bar { 
    width: 100%; 
    background: #ff0055; 
    height: 100%; 
    transition: width 1s linear; 
}

.btn-cyber {
    background: transparent; 
    color: #00ff41; 
    border: 1px solid #00ff41;
    padding: 15px 25px; 
    cursor: pointer; 
    margin: 10px; 
    font-family: 'Orbitron';
    transition: 0.3s; 
    width: 80%;
}

.btn-cyber:hover { 
    background: #00ff41; 
    color: black; 
    box-shadow: 0 0 15px #00ff41; 
}

#feedback { 
    height: 30px; 
    margin-top: 20px; 
    font-weight: bold; 
}

.leaderboard-container { 
    border: 2px solid #00ff41; 
    box-shadow: 0 0 20px #00ff41;
    padding: 40px; 
    width: 80%; 
    max-width: 800px; 
    background: rgba(0, 15, 0, 0.95);
    border-radius: 15px;
}
h1 { 
    text-shadow: 0 0 10px #00ff41; 
    margin-bottom: 30px; 
    letter-spacing: 5px; 
}

table { 
    width: 100%; 
    border-collapse: collapse; 
    margin-bottom: 30px; 
}

th { 
    border-bottom: 2px solid #00ff41; 
    padding: 15px; 
    text-transform: uppercase; 
    font-size: 0.9em; 
}

td { 
    padding: 15px; 
    border-bottom: 1px solid rgba(0, 255, 65, 0.2); 
    font-size: 1.1em; 
}

/* Effets sur le podium (UAA 3 - Sélecteurs avancés) */
tr:nth-child(2) { color: #ffd700; text-shadow: 0 0 10px #ffd700; font-weight: bold; } /* Or */
tr:nth-child(3) { color: #c0c0c0; text-shadow: 0 0 10px #c0c0c0; } /* Argent */
tr:nth-child(4) { color: #cd7f32; text-shadow: 0 0 10px #cd7f32; } /* Bronze */

.btn-retry {
    display: inline-block; 
    text-decoration: none;
    background: #ff0055; 
    color: white; 
    border: none;
    padding: 15px 40px; 
    cursor: pointer; 
    font-family: 'Orbitron';
    box-shadow: 0 0 15px #ff0055; 
    transition: 0.3s;
}

.btn-retry:hover { 
    transform: scale(1.1); 
    box-shadow: 0 0 30px #ff0055; 
}