*,*: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;--yellow: #eab308;--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)}.settings{margin-left:auto;position:relative}.settings-btn{background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:16px;line-height:1;width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.settings-btn:hover{background:#ffffff14}.settings-backdrop{position:fixed;inset:0;z-index:40}.settings-panel{position:absolute;top:40px;right:0;z-index:50;width:290px;background:var(--panel-bg);border:1px solid var(--border);border-radius:8px;padding:16px;box-shadow:0 8px 24px #00000073;display:flex;flex-direction:column;gap:16px}.settings-panel h3{margin:0;font-size:13px;font-weight:700;color:var(--text)}.setting-block{display:flex;flex-direction:column;gap:6px}.setting-label{font-size:11px;font-weight:600;color:var(--muted)}.setting-hint{font-size:10px;color:var(--muted);line-height:1.35}.segmented{display:flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.segmented button{flex:1;padding:7px 8px;font-size:11px;cursor:pointer;background:transparent;color:var(--text);border:none;border-right:1px solid var(--border)}.segmented button:last-child{border-right:none}.segmented button.active{background:var(--accent);color:#fff;font-weight:600}.settings-panel select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-size:12px;cursor:pointer}.sidebar{grid-row:2 / -1;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)}.unity-checks{display:flex;flex-wrap:nowrap;gap:8px;align-items:stretch;flex:1}.uc-chip{flex:1 1 0;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:4px;padding:6px 12px;border-radius:8px;background:#ffffff0d;border-left:4px solid var(--muted);appearance:none;border-top:none;border-right:none;border-bottom:none;font-family:inherit;text-align:left;color:var(--text);cursor:pointer;transition:background .15s,box-shadow .15s}.uc-chip:hover{background:#ffffff17}.uc-chip.active{box-shadow:inset 0 0 0 1px var(--accent),0 0 0 1px var(--accent)}.uc-chip .uc-head{display:flex;align-items:center;gap:6px;min-width:0}.uc-chip .uc-tag{flex:none}.uc-chip .uc-tag{font-size:9px;font-weight:800;letter-spacing:.06em;padding:1px 5px;border-radius:4px;background:#ffffff14;color:var(--muted)}.uc-chip .uc-name{font-size:12px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.uc-chip .uc-uc{font-size:18px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}.uc-chip.ok{border-left-color:var(--ok)}.uc-chip.warn{border-left-color:var(--yellow)}.uc-chip.warn2{border-left-color:var(--warn)}.uc-chip.fail{border-left-color:var(--fail)}.uc-chip.ok .uc-uc{color:var(--ok)}.uc-chip.warn .uc-uc{color:var(--yellow)}.uc-chip.warn2 .uc-uc{color:var(--warn)}.uc-chip.fail .uc-uc{color:var(--fail)}.uc-chip.ok .uc-tag{color:var(--ok)}.uc-chip.warn .uc-tag{color:var(--yellow)}.uc-chip.warn2 .uc-tag{color:var(--warn)}.uc-chip.fail .uc-tag{color:var(--fail)}.solver-msgs{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0;margin-right:16px}.solver-msg{font-size:11px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.solver-msg.error{color:var(--fail);font-weight:600}.solver-msg.warning{color:var(--warn)}.result-group{display:flex;gap:22px;align-items:center;margin-left:auto;padding-left:16px}.view-section{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:10px}.toggle-row{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer;color:var(--text)}.toggle-row input{cursor:pointer}.uc-legend{display:flex;flex-direction:column;gap:4px;margin-top:8px;font-size:11px;color:var(--muted)}.uc-legend span{display:flex;align-items:center;gap:6px}.uc-legend i{width:12px;height:12px;border-radius:3px;display:inline-block}.solving-indicator{display:flex;align-items:center;gap:8px;margin-left:24px;font-size:13px;font-weight:600;color:var(--muted)}.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.2);border-top-color:var(--text);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.report-btn{margin-left:auto;padding:8px 14px;border:1px solid rgba(255,255,255,.18);border-radius:6px;background:#ffffff0f;color:var(--text);font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s}.report-btn:hover:not(:disabled){background:#ffffff1f}.report-btn:disabled{opacity:.45;cursor:not-allowed}.sidebar-report{margin-top:auto;margin-left:0;width:100%}.segmented.small button{padding:4px 8px;font-size:11px}.deform-fit{appearance:none;border:none;background:none;padding:0;color:var(--accent);font-size:11px;text-decoration:underline;cursor:pointer}.msg-code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:10px;padding:0 4px;border-radius:3px;background:#ffffff1a}.viewer{position:relative}.uc-drawer{position:absolute;top:12px;right:12px;bottom:12px;width:min(420px,46%);display:flex;flex-direction:column;background:var(--panel-bg);border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 40px #00000073;z-index:20;overflow:hidden}.uc-drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border)}.uc-drawer-titlewrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.uc-drawer-title{font-size:13px;font-weight:600}.uc-status-pill{font-size:10px;font-weight:800;letter-spacing:.04em;padding:2px 7px;border-radius:999px;color:#0b0d12;background:var(--muted)}.uc-status-pill.ok{background:var(--ok)}.uc-status-pill.warn{background:var(--yellow)}.uc-status-pill.warn2{background:var(--warn)}.uc-status-pill.fail{background:var(--fail);color:#fff}.uc-drawer-close{flex:none;appearance:none;border:none;background:transparent;color:var(--muted);font-size:16px;line-height:1;cursor:pointer;padding:2px 4px}.uc-drawer-close:hover{color:var(--text)}.uc-drawer-body{padding:12px 14px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.uc-drawer-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}.uc-drawer-metrics>div{display:flex;flex-direction:column;gap:2px}.uc-drawer-metrics .label{font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.uc-drawer-metrics .value{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}.uc-drawer-msg{font-size:12px;color:var(--muted)}.uc-drawer-report{font-size:12px;line-height:1.5;padding:8px 10px;border-radius:6px;background:#4f7cff14;border:1px solid rgba(79,124,255,.25)}.uc-drawer-report p{margin:0}.trace-table{width:100%;border-collapse:collapse;font-size:11px}.trace-table th{text-align:left;font-weight:600;color:var(--muted);padding:4px 6px;border-bottom:1px solid var(--border)}.trace-table td{padding:4px 6px;border-bottom:1px solid rgba(255,255,255,.05);vertical-align:top}.trace-table td.mono{font-family:ui-monospace,SF Mono,Menlo,monospace;color:var(--text)}.trace-table td.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.report-modal-backdrop{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50}.report-modal{width:min(900px,92vw);height:min(85vh,900px);display:flex;flex-direction:column;background:var(--panel-bg);border:1px solid var(--border);border-radius:10px;overflow:hidden;box-shadow:0 20px 60px #0000008c}.report-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-bottom:1px solid var(--border)}.report-modal-title{font-size:13px;font-weight:600}.report-modal-actions{display:flex;align-items:center;gap:8px}.report-modal-close{appearance:none;border:none;background:transparent;color:var(--muted);font-size:16px;cursor:pointer;padding:2px 4px}.report-modal-close:hover{color:var(--text)}.report-frame{flex:1;width:100%;border:none;background:#fff}.report-error{padding:24px;color:var(--fail);font-size:13px}