/* ================== TORA QUIZ: SINGLE CHOICE ================== */
/* Namespace: .tora-flashcard-plugin .quiz-option.single-choice-option */

/* Container các lựa chọn */
.tora-flashcard-plugin .quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    width: 100%;
    padding: 0;
}

/* Giao diện từng lựa chọn */
.tora-flashcard-plugin .quiz-option.single-choice-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 15px;
    background: var(--tora-card-bg);
    border: 2px solid var(--tora-info);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}
.tora-flashcard-plugin .option-number {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: var(--tora-info);
    color: var(--tora-text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}
.tora-flashcard-plugin .quiz-option.single-choice-option input[type="radio"] {
    display: none;
}
.tora-flashcard-plugin .quiz-option.single-choice-option p {
    margin: 0;
    flex: 1;
}

/* Hiệu ứng hover */
.tora-flashcard-plugin .quiz-option.single-choice-option:hover {
    border-color: var(--tora-accent);
    background: var(--tora-info-bg);
}
.tora-flashcard-plugin .quiz-option.single-choice-option:hover .option-number {
    background: var(--tora-accent);
}

/* Lựa chọn đã chọn */
.tora-flashcard-plugin .quiz-option.single-choice-option.selected {
    border-color: var(--tora-accent);
    background: var(--tora-info-bg);
}
.tora-flashcard-plugin .quiz-option.single-choice-option.selected .option-number {
    background: var(--tora-accent);
}

/* Đúng/Sai */
.tora-flashcard-plugin .quiz-option.single-choice-option.correct {
    border-color: var(--tora-success);
    background: var(--tora-success-bg);
}
.tora-flashcard-plugin .quiz-option.single-choice-option.correct .option-number {
    background: var(--tora-success);
}
.tora-flashcard-plugin .quiz-option.single-choice-option.incorrect {
    border-color: var(--tora-error);
    background: var(--tora-warning-bg);
}
.tora-flashcard-plugin .quiz-option.single-choice-option.incorrect .option-number {
    background: var(--tora-error);
}

/* Responsive grid cho tablet trở lên */
@media screen and (min-width: 768px) {
    .tora-flashcard-plugin .quiz-options {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

/* Responsive cho mobile */
@media (max-width: 768px) {
    .tora-flashcard-plugin .option-number {
        width: 20px;
        height: 20px;
        min-width: 20px;
        font-size: 12px;
    }
    .tora-flashcard-plugin .quiz-option.single-choice-option {
        padding: 8px 12px;
        gap: 10px;
    }
}