/* =================================================================
 * かたちの合成・分解（図形パズル）固有スタイル
 * すべてのセレクタを #app-kids-zukeibunkai でスコープ
 * ================================================================= */

#app-kids-zukeibunkai {
    --zb-accent: #f0a500;
    --zb-accent-text: var(--kids-warm-text, #a06a00);   /* 文字に使うとき（白背景で読める濃さ） */
}

/* ---------- がんばりきろく ---------- */
#app-kids-zukeibunkai .zb-record-box {
    background: var(--bs-body-bg);
    border: 2px solid var(--bs-border-color);
    border-radius: 1rem;
    padding: 0.75rem 0.5rem;
}

#app-kids-zukeibunkai .zb-record-num {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--bs-body-color);
}

/* ---------- しんちょくバー ---------- */
#app-kids-zukeibunkai .zb-progress {
    border-radius: 0;
}

#app-kids-zukeibunkai .zb-progress .progress-bar {
    transition: width 0.35s ease;
}

/* ---------- といかけ ---------- */
#app-kids-zukeibunkai .zb-prompt {
    font-size: clamp(1.3rem, 5vw, 1.8rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--bs-body-color);
}

/* ---------- もんだいの ずけい（刺激） ---------- */
#app-kids-zukeibunkai .zb-stimulus {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 130px;
}

/* ピースの並び（＋つき） */
#app-kids-zukeibunkai .zb-pieces {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

#app-kids-zukeibunkai .zb-piece {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

#app-kids-zukeibunkai .zb-plus {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--kids-accent-text, var(--bs-primary));
    padding: 0 0.1rem;
}

#app-kids-zukeibunkai .zb-onefig {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ---------- SVG 図形の見た目（テーマ変数で light/dark 両対応） ---------- */
/* シルエット（完成形）: アクセント色で塗る */
#app-kids-zukeibunkai .zb-sil {
    fill: var(--zb-accent);
    stroke: var(--bs-body-color);
    stroke-width: 1.5;
    stroke-linejoin: round;
}

/* ピース（部品）: うすい塗り＋色の輪郭 */
#app-kids-zukeibunkai .zb-piece-poly {
    fill: rgba(124, 90, 195, 0.22);
    stroke: var(--bs-primary);
    stroke-width: 2.2;
    stroke-linejoin: round;
}

/* もとの図形（分割される図形）: うすい面 */
#app-kids-zukeibunkai .zb-base {
    fill: rgba(240, 165, 0, 0.16);
    stroke: var(--bs-body-color);
    stroke-width: 1.8;
    stroke-linejoin: round;
}

/* 分割線 */
#app-kids-zukeibunkai .zb-cut {
    stroke: var(--bs-danger);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 6 4;
}

/* タイル分けの分割線（モードD・なんまい？） */
#app-kids-zukeibunkai .zb-tile-line {
    fill: none;
    stroke: var(--bs-body-color);
    stroke-width: 1.8;
    stroke-linejoin: round;
    opacity: 0.85;
}

/* 数字の選択肢（モードD） */
#app-kids-zukeibunkai .zb-num {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1;
    color: var(--bs-body-color);
}

/* ---------- 収まりアニメ（ピースがシルエットへ合体） ---------- */
#app-kids-zukeibunkai .zb-settle {
    max-width: 150px;
}

#app-kids-zukeibunkai .zb-settle-outline {
    fill: none;
    stroke: var(--bs-body-color);
    stroke-width: 2;
    stroke-linejoin: round;
    stroke-dasharray: 4 3;
    opacity: 0.7;
}

#app-kids-zukeibunkai .zb-settle-piece {
    stroke: var(--bs-primary);
    stroke-width: 2;
    stroke-linejoin: round;
    transform-box: fill-box;
    transform-origin: center;
    transition: transform 0.55s cubic-bezier(0.22, 0.9, 0.3, 1);
}

#app-kids-zukeibunkai .zb-settle-p0 { fill: rgba(124, 90, 195, 0.55); }
#app-kids-zukeibunkai .zb-settle-p1 { fill: rgba(240, 165, 0, 0.55); }
#app-kids-zukeibunkai .zb-settle-p2 { fill: rgba(45, 156, 219, 0.52); }
#app-kids-zukeibunkai .zb-settle-p3 { fill: rgba(39, 174, 96, 0.52); }

@media (prefers-reduced-motion: reduce) {
    #app-kids-zukeibunkai .zb-settle-piece {
        transition: none;
    }
}

/* ---------- せんたくし ---------- */
#app-kids-zukeibunkai .zb-choices {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
}

/* モードC（3択）は横1列に */
#app-kids-zukeibunkai .zb-choices.zb-choices-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 520px;
}

#app-kids-zukeibunkai .zb-choice {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bs-body-bg);
    border: 3px solid var(--bs-border-color);
    border-radius: 1rem;
    padding: 0.6rem;
    min-height: 96px;
    cursor: pointer;
    transition: transform 0.08s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

@media (hover: hover) { #app-kids-zukeibunkai .zb-choice:hover:not(:disabled) {
    border-color: var(--bs-primary);
    box-shadow: 0 2px 10px rgba(124, 90, 195, 0.2);
} }

#app-kids-zukeibunkai .zb-choice:active:not(:disabled) {
    transform: translateY(2px);
}

#app-kids-zukeibunkai .zb-choice.is-correct {
    border-color: var(--bs-success);
    background: rgba(var(--bs-success-rgb), 0.14);
    box-shadow: 0 0 0 3px rgba(var(--bs-success-rgb), 0.25);
}

#app-kids-zukeibunkai .zb-choice.is-wrong {
    border-color: var(--bs-danger);
    background: rgba(220, 53, 69, 0.12);
    opacity: 0.75;
}

#app-kids-zukeibunkai .zb-choice:disabled {
    cursor: default;
}

#app-kids-zukeibunkai .zb-choice svg {
    display: block;
    width: 100%;
    height: auto;
    max-width: 96px;
}

/* ---------- はんてい メッセージ ---------- */
#app-kids-zukeibunkai .zb-feedback {
    text-align: center; /* 演出は画面の中央に出す */
    min-height: 2.2rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0.4rem 0;
    line-height: 1.2;
}

#app-kids-zukeibunkai .zb-feedback.is-correct {
    color: var(--bs-success);
}

#app-kids-zukeibunkai .zb-feedback.is-wrong {
    color: var(--bs-danger);
}

/* ---------- まちがえたときの1ぎょうヒント ---------- */
#app-kids-zukeibunkai .zb-explain {
    min-height: 0;
    max-width: 460px;
    margin: 0 auto;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--bs-body-color);
    background: rgba(240, 165, 0, 0.14);
    border-radius: 0.75rem;
    padding: 0 0.75rem;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.2s ease, max-height 0.25s ease, padding 0.2s ease;
}

#app-kids-zukeibunkai .zb-explain.is-show {
    opacity: 1;
    max-height: 8rem;
    padding: 0.5rem 0.75rem;
}

/* ---------- 結果の自己ベスト行 ---------- */
#app-kids-zukeibunkai .zb-result-best {
    font-size: 1rem;
    font-weight: 700;
    color: var(--bs-body-color);
}

/* ---------- アニメーション ---------- */
@keyframes zb-pop {
    0% { transform: scale(0.4); opacity: 0; }
    60% { transform: scale(1.25); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

#app-kids-zukeibunkai .zb-feedback.is-animate {
    animation: zb-pop 0.4s ease;
}

@keyframes zb-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-7px); }
    75% { transform: translateX(7px); }
}

#app-kids-zukeibunkai .zb-stimulus.is-shake {
    animation: zb-shake 0.35s ease;
}

/* ---------- けっか ---------- */
#app-kids-zukeibunkai .zb-result-emoji {
    font-size: clamp(3.5rem, 16vw, 5rem);
    line-height: 1.25;
    margin-bottom: 0.5rem;
    animation: zb-pop 0.5s ease;
}

#app-kids-zukeibunkai .zb-result-box {
    background: var(--bs-body-tertiary-bg, var(--bs-tertiary-bg));
    border: 2px solid var(--bs-border-color);
    border-radius: 1rem;
    padding: 0.9rem 0.5rem;
}

#app-kids-zukeibunkai .zb-result-num {
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--bs-body-color);
}

#app-kids-zukeibunkai .zb-result-marks {
    font-size: 1.6rem;
    letter-spacing: 0.15em;
    word-break: break-word;
}

/* ---------- モバイル微調整 ---------- */
@media (max-width: 575.98px) {
    #app-kids-zukeibunkai .zb-choices {
        gap: 0.5rem;
        max-width: 340px;
    }

    #app-kids-zukeibunkai .zb-choices.zb-choices-3 {
        max-width: 360px;
        gap: 0.4rem;
    }

    #app-kids-zukeibunkai .zb-choice {
        min-height: 80px;
        padding: 0.4rem;
    }

    #app-kids-zukeibunkai .zb-choice svg {
        max-width: 76px;
    }
}