/**
 * 3D查看器样式
 */

/* 3D容器 */
#viewer3d {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 500px;
    background: #1a1a2e;
    border-radius: 8px;
    overflow: hidden;
}

/* 工具栏 */
.viewer-toolbar {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 100;
}

.tool-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.tool-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.tool-btn.active {
    background: rgba(74, 144, 226, 0.8);
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
}

/* 加载进度 */
.viewer-progress {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    z-index: 200;
    background: rgba(0, 0, 0, 0.8);
    padding: 30px 50px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.progress-bar {
    width: 200px;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4a90d9, #67b26f);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    color: #fff;
    font-size: 14px;
}

/* 错误提示 */
.viewer-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(245, 108, 108, 0.9);
    color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 300;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translate(-50%, -50%); }
    25% { transform: translate(-52%, -50%); }
    75% { transform: translate(-48%, -50%); }
}

/* 信息面板 */
.viewer-info {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 10px 15px;
    border-radius: 8px;
    color: #fff;
    font-size: 12px;
    z-index: 100;
}

.viewer-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 5px;
}

.viewer-info-item:last-child {
    margin-bottom: 0;
}

/* 测量结果显示 */
.measure-result {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 8px;
    color: #fff;
    z-index: 100;
}

.measure-result h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: #4a90d9;
}

.measure-result .value {
    font-size: 24px;
    font-weight: bold;
    color: #67b26f;
}

.measure-result .unit {
    font-size: 14px;
    color: #999;
    margin-left: 5px;
}

/* 提示文字 */
.viewer-hint {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 10px 15px;
    border-radius: 8px;
    color: #999;
    font-size: 12px;
    z-index: 100;
    max-width: 200px;
}

/* 响应式 */
@media (max-width: 768px) {
    .viewer-toolbar {
        flex-direction: row;
        top: auto;
        bottom: 15px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .tool-btn {
        width: 36px;
        height: 36px;
    }
    
    .viewer-info,
    .viewer-hint {
        display: none;
    }
}

/* 全屏模式 */
.viewer-fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9999 !important;
    border-radius: 0 !important;
}

/* 加载动画 */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.viewer-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #4a90d9;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 零件点击选中信息标签 */
.viewer-pick-info {
    position: absolute;
    background: rgba(255, 180, 0, 0.92);
    color: #1a1a2e;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    z-index: 150;
    pointer-events: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    max-width: 320px;
    word-break: break-all;
    animation: pick-pop 0.18s ease;
}

@keyframes pick-pop {
    from { transform: scale(0.85); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}