:root{--bg:#07111f;--panel:#0c1929;--panel2:#101f31;--line:#21354a;--text:#eef6ff;--muted:#8fa3b8;--cyan:#22d3ee;--blue:#2f7df6;--other:#f59e0b;--green:#35d07f;--yellow:#f8c94b;--red:#ff5f68;--radius:16px}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;min-width:320px;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 48% -20%,#16314c 0,transparent 35%),var(--bg)}button,input,select{font:inherit}.topbar{display:flex;align-items:flex-end;justify-content:space-between;padding:22px 28px 18px;border-bottom:1px solid var(--line);background:rgba(7,17,31,.84);backdrop-filter:blur(14px);position:sticky;top:0;z-index:5}.eyebrow,.section-kicker{margin:0 0 5px;color:var(--cyan);font-size:10px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}.topbar h1{margin:0;font-size:clamp(22px,3vw,34px);letter-spacing:-.035em}.subtitle{margin:6px 0 0;color:var(--muted);font-size:13px}.clock-card{min-width:142px;padding:11px 14px;border:1px solid #29415a;border-radius:12px;background:#0d1b2b;text-align:right}.clock-card span,.hero-metrics span{display:block;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.14em}.clock-card strong{display:block;margin-top:2px;color:var(--cyan);font:700 23px ui-monospace,SFMono-Regular,Menlo,monospace}.app-grid{display:grid;grid-template-columns:minmax(320px,380px) minmax(620px,1fr);gap:16px;padding:16px 28px}.panel,.canvas-card,.metrics-panel{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(16,31,49,.98),rgba(10,23,38,.98));box-shadow:0 18px 50px rgba(0,0,0,.18)}.controls{padding:18px;align-self:start;max-height:calc(100vh - 132px);overflow:auto;scrollbar-color:#2b4761 transparent}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-heading h2{font-size:18px;margin:0}.text-button{border:0!important;background:transparent!important;color:var(--muted)!important;padding:4px!important}.text-button:hover{color:var(--text)!important}.validation{padding:10px 12px;margin:12px 0;border:1px solid rgba(255,95,104,.5);border-radius:9px;background:rgba(255,95,104,.09);color:#ffc6c9;font-size:12px;line-height:1.5}details{margin-top:13px;border-top:1px solid var(--line);padding-top:12px}summary{cursor:pointer;list-style:none;font-size:12px;font-weight:800;letter-spacing:.02em}summary::-webkit-details-marker{display:none}summary::after{content:"⌄";float:right;color:var(--muted)}details:not([open]) summary::after{content:"›"}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px}.av-dot{background:var(--blue);box-shadow:0 0 8px var(--blue)}.other-dot{background:var(--other);box-shadow:0 0 8px var(--other)}.fields{display:grid;gap:9px;margin-top:11px}.two-col{grid-template-columns:1fr 1fr}.span-2{grid-column:span 2}label{display:flex;flex-direction:column;gap:4px;color:var(--muted);font-size:10px;font-weight:700}label small{font-size:9px;line-height:1.35;font-weight:500;color:#7189a0}input,select{min-width:0;width:100%;height:34px;padding:0 9px;border:1px solid #294159;border-radius:8px;background:#081522;color:var(--text);outline:none;font-size:12px;font-weight:600}input:focus,select:focus{border-color:var(--cyan);box-shadow:0 0 0 2px rgba(34,211,238,.12)}.example-row{display:grid;grid-template-columns:1fr 110px;align-items:end;gap:9px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}button{height:36px;padding:0 11px;border:1px solid #314b64;border-radius:9px;background:#12263a;color:#d9e7f5;font-size:11px;font-weight:800;cursor:pointer;transition:.18s}button:hover{filter:brightness(1.14);transform:translateY(-1px)}button:active{transform:translateY(0)}button.primary{border-color:#3e8cff;background:linear-gradient(135deg,#2676ed,#1858c0);color:#fff;box-shadow:0 8px 20px rgba(31,111,239,.25)}button.secondary{border-color:#315675;background:#142b40}.transport{display:grid;grid-template-columns:1.15fr 1fr .8fr .85fr;gap:7px;margin-top:10px}.workspace{display:flex;flex-direction:column;gap:16px;min-width:0}.canvas-card{overflow:hidden}.canvas-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line)}.legend{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:10px;font-weight:700}.legend span{display:flex;align-items:center;gap:6px}.legend b{font-weight:700}.legend i{width:12px;height:7px;border-radius:2px}.legend-av{background:var(--blue)}.legend-other{background:var(--other)}.legend-zone{border:1px dashed var(--cyan);background:rgba(34,211,238,.1)}.legend-min{width:8px!important;height:8px!important;border-radius:50%!important;background:white;box-shadow:0 0 0 2px rgba(255,255,255,.25)}.risk-badge{display:flex;align-items:center;gap:7px;padding:6px 9px;border-radius:999px;font-size:10px;font-weight:800;white-space:nowrap}.risk-badge i{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}.risk-badge.green{color:var(--green);background:rgba(53,208,127,.1)}.risk-badge.yellow{color:var(--yellow);background:rgba(248,201,75,.1)}.risk-badge.red{color:var(--red);background:rgba(255,95,104,.1)}#simCanvas{display:block;width:100%;height:min(52vh,520px);min-height:400px;background:#091827}.canvas-note{padding:8px 14px;border-top:1px solid var(--line);color:#698198;font-size:9px;letter-spacing:.03em}.metrics-panel{padding:16px}.classification{padding:6px 9px;border-radius:7px;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;background:#16283a;color:var(--muted)}.classification.collision{background:rgba(255,95,104,.13);color:var(--red)}.classification.near{background:rgba(248,201,75,.13);color:var(--yellow)}.classification.safe{background:rgba(53,208,127,.13);color:var(--green)}.hero-metrics{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-top:13px}.hero-metrics article{min-height:88px;padding:13px;border:1px solid #223b52;border-radius:11px;background:#091725}.hero-metrics strong{display:block;margin:9px 0 4px;font-size:14px}.hero-metrics small{color:#688096;font-size:9px}.data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:12px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--line)}.data-grid>div{padding:10px 12px;background:#0a1928}.data-grid span{display:block;color:var(--muted);font-size:9px}.data-grid b{display:block;margin-top:4px;font:600 10px ui-monospace,SFMono-Regular,Menlo,monospace}.method-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0 28px 30px;padding-top:4px}.method-strip article{display:flex;gap:12px;padding:15px;border:1px solid var(--line);border-radius:13px;background:rgba(12,25,41,.7)}.method-strip article>span{color:var(--cyan);font:800 11px ui-monospace,monospace}.method-strip h3{margin:0 0 5px;font-size:12px}.method-strip p{margin:0;color:var(--muted);font-size:10px;line-height:1.55}@media(max-width:1050px){.app-grid{grid-template-columns:330px minmax(0,1fr);padding:14px}.topbar{padding-inline:18px}.method-strip{margin-inline:14px}.data-grid{grid-template-columns:1fr 1fr}.hero-metrics{grid-template-columns:1fr}.hero-metrics article{min-height:70px}}@media(max-width:800px){body{overflow:auto}.topbar{position:static;align-items:flex-start}.clock-card{min-width:120px}.subtitle{max-width:390px}.app-grid{grid-template-columns:1fr}.controls{max-height:none}.workspace{min-width:0}.canvas-toolbar{align-items:flex-start;flex-direction:column}#simCanvas{height:430px;min-height:340px}.method-strip{grid-template-columns:1fr}.data-grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.topbar{padding:16px}.subtitle{display:none}.clock-card{min-width:100px}.clock-card strong{font-size:18px}.app-grid{padding:10px}.two-col{grid-template-columns:1fr}.span-2{grid-column:auto}.transport{grid-template-columns:1fr 1fr}.example-row{grid-template-columns:1fr}.data-grid{grid-template-columns:1fr}.method-strip{margin-inline:10px}.legend{gap:8px}#simCanvas{height:360px}}
.scenario-description{margin:7px 0 0;padding:8px 10px;border-left:2px solid var(--cyan);border-radius:0 7px 7px 0;background:rgba(34,211,238,.055);color:#8fa9bf;font-size:9px;line-height:1.45}
.legend-lidar{width:12px!important;height:12px!important;border:1px solid rgba(92,190,255,.9);border-radius:50%!important;background:radial-gradient(circle,rgba(92,190,255,.55),rgba(92,190,255,.08) 48%,transparent 50%);box-shadow:0 0 5px rgba(75,174,255,.55)}
.road-description{margin:6px 0 0;color:var(--muted);font-size:9px;line-height:1.45}.checkbox-field{align-self:end;min-height:34px;flex-direction:row;align-items:center;gap:8px;padding:7px 9px;border:1px solid #294159;border-radius:8px;background:#081522}.checkbox-field input{width:15px;height:15px;min-width:15px;margin:0;accent-color:var(--cyan)}.checkbox-field span{color:var(--text);font-size:10px}

/* Interactive scene editing and traffic-control toolbox */
.tool-help{margin:9px 0;color:var(--muted);font-size:9px;line-height:1.45}.device-add-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.device-add-grid button{height:32px;padding:0 7px;font-size:9px}.device-inspector{margin-top:10px;padding:10px;border:1px solid var(--line);border-radius:10px;background:rgba(7,17,31,.28)}.inspector-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.inspector-title b{font-size:10px}.inspector-title span{color:var(--cyan);font-size:9px}.device-actions{display:flex;justify-content:flex-end;gap:6px;margin-top:9px}.device-actions button{height:30px}.danger{color:#ff9ca2!important;border-color:rgba(255,95,104,.45)!important}.canvas-stage{position:relative;overflow:hidden;background:var(--canvas-bg)}.annotation-toolbar{display:flex;align-items:center;gap:4px;position:absolute;z-index:3;left:10px;top:10px;max-width:calc(100% - 120px);padding:5px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 91%,transparent);box-shadow:0 7px 20px rgba(0,0,0,.2);backdrop-filter:blur(10px)}.annotation-toolbar span{width:1px;height:20px;margin:0 2px;background:var(--line)}.annotation-toolbar button,.zoom-controls button{width:29px;height:29px;padding:0;border-radius:7px}.annotation-toolbar button:last-child{width:auto;padding:0 7px}.annotation-toolbar .active{border-color:var(--cyan);color:var(--cyan);background:rgba(34,211,238,.13)}.zoom-controls{display:flex;align-items:center;gap:3px;position:absolute;z-index:3;right:10px;top:10px;padding:5px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 91%,transparent);box-shadow:0 7px 20px rgba(0,0,0,.2)}.zoom-controls b{min-width:38px;color:var(--muted);font:700 9px ui-monospace,monospace;text-align:center}.edit-hint{position:absolute;z-index:2;left:50%;bottom:10px;transform:translateX(-50%);max-width:80%;padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--panel) 86%,transparent);color:var(--muted);font-size:9px;pointer-events:none;white-space:nowrap}#simCanvas{touch-action:none;cursor:crosshair}.canvas-stage:has(.tool[data-tool="select"].active) #simCanvas{cursor:default}
.timing-group{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:2px;padding:9px;border:1px solid color-mix(in srgb,var(--cyan) 28%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--cyan) 5%,transparent)}.timing-group[hidden]{display:none}.timing-group>label:only-of-type,.timing-note{grid-column:1/-1}.timing-note{color:var(--muted);font-size:9px;line-height:1.4}.timing-heading{grid-column:1/-1;color:var(--cyan);font-size:10px;letter-spacing:.04em}.signal-timing:not([hidden]){display:grid!important}
.phase-choice{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:0;padding:0;border:0}.phase-choice legend{margin-bottom:6px;color:var(--muted);font-size:9px;font-weight:700}.phase-choice label{display:flex;min-height:32px;flex-direction:row;align-items:center;justify-content:center;gap:7px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--panel) 86%,transparent);cursor:pointer}.phase-choice input{width:14px;height:14px;margin:0;accent-color:var(--cyan)}.phase-choice span{font-size:9px;font-weight:800;letter-spacing:.02em}
:root[data-theme="light"] .device-inspector{background:rgba(239,245,250,.7)}
@media(max-width:700px){.annotation-toolbar{right:10px;max-width:none;overflow-x:auto}.zoom-controls{top:53px}.edit-hint{white-space:normal;text-align:center}.device-add-grid,.timing-group{grid-template-columns:1fr}}

/* Light/dark appearance. Device preference is used until the visitor chooses a mode. */
:root{color-scheme:dark;--canvas-bg:#091827;--canvas-grid:#142b3e;--road:#172633;--road-edge:#526474;--road-lane:#83909a;--road-arrow:rgba(225,235,242,.38);--canvas-label:#eef6ff;--marker:#fff;--marker-label:#d9e7f5;--tire:#0a1420;--window:#8ed4f8}
.topbar-actions{display:flex;align-items:center;gap:10px}.theme-toggle,.license-button{display:flex;align-items:center;justify-content:center;gap:7px;height:42px;padding:0 11px}.theme-toggle{min-width:82px}.license-button{min-width:88px;border-color:color-mix(in srgb,var(--cyan) 32%,var(--line));background:color-mix(in srgb,var(--cyan) 7%,var(--panel));color:var(--text)}.license-button>span:first-child{display:grid;place-items:center;width:19px;height:19px;border:1px solid color-mix(in srgb,var(--cyan) 55%,var(--line));border-radius:50%;color:var(--cyan);font-size:11px}.theme-icon{font-size:15px}
:root[data-theme="light"]{color-scheme:light;--bg:#eef3f8;--panel:#fff;--panel2:#f6f9fc;--line:#d6e0e9;--text:#122033;--muted:#597087;--cyan:#087e9a;--blue:#1768d1;--other:#b86600;--green:#087f49;--yellow:#9a6a00;--red:#c92e3a;--canvas-bg:#dfe8ef;--canvas-grid:#c9d6df;--road:#4b5963;--road-edge:#273844;--road-lane:#edf3f6;--road-arrow:rgba(255,255,255,.55);--canvas-label:#102334;--marker:#152b3b;--marker-label:#203b4d;--tire:#17232c;--window:#b9e3f4}
:root[data-theme="light"] body{background:radial-gradient(circle at 48% -20%,#cfe5f4 0,transparent 35%),var(--bg)}
:root[data-theme="light"] .topbar{background:rgba(247,250,253,.9)}
:root[data-theme="light"] .clock-card,:root[data-theme="light"] .panel,:root[data-theme="light"] .canvas-card,:root[data-theme="light"] .metrics-panel,:root[data-theme="light"] .method-strip article{background:#fff;box-shadow:0 18px 50px rgba(34,65,88,.08)}
:root[data-theme="light"] .clock-card{border-color:#c5d2dc}
:root[data-theme="light"] input,:root[data-theme="light"] select{border-color:#bdcbd7;background:#fff}
:root[data-theme="light"] .checkbox-field{border-color:#bdcbd7;background:#fff}
:root[data-theme="light"] button{border-color:#bccbd6;background:#f4f7fa;color:var(--text)}
:root[data-theme="light"] button.secondary{border-color:#b6cbd9;background:#edf4f9}
:root[data-theme="light"] .hero-metrics article{border-color:var(--line);background:#f7fafc}
:root[data-theme="light"] .data-grid>div{background:#fbfdff}
:root[data-theme="light"] .classification{background:#e8eef3}
:root[data-theme="light"] .canvas-note,:root[data-theme="light"] .hero-metrics small,:root[data-theme="light"] label small{color:#657b8e}
:root[data-theme="light"] .scenario-description{color:#4e6b80;background:rgba(8,126,154,.06)}
:root[data-theme="light"] #simCanvas{background:var(--canvas-bg)}

/* Dedicated synchronized driver view. It sits outside the animation canvas. */
.cockpit-panel{position:relative;width:100%;overflow:hidden;border-top:1px solid rgba(118,205,255,.35);background:#071424;box-shadow:inset 0 12px 30px rgba(0,0,0,.2)}
.cockpit-head{display:flex;align-items:center;justify-content:space-between;height:34px;padding:0 12px 0 14px;border-bottom:1px solid rgba(118,205,255,.2);color:#bcecff;font-size:9px;font-weight:900;letter-spacing:.13em}.cockpit-head span{display:flex;align-items:center;gap:7px}.cockpit-head i{width:7px;height:7px;border-radius:50%;background:#38e58c;box-shadow:0 0 9px #38e58c}.cockpit-head button{width:28px;height:24px;padding:0;border:0;background:transparent;color:#bcecff;font-size:16px}.cockpit-body{position:relative;height:clamp(220px,29vw,330px)}.cockpit-panel.is-collapsed .cockpit-head{border-bottom:0}.cockpit-panel.is-collapsed .cockpit-body{display:none}#cockpitCanvas{display:block;width:100%;height:100%;background:#071424}.cockpit-status{position:absolute;top:9px;left:12px;right:12px;display:flex;justify-content:space-between;gap:8px;pointer-events:none}.cockpit-status span,.cockpit-status b{padding:5px 8px;border:1px solid rgba(118,205,255,.28);border-radius:7px;background:rgba(3,12,23,.78);color:#e7f8ff;font:800 9px ui-monospace,monospace}.cockpit-status b{max-width:58%;overflow:hidden;color:#72e7ff;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:560px){.cockpit-body{height:180px}.cockpit-head{font-size:8px}.cockpit-status b{max-width:52%}}
@media(prefers-color-scheme:light){:root:not([data-theme]){color-scheme:light;--bg:#eef3f8;--panel:#fff;--panel2:#f6f9fc;--line:#d6e0e9;--text:#122033;--muted:#597087;--cyan:#087e9a;--blue:#1768d1;--other:#b86600;--green:#087f49;--yellow:#9a6a00;--red:#c92e3a;--canvas-bg:#dfe8ef;--canvas-grid:#c9d6df;--road:#4b5963;--road-edge:#273844;--road-lane:#edf3f6;--road-arrow:rgba(255,255,255,.55);--canvas-label:#102334;--marker:#152b3b;--marker-label:#203b4d;--tire:#17232c;--window:#b9e3f4}:root:not([data-theme]) body{background:radial-gradient(circle at 48% -20%,#cfe5f4 0,transparent 35%),var(--bg)}:root:not([data-theme]) .topbar{background:rgba(247,250,253,.9)}:root:not([data-theme]) .clock-card,:root:not([data-theme]) .panel,:root:not([data-theme]) .canvas-card,:root:not([data-theme]) .metrics-panel,:root:not([data-theme]) .method-strip article{background:#fff;box-shadow:0 18px 50px rgba(34,65,88,.08)}:root:not([data-theme]) .clock-card{border-color:#c5d2dc}:root:not([data-theme]) input,:root:not([data-theme]) select{border-color:#bdcbd7;background:#fff}:root:not([data-theme]) button{border-color:#bccbd6;background:#f4f7fa;color:var(--text)}:root:not([data-theme]) button.secondary{border-color:#b6cbd9;background:#edf4f9}:root:not([data-theme]) .hero-metrics article{border-color:var(--line);background:#f7fafc}:root:not([data-theme]) .data-grid>div{background:#fbfdff}:root:not([data-theme]) .classification{background:#e8eef3}:root:not([data-theme]) .canvas-note,:root:not([data-theme]) .hero-metrics small,:root:not([data-theme]) label small{color:#657b8e}:root:not([data-theme]) .scenario-description{color:#4e6b80;background:rgba(8,126,154,.06)}:root:not([data-theme]) #simCanvas{background:var(--canvas-bg)}}
@media(max-width:520px){.topbar-actions{gap:6px}.theme-toggle,.license-button{min-width:40px;width:40px;padding:0}.theme-label,.license-label{display:none}}
@media(prefers-reduced-motion:reduce){body,#simCanvas{transition:none}button{transition:none}}

/* Ownership notice and license dialog. */
.site-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 28px 24px;padding:14px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.site-footer button{height:30px;border:0;background:transparent;color:var(--cyan);padding:0;font-size:10px}.license-dialog{width:min(760px,calc(100vw - 28px));max-height:min(84vh,780px);padding:0;border:1px solid var(--line);border-radius:18px;background:var(--panel);color:var(--text);box-shadow:0 30px 100px rgba(0,0,0,.62)}.license-dialog::backdrop{background:rgba(2,8,16,.76);backdrop-filter:blur(5px)}.license-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 22px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--panel) 96%,transparent);backdrop-filter:blur(16px)}.license-head h2{margin:0;font-size:21px;letter-spacing:-.02em}.license-head button{width:34px;height:34px;padding:0;font-size:20px}.license-body{display:grid;gap:12px;padding:19px 22px 22px;overflow:auto}.copyright-card{display:flex;align-items:center;gap:13px;padding:14px;border:1px solid color-mix(in srgb,var(--cyan) 30%,var(--line));border-radius:12px;background:linear-gradient(135deg,color-mix(in srgb,var(--cyan) 9%,transparent),color-mix(in srgb,var(--blue) 8%,transparent))}.copyright-mark{display:grid;place-items:center;flex:0 0 38px;width:38px;height:38px;border:1px solid color-mix(in srgb,var(--cyan) 58%,var(--line));border-radius:50%;color:var(--cyan);font-size:20px;font-weight:800}.copyright-card strong,.copyright-card small{display:block}.copyright-card strong{font-size:13px}.copyright-card small{margin-top:3px;color:var(--muted);font-size:10px}.license-body section{padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:color-mix(in srgb,var(--panel2) 84%,transparent)}.license-body h3{margin:0 0 6px;color:var(--cyan);font-size:10px;letter-spacing:.1em;text-transform:uppercase}.license-body p,.license-body blockquote{margin:0;color:var(--muted);font-size:10px;line-height:1.65}.license-body blockquote{margin-top:8px;padding:9px 11px;border-left:2px solid var(--cyan);border-radius:0 8px 8px 0;background:color-mix(in srgb,var(--cyan) 6%,transparent);color:var(--text)}.license-body .permission-note{padding:11px 13px;border-radius:10px;background:color-mix(in srgb,var(--blue) 10%,transparent);color:var(--text);font-weight:650}.license-dialog[open]{animation:licenseIn .18s ease-out}@keyframes licenseIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}:root[data-theme="light"] .license-dialog{box-shadow:0 30px 90px rgba(34,65,88,.24)}@media(max-width:800px){.site-footer{margin-inline:14px}}@media(max-width:520px){.site-footer{align-items:flex-start;flex-direction:column;margin-inline:10px}.license-body,.license-head{padding-inline:16px}.license-dialog{max-height:90vh}}

/* AV-only, scenario-aware autonomy controls. */
.autonomy-frame{margin-top:12px;padding:10px;border:1px solid color-mix(in srgb,var(--blue) 55%,var(--line));border-radius:12px;background:linear-gradient(145deg,color-mix(in srgb,var(--blue) 10%,transparent),color-mix(in srgb,var(--panel) 90%,transparent));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--blue) 9%,transparent)}
.smart-toggle{display:flex;flex-direction:row;align-items:center;gap:9px;padding:2px;color:var(--text);cursor:pointer}.smart-toggle>input{width:18px;height:18px;min-width:18px;margin:0;accent-color:var(--blue)}.smart-toggle>span{display:flex;flex-direction:column;gap:2px}.smart-toggle strong{font-size:11px}.smart-toggle small{color:var(--cyan);font-size:8px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.autonomy-status{margin-top:9px;padding:9px;border:1px solid color-mix(in srgb,var(--cyan) 28%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--cyan) 6%,transparent)}.autonomy-status span{display:block;color:var(--cyan);font-size:8px;font-weight:900;letter-spacing:.12em}.autonomy-status strong{display:block;margin-top:4px;color:var(--text);font-size:11px}.autonomy-status small{display:block;margin-top:3px;color:var(--muted);font-size:8px;line-height:1.4}
.autonomy-fields{margin-top:9px}.autonomy-estimate{width:100%;height:auto;min-height:34px;margin-top:9px;padding:7px 9px;border-color:color-mix(in srgb,var(--blue) 65%,var(--line));background:color-mix(in srgb,var(--blue) 16%,var(--panel));color:var(--text);line-height:1.25}.autonomy-note{margin:8px 1px 0;color:var(--muted);font-size:8px;line-height:1.45}.autonomy-disabled{opacity:.48}.autonomy-disabled .autonomy-status{filter:saturate(.35)}
:root[data-theme="light"] .autonomy-frame{background:linear-gradient(145deg,rgba(23,104,209,.07),#fff)}
@media(max-width:520px){.autonomy-frame .two-col{grid-template-columns:1fr}}

/* Scenario editing upgrade: sidewalks, responsive frame, tooltips and inspection. */
:root{--sidewalk:#8b949c;--sidewalk-edge:#c9d0d5}
:root[data-theme="light"]{--sidewalk:#bac2c8;--sidewalk-edge:#ecf0f2}
.frame-actions{display:flex;align-items:center;gap:5px}.canvas-stage{height:min(52vh,520px);min-height:400px}.canvas-stage #simCanvas{height:100%;min-height:400px}
.object-popup{position:absolute;z-index:120;width:240px;max-height:min(330px,calc(100% - 16px));overflow:auto;padding:10px;border:1px solid var(--line);border-radius:11px;background:color-mix(in srgb,var(--panel) 98%,transparent);box-shadow:0 18px 52px rgba(0,0,0,.55);font-size:10px;isolation:isolate}.object-popup[hidden]{display:none}.popup-head{display:flex!important;align-items:center;justify-content:space-between;margin:-4px -4px 7px;padding:4px;cursor:grab;touch-action:none;user-select:none;border-radius:7px}.popup-head:active,.popup-head.is-dragging{cursor:grabbing}.popup-head b{font-size:12px}.popup-head button{width:25px;height:25px;padding:0;cursor:pointer}.object-popup>div:not(.popup-head){display:grid;grid-template-columns:42% 58%;gap:7px;padding:5px 0;border-top:1px solid color-mix(in srgb,var(--line) 65%,transparent)}.object-popup span{color:var(--muted)}.object-popup strong{overflow-wrap:anywhere}.popup-edit{width:100%;height:30px;margin-top:8px}
.popup-form{display:grid!important;grid-template-columns:1fr 1fr!important;gap:7px!important;padding:8px 0!important}.popup-form label{display:grid;gap:3px;color:var(--muted);font-size:9px}.popup-form input,.popup-form select{min-width:0;height:28px;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:var(--panel2);color:var(--text);font:700 10px ui-monospace,monospace}.popup-actions{display:flex!important;grid-template-columns:none!important;gap:7px!important}.popup-actions button{flex:1;height:30px}.popup-apply{color:#042414;background:var(--green);border-color:var(--green)}
.popup-manual-toggle{display:flex!important;flex-direction:row!important;align-items:center;gap:7px!important;margin-top:7px;padding:8px!important;border:1px solid color-mix(in srgb,var(--cyan) 38%,var(--line))!important;border-radius:8px;background:rgba(34,211,238,.07);color:var(--text)!important;cursor:pointer}.popup-manual-toggle input{width:16px;height:16px;margin:0;accent-color:var(--cyan)}
button[data-tooltip]{position:relative}button[data-tooltip]:hover::after,button[data-tooltip]:focus-visible::after{content:attr(data-tooltip);position:absolute;z-index:80;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);width:max-content;max-width:220px;padding:6px 8px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--text);box-shadow:0 8px 24px rgba(0,0,0,.24);font-size:9px;font-weight:600;line-height:1.35;white-space:normal;pointer-events:none;animation:tooltip-in .12s ease .35s both}.canvas-card button[data-tooltip]:hover::after,.canvas-card button[data-tooltip]:focus-visible::after{top:calc(100% + 8px);bottom:auto}.annotation-toolbar button:first-child[data-tooltip]::after{left:0;transform:none}.zoom-controls button:last-child[data-tooltip]::after{right:0;left:auto;transform:none}@keyframes tooltip-in{from{opacity:0}to{opacity:1}}
.panel-help-popup{position:fixed;z-index:10000;width:max-content;max-width:min(290px,calc(100vw - 20px));padding:9px 11px;border:1px solid color-mix(in srgb,var(--cyan) 38%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--panel) 97%,transparent);color:var(--text);box-shadow:0 12px 34px rgba(0,0,0,.38);font-size:10px;font-weight:650;line-height:1.45;pointer-events:none;animation:tooltip-in .14s ease both}.panel-help-popup[hidden]{display:none}[data-panel-help]{cursor:default}summary[data-panel-help],.panel-heading h2[data-panel-help],label[data-panel-help]{cursor:help}label[data-panel-help] :is(input,select,button),button[data-panel-help]{cursor:pointer}[data-panel-help]:focus-visible{outline:2px solid color-mix(in srgb,var(--cyan) 60%,transparent);outline-offset:2px}

.drawing-transport{flex:0 0 auto;margin-right:1px;border-color:color-mix(in srgb,var(--cyan) 38%,var(--line));background:color-mix(in srgb,var(--panel) 96%,transparent)}.drawing-transport button:first-child{color:var(--green)}.drawing-transport button:nth-child(2){color:var(--yellow)}.drawing-transport button:last-child{color:var(--cyan)}
@media(max-width:800px){.frame-actions{flex-wrap:wrap}.canvas-stage{height:430px;min-height:340px}.object-popup{width:min(240px,calc(100% - 16px))}}

/* Manual driving */
.manual-setting{padding:8px 9px;border:1px solid color-mix(in srgb,var(--manual-color) 50%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--manual-color) 9%,transparent);--manual-color:var(--blue)}
.other-manual-setting{--manual-color:var(--other)}.manual-setting input{accent-color:var(--manual-color)}
.manual-setting span{display:flex;flex-direction:column;gap:2px}.manual-setting b{color:var(--text);font-size:10px}.manual-setting small{color:var(--muted)}
.manual-toolbar-toggles{display:flex;align-items:center;flex:0 0 auto}.annotation-toolbar .manual-mode-lamp{flex:0 0 30px;min-width:30px;width:30px;height:30px;padding:0;border:1px solid color-mix(in srgb,var(--other) 46%,var(--line));border-radius:50%;background:color-mix(in srgb,var(--other) 7%,var(--panel));color:color-mix(in srgb,var(--other) 58%,var(--muted));font-size:13px;font-weight:950;line-height:1;cursor:pointer;transition:color .16s ease,background .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease}.annotation-toolbar .manual-mode-lamp[aria-pressed="true"]{border-color:#ff9f2f;background:#ff8a1f;color:#2a1200;box-shadow:0 0 0 3px rgba(255,138,31,.18),0 0 18px rgba(255,138,31,.9),inset 0 1px 4px rgba(255,255,255,.55)}.annotation-toolbar .manual-mode-lamp:hover{transform:translateY(-1px)}.annotation-toolbar .manual-mode-lamp:focus-visible{outline:2px solid #ffb15a;outline-offset:2px}
.manual-help{position:absolute;z-index:18;right:10px;bottom:10px;max-width:260px;padding:8px 10px;border:1px solid color-mix(in srgb,var(--cyan) 38%,var(--line));border-radius:9px;background:rgba(4,13,24,.84);color:#e9f5ff;box-shadow:0 9px 28px rgba(0,0,0,.35);backdrop-filter:blur(8px);font-size:9px;line-height:1.45;pointer-events:none}.manual-help[hidden]{display:none}.manual-help b{color:var(--cyan)}
.touch-drive-controls{position:absolute;z-index:35;inset:0;pointer-events:none;touch-action:none;user-select:none;-webkit-user-select:none;overscroll-behavior:contain}.touch-drive-controls[hidden]{display:none}.touch-active-vehicle{position:absolute;top:max(58px,calc(env(safe-area-inset-top) + 8px));left:50%;display:flex;gap:4px;transform:translateX(-50%);pointer-events:auto}.touch-active-vehicle b{padding:7px 11px;border:1px solid color-mix(in srgb,var(--other) 62%,var(--line));border-radius:8px;background:rgba(4,13,24,.78);color:var(--other);box-shadow:0 0 18px color-mix(in srgb,var(--other) 28%,transparent);font-size:10px;letter-spacing:.08em;backdrop-filter:blur(8px)}
.touch-steering,.touch-pedals{position:absolute;bottom:max(18px,calc(env(safe-area-inset-bottom) + 10px));display:flex;gap:9px;pointer-events:auto}.touch-steering{left:max(14px,env(safe-area-inset-left))}.touch-pedals{right:max(14px,env(safe-area-inset-right));align-items:flex-end}.touch-drive-controls button[data-drive-control]{width:62px;height:62px;padding:0;border:1px solid rgba(255,255,255,.34);border-radius:50%;background:rgba(4,13,24,.58);color:#fff;font-size:19px;font-weight:950;box-shadow:0 7px 22px rgba(0,0,0,.32);backdrop-filter:blur(7px);touch-action:none}.touch-drive-controls .gas{border-color:rgba(53,208,127,.7)!important;color:#8ff0bb!important;font-size:12px!important}.touch-drive-controls .brake{border-color:rgba(255,95,104,.72)!important;color:#ffb4ba!important;font-size:10px!important}.touch-drive-controls .park{width:48px!important;height:48px!important;border-color:rgba(248,201,75,.72)!important;color:#ffe28b!important}.touch-drive-controls button.is-pressed{transform:scale(.92);filter:brightness(1.45);box-shadow:0 0 0 3px rgba(255,255,255,.16),0 0 22px currentColor}
@media(pointer:fine){.touch-drive-controls{display:none!important}}
@media(max-width:760px){.manual-help{display:none}.touch-drive-controls button[data-drive-control]{width:58px;height:58px}}
html.ios-cinema .touch-drive-controls{position:fixed;inset:0}
.validation.warning-only{border-color:rgba(248,201,75,.55);background:rgba(248,201,75,.09);color:#ffe59a}

/* In-frame playback and evidence-based post-collision review. */
.canvas-toolbar{position:relative;z-index:10;overflow:visible}.canvas-stage{z-index:1}.frame-actions{justify-content:flex-end;flex-wrap:wrap}.frame-transport{display:flex;align-items:center;gap:4px;padding:3px;border:1px solid var(--line);border-radius:9px;background:color-mix(in srgb,var(--panel) 88%,transparent)}.frame-transport button{width:29px;height:27px;padding:0;border:0;background:transparent;font-size:11px}.frame-transport button:hover{background:color-mix(in srgb,var(--cyan) 12%,transparent)}.frame-transport button:disabled{cursor:not-allowed;filter:none;opacity:.42;transform:none}.analysis-button{height:33px;border-color:rgba(255,95,104,.52);background:rgba(255,95,104,.12);color:#ffb4ba;white-space:nowrap}.analysis-button:not([hidden]){display:inline-flex;align-items:center}.accident-dialog{width:min(680px,calc(100vw - 28px));max-height:min(78vh,720px);padding:0;border:1px solid var(--line);border-radius:16px;background:var(--panel);color:var(--text);box-shadow:0 26px 90px rgba(0,0,0,.58)}.accident-dialog::backdrop{background:rgba(2,8,16,.72);backdrop-filter:blur(4px)}.analysis-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line)}.analysis-head h2{margin:0;font-size:20px}.analysis-head button{width:32px;height:32px;padding:0;font-size:20px}.analysis-body{display:grid;gap:12px;padding:18px 20px 20px;overflow:auto}.analysis-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 13px;border:1px solid rgba(255,95,104,.35);border-radius:10px;background:rgba(255,95,104,.08)}.analysis-summary strong{font-size:13px}.analysis-summary span{color:var(--muted);font:700 10px ui-monospace,monospace}.cause-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.cause-card,.analysis-section{padding:12px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel2) 82%,transparent)}.cause-card span,.analysis-section h3{display:block;margin:0 0 6px;color:var(--cyan);font-size:9px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.cause-card strong{display:block;margin-bottom:5px;font-size:12px}.cause-card p{margin:0;color:var(--muted);font-size:10px;line-height:1.5}.analysis-section ul{margin:0;padding-left:18px;color:var(--muted);font-size:10px;line-height:1.55}.analysis-section li+li{margin-top:4px}.analysis-disclaimer{margin:0;color:var(--muted);font-size:9px;line-height:1.5}.analysis-disclaimer strong{color:var(--text)}
.frame-live-decision{--decision:#28c7ea;position:absolute;z-index:4;top:56px;left:12px;width:min(350px,calc(100% - 24px));border:1px solid color-mix(in srgb,var(--decision) 68%,var(--line));border-left:4px solid var(--decision);border-radius:11px;background:color-mix(in srgb,var(--panel) 94%,var(--decision) 6%);box-shadow:0 10px 28px rgba(0,0,0,.28),inset 0 0 22px color-mix(in srgb,var(--decision) 9%,transparent);overflow:hidden;transition:border-color .22s ease,background .22s ease,box-shadow .22s ease}.frame-decision-toggle{display:block;width:100%;height:auto;padding:9px 11px;border:0;border-radius:0;background:transparent;color:inherit;text-align:left;box-shadow:none;cursor:default}.frame-live-decision[data-timeline-ready="true"] .frame-decision-toggle{cursor:pointer}.frame-live-decision[data-timeline-ready="true"] .frame-decision-toggle:hover,.frame-live-decision[data-timeline-ready="true"] .frame-decision-toggle:focus-visible{background:color-mix(in srgb,var(--decision) 9%,transparent);transform:none;filter:none;outline:2px solid color-mix(in srgb,var(--decision) 55%,transparent);outline-offset:-2px}.frame-live-head{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:8px;font-weight:900;letter-spacing:.11em}.frame-live-head b{color:#ff5262}.decision-chevron{margin-left:auto;color:var(--decision);font-size:17px;line-height:10px;transition:transform .2s ease,opacity .2s ease}.frame-live-decision[data-timeline-ready="false"] .decision-chevron{opacity:.28}.frame-live-decision.timeline-open .decision-chevron{transform:rotate(180deg)}.live-lamp{width:8px;height:8px;border-radius:50%;background:#ff3348;box-shadow:0 0 0 3px rgba(255,51,72,.14),0 0 12px rgba(255,51,72,.75)}.is-live .live-lamp{animation:live-lamp 1s ease-in-out infinite}.is-live .frame-live-head b{animation:live-text 1s ease-in-out infinite}.is-paused .live-lamp{opacity:.42;box-shadow:none}.frame-decision-toggle>strong{display:block;margin-top:5px;color:var(--decision);font-size:12px}.frame-decision-toggle>small{display:block;margin-top:3px;color:var(--text);font-size:9px;line-height:1.35}.frame-decision-toggle>code{display:block;margin-top:5px;color:var(--muted);font:700 8px ui-monospace,monospace}.frame-timeline-hint{display:block;margin-top:6px;color:var(--muted);font-size:8px;font-weight:750}.frame-live-decision[data-timeline-ready="true"] .frame-timeline-hint{color:var(--decision)}.frame-decision-dropdown{max-height:min(260px,calc(52vh - 145px));padding:0 10px 10px;border-top:1px solid color-mix(in srgb,var(--decision) 30%,var(--line));overflow:auto;background:color-mix(in srgb,var(--panel) 97%,transparent)}.frame-decision-dropdown[hidden]{display:none}.frame-timeline-title{display:flex;position:sticky;z-index:1;top:0;align-items:center;justify-content:space-between;gap:8px;padding:9px 1px 7px;background:color-mix(in srgb,var(--panel) 97%,transparent)}.frame-timeline-title strong{font-size:9px;letter-spacing:.08em;text-transform:uppercase}.frame-timeline-title span{color:var(--muted);font:700 8px ui-monospace,monospace}.frame-decision-dropdown .decision-timeline{margin-top:2px!important}.frame-decision-dropdown .decision-timeline article{background:color-mix(in srgb,var(--panel2) 92%,transparent)}.decision-off{--decision:#8493a2}.decision-monitor{--decision:#28c7ea}.decision-reaction{--decision:#f7c948}.decision-control{--decision:#f0a928}.decision-comfort-brake{--decision:#ff8a3d}.decision-emergency-brake,.decision-minimum-risk-stop,.decision-school-bus-stop{--decision:#ff5262}.decision-school-bus-warning{--decision:#f3c63c}.decision-emergency-yield{--decision:#9e7cff}.decision-lane-change{--decision:#bd75ff}.decision-clear-zone{--decision:#3b8cff}@keyframes live-lamp{50%{opacity:.35;transform:scale(.82);box-shadow:0 0 0 1px rgba(255,51,72,.08)}}@keyframes live-text{50%{opacity:.5}}
.decision-history{padding-bottom:4px}.decision-timeline{position:relative;list-style:none!important;margin:9px 0 0!important;padding:0 0 0 22px!important}.decision-timeline::before{content:"";position:absolute;top:5px;bottom:16px;left:7px;width:2px;background:linear-gradient(var(--cyan),var(--blue),var(--red))}.decision-timeline li{--node:var(--cyan);position:relative;margin:0 0 13px!important}.decision-timeline li:last-child{margin-bottom:0!important}.timeline-node{position:absolute;left:-21px;top:4px;width:13px;height:13px;border:3px solid var(--panel2);border-radius:50%;background:var(--node);box-shadow:0 0 0 1px color-mix(in srgb,var(--node) 70%,var(--line)),0 0 10px color-mix(in srgb,var(--node) 45%,transparent)}.decision-timeline article{padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:color-mix(in srgb,var(--panel) 85%,transparent)}.decision-timeline time{display:block;color:var(--node);font:800 8px ui-monospace,monospace}.decision-timeline strong{display:block;margin-top:2px;font-size:11px}.decision-timeline p{margin:3px 0 6px;color:var(--muted);font-size:9px;line-height:1.4}.decision-timeline code{display:block;color:var(--text);font:700 8px/1.45 ui-monospace,monospace}.timeline-reaction{--node:#f7c948}.timeline-control{--node:#f0a928}.timeline-comfort-brake{--node:#ff8a3d}.timeline-emergency-brake,.timeline-minimum-risk-stop,.timeline-school-bus-stop{--node:#ff5262}.timeline-school-bus-warning{--node:#f3c63c}.timeline-emergency-yield{--node:#9e7cff}.timeline-lane-change{--node:#bd75ff}.timeline-clear-zone{--node:#3b8cff}.timeline-off{--node:#8493a2}.decision-empty{margin:8px 0;color:var(--muted);font-size:10px}
.special-vehicle-status{padding:8px 9px;border:1px solid color-mix(in srgb,var(--cyan) 30%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--cyan) 7%,transparent);color:var(--muted);font-size:8px;line-height:1.45}.special-vehicle-status strong{color:var(--text)}
@media(max-width:800px){.canvas-toolbar{gap:8px}.frame-actions{width:100%;justify-content:space-between}.cause-grid{grid-template-columns:1fr}}
@media(max-width:520px){.analysis-button{order:3;width:100%;justify-content:center}.risk-badge{margin-left:auto}.accident-dialog{max-height:88vh}}
@media(max-width:700px){.frame-live-decision{top:94px;left:8px;width:calc(100% - 16px)}.frame-decision-toggle{padding:7px 9px}.frame-decision-toggle>small{display:none}.frame-decision-toggle>code{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.frame-decision-dropdown{max-height:210px}}

/* The live AV decision display owns a reserved dock outside the moving canvas.
   It can therefore never obscure roads, road users, paths, or traffic devices. */
.decision-dock{position:relative;z-index:4;min-height:0;padding:8px 12px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--panel) 96%,var(--bg) 4%);contain:layout paint}
.decision-dock .frame-live-decision{position:relative;z-index:auto;top:auto;left:auto;width:100%;box-shadow:0 7px 18px rgba(0,0,0,.2),inset 0 0 22px color-mix(in srgb,var(--decision) 9%,transparent)}
@media(max-width:700px){.decision-dock{padding:6px 8px}.decision-dock .frame-live-decision{top:auto;left:auto;width:100%}}

/* Installed iPhone app: distraction-free landscape simulation mode. */
.ios-decision-chip,.ios-exit-hint{display:none}
html.ios-installed:not(.ios-cinema) .canvas-stage{background:radial-gradient(circle at 50% 45%,#102a42 0,#06101c 70%)}
html.ios-installed:not(.ios-cinema) .frame-transport{border-color:rgba(34,211,238,.52);background:rgba(4,15,27,.88);box-shadow:0 0 26px rgba(34,211,238,.18)}
html.ios-installed:not(.ios-cinema) .frame-transport button{width:48px;height:44px;color:#dffaff;font-size:19px;text-shadow:0 0 12px var(--cyan);box-shadow:inset 0 0 18px rgba(34,211,238,.09)}
html.ios-cinema,html.ios-cinema body{position:fixed;inset:0;width:100%;height:100%;height:100dvh;overflow:hidden;background:#020812}
html.ios-cinema .topbar,html.ios-cinema #controlsPanel,html.ios-cinema #verticalPanelResizer,html.ios-cinema #metricsPanel,html.ios-cinema #horizontalPanelResizer,html.ios-cinema .site-footer,html.ios-cinema .method-strip,html.ios-cinema .decision-dock,html.ios-cinema .canvas-note,html.ios-cinema .horizontal-pan-control{display:none!important}
html.ios-cinema .app-grid,html.ios-cinema .workspace{display:block;width:100%;height:100%;margin:0;padding:0}
html.ios-cinema .canvas-card{position:fixed;z-index:10000;inset:0;width:100%;height:100%;border:0;border-radius:0;background:#020812}
html.ios-cinema .canvas-toolbar{position:absolute;z-index:30;top:max(7px,env(safe-area-inset-top));right:max(9px,env(safe-area-inset-right));left:max(9px,env(safe-area-inset-left));min-height:54px;padding:6px 8px;border:0;border-radius:14px;background:linear-gradient(180deg,rgba(3,11,20,.9),rgba(3,11,20,.55));box-shadow:0 8px 28px rgba(0,0,0,.28);backdrop-filter:blur(12px)}
html.ios-cinema .canvas-toolbar .legend,html.ios-cinema .risk-badge,html.ios-cinema .fit-frame-button,html.ios-cinema .analysis-button{display:none!important}
html.ios-cinema .frame-actions{width:100%;justify-content:space-between;flex-wrap:nowrap}
html.ios-cinema .frame-clock{margin-right:auto;transform:scale(.92);transform-origin:left center}
html.ios-cinema .frame-transport{gap:7px;padding:5px;border-color:rgba(34,211,238,.48);background:rgba(7,22,36,.9);box-shadow:0 0 22px rgba(34,211,238,.2)}
html.ios-cinema .frame-transport button{width:50px;height:42px;border:1px solid rgba(34,211,238,.22);border-radius:10px;color:#ecfdff;font-size:19px;background:linear-gradient(145deg,rgba(34,211,238,.16),rgba(47,125,246,.11));text-shadow:0 0 10px var(--cyan)}
html.ios-cinema .frame-transport button:disabled{opacity:.34}
html.ios-cinema .canvas-stage{position:absolute;inset:0;width:100%;height:100%;min-height:0;background:#06111e}
html.ios-cinema .canvas-stage #simCanvas{width:100%;height:100%;min-height:0}
html.ios-cinema .annotation-toolbar,html.ios-cinema .zoom-controls,html.ios-cinema .edit-hint{display:none!important}
html.ios-cinema .ios-decision-chip{--chip:#28c7ea;display:flex;position:absolute;z-index:26;top:0;left:0;align-items:center;gap:7px;max-width:190px;min-height:32px;padding:6px 10px;border:1px solid color-mix(in srgb,var(--chip) 60%,transparent);border-radius:999px;background:rgba(3,13,23,.82);color:#f5fbff;box-shadow:0 5px 18px rgba(0,0,0,.32),0 0 15px color-mix(in srgb,var(--chip) 18%,transparent);backdrop-filter:blur(9px);font-size:10px;white-space:nowrap;pointer-events:none;transition:transform .16s linear,border-color .2s ease}
html.ios-cinema .ios-decision-chip[hidden]{display:none}
html.ios-cinema .ios-decision-chip span{display:grid;place-items:center;flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:color-mix(in srgb,var(--chip) 18%,transparent);color:var(--chip);font-size:13px;font-weight:900}
html.ios-cinema .ios-decision-chip b{overflow:hidden;text-overflow:ellipsis}
html.ios-cinema .chip-emergency-brake,html.ios-cinema .chip-minimum-risk-stop,html.ios-cinema .chip-school-bus-stop{--chip:#ff5262}
html.ios-cinema .chip-comfort-brake,html.ios-cinema .chip-control{--chip:#ff9f36}
html.ios-cinema .chip-lane-change,html.ios-cinema .chip-emergency-yield{--chip:#b986ff}
html.ios-cinema .ios-exit-hint{display:flex;position:absolute;z-index:45;right:0;bottom:max(8px,env(safe-area-inset-bottom));left:0;flex-direction:column;align-items:center;gap:3px;color:rgba(235,250,255,.72);font-size:9px;letter-spacing:.08em;text-transform:uppercase;pointer-events:none;text-shadow:0 1px 5px #000}
html.ios-cinema .ios-exit-hint span{width:42px;height:4px;border-radius:999px;background:rgba(235,250,255,.7);box-shadow:0 0 10px rgba(34,211,238,.28)}
html.ios-cinema .ios-exit-hint b{font-weight:800}
@media(orientation:portrait){html.ios-cinema .canvas-toolbar{top:max(8px,env(safe-area-inset-top));right:max(7px,env(safe-area-inset-right));left:max(7px,env(safe-area-inset-left));padding:5px 6px}html.ios-cinema .frame-clock{transform:scale(.82)}html.ios-cinema .frame-transport button{width:47px;height:44px}html.ios-cinema .ios-decision-chip{max-width:158px;font-size:9px}}
@media(prefers-reduced-motion:reduce){.is-live .live-lamp,.is-live .frame-live-head b{animation:none}}

/* Regular web app: mirror the installed-iOS live decision badge over the moving AV. */
html:not(.ios-installed) .canvas-stage .ios-decision-chip{--chip:#28c7ea;display:flex;position:absolute;z-index:26;top:0;left:0;align-items:center;gap:7px;max-width:190px;min-height:32px;padding:6px 10px;border:1px solid color-mix(in srgb,var(--chip) 60%,transparent);border-radius:999px;background:rgba(3,13,23,.82);color:#f5fbff;box-shadow:0 5px 18px rgba(0,0,0,.32),0 0 15px color-mix(in srgb,var(--chip) 18%,transparent);backdrop-filter:blur(9px);font-size:10px;white-space:nowrap;pointer-events:none;transition:transform .16s linear,border-color .2s ease}
html:not(.ios-installed) .canvas-stage .ios-decision-chip[hidden]{display:none}
html:not(.ios-installed) .canvas-stage .ios-decision-chip span{display:grid;place-items:center;flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:color-mix(in srgb,var(--chip) 18%,transparent);color:var(--chip);font-size:13px;font-weight:900}
html:not(.ios-installed) .canvas-stage .ios-decision-chip b{overflow:hidden;text-overflow:ellipsis}
html:not(.ios-installed) .canvas-stage .chip-emergency-brake,html:not(.ios-installed) .canvas-stage .chip-minimum-risk-stop,html:not(.ios-installed) .canvas-stage .chip-school-bus-stop{--chip:#ff5262}
html:not(.ios-installed) .canvas-stage .chip-comfort-brake,html:not(.ios-installed) .canvas-stage .chip-control{--chip:#ff9f36}
html:not(.ios-installed) .canvas-stage .chip-lane-change,html:not(.ios-installed) .canvas-stage .chip-emergency-yield{--chip:#b986ff}
@media(max-width:700px){html:not(.ios-installed) .canvas-stage .ios-decision-chip{max-width:158px;font-size:9px}}

/* Installed iOS phone-first controls and full-screen settings sheets. */
.ios-settings-launcher,.ios-settings-sheet,.ios-drawing-toggle{display:none}
html.ios-phone-ui #controlsPanel{padding:14px;overflow:visible;max-height:none}
html.ios-phone-ui #controlsPanel>.panel-heading{margin-bottom:10px}
html.ios-phone-ui #controlsPanel>details{display:none}
html.ios-phone-ui .ios-settings-launcher{display:grid;gap:9px}
html.ios-phone-ui .ios-settings-button{display:grid;grid-template-columns:38px minmax(0,1fr) 20px;align-items:center;gap:10px;width:100%;height:58px;padding:8px 11px;border:1px solid color-mix(in srgb,var(--cyan) 24%,var(--line));border-radius:14px;background:linear-gradient(145deg,color-mix(in srgb,var(--panel2) 94%,var(--cyan) 6%),var(--panel));color:var(--text);text-align:left;box-shadow:0 8px 22px rgba(0,0,0,.16)}
html.ios-phone-ui .ios-settings-button span{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:color-mix(in srgb,var(--cyan) 12%,var(--panel));color:var(--cyan);font-size:16px;font-weight:900}
html.ios-phone-ui .ios-settings-button b{overflow:hidden;font-size:12px;text-overflow:ellipsis;white-space:nowrap}html.ios-phone-ui .ios-settings-button i{color:var(--cyan);font-size:22px;font-style:normal;text-align:center}
html.ios-settings-open,html.ios-settings-open body{position:fixed;inset:0;overflow:hidden}
html.ios-phone-ui .ios-settings-sheet{position:fixed;z-index:20000;inset:0;display:flex;flex-direction:column;width:100%;height:100%;height:100dvh;background:var(--bg);color:var(--text)}
html.ios-phone-ui .ios-settings-sheet[hidden]{display:none}
html.ios-phone-ui .ios-settings-sheet>header{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:10px;padding:max(10px,env(safe-area-inset-top)) 12px 10px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--panel) 94%,transparent);backdrop-filter:blur(15px)}
html.ios-phone-ui .ios-settings-sheet header button{height:42px;min-width:42px;border-radius:12px;font-size:22px}html.ios-phone-ui .ios-settings-sheet header small{color:var(--cyan);font-size:8px;font-weight:900;letter-spacing:.13em}html.ios-phone-ui .ios-settings-sheet header h2{margin:2px 0 0;font-size:17px}html.ios-phone-ui .ios-settings-sheet header .ios-settings-save{padding-inline:17px;background:var(--blue);color:#fff;font-size:12px}
html.ios-phone-ui .ios-settings-body{flex:1;padding:2px 14px calc(24px + env(safe-area-inset-bottom));overflow:auto;-webkit-overflow-scrolling:touch}
html.ios-phone-ui .ios-settings-body details{display:block;margin:0;border:0;padding:0}html.ios-phone-ui .ios-settings-body details>summary{display:none}html.ios-phone-ui .ios-settings-body .two-col{grid-template-columns:1fr}html.ios-phone-ui .ios-settings-body .span-2{grid-column:auto}html.ios-phone-ui .ios-settings-body label{gap:7px;padding:12px 0;border-bottom:1px solid color-mix(in srgb,var(--line) 68%,transparent);font-size:11px}html.ios-phone-ui .ios-settings-body select{height:48px;border-radius:12px;font-size:15px}
html.ios-phone-ui .ios-number-wheel{position:relative;display:grid;grid-template-rows:24px 48px 24px;width:100%;overflow:hidden;border:1px solid color-mix(in srgb,var(--cyan) 26%,var(--line));border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(34,211,238,.08),rgba(255,255,255,.035));touch-action:none;perspective:160px}
html.ios-phone-ui .ios-number-wheel input{grid-row:2;width:100%;height:48px;border-width:1px 0;border-radius:0;background:color-mix(in srgb,var(--cyan) 8%,transparent);color:var(--text);font:800 20px ui-monospace,monospace;text-align:center;-moz-appearance:textfield}html.ios-phone-ui .ios-number-wheel input::-webkit-inner-spin-button{display:none}
html.ios-phone-ui .ios-number-wheel .wheel-band{display:grid;place-items:center;color:var(--muted);font:700 12px ui-monospace,monospace;opacity:.48;pointer-events:none}html.ios-phone-ui .ios-number-wheel .wheel-up{grid-row:1;transform:rotateX(-22deg)}html.ios-phone-ui .ios-number-wheel .wheel-down{grid-row:3;transform:rotateX(22deg)}
html.ios-installed:not(.ios-cinema) .canvas-stage{touch-action:pan-y;overscroll-behavior:auto}html.ios-installed:not(.ios-cinema) #simCanvas{touch-action:pan-y;cursor:zoom-in}
html.ios-installed:not(.ios-cinema) .canvas-stage::after{content:"Tap to open full-screen editor";position:absolute;z-index:24;right:12px;bottom:12px;padding:8px 11px;border:1px solid rgba(34,211,238,.42);border-radius:999px;background:rgba(3,13,23,.8);color:#dffaff;font-size:9px;font-weight:850;pointer-events:none;backdrop-filter:blur(8px)}
html.ios-cinema .annotation-toolbar{display:flex!important;position:absolute;z-index:42;top:max(69px,calc(env(safe-area-inset-top) + 61px));right:max(8px,env(safe-area-inset-right));left:max(8px,env(safe-area-inset-left));align-items:center;gap:8px;width:auto;padding:7px;border:1px solid rgba(34,211,238,.24);border-radius:14px;background:rgba(3,13,23,.82);box-shadow:0 8px 26px rgba(0,0,0,.3);backdrop-filter:blur(12px)}
html.ios-cinema .annotation-toolbar button{min-width:44px;height:44px;border-radius:11px;font-size:17px}html.ios-cinema .annotation-toolbar .drawing-transport{display:flex;order:-5}html.ios-cinema .annotation-toolbar .drawing-transport button{width:47px}html.ios-cinema .annotation-toolbar .manual-toolbar-toggles{display:flex;order:-4}html.ios-cinema .annotation-toolbar .manual-mode-lamp{width:44px;height:44px;min-width:44px}
html.ios-cinema .annotation-toolbar .ios-essential-edit,html.ios-cinema .annotation-toolbar .ios-essential-history{display:block!important}html.ios-cinema .annotation-toolbar .ios-essential-history{font-size:23px}
html.ios-cinema .ios-drawing-toggle{display:block;order:20;min-width:112px!important;padding:0 10px!important;font-size:10px!important}
html.ios-cinema .annotation-toolbar>.tool:not(.ios-essential-edit),html.ios-cinema .annotation-toolbar>#deleteAnnotation,html.ios-cinema .annotation-toolbar>#clearAnnotations,html.ios-cinema .annotation-toolbar>span{display:none!important}
html.ios-cinema .annotation-toolbar.ios-tools-open{flex-wrap:wrap}html.ios-cinema .annotation-toolbar.ios-tools-open>.tool,html.ios-cinema .annotation-toolbar.ios-tools-open>#deleteAnnotation,html.ios-cinema .annotation-toolbar.ios-tools-open>#clearAnnotations{display:block!important}
html.ios-cinema.simulation-running .annotation-toolbar>:not(.drawing-transport){display:none!important}html.ios-cinema.simulation-running .annotation-toolbar{right:auto;width:auto}
html.ios-cinema .object-popup{z-index:70;width:min(310px,calc(100% - 20px));max-height:calc(100% - 145px);font-size:12px}html.ios-cinema .popup-edit{height:42px;font-size:13px}html.ios-cinema .popup-form{grid-template-columns:1fr!important}html.ios-cinema .popup-form input,html.ios-cinema .popup-form select{height:42px;font-size:14px}
@media(max-width:430px){html.ios-cinema .annotation-toolbar{gap:5px;padding:5px}html.ios-cinema .annotation-toolbar button{min-width:40px;height:42px}html.ios-cinema .annotation-toolbar .drawing-transport button{width:42px}html.ios-cinema .ios-drawing-toggle{min-width:92px!important}}

/* Simplified installed-iOS navigation and controls. */
.ios-cinema-back{display:none}
html.ios-phone-ui #metricsPanel,html.ios-phone-ui #horizontalPanelResizer,html.ios-phone-ui #toggleMetricsPanel{display:none!important}
html.ios-phone-ui:not(.ios-cinema) .canvas-toolbar{display:none!important}
html.ios-phone-ui:not(.ios-cinema) .annotation-toolbar{display:flex;top:10px;right:10px;left:10px;max-width:none;justify-content:center;overflow:visible}
html.ios-phone-ui:not(.ios-cinema) .annotation-toolbar>:not(.drawing-transport):not(.manual-toolbar-toggles){display:none!important}
html.ios-phone-ui:not(.ios-cinema) .annotation-toolbar .drawing-transport,html.ios-phone-ui:not(.ios-cinema) .annotation-toolbar .manual-toolbar-toggles{display:flex}
html.ios-phone-ui:not(.ios-cinema) .annotation-toolbar button{min-width:46px;height:46px;font-size:18px}
html.ios-phone-ui:not(.ios-cinema) .annotation-toolbar .manual-mode-lamp{width:46px;height:46px;min-width:46px}
html.ios-phone-ui:not(.ios-cinema) .canvas-stage{padding-top:58px}
html.ios-phone-ui:not(.ios-cinema) .canvas-stage #simCanvas{height:calc(100% - 58px);min-height:282px}
html.ios-cinema .ios-cinema-back{display:flex;position:fixed;z-index:90;top:max(8px,env(safe-area-inset-top));left:max(8px,env(safe-area-inset-left));align-items:center;gap:3px;width:auto;min-width:76px;height:44px;padding:0 13px;border:1px solid rgba(34,211,238,.38);border-radius:12px;background:rgba(3,13,23,.86);color:#e9fbff;box-shadow:0 7px 24px rgba(0,0,0,.34);backdrop-filter:blur(12px);font-size:22px}
html.ios-cinema .ios-cinema-back span{font-size:11px;font-weight:850}
html.ios-cinema .ios-exit-hint{display:none!important}
html.ios-cinema .annotation-toolbar{top:max(60px,calc(env(safe-area-inset-top) + 52px));right:auto;left:max(8px,env(safe-area-inset-left));width:auto}
html.ios-cinema .annotation-toolbar>:not(.drawing-transport):not(.manual-toolbar-toggles){display:none!important}
html.ios-cinema .annotation-toolbar .drawing-transport,html.ios-cinema .annotation-toolbar .manual-toolbar-toggles{display:flex!important}
html.ios-phone-ui .ios-number-wheel{touch-action:pan-y}
html.ios-phone-ui .ios-number-wheel.is-armed{touch-action:none;border-color:var(--cyan);box-shadow:0 0 0 2px rgba(34,211,238,.12)}
html.ios-phone-ui .ios-number-wheel:not(.is-armed)::after{content:"Tap number to adjust";position:absolute;right:7px;bottom:5px;color:var(--muted);font-size:7px;font-weight:750;pointer-events:none}
html.ios-phone-ui .example-row{grid-template-columns:1fr}

/* Full-screen iOS editing controls: history is available while paused;
   tablet drawing tools remain collapsed until explicitly opened. */
html.ios-cinema:not(.simulation-running) .annotation-toolbar>#undoAnnotation,
html.ios-cinema:not(.simulation-running) .annotation-toolbar>#redoAnnotation,
html.ios-cinema:not(.simulation-running) .annotation-toolbar>#iosDrawingToggle{display:block!important}
html.ios-cinema:not(.simulation-running) .annotation-toolbar>#undoAnnotation,
html.ios-cinema:not(.simulation-running) .annotation-toolbar>#redoAnnotation{min-width:48px;font-size:24px}
html.ios-cinema:not(.simulation-running) .annotation-toolbar.ios-tools-open{right:max(8px,env(safe-area-inset-right));flex-wrap:wrap}
html.ios-cinema:not(.simulation-running) .annotation-toolbar.ios-tools-open>.tool,
html.ios-cinema:not(.simulation-running) .annotation-toolbar.ios-tools-open>#deleteAnnotation,
html.ios-cinema:not(.simulation-running) .annotation-toolbar.ios-tools-open>#clearAnnotations{display:block!important}
html.ios-cinema.simulation-running .annotation-toolbar>#iosDrawingToggle,
html.ios-cinema.simulation-running .annotation-toolbar>#undoAnnotation,
html.ios-cinema.simulation-running .annotation-toolbar>#redoAnnotation{display:none!important}
html.ios-cinema .ios-cinema-back{visibility:visible!important;opacity:1!important;pointer-events:auto!important}

/* User-adjustable workspace panels. */
:root{--controls-panel-width:360px;--metrics-panel-height:225px}
.layout-dock{position:relative;z-index:6;display:flex;align-items:center;justify-content:flex-end;gap:6px;padding:7px 28px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 96%,transparent);backdrop-filter:blur(12px)}
.layout-dock>span{margin-right:3px;color:var(--muted);font-size:9px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.layout-dock button{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 9px;border-radius:8px;font-size:9px}.layout-dock button[aria-pressed="true"]{border-color:color-mix(in srgb,var(--cyan) 56%,var(--line));background:color-mix(in srgb,var(--cyan) 12%,var(--panel));color:var(--cyan)}
.app-grid{grid-template-columns:var(--controls-panel-width) 10px minmax(0,1fr);gap:3px;padding-top:10px;transition:grid-template-columns .2s ease}.app-grid.controls-hidden{grid-template-columns:0 0 minmax(0,1fr)}
.controls{width:100%;min-width:0;transition:opacity .16s ease,transform .2s ease}.controls-hidden .controls{visibility:hidden;opacity:0;transform:translateX(-14px);pointer-events:none}
.workspace{display:flex;min-width:0;flex-direction:column}.canvas-card{flex:1 1 auto;min-height:450px}.metrics-panel{height:var(--metrics-panel-height);min-height:145px;max-height:70vh;overflow:auto;transition:opacity .16s ease,transform .2s ease}.workspace.metrics-hidden .metrics-panel{display:none}.workspace.metrics-hidden .horizontal-resizer{display:none}
.panel-resizer{position:relative;z-index:4;touch-action:none;user-select:none}.panel-resizer::before{content:"";position:absolute;border-radius:999px;background:color-mix(in srgb,var(--line) 82%,transparent);transition:background .15s ease,box-shadow .15s ease}.panel-resizer:hover::before,.panel-resizer.is-dragging::before,.panel-resizer:focus-visible::before{background:var(--cyan);box-shadow:0 0 12px color-mix(in srgb,var(--cyan) 42%,transparent)}.vertical-resizer{width:10px;cursor:col-resize}.vertical-resizer::before{top:12px;bottom:12px;left:4px;width:2px}.horizontal-resizer{height:12px;cursor:row-resize}.horizontal-resizer::before{top:5px;right:18px;left:18px;height:2px}.controls-hidden .vertical-resizer{display:none}
.panel-window-actions,.metrics-heading-actions{display:flex;align-items:center;gap:5px}.panel-icon-button{display:grid!important;place-items:center;width:28px!important;height:28px!important;padding:0!important;border:1px solid var(--line)!important;border-radius:7px!important;background:color-mix(in srgb,var(--panel2) 86%,transparent)!important;color:var(--muted)!important;font-size:13px!important;line-height:1!important}.panel-icon-button:hover{color:var(--text)!important}.panel-icon-button.is-active{border-color:color-mix(in srgb,var(--cyan) 44%,var(--line))!important;color:var(--cyan)!important}.metrics-heading-actions .classification{margin-right:3px}
.resizable-panel:not(.is-pinned){border-color:color-mix(in srgb,var(--cyan) 42%,var(--line));box-shadow:0 18px 50px rgba(0,0,0,.18),inset 0 0 0 1px color-mix(in srgb,var(--cyan) 7%,transparent)}
body.is-resizing,body.is-resizing *{cursor:inherit!important;user-select:none!important}.canvas-stage{height:clamp(430px,62vh,760px);max-height:none}.canvas-stage #simCanvas{min-height:430px}
@media(max-width:900px){:root{--controls-panel-width:320px}.app-grid{padding-inline:12px}.layout-dock{padding-inline:12px}.metrics-heading-actions{flex-wrap:wrap;justify-content:flex-end}}
@media(max-width:700px){.app-grid{display:flex;flex-direction:column}.vertical-resizer{width:100%;height:12px;cursor:row-resize}.vertical-resizer::before{top:5px;right:18px;bottom:auto;left:18px;width:auto;height:2px}.controls{max-height:60vh}.app-grid.controls-hidden .controls,.app-grid.controls-hidden .vertical-resizer{display:none}.layout-dock{overflow-x:auto;justify-content:flex-start}.layout-dock>span{display:none}.canvas-card{min-height:400px}.metrics-panel{max-height:60vh}}

/* Full-height input column with animation and analysis stacked to its right. */
@media(min-width:701px){
  .app-grid{height:clamp(720px,calc(100dvh - 116px),920px);align-items:stretch}
  .controls{height:100%;max-height:none;align-self:stretch}
  .vertical-resizer{height:100%}
  .workspace{display:grid;height:100%;grid-template-rows:minmax(400px,1fr) 12px var(--metrics-panel-height);gap:0;min-height:0}
  .canvas-card{min-width:0;min-height:0;height:100%}
  .canvas-stage{height:calc(100% - 58px);min-height:0}
  .canvas-stage #simCanvas{height:100%;min-height:0}
  .horizontal-resizer{width:100%;height:12px}
  .metrics-panel{width:100%;height:100%;min-height:0;max-height:none}
  .workspace.metrics-hidden{grid-template-rows:minmax(400px,1fr) 0 0}
}
.resizable-panel:not(.is-pinned){border-color:var(--line);box-shadow:0 18px 50px rgba(0,0,0,.18)}
.metrics-panel .method-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0 0;padding:0}
.metrics-panel .method-strip article{padding:13px;border-radius:11px}
@media(max-width:900px){.metrics-panel .method-strip{grid-template-columns:1fr}}

/* Animation-frame navigation and compact live controls. */
.topbar{z-index:30;background:color-mix(in srgb,var(--bg) 96%,transparent)}
.frame-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap}
.frame-clock{display:flex;flex:0 0 auto;flex-direction:row;align-items:center;justify-content:space-between;gap:6px;width:198px;min-width:198px;height:33px;box-sizing:border-box;padding:3px 8px 3px 9px;border:1px solid color-mix(in srgb,var(--green) 42%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--green) 10%,var(--panel));color:var(--green);overflow:hidden}
.frame-clock>span:first-child{flex:0 0 auto;font-size:7.5px;font-weight:900;letter-spacing:.08em;white-space:nowrap}.frame-clock-edit{display:flex;flex:0 0 74px;align-items:center;justify-content:flex-end;gap:2px;min-width:0;overflow:hidden}.frame-clock input{box-sizing:border-box;width:60px;min-width:0;height:23px;padding:0;border:0;background:transparent;color:var(--green);font:800 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-align:right;box-shadow:none}.frame-clock b{flex:0 0 auto;font:800 10px ui-monospace,monospace}
.fit-frame-button{height:33px;padding-inline:10px;border-color:color-mix(in srgb,var(--cyan) 45%,var(--line));color:var(--cyan);white-space:nowrap}
.horizontal-pan-control{display:grid;grid-template-columns:auto minmax(120px,1fr) auto;align-items:center;gap:10px;padding:7px 14px;border-top:1px solid var(--line);background:color-mix(in srgb,var(--panel2) 88%,transparent);color:var(--muted);font-size:9px;font-weight:800}.horizontal-pan-control input{height:auto;padding:0;accent-color:var(--cyan)}.horizontal-pan-control button{height:27px;padding:0 9px;font-size:9px}.canvas-stage.is-panning #simCanvas{cursor:grabbing!important}
@media(max-width:1050px){.canvas-toolbar{align-items:flex-start;flex-direction:column}.frame-actions{width:100%;justify-content:flex-start}.legend{width:100%}}
@media(max-width:600px){.frame-clock{width:112px;min-width:112px;justify-content:center}.frame-clock>span:first-child,.horizontal-pan-control>span{display:none}.frame-clock-edit{flex-basis:82px}.horizontal-pan-control{grid-template-columns:1fr auto}.frame-clock input{width:66px;min-width:0}}

/* Reliable iOS full-screen exit: keep it inside the always-visible control bar. */
.ios-toolbar-exit{display:none}
html.ios-cinema .annotation-toolbar>#iosToolbarExit,
html.ios-cinema.simulation-running .annotation-toolbar>#iosToolbarExit{display:flex!important;align-items:center;justify-content:center;order:-10;width:auto;min-width:106px;padding:0 13px;border-color:rgba(255,255,255,.34);background:rgba(8,20,34,.96);color:#fff;font-size:14px;font-weight:850;white-space:nowrap}
html.ios-cinema .annotation-toolbar>#iosToolbarExit:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
@media(max-width:430px){html.ios-cinema .annotation-toolbar>#iosToolbarExit{min-width:94px;padding-inline:10px;font-size:12px}}

/* Contact, optional membership, and persistent live chat. */
.contact-launcher{position:fixed!important;z-index:220;right:max(10px,env(safe-area-inset-right));bottom:max(10px,env(safe-area-inset-bottom));display:flex;align-items:center;gap:9px;min-height:44px;padding:9px 14px;border:1px solid color-mix(in srgb,var(--cyan) 55%,var(--line));border-radius:999px;background:linear-gradient(135deg,#0d3853,#10243b);color:#ecfbff;box-shadow:0 14px 40px rgba(0,0,0,.38),0 0 22px rgba(34,211,238,.14);font-size:11px}.contact-launcher span{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:rgba(34,211,238,.16);color:var(--cyan)}.contact-launcher i{display:grid;place-items:center;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:#ff5f68;color:#fff;font:900 10px system-ui}.contact-panel{position:fixed!important;z-index:230;right:max(10px,env(safe-area-inset-right));bottom:max(64px,calc(env(safe-area-inset-bottom) + 58px));width:min(390px,calc(100vw - 20px));max-height:min(760px,calc(100dvh - 82px));overflow:auto;padding:0 15px 16px;border:1px solid color-mix(in srgb,var(--cyan) 28%,var(--line));border-radius:18px;background:color-mix(in srgb,var(--panel) 97%,transparent);color:var(--text);box-shadow:0 24px 80px rgba(0,0,0,.55);backdrop-filter:blur(18px)}.contact-panel[hidden]{display:none}.contact-panel>header{position:sticky;z-index:2;top:0;display:flex;align-items:center;justify-content:space-between;margin:0 -15px;padding:14px 15px 12px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--panel) 96%,transparent);backdrop-filter:blur(14px)}.contact-panel header small{color:var(--cyan);font-size:8px;font-weight:900;letter-spacing:.14em}.contact-panel h2{margin:2px 0 0;font-size:17px}.contact-panel header button{width:34px;height:34px;padding:0;border-radius:10px;font-size:20px}.contact-intro{margin:13px 1px;color:var(--muted);font-size:10px;line-height:1.55}.contact-email{display:flex;align-items:center;gap:11px;padding:11px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel2) 88%,transparent);color:var(--text);text-decoration:none}.contact-email>span:first-child{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(34,211,238,.12);color:var(--cyan);font-size:18px}.contact-email span:last-child{display:grid;gap:2px;min-width:0}.contact-email small{color:var(--muted);font-size:7px;font-weight:900;letter-spacing:.12em}.contact-email b{overflow:hidden;text-overflow:ellipsis;font-size:10px}.member-card,.chat-card{margin-top:11px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel2) 84%,transparent)}.member-card summary{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:12px;cursor:pointer}.member-card summary span{font-size:11px;font-weight:850}.member-card summary small{color:var(--muted);font-size:8px}.member-fields{display:grid;gap:9px;padding:0 12px 12px}.member-fields label{display:grid;gap:4px;color:var(--muted);font-size:8px;font-weight:800}.member-fields input,.chat-card textarea,.chat-admin-picker select{width:100%;box-sizing:border-box}.member-fields .share-contact{display:flex;align-items:center;gap:7px}.member-fields .share-contact input{width:auto}.member-fields button{justify-self:start}.chat-card{padding:12px}.chat-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.chat-title>div{display:grid;gap:2px}.chat-title-actions{display:flex!important;align-items:center;gap:5px}.chat-title b{font-size:12px}.chat-title small{color:var(--muted);font-size:8px}.chat-title button{height:30px;padding:0 8px;font-size:8px}.chat-admin-picker{margin-top:9px}.chat-admin-picker label{display:grid;gap:4px;color:var(--muted);font-size:8px}.chat-messages{display:flex;min-height:120px;max-height:270px;margin:10px 0;overflow:auto;flex-direction:column;gap:7px;padding:9px;border:1px solid var(--line);border-radius:10px;background:rgba(2,9,17,.28)}.chat-empty{margin:auto;color:var(--muted);font-size:9px;text-align:center}.chat-bubble{align-self:flex-start;max-width:82%;padding:8px 10px;border-radius:11px 11px 11px 3px;background:color-mix(in srgb,var(--panel) 90%,var(--cyan) 10%);font-size:9px;line-height:1.45}.chat-bubble.mine{align-self:flex-end;border-radius:11px 11px 3px 11px;background:rgba(34,211,238,.18)}.chat-bubble small{display:block;margin-top:4px;color:var(--muted);font-size:7px}.chat-card form{display:grid;grid-template-columns:1fr auto;align-items:end;gap:7px}.chat-card textarea{min-height:58px;resize:vertical}.chat-card form button{height:38px}.chat-card>small,.member-fields>small{display:block;min-height:12px;margin-top:6px;color:var(--muted);font-size:8px}
html.ios-cinema .contact-launcher,html.ios-cinema .contact-panel,html.ios-settings-open .contact-launcher,html.ios-settings-open .contact-panel{display:none!important}
@media(max-width:560px){.contact-launcher{right:10px;bottom:max(10px,env(safe-area-inset-bottom));padding:8px}.contact-launcher b{display:none}.contact-panel{right:6px;bottom:max(62px,calc(env(safe-area-inset-bottom) + 56px));width:calc(100vw - 12px);max-height:calc(100dvh - 74px)}.chat-messages{max-height:34vh}}

/* Put each control's essential behavior first so signal timing never looks missing. */
.device-inspector[data-device-type="trafficSignal"] #timingTrafficSignal,.device-inspector[data-device-type="pedSignal"] #timingPedSignal,.device-inspector[data-device-type="railGate"] #timingGate,.device-inspector[data-device-type="gateFlasher"] #timingGate{order:-10;border-color:color-mix(in srgb,var(--cyan) 48%,var(--line));background:color-mix(in srgb,var(--cyan) 7%,transparent)}
.device-inspector .fields>.checkbox-field:first-child{order:-11}

/* Visitor-facing chat follows a conventional one-to-one messenger layout. */
.chat-person{display:flex!important;align-items:center;gap:9px}.chat-person>span:last-child{display:grid;gap:2px}.chat-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(145deg,#1a6f91,#16b7c8);color:#fff;font:900 10px system-ui;box-shadow:0 0 0 3px rgba(34,211,238,.1)}.chat-person small{display:flex;align-items:center;gap:4px}.chat-person small i{width:7px;height:7px;border-radius:50%;background:#35d487;box-shadow:0 0 7px rgba(53,212,135,.7)}#enableChatNotifications{width:34px;height:34px;padding:0;border-radius:50%;font-size:13px}.chat-card form{grid-template-columns:minmax(0,1fr) auto}.chat-card form button{min-width:58px;border-radius:10px;background:linear-gradient(135deg,#0e708e,#0aa5b4);color:#fff}.chat-card form button:disabled{cursor:wait;opacity:.55}.chat-protocol-hint{margin-top:6px!important;color:var(--muted);font-size:7px!important}.chat-messages{scroll-behavior:smooth}.chat-bubble{overflow-wrap:anywhere}.chat-bubble.mine small{text-align:right}