:root{--bg-primary: #f0f2f5;--bg-secondary: #ffffff;--bg-surface: #e8ecf1;--bg-header: rgba(255, 255, 255, .9);--bg-placeholder: #e8ecf1;--text-primary: #1a1a2e;--text-secondary: #4a4a6a;--text-muted: #8888a0;--accent: #0077b6;--accent-hover: #005f99;--border: rgba(0, 0, 0, .1);--shadow: rgba(0, 0, 0, .1);--spinner-color: #0077b6;--btn-bg: rgba(0, 0, 0, .04);--btn-hover-bg: rgba(0, 0, 0, .08);--btn-active-bg: rgba(0, 119, 182, .15);--report-table-header: #0077b6;--report-table-stripe: rgba(0, 0, 0, .03);--viewer-bg-color: #f0f2f5;--footer-text: #8888a0;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition-fast: .2s ease;--transition-normal: .3s ease;--font-primary: "Inter", "Raleway", system-ui, sans-serif}html,body{margin:0;padding:0;font-family:var(--font-primary);background:var(--bg-primary);color:var(--text-primary);height:100%;overflow:hidden;transition:background var(--transition-normal),color var(--transition-normal)}*{box-sizing:border-box}body{display:flex;flex-direction:column}.wrap{display:flex;width:100vw;flex-grow:1;position:relative}.dropzone{display:flex;flex-grow:1;flex-direction:column;justify-content:center;align-items:center}.placeholder{width:100%;max-width:500px;border-radius:var(--radius-lg);background:var(--bg-placeholder);border:2px dashed var(--border);padding:3em 2em;text-align:center;transition:background var(--transition-normal),border-color var(--transition-normal)}.placeholder p{font-size:1.2rem;color:var(--text-secondary);margin:0}.viewer{width:100%;height:100%;flex-grow:1;flex-shrink:1;position:absolute;top:0;z-index:0}.axes{width:100px;height:100px;margin:20px;padding:0;position:absolute;left:0;bottom:0;z-index:10;pointer-events:none}header{display:flex;flex-direction:column;background:var(--bg-header);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:.5rem 1.5rem .55rem;border-bottom:1px solid var(--border);z-index:1;transition:background var(--transition-normal),border-color var(--transition-normal);-webkit-app-region:drag}.header-top{display:flex;align-items:center;height:2.4rem;-webkit-app-region:drag}header h1{color:var(--text-primary);font-size:1.2rem;font-weight:500;margin:0;letter-spacing:.02em;line-height:1}header h1>a{color:inherit;font-size:inherit;text-decoration:none}.header-hints{display:flex;align-items:center;gap:6px;margin-top:.3rem;flex-wrap:wrap}.hint-pill{display:inline-flex;align-items:center;gap:5px;font-size:.7rem;color:var(--text-secondary);background:var(--btn-bg);border:1px solid var(--border);border-radius:100px;padding:2px 10px 2px 7px;white-space:nowrap;-webkit-user-select:none;user-select:none}.hint-pill svg{flex-shrink:0;opacity:.75}.header-controls{display:flex;align-items:center;gap:6px;margin-top:.35rem;flex-wrap:wrap;-webkit-app-region:no-drag}.ctrl-btn{font-size:.72rem;font-family:var(--font-primary);font-weight:500;color:var(--text-secondary);background:var(--btn-bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:3px 12px;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;-webkit-app-region:no-drag}.ctrl-btn:hover{background:var(--btn-hover-bg);color:var(--text-primary)}.ctrl-btn.active{background:#16a34a;border-color:#16a34a;color:#fff}.ctrl-bg-wrap{display:inline-flex;align-items:center;gap:6px;background:var(--btn-bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px 8px 2px 10px;-webkit-app-region:no-drag}.ctrl-label{font-size:.72rem;font-weight:500;color:var(--text-secondary);white-space:nowrap;-webkit-user-select:none;user-select:none}.ctrl-bg-wrap select{font-size:.72rem;font-family:var(--font-primary);font-weight:500;color:var(--text-primary);background:transparent;border:none;outline:none;cursor:pointer;padding:0;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.ctrl-bg-wrap select{color-scheme:light}@media screen and (max-width: 700px){header h1{font-size:1em}.header-hints{gap:4px}.hint-pill{font-size:.65rem}}.header-toolbar{display:flex;align-items:center;gap:6px;margin-left:auto;-webkit-app-region:no-drag;flex-shrink:0}.toolbar-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:var(--radius-sm);background:var(--btn-bg);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);outline:none}.toolbar-btn:hover{background:var(--btn-hover-bg);color:var(--text-primary)}.toolbar-btn.active{background:var(--btn-active-bg);color:var(--accent)}.toolbar-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.toolbar-separator{width:1px;height:20px;background:var(--border);margin:0 4px}.gui-wrap{position:absolute;top:0;right:0;bottom:0;pointer-events:none}.gui-wrap>.main{pointer-events:all;max-height:100%;overflow:auto}.dg li.gui-stats:not(.folder){height:auto}.dg.main .close-button{background-color:var(--bg-surface)!important;color:var(--text-secondary)!important;transition:background var(--transition-fast)!important}.dg.main .close-button:hover{background-color:var(--btn-hover-bg)!important}.dg.a{margin-right:0!important}footer{position:absolute;bottom:.5em;right:.5em;font-family:monospace;font-size:.75rem;color:var(--footer-text);transition:color var(--transition-normal)}footer a{color:inherit;opacity:.6;text-decoration:none;transition:opacity var(--transition-fast)}footer a:hover{opacity:1;text-decoration:underline}footer .separator{margin:0 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1em}.report-table tr:nth-child(2n){background:var(--report-table-stripe)}.report-toggle-wrap.hidden{display:none}.report-toggle{cursor:pointer;display:flex;position:absolute;bottom:0;left:20px;height:30px;box-shadow:0 2px 8px var(--shadow);box-sizing:border-box;border-radius:var(--radius-sm) var(--radius-sm) 0 0;color:var(--text-primary);background:var(--bg-secondary);border-left:4px solid var(--accent)}.report-toggle.level-1{color:#444;background:#ffeda0;border-left-color:#feb24c}.report-toggle.level-0{color:#444;background:#f4c2be;border-left-color:#b10026}.report-toggle-text{line-height:32px;padding:0 .5em;font-weight:400;font-size:.8em}.report-toggle-close{width:30px;height:30px;line-height:30px;font-size:1.5em;text-align:center}.measure-label{position:absolute;background:var(--bg-secondary);color:var(--accent);padding:4px 12px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:600;font-family:var(--font-primary);pointer-events:none;z-index:20;border:1px solid var(--border);box-shadow:0 2px 12px var(--shadow);white-space:nowrap;transform:translate(-50%,-100%);margin-top:-12px}.measure-cursor-active{cursor:crosshair!important}.volume-panel{position:absolute;top:12px;left:12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;font-size:.8rem;font-family:var(--font-primary);color:var(--text-primary);z-index:20;min-width:210px;box-shadow:0 4px 20px var(--shadow);pointer-events:none}.volume-panel-title{font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px}.volume-section{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.volume-section:first-of-type{margin-top:0;padding-top:0;border-top:none}.volume-section-title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:6px}.volume-row{display:flex;justify-content:space-between;align-items:center;padding:2px 0;color:var(--text-secondary);gap:16px}.volume-row.highlight{color:var(--accent);font-weight:600;margin-top:4px;padding-top:4px;border-top:1px solid var(--border)}.volume-row span:last-child{font-variant-numeric:tabular-nums;text-align:right}.volume-note{font-size:.68rem;color:var(--text-muted);margin-top:6px;line-height:1.4}.spinner{width:40px;height:40px;position:absolute;left:50%;top:50%;margin:-20px;background-color:var(--spinner-color);border-radius:100%;animation:sk-scaleout 1s infinite ease-in-out}@keyframes sk-scaleout{0%{transform:scale(0)}to{transform:scale(1);opacity:0}}