@import "https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Instrument+Sans:wght@400;500;600&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap";body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{box-sizing:border-box;margin:0;padding:0}:root{--bg-void:#0a0b0e;--bg-base:#0f1115;--bg-surface:#161a20;--bg-raised:#1c222b;--bg-elevated:#242c38;--bg-hover:#2d3745;--bd-faint:#ffffff0a;--bd-dim:#ffffff14;--bd-mid:#ffffff21;--bd-bright:#ffffff38;--tx-primary:#f1f5f9;--tx-secondary:#94a3b8;--tx-muted:#64748b;--amber:#f59e0b;--amber-dim:#f59e0b1a;--green:#10b981;--green-dim:#10b9811a;--red:#ef4444;--red-dim:#ef44441a;--blue:#3b82f6;--blue-dim:#3b82f61a;--font-ui:"Instrument Sans", system-ui, sans-serif;--font-data:"DM Mono", monospace;--font-display:"Plus Jakarta Sans", system-ui, sans-serif;--topbar-h:105px;--statusbar-h:24px;--sidebar-w:260px;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--glass-bg:#161a20b3;--glass-bd:#ffffff0f}@media (width<=1440px){:root{--sidebar-w:220px}}.app.theme-white{--bg-void:#f8fafc;--bg-base:#fff;--bg-surface:#f1f5f9;--bg-raised:#e2e8f0;--bg-elevated:#dee5ed;--bg-hover:#f1f5f9;--bd-faint:#0000000d;--bd-dim:#00000014;--bd-mid:#0000001f;--bd-bright:#0003;--tx-primary:#0f172a;--tx-secondary:#475569;--tx-muted:#94a3b8;--glass-bg:#fffc;--glass-border:#0000001a}.app.theme-black{--bg-void:#000;--bg-base:#0a0a0a;--bg-surface:#121212;--bg-raised:#181818;--bg-elevated:#222;--bg-hover:#2a2a2a;--bd-faint:#ffffff08;--bd-dim:#ffffff0f;--bd-mid:#ffffff1f;--bd-bright:#fff3;--tx-primary:#fff;--tx-secondary:#94a3b8;--tx-muted:#475569;--glass-bg:#000c;--glass-border:#ffffff1a}html,body{background:var(--bg-void);width:100dvw;height:100dvh;min-height:100dvh;color:var(--tx-primary);font-family:var(--font-ui);font-size:calc(13px / var(--app-scale,1));margin:0;padding:0;line-height:1.4;overflow:hidden}#root{zoom:var(--app-scale,1);min-width:calc(100dvw / var(--app-scale,1));width:calc(100dvw / var(--app-scale,1));min-height:calc(100dvh / var(--app-scale,1));height:calc(100dvh / var(--app-scale,1));flex-direction:column;display:flex;position:relative;overflow:hidden}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--bd-mid);border-radius:10px}.premium-card{background:var(--bg-surface);border:1px solid var(--bd-dim);border-radius:var(--radius-md);padding:20px;transition:all .3s cubic-bezier(.4,0,.2,1)}.premium-card:hover{border-color:var(--bd-mid);background:var(--bg-raised);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.premium-btn{cursor:pointer;letter-spacing:.3px;text-transform:none;border:none;border-radius:6px;align-items:center;gap:8px;padding:5px 14px;font-size:13px;font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex}.premium-btn.amber{background:linear-gradient(135deg, var(--amber) 0%, #fbbf24 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var(--app-scale,1));padding:0}.tool-icon{font-size:calc(20px / var(--app-scale,1));line-height:1}.tb-right{flex-shrink:0;justify-content:flex-end;align-items:center;gap:6px;padding:0 12px;display:flex}.rule-sel{background:var(--bg-elevated);border:1px solid var(--bd-dim);color:var(--tx-primary);cursor:pointer;font-size:11px;font-family:var(--font-data);border-radius:4px;padding:4px 8px}.rule-sel:focus{border-color:var(--amber);outline:none}.cur-btn{border:1px solid var(--bd-mid);background:var(--amber-dim);color:var(--amber);cursor:pointer;font-size:12.5px;font-weight:700;font-family:var(--font-data);white-space:nowrap;border-radius:4px;flex-shrink:0;padding:4px 9px}.cur-btn:hover{background:var(--amber);color:#111}.bg-btn{border:1px solid var(--bd-dim);width:26px;height:22px;color:var(--tx-muted);cursor:pointer;background:0 0;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:11.5px;font-weight:700;transition:all 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.15s}.btn-danger:hover{color:var(--red);background:0 0}.sidebar{background:var(--bg-base);border-right:1px solid var(--bd-faint);flex-direction:column;min-height:0;display:flex;overflow-y:auto}.layer-panel{background:var(--bg-surface);border-bottom:1px solid var(--bd-faint);padding:4px 0}.layer-row{color:var(--tx-secondary);align-items:center;gap:6px;padding:4px 10px;font-size:13px;display:flex}.layer-row:hover{background:var(--bg-elevated)}.layer-eye{cursor:pointer;color:var(--tx-muted);background:0 0;border:none;padding:0 2px;font-size:13px;transition:color .15s}.layer-eye:hover{color:var(--amber)}.layer-swatch{border-radius:1px;flex-shrink:0;width:8px;height:8px}.sb-section{flex-shrink:0}.sb-hdr{letter-spacing:.8px;color:var(--tx-muted);text-transform:uppercase;justify-content:space-between;align-items:center;padding:8px 12px 4px;font-size:11.5px;font-weight:600;display:flex}.sb-hdr-action{text-transform:none;letter-spacing:0;color:var(--amber);cursor:pointer;background:0 0;border:none;border-radius:3px;padding:0 4px;font-size:14px;font-weight:700}.sb-hdr-action:hover{background:var(--amber-dim)}.sb-item.active{border-left:2px solid var(--amber)!important;color:var(--tx-primary)!important;background:#3b82f626!important}.mca-btn.is-deduction{color:var(--red)!important;background:#ef44441a!important;border-color:#ef44444d!important}.sb-hdr-action-pill{background:var(--bg-elevated);border:1px solid var(--bd-dim);color:var(--tx-secondary);white-space:nowrap;cursor:pointer;border-radius:12px;align-items:center;gap:4px;padding:2px 8px;font-size:10px;font-weight:600;transition:all 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6px;font-size:10px;display:inline-flex}.sb-item-action:hover{background:var(--bg-surface);color:var(--tx-primary)}.sb-item.has-meas{color:var(--tx-primary)}.expand-btn{color:var(--tx-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;width:14px;padding:0;font-size:10px}.expand-btn:hover{color:var(--amber)}.group-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.sb-item-count{font-family:var(--font-data);color:var(--tx-muted);background:var(--bg-elevated);border-radius:2px;flex-shrink:0;margin-left:auto;padding:1px 5px;font-size:9px}.sb-divider{background:var(--bd-faint);height:1px;margin:3px 0}.rp-hdr-count{font-family:var(--font-data);color:var(--tx-muted);background:var(--bg-elevated);border-radius:2px;margin-left:auto;padding:1px 5px;font-size:10px}.center{background:var(--bg-void);flex-direction:column;height:100%;display:flex;overflow:hidden}.tab-bar{background:var(--bg-base);border-bottom:1px solid var(--bd-faint);flex-shrink:0;align-items:center;height:36px;padding:0 8px;display:flex;overflow-x:auto}.tab-bar::-webkit-scrollbar{height:0}.ctab{cursor:pointer;height:100%;color:var(--tx-muted);white-space:nowrap;border-bottom:2px solid #0000;flex-shrink:0;align-items:center;gap:5px;padding:0 14px;font-size:13px;transition:all .12s;display:flex}.ctab:hover{color:var(--tx-secondary)}.ctab.active{color:var(--tx-primary);border-bottom-color:var(--amber)}.ctab-dot{border-radius:50%;flex-shrink:0;width:5px;height:5px}.tab-spacer{flex:1}.add-meas-btn{border:1px solid var(--amber);background:var(--amber-dim);color:var(--amber);cursor:pointer;font-size:11px;font-weight:600;font-family:var(--font-ui);white-space:nowrap;border-radius:5px;padding:4px 12px;transition:all 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8px;font-size:10px;font-weight:700}.hud-chip.area,.hud-chip.oneclick,.hud-chip.volume{color:#93c5fd;background:#3b82f633}.hud-chip.linear,.hud-chip.polyline,.hud-chip.arc,.hud-chip.curve{color:#86efac;background:#22c55e33}.hud-chip.count,.hud-chip.autocount{color:#fcd34d;background:#f5a62333}.hud-val{color:var(--tx-primary);font-weight:600}.canvas-prompt{border:1px solid var(--amber);color:var(--amber);pointer-events:none;white-space:nowrap;z-index:10;background:#0a0c0fe6;border-radius:8px;padding:7px 16px;font-size:12px;position:absolute;bottom:60px;left:50%;transform:translate(-50%)}.osnap-badge{border:1px solid var(--amber);font-size:10px;font-family:var(--font-data);color:var(--amber);pointer-events:none;background:#f5a62333;border-radius:4px;padding:3px 8px;position:absolute;top:10px;right:60px}.canvas-controls{z-index:10;flex-direction:column;gap:4px;display:flex;position:absolute;bottom:14px;right:14px}.cc-btn{background:var(--bg-raised);border:1px solid var(--bd-mid);width:32px;height:32px;color:var(--tx-secondary);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;font-size:16px;transition:all .15s;display:flex}.cc-btn:hover{background:var(--bg-elevated);color:var(--tx-primary);border-color:var(--bd-bright)}.zoom-pct{background:var(--bg-raised);border:1px solid var(--bd-dim);font-size:9px;font-family:var(--font-data);color:var(--tx-muted);text-align:center;border-radius:4px;padding:2px 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span:hover{color:var(--tx-secondary,#94a3b8)}.premium-modal-overlay{backdrop-filter:blur(12px);z-index:9999;background:#030712d9;justify-content:center;align-items:center;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.premium-modal-content{background:var(--sidebar-bg);-webkit-backdrop-filter:blur(24px);width:100%;max-width:420px;color:var(--tx-primary,#f1f5f9);border:1px solid #ffffff14;border-radius:16px;padding:32px;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;box-shadow:0 25px 50px -12px #00000080}.premium-modal-title{color:#fff;letter-spacing:-.01em;margin-top:0;margin-bottom:24px;font-size:1.5rem;font-weight:700}.premium-input-group{margin-bottom:20px}.premium-label{color:var(--tx-secondary,#94a3b8);margin-bottom:8px;font-size:.875rem;font-weight:500;display:block}.premium-input{color:#fff;background:#0003;border:1px solid #ffffff1a;border-radius:10px;width:100%;padding:12px 16px;font-size:.95rem;transition:all .2s}.premium-input:focus{background:#0000004d;border-color:#f59e0b80;outline:none;box-shadow:0 0 0 3px #f59e0b1a}.premium-modal-actions{justify-content:flex-end;gap:12px;margin-top:32px;display:flex}.premium-btn-cancel{color:var(--tx-secondary,#94a3b8);cursor:pointer;background:0 0;border:1px solid #ffffff1a;border-radius:10px;padding:10px 18px;font-weight:600;transition:all .2s}.premium-btn-cancel:hover{color:#fff;background:#ffffff0d}.premium-btn-submit{background:linear-gradient(135deg, var(--amber,#f59e0b) 0%, #ff8c00 100%);color:#030712;cursor:pointer;border:none;border-radius:10px;padding:10px 20px;font-weight:700;transition:all .2s;box-shadow:0 4px 12px #f59e0b40}.premium-btn-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px #f59e0b59}.premium-btn-submit:disabled{opacity:.5;cursor:not-allowed;color:#ffffff4d;box-shadow:none;background:#ffffff1a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}