/* 全般設定 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}

body {
    font-family: 'Noto Sans JP', 'Orbitron', sans-serif;
    background-color: #05050a;
    color: #ffffff;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

/* Three.js キャンバス */
#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* UIコンテナ */
#ui-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none; /* 下の3D空間へのクリック等の干渉を防ぐ、各画面要素でpointer-events: autoにする */
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 画面共通スタイル（ロビー、プレイ中HUD、リザルト） */
.screen {
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    pointer-events: auto;
    background: rgba(5, 5, 10, 0.4);
    backdrop-filter: blur(8px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.screen.active {
    display: flex;
}

/* ロビー画面 */
#lobby-screen {
    background: radial-gradient(circle, rgba(15, 23, 42, 0.8) 0%, rgba(5, 5, 10, 0.95) 100%);
}

.game-title {
    font-family: 'Orbitron', 'Noto Sans JP', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.6), 0 0 30px rgba(0, 255, 255, 0.3);
    margin-bottom: 0.5rem;
    animation: pulse 2s infinite alternate;
}

.game-title span {
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.6), 0 0 30px rgba(255, 215, 0, 0.3);
}

.subtitle {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 3rem;
    letter-spacing: 4px;
}

/* 入力グループ */
.input-group {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 320px;
}

.input-group label {
    font-size: 0.9rem;
    color: #a0aec0;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.input-group input {
    width: 100%;
    padding: 0.8rem 1.2rem;
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 8px;
    color: #ffffff;
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-color: #00ffff;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

/* カメラステータス */
.status-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    margin-bottom: 2rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.8rem;
    box-shadow: 0 0 8px currentColor;
}

.status-dot.red {
    background-color: #ff4757;
    color: #ff4757;
}

.status-dot.green {
    background-color: #2ed573;
    color: #2ed573;
    animation: blink 1s infinite alternate;
}

.status-text {
    font-size: 0.9rem;
    color: #e2e8f0;
}

/* ボタン共通 */
button {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.4rem;
    font-weight: bold;
    padding: 1rem 3rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    outline: none;
}

#start-btn {
    background: linear-gradient(135deg, #00ffff 0%, #0088ff 100%);
    color: #05050a;
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
    margin-bottom: 3rem;
}

#start-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.6);
}

#start-btn:active:not(:disabled) {
    transform: translateY(1px);
}

#start-btn:disabled {
    background: #4a5568;
    color: #718096;
    cursor: not-allowed;
    box-shadow: none;
}

/* 操作説明 */
.instructions {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    max-width: 500px;
    text-align: left;
}

.instructions h3 {
    font-size: 1.1rem;
    color: #00ffff;
    margin-bottom: 0.8rem;
    text-align: center;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    padding-bottom: 0.5rem;
}

.instructions ul {
    list-style-type: none;
}

.instructions li {
    font-size: 0.95rem;
    color: #cbd5e0;
    margin-bottom: 0.6rem;
    line-height: 1.6;
    position: relative;
    padding-left: 1.2rem;
}

.instructions li::before {
    content: "✦";
    position: absolute;
    left: 0;
    color: #ffd700;
}

/* 実行中 HUD */
#play-screen {
    background: transparent;
    pointer-events: none;
    backdrop-filter: none;
}

.hud-top {
    position: absolute;
    top: 2rem;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 3rem;
}

.hud-item {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.8rem 1.8rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hud-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    color: #a0aec0;
    letter-spacing: 2px;
    margin-bottom: 0.2rem;
}

.hud-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.score-container .hud-value {
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* 結果画面 */
.result-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 5rem;
    font-weight: 900;
    color: #ffd700;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
    margin-bottom: 0.5rem;
    animation: scaleUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.result-subtitle {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 2.5rem;
}

.result-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.2rem 2.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 180px;
}

.stat-box.highlighted {
    background: rgba(255, 215, 0, 0.05);
    border-color: rgba(255, 215, 0, 0.4);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.1);
}

.stat-label {
    font-size: 0.9rem;
    color: #a0aec0;
    margin-bottom: 0.4rem;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: bold;
    font-family: 'Orbitron', 'Noto Sans JP', sans-serif;
}

.stat-box.highlighted .stat-value {
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* 記録一覧 */
.ranking-section {
    width: 100%;
    max-width: 450px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2.5rem;
}

.ranking-section h3 {
    font-size: 1.1rem;
    color: #00ffff;
    text-align: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    padding-bottom: 0.5rem;
}

.ranking-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 180px;
    overflow-y: auto;
}

.ranking-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    font-size: 0.95rem;
}

.ranking-item.loading {
    justify-content: center;
    color: #718096;
}

.ranking-item.top-three {
    background: rgba(255, 215, 0, 0.08);
    border: 1px solid rgba(255, 215, 0, 0.2);
    font-weight: bold;
}

#retry-btn {
    background: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
    color: #05050a;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

#retry-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.6);
}

/* カメラプレビュー */
#camera-container {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    width: 200px;
    height: 150px;
    border-radius: 12px;
    border: 2px solid rgba(0, 255, 255, 0.4);
    overflow: hidden;
    z-index: 20;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    background-color: #000000;
}

#webcam {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1); /* カメラ画像を鏡像反転表示 */
}

#pose-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: scaleX(-1); /* 描画も反転 */
    pointer-events: none;
}

/* アニメーション */
@keyframes pulse {
    0% {
        text-shadow: 0 0 10px rgba(0, 255, 255, 0.6), 0 0 20px rgba(0, 255, 255, 0.2);
    }
    100% {
        text-shadow: 0 0 20px rgba(0, 255, 255, 0.9), 0 0 40px rgba(0, 255, 255, 0.4);
    }
}

@keyframes blink {
    0% { opacity: 0.4; }
    100% { opacity: 1; }
}

@keyframes scaleUp {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}