:root{color:#172026;background:#eeeae2;font-family:Geist,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,select,input{font:inherit}.shell{min-height:100vh;padding:24px;background:linear-gradient(180deg,#f7f4eef0,#e8edebf5),#eeeae2}.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 auto 20px;max-width:1500px}.eyebrow{margin:0 0 6px;color:#586268;font-size:.78rem;font-weight:700;letter-spacing:0;text-transform:uppercase}h1{margin:0;color:#142229;font-size:clamp(2rem,4.5vw,5.4rem);line-height:.95;letter-spacing:0}.topbarActions{display:flex;align-items:center;gap:10px}.iconButton,.commandButton{display:inline-flex;align-items:center;justify-content:center;border:1px solid #b9c0bc;border-radius:8px;background:#fff;color:#152229;min-height:42px;cursor:pointer;transition:border-color .16s ease,transform .16s ease}.iconButton:hover,.commandButton:hover{border-color:#2a6f75;transform:translateY(-1px)}.iconButton{width:42px}.commandButton{gap:8px;padding:0 14px;font-weight:700}.workspace{display:grid;grid-template-columns:minmax(220px,280px) minmax(420px,1fr) minmax(280px,360px);gap:16px;max-width:1500px;margin:0 auto;align-items:start}.controls,.analysisPanel{display:grid;gap:12px}.controls,.readout,.metric,.canvasWrap{border:1px solid rgba(49,67,73,.16);border-radius:8px;background:#ffffffc7;box-shadow:0 18px 50px #212a2d14}.controls{padding:16px;position:sticky;top:16px}.controlGroup{display:grid;gap:8px}.controlGroup label,.labelRow{color:#3e4b50;font-size:.82rem;font-weight:800}.labelRow{display:flex;align-items:center;justify-content:space-between}select{min-height:38px;border:1px solid #b7c2bd;border-radius:6px;padding:0 10px;background:#fbfaf7;color:#152229}input[type=range]{width:100%;accent-color:#2a6f75}.visualColumn{display:grid;gap:14px}.canvasWrap{position:relative;overflow:hidden;min-height:620px}canvas{width:100%;height:620px;display:block}.canvasHud{position:absolute;right:14px;bottom:14px;display:flex;gap:8px;flex-wrap:wrap}.canvasHud span{border:1px solid rgba(31,45,51,.16);border-radius:6px;background:#ffffffd6;padding:8px 10px;color:#26383e;font-size:.82rem;font-weight:800}.metricGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.metric{min-height:108px;padding:14px;display:grid;align-content:space-between}.metricIcon{color:#2a6f75}.metric span{color:#526168;font-size:.76rem;font-weight:800}.metric strong{color:#132329;font-size:1.2rem;line-height:1.1;overflow-wrap:anywhere}.analysisPanel{position:sticky;top:16px}.readout{padding:16px}.readoutTitle{display:flex;align-items:center;gap:8px;margin-bottom:12px;color:#1d3036;font-weight:900}.tensorGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.tensorGrid span{min-height:38px;border-radius:6px;background:#edf2ef;display:flex;align-items:center;justify-content:center;color:#173238;font-family:JetBrains Mono,SFMono-Regular,Consolas,monospace;font-size:.8rem}.tensorGrid .zeroCell{color:#8b969a;background:#f7f5f0}.definitionList{display:grid;grid-template-columns:minmax(110px,1fr) minmax(0,1fr);gap:10px 12px;margin:0}.definitionList dt{color:#586268;font-size:.82rem;font-weight:800}.definitionList dd{margin:0;color:#132329;font-family:JetBrains Mono,SFMono-Regular,Consolas,monospace;font-size:.86rem;overflow-wrap:anywhere}@media(max-width:1180px){.workspace{grid-template-columns:240px minmax(0,1fr)}.analysisPanel{grid-column:1 / -1;position:static;grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:820px){.shell{padding:14px}.topbar{align-items:flex-start;flex-direction:column}.workspace,.analysisPanel,.metricGrid{grid-template-columns:1fr}.controls{position:static}.canvasWrap{min-height:430px}canvas{height:430px}}