/* =================================================================
   ひらがなれんしゅう 固有スタイル
   すべて #app-kids-hiragana でスコープする
   ================================================================= */

#app-kids-hiragana {
    --kh-paper: #fffdf7;
    --kh-paper-line: #d9d2c4;
}

/* ---------- モード切替 ---------- */
#app-kids-hiragana .kh-modes {
    max-width: 460px;
}

#app-kids-hiragana .kh-mode-btn {
    flex: 1 1 0;
    font-weight: 700;
    border: 2px solid var(--bs-primary);
    color: var(--kids-accent-text, var(--bs-primary));
    background: var(--bs-body-bg);
}

#app-kids-hiragana .kh-mode-btn.active {
    background: var(--bs-primary);
    color: #fff;
}

/* ---------- 文字セットのピル ---------- */
#app-kids-hiragana .kh-set-btn {
    font-weight: 700;
    border-radius: 999px;
    border: 2px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
}

#app-kids-hiragana .kh-set-btn.active {
    border-color: var(--bs-primary);
    background: var(--bs-primary-bg-subtle);
    color: var(--kids-accent-text, var(--bs-primary));
}

/* ---------- 五十音表 ---------- */
#app-kids-hiragana .kh-gojuon {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    max-width: 460px;
}

/* ちいさいもじ（拗音）は3列 */
#app-kids-hiragana .kh-gojuon--c3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 300px;
}

/* 2文字マス（きゃ 等）は文字を小さく */
#app-kids-hiragana .kh-cell--multi {
    font-size: clamp(1rem, 4.2vw, 1.5rem);
}

#app-kids-hiragana .kh-cell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    font-size: clamp(1.4rem, 6vw, 2rem);
    font-weight: 700;
    border-radius: 14px;
    border: 2px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    cursor: pointer;
    transition: transform .08s ease, background-color .15s ease, border-color .15s ease;
    -webkit-tap-highlight-color: transparent;
    line-height: 1;
}

@media (hover: hover) { #app-kids-hiragana .kh-cell:hover {
    border-color: var(--bs-primary);
} }

#app-kids-hiragana .kh-cell:active {
    transform: scale(.94);
}

/* 空きマス（や行・わ行の欠け） */
#app-kids-hiragana .kh-cell-empty {
    border: none;
    background: transparent;
    cursor: default;
    pointer-events: none;
}

/* かけた文字（✓） */
#app-kids-hiragana .kh-cell.is-done {
    background: var(--bs-success-bg-subtle);
    border-color: var(--bs-success);
}

#app-kids-hiragana .kh-cell .kh-check {
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: .8rem;
    color: var(--bs-success);
}

/* ---------- れんしゅうカード ---------- */
#app-kids-hiragana .kh-card {
    max-width: 560px;
    padding: 1rem;
    border-radius: 20px;
    border: 2px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    box-shadow: 0 .5rem 1.5rem rgba(0, 0, 0, .08);
}

#app-kids-hiragana .kh-word-chip {
    padding: .35rem .9rem;
    border-radius: 999px;
    background: var(--bs-primary-bg-subtle);
    border: 1px solid var(--bs-primary-border-subtle);
}

#app-kids-hiragana .kh-word-emoji {
    font-size: 1.6rem;
    line-height: 1.25;
}

/* ---------- Canvas ---------- */
#app-kids-hiragana .kh-canvas-wrap {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1 / 1;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .12);
    touch-action: none;
    /* なぞり中の画面スクロールを抑止 */
}

#app-kids-hiragana .kh-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

#app-kids-hiragana .kh-ink {
    touch-action: none;
    cursor: crosshair;
}

/* ---------- よみクイズ ---------- */
#app-kids-hiragana .kh-quiz-hero {
    font-size: 3rem;
    color: var(--bs-warning);
    line-height: 1;
}

#app-kids-hiragana .kh-quiz-prompt {
    font-size: clamp(1.1rem, 4.5vw, 1.5rem);
    line-height: 1.5;
}

#app-kids-hiragana .kh-q-kana {
    color: var(--kids-accent-text, var(--bs-primary));
    font-size: 1.4em;
}

#app-kids-hiragana .kh-q-emoji {
    display: block;
    font-size: clamp(3rem, 16vw, 4.5rem);
    line-height: 1.25;
}

#app-kids-hiragana .kh-q-word {
    display: block;
    color: var(--bs-secondary-color);
    font-size: .9rem;
    margin-bottom: .3rem;
}

#app-kids-hiragana .kh-quiz-choices {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    max-width: 420px;
    margin: 0 auto 1rem;
}

#app-kids-hiragana .kh-quiz-choice {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 3 / 2;
    font-weight: 700;
    border-radius: 16px;
    border: 2px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    transition: transform .08s ease, border-color .15s ease, background-color .15s ease;
    -webkit-tap-highlight-color: transparent;
}

#app-kids-hiragana .kh-quiz-choice--kana {
    font-size: clamp(1.8rem, 9vw, 2.6rem);
}

#app-kids-hiragana .kh-quiz-choice--emoji {
    font-size: clamp(2.2rem, 11vw, 3.2rem);
}

@media (hover: hover) { #app-kids-hiragana .kh-quiz-choice:not(:disabled):hover {
    border-color: var(--bs-primary);
} }

#app-kids-hiragana .kh-quiz-choice:not(:disabled):active {
    transform: scale(.95);
}

#app-kids-hiragana .kh-quiz-choice.is-correct {
    border-color: var(--bs-success);
    background: var(--bs-success-bg-subtle);
    color: var(--bs-success);
}

#app-kids-hiragana .kh-quiz-choice.is-wrong {
    border-color: var(--bs-danger);
    background: var(--bs-danger-bg-subtle);
    color: var(--bs-danger);
}

/* ---------- モバイル微調整 ---------- */
@media (max-width: 400px) {
    #app-kids-hiragana .kh-gojuon {
        gap: 6px;
    }

    #app-kids-hiragana .kh-card {
        padding: .75rem;
    }
}