* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 20px;
}

.quiz-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    position: relative;
}

.language-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #e94560;
    font-size: 2.5em;
}

h2 {
    color: #fff;
    margin-bottom: 20px;
}

.choice-btn {
    display: block;
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.choice-btn:hover {
    background: rgba(233, 69, 96, 0.3);
    transform: translateY(-2px);
}

#progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    margin: 20px 0;
}

#progress {
    height: 100%;
    background: #e94560;
    border-radius: 5px;
    transition: width 0.3s ease;
}

.hidden {
    display: none;
}

#result {
    text-align: center;
}

#game-result {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

#restart-btn {
    background: #e94560;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
}

#restart-btn:hover {
    background: #d13b54;
    transform: translateY(-2px);
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    .quiz-container {
        padding: 20px;
    }
    
    h1 {
        font-size: 2em;
    }
}