/* ===== 一键换色 - 完整主题系统 ===== */
/* 
 * 主题修改指南：只需修改 :root 中的 --hue-primary 值（0-360）
 * 即可切换整套配色风格，无需修改其他任何代码
 */

:root {
    /* ========== 核心色相（修改此处改变整体色调）========== */
    --hue-primary: 280;        /* 紫罗兰=295, 青绿=160, 蓝=210, 橙=25, 红=0 */
    
    /* ========== 主题色（按钮、高亮、强调）========== */
    --primary:        hsl(var(--hue-primary), 35%, 65%);
    --primary-dark:   hsl(var(--hue-primary), 35%, 50%);
    --primary-light:  hsl(var(--hue-primary), 40%, 78%);
    --primary-glow:   hsla(var(--hue-primary), 50%, 65%, 0.3);
    --primary-dim:    hsla(var(--hue-primary), 35%, 65%, 0.2);
    
    /* ========== 背景色系统（主题色即背景色）========== */
    --bg-base:        hsl(var(--hue-primary), 45%, 10%);      /* 最深：底层背景 */
    --bg-page:        hsl(var(--hue-primary), 40%, 14%);      /* 页头、时间轴、底部 */
    --bg-panel:       hsl(var(--hue-primary), 38%, 17%);      /* 右侧面板 */
    --bg-card:        hsl(var(--hue-primary), 35%, 21%);      /* 卡片、内嵌区域 */
    
    /* ========== 预览区（同色系，更深更冷，明显区分）========== */
    --bg-preview:     hsl(var(--hue-primary), 50%, 7%);
    
    /* ========== 文字色 ========== */
    --text-primary:   hsl(var(--hue-primary), 30%, 92%);
    --text-secondary: hsl(var(--hue-primary), 20%, 72%);
    --text-muted:     hsl(var(--hue-primary), 15%, 55%);
    
    /* ========== 边框（深一点，清晰分割）========== */
    --border:         hsl(var(--hue-primary), 40%, 28%);
    --border-light:   hsl(var(--hue-primary), 35%, 22%);
    
    /* ========== 按钮渐变 ========== */
    --btn-start:      hsl(var(--hue-primary), 40%, 62%);
    --btn-end:        hsl(var(--hue-primary), 45%, 48%);
    --btn-text:       hsl(var(--hue-primary), 45%, 10%);
    
    /* ========== 状态色（功能性，独立定义）========== */
    --danger:         hsl(350, 80%, 58%);
    --danger-dark:    hsl(350, 75%, 50%);
    --danger-dim:     hsla(350, 80%, 58%, 0.2);
    
    /* ========== 阴影与特效 ========== */
    --shadow-sm:      0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md:      0 4px 15px rgba(0, 0, 0, 0.4);
    --shadow-glow:    0 0 10px var(--primary-glow);
}

/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', sans-serif;
}

body {
    background: var(--bg-base);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ===== 页头标题区域 ===== */
.page-header {
    background: var(--bg-page);
    padding: 12px 20px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border);
}

.site-logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 5px;
    box-shadow: var(--shadow-sm);
}

.page-title {
    display: flex;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px var(--primary-glow);
    letter-spacing: 2px;
}

/* ===== 头部按钮组 ===== */
.header-buttons-group {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.header-btn {
    background: linear-gradient(to right, var(--btn-start), var(--btn-end));
    color: var(--btn-text);
    border: none;
    border-radius: 4px;
    padding: 8px 15px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    font-size: 12px;
}

.header-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

/* ===== 顶部控制栏 ===== */
.header-controls {
    height: 40px;
    background: var(--bg-page);
    display: flex;
    align-items: center;
    padding: 0 15px;
    gap: 15px;
    box-shadow: var(--shadow-sm);
    z-index: 100;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border);
}

/* 左侧上传组 */
.header-left-section {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.upload-group {
    display: flex;
    gap: 6px;
}

.upload-group .btn {
    width: auto;
    padding: 4px 10px;
    margin-bottom: 0;
    white-space: nowrap;
}

/* 中间操作按钮组 */
.action-buttons-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.action-buttons-group .btn {
    width: auto;
    padding: 4px 8px;
    font-size: 10px;
    margin-bottom: 0;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 右侧时间组 */
.header-right-section {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    margin-left: auto;
}

/* 模型选择器 */
.model-selector-compact {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 10px;
}

.model-selector-compact select {
    width: auto;
    min-width: 80px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 10px;
}

/* ===== 主容器 ===== */
.main-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ===== 预览区域（单独颜色，与页面背景区分）===== */
.preview-area {
    flex: 1;
    position: relative;
    background: var(--bg-preview);
    min-height: 0;
    margin-right: 320px;
    border-right: 2px solid var(--border);
}

#renderCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 预览区提示 */
.preview-tips {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    color: var(--primary-light);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 11px;
    pointer-events: none;
    z-index: 10;
}

/* ===== 右侧控制面板 ===== */
.control-panel {
    width: 320px;
    background: var(--bg-panel);
    padding: 15px;
    overflow-y: auto;
    box-shadow: -2px 0 15px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 104px);
    position: fixed;
    right: 0;
    top: 104px;
    z-index: 10;
    border-left: 2px solid var(--border);
}

/* 面板切换按钮 */
.panel-toggle {
    display: flex;
    margin-bottom: 15px;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.panel-toggle-btn {
    flex: 1;
    padding: 8px 0;
    background: var(--bg-card);
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.panel-toggle-btn.active {
    background: linear-gradient(to right, var(--btn-start), var(--btn-end));
    color: var(--btn-text);
    font-weight: bold;
}

.panel-toggle-btn:hover:not(.active) {
    background: var(--primary-dim);
    color: var(--text-primary);
}

/* 通用面板卡片 */
.mini-panel {
    margin-bottom: 10px;
    background: var(--bg-card);
    border-radius: 6px;
    padding: 6px;
    border: 1px solid var(--border);
}

.mini-panel h3 {
    font-size: 12px;
    margin-bottom: 6px;
    color: var(--primary-light);
    border-bottom: 1px solid var(--border);
    padding-bottom: 4px;
}

/* ===== 按钮样式 ===== */
.btn {
    padding: 8px 10px;
    background: linear-gradient(to right, var(--btn-start), var(--btn-end));
    color: var(--btn-text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 10px;
    font-weight: bold;
    transition: all 0.3s ease;
    width: 100%;
    margin-bottom: 2px;
}

.btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.button-group {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}

.button-group .btn {
    flex: 1;
    margin-bottom: 0;
}

/* 删除按钮 */
#removeAudioBtn {
    background: linear-gradient(to right, var(--danger), var(--danger-dark)) !important;
    display: none;
}

/* ===== 滑块控件 ===== */
.slider-container {
    position: relative;
    margin: 4px 0;
}

.slider {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--bg-base);
    outline: none;
    -webkit-appearance: none;
    margin: 3px 0;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 1px solid var(--text-primary);
}

.slider-tick {
    position: absolute;
    top: 50%;
    width: 1px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%);
}

.slider-tick.zero {
    background: var(--primary);
    height: 10px;
    width: 2px;
}

.slider-value {
    font-size: 8px;
    text-align: center;
    margin-top: 1px;
    color: var(--primary);
}

/* 标签文字统一颜色 */
.slider-container label,
.bone-controls label,
.mini-panel label,
.axis-label,
.camera-controls-compact label,
.camera-aspect-ratio label,
.background-control-label {
    color: var(--text-primary);
    font-size: 9px;
}

/* ===== 时间轴区域 ===== */
.timeline-area {
    height: 120px;
    background: var(--bg-page);
    border-top: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    width: calc(100% - 320px);
}

.main-timeline {
    height: 40px;
    display: flex;
    align-items: center;
    padding: 0 15px;
    gap: 10px;
    border-bottom: 1px solid var(--border);
}

.timeline-controls .btn {
    width: auto;
    padding: 4px 6px;
    font-size: 9px;
}

.time-display {
    font-size: 10px;
    color: var(--primary);
    min-width: 70px;
    text-align: center;
}

.timeline-mini {
    flex: 1;
    height: 20px;
    background: var(--bg-panel);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
}

.playhead-mini {
    position: absolute;
    width: 2px;
    height: 100%;
    background: var(--primary);
    top: 0;
    left: 0;
    z-index: 10;
}

.keyframe-mini {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--danger);
    border-radius: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 10;
}

.timeline-buttons .btn {
    width: auto;
    padding: 4px 8px;
    font-size: 10px;
}

/* 模型时间轴容器 */
.model-timelines-container {
    flex: 1;
    overflow-y: auto;
    padding: 5px 15px;
    max-height: 140px;
}

.model-timeline {
    margin-bottom: 4px;
    background: var(--bg-panel);
    border-radius: 4px;
    padding: 3px 6px;
    height: 24px;
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
}

.model-timeline-name {
    font-size: 9px;
    color: var(--primary-light);
    font-weight: bold;
    width: 100px;
    overflow: hidden;
}

.model-timeline-track {
    flex: 1;
    height: 10px;
    background: var(--bg-base);
    border-radius: 5px;
    position: relative;
    overflow: hidden;
    margin: 0 6px;
}

/* ===== 摄像机控制 ===== */
.camera-controls-compact {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: var(--bg-panel);
    border-radius: 8px;
    padding: 8px;
    z-index: 3;
    border: 1px solid var(--border);
    width: 170px;
}

.camera-controls-compact h3 {
    font-size: 10px;
    margin-bottom: 6px;
    text-align: center;
    color: var(--primary);
}

.camera-aspect-ratio select {
    width: 100%;
    padding: 4px;
    background: var(--bg-base);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: 10px;
}

/* 摄像机框 */
.camera-frame {
    position: absolute;
    border: 2px dashed var(--primary);
    pointer-events: none;
    z-index: 5;
}

/* ===== 质量控制 ===== */
.quality-controls {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    color: var(--primary);
    z-index: 10;
    display: flex;
    gap: 12px;
    border: 1px solid var(--border-light);
}

.quality-option {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    cursor: pointer;
    color: var(--text-primary);
}

.quality-option input {
    margin: 0;
    cursor: pointer;
    width: 14px;
    height: 14px;
}

/* ===== 视角切换按钮 ===== */
.view-toggle-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--btn-start), var(--btn-end));
    color: var(--btn-text);
    border: none;
    cursor: pointer;
    font-weight: bold;
    font-size: 20px;
    z-index: 20;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.view-toggle-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    filter: brightness(1.1);
}

.view-toggle-btn.original-view {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
}

.view-toggle-btn.original-view:hover {
    background: linear-gradient(135deg, var(--danger-dark), hsl(350, 70%, 45%));
}

/* ===== 弹窗样式 ===== */
.tip-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 3000;
    /* 不用 display: flex，改用 place-items 或保持原有方式 */
}

.tip-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-panel);
    padding: 20px;
    width: 500px;
    max-width: 90%;
    border-radius: 15px;
    border: 1px solid var(--border);
}
.tip-modal h2 {
    color: var(--primary);
    margin-bottom: 20px;
}

.tip-content {
    color: var(--text-primary);
    line-height: 1.8;
}

/* ===== 通知与加载 ===== */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    border-radius: 5px;
    background: var(--bg-panel);
    color: var(--primary);
    border: 1px solid var(--border);
    transform: translateX(150%);
    transition: transform 0.3s ease;
    z-index: 1000;
    font-size: 12px;
}

.notification.show {
    transform: translateX(0);
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    flex-direction: column;
    color: var(--primary);
    font-size: 16px;
}

.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--primary-dim);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes logo-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.export-progress {
    width: 80%;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-top: 15px;
    overflow: hidden;
}

.export-progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--btn-start), var(--btn-end));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 10px;
}

/* ===== 网站底部备案信息 ===== */
.website-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--bg-page);
    border-top: 1px solid var(--border);
    padding: 8px 20px;
    text-align: center;
    font-size: 11px;
    color: var(--text-secondary);
    z-index: 1000;
}

.website-footer a {
    color: var(--primary);
    text-decoration: none;
}

/* ===== 输入框 ===== */
select, input, .bg-hex-input {
    background: var(--bg-base);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 4px;
}

/* ===== 模型列表 ===== */
.model-list {
    max-height: 130px;
    overflow-y: auto;
    margin-bottom: 8px;
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 4px;
}

.model-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 5px;
    margin-bottom: 2px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.model-list-item.active {
    background: var(--primary-dim);
    border-left: 3px solid var(--primary);
}

.model-name-display {
    font-size: 9px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
}

.model-actions {
    display: flex;
    gap: 2px;
}

.model-action-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 8px;
    padding: 1px 3px;
    border-radius: 2px;
    transition: all 0.2s ease;
}

.model-action-btn:hover {
    background: var(--primary-dim);
}

.model-action-btn.delete:hover {
    color: var(--danger);
    background: var(--danger-dim);
}

/* ===== 摄像机控制（右下角浮动）===== */
.camera-controls-compact {
    position: absolute;
    bottom: -1px;
    right: 3px;
    background: var(--bg-panel);
    border-radius: 3px;
    padding: 2px;
    z-index: 3;
    border: 1px solid var(--border);
    width: 160px;
    overflow-y: auto;
}

.camera-controls-compact h3 {
    font-size: 10px;
    margin-bottom: 2px;
    margin-top: 2px;
    text-align: center;
}

.camera-controls-compact .btn {
    font-size: 13px;
}

.camera-controls-compact .slider-container {
    margin: 0;
}

.camera-controls-compact .slider {
    height: 2px;
    margin: 1px 0;
}

.camera-controls-compact .slider::-webkit-slider-thumb {
    width: 5px;
    height: 5px;
}

.camera-controls-compact .slider-scale {
    height: 2px;
}

.camera-controls-compact .slider-tick {
    height: 4px;
}

.camera-controls-compact .slider-tick.zero {
    height: 6px;
}

.camera-controls-compact .slider-value {
    font-size: 8px;
    margin-top: 0;
}

.camera-controls-compact label {
    font-size: 10px;
    margin-bottom: 0;
    line-height: 0.6;
}

/* 强制消除摄像机控制器所有垂直间距 */
.camera-controls-compact * {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

.camera-controls-compact .slider-container {
    margin: 1px 0 !important;
}

/* 摄像机比例控制 */
.camera-aspect-ratio {
    margin-bottom: 8px;
}

.camera-aspect-ratio label {
    font-size: 9px;
    display: block;
    margin-bottom: 4px;
    color: var(--primary);
}

/* ===== 场景控制 ===== */
.background-image-controls {
    margin-bottom: 10px;
}

.background-control-group {
    margin-bottom: 8px;
}

.background-control-group h4 {
    font-size: 11px;
    color: var(--primary);
    margin-bottom: 4px;
}

.background-control-row {
    display: flex;
    align-items: center;
    margin-bottom: 4px;
}

.background-control-label {
    width: 60px;
    font-size: 9px;
}

.background-control-slider {
    flex: 1;
}

.background-control-value {
    width: 30px;
    text-align: center;
    font-size: 9px;
    color: var(--primary);
}

.background-image-preview {
    width: 100%;
    height: 80px;
    background: var(--bg-base);
    border-radius: 4px;
    margin-bottom: 8px;
    overflow: hidden;
    position: relative;
}

.background-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.background-image-preview .remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--danger);
    color: var(--text-primary);
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 10px;
}

/* 背景控制 */
.bg-control-section {
    margin-bottom: 8px;
}

.bg-mode-toggle {
    display: flex;
    margin-bottom: 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.bg-mode-btn {
    flex: 1;
    padding: 3px 0;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 9px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.bg-mode-btn.active {
    background: linear-gradient(to right, var(--btn-start), var(--btn-end));
    color: var(--btn-text);
    font-weight: bold;
}

.bg-color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 8px;
}

.bg-color-option {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 2px solid transparent;
    position: relative;
}

.bg-color-option:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.bg-color-option.selected::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.8);
    font-size: 10px;
}

.bg-preset-section {
    margin-bottom: 8px;
}

.bg-preset-title {
    font-size: 9px;
    color: var(--primary);
    margin-bottom: 4px;
}

.bg-custom-controls {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-bottom: 8px;
}

.bg-hex-input {
    flex: 1;
    padding: 4px;
    background: var(--bg-base);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: 9px;
}

.bg-alpha-control {
    margin-top: 8px;
}

.bg-alpha-label {
    font-size: 9px;
    display: block;
    margin-bottom: 2px;
}

/* ===== 灯光控制 ===== */
.lighting-preset-group {
    margin-bottom: 12px;
}

.lighting-preset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    margin-top: 6px;
}

.lighting-preset-btn {
    padding: 6px;
    background: var(--bg-base);
    color: var(--primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 10px;
    transition: all 0.2s ease;
}

.lighting-preset-btn:hover {
    background: var(--primary-dim);
    color: var(--text-primary);
}

.lighting-preset-btn.active {
    background: linear-gradient(to right, var(--btn-start), var(--btn-end));
    color: var(--btn-text);
    font-weight: bold;
}

/* ===== 导出控制 ===== */
.export-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== 工程控制 ===== */
.control-panel .project-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.header-project-controls {
    display: flex;
    gap: 4px;
    margin-left: auto;
}

.header-project-controls .btn {
    flex: none;
    width: auto;
    padding: 4px 8px;
    font-size: 10px;
    margin-bottom: 0;
}

/* ===== 音频选项 ===== */
#includeAudioOption {
    display: none;
}

/* ===== 文件上传隐藏 ===== */
input[type="file"] {
    display: none;
}

/* ===== 预览区模型管理按钮（已隐藏）===== */
.preview-model-manager {
    display: none !important;
}

/* ===== 快速美化包 ===== */
.control-panel,
.control-panel .btn,
.control-panel label,
.control-panel .slider-value,
.control-panel .axis-label,
.control-panel .translation-value {
    font-size: 11px;
}

/* 保留按钮内的字体大小 */
.control-panel .button-group .btn,
.control-panel .translation-buttons .btn {
    font-size: 10px;
}

.btn, .header-btn {
    border-radius: 8px !important;
    box-shadow: var(--shadow-sm) !important;
    transition: all 0.2s ease !important;
}

.btn:hover, .header-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-md) !important;
}

.slider {
    height: 6px !important;
    border-radius: 3px !important;
}

.slider::-webkit-slider-thumb {
    width: 14px !important;
    height: 14px !important;
    background: var(--primary) !important;
    border: 2px solid var(--text-primary) !important;
    box-shadow: 0 0 5px var(--primary-glow) !important;
}

/* ===== 强制覆盖 JS 动态生成的内联样式 ===== */

/* 动画面板 - 无模型提示 */
#animationControlsContainer div[style*="text-align: center"] h3,
#animationControlsContainer div[style*="text-align: center"] p,
#animationControlsContainer div[style*="text-align: center"] div {
    color: var(--primary) !important;
}

/* 模型控制面板 - 无模型提示 */
#modelControlsContainer div[style*="text-align: center"] h3,
#modelControlsContainer div[style*="text-align: center"] p,
#modelControlsContainer div[style*="text-align: center"] div {
    color: var(--primary) !important;
}

/* 通用：任何内联样式中的固定颜色都强制覆盖 */
div[style*="color: #ffd700"],
div[style*="color:#ffd700"],
div[style*="color: #4ecca3"],
div[style*="color:#4ecca3"],
h3[style*="color: #ffd700"],
h3[style*="color:#ffd700"],
p[style*="color: #4ecca3"],
p[style*="color:#4ecca3"] {
    color: var(--primary) !important;
}

/* 表情图标颜色 */
div[style*="font-size: 40px"] {
    color: var(--primary) !important;
}


/* ===== 修复面板切换按钮显示问题 ===== */
/* 1. 确保切换按钮容器始终可见 */
.panel-toggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    margin-bottom: 15px !important;
    flex-shrink: 0 !important;
}

/* 2. 激活状态显示（不需要 !important 也可以） */
.model-controls-container.active,
.animation-controls-container.active,
.scene-controls-container.active,
.lighting-controls-container.active {
    display: block;
}

/* 3. 确保切换按钮本身可见 */
.panel-toggle-btn {
    display: block !important;
    visibility: visible !important;
}

/* 修复模型控制面板宽度问题 */
.model-controls-container,
#modelControlsContainer {
    width: 100% !important;
    display: flex;
    flex-direction: column;
}

.mini-panel {
    width: 100% !important;
    box-sizing: border-box;
}

.button-group {
    display: flex !important;
    width: 100% !important;
    gap: 4px !important;
}

.button-group .btn {
    flex: 1 !important;
    min-width: 0 !important; /* 允许按钮缩小 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 确保translation-buttons正常显示 */
.translation-buttons {
    display: flex !important;
    gap: 4px !important;
    width: 100% !important;
    margin-top: 8px;
}

.translation-buttons .btn {
    flex: 1 !important;
}

/* 弹窗内图片尺寸控制 */
.tip-modal-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    vertical-align: middle;
    margin-right: 10px;
}

.qrcode-img {
    width: 150px;
    height: 150px;
    display: block;
    margin: 15px auto;
    border-radius: 10px;
}

.gzh-logo {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    vertical-align: middle;
    margin-right: 6px;
}