:root{--font-sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:"SFMono-Regular", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;--bg:#f5f6f8;--bg-panel:#fff;--bg-elevated:#fff;--bg-subtle:#eef0f4;--bg-inset:#f8f9fb;--border:#e2e5ea;--border-strong:#cdd2da;--text:#1a1d23;--text-muted:#626b78;--text-faint:#98a1ae;--accent:#3b64f5;--accent-hover:#2f52d4;--accent-contrast:#fff;--shadow:0 1px 2px #1418210f, 0 4px 16px #1418210d;--error:#d6343b;--error-bg:#fdecec;--warning:#b7791f;--warning-bg:#fdf6e3;--info:#2f6fd6;--info-bg:#eaf2fd;--stage-bg:radial-gradient(circle at 1px 1px, #1418210f 1px, transparent 0);--stage-bg-size:20px 20px}:root[data-theme=dark]{--bg:#0e1016;--bg-panel:#161922;--bg-elevated:#1c2029;--bg-subtle:#1f2430;--bg-inset:#12151c;--border:#262b37;--border-strong:#333a48;--text:#e6e9ef;--text-muted:#99a2b2;--text-faint:#6b7382;--accent:#5b7cfa;--accent-hover:#6f8cfb;--accent-contrast:#fff;--shadow:0 1px 2px #0006, 0 8px 24px #00000059;--error:#f0666c;--error-bg:#2c1618;--warning:#e6b450;--warning-bg:#2a2213;--info:#79a6ff;--info-bg:#15202f;--stage-bg:radial-gradient(circle at 1px 1px, #ffffff0d 1px, transparent 0)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}.app{flex-direction:column;height:100%;display:flex}.header{background:var(--bg-panel);border-bottom:1px solid var(--border);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;height:56px;padding:0 20px;display:flex}.header__brand{align-items:center;gap:10px;display:flex}.header__logo{color:var(--accent);font-size:20px;line-height:1}.header__title{letter-spacing:-.01em;margin:0;font-size:16px;font-weight:650}.header__controls{align-items:center;gap:12px;display:flex}.control{flex-direction:column;gap:2px;display:flex}.control__label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);font-size:10px;font-weight:600}.select{appearance:none;color:var(--text);background:var(--bg-inset);border:1px solid var(--border);cursor:pointer;background-image:linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);background-position:calc(100% - 14px),calc(100% - 9px);background-repeat:no-repeat;background-size:5px 5px,5px 5px;border-radius:7px;padding:5px 26px 5px 10px;font-family:inherit;font-size:13px;transition:border-color .15s}.select:hover{border-color:var(--border-strong)}.select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:7px;padding:7px 14px;font-family:inherit;font-size:13px;font-weight:550;transition:background .15s,border-color .15s,color .15s,opacity .15s}.btn:disabled{opacity:.55;cursor:default}.btn--primary{background:var(--accent);color:var(--accent-contrast)}.btn--primary:not(:disabled):hover{background:var(--accent-hover)}.btn--ghost{color:var(--text-muted);border-color:var(--border);background:0 0;padding:5px 10px;font-size:12px}.btn--ghost:hover{color:var(--text);border-color:var(--border-strong);background:var(--bg-subtle)}.btn--icon{background:var(--bg-inset);border-color:var(--border);color:var(--text-muted);justify-content:center;align-items:center;width:34px;height:34px;padding:0;font-size:15px;display:inline-flex}.btn--icon:hover{color:var(--text);border-color:var(--border-strong)}.panes{flex:1;min-height:0;display:flex}.pane{flex-direction:column;flex:1 1 0;min-width:0;min-height:0;display:flex;overflow:hidden}.pane--editor{border-right:1px solid var(--border);background:var(--bg-panel)}.pane--preview{background:var(--bg)}.editor-loading{color:var(--text-muted);padding:16px;font-size:13px}.preview{flex-direction:column;flex:1;min-height:0;display:flex}.preview__tabs{border-bottom:1px solid var(--border);background:var(--bg-panel);flex-shrink:0;align-items:center;gap:2px;padding:8px 12px;display:flex}.preview__tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 12px;font-family:inherit;font-size:12.5px;font-weight:550;transition:background .15s,color .15s}.preview__tab:hover{color:var(--text);background:var(--bg-subtle)}.preview__tab--active{color:var(--accent);background:var(--bg-subtle)}.preview__actions{gap:6px;margin-left:auto;display:flex}.preview__stage{background-image:var(--stage-bg);background-size:var(--stage-bg-size);flex:1;justify-content:center;align-items:center;min-height:0;padding:24px;display:flex;position:relative;overflow:auto}.preview__svg,.preview__png{max-width:100%}.preview__svg :where(svg),.preview__png img{max-width:100%;height:auto;display:block}.preview__svg [data-element-id]{cursor:pointer}.preview__svg g.sync-active>rect:first-of-type,.preview__svg rect.sync-active{stroke:var(--accent)!important;stroke-width:3px!important}.preview__svg .sync-active{filter:drop-shadow(0 0 4px color-mix(in srgb, var(--accent) 55%, transparent))}.preview__png img{box-shadow:var(--shadow);background:#fff;border-radius:6px}.preview__message{text-align:center;color:var(--text-muted);flex-direction:column;align-items:center;gap:6px;max-width:360px;font-size:13.5px;display:flex}.preview__message--error{color:var(--error)}.preview__message--error strong{color:var(--text);font-size:14px}.preview__overlay{color:var(--text-muted);background:color-mix(in srgb, var(--bg) 70%, transparent);-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);z-index:5;justify-content:center;align-items:center;gap:10px;font-size:13px;display:flex;position:absolute;inset:0}.spinner{border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.preview__plantuml{align-self:stretch;width:100%;height:100%;position:relative}.preview__plantuml textarea{resize:none;width:100%;height:100%;font-family:var(--font-mono);color:var(--text);background:var(--bg-inset);border:1px solid var(--border);border-radius:8px;padding:14px;font-size:12.5px;line-height:1.6}.preview__plantuml textarea:focus-visible{outline:2px solid var(--accent);outline-offset:-1px}.preview__copy{z-index:2;background:var(--bg-elevated);position:absolute;top:10px;right:10px}.diagnostics{border-top:1px solid var(--border);background:var(--bg-panel);flex-shrink:0;max-height:30%;padding:10px 12px 12px;overflow:auto}.diagnostics--prominent{border-top:2px solid var(--error)}.diagnostics__header{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);align-items:center;gap:8px;margin-bottom:8px;font-size:11px;font-weight:650;display:flex}.diagnostics--prominent .diagnostics__header{color:var(--error)}.diagnostics__count{background:var(--bg-subtle);color:var(--text-muted);border-radius:10px;padding:1px 7px;font-size:10px}.diagnostics__list{flex-direction:column;gap:3px;margin:0;padding:0;list-style:none;display:flex}.diagnostic{border-radius:6px;grid-template-columns:18px 1fr auto;align-items:baseline;gap:8px;padding:5px 8px;font-size:12.5px;display:grid}.diagnostic:hover{background:var(--bg-subtle)}.diagnostic__badge{border-radius:5px;justify-content:center;align-items:center;width:16px;height:16px;font-size:10px;font-weight:700;line-height:1;display:inline-flex}.diagnostic__badge--error{color:var(--error);background:var(--error-bg)}.diagnostic__badge--warning{color:var(--warning);background:var(--warning-bg)}.diagnostic__badge--info{color:var(--info);background:var(--info-bg)}.diagnostic__message{color:var(--text);line-height:1.4}.diagnostic__loc{font-family:var(--font-mono);color:var(--text-faint);font-size:11px}.header__active{color:var(--text-muted);background:var(--bg-subtle);text-overflow:ellipsis;white-space:nowrap;border-radius:6px;max-width:220px;padding:3px 9px;font-size:12.5px;font-weight:550;overflow:hidden}.btn--icon-active{color:var(--accent);border-color:var(--accent)}.sidebar{background:var(--bg-panel);border-right:1px solid var(--border);flex-direction:column;flex:0 0 210px;width:210px;min-height:0;display:flex}.sidebar__head{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.sidebar__title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:11px;font-weight:650}.sidebar__new{padding:3px 8px;font-size:11.5px}.sidebar__list{flex-direction:column;gap:2px;min-height:0;margin:0;padding:6px;list-style:none;display:flex;overflow-y:auto}.sidebar__item{cursor:pointer;color:var(--text);border-radius:7px;align-items:center;gap:6px;padding:7px 9px;font-size:13px;transition:background .12s;display:flex}.sidebar__item:hover{background:var(--bg-subtle)}.sidebar__item--active{background:color-mix(in srgb, var(--accent) 16%, transparent);color:var(--text)}.sidebar__name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.sidebar__actions{flex-shrink:0;gap:2px;display:none}.sidebar__item:hover .sidebar__actions,.sidebar__item--active .sidebar__actions{display:flex}.sidebar__icon{color:var(--text-faint);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 4px;font-size:12px;line-height:1}.sidebar__icon:hover{color:var(--text);background:var(--bg-elevated)}.sidebar__rename{min-width:0;font:inherit;color:var(--text);background:var(--bg-inset);border:1px solid var(--accent);border-radius:5px;flex:1;padding:3px 6px;font-size:13px}.sidebar__rename:focus-visible{outline:none}.ctxmenu{z-index:100;background:var(--bg-elevated);border:1px solid var(--border-strong);min-width:190px;box-shadow:var(--shadow);border-radius:9px;flex-direction:column;gap:1px;padding:5px;display:flex;position:fixed}.ctxmenu__item{text-align:left;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:7px 10px;font-family:inherit;font-size:12.5px}.ctxmenu__item:hover{background:var(--accent);color:var(--accent-contrast)}.ctxmenu__sep{background:var(--border);height:1px;margin:3px 4px}.analytics{background:var(--bg-panel);border-left:1px solid var(--border);flex-direction:column;flex:0 0 280px;width:280px;min-height:0;display:flex;overflow-y:auto}.analytics__head{border-bottom:1px solid var(--border);background:var(--bg-panel);justify-content:space-between;align-items:center;padding:10px 14px;display:flex;position:sticky;top:0}.analytics__title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:11px;font-weight:650}.analytics__close{color:var(--text-faint);cursor:pointer;background:0 0;border:none;border-radius:5px;padding:2px 6px;font-size:13px}.analytics__close:hover{color:var(--text);background:var(--bg-subtle)}.analytics__summary{color:var(--text-muted);border-bottom:1px solid var(--border);gap:16px;padding:10px 14px;font-size:12.5px;display:flex}.analytics__summary strong{color:var(--text)}.analytics__section{border-bottom:1px solid var(--border);padding:12px 14px}.analytics__section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:8px;font-size:10.5px;font-weight:650}.analytics__hint{color:var(--text-muted);font-size:12.5px}.analytics__node-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600;overflow:hidden}.analytics__kind{color:var(--text-muted);margin-top:1px;font-size:11.5px}.analytics__metrics{flex-wrap:wrap;gap:10px 18px;margin:10px 0;display:flex}.analytics__metrics div{flex-direction:column;display:flex}.analytics__metrics dt{text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);font-size:10.5px}.analytics__metrics dd{font-variant-numeric:tabular-nums;color:var(--text);margin:0;font-size:14px;font-weight:600}.analytics__btns{flex-wrap:wrap;gap:6px;display:flex}.analytics__btns .btn{padding:4px 9px;font-size:11.5px}.analytics__hubs{counter-reset:hub;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.analytics__hub{text-align:left;width:100%;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:8px;padding:5px 8px;font-family:inherit;font-size:12.5px;display:flex}.analytics__hub:before{counter-increment:hub;content:counter(hub);color:var(--text-faint);flex-shrink:0;width:14px;font-size:10px}.analytics__hub:hover{background:var(--bg-subtle)}.analytics__hub--active{background:color-mix(in srgb, var(--accent) 16%, transparent)}.analytics__hub-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.analytics__hub-deg{font-variant-numeric:tabular-nums;color:var(--text-muted);flex-shrink:0;font-size:11px}.preview__svg .analytics-dim{opacity:.25;transition:opacity .15s}.preview__svg g.analytics-hi>rect:first-of-type,.preview__svg rect.analytics-hi,.preview__svg g.analytics-hi>circle,.preview__svg circle.analytics-hi{stroke:var(--accent)!important;stroke-width:3px!important}.preview__svg .analytics-hi{filter:drop-shadow(0 0 5px color-mix(in srgb, var(--accent) 60%, transparent))}@media (width<=860px){.panes{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border);flex:none;width:100%;max-height:120px}.analytics{border-left:none;border-top:1px solid var(--border);flex:none;width:100%;max-height:40%}.pane--editor{border-right:none;border-bottom:1px solid var(--border)}.header{flex-wrap:wrap;height:auto;padding:10px 14px}.header__controls{flex-wrap:wrap}}.assistant{background:var(--bg-panel);border-left:1px solid var(--border);flex-direction:column;width:340px;min-width:280px;display:flex}.assistant__header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.assistant__title{font-size:13px;font-weight:600}.assistant__notice,.assistant__hint{color:var(--text-muted);padding:12px;font-size:12px}.assistant__log{flex-direction:column;flex:1;gap:12px;padding:8px 12px;display:flex;overflow-y:auto}.assistant__prompt{color:var(--text);background:var(--bg-subtle);border-radius:8px;padding:8px 10px;font-size:12px}.assistant__mode{text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);margin-right:6px;font-size:10px}.assistant__busy{color:var(--text-faint);padding:6px 2px;font-size:12px}.assistant__error{color:#c0392b;padding:6px 2px;font-size:12px}.assistant__answer{color:var(--text);white-space:pre-wrap;padding:6px 2px;font-size:12px}.assistant__code{background:var(--bg-inset);border:1px solid var(--border);white-space:pre;border-radius:8px;max-height:260px;margin:6px 0 0;padding:8px 10px;font-size:11px;line-height:1.45;overflow:auto}.assistant__result-bar{justify-content:space-between;align-items:center;gap:8px;margin-top:6px;display:flex}.assistant__ok{color:#2e9e5b;font-size:11px}.assistant__warn{color:#c8871a;font-size:11px}.assistant__input{border-top:1px solid var(--border);flex-direction:column;gap:6px;padding:10px 12px;display:flex}.assistant__textarea{resize:vertical;min-height:56px;font:inherit;color:var(--text);background:var(--bg-inset);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:12px}.assistant__textarea:focus{border-color:var(--border-strong);outline:none}.btn--sim-active{color:#fff!important;background:#0c7489!important;border-color:#0c7489!important}:root[data-theme=dark] .btn--sim-active{background:#22808c!important;border-color:#22808c!important}.simbar{border-bottom:1px solid var(--border);background:var(--bg-subtle);flex-wrap:wrap;align-items:center;gap:8px;padding:8px 12px;display:flex}.simbar__btn{font:inherit;color:var(--text);background:var(--bg-panel);cursor:pointer;border:1px solid #0c748966;border-radius:6px;padding:5px 12px;font-size:12px;font-weight:500}.simbar__btn:hover:not(:disabled){color:#fff;background:#0c7489;border-color:#0c7489}.simbar__btn:focus-visible{outline-offset:2px;outline:2px solid #0c7489}.simbar__btn:disabled{opacity:.4;cursor:default;border-color:var(--border)}.simbar__btn--ghost{border-style:dashed}.simbar__state{color:var(--text-muted);margin-left:auto;font-size:12px}.simbar__state b{color:#0c7489}:root[data-theme=dark] .simbar__state b{color:#3fb7c2}.preview__svg svg.sim-on g[data-element-id]{opacity:.35;transition:opacity .25s}.preview__svg svg.sim-on g[data-element-id].sim-live{opacity:1}.preview__svg svg.sim-on g[data-element-id].sim-current rect{stroke:#0c7489;stroke-width:3px}:root[data-theme=dark] .preview__svg svg.sim-on g[data-element-id].sim-current rect{stroke:#3fb7c2}.simbar--hidden{display:none}.sidebar__count{font-variant-numeric:tabular-nums;color:var(--text-faint);background:var(--bg-subtle);border-radius:8px;flex-shrink:0;padding:1px 6px;font-size:10px}.sidebar__examples{flex-shrink:0;margin:6px 10px;font-size:12px}.sidebar__head--files{border-top:1px solid var(--border)}.sidebar__list--files{flex:1}.sidebar__item--file .sidebar__name{font-family:var(--mono,ui-monospace, monospace);font-size:12px}.header__file{color:var(--text-faint);font-weight:400}.viewsbar{border-bottom:1px solid var(--border);background:var(--bg-panel);flex-wrap:wrap;flex-shrink:0;align-items:center;gap:6px;padding:8px 12px;display:flex}.viewsbar__label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-right:4px;font-size:10.5px;font-weight:650}.viewsbar__chip{color:var(--text);background:var(--bg-subtle);border:1px solid var(--border);cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-family:inherit;font-size:12px;transition:background .12s,border-color .12s;display:inline-flex}.viewsbar__chip:hover{border-color:var(--border-strong);background:var(--bg-elevated)}.viewsbar__chip--active{background:color-mix(in srgb, var(--accent) 18%, transparent);border-color:var(--accent)}.viewsbar__chip--manual{color:var(--text-muted);background:0 0;border-style:dashed}.viewsbar__kind{text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);font-size:10px}.viewsbar__warn{color:var(--warning);font-weight:700}.parametrics{background:var(--bg-panel);border-left:1px solid var(--border);flex-direction:column;flex:0 0 300px;width:300px;min-height:0;display:flex;overflow-y:auto}.parametrics__head{border-bottom:1px solid var(--border);background:var(--bg-panel);z-index:1;justify-content:space-between;align-items:center;padding:10px 14px;display:flex;position:sticky;top:0}.parametrics__title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:11px;font-weight:650}.parametrics__close{color:var(--text-faint);cursor:pointer;background:0 0;border:none;border-radius:5px;padding:2px 6px;font-size:13px}.parametrics__close:hover{color:var(--text);background:var(--bg-subtle)}.parametrics__section{border-bottom:1px solid var(--border);padding:12px 14px}.parametrics__section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:8px;font-size:10.5px;font-weight:650}.parametrics__hint{color:var(--text-muted);padding:12px 14px;font-size:12.5px}.parametrics__table{border-collapse:collapse;width:100%;font-size:12.5px}.parametrics__table td{vertical-align:middle;padding:3px 4px}.parametrics__name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;max-width:110px;overflow:hidden}.parametrics__row--overridden .parametrics__name{color:var(--accent);font-weight:600}.parametrics__input{width:90px;font:inherit;font-variant-numeric:tabular-nums;color:var(--text);background:var(--bg-inset);border:1px solid var(--border);border-radius:5px;padding:3px 6px;font-size:12.5px}.parametrics__input:focus-visible{border-color:var(--accent);outline:none}.parametrics__unit{color:var(--text-faint);white-space:nowrap;font-size:11px}.parametrics__reset{color:var(--text-faint);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:1px 4px;font-size:13px}.parametrics__reset:hover{color:var(--text);background:var(--bg-subtle)}.parametrics__value{text-align:right;font-variant-numeric:tabular-nums;color:var(--text);font-weight:600}.parametrics__constraints{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.parametrics__constraint{align-items:center;gap:8px;min-width:0;font-size:12px;display:flex}.parametrics__badge{letter-spacing:.05em;color:var(--text-muted);background:var(--bg-subtle);border-radius:4px;flex-shrink:0;padding:2px 6px;font-size:9.5px;font-weight:700}.parametrics__badge--pass{color:#fff;background:#16a34a}.parametrics__badge--fail{color:#fff;background:var(--error)}.parametrics__constraint-name{color:var(--text);flex-shrink:0}.parametrics__expr{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--text-faint);flex:1;font-size:11px;overflow:hidden}.parametrics__errors{color:var(--error);margin:0;padding-left:18px;font-size:12px}.parametrics__error{color:var(--error);padding:12px 14px;font-size:12.5px}.parametrics__foot{color:var(--text-faint);border-top:1px solid var(--border);min-height:34px;margin-top:auto;padding:10px 14px;font-size:11px}@media (width<=860px){.parametrics{border-left:none;border-top:1px solid var(--border);flex:none;width:100%;max-height:45%}}.diagnostic--clickable{cursor:pointer}.diagnostic--clickable:hover{background:var(--bg-subtle)}.sidebar__head-actions{gap:4px;display:flex}.sim{flex-basis:320px;width:320px}.sim__plot{background:var(--bg-inset);border:1px solid var(--border);border-radius:8px;width:100%;height:auto}.sim__ground{stroke:var(--text-faint);stroke-width:1px}.sim__traj{fill:none;stroke:var(--accent);stroke-width:1.6px}.sim__start{fill:var(--accent)}.sim__target{stroke:var(--text);stroke-width:1.4px}.sim__zone{fill:#16a34a1a;stroke:#16a34a;stroke-dasharray:4 3;stroke-width:1.2px}.sim__cep{fill:none;stroke:var(--accent);stroke-width:1.4px}.sim__cep--fail{stroke:var(--error)}.sim__pt{fill:var(--text-muted);opacity:.85}.sim__pt--out{fill:var(--error)}.sim__axis{fill:var(--text-faint);font-size:8.5px}.sim__metrics{color:var(--text-muted);flex-wrap:wrap;gap:6px 14px;margin-top:8px;font-size:11.5px;display:flex}.sim__metrics strong{color:var(--text);font-variant-numeric:tabular-nums}.sim__trace-arrow{color:var(--text-faint);text-align:center;margin:8px 0;font-size:10.5px}.sim__seeds{color:var(--text-muted);justify-content:space-between;align-items:center;gap:8px;margin-top:10px;font-size:11.5px;display:flex}.trace{flex-basis:480px;width:480px}.trace__scroll{padding:10px 12px;overflow:auto}.trace__table{border-collapse:collapse;width:100%;font-size:12px}.trace__table th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);border-bottom:1px solid var(--border);padding:4px 6px;font-size:10px;font-weight:650}.trace__table td{border-bottom:1px solid var(--border);vertical-align:top;padding:6px}.trace__req{color:var(--text);min-width:110px;font-weight:600}.trace__expr{font-family:var(--mono,ui-monospace, monospace);color:var(--text-faint);text-overflow:ellipsis;white-space:nowrap;max-width:160px;margin-top:2px;font-size:10px;font-weight:400;overflow:hidden}.trace__cell{color:var(--text-muted)}.trace__def .trace__req{font-style:italic;font-weight:500}.trace__num{text-align:right;font-variant-numeric:tabular-nums;color:var(--text);white-space:nowrap}.trace__num--neg{color:var(--error);font-weight:700}@media (width<=860px){.trace{flex-basis:auto;width:100%}}.preview__viewport{cursor:grab;touch-action:none;position:absolute;inset:0;overflow:hidden}.preview__viewport:active{cursor:grabbing}.preview__canvas{transform-origin:0 0;width:max-content;position:absolute;top:0;left:0}.preview__viewport .preview__svg,.preview__viewport .preview__svg :where(svg){max-width:none}.preview__zoom{align-items:center;gap:1px;display:inline-flex}.preview__zoom-btn{padding:3px 7px;font-size:12px}.preview__zoom-level{text-align:center;font-variant-numeric:tabular-nums;min-width:42px;color:var(--text-muted);font-size:11px}.trace__head-actions{align-items:center;gap:2px;display:flex}.trace__head-actions .parametrics__close{font-size:11px}.trace__row--clickable{cursor:pointer}.trace__row--clickable:hover td{background:var(--bg-subtle)}.sim__bound{stroke:#16a34a;stroke-dasharray:5 3;stroke-width:1.2px}.sim__break{stroke:var(--warning);stroke-dasharray:2 2;stroke-width:1px}.sim__axis--break{fill:var(--warning)}.sim__sweep-controls{align-items:center;gap:6px;margin-bottom:6px;display:flex}.sim__sweep-controls .select{flex:1;min-width:0;font-size:11.5px}.sim__sweep-controls .parametrics__input{flex:1;width:auto;min-width:0}.sim__sweep-to{color:var(--text-faint)}.sim__sweep-run{white-space:nowrap;padding:4px 9px;font-size:11.5px}.trace__derive{color:var(--text-faint)}.parametrics__badge--sim{color:var(--accent);background:color-mix(in srgb, var(--accent) 14%, transparent)}.parametrics__bound{font-family:var(--mono,ui-monospace, monospace);color:var(--accent);opacity:.85;text-overflow:ellipsis;white-space:nowrap;max-width:130px;margin-top:1px;font-size:9.5px;overflow:hidden}.trace__id{font-family:var(--mono,ui-monospace, monospace);color:var(--accent);background:color-mix(in srgb, var(--accent) 12%, transparent);vertical-align:1px;border-radius:4px;margin-right:5px;padding:0 4px;font-size:9.5px;font-weight:600;display:inline-block}.login{background:var(--bg);background-image:var(--stage-bg);background-size:var(--stage-bg-size);min-height:100vh;font-family:var(--font-sans);color:var(--text);justify-content:center;align-items:center;display:flex}.login__card{background:var(--bg-panel);border:1px solid var(--border);width:min(360px,100vw - 48px);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;align-items:center;gap:14px;padding:36px 32px;display:flex}.login__brand{align-items:center;gap:10px;display:flex}.login__title{margin:0;font-size:18px;font-weight:600}.login__hint{color:var(--text-muted);margin:0 0 6px;font-size:13px}.login__google{min-height:44px}.login__divider{width:100%;color:var(--text-faint);align-items:center;gap:10px;font-size:12px;display:flex}.login__divider:before,.login__divider:after{content:"";border-top:1px solid var(--border);flex:1}.login__form{flex-direction:column;gap:8px;width:100%;display:flex}.login__label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px;font-weight:600}.login__input{font-size:14px;font-family:var(--font-sans);color:var(--text);background:var(--bg-inset);border:1px solid var(--border-strong);border-radius:8px;outline:none;padding:9px 12px}.login__input:focus{border-color:var(--accent)}.login__submit{justify-content:center;width:100%}.login__error{color:var(--error);background:var(--error-bg);text-align:center;box-sizing:border-box;border-radius:6px;width:100%;margin:0;padding:6px 10px;font-size:13px}