/* game.css - 計算の迷宮のゲーム固有スタイル */

/* ゲームコンテナ */
.game-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* ゲームヘッダー */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.game-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

/* レベル選択 */
.level-selector {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.level-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    background: var(--secondary-color);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.level-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.level-btn.active {
    background: var(--accent-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* ゲーム情報表示 */
.game-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.timer, .score, .lives {
    padding: 8px 15px;
    background-color: var(--bg-accent);
    border-radius: 8px;
    font-weight: 600;
}

.timer {
    color: var(--accent-color);
}

.score {
    color: var(--primary-color);
}

.lives {
    color: var(--wrong-color);
}

/* 迷路コンテナ */
.maze-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    background-color: var(--bg-accent);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 迷路グリッド */
.maze-grid {
    display: grid;
    width: 100%;
    height: 100%;
    gap: 1px;
}

/* 迷路セル */
.maze-cell {
    position: relative;
    background-color: white;
    transition: background-color 0.3s ease;
}

.maze-wall {
    background-color: var(--game-border);
}

.maze-path {
    background-color: white;
}

.maze-start {
    background-color: #a8e6cf;
}

.maze-end {
    background-color: #ff8b94;
}

/* プレイヤーマーカー */
.player-marker {
    position: absolute;
    width: 70%;
    height: 70%;
    background-color: var(--primary-color);
    border-radius: 50%;
    top: 15%;
    left: 15%;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* 問題表示 */
.problem-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 20;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.problem-container.active {
    opacity: 1;
    pointer-events: all;
}

.problem-box {
    width: 80%;
    max-width: 400px;
    padding: 30px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    text-align: center;
    color: var(--text-color);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.problem-text {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.options-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.option-btn {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: white;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.option-btn:hover {
    background-color: var(--bg-accent);
    transform: translateY(-2px);
}

.option-btn.correct {
    background-color: var(--correct-color);
    color: white;
    border-color: var(--correct-color);
}

.option-btn.incorrect {
    background-color: var(--wrong-color);
    color: white;
    border-color: var(--wrong-color);
}

/* ゲームコントロール */
.game-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.control-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.control-btn.reset {
    background-color: var(--wrong-color);
}

.control-btn:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 結果モーダル */
.result-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.result-modal.active {
    opacity: 1;
    pointer-events: all;
}

.result-content {
    width: 90%;
    max-width: 500px;
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.5s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.result-stats {
    margin: 20px 0;
    font-size: 1.2rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
    padding: 8px 15px;
    background-color: var(--bg-accent);
    border-radius: 8px;
}

.result-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

/* 既存のgame.cssとの統合 */
#game-container {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius);
    padding: var(--container-padding);
}

/* 迷路キャンバス */
#maze-canvas {
    display: block;
    background-color: var(--panel-bg);
    border: 3px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    image-rendering: pixelated;
    cursor: crosshair;
    border-radius: var(--border-radius);
}

#maze-canvas:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* ゲームスタート画面 */
#start-screen {
    background: var(--panel-bg);
    border-radius: var(--border-radius);
    position: relative;
    box-shadow: var(--shadow-md);
}

/* 問題表示エリア */
#problem-display {
    background: var(--panel-bg);
    border: 3px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    animation: problemSlideIn 0.3s ease-out;
    max-width: 500px;
    z-index: 1000;
    border-radius: var(--border-radius);
}

@keyframes problemSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

#problem-text {
    color: var(--text-color);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* 選択肢ボタン */
.answer-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 1.125rem;
    border: 2px solid transparent;
    background-color: var(--panel-bg);
    color: var(--text-color);
    border-radius: var(--border-radius);
}

.answer-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    border-color: var(--primary-color);
}

.answer-btn:active {
    transform: translateY(0);
}

.answer-btn.correct {
    background: var(--correct-color);
    color: white;
    animation: correctGlow 2s;
}

.answer-btn.incorrect {
    background: var(--wrong-color);
    color: white;
    animation: wrongShake 0.5s;
}

/* アニメーション */
.cell-highlight {
    animation: highlightCell 1s infinite;
}

@keyframes highlightCell {
    0% { 
        box-shadow: inset 0 0 0 3px var(--accent-color);
    }
    50% {
        box-shadow: inset 0 0 0 6px var(--accent-color);
    }
    100% {
        box-shadow: inset 0 0 0 3px var(--accent-color);
    }
}

.correct-answer {
    animation: correctGlow 2s;
}

@keyframes correctGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(46, 204, 113, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(46, 204, 113, 0);
    }
}

.wrong-answer {
    animation: wrongShake 0.5s;
}

@keyframes wrongShake {
    0%, 100% {
        transform: translateX(0);
    }
    20%, 60% {
        transform: translateX(-5px);
    }
    40%, 80% {
        transform: translateX(5px);
    }
}

/* 迷路内パス表示のためのスタイル */
.visited-path {
    position: relative;
}

.visited-path::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(46, 204, 113, 0.3);
    z-index: 1;
}

/* ヒント表示 */
.hint-highlight {
    background-color: rgba(243, 156, 18, 0.3) !important;
    animation: hintPulse 2s infinite;
}

@keyframes hintPulse {
    0%, 100% {
        background-color: rgba(243, 156, 18, 0.3);
    }
    50% {
        background-color: rgba(243, 156, 18, 0.6);
    }
}

/* 特殊セル */
.bonus-cell {
    background-color: rgba(138, 43, 226, 0.2);
}

.bonus-cell::after {
    content: '★';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: purple;
    font-size: 1rem;
}

.shortcut-cell {
    background-color: rgba(0, 191, 255, 0.2);
}

.shortcut-cell::after {
    content: '↗';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: deepskyblue;
    font-size: 1.2rem;
}

/* レベル達成バッジ */
.level-badge {
    display: inline-block;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    margin-left: 5px;
    background-color: #ccc;
}

.level-badge.completed {
    background-color: gold;
}

/* 問題難易度表示 */
.difficulty-indicator {
    margin-top: 5px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.difficulty-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin: 0 2px;
    background-color: #ccc;
}

.difficulty-dot.active {
    background-color: var(--primary-color);
}

/* ゲーム情報バー */
.game-info-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
}

.game-info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* タイマー */
#game-timer {
    position: relative;
    font-weight: 700;
}

#game-timer.warning {
    color: var(--accent-color);
    animation: timerWarning 1s ease-in-out infinite;
}

#game-timer.danger {
    color: var(--wrong-color);
    animation: timerDanger 0.5s ease-in-out infinite;
}

@keyframes timerWarning {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes timerDanger {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
        text-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
    }
}

/* スコア表示 */
#game-score {
    font-weight: 700;
    position: relative;
}

.score-animation {
    animation: scoreIncrease 0.8s ease-out;
}

@keyframes scoreIncrease {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
        color: var(--secondary-color);
        text-shadow: 0 0 10px rgba(46, 204, 113, 0.5);
    }
    100% {
        transform: scale(1);
    }
}

/* ゲーム完了画面 */
#complete-screen {
    background: var(--panel-bg);
    border: 2px solid var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 2rem;
}

/* ゲームオーバー画面 */
#game-over-screen {
    background: var(--panel-bg);
    border: 2px solid var(--wrong-color);
    border-radius: var(--border-radius);
    padding: 2rem;
}

/* レベル・ステージ選択（既存スタイルの統合） */
.stage-btn {
    transition: all 0.3s ease;
    font-weight: 600;
    background-color: var(--panel-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
}

.stage-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.stage-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.stage-btn.completed {
    background: var(--secondary-color);
    color: white;
}

.stage-btn.locked {
    background-color: var(--bg-accent);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* 進捗表示 */
.progress-bar {
    background-color: var(--bg-accent);
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
    height: 8px;
}

.progress-fill {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    height: 100%;
    transition: width 0.8s ease-out;
    border-radius: inherit;
    position: relative;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .game-title {
        font-size: 1.5rem;
    }
    
    .problem-text {
        font-size: 1.5rem;
    }
    
    .option-btn {
        font-size: 1rem;
        padding: 10px;
    }
    
    .game-info {
        font-size: 0.9rem;
    }
    
    .result-content {
        padding: 20px;
    }
    
    .result-title {
        font-size: 1.6rem;
    }
    
    .result-stats {
        font-size: 1rem;
    }
    
    #maze-canvas {
        max-width: 100%;
        height: auto;
    }
    
    #problem-display {
        max-width: 90vw;
        margin: 0 5vw;
    }
    
    .answer-btn {
        font-size: 1rem;
        padding: 0.75rem;
    }
    
    #problem-text {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    #problem-text {
        font-size: 1.25rem;
    }
    
    .answer-btn {
        font-size: 0.875rem;
        padding: 0.5rem;
    }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    .game-container {
        background-color: rgba(45, 55, 72, 0.9);
    }
    
    #game-container {
        background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    }
    
    #maze-canvas {
        background-color: var(--panel-bg);
        border-color: var(--primary-color);
    }
    
    #problem-display {
        background: var(--panel-bg);
        border-color: var(--primary-color);
    }
    
    #problem-text {
        color: var(--text-color);
    }
    
    .game-info-card {
        background: var(--panel-bg);
        border-color: var(--game-border);
    }
    
    .maze-cell {
        background-color: var(--panel-bg);
    }
    
    .maze-wall {
        background-color: var(--game-border);
    }
    
    .option-btn {
        background-color: var(--panel-bg);
        color: var(--text-color);
    }
    
    .answer-btn {
        background-color: var(--panel-bg);
        color: var(--text-color);
    }
}