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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    min-height: 100vh;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 900px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 0 25px rgba(0,0,0,0.4);
}

h1 {
    text-align: center;
    margin-bottom: 25px;
    color: #38bdf8;
}

h2 {
    margin-bottom: 15px;
}

.selection-panel {
    text-align: center;
}

select {
    width: 250px;
    padding: 12px;
    border-radius: 10px;
    border: none;
    font-size: 16px;
    margin: 15px 0;
}

button {
    background: #38bdf8;
    color: white;
    border: none;
    padding: 12px 22px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    margin: 5px;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
    background: #0ea5e9;
}

.hidden {
    display: none;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: bold;
}

#timer {
    color: #f87171;
}

.question-box {
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

#questionText {
    line-height: 1.6;
}

textarea {
    width: 100%;
    min-height: 180px;
    border-radius: 12px;
    border: none;
    padding: 15px;
    font-size: 16px;
    resize: vertical;
    margin-bottom: 20px;
}

.buttons {
    text-align: center;
}

#feedback {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    min-height: 60px;
}

#resultSection {
    text-align: center;
}

#finalScore {
    font-size: 28px;
    margin: 20px 0;
    color: #4ade80;
}

@media(max-width: 768px) {

    .container {
        padding: 20px;
    }

    .top-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    textarea {
        min-height: 150px;
    }
}