/* =================================================================
   カタカナタッチ（kinder-katakana）ツール固有CSS
   すべて #app-kinder-katakana でスコープ
   色はハードコードせず CSS 変数 / Bootstrap 変数を使う
   ================================================================= */

#app-kinder-katakana {
    --kt-accent: var(--kids-accent-text, var(--bs-primary));
    --kt-card-bg: var(--bs-body-bg);
    --kt-card-border: var(--bs-border-color);
}

/* ---------- ツールバー ---------- */
#app-kinder-katakana .kt-toolbar .kt-badge {
    font-size: 0.9rem;
    font-weight: 700;
    background: var(--bs-body-tertiary-bg, var(--bs-tertiary-bg));
    border: 1px solid var(--bs-border-color);
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    white-space: nowrap;
}

/* ---------- モードえらび ---------- */
#app-kinder-katakana .kt-menu {
    max-width: 760px;
    margin: 0 auto;
}

#app-kinder-katakana .kt-mode-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 1.4rem 1rem;
    min-height: 150px;
    border: 3px solid var(--bs-border-color);
    border-radius: 1.25rem;
    background: var(--kt-card-bg);
    color: var(--bs-body-color);
    transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
    cursor: pointer;
}

#app-kinder-katakana .kt-mode-card:focus-visible {
    border-color: var(--kt-accent);
    box-shadow: 0 6px 18px rgba(124, 90, 195, 0.25);
    transform: translateY(-3px);
    outline: none;
}

@media (hover: hover) { #app-kinder-katakana .kt-mode-card:hover {
    border-color: var(--kt-accent);
    box-shadow: 0 6px 18px rgba(124, 90, 195, 0.25);
    transform: translateY(-3px);
    outline: none;
} }

#app-kinder-katakana .kt-mode-card:active {
    transform: translateY(0) scale(0.98);
}

#app-kinder-katakana .kt-mode-emoji {
    font-size: 2.6rem;
    line-height: 1.25;
}

#app-kinder-katakana .kt-mode-title {
    font-size: 1.35rem;
    font-weight: 800;
}

#app-kinder-katakana .kt-mode-desc {
    font-size: 0.9rem;
    color: var(--bs-secondary-color);
}

/* いま あそべる もじ グリッド */
#app-kinder-katakana .kt-progress-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
    max-width: 520px;
}

#app-kinder-katakana .kt-progress-grid .kt-pg-cell {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    border-radius: 0.6rem;
    border: 2px solid var(--bs-border-color);
    background: var(--bs-body-tertiary-bg, var(--bs-tertiary-bg));
}

#app-kinder-katakana .kt-progress-grid .kt-pg-cell.locked {
    opacity: 0.3;
    filter: grayscale(1);
}

#app-kinder-katakana .kt-progress-grid .kt-pg-cell.open {
    border-color: var(--kt-accent);
    color: var(--kt-accent);
}

/* ---------- プレイエリア ---------- */
#app-kinder-katakana .kt-play {
    max-width: 760px;
    margin: 0 auto;
}

/* セット進捗ドット */
#app-kinder-katakana .kt-set-progress {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

#app-kinder-katakana .kt-set-progress .kt-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bs-border-color);
    transition: transform 0.2s ease, background 0.2s ease;
}

#app-kinder-katakana .kt-set-progress .kt-dot.done {
    background: var(--bs-warning);
    transform: scale(1.15);
}

/* 出題ステージ */
#app-kinder-katakana .kt-stage {
    text-align: center;
    padding: 1.5rem 1rem;
    margin-bottom: 1rem;
    border-radius: 1.25rem;
    background: var(--bs-body-tertiary-bg, var(--bs-tertiary-bg));
    border: 2px solid var(--bs-border-color);
    min-height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

#app-kinder-katakana .kt-stage .kt-q-lead {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--bs-body-color);
}

/* 見本の大きな文字（音声非対応時 / あたまのもじ の絵） */
#app-kinder-katakana .kt-stage .kt-sample {
    font-size: clamp(4rem, 22vw, 7rem);
    font-weight: 900;
    line-height: 1;
    color: var(--kt-accent);
}

#app-kinder-katakana .kt-stage .kt-sample-emoji {
    font-size: clamp(4rem, 22vw, 6.5rem);
    line-height: 1.25;
}

#app-kinder-katakana .kt-stage .kt-sample-word {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    color: var(--bs-body-color);
}

/* ---------- 選択肢 ---------- */
#app-kinder-katakana .kt-choices {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 620px;
    margin: 0 auto;
}

/* あたまのもじ は3択 → 横3列 */
#app-kinder-katakana .kt-choices.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

#app-kinder-katakana .kt-card {
    -webkit-appearance: none;
    appearance: none;
    border: 3px solid var(--bs-border-color);
    background: var(--kt-card-bg);
    color: var(--bs-body-color);
    border-radius: 1.1rem;
    min-height: 96px;
    padding: 0.75rem;
    font-size: clamp(2.4rem, 12vw, 3.6rem);
    font-weight: 900;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.1s ease, border-color 0.1s ease, box-shadow 0.1s ease;
    touch-action: manipulation;
}

#app-kinder-katakana .kt-choices.cols-3 .kt-card {
    font-size: clamp(2rem, 10vw, 3rem);
    min-height: 84px;
}

#app-kinder-katakana .kt-card:focus-visible {
    border-color: var(--kt-accent);
    outline: none;
}

@media (hover: hover) { #app-kinder-katakana .kt-card:hover {
    border-color: var(--kt-accent);
    outline: none;
} }

#app-kinder-katakana .kt-card:active {
    transform: scale(0.95);
}

/* 正解カード演出 */
#app-kinder-katakana .kt-card.is-correct {
    border-color: var(--bs-success);
    box-shadow: 0 0 0 4px rgba(var(--bs-success-rgb), 0.25);
    animation: kt-pop 0.45s ease;
}

/* まちがい: 赤やバツは使わず やさしく揺らす */
#app-kinder-katakana .kt-card.is-wrong {
    animation: kt-wobble 0.5s ease;
}

@keyframes kt-pop {
    0% { transform: scale(1); }
    45% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

@keyframes kt-wobble {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-7px) rotate(-2deg); }
    40% { transform: translateX(7px) rotate(2deg); }
    60% { transform: translateX(-5px) rotate(-1deg); }
    80% { transform: translateX(5px) rotate(1deg); }
}

/* ---------- えさがし の絵カード ---------- */
#app-kinder-katakana .kt-card.kt-pic {
    flex-direction: column;
    gap: 0.35rem;
    min-height: 120px;
    padding: 0.9rem 0.5rem;
}

#app-kinder-katakana .kt-card.kt-pic .kt-pic-emoji {
    font-size: clamp(2.6rem, 13vw, 3.6rem);
    line-height: 1.25;
}

#app-kinder-katakana .kt-card.kt-pic .kt-pic-word {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--bs-body-color);
}

/* ---------- まちがえたときの やさしい1行ヒント ---------- */
#app-kinder-katakana .kt-hint {
    min-height: 1.4rem;
    max-width: 620px;
    margin: -0.25rem auto 0.75rem;
    text-align: center;
    font-weight: 700;
    color: var(--kt-accent);
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

#app-kinder-katakana .kt-hint.show {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- もじとえあわせ（神経衰弱） ---------- */
#app-kinder-katakana .kt-choices.kt-memory {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 560px;
}

#app-kinder-katakana .kt-mcard {
    position: relative;
    aspect-ratio: 3 / 4;
    min-height: 96px;
    border: none;
    background: transparent;
    padding: 0;
    perspective: 700px;
    cursor: pointer;
    touch-action: manipulation;
}

#app-kinder-katakana .kt-mcard-inner {
    position: absolute;
    inset: 0;
    transition: transform 0.4s ease;
    transform-style: preserve-3d;
}

#app-kinder-katakana .kt-mcard.flipped .kt-mcard-inner,
#app-kinder-katakana .kt-mcard.matched .kt-mcard-inner {
    transform: rotateY(180deg);
}

#app-kinder-katakana .kt-mcard-face {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border: 3px solid var(--bs-border-color);
}

#app-kinder-katakana .kt-mcard-front {
    background: var(--kt-accent);
    color: #fff;
    font-size: 2rem;
    border-color: var(--kt-accent);
}

#app-kinder-katakana .kt-mcard-back {
    background: var(--kt-card-bg);
    color: var(--bs-body-color);
    transform: rotateY(180deg);
    flex-direction: column;
    gap: 0.2rem;
}

#app-kinder-katakana .kt-mcard-back .kt-mb-kana {
    font-size: clamp(2.2rem, 11vw, 3.2rem);
    font-weight: 900;
    line-height: 1;
    color: var(--kt-accent);
}

#app-kinder-katakana .kt-mcard-back .kt-mb-emoji {
    font-size: clamp(2.4rem, 12vw, 3.4rem);
    line-height: 1.25;
}

#app-kinder-katakana .kt-mcard-back .kt-mb-word {
    font-size: 0.95rem;
    font-weight: 700;
}

#app-kinder-katakana .kt-mcard.matched {
    animation: kt-pop 0.45s ease;
}

#app-kinder-katakana .kt-mcard.matched .kt-mcard-back {
    border-color: var(--bs-success);
    box-shadow: 0 0 0 4px rgba(var(--bs-success-rgb), 0.2);
}

/* ---------- ごほうび演出 ---------- */
#app-kinder-katakana .kt-reward {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    pointer-events: none;
}

#app-kinder-katakana .kt-reward-inner {
    text-align: center;
    animation: kt-reward-in 0.35s ease;
}

#app-kinder-katakana .kt-reward-mark {
    font-size: clamp(5rem, 30vw, 9rem);
    line-height: 1;
    animation: kt-bounce 0.6s ease infinite alternate;
}

#app-kinder-katakana .kt-reward-char {
    font-size: clamp(3rem, 18vw, 5rem);
    line-height: 1;
    margin-top: -0.5rem;
}

#app-kinder-katakana .kt-reward-text {
    margin-top: 0.5rem;
    font-size: clamp(1.8rem, 9vw, 2.8rem);
    font-weight: 900;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

@keyframes kt-reward-in {
    from { transform: scale(0.6); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes kt-bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-16px); }
}

/* きらきら */
#app-kinder-katakana .kt-spark {
    position: fixed;
    z-index: 1081;
    font-size: 1.8rem;
    pointer-events: none;
    animation: kt-spark-fly 0.9s ease-out forwards;
}

@keyframes kt-spark-fly {
    0% { transform: translate(0, 0) scale(0.4); opacity: 1; }
    100% { transform: translate(var(--dx), var(--dy)) scale(1.3); opacity: 0; }
}

/* アニメーションを控えたい利用者向け */
@media (prefers-reduced-motion: reduce) {
    #app-kinder-katakana * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

/* ---------- モバイル ---------- */
@media (max-width: 575.98px) {
    #app-kinder-katakana .kt-mode-card {
        min-height: 120px;
        padding: 1.1rem 0.75rem;
    }
    #app-kinder-katakana .kt-choices {
        gap: 0.7rem;
    }
    #app-kinder-katakana .kt-card {
        min-height: 84px;
    }
}