/* =================================================================
 * えあわせカード（kinder-pairs）ツール固有スタイル
 * すべて #app-kinder-pairs にスコープ。ライト/ダーク両対応。
 * ================================================================= */

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

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

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

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

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

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

#app-kinder-pairs .kp-sound-off {
    opacity: 0.5;
}

/* ---------- ホーム: あそびかた（モード）えらび ---------- */
#app-kinder-pairs .kp-mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    width: 100%;
    min-height: 112px;
    padding: 0.85rem 0.4rem;
    border: 3px solid var(--bs-border-color);
    border-radius: var(--kp-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, background-color 0.12s ease;
    cursor: pointer;
}

#app-kinder-pairs .kp-mode-btn:focus-visible {
    border-color: var(--bs-primary);
    box-shadow: 0 6px 16px rgba(124, 90, 195, 0.16);
    transform: translateY(-2px);
    outline: none;
}

@media (hover: hover) { #app-kinder-pairs .kp-mode-btn:hover {
    border-color: var(--bs-primary);
    box-shadow: 0 6px 16px rgba(124, 90, 195, 0.16);
    transform: translateY(-2px);
    outline: none;
} }

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

/* えらばれているモード */
#app-kinder-pairs .kp-mode-btn.kp-mode-selected {
    border-color: var(--bs-primary);
    background: var(--bs-primary-bg-subtle);
    box-shadow: 0 4px 12px rgba(124, 90, 195, 0.22);
}

#app-kinder-pairs .kp-mode-emoji { font-size: 2rem; line-height: 1.25; }
#app-kinder-pairs .kp-mode-title { font-weight: 800; font-size: clamp(0.95rem, 3.4vw, 1.1rem); line-height: 1.15; }
#app-kinder-pairs .kp-mode-sub { font-size: clamp(0.62rem, 2.4vw, 0.75rem); color: var(--bs-secondary-color); line-height: 1.2; }

/* ---------- ホーム: むずかしさえらび ---------- */
#app-kinder-pairs .kp-level-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(--kp-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-pairs .kp-level-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-pairs .kp-level-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-pairs .kp-level-btn:active {
    transform: scale(0.97);
}

#app-kinder-pairs .kp-level-emoji { font-size: 2.8rem; line-height: 1.25; }
#app-kinder-pairs .kp-level-title { font-weight: 800; font-size: clamp(1rem, 3.6vw, 1.2rem); line-height: 1.2; }
#app-kinder-pairs .kp-level-sub { font-size: 0.78rem; color: var(--bs-secondary-color); }

/* 選んだモードのバンクでは作れないまいすう（安全網。通常は発生しない） */
#app-kinder-pairs .kp-level-btn.kp-level-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(0.4);
}
#app-kinder-pairs .kp-level-btn.kp-level-disabled:focus-visible {
    border-color: var(--bs-border-color);
    box-shadow: none;
    transform: none;
}

@media (hover: hover) { #app-kinder-pairs .kp-level-btn.kp-level-disabled:hover {
    border-color: var(--bs-border-color);
    box-shadow: none;
    transform: none;
} }

/* ---------- 出題パネル ---------- */
#app-kinder-pairs .kp-ask-panel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    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-pairs .kp-ask-label {
    font-size: clamp(1rem, 4.5vw, 1.3rem);
    font-weight: 900;
    color: var(--kids-accent-text, var(--bs-primary));
}

#app-kinder-pairs .kp-ask-progress {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--bs-secondary-color);
}

/* ---------- カード盤面 ---------- */
#app-kinder-pairs .kp-board {
    display: grid;
    gap: 0.9rem;
    justify-content: center;
    margin: 0 auto;
    max-width: 100%;
}

/* 枚数に応じた列数（カードを大きく保つ） */
#app-kinder-pairs .kp-board[data-count="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 360px; }
#app-kinder-pairs .kp-board[data-count="6"] { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 500px; }
#app-kinder-pairs .kp-board[data-count="8"] { grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 620px; }
#app-kinder-pairs .kp-board[data-count="10"] { grid-template-columns: repeat(5, minmax(0, 1fr)); max-width: 720px; }

/* せまい画面では 10まいを 4列に折り返してカードを大きく保つ */
@media (max-width: 480px) {
    #app-kinder-pairs .kp-board[data-count="10"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

#app-kinder-pairs .kp-card {
    position: relative;
    aspect-ratio: 3 / 4;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    perspective: 800px;
    min-height: 96px;
}

#app-kinder-pairs .kp-card-inner {
    position: absolute;
    inset: 0;
    transition: transform 0.55s cubic-bezier(0.34, 1.3, 0.5, 1);
    transform-style: preserve-3d;
}

#app-kinder-pairs .kp-card.flipped .kp-card-inner {
    transform: rotateY(180deg);
}

#app-kinder-pairs .kp-card-face {
    position: absolute;
    inset: 0;
    border-radius: 18px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.14);
    overflow: hidden;
}

/* おもて（伏せた面） */
#app-kinder-pairs .kp-card-cover {
    background: linear-gradient(140deg, #9d83d9, #7c5ac3);
    border: 4px solid rgba(255, 255, 255, 0.6);
}

#app-kinder-pairs .kp-cover-mark {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* うら（絵の面） */
#app-kinder-pairs .kp-card-reveal {
    transform: rotateY(180deg);
    background: var(--bs-body-bg);
    border: 4px solid var(--bs-primary-border-subtle);
    gap: 0.2rem;
}

#app-kinder-pairs .kp-card-emoji { font-size: clamp(2.2rem, 11vw, 3.4rem); line-height: 1.25; }
#app-kinder-pairs .kp-card-name { font-weight: 800; font-size: clamp(0.8rem, 3.2vw, 1rem); color: var(--bs-body-color); }

/* そろったカード */
#app-kinder-pairs .kp-card.kp-matched {
    pointer-events: none;
}
#app-kinder-pairs .kp-card.kp-matched .kp-card-reveal {
    border-color: var(--bs-warning);
    background: var(--bs-warning-bg-subtle);
    animation: kp-pop 0.5s ease;
}

/* ---------- 共通アニメーション ---------- */
@keyframes kp-pop {
    0% { transform: rotateY(180deg) scale(1); }
    40% { transform: rotateY(180deg) scale(1.14); }
    100% { transform: rotateY(180deg) scale(1); }
}

/* ---------- せいかい演出オーバーレイ ---------- */
#app-kinder-pairs .kp-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-pairs .kp-celebrate-inner {
    position: relative;
    text-align: center;
}

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

#app-kinder-pairs .kp-celebrate-text {
    font-size: clamp(1.5rem, 7.5vw, 2.6rem);
    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: kp-pop-text 0.6s ease 0.1s both;
}

@keyframes kp-pop-text {
    0% { transform: scale(1); }
    40% { transform: scale(1.18); }
    100% { transform: scale(1); }
}

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

/* 「なぜペアか」の一言ヒント（なかよし・へんしんモード） */
#app-kinder-pairs .kp-celebrate-hint {
    margin-top: 0.5rem;
    display: inline-block;
    max-width: min(88vw, 480px);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--kids-accent-text, var(--bs-primary));
    font-size: clamp(0.95rem, 4vw, 1.25rem);
    font-weight: 800;
    line-height: 1.3;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    animation: kp-pop-text 0.6s ease 0.15s both;
}

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

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

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

/* ---------- ボードクリア（シールゲット） ---------- */
#app-kinder-pairs .kp-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: kp-fade-in 0.25s ease;
}

#app-kinder-pairs .kp-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: kp-bounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#app-kinder-pairs .kp-clear-emoji { font-size: 4rem; line-height: 1.25; }
#app-kinder-pairs .kp-clear-title { font-size: 1.8rem; font-weight: 900; color: var(--kids-accent-text, var(--bs-primary)); margin-top: 0.3rem; }
#app-kinder-pairs .kp-clear-sub { color: var(--bs-secondary-color); font-weight: 700; }
#app-kinder-pairs .kp-clear-sticker { font-size: 3rem; margin: 0.6rem 0; animation: kp-sticker-pop 0.8s ease 0.3s both; }

@keyframes kp-sticker-pop {
    0% { transform: scale(0); }
    60% { transform: scale(1.25); }
    100% { transform: scale(1); }
}

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

/* スマホ: あそびを選ぶホーム画面を画面内に収める */