:root { color-scheme:light; --ink:#17201b; --muted:#617069; --line:rgba(23,32,27,.14); --blue:#315d8f; --green:#2f7d57; --amber:#a96112; --red:#a74638; --bg:#e7ece9; }
* { box-sizing:border-box; }
html,body { width:100%; min-height:100%; margin:0; overflow-x:hidden; }
body,button,input,select { font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
body { color:var(--ink); background:var(--bg); }
button,a { font:inherit; }
a { color:inherit; text-decoration:none; }
h1,h2,p { margin:0; letter-spacing:0; }
.workbench-app { display:grid; grid-template-columns:minmax(0,1fr) 420px; width:100%; min-width:0; min-height:100vh; }
.scene { position:relative; width:100%; min-width:0; min-height:700px; overflow:hidden; background:#dce2df; }
.scene canvas { display:block; width:100%; height:100%; touch-action:none; }
.scene-nav,.view-controls,.scene-readout,.route-legend { position:absolute; z-index:3; }
.scene-nav,.view-controls { top:14px; display:flex; gap:5px; }
.scene-nav { left:14px; }
.view-controls { right:14px; }
.scene-nav a,.view-controls button { display:inline-flex; align-items:center; justify-content:center; min-width:38px; min-height:36px; padding:0 10px; border:1px solid rgba(23,32,27,.16); border-radius:7px; color:var(--ink); background:rgba(255,255,255,.88); font-size:11px; font-weight:900; backdrop-filter:blur(12px); }
.view-controls button { cursor:pointer; }
.scene-nav a:hover,.view-controls button:hover,.scene-nav a:focus-visible,.view-controls button:focus-visible { color:#fff; border-color:var(--blue); background:var(--blue); outline:0; }
.scene-readout { left:14px; bottom:58px; display:grid; gap:3px; max-width:360px; padding:8px 10px; border:1px solid rgba(23,32,27,.12); border-radius:7px; background:rgba(255,255,255,.86); backdrop-filter:blur(12px); }
.scene-readout strong { font-size:12px; }
.scene-readout span { color:var(--muted); font-size:10px; font-weight:800; }
.route-legend { right:14px; bottom:14px; display:flex; flex-wrap:wrap; gap:6px 12px; padding:7px 9px; border:1px solid rgba(23,32,27,.12); border-radius:7px; background:rgba(255,255,255,.86); backdrop-filter:blur(12px); }
.route-legend span { display:inline-flex; align-items:center; gap:5px; color:#34413b; font-size:9px; font-weight:850; }
.route-legend i { width:14px; height:4px; border-radius:2px; }
.route-legend i.feed { background:#b94e3f; }
.route-legend i.product { background:#2f83b8; }
.route-legend i.waste { background:#3d4542; }
.control-panel { display:flex; flex-direction:column; gap:12px; width:100%; min-width:0; max-height:100vh; overflow-y:auto; padding:18px; border-left:1px solid var(--line); background:rgba(255,255,255,.96); }
.panel-header { display:flex; align-items:flex-start; justify-content:space-between; gap:12px; padding-bottom:14px; border-bottom:1px solid var(--line); }
.eyebrow,.section-title { margin:0 0 5px; color:var(--muted); font-size:10px; font-weight:900; text-transform:uppercase; }
h1 { max-width:290px; font-size:23px; line-height:1.1; }
.fit-badge { flex:0 0 auto; padding:5px 7px; border:1px solid rgba(47,125,87,.3); border-radius:5px; color:var(--green); background:rgba(47,125,87,.08); font-size:9px; font-weight:950; }
.fit-badge.warning { color:var(--amber); border-color:rgba(169,97,18,.3); background:rgba(169,97,18,.08); }
.fit-badge.blocked { color:var(--red); border-color:rgba(167,70,56,.3); background:rgba(167,70,56,.08); }
.control-section,.selected-component,.planning-note { display:grid; gap:9px; padding:12px; border:1px solid var(--line); border-radius:8px; background:#fff; }
.control-section label { display:grid; gap:5px; color:var(--muted); font-size:10px; font-weight:850; }
.control-section label>span { display:flex; justify-content:space-between; gap:10px; }
.control-section label b { color:var(--ink); }
select { width:100%; min-height:36px; padding:0 9px; border:1px solid var(--line); border-radius:6px; color:var(--ink); background:#fff; }
input[type="range"] { width:100%; accent-color:var(--blue); }
.toggle-grid { display:grid; grid-template-columns:1fr 1fr; gap:7px; padding-top:2px; }
.toggle-grid label { display:flex; align-items:center; gap:7px; min-height:28px; color:var(--ink); }
.toggle-grid input { width:16px; height:16px; margin:0; accent-color:var(--blue); }
.fit-result { display:grid; gap:10px; padding:12px; border:1px solid rgba(47,125,87,.28); border-radius:8px; background:rgba(47,125,87,.06); }
.fit-result.warning { border-color:rgba(169,97,18,.28); background:rgba(169,97,18,.07); }
.fit-result.blocked { border-color:rgba(167,70,56,.28); background:rgba(167,70,56,.07); }
.fit-result-head { display:flex; justify-content:space-between; gap:10px; font-size:12px; }
.fit-result-head span { color:var(--muted); font-size:9px; font-weight:900; }
.fit-metrics { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:5px; }
.fit-metrics div { display:grid; gap:3px; padding-top:7px; border-top:1px solid var(--line); }
.fit-metrics span { color:var(--muted); font-size:8px; font-weight:850; text-transform:uppercase; }
.fit-metrics b { font-size:10px; line-height:1.25; }
.fit-result p,.selected-component p,.planning-note p,.action-message { color:var(--muted); font-size:10px; line-height:1.45; }
.selected-component { min-height:105px; border-color:rgba(49,93,143,.23); background:#f9fbfc; }
.selected-component strong { font-size:13px; }
.panel-actions { display:grid; grid-template-columns:1fr 1fr; gap:7px; }
.panel-actions button,.panel-actions a { display:inline-flex; align-items:center; justify-content:center; min-height:42px; border-radius:7px; font-weight:900; cursor:pointer; }
.secondary-action { border:1px solid var(--blue); color:var(--blue); background:#fff; }
.primary-action { border:1px solid var(--blue); color:#fff; background:var(--blue); }
.action-message { min-height:14px; }
@media(max-width:980px){.workbench-app{grid-template-columns:minmax(0,1fr)}.scene{min-height:62vh}.control-panel{max-height:none;overflow:visible;border-left:0;border-top:1px solid var(--line)}}
@media(max-width:620px){.scene,.control-panel{width:100vw;max-width:100vw}.scene{min-height:56vh}.control-panel{padding:14px}.panel-header{flex-direction:column}.view-controls{top:58px;right:auto;left:14px}.scene-readout{bottom:62px}.route-legend{left:14px;right:14px;justify-content:flex-start}.fit-metrics{grid-template-columns:1fr 1fr}.toggle-grid,.panel-actions{grid-template-columns:1fr}.control-section label>span{flex-wrap:wrap}.planning-note p,.selected-component p{overflow-wrap:anywhere}}