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

body {
    font-family: Georgia, serif;
    background-color: #1a1a2e;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: white;
}

.app {
    background: #16213e;
    padding: 40px;
    width: 480px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    text-align: center;
}

.hidden {
    display: none;
}

/* START SCREEN */
#startScreen h1 {
    font-size: 28px;
    margin-bottom: 12px;
    color: #e2b96f;
}

#startScreen p {
    color: #aaa;
    margin-bottom: 24px;
}

/* PROGRESS BAR */
#progressBar {
    background: #0f3460;
    border-radius: 10px;
    height: 8px;
    margin-bottom: 24px;
    overflow: hidden;
}

#progressFill {
    height: 100%;
    background: #e2b96f;
    border-radius: 10px;
    width: 0%;
    transition: width 0.4s ease;
}

/* QUESTION */
#questionCounter {
    font-size: 13px;
    color: #aaa;
    margin-bottom: 10px;
}

#questionText {
    font-size: 20px;
    margin-bottom: 24px;
    line-height: 1.5;
    color: #f0e6d3;
}

/* CHOICES */
#choicesContainer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.choice {
    padding: 12px 16px;
    border: 2px solid #0f3460;
    border-radius: 10px;
    background: #0f3460;
    color: white;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.2s, border 0.2s;
    text-align: left;
}

.choice:hover {
    background: #1a4a8a;
    border-color: #e2b96f;
}

.choice.correct {
    background: #1e6b3c;
    border-color: #2ecc71;
}

.choice.wrong {
    background: #7b1e1e;
    border-color: #e74c3c;
}

/* FEEDBACK */
#feedback {
    font-size: 15px;
    min-height: 22px;
    margin-bottom: 16px;
    font-weight: bold;
}

/* BUTTONS */
button {
    padding: 12px 28px;
    background: #e2b96f;
    color: #1a1a2e;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background: #c9a050;
}

/* RESULT SCREEN */
#resultEmoji {
    font-size: 60px;
    margin-bottom: 12px;
}

#resultTitle {
    font-size: 26px;
    color: #e2b96f;
    margin-bottom: 8px;
}

#resultScore {
    font-size: 18px;
    margin-bottom: 8px;
}

#resultMessage {
    color: #aaa;
    margin-bottom: 24px;
}