/* =================================================================
   フラッシュきおく（kinder-flash）ツール固有スタイル
   すべて #app-kinder-flash でスコープ。ライト/ダーク両対応。
   ================================================================= */

#app-kinder-flash {
    --kf-accent: #7c5ac3;
    --kf-round: 20px;
}

/* ------- 共通の小物 ------- */
#app-kinder-flash .kf-badge {
    display: inline-block;
    background: var(--bs-primary);
    color: #fff;
    font-weight: 700;
    padding: 0.5rem 1.2rem;
    border-radius: 999px;
    font-size: 1.05rem;
}

/* タッチターゲットは 60px 以上 */
#app-kinder-flash .kf-big-btn {
    min-height: 64px;
    min-width: 220px;
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.6rem 2rem;
}

#app-kinder-flash .kf-mini-btn {
    min-height: 44px;
    border-radius: 999px;
    font-weight: 600;
}

#app-kinder-flash .kf-icon-btn {
    min-width: 48px;
    min-height: 48px;
    border-radius: 50%;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ------- モードえらび ------- */
#app-kinder-flash .kf-mode-grid {
    max-width: 900px;
    margin-inline: auto;
}

#app-kinder-flash .kf-mode-card {
    width: 100%;
    min-height: 160px;
    border: 3px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    border-radius: var(--kf-round);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 1.2rem 1rem;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
    box-shadow: 0 3px 0 var(--bs-border-color);
}

#app-kinder-flash .kf-mode-card:focus-visible {
    border-color: var(--bs-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(124, 90, 195, .25);
    outline: none;
}

@media (hover: hover) { #app-kinder-flash .kf-mode-card:hover {
    border-color: var(--bs-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(124, 90, 195, .25);
    outline: none;
} }

#app-kinder-flash .kf-mode-card:active {
    transform: translateY(0);
}

#app-kinder-flash .kf-mode-emoji {
    font-size: 2.6rem;
    line-height: 1.25;
    letter-spacing: 2px;
}

#app-kinder-flash .kf-mode-name {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--bs-body-color);
}

#app-kinder-flash .kf-mode-sub {
    font-size: 0.95rem;
    color: var(--bs-secondary-color);
}

/* ------- シールちょう ------- */
#app-kinder-flash .kf-sticker-book {
    max-width: 900px;
    margin-inline: auto;
    border: 2px dashed var(--bs-border-color);
    border-radius: var(--kf-round);
    padding: 1rem 1.2rem;
    background: var(--bs-body-tertiary, var(--bs-tertiary-bg));
}

#app-kinder-flash .kf-sticker-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    min-height: 2.4rem;
    align-items: center;
}

#app-kinder-flash .kf-sticker-grid .kf-sticker {
    font-size: 1.9rem;
    line-height: 1;
    animation: kf-pop .4s ease;
}

/* ------- がんばりきろく ------- */
#app-kinder-flash .kf-records-book {
    max-width: 900px;
    margin-inline: auto;
    border: 2px dashed var(--bs-border-color);
    border-radius: var(--kf-round);
    padding: 1rem 1.2rem;
    background: var(--bs-body-tertiary, var(--bs-tertiary-bg));
}

#app-kinder-flash .kf-rec-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

#app-kinder-flash .kf-rec-chip {
    display: inline-flex;
    align-items: baseline;
    gap: 0.25rem;
    background: var(--bs-body-bg);
    border: 2px solid var(--bs-border-color);
    border-radius: 999px;
    padding: 0.3rem 0.85rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bs-body-color);
}

#app-kinder-flash .kf-rec-chip b {
    font-size: 1.35rem;
    color: var(--kids-accent-text, var(--bs-primary));
}

#app-kinder-flash .kf-rec-unit {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bs-secondary-color);
}

#app-kinder-flash .kf-rec-levels {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.6rem;
}

#app-kinder-flash .kf-rec-lv {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: color-mix(in srgb, var(--bs-primary) 12%, var(--bs-body-bg));
    border-radius: 12px;
    padding: 0.2rem 0.6rem;
    font-size: 1.1rem;
}

#app-kinder-flash .kf-rec-lv b {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--kids-accent-text, var(--bs-primary));
}

/* ------- ゲーム 上部バー ------- */
#app-kinder-flash .kf-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    max-width: 720px;
    margin: 0 auto 0.75rem;
}

#app-kinder-flash .kf-topbar-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
    text-align: center;
    flex: 1;
}

#app-kinder-flash #kf-mode-title {
    font-size: 1.15rem;
}

#app-kinder-flash .kf-level-badge {
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    background: var(--bs-primary);
    border-radius: 999px;
    padding: 0.1rem 0.7rem;
    margin-top: 0.15rem;
}

#app-kinder-flash .kf-topbar-tools {
    display: flex;
    gap: 0.4rem;
}

/* 音符ボタンのミュート状態 */
#app-kinder-flash .kf-icon-btn.kf-off {
    opacity: 0.5;
}

/* ------- 進捗ドット ------- */
#app-kinder-flash .kf-progress {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    min-height: 1.2rem;
}

#app-kinder-flash .kf-progress .kf-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bs-border-color);
    transition: background .2s ease, transform .2s ease;
}

#app-kinder-flash .kf-progress .kf-dot.done {
    background: var(--bs-success);
    transform: scale(1.15);
}

#app-kinder-flash .kf-progress .kf-dot.current {
    background: var(--bs-primary);
}

/* ------- ステージ ------- */
#app-kinder-flash .kf-stage {
    max-width: 560px;
    margin: 0 auto;
    min-height: 300px;
    border-radius: var(--kf-round);
    background: var(--bs-body-tertiary, var(--bs-tertiary-bg));
    border: 3px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

/* カウントダウンの大きな数字 */
#app-kinder-flash .kf-countdown {
    font-size: clamp(3rem, 18vw, 6rem);
    font-weight: 900;
    color: var(--kids-accent-text, var(--bs-primary));
    animation: kf-count .8s ease;
}

#app-kinder-flash .kf-count-label {
    font-size: clamp(1.3rem, 6vw, 2rem);
    font-weight: 800;
    color: var(--bs-body-color);
    text-align: center;
}

/* 「なにが」モード: 覚える絵の列 */
#app-kinder-flash .kf-targets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    align-items: center;
}

#app-kinder-flash .kf-target-emoji {
    font-size: clamp(3rem, 14vw, 5rem);
    line-height: 1.25;
    animation: kf-appear .3s ease;
}

/* かくれた時のカバー表示 */
#app-kinder-flash .kf-hidden-msg {
    font-size: clamp(1.4rem, 6vw, 2rem);
    font-weight: 800;
    color: var(--bs-secondary-color);
    text-align: center;
}

#app-kinder-flash .kf-hidden-face {
    font-size: clamp(3rem, 14vw, 5rem);
    display: block;
    margin-bottom: 0.5rem;
}

/* 「なにが きえた？」モード: 残った絵の再表示 */
#app-kinder-flash .kf-gone-remain {
    position: relative;
    flex-direction: row;
}

#app-kinder-flash .kf-gone-hint {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 0.4rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--bs-secondary-color);
}

/* 「いくつ？」モード: ばらまいた絵 */
#app-kinder-flash .kf-count-scatter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.7rem;
    justify-content: center;
    align-items: center;
    max-width: 460px;
}

#app-kinder-flash .kf-count-emoji {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
    line-height: 1.25;
    animation: kf-appear .3s ease;
}

#app-kinder-flash .kf-count-answer {
    width: 100%;
    text-align: center;
    margin-top: 0.6rem;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--kids-accent-text, var(--bs-primary));
}

/* 「いくつ？」モード: 数字の選択肢 */
#app-kinder-flash .kf-numbers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 12px;
    max-width: 420px;
    margin-inline: auto;
}

#app-kinder-flash .kf-num {
    aspect-ratio: 1 / 1;
    border-radius: 18px;
    border: 3px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(2.2rem, 11vw, 3.4rem);
    font-weight: 900;
    cursor: pointer;
    user-select: none;
    min-height: 72px;
    transition: transform .1s ease, border-color .1s ease, background .1s ease;
}

#app-kinder-flash .kf-num:active {
    transform: scale(0.94);
}

#app-kinder-flash .kf-num.kf-selected {
    border-color: var(--bs-primary);
    border-width: 4px;
    background: color-mix(in srgb, var(--bs-primary) 18%, var(--bs-body-bg));
}

/* 正解ハイライト（まちがえた時のヒント） */
#app-kinder-flash .kf-hint-em {
    animation: kf-pop .45s ease;
}

#app-kinder-flash .kf-cell.kf-hint-cell {
    background: color-mix(in srgb, var(--bs-primary) 32%, var(--bs-body-bg));
    animation: kf-pop .45s ease;
}

/* 「どこに」モード: グリッド（ステージ内。既定3x3・上位は4x4） */
#app-kinder-flash .kf-grid3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    width: min(100%, 360px);
}

#app-kinder-flash .kf-grid3[data-size="4"] {
    gap: 8px;
}

#app-kinder-flash .kf-cell {
    aspect-ratio: 1 / 1;
    border-radius: 16px;
    background: var(--bs-body-bg);
    border: 3px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.8rem, 9vw, 3rem);
    cursor: pointer;
    user-select: none;
    transition: transform .1s ease, border-color .1s ease, background .1s ease;
    min-height: 60px;
}

#app-kinder-flash .kf-grid3[data-size="4"] .kf-cell {
    border-radius: 12px;
    font-size: clamp(1.3rem, 6.5vw, 2.2rem);
    min-height: 48px;
}

#app-kinder-flash .kf-cell.kf-show {
    background: color-mix(in srgb, var(--bs-primary) 18%, var(--bs-body-bg));
    border-color: var(--bs-primary);
}

#app-kinder-flash .kf-cell.kf-selectable:active {
    transform: scale(0.94);
}

#app-kinder-flash .kf-cell.kf-selected {
    background: color-mix(in srgb, var(--bs-primary) 30%, var(--bs-body-bg));
    border-color: var(--bs-primary);
    border-width: 4px;
}

#app-kinder-flash .kf-cell.kf-selected::after {
    content: "👆";
    font-size: 1.6rem;
}

/* 「じゅんばん」モード: 4つのパッド */
#app-kinder-flash .kf-pads {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    width: min(100%, 340px);
}

#app-kinder-flash .kf-pad {
    aspect-ratio: 1 / 1;
    border-radius: 20px;
    border: 4px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(2.2rem, 12vw, 3.4rem);
    cursor: pointer;
    user-select: none;
    min-height: 90px;
    background: var(--bs-body-bg);
    transition: transform .1s ease, box-shadow .12s ease, filter .12s ease;
}

#app-kinder-flash .kf-pad.kf-lit {
    transform: scale(1.06);
    filter: brightness(1.15);
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--kf-pad-color, var(--bs-primary)) 55%, transparent);
    border-color: var(--kf-pad-color, var(--bs-primary));
}

#app-kinder-flash .kf-pad.kf-tapok {
    animation: kf-pop .3s ease;
}

/* ------- 指示テキスト ------- */
#app-kinder-flash .kf-instruction {
    text-align: center;
    font-size: clamp(1.15rem, 5vw, 1.5rem);
    font-weight: 800;
    color: var(--bs-body-color);
    min-height: 2rem;
    margin: 0.9rem auto 0.4rem;
    max-width: 560px;
}

#app-kinder-flash .kf-instruction .kf-speak-inline {
    border: none;
    background: transparent;
    color: var(--kids-accent-text, var(--bs-primary));
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0 0.3rem;
    vertical-align: middle;
}

/* ------- 回答エリア（6択） ------- */
#app-kinder-flash .kf-answer {
    max-width: 560px;
    margin: 0.5rem auto 0;
}

#app-kinder-flash .kf-choices {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

#app-kinder-flash .kf-choice {
    aspect-ratio: 1 / 1;
    border-radius: 18px;
    border: 3px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(2rem, 10vw, 3.2rem);
    cursor: pointer;
    user-select: none;
    min-height: 72px;
    transition: transform .1s ease, border-color .1s ease, background .1s ease;
    position: relative;
}

#app-kinder-flash .kf-choice:active {
    transform: scale(0.94);
}

#app-kinder-flash .kf-choice.kf-selected {
    border-color: var(--bs-primary);
    border-width: 4px;
    background: color-mix(in srgb, var(--bs-primary) 18%, var(--bs-body-bg));
}

#app-kinder-flash .kf-choice.kf-selected::after {
    content: "✅";
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 1.2rem;
}

/* ------- 操作ボタンエリア ------- */
#app-kinder-flash .kf-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1rem;
}

/* やさしい「もういっかい」揺れ */
#app-kinder-flash .kf-wobble {
    animation: kf-wobble .5s ease;
}

/* ------- アニメーション ------- */
@keyframes kf-pop {
    0% { transform: scale(0.6); }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

@keyframes kf-appear {
    from { transform: scale(0.4); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes kf-count {
    0% { transform: scale(1.6); opacity: 0; }
    40% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.9; }
}

@keyframes kf-wobble {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px) rotate(-2deg); }
    40% { transform: translateX(10px) rotate(2deg); }
    60% { transform: translateX(-7px) rotate(-1deg); }
    80% { transform: translateX(7px) rotate(1deg); }
}

/* アニメを控えたい設定を尊重 */
@media (prefers-reduced-motion: reduce) {
    #app-kinder-flash * {
        animation-duration: .01ms !important;
    }
}

/* ------- レスポンシブ微調整 ------- */
@media (max-width: 575.98px) {
    #app-kinder-flash .kf-big-btn {
        width: 100%;
        min-width: 0;
    }
    #app-kinder-flash .kf-mode-card {
        min-height: 130px;
    }
}