/**
 * マイデザインくじ引き - 三角くじスタイル
 */

/* くじ引きセクション */
.kuji-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.kuji-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

/* ========================================
   くじ箱
   ======================================== */
.kuji-box {
    position: relative;
    width: 100%;
    max-width: 550px;
    height: 280px;
    perspective: 1000px;
}

.kuji-box-glow {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 60px;
    background: radial-gradient(ellipse, rgba(209, 61, 61, 0.3) 0%, transparent 70%);
    filter: blur(20px);
    pointer-events: none;
}

/* 箱の本体（3D風） */
.kuji-box-inner {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: min(460px, calc(100% - 60px));
    height: 200px;
    background: linear-gradient(180deg, #2a1a0a 0%, #1a1005 100%);
    border-radius: 12px;
    box-shadow:
        inset 0 5px 30px rgba(0, 0, 0, 0.8),
        inset 0 -2px 10px rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

/* 箱の外枠（木の縁） - innerより20px大きく */
.kuji-box-frame {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: min(480px, calc(100% - 40px));
    height: 220px;
    background: linear-gradient(180deg, #8B4513 0%, #5D2E0C 100%);
    border-radius: 16px;
    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.5),
        inset 0 2px 0 rgba(255, 255, 255, 0.15),
        inset 0 -5px 20px rgba(0, 0, 0, 0.4);
    z-index: -1;
}

/* 箱の蓋（上部） - frameに連動 */
.kuji-box-frame::before {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    height: 20px;
    background: var(--box-lid-gradient, linear-gradient(180deg, #A0522D 0%, #8B4513 100%));
    border-radius: 8px 8px 0 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

/* 箱のタイトル */
.kuji-box-title {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 13px;
    font-weight: 700;
    color: #FFD700;
    letter-spacing: 6px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

.kuji-box-label {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
}

/* ========================================
   三角くじ（折りたたまれた状態）
   ======================================== */
.kuji-papers {
    position: relative;
    width: 100%;
    height: 100%;
}

.kuji-paper {
    width: 60px;
    height: 30px;
    position: absolute;
    cursor: pointer;
    transition: transform 0.3s ease, z-index 0s, box-shadow 0.3s ease;
    /* 初期位置はJSで設定 */
    z-index: 1;
    overflow: hidden;
}

.kuji-paper:hover {
    z-index: 50 !important;
    filter: brightness(1.1);
}

.kuji-paper.disabled {
    pointer-events: none;
}

.kuji-paper.selected {
    /* 暗転オーバーレイ（z-index: 500）より上に表示 */
    z-index: 600 !important;
}

/* アニメーション中はすべてのクリックを無効化 */
body.animating,
body.animating * {
    pointer-events: none !important;
}

body.animating .close-result-btn.show,
body.animating .retry-btn.show {
    pointer-events: auto !important;
}

/* 三角形の内部構造 */
.kuji-paper-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}

/* 折りたたまれた三角形（clip-path方式） */
.kuji-paper-triangle {
    position: absolute;
    width: 60px;
    height: 30px;
    background-color: #FFFEF5;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    top: 0;
    left: 0;
    /* GPUレンダリング強制でアンチエイリアス問題を軽減 */
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* 画像付き三角形 */
.kuji-paper-triangle.with-image {
    width: 60px;
    height: 30px;
    border: none;
    background-size: cover;
    background-position: center;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

/* 折り目のライン - 非表示 */
.kuji-paper-fold {
    display: none;
}

/* くじ番号 - 非表示 */
.kuji-paper-number {
    display: none;
}

/* くじの数に応じたサイズ調整 */
.kuji-papers.many-items .kuji-paper {
    width: 50px;
    height: 25px;
}

.kuji-papers.many-items .kuji-paper-triangle {
    width: 50px;
    height: 25px;
}

.kuji-papers.many-items .kuji-paper-fold {
    width: 50px;
}

.kuji-papers.many-items .kuji-paper-number {
    top: 6px;
    font-size: 8px;
}

.kuji-papers.very-many-items .kuji-paper {
    width: 40px;
    height: 20px;
}

.kuji-papers.very-many-items .kuji-paper-triangle {
    width: 40px;
    height: 20px;
}

.kuji-papers.very-many-items .kuji-paper-fold {
    width: 40px;
}

.kuji-papers.very-many-items .kuji-paper-number {
    top: 4px;
    font-size: 7px;
}

/* 空の状態 */
.kuji-papers.empty::after {
    content: 'くじがありません';
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-lg);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
}

/* ========================================
   オーバーレイ
   ======================================== */
.result-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    pointer-events: none;
    z-index: 500;
    transition: background 0.5s ease;
}

.result-overlay.active {
    background: rgba(0, 0, 0, 0.85);
    pointer-events: auto;
}

/* ========================================
   開くアニメーション用コンテナ
   ======================================== */
.opening-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 1000;
    perspective: 1200px;
}

/* ========================================
   Three.js 3Dコンテナ
   ======================================== */
.threejs-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.threejs-container canvas {
    display: block;
}

.result-text {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-color);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

.result-text.winner {
    background: linear-gradient(135deg, var(--primary-color), #e55555, #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

/* ========================================
   リトライボタン
   ======================================== */
.retry-btn {
    position: fixed;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: #fff;
    padding: 18px 50px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(209, 61, 61, 0.5);
}

.retry-btn.show {
    opacity: 1;
    pointer-events: auto;
}

.retry-btn:hover {
    transform: translateX(-50%) scale(1.05);
}

/* ========================================
   閉じるボタン
   ======================================== */
.close-result-btn {
    position: fixed;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 1001;
}

.close-result-btn.show {
    opacity: 1;
    pointer-events: auto;
}

.close-result-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* ========================================
   結果表示パネル（下部）
   ======================================== */
.result-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    min-width: 250px;
    transition: all 0.3s ease;
}

.result-display.winner {
    box-shadow:
        var(--shadow-lg),
        0 0 0 4px var(--primary-color),
        0 0 30px rgba(209, 61, 61, 0.3);
    animation: winnerPulse 0.5s ease;
}

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

.result-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.result-text-display {
    font-size: var(--font-size-2xl);
    font-weight: bold;
    color: var(--text-primary);
    text-align: center;
    word-break: break-word;
}

.result-display.winner .result-text-display {
    color: var(--primary-color);
}

/* ========================================
   コントロールパネル
   ======================================== */
.control-panel {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.control-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.control-buttons button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
}

.control-buttons button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.control-buttons button .material-icons {
    font-size: 20px;
}

/* シャッフルボタン */
.shuffle-btn {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
}

.shuffle-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* リセットボタン */
.reset-btn {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
}

.reset-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 削除ボタン */
.remove-btn {
    background: linear-gradient(135deg, #f44336, #d32f2f);
    color: white;
}

.remove-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   紙吹雪エフェクト用コンテナ
   ======================================== */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1002;
}

/* ========================================
   レスポンシブ対応
   ======================================== */
@media (max-width: 600px) {
    .kuji-box {
        max-width: 360px;
        height: 220px;
    }

    .kuji-box-inner {
        width: min(300px, calc(100% - 50px));
        height: 150px;
        bottom: 25px;
        border-radius: 10px;
    }

    .kuji-box-frame {
        width: min(320px, calc(100% - 30px));
        height: 170px;
        bottom: 15px;
        border-radius: 12px;
    }

    .kuji-box-frame::before {
        top: -10px;
        left: -10px;
        right: -10px;
        height: 16px;
        border-radius: 6px 6px 0 0;
    }

    .kuji-paper {
        width: 50px;
        height: 25px;
    }

    .kuji-paper-triangle {
        width: 50px;
        height: 25px;
    }

    .opening-kuji {
        width: 150px;
        height: 150px;
    }

    .open-bottom {
        border-left-width: 75px;
        border-right-width: 75px;
        border-top-width: 75px;
        top: 75px;
    }

    .open-top-wrapper {
        width: 150px;
        height: 75px;
    }

    .open-top,
    .open-top-back {
        border-left-width: 75px;
        border-right-width: 75px;
        border-bottom-width: 75px;
    }

    .result-area {
        width: 120px;
    }

    .result-text {
        font-size: 24px;
    }

    .retry-btn {
        padding: 14px 40px;
        font-size: 16px;
    }
}

@media (max-width: 400px) {
    .kuji-box {
        max-width: 320px;
        height: 200px;
    }

    .kuji-box-inner {
        width: min(260px, calc(100% - 40px));
        height: 130px;
        bottom: 22px;
        border-radius: 8px;
    }

    .kuji-box-frame {
        width: min(280px, calc(100% - 20px));
        height: 150px;
        bottom: 12px;
        border-radius: 10px;
    }

    .kuji-box-frame::before {
        top: -8px;
        left: -8px;
        right: -8px;
        height: 14px;
        border-radius: 5px 5px 0 0;
    }

    .kuji-paper {
        width: 40px;
        height: 20px;
    }

    .kuji-paper-triangle {
        width: 40px;
        height: 20px;
    }

    .opening-kuji {
        width: 130px;
        height: 130px;
    }

    .open-bottom {
        border-left-width: 65px;
        border-right-width: 65px;
        border-top-width: 65px;
        top: 65px;
    }

    .open-top-wrapper {
        width: 130px;
        height: 65px;
    }

    .open-top,
    .open-top-back {
        border-left-width: 65px;
        border-right-width: 65px;
        border-bottom-width: 65px;
    }

    .result-area {
        width: 100px;
    }

    .result-text {
        font-size: 20px;
    }
}