/**
 * Q&A Block Styles
 *
 * Q&Aブロックのスタイル（エディター・フロントエンド共通）
 *
 * @package Mitachi_Yuru
 * @since 1.0.0
 */

/* ============================================================
   CSS Variables - Q&Aブロック専用変数
   ============================================================ */

/* ブロック内でのCSS変数定義 */
.wp-block-mitachi-qa {
    --qa-q-color: var(--c-theme, #C9A961);
    --qa-a-color: var(--c-accent, #5B9EA6);
    --qa-border-color: #F0F0F0;
    --qa-bg-color: var(--c-bg-card, #FFFFFF);
    --qa-text-color: var(--c-text-main, #595048);
    --qa-text-light: var(--c-text-light, #968D85);
    --qa-radius: var(--radius-m, 20px);
    --qa-transition: 0.3s ease;
}

/* ============================================================
   Base Styles - 共通スタイル
   ============================================================ */
.wp-block-mitachi-qa {
    margin-bottom: 1.5rem;
    font-family: var(--f-base, 'Zen Maru Gothic', sans-serif);
}

/* 質問部分 */
.mitachi-qa__question {
    display: flex;
    /* Gutenberg does not always inherit the frontend's border-box reset. */
    box-sizing: border-box;
    min-width: 0;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
    padding: 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--qa-border-color);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--qa-text-color);
    line-height: 1.6;
    transition: background-color var(--qa-transition), color var(--qa-transition);
}

.mitachi-qa__question:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Pointer clicks must not paint an extra frame around the Q row.
   Keyboard navigation keeps one visible, inset focus indicator. */
.mitachi-qa__question:focus {
    outline: none;
    box-shadow: none;
}

.mitachi-qa__question:focus-visible {
    outline: 2px solid var(--qa-q-color);
    outline-offset: -3px;
}

/* 静的表示（アコーディオン無効時） */
.wp-block-mitachi-qa.is-static .mitachi-qa__question,
.mitachi-qa__question--static {
    cursor: default;
    border-bottom: none;
}

.wp-block-mitachi-qa.is-static .mitachi-qa__question:hover,
.mitachi-qa__question--static:hover {
    background-color: transparent;
}

.wp-block-mitachi-qa.is-static .mitachi-qa__answer {
    display: block;
}

/* Q/A ラベル */
.mitachi-qa__label {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1;
}

.mitachi-qa__label--q {
    background-color: var(--qa-q-color);
    color: #fff;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--qa-q-color) 30%, transparent);
}

.mitachi-qa__label--a {
    background-color: var(--qa-a-color);
    color: #fff;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--qa-a-color) 30%, transparent);
}

/* ラベル形状: 四角 */
.wp-block-mitachi-qa.has-label-shape-square .mitachi-qa__label {
    border-radius: 6px;
}

/* ラベルスタイル: 枠線のみ */
.wp-block-mitachi-qa.has-label-style-outline .mitachi-qa__label--q {
    background-color: transparent;
    color: var(--qa-q-color);
    border: 2px solid var(--qa-q-color);
    box-shadow: none;
}

.wp-block-mitachi-qa.has-label-style-outline .mitachi-qa__label--a {
    background-color: transparent;
    color: var(--qa-a-color);
    border: 2px solid var(--qa-a-color);
    box-shadow: none;
}

/* ラベルスタイル: なし */
.wp-block-mitachi-qa.has-label-style-none .mitachi-qa__label {
    display: none;
}

/* 質問テキスト */
.mitachi-qa__question-text {
    flex: 1;
    min-width: 0;
    padding-top: 4px;
}

/* アイコン */
.mitachi-qa__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin-top: 4px;
    color: var(--qa-text-light);
    transition: transform var(--qa-transition), color var(--qa-transition);
}

.mitachi-qa__icon-svg {
    width: 100%;
    height: 100%;
}

/* プラス/マイナスアイコン */
.mitachi-qa__icon-vertical {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.wp-block-mitachi-qa.is-open .mitachi-qa__icon-vertical {
    transform: rotate(90deg);
    opacity: 0;
}

/* 矢印アイコン */
.wp-block-mitachi-qa.has-icon-arrow .mitachi-qa__icon-svg {
    transition: transform 0.3s ease;
}

.wp-block-mitachi-qa.is-open.has-icon-arrow .mitachi-qa__icon-svg {
    transform: rotate(180deg);
}

/* Q/A文字アイコン */
.mitachi-qa__icon-letter {
    font-size: 1rem;
    font-weight: 700;
    color: var(--qa-a-color);
    transition: transform 0.3s ease;
}

.wp-block-mitachi-qa.is-open .mitachi-qa__icon-letter {
    transform: scale(1.2);
    color: var(--qa-q-color);
}

/* 回答部分 */
.mitachi-qa__answer {
    overflow: hidden;
}

.mitachi-qa__answer-inner {
    display: flex;
    gap: 12px;
    padding: 20px;
    padding-top: 16px;
}

.mitachi-qa__answer-text {
    flex: 1;
    min-width: 0;
    padding-top: 4px;
    color: var(--qa-text-color);
    line-height: 2;
}

.mitachi-qa__answer-text p {
    margin-bottom: 1em;
}

.mitachi-qa__answer-text p:last-child {
    margin-bottom: 0;
}

/* ============================================================
   Style Variation: Card - カードスタイル
   ============================================================ */
.wp-block-mitachi-qa.is-style-card {
    background-color: var(--qa-bg-color);
    border-radius: var(--qa-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform var(--qa-transition), box-shadow var(--qa-transition);
}

.wp-block-mitachi-qa.is-style-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.wp-block-mitachi-qa.is-style-card .mitachi-qa__question {
    border-bottom-color: var(--qa-border-color);
}

.wp-block-mitachi-qa.is-style-card.is-open .mitachi-qa__question {
    background-color: rgba(0, 0, 0, 0.02);
}

/* ============================================================
   Style Variation: Border Left - 左ボーダースタイル
   ============================================================ */
/* Show Q and A as separate, persistent color-coded sections.
   Accordion state only changes answer visibility, never the Q border color. */
.wp-block-mitachi-qa.is-style-border-left {
    background-color: var(--qa-bg-color);
    border-radius: 0 var(--qa-radius) var(--qa-radius) 0;
}

.wp-block-mitachi-qa.is-style-border-left .mitachi-qa__question {
    border-left: 4px solid var(--qa-q-color);
    border-bottom: 1px solid var(--qa-border-color);
}

.wp-block-mitachi-qa.is-style-border-left .mitachi-qa__answer-inner {
    border-left: 4px solid var(--qa-a-color);
}

/* ============================================================
   Style Variation: Boxed - 囲み枠スタイル
   ============================================================ */
.wp-block-mitachi-qa.is-style-boxed {
    border: 2px solid var(--qa-border-color);
    border-radius: var(--qa-radius);
    background-color: var(--qa-bg-color);
}

.wp-block-mitachi-qa.is-style-boxed .mitachi-qa__question {
    border-bottom: 1px dashed var(--qa-border-color);
    border-radius: calc(var(--qa-radius) - 2px) calc(var(--qa-radius) - 2px) 0 0;
}

.wp-block-mitachi-qa.is-style-boxed.is-open .mitachi-qa__question {
    background: linear-gradient(to right, color-mix(in srgb, var(--qa-q-color) 10%, transparent), transparent);
}

.wp-block-mitachi-qa.is-style-boxed .mitachi-qa__answer-inner {
    background: linear-gradient(to right, color-mix(in srgb, var(--qa-a-color) 10%, transparent), transparent);
    border-radius: 0 0 calc(var(--qa-radius) - 2px) calc(var(--qa-radius) - 2px);
}

/* ============================================================
   Open State Enhancements - 開いた状態の強調
   ============================================================ */
.wp-block-mitachi-qa.is-open .mitachi-qa__question {
    color: var(--qa-text-color);
}

.wp-block-mitachi-qa.is-open .mitachi-qa__icon {
    color: var(--qa-q-color);
}

/* ============================================================
   Accessibility - アクセシビリティ
   ============================================================ */

/* スクリーンリーダー専用テキスト */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    white-space: nowrap;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* reduced-motion 対応 */
@media (prefers-reduced-motion: reduce) {

    .wp-block-mitachi-qa,
    .wp-block-mitachi-qa *,
    .mitachi-qa__icon,
    .mitachi-qa__icon-svg,
    .mitachi-qa__icon-vertical {
        transition: none !important;
        animation: none !important;
    }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    .wp-block-mitachi-qa {
        border: 2px solid currentColor;
    }

    .mitachi-qa__question:focus-visible {
        outline: 2px solid currentColor;
        outline-offset: -3px;
    }

    .mitachi-qa__label {
        border: 2px solid currentColor;
    }
}

/* ============================================================
   Responsive - レスポンシブ対応
   ============================================================ */
@media (max-width: 768px) {
    .mitachi-qa__question {
        padding: 16px;
        gap: 10px;
        font-size: 0.95rem;
    }

    .mitachi-qa__label {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    .mitachi-qa__answer-inner {
        padding: 16px;
        gap: 10px;
    }

    .mitachi-qa__icon {
        width: 20px;
        height: 20px;
    }

    /* カードスタイルのモバイル調整 */
    .wp-block-mitachi-qa.is-style-card {
        border-radius: 16px;
    }

    /* 左ボーダースタイルのモバイル調整 */
    .wp-block-mitachi-qa.is-style-border-left {
        border-radius: 0 12px 12px 0;
    }

    .wp-block-mitachi-qa.is-style-border-left .mitachi-qa__question,
    .wp-block-mitachi-qa.is-style-border-left .mitachi-qa__answer-inner {
        border-left-width: 3px;
    }

    /* 囲み枠スタイルのモバイル調整 */
    .wp-block-mitachi-qa.is-style-boxed {
        border-radius: 16px;
    }
}

/* ============================================================
   Gutenberg editing affordances only.

   Presentation (palette, labels, question/answer layout and variations)
   comes from the same rules used by published posts above. Do not re-add
   higher-specificity editor copies or fixed-color !important overrides.
   ============================================================ */
.editor-styles-wrapper .mitachi-qa__question-text,
.editor-styles-wrapper .mitachi-qa__answer-text {
    cursor: text;
}

/* ============================================================
   Print Styles - 印刷用スタイル
   ============================================================ */
@media print {
    .wp-block-mitachi-qa {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

    .mitachi-qa__icon {
        display: none;
    }

    .mitachi-qa__answer {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }

    .mitachi-qa__answer[hidden] {
        display: block !important;
    }
}