/* =================================================================
 * おとあて（kinder-sounds）ツール固有スタイル
 * すべて #app-kinder-sounds にスコープ。ライト/ダーク両対応。
 * ================================================================= */

#app-kinder-sounds {
    --ks-radius: 20px;
    -webkit-tap-highlight-color: transparent;
}

/* 画面切り替え */
#app-kinder-sounds .ks-screen {
    animation: ks-fade-in 0.25s ease;
}

@keyframes ks-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- 上部バー ---------- */
#app-kinder-sounds .ks-topbar {
    min-height: 52px;
}

#app-kinder-sounds .ks-sticker-box {
    display: inline-flex;
    align-items: baseline;
    gap: 0.3rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    background: var(--bs-warning-bg-subtle);
    border: 2px solid var(--bs-warning-border-subtle);
    font-size: 1.15rem;
}

#app-kinder-sounds .ks-sticker-star { font-size: 1.35rem; }
#app-kinder-sounds .ks-sticker-label { font-size: 0.85rem; color: var(--bs-secondary-color); }

#app-kinder-sounds .ks-icon-btn {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

#app-kinder-sounds .ks-sound-off {
    opacity: 0.5;
}

/* ---------- ホーム: モードえらび ---------- */
#app-kinder-sounds .ks-mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    min-height: 150px;
    padding: 1.2rem 0.75rem;
    border: 3px solid var(--bs-border-color);
    border-radius: var(--ks-radius);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
    cursor: pointer;
}

#app-kinder-sounds .ks-mode-btn:focus-visible {
    border-color: var(--bs-primary);
    box-shadow: 0 8px 20px rgba(124, 90, 195, 0.18);
    transform: translateY(-3px);
    outline: none;
}

@media (hover: hover) { #app-kinder-sounds .ks-mode-btn:hover {
    border-color: var(--bs-primary);
    box-shadow: 0 8px 20px rgba(124, 90, 195, 0.18);
    transform: translateY(-3px);
    outline: none;
} }

#app-kinder-sounds .ks-mode-btn:active {
    transform: scale(0.97);
}

#app-kinder-sounds .ks-mode-emoji { font-size: 2.8rem; line-height: 1.25; }
#app-kinder-sounds .ks-mode-title { font-weight: 800; font-size: clamp(0.95rem, 3.6vw, 1.15rem); }
#app-kinder-sounds .ks-mode-sub { font-size: 0.72rem; color: var(--bs-secondary-color); }

/* ---------- 出題パネル ---------- */
#app-kinder-sounds .ks-ask-panel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.4rem;
    /* 1行の 高さは 54px。**999px だと 2行に なった とたん たまご形に ふくらむ**
       （2026-09-04 実機で kinder/color に 指摘）。半分（27px）より すこし 大きい
       固定値に すれば、1行の ときは これまでどおり まるく、2行でも 形が くずれない */
    border-radius: 1.75rem;
    background: var(--bs-body-bg);
    border: 3px solid var(--bs-primary-border-subtle);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

#app-kinder-sounds .ks-ask-name {
    font-size: clamp(1.4rem, 6vw, 2.1rem);
    font-weight: 900;
    color: var(--kids-accent-text, var(--bs-primary));
}

/* 進捗ドット */
#app-kinder-sounds .ks-progress-dots {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
}

#app-kinder-sounds .ks-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bs-border-color);
    transition: transform 0.2s ease, background 0.2s ease;
}

#app-kinder-sounds .ks-dot.done { background: var(--bs-warning); }
#app-kinder-sounds .ks-dot.current { background: var(--bs-primary); transform: scale(1.3); }

/* ---------- おてほんボタン（モード④） ---------- */
#app-kinder-sounds .ks-ref-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: 999px;
    border: 3px solid var(--bs-primary-border-subtle);
    background: var(--bs-primary-bg-subtle);
    color: var(--bs-body-color);
    font-weight: 800;
    font-size: 1.05rem;
    cursor: pointer;
    transition: transform 0.12s ease;
}

#app-kinder-sounds .ks-ref-btn:active { transform: scale(0.96); }
#app-kinder-sounds .ks-ref-emoji { font-size: 1.5rem; line-height: 1.25; }
#app-kinder-sounds .ks-ref-btn.ks-playing {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 6px rgba(124, 90, 195, 0.18);
}

/* ---------- おと カード（2枚） ---------- */
#app-kinder-sounds .ks-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    max-width: 480px;
    margin: 0 auto;
}

#app-kinder-sounds .ks-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    /* width を 明示しないと、min-height から aspect-ratio が 幅を 逆算して
       グリッドの わく（175px）を こえ、画面から はみ出す。
       390px 幅で 200px に なり、右の カードが 13px 切れていた（2026-08-19） */
    width: 100%;
    aspect-ratio: 4 / 3;
    min-height: 150px;
    border-radius: var(--ks-radius);
    border: 4px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

/* 2枚のカードにやさしい配色差（回答のヒントにはならない装飾のみ） */
#app-kinder-sounds .ks-card-a { background: var(--bs-primary-bg-subtle); }
#app-kinder-sounds .ks-card-b { background: var(--bs-info-bg-subtle); }

#app-kinder-sounds .ks-card:active { transform: scale(0.96); }

#app-kinder-sounds .ks-card-num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--kids-accent-text, var(--bs-primary));
    line-height: 1;
}

#app-kinder-sounds .ks-card-icon {
    font-size: 1.8rem;
    color: var(--bs-secondary-color);
    transition: transform 0.2s ease, color 0.2s ease;
}

/* 再生中のパルス演出 */
#app-kinder-sounds .ks-card.ks-playing {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 6px rgba(124, 90, 195, 0.2);
    animation: ks-pulse 0.5s ease;
}

#app-kinder-sounds .ks-card.ks-playing .ks-card-icon {
    color: var(--kids-accent-text, var(--bs-primary));
    transform: scale(1.2);
}

@keyframes ks-pulse {
    0% { transform: scale(1); }
    45% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 音波アニメーション（再生中だけ動く） */
#app-kinder-sounds .ks-wave {
    display: inline-flex;
    align-items: flex-end;
    gap: 4px;
    height: 22px;
}

#app-kinder-sounds .ks-wave span {
    display: block;
    width: 5px;
    height: 6px;
    border-radius: 3px;
    background: var(--bs-secondary-color);
    opacity: 0.5;
}

#app-kinder-sounds .ks-playing .ks-wave span {
    background: var(--bs-primary);
    opacity: 1;
    animation: ks-wave-bounce 0.6s ease-in-out infinite;
}

#app-kinder-sounds .ks-playing .ks-wave span:nth-child(2) { animation-delay: 0.15s; }
#app-kinder-sounds .ks-playing .ks-wave span:nth-child(3) { animation-delay: 0.3s; }

@keyframes ks-wave-bounce {
    0%, 100% { height: 6px; }
    50% { height: 20px; }
}

/* 「この音だけ聞く」ボタン */
#app-kinder-sounds .ks-card-listen {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bs-body-bg);
    border: 2px solid var(--bs-border-color);
    color: var(--bs-secondary-color);
    font-size: 0.95rem;
    transition: transform 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

#app-kinder-sounds .ks-card-listen:active { transform: scale(0.9); }
@media (hover: hover) { #app-kinder-sounds .ks-card-listen:hover {
    color: var(--kids-accent-text, var(--bs-primary));
    border-color: var(--bs-primary);
} }

/* 正解カード / まちがい演出（責めない） */
#app-kinder-sounds .ks-card.ks-correct {
    border-color: var(--bs-primary);
    animation: ks-pop 0.5s ease;
    z-index: 2;
}

#app-kinder-sounds .ks-card.ks-answered { opacity: 0.4; }
#app-kinder-sounds .ks-card.ks-miss { animation: ks-wobble 0.5s ease; }

#app-kinder-sounds .ks-replay-btn { border-radius: 999px; }

/* ---------- 「どっちの おと？」（identify）の絵カード ---------- */
#app-kinder-sounds .ks-card-emoji {
    gap: 0.4rem;
}

#app-kinder-sounds .ks-emoji-big {
    font-size: clamp(2.8rem, 14vw, 4rem);
    line-height: 1.25;
}

#app-kinder-sounds .ks-emoji-label {
    font-size: clamp(0.95rem, 4vw, 1.2rem);
    font-weight: 800;
    color: var(--bs-body-color);
}

/* ---------- 「おとの じゅんばん」（order）のパッド ---------- */
#app-kinder-sounds .ks-cards-pads {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 360px;
    gap: 0.9rem;
}

#app-kinder-sounds .ks-pad {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    min-height: 96px;
    border-radius: var(--ks-radius);
    border: 4px solid rgba(0, 0, 0, 0.08);
    color: #fff;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

/* 4つのパッドをやさしい配色に（色は装飾で、正解のヒントにはならない） */
#app-kinder-sounds .ks-pad-0 { background: #ef8f6e; }
#app-kinder-sounds .ks-pad-1 { background: #f2c14e; }
#app-kinder-sounds .ks-pad-2 { background: #6ec177; }
#app-kinder-sounds .ks-pad-3 { background: #6aa9e0; }

#app-kinder-sounds .ks-pad:active { transform: scale(0.94); }

#app-kinder-sounds .ks-pad-num {
    font-size: 2.2rem;
    font-weight: 900;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#app-kinder-sounds .ks-pad.ks-playing {
    filter: brightness(1.15);
    box-shadow: 0 0 0 6px rgba(124, 90, 195, 0.25);
    transform: scale(1.05);
}

/* ---------- やさしいヒント（責めない1行解説） ---------- */
#app-kinder-sounds .ks-hint {
    max-width: 480px;
    margin: 1rem auto 0;
    padding: 0.6rem 1.1rem;
    border-radius: 16px;
    background: var(--bs-warning-bg-subtle);
    border: 2px solid var(--bs-warning-border-subtle);
    color: var(--bs-body-color);
    font-weight: 700;
    text-align: center;
    font-size: clamp(0.95rem, 3.6vw, 1.1rem);
    animation: ks-pop 0.4s ease;
}

/* ---------- 共通アニメーション ---------- */
@keyframes ks-pop {
    0% { transform: scale(1); }
    40% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

@keyframes ks-wobble {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px) rotate(-3deg); }
    40% { transform: translateX(8px) rotate(3deg); }
    60% { transform: translateX(-6px) rotate(-2deg); }
    80% { transform: translateX(6px) rotate(2deg); }
}

/* ---------- せいかい演出オーバーレイ ---------- */
#app-kinder-sounds .ks-celebrate {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.05);
}

#app-kinder-sounds .ks-celebrate-inner {
    position: relative;
    text-align: center;
}

#app-kinder-sounds .ks-celebrate-char {
    font-size: clamp(4rem, 22vw, 8rem);
    animation: ks-bounce 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#app-kinder-sounds .ks-celebrate-text {
    font-size: clamp(1.8rem, 9vw, 3rem);
    font-weight: 900;
    color: #fff;
    -webkit-text-stroke: 2px var(--bs-primary);
    paint-order: stroke fill;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    animation: ks-pop 0.6s ease 0.1s both;
}

@keyframes ks-bounce {
    0% { transform: scale(0) rotate(-30deg); }
    60% { transform: scale(1.25) rotate(8deg); }
    100% { transform: scale(1) rotate(0); }
}

#app-kinder-sounds .ks-sparkles {
    position: absolute;
    inset: -40px;
    pointer-events: none;
}

#app-kinder-sounds .ks-spark {
    position: absolute;
    left: 50%;
    top: 50%;
    font-size: 1.6rem;
    animation: ks-spark-fly 0.9s ease-out forwards;
}

@keyframes ks-spark-fly {
    0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; }
    100% { transform: translate(var(--dx), var(--dy)) scale(1.1); opacity: 0; }
}

/* ---------- セットクリア（シールゲット） ---------- */
#app-kinder-sounds .ks-clear-overlay {
    position: fixed;
    inset: 0;
    z-index: 1085;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.45);
    animation: ks-fade-in 0.25s ease;
}

#app-kinder-sounds .ks-clear-card {
    background: var(--bs-body-bg);
    border-radius: 26px;
    padding: 2rem 1.5rem;
    text-align: center;
    max-width: 360px;
    width: 100%;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: ks-bounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#app-kinder-sounds .ks-clear-emoji { font-size: 4rem; line-height: 1.25; }
#app-kinder-sounds .ks-clear-title { font-size: 2rem; font-weight: 900; color: var(--kids-accent-text, var(--bs-primary)); margin-top: 0.3rem; }
#app-kinder-sounds .ks-clear-sub { color: var(--bs-secondary-color); font-weight: 700; }
#app-kinder-sounds .ks-clear-sticker { font-size: 3rem; margin: 0.6rem 0; animation: ks-pop 0.8s ease 0.3s both; }

/* モーション低減設定を尊重 */
@media (prefers-reduced-motion: reduce) {
    #app-kinder-sounds * {
        animation-duration: 0.001s !important;
        transition-duration: 0.001s !important;
    }
}