/**
 * Fixperts - 제품 가이드 및 FAQ 섹션 스타일
 * 공식 서비스센터 스타일의 정갈하고 전문적인 UI
 */

/* 메인 컨테이너 */
.manual-guide-section {
    margin: 24px 0;
    padding: 24px;
    background: var(--color-bg-primary, #ffffff);
    border: 1px solid var(--color-border-light, #e0e0e0);
    border-radius: var(--border-radius-md, 8px);
    box-sizing: border-box;
}

/* 섹션 상단 헤더 */
.guide-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-divider-alt, #e5e5e5);
}

.guide-header__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-dark, #1a1a1a);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 6px 0;
}

.guide-header__icon {
    width: 20px;
    height: 20px;
    color: var(--color-secondary, #f9971d);
    flex-shrink: 0;
}

.guide-header__desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary, #666666);
    margin: 0;
    line-height: 1.5;
}

/* 1. 제품 핵심 안내 박스 */
.guide-overview {
    background: var(--color-bg-gray-50, #f8f9fa);
    border: 1px solid var(--color-border-divider-alt, #e5e5e5);
    border-radius: 6px;
    padding: 16px 20px;
    margin-bottom: 28px;
}

.guide-overview__label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-secondary, #f9971d);
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.guide-overview__text {
    font-size: 0.94rem;
    line-height: 1.65;
    color: var(--color-text-primary, #333333);
    margin: 0;
}

/* 서브 섹션 공통 블록 */
.guide-block {
    margin-bottom: 28px;
}

.guide-block:last-child {
    margin-bottom: 0;
}

.guide-block__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-dark, #1a1a1a);
    margin: 0 0 14px 0;
    padding-left: 10px;
    border-left: 3px solid var(--color-secondary, #f9971d);
    line-height: 1.2;
}

/* 2. 자주 묻는 질문 (FAQ) 아코디언 */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-card {
    border: 1px solid var(--color-border-light, #e0e0e0);
    border-radius: 6px;
    background: #ffffff;
    overflow: hidden;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.faq-card[open] {
    border-color: var(--color-border-medium, #cccccc);
}

.faq-card__question {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    cursor: pointer;
    user-select: none;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary, #333333);
    list-style: none;
    transition: background-color 0.15s ease;
}

.faq-card__question::-webkit-details-marker {
    display: none;
}

.faq-card__question:hover {
    background-color: var(--color-bg-gray-50, #f8f9fa);
}

.faq-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
}

.faq-badge--q {
    background: var(--color-text-dark, #222222);
    color: #ffffff;
}

.faq-badge--a {
    background: var(--color-secondary, #f9971d);
    color: #ffffff;
}

.faq-question__text {
    flex: 1;
    line-height: 1.45;
}

.faq-toggle-icon {
    width: 18px;
    height: 18px;
    color: var(--color-text-tertiary, #999999);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.faq-card[open] .faq-toggle-icon {
    transform: rotate(180deg);
    color: var(--color-secondary, #f9971d);
}

.faq-card__answer {
    display: flex;
    gap: 12px;
    padding: 16px 18px;
    background: var(--color-bg-gray-50, #f8f9fa);
    border-top: 1px solid var(--color-border-divider, #f0f0f0);
}

.faq-answer__content {
    flex: 1;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text-medium, #555555);
}

/* 3. 자가 점검 및 이상 조치 (Troubleshooting 아코디언) */
.troubleshoot-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.troubleshoot-item {
    border: 1px solid var(--color-border-light, #e0e0e0);
    border-radius: 6px;
    background: #ffffff;
    overflow: hidden;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.troubleshoot-item[open] {
    border-color: var(--color-border-medium, #cccccc);
}

.troubleshoot-item__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    cursor: pointer;
    user-select: none;
    background: #ffffff;
    list-style: none;
    transition: background-color 0.15s ease;
}

.troubleshoot-item__header::-webkit-details-marker {
    display: none;
}

.troubleshoot-item__header:hover {
    background-color: var(--color-bg-gray-50, #f8f9fa);
}

.troubleshoot-item__title-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.code-tag {
    background: var(--color-bg-gray-200, #e9ecef);
    color: var(--color-text-dark, #1a1a1a);
    font-size: 0.76rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    font-family: monospace;
    flex-shrink: 0;
}

.symptom-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-dark, #1a1a1a);
    line-height: 1.4;
}

.troubleshoot-toggle-icon {
    width: 18px;
    height: 18px;
    color: var(--color-text-tertiary, #999999);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.troubleshoot-item[open] .troubleshoot-toggle-icon {
    transform: rotate(180deg);
    color: var(--color-secondary, #f9971d);
}

.troubleshoot-item__content {
    padding: 16px 18px;
    background: var(--color-bg-gray-50, #f8f9fa);
    border-top: 1px solid var(--color-border-divider, #f0f0f0);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cause-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cause-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-text-tertiary, #888888);
    letter-spacing: 0.3px;
}

.cause-text {
    font-size: 0.91rem;
    color: var(--color-text-primary, #333333);
    margin: 0;
    line-height: 1.55;
}

.solution-box {
    background: #ffffff;
    border: 1px solid var(--color-border-divider-alt, #e5e5e5);
    border-left: 3px solid var(--color-secondary, #f9971d);
    border-radius: 6px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.solution-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-secondary, #f9971d);
    letter-spacing: 0.3px;
}

.solution-text {
    font-size: 0.91rem;
    color: var(--color-text-primary, #333333);
    line-height: 1.6;
}

/* 4. 제품 주요 제원 (Specifications 2분할 행) */
.spec-list-wrap {
    width: 100%;
    border: 1px solid var(--color-border-divider-alt, #e5e5e5);
    border-radius: 6px;
    overflow: hidden;
    background: #ffffff;
}

.spec-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 0;
    padding: 0;
}

.spec-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    border-bottom: 1px solid var(--color-border-divider-alt, #e5e5e5);
    align-items: stretch;
}

.spec-row:nth-child(odd) {
    border-right: 1px solid var(--color-border-divider-alt, #e5e5e5);
}

.spec-key {
    background: var(--color-bg-gray-50, #f8f9fa);
    color: var(--color-text-secondary, #666666);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 11px 16px;
    margin: 0;
    display: flex;
    align-items: center;
    border-right: 1px solid var(--color-border-divider-alt, #e5e5e5);
    white-space: nowrap;
}

.spec-val {
    background: #ffffff;
    color: var(--color-text-primary, #333333);
    font-size: 0.88rem;
    padding: 11px 16px;
    margin: 0;
    display: flex;
    align-items: center;
    word-break: break-word;
    line-height: 1.45;
}

/* 반응형 모바일 대응 */
@media (max-width: 768px) {
    .manual-guide-section {
        padding: 16px 12px;
        margin: 16px 0;
    }

    .guide-header {
        margin-bottom: 18px;
        padding-bottom: 12px;
    }

    .guide-header__title {
        font-size: 1.12rem;
    }

    .guide-header__desc {
        font-size: 0.84rem;
    }

    .guide-overview {
        padding: 14px;
        margin-bottom: 22px;
    }

    .guide-overview__text {
        font-size: 0.88rem;
    }

    .guide-block {
        margin-bottom: 22px;
    }

    .guide-block__title {
        font-size: 0.98rem;
        margin-bottom: 10px;
    }

    /* FAQ 아코디언 모바일 */
    .faq-card__question {
        padding: 12px 14px;
        font-size: 0.9rem;
        gap: 10px;
    }

    .faq-badge {
        width: 20px;
        height: 20px;
        font-size: 0.74rem;
    }

    .faq-card__answer {
        padding: 14px;
        font-size: 0.87rem;
        gap: 10px;
    }

    /* 자가 점검 아코디언 모바일 */
    .troubleshoot-item__header {
        padding: 12px 14px;
        gap: 10px;
    }

    .symptom-title {
        font-size: 0.9rem;
    }

    .troubleshoot-item__content {
        padding: 12px 14px;
        gap: 10px;
    }

    .cause-text {
        font-size: 0.86rem;
    }

    .solution-box {
        padding: 10px 12px;
    }

    .solution-text {
        font-size: 0.86rem;
    }

    /* 제품 주요 제원 (모바일 좌우 2분할 행) */
    .spec-list {
        grid-template-columns: 1fr;
    }

    .spec-row {
        grid-template-columns: 95px 1fr;
        border-right: none !important;
    }

    .spec-row:last-child {
        border-bottom: none;
    }

    .spec-key {
        font-size: 0.82rem;
        padding: 9px 10px;
        word-break: keep-all;
        white-space: normal;
        line-height: 1.35;
    }

    .spec-val {
        font-size: 0.84rem;
        padding: 9px 12px;
        line-height: 1.45;
    }
}

/* 가이드 본문 중간 광고 구분 영역 */
.guide-ad-divider {
    margin: 24px 0 32px 0;
    width: 100%;
    clear: both;
}

.guide-ad-divider .ad-container {
    margin: 0;
    border-radius: 6px;
}