/* フルモダンUIスタイル */
.ui-panel {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.15);
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.ui-panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.ui-colorpicker {
    width: 44px;
    height: 44px;
    padding: 2px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    background: linear-gradient(145deg, #ff6a00, #ffcc00);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background: linear-gradient(145deg, #ff6a00, #ffcc00);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: none;
    /* 枠線を消す */
    outline: none;
    /* フォーカス時の青枠も消す */
    background: transparent;
    /* 必要なら背景も透明に */
    -webkit-appearance: none;
    /* Chrome, Safari */
    -moz-appearance: none;
    /* Firefox */
    appearance: none;
    /* 標準 */
}

.ui-colorpicker:hover {
    transform: scale(1.15);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.ui-colorpicker:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

.ui-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ui-label {
    color: #000000;
    font-size: 14px;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    user-select: none;
}

.ui-range {
    width: 180px;
    height: 8px;
    border-radius: 4px;
    accent-color: #1de9b6;
    /* ネオン風のスライダー */
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.2s ease;
}

.ui-range:hover {
    transform: scaleY(1.1);
}

.ui-speedValue {
    font-size: 14px;
    width: 48px;
    text-align: right;
    color: #000000;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ナビゲーションボタン */
.ui-nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.ui-nav button {
    width: 44px;
    height: 38px;
    border-radius: 10px;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.12);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ui-nav button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.16);
}

.ui-nav button:active {
    transform: translateY(0);
}

/* モデル情報 */
.ui-modelInfo {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ui-modelName {
    font-size: 13px;
    color: #000;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.ui-modelAuthor {
    font-size: 12px;
    color: #333;
}