/* ----------------------------------------------------
    Tricolore Aspect - Custom Design
    ---------------------------------------------------- */

:root {
    /* サイト定義の変数を利用 */
    --game-bg-color: var(--white-primary);
    --game-text-color: var(--black-primary);
    --game-border-color: var(--gray-primary);
    
    /* ゲーム用カラー定義 */
    --game-red: var(--accent-primary);
    --game-blue: #7491b1;
    --game-green: #3d4f39;
    --game-gold: #c5a000;
    
    --board-cell-bg: #F2F4F6;
}

/* ----------------------------------------------------
    レイアウト調整
    ---------------------------------------------------- */
.page-title {
    margin-bottom: 30px;
}

.page-title + .page-description {
    margin-top: 0; 
}

/* ----------------------------------------------------
    ゲームエリア
    ---------------------------------------------------- */
.game-wrapper {
    background-color: var(--game-bg-color);
    color: var(--game-text-color);
    padding: 40px;
    border-radius: 4px;
    border: 1px solid var(--game-border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    position: relative;
    z-index: 1;
    margin-bottom: 60px;
}

.game-container { 
    display: flex; 
    gap: 40px; 
    margin-top: 20px; 
    flex-wrap: wrap; 
    justify-content: center; 
    align-items: flex-start; /* 上揃え */
}

/* -------------------------
    Panels (左側・右側)
    ------------------------- */
.left-panel, .right-panel {
    width: 260px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ターン表示 */
.turn-indicator { 
    font-size: 18px; 
    font-weight: bold;
    padding: 10px 0 15px 0; 
    border-bottom: 2px solid var(--game-border-color);
    text-align: left;
    transition: all 0.3s;
}
.turn-a { color: var(--game-blue); border-color: var(--game-blue); }
.turn-b { color: var(--game-red); border-color: var(--game-red); }
.turn-win { color: var(--game-gold); border-color: var(--game-gold); }
.turn-lose { color: var(--game-border-color); border-color: var(--game-border-color); }

/* ルール説明エリア */
.rules-summary { 
    font-size: 13px; 
    line-height: 1.7; 
    color: var(--game-text-color);
    background: rgba(0,0,0,0.03); 
    padding: 15px;
    border-radius: 4px;
}

.color-red { color: var(--game-red); font-weight: bold; }
.color-blue { color: var(--game-blue); font-weight: bold; }
.color-green { color: var(--game-green); font-weight: bold; }

/* リーダーボード */
.leaderboard-section {
    border: 1px solid var(--game-border-color);
    border-radius: 4px;
    padding: 15px;
    background: #fff;
}
.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--game-border-color);
}
.leaderboard-title {
    font-size: 13px;
    font-weight: bold;
    color: var(--game-text-color);
}

/* タブ切り替え */
.leaderboard-tabs {
    display: flex;
    gap: 4px;
}
.tab-btn {
    background: transparent;
    border: 1px solid var(--game-border-color);
    border-radius: 2px;
    font-size: 10px;
    padding: 2px 5px;
    cursor: pointer;
    color: #888;
}
.tab-btn.active {
    background: var(--game-blue);
    color: white;
    border-color: var(--game-blue);
}

.leaderboard-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 12px;
    min-height: 150px; 
}
.leaderboard-list li {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px dotted var(--game-border-color);
    align-items: center;
}
.leaderboard-list li:last-child { border-bottom: none; }

.rank-num { font-weight: bold; width: 20px; color: var(--game-blue); }
.player-info { flex-grow: 1; text-align: left; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; padding-right: 5px;}
.player-date { font-size: 9px; color: #999; margin-left: 5px;}
.score-val { font-weight: bold; white-space: nowrap;}

/* 登録フォーム */
.registration-area {
    background: #fffbe6;
    border: 1px solid #ffe58f;
    padding: 15px;
    border-radius: 4px;
    animation: fadeIn 0.5s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

.reg-title { font-size: 13px; font-weight: bold; margin-bottom: 8px; color: var(--game-gold); }
.reg-input-group { display: flex; gap: 5px; }
.reg-input { 
    flex-grow: 1; padding: 6px; font-size: 13px; 
    border: 1px solid #ccc; border-radius: 2px; 
    width: 100%; /* box-sizing対応 */
}

/* コントロールパネル */
.control-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ★ ヘルプボタン用のコンテナとスタイルを追加 */
.label-row {
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative; /* ポップアップの基準位置 */
    margin-bottom: 4px;
}

.input-group label {
    font-size: 12px;
    font-weight: bold;
    display: block;
    /* margin-bottom: 4px; ← .label-rowで制御するため削除または上書き */
    margin-bottom: 0; 
    color: var(--game-text-color);
    opacity: 0.8;
}

/* 「？」ボタン */
.help-btn {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid #ccc; /* 薄灰色 */
    background-color: transparent; /* 背景なし */
    color: #ccc; /* 文字色も薄灰色 */
    font-size: 11px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    transition: color 0.3s, border-color 0.3s;
}

.help-btn:hover {
    border-color: #999;
    color: #999;
}

/* ポップアップウィンドウ */
.help-popup {
    display: none; /* デフォルトは非表示 */
    position: absolute;
    top: 25px; /* ボタンの下に表示 */
    left: 0;
    width: 220px;
    
    /* 背景：半透明の灰色 */
    background-color: rgba(230, 230, 230, 0.95); 
    color: black; /* 文字色：黒 */
    
    padding: 10px;
    border-radius: 6px; /* 少し角丸 */
    font-size: 11px;
    line-height: 1.5;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    
    /* ぼんやり出現させるアニメーション */
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none; /* 非表示時はクリックを阻害しない */
}

.help-popup.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

select.game-select {
    padding: 10px;
    width: 100%;
    font-size: 14px;
    border: 1px solid var(--game-border-color);
    border-radius: 2px;
    background-color: var(--game-bg-color);
    color: var(--game-text-color);
    cursor: pointer;
}
select.game-select:focus {
    outline: none;
    border-color: var(--game-blue);
}

button.game-btn { 
    padding: 12px 0; 
    width: 100%;
    font-size: 14px; 
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer; 
    background: transparent; 
    color: var(--game-text-color); 
    border: 1px solid var(--game-text-color); 
    border-radius: 2px;
    transition: all 0.3s ease;
}
button.game-btn:hover { 
    background: var(--game-text-color); 
    color: var(--game-bg-color); 
}

/* 登録ボタン用アクセント */
button.game-btn.accent-btn {
    background: var(--game-blue);
    color: white;
    border-color: var(--game-blue);
}
button.game-btn.accent-btn:hover {
    background: #4a5f75;
}

#message-area { 
    min-height: 20px; 
    font-size: 13px;
    color: var(--game-red); 
    font-weight: bold; 
    text-align: left; 
}

/* -------------------------
    Board (盤面)
    ------------------------- */
.board { 
    display: grid; 
    grid-template-columns: repeat(5, 70px); 
    grid-template-rows: repeat(5, 70px); 
    gap: 12px; 
    background-color: transparent; 
    user-select: none;
}

.cell {
    width: 70px; height: 70px;
    background-color: var(--board-cell-bg);
    border-radius: 4px;
    position: relative;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s;
}

.cell.highlight { 
    background-color: var(--white-primary);
    border: 2px dashed var(--accent-secondary); 
    box-sizing: border-box;
}

/* -------------------------
    Cube (駒)
    ------------------------- */
.cube {
    width: 50px; height: 50px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: none;
    color: white;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cube.selected { 
    transform: scale(1.15); 
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    z-index: 10; 
}

.bg-red { background-color: var(--game-red); }
.bg-blue { background-color: var(--game-blue); }
.bg-green { background-color: var(--game-green); }

.cube-owner {
    font-size: 16px;
    font-weight: normal;
    color: rgba(255,255,255, 0.95);
}

/* インジケーター */
.indicator { 
    position: absolute; 
    width: 8px; height: 8px; 
    border-radius: 50%; 
    border: none;
    opacity: 0.9;
}
.ind-top { top: 4px; left: 50%; transform: translateX(-50%); } 
.ind-bottom { bottom: 4px; left: 50%; transform: translateX(-50%); } 
.ind-left { left: 4px; top: 50%; transform: translateY(-50%); }
.ind-right { right: 4px; top: 50%; transform: translateY(-50%); }

.cube.locked { 
    filter: grayscale(0.8) opacity(0.7); 
    cursor: not-allowed; 
}
.cube.locked::after { 
    content: ''; 
    position: absolute;
    width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 17a2 2 0 1 0 0-4 2 2 0 0 0 0 4zm6-9h-1V6a5 5 0 0 0-10 0v2H6a2 2 0 0 0-2 2v10a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V10a2 2 0 0 0-2-2zM9 6a3 3 0 1 1 6 0v2H9V6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 24px;
    opacity: 0.8;
}

@media (max-width: 980px) {
    .game-container { 
        flex-direction: column; 
        align-items: center; /* 縦並び時は中央寄せ */
    }
    /* スマホ等では盤面を一番上に持ってくる */
    .board { order: 1; margin-bottom: 20px; }
    .left-panel { order: 2; width: 100%; max-width: 400px; }
    .right-panel { order: 3; width: 100%; max-width: 400px; }
}

@media (max-width: 600px) {
    .game-wrapper { padding: 30px 15px; }
    .board { 
        grid-template-columns: repeat(5, 55px); 
        grid-template-rows: repeat(5, 55px); 
        gap: 8px;
    }
    .cell { width: 55px; height: 55px; }
    .cube { width: 42px; height: 42px; }
    .game-container { gap: 30px; }
}