:root{color-scheme:light;--toolbar-h: 56px;--sidebar-w: 268px;--panel-w: 312px;--telemetry-h: 180px;--gutter: 10px;--pad-panel: 14px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);font-size:13px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;background:var(--c-bg, #f1f4f8);color:var(--c-text, #141d28);overflow:hidden;-webkit-user-select:none;user-select:none;cursor:default}button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}canvas{display:block}.app{height:100%;display:grid;grid-template-rows:var(--toolbar-h) minmax(0,1fr) var(--telemetry-h)}.toolbar{grid-row:1}.stage{grid-row:2}.telemetry{grid-row:3}.stage{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr) var(--panel-w);min-height:0}.sidebar{grid-column:1}.stage-main{grid-column:2}.panel{grid-column:3}.app.is-scenarios-collapsed{--sidebar-w: 0px}.app.is-inspector-collapsed{--panel-w: 0px}.app.is-telemetry-collapsed{--telemetry-h: 0px}.stage-main{position:relative;min-width:0;min-height:0;display:flex;padding:var(--gutter)}.rail{position:absolute;z-index:12;display:grid;place-items:center;border-radius:var(--r-pill, 999px);border:1px solid var(--c-border, #e4e9f0);background:var(--c-surface, #fff);color:var(--c-text-faint, #9aa7b6);box-shadow:var(--sh-card, 0 4px 14px rgba(20, 29, 40, .06));transition:color .13s ease,background .13s ease,border-color .13s ease}.rail:hover{color:var(--c-accent-dark, #0a8da0);border-color:var(--c-accent, #0fb5c9);background:var(--c-accent-soft, #e1f6f9)}.rail:active{transform:scale(.94)}.rail--left,.rail--right{top:50%;width:18px;height:52px;margin-top:-26px}.rail--left{left:-4px}.rail--right{right:-4px}.rail--bottom{left:50%;bottom:-4px;width:52px;height:18px;margin-left:-26px}.is-scenarios-collapsed .rail--left{left:4px}.is-inspector-collapsed .rail--right{right:4px}.is-telemetry-collapsed .rail--bottom{bottom:4px}.startup-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#141d2852;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.startup-card{display:flex;flex-direction:column;align-items:center;gap:12px;max-width:340px;padding:28px 32px;border-radius:var(--r-lg, 14px);background:var(--c-surface, #fff);box-shadow:var(--sh-card, 0 4px 14px rgba(20, 29, 40, .06));text-align:center}.startup-spinner{width:22px;height:22px;border-radius:50%;border:2.5px solid var(--c-border, #e4e9f0);border-top-color:var(--c-accent, #0fb5c9);animation:startup-spin .8s linear infinite}@keyframes startup-spin{to{transform:rotate(360deg)}}.startup-title{margin:0;font-size:13px;font-weight:600;color:var(--c-text, #141d28)}.startup-title--error{color:#8a2b2f}.startup-reason{margin:0;font-size:11.5px;font-family:var(--font-mono, monospace);color:var(--c-text-muted, #5f6e80);word-break:break-word}.startup-fallback{padding:7px 16px;border-radius:var(--r-pill, 999px);background:var(--c-accent, #0fb5c9);color:#fff;font-size:12px;font-weight:600}.startup-fallback:hover{background:var(--c-accent-dark, #0a8da0)}.startup-body{margin:0;font-size:12px;line-height:1.45;color:var(--c-text, #141d28)}.queue-position{margin:0;font-size:32px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-text, #141d28)}.queue-position span{font-size:13px;font-weight:500;color:var(--c-text-muted, #5f6e80)}.queue-bar{width:220px;height:6px;border-radius:var(--r-pill, 999px);background:var(--c-border, #e4e9f0);overflow:hidden}.queue-bar__fill{height:100%;background:var(--c-accent, #0fb5c9);transition:width .4s ease}.session-notice{position:fixed;top:calc(var(--toolbar-h) + var(--gutter) + 13px);left:50%;transform:translate(-50%);z-index:60;display:flex;align-items:center;gap:12px;padding:8px 10px 8px 14px;border-radius:var(--r-sm, 6px);border:1px solid #e5a23d;background:var(--c-surface, #fff);box-shadow:0 4px 14px #16191d24;font-size:12px;color:var(--c-text, #16191d)}.startup-secondary{font-size:11.5px;color:var(--c-text-muted, #5f6e80);text-decoration:underline}.perf-overlay{position:fixed;top:calc(var(--toolbar-h) + var(--gutter) + 13px);right:calc(var(--panel-w) + var(--gutter) + 13px);z-index:40;display:flex;flex-direction:column;gap:3px;padding:9px 12px;border-radius:var(--r-md, 10px);background:#141d28db;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font:500 11px/1.5 var(--font-mono, monospace);color:#fff;box-shadow:var(--sh-card, 0 4px 14px rgba(20, 29, 40, .2));pointer-events:none}.perf-row{display:flex;justify-content:space-between;gap:18px}.perf-row-label{color:#fff9}.viewport{position:relative;flex:1;min-width:0;min-height:0;overflow:hidden;border-radius:var(--r-lg, 14px);background:#cfe3f5;box-shadow:var(--sh-card, 0 4px 14px rgba(20, 29, 40, .06));border:1px solid var(--c-border, #e4e9f0)}.viewport-canvas{width:100%;height:100%}.viewport-stats{position:absolute;left:12px;bottom:12px;display:flex;gap:10px;align-items:center;padding:5px 11px;border-radius:var(--r-pill, 999px);background:#ffffffd6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font:500 10.5px/1 var(--font-mono, monospace);color:var(--c-text-muted, #5f6e80);box-shadow:0 1px 4px #141d2824;pointer-events:none}.stat-backend{font-weight:700;letter-spacing:.02em}.stat-backend--webgpu{color:var(--c-accent, #0fb5c9)}.stat-backend--webgl2{color:var(--c-warn, #ff7a1a)}.viewport-error{position:absolute;inset:0;display:flex;flex-direction:column;gap:6px;align-items:center;justify-content:center;background:var(--c-danger-soft, #fdecec);color:#8a2b2f;font-size:12.5px;padding:24px;text-align:center}.toolbar{display:flex;align-items:center;gap:14px;padding:0 var(--pad-panel);background:var(--c-surface, #fff);border-bottom:1px solid var(--c-border, #e4e9f0);z-index:20}.toolbar-group{display:flex;align-items:center;gap:6px}.toolbar-group--status{flex:1;justify-content:center;gap:12px}.toolbar-group--right{gap:8px}.brand{display:flex;align-items:center;gap:9px;padding-right:2px}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-name{font-size:13.5px;font-weight:700;letter-spacing:-.01em}.brand-sub{font-size:10.5px;color:var(--c-text-faint, #9aa7b6);max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{display:grid;place-items:center;width:30px;height:30px;border-radius:var(--r-sm, 6px);color:var(--c-text-muted, #5f6e80);transition:background .12s ease,color .12s ease}.icon-btn:hover:not(:disabled){background:var(--c-surface-sunken, #edf1f6);color:var(--c-text, #141d28)}.icon-btn:disabled{opacity:.4;cursor:default}.icon-btn.is-active{background:var(--c-accent-soft, #e1f6f9);color:var(--c-accent-dark, #0a8da0)}.transport{display:grid;place-items:center;width:34px;height:34px;border-radius:var(--r-pill, 999px);background:var(--c-accent, #0fb5c9);color:#fff;box-shadow:0 1px 3px #0fb5c966;transition:background .13s ease,transform .13s ease}.transport:hover{background:var(--c-accent-dark, #0a8da0)}.transport:active{transform:scale(.94)}.transport.is-paused{background:var(--c-warn, #ff7a1a);box-shadow:0 1px 3px #ff7a1a66}.status-pill{display:flex;align-items:center;gap:7px;padding:5px 11px 5px 9px;border-radius:var(--r-pill, 999px);background:var(--c-surface-sunken, #edf1f6);color:var(--c-text-faint, #9aa7b6);font-size:11.5px;font-weight:600}.status-pill.is-on{background:var(--c-ok-soft, #e6f9ee);color:#15803d}.status-dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 3px transparent}.status-pill.is-on .status-dot{background:var(--c-ok, #22c55e);animation:pulse-dot 2.4s ease-in-out infinite}@keyframes pulse-dot{0%,to{box-shadow:0 0 #22c55e73}60%{box-shadow:0 0 0 5px #22c55e00}}.readout{display:flex;align-items:baseline;gap:4px}.readout-value{font-size:19px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;min-width:30px;text-align:right}.readout-unit{font-size:10.5px;font-weight:600;color:var(--c-text-faint, #9aa7b6);letter-spacing:.02em}.readout--trip .readout-unit{white-space:nowrap}.readout--ttc .readout-value{color:var(--c-text-muted, #5f6e80);min-width:44px}.readout--ttc.is-critical .readout-value{color:var(--c-warn, #ff7a1a)}.mode-chip{display:flex;flex-direction:column;line-height:1.2;padding:4px 12px;border-left:1px solid var(--c-border, #e4e9f0)}.mode-chip--stop{border-left-color:var(--c-warn, #ff7a1a);background:linear-gradient(90deg,var(--c-warn-soft, #fff0e4),transparent)}.mode-chip--stop .mode-chip-title,.mode-chip--stop .mode-chip-sub{color:var(--c-warn, #ff7a1a)}.mode-chip--yield{border-left-color:#e8b84a;background:linear-gradient(90deg,rgba(232,184,74,.16),transparent)}.mode-chip--yield .mode-chip-title{color:#b8860b}.mode-chip--hazard{border-left-color:var(--c-danger, #e5484d);background:linear-gradient(90deg,var(--c-danger-soft, #fdecec),transparent)}.mode-chip--hazard .mode-chip-title,.mode-chip--hazard .mode-chip-sub{color:var(--c-danger, #e5484d)}.mode-chip-title{font-size:11.5px;font-weight:700;color:var(--c-accent-dark, #0a8da0)}.mode-chip-sub{font-size:10px;color:var(--c-text-faint, #9aa7b6);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-chip{padding:4px 9px;border-radius:var(--r-pill, 999px);border:1px solid var(--c-border, #e4e9f0);font:500 10px/1.4 var(--font-mono, monospace);color:var(--c-text-faint, #9aa7b6);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-chip--open{border-color:#22c55e59;background:var(--c-ok-soft, #e6f9ee);color:#15803d}.link-chip--error,.link-chip--closed,.link-chip--reconnecting{border-color:#ff7a1a59;background:var(--c-warn-soft, #fff0e4);color:#b4520d}.menu{position:relative}.menu-trigger{display:flex;align-items:center;gap:6px;height:30px;padding:0 8px;border-radius:var(--r-sm, 6px);color:var(--c-text-muted, #5f6e80);font-size:12px;font-weight:500}.menu-trigger:hover:not(:disabled),.menu-trigger.is-open{background:var(--c-surface-sunken, #edf1f6);color:var(--c-text, #141d28)}.menu-trigger:disabled{opacity:.4;cursor:default}.menu-list{position:absolute;right:0;top:calc(100% + 6px);min-width:148px;padding:5px;border-radius:var(--r-md, 10px);background:var(--c-surface, #fff);border:1px solid var(--c-border, #e4e9f0);box-shadow:var(--sh-raised, 0 14px 32px rgba(20, 29, 40, .1));z-index:40}.menu-item{display:block;width:100%;text-align:left;padding:7px 9px;border-radius:var(--r-sm, 6px);font-size:12.5px;color:var(--c-text-muted, #5f6e80)}.menu-item:hover{background:var(--c-surface-sunken, #edf1f6)}.menu-item.is-active{background:var(--c-accent-soft, #e1f6f9);color:var(--c-accent-dark, #0a8da0);font-weight:600}.sidebar{display:flex;flex-direction:column;min-height:0;background:var(--c-surface, #fff);border-right:1px solid var(--c-border, #e4e9f0)}.sidebar-head{padding:15px var(--pad-panel) 12px;border-bottom:1px solid var(--c-border, #e4e9f0)}.sidebar-eyebrow{font-size:9.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--c-accent, #0fb5c9)}.sidebar-title{margin:3px 0 2px;font-size:17px;font-weight:700;letter-spacing:-.02em}.sidebar-sub{margin:0;font-size:11.5px;color:var(--c-text-faint, #9aa7b6)}.scene-attribution{margin:5px 0 0;font-size:10px;line-height:1.3;color:var(--c-text-faint, #9aa7b6)}.location-search{padding:10px var(--pad-panel);border-bottom:1px solid var(--c-border, #e4e9f0);display:flex;flex-direction:column;gap:6px}.address-field{position:relative}.location-search input{width:100%;height:30px;padding:0 10px;border-radius:var(--r-sm, 6px);border:1px solid var(--c-border-strong, #d2dae5);background:var(--c-surface-sunken, #edf1f6);color:var(--c-text, #141d28);font:inherit;font-size:12px;transition:border-color .13s ease,background .13s ease}.location-search input::placeholder{color:var(--c-text-faint, #9aa7b6)}.location-search input:hover:not(:disabled){background:var(--c-surface, #fff)}.location-search input:focus-visible{border-color:var(--c-accent, #0fb5c9);background:var(--c-surface, #fff);outline:none}.location-search input:disabled{opacity:.65;cursor:not-allowed}.address-suggestions{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:20;margin:0;padding:4px;list-style:none;border-radius:var(--r-sm, 6px);border:1px solid var(--c-border-strong, #d2dae5);background:var(--c-surface, #fff);box-shadow:0 6px 18px #141d2824;max-height:180px;overflow-y:auto}.address-suggestion{padding:6px 8px;border-radius:var(--r-sm, 6px);font-size:12px;color:var(--c-text, #141d28);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.address-suggestion.is-highlighted,.address-suggestion:hover{background:var(--c-surface-sunken, #edf1f6)}.location-submit{display:flex;align-items:center;justify-content:center;gap:5px;align-self:flex-end;height:26px;padding:0 10px;border-radius:var(--r-pill, 999px);background:var(--c-surface-sunken, #edf1f6);color:var(--c-text-muted, #5f6e80);font-size:11px;font-weight:600;transition:background .13s ease,color .13s ease,transform .13s ease}.location-submit:hover:not(:disabled){background:var(--c-accent, #0fb5c9);color:#fff}.location-submit:active:not(:disabled){transform:scale(.95)}.location-submit:disabled{opacity:.4;cursor:default}.location-pending{margin:0;font-size:11px;color:var(--c-text-faint, #9aa7b6)}.location-progress-wrap{display:flex;flex-direction:column;gap:4px}.location-progress-track{height:4px;border-radius:var(--r-pill, 999px);background:var(--c-surface-sunken, #edf1f6);overflow:hidden}.location-progress-bar{height:100%;border-radius:inherit;background:var(--c-accent, #0fb5c9)}.location-progress-bar.is-indeterminate{width:40%;animation:location-progress-slide 1.1s ease-in-out infinite}@keyframes location-progress-slide{0%{transform:translate(-100%)}to{transform:translate(250%)}}.location-progress-stage{margin:0;font-size:10px;color:var(--c-text-faint, #9aa7b6)}.location-error{margin:0;font-size:11px;color:#b3363a}.location-trip-complete{margin:0;font-size:11px;color:#15803d}.scenario-list{flex:1;min-height:0;overflow-y:auto;padding:12px var(--pad-panel);display:flex;flex-direction:column;gap:8px}.sidebar-empty{margin:12px 0;font-size:12px;color:var(--c-text-faint, #9aa7b6)}.scenario{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px;border-radius:var(--r-md, 10px);border:1px solid var(--c-border, #e4e9f0);background:var(--c-surface, #fff);transition:border-color .13s ease,box-shadow .13s ease,background .13s ease}.scenario-group{display:flex;flex-direction:column;gap:8px}.scenario--preset{grid-template-columns:minmax(0,1fr) auto}.scenario:hover{border-color:var(--c-border-strong, #d2dae5);box-shadow:var(--sh-card, 0 4px 14px rgba(20, 29, 40, .06))}.scenario.is-active{border-color:#0fb5c98c;background:linear-gradient(0deg,#0fb5c90d,#0fb5c90d);box-shadow:0 0 0 2px var(--c-accent-ring, rgba(15, 181, 201, .28))}.scenario-thumb{position:relative;width:56px;height:46px;border-radius:var(--r-sm, 6px);overflow:hidden;border:1px solid var(--c-border, #e4e9f0);flex:none}.scenario-thumb canvas{position:absolute;inset:0}.scenario-body{min-width:0}.scenario-line{display:flex;align-items:baseline;gap:6px}.scenario-index{font:700 10px/1 var(--font-mono, monospace);color:var(--c-text-faint, #9aa7b6)}.scenario.is-active .scenario-index{color:var(--c-accent, #0fb5c9)}.scenario-name{margin:0;font-size:12.5px;font-weight:650;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.scenario-desc{margin:2px 0 4px;font-size:10.5px;line-height:1.3;color:var(--c-text-faint, #9aa7b6);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.scenario-meta{display:flex;align-items:center;gap:6px;overflow:hidden}.difficulty{flex:none;padding:1.5px 6px;border-radius:var(--r-pill, 999px);font-size:9px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.difficulty--easy{background:var(--c-ok-soft, #e6f9ee);color:#15803d}.difficulty--moderate{background:var(--c-accent-soft, #e1f6f9);color:#0a8da0}.difficulty--hard{background:var(--c-warn-soft, #fff0e4);color:#b4520d}.scenario-dur{flex:none;font-size:10px;white-space:nowrap;color:var(--c-text-faint, #9aa7b6)}.scenario-actions{display:flex;flex-direction:column;align-items:center;gap:5px}.ghost-btn{display:grid;place-items:center;width:26px;height:24px;border-radius:var(--r-sm, 6px);color:var(--c-text-faint, #9aa7b6);transition:color .12s ease,background .12s ease}.ghost-btn:hover{background:var(--c-surface-sunken, #edf1f6)}.ghost-btn.is-marked{color:var(--c-accent, #0fb5c9)}.play-btn{display:grid;place-items:center;width:26px;height:26px;border-radius:var(--r-pill, 999px);background:var(--c-surface-sunken, #edf1f6);color:var(--c-text-muted, #5f6e80);transition:background .13s ease,color .13s ease,transform .13s ease}.play-btn:hover:not(:disabled){background:var(--c-accent, #0fb5c9);color:#fff}.play-btn:active:not(:disabled){transform:scale(.92)}.play-btn:disabled{opacity:.4;cursor:default}.panel{display:flex;flex-direction:column;min-height:0;background:var(--c-surface, #fff);border-left:1px solid var(--c-border, #e4e9f0)}.panel-tabs{display:grid;grid-auto-flow:column;grid-auto-columns:auto;gap:3px;padding:8px var(--pad-panel);border-bottom:1px solid var(--c-border, #e4e9f0)}.panel-tab{display:flex;align-items:center;justify-content:center;gap:4px;height:30px;padding:0 3px;border-radius:var(--r-sm, 6px);color:var(--c-text-faint, #9aa7b6);font-size:11px;font-weight:600;transition:background .13s ease,color .13s ease}.panel-tab svg{flex:none}.panel-tab span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel-tab:hover{background:var(--c-surface-sunken, #edf1f6)}.panel-tab.is-active{background:var(--c-accent-soft, #e1f6f9);color:var(--c-accent-dark, #0a8da0)}.panel-body{flex:1;min-height:0;overflow-y:auto;padding:2px var(--pad-panel) var(--pad-panel)}.field{padding:12px 0;border-bottom:1px solid var(--c-border, #e4e9f0)}.field:last-child{border-bottom:0}.field-title{margin:0 0 10px;font-size:9.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--c-text-faint, #9aa7b6)}.field-body{display:flex;flex-direction:column;gap:12px}.ctl-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.ctl-label{display:flex;flex-direction:column;font-size:12px;font-weight:550;color:var(--c-text, #141d28);cursor:default}.ctl-hint{font-size:10px;font-weight:400;color:var(--c-text-faint, #9aa7b6)}.ctl-value{font:600 12px/1 var(--font-mono, monospace);color:var(--c-accent-dark, #0a8da0);font-variant-numeric:tabular-nums}.ctl-unit{margin-left:2px;font-size:10px;color:var(--c-text-faint, #9aa7b6)}.ctl-value--mono{color:var(--c-text-muted, #5f6e80)}.perception-panel{display:flex;flex-direction:column;gap:3px;font-size:11.5px;color:var(--c-text-muted, #5f6e80)}.perception-panel>div{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.perception-panel>div>span:last-child{font:600 11.5px/1 var(--font-mono, 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#5f6e80)}.scorecard-wrap{overflow-x:auto}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.scorecard{width:100%;border-collapse:collapse;font:600 11px/1.3 var(--font-mono, monospace)}.scorecard th,.scorecard td{padding:4px 6px;border-bottom:1px solid var(--c-border, #e4e9f0);text-align:right;white-space:nowrap}.scorecard th[scope=row],.scorecard thead th:first-child{text-align:left;font-family:inherit;color:var(--c-text-faint, #9aa7b6)}.telemetry{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--gutter);padding:0 var(--gutter) var(--gutter);min-height:0}.tcard{display:flex;flex-direction:column;min-width:0;min-height:0;border-radius:var(--r-lg, 14px);background:var(--c-surface, #fff);border:1px solid var(--c-border, #e4e9f0);box-shadow:var(--sh-card, 0 4px 14px rgba(20, 29, 40, .06));overflow:hidden}.tcard-head{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:9px 11px 2px}.tcard-head 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#d2dae5)}.scenario-list::-webkit-scrollbar-thumb:hover,.panel-body::-webkit-scrollbar-thumb:hover{background-color:var(--c-text-faint, #9aa7b6)}:focus-visible{outline:2px solid var(--c-accent, #0fb5c9);outline-offset:2px;border-radius:4px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}@media (max-width: 1320px){:root{--sidebar-w: 236px;--panel-w: 268px;--pad-panel: 10px}.scenario-thumb{width:48px;height:42px}.brand-sub{max-width:92px}.panel-tab span{display:none}}.swatch,.switch{position:relative}.rail:after,.swatch:after,.switch:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);min-width:24px;min-height:24px;width:100%;height:100%}.switch:after{z-index:0}.hazard-item{display:flex;flex-direction:column;gap:3px;min-width:0}.hazard-item .panel-action{width:100%}.hazard-limit{margin:0;font-size:10px;line-height:1.35;color:var(--c-text-muted, #5f6e80)}.ack-toast-region{position:fixed;top:calc(var(--toolbar-h) + var(--gutter) + 13px);left:calc(var(--sidebar-w) + var(--gutter) + 13px);z-index:40;pointer-events:none}.ack-toast{display:flex;align-items:center;gap:8px;margin:0;max-width:360px;padding:8px 12px;border-radius:var(--r-sm, 6px);border:1px solid var(--c-border, #e4e9f0);background:var(--c-surface, #fff);box-shadow:0 4px 14px #16191d24;font-size:12px;color:var(--c-text, #16191d)}.ack-toast code{font:600 10px/1 var(--font-mono, monospace);padding:2px 5px;border-radius:4px;background:var(--c-surface-sunken, #edf1f6);color:var(--c-text-muted, #5f6e80)}.ack-toast--error{border-color:#e5484d}.ack-toast--error code{background:var(--c-danger-soft, #fdecec);color:#b3363a}.help-dialog{position:fixed;top:calc(var(--toolbar-h) + var(--gutter) + 13px);right:calc(var(--panel-w) + var(--gutter) + 13px);z-index:45;width:320px;max-height:calc(100vh - var(--toolbar-h) - 2 * var(--gutter) - 26px);overflow:auto;padding:12px 14px;border-radius:var(--r-md, 8px);border:1px solid var(--c-border, #e4e9f0);background:var(--c-surface, #fff);box-shadow:0 8px 28px #16191d33;font-size:12px;color:var(--c-text, #16191d)}.help-head{display:flex;align-items:center;justify-content:space-between}.help-head h2{margin:0;font-size:14px}.help-close{font-size:11px;padding:3px 8px;border-radius:var(--r-sm, 6px);border:1px solid var(--c-border-strong, #d2dae5);color:var(--c-text-muted, #5f6e80)}.help-sub{margin:12px 0 4px;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--c-text-faint, #9aa7b6)}.help-list{margin:0;display:flex;flex-direction:column;gap:6px}.help-list>div{display:grid;grid-template-columns:96px 1fr;gap:8px;align-items:baseline}.help-list dt{font-weight:600;display:flex;align-items:center;gap:6px}.help-list dd{margin:0;color:var(--c-text-muted, #5f6e80)}.help-list kbd{font:600 11px/1 var(--font-mono, monospace);padding:3px 6px;border-radius:4px;border:1px solid var(--c-border-strong, #d2dae5);background:var(--c-surface-sunken, #edf1f6)}.help-swatch{width:14px;height:4px;border-radius:2px;flex:none}.help-swatch--plan{background:#2f80ed}.help-swatch--ref{background:#16191d}.help-swatch--hazard{background:#ff7a1a}.help-swatch--det{background:#5f6e80}.help-note{margin:0;color:var(--c-text-muted, #5f6e80);line-height:1.4}