*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--panel-bg: #1a1d27;--border: #2a2d3a;--accent: #4f7cff;--text: #e2e4ec;--muted: #7a7f95;--ok: #22c55e;--warn: #f59e0b;--fail: #ef4444;--font: "Inter", system-ui, sans-serif}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px}.layout{display:grid;grid-template-columns:280px 1fr;grid-template-rows:48px 1fr 60px;height:100vh}.topbar{grid-column:1 / -1;display:flex;align-items:center;gap:12px;padding:0 20px;border-bottom:1px solid var(--border);background:var(--panel-bg)}.topbar .logo{font-weight:700;font-size:15px;color:var(--accent);letter-spacing:.5px}.topbar .title{font-size:13px;color:var(--muted)}.sidebar{background:var(--panel-bg);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}.sidebar h2{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.param-group{display:flex;flex-direction:column;gap:14px}.param-row{display:flex;flex-direction:column;gap:4px}.param-row label{display:flex;justify-content:space-between;font-size:13px;color:var(--text)}.param-row label span{color:var(--accent);font-variant-numeric:tabular-nums}input[type=range]{-webkit-appearance:none;width:100%;height:4px;border-radius:2px;background:var(--border);outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer}.dxf-section{display:flex;flex-direction:column;gap:8px}.dxf-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.dxf-upload-btn{display:inline-block;padding:7px 12px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:13px;cursor:pointer;text-align:center;transition:border-color .15s}.dxf-upload-btn:hover{border-color:var(--accent)}#dxf-input{display:none}#dxf-status{font-size:11px;line-height:1.4;color:var(--muted);min-height:16px}.dxf-ok{color:var(--ok)!important}.dxf-error{color:var(--fail)!important}.viewer{position:relative;background:#0a0c12;overflow:hidden}#viewer-mount{width:100%;height:100%}.results-bar{grid-column:2 / -1;display:flex;align-items:center;gap:32px;padding:0 24px;border-top:1px solid var(--border);background:var(--panel-bg);transition:border-color .3s}.results-bar.ok{border-top-color:var(--ok)}.results-bar.warn{border-top-color:var(--warn)}.results-bar.fail{border-top-color:var(--fail)}.results-bar.loading{opacity:.6}.results-bar.error{border-top-color:var(--fail);opacity:.7}.result-item{display:flex;flex-direction:column;gap:2px}.result-item .label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted)}.result-item .value{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}.results-bar.ok .value:first-of-type{color:var(--ok)}.results-bar.warn .value:first-of-type{color:var(--warn)}.results-bar.fail .value:first-of-type{color:var(--fail)}