.quiz-shell {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(280px, 1.15fr);
    gap: 22px;
}

.quiz-progress {
    height: 10px;
    border-radius: 8px;
    background: var(--line);
    overflow: hidden;
}

.quiz-progress span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--green);
    transition: width 0.25s;
}

.answer-list {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.answer-list > div {
    display: grid;
    gap: 12px;
}

.answer-option {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 56px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.answer-option i {
    color: var(--green);
}

.answer-option:hover,
.answer-option.selected {
    border-color: var(--green);
    background: var(--surface-soft);
    transform: translateY(-1px);
}

.quiz-form {
    display: grid;
    gap: 24px;
}

.quiz-field {
    min-width: 0;
    padding: 0 0 22px;
    border: 0;
    border-bottom: 1px solid var(--line);
}

.quiz-field legend {
    display: grid;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 19px;
    line-height: 1.4;
}

.quiz-field label {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 56px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.quiz-field label:hover {
    border-color: var(--green);
    background: var(--surface-soft);
    transform: translateY(-1px);
}

.quiz-field input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--green);
}

.quiz-field label:has(input[type="radio"]:checked) {
    border-color: var(--green);
    background: var(--surface-soft);
    box-shadow: inset 0 0 0 1px var(--green);
}

.quiz-submit {
    width: fit-content;
}

.form-error {
    margin-top: 10px;
    color: #b42318;
    font-weight: 700;
}

.quiz-card {
    min-height: 360px;
}

.quiz-question.hidden,
.quiz-result.hidden,
#quiz-form.hidden,
.hidden {
    display: none;
}

.quiz-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 22px;
}

.quiz-result {
    display: grid;
    gap: 14px;
}

.quiz-result h3 {
    margin: 0;
    font-size: 28px;
}

.quiz-result p {
    margin: 0;
}

@media (max-width: 960px) {
    .quiz-shell {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .quiz-actions {
        align-items: stretch;
        flex-direction: column;
    }
}