:root{--bg:#0e1116;--bg-elev:#161a23;--bg-elev-2:#1f242f;--fg:#e5e7eb;--fg-dim:#9aa3b2;--fg-mute:#6b7280;--accent:#4ade80;--accent-2:#38bdf8;--warn:#f59e0b;--danger:#ef4444;--border:#2a2f3a;--border-strong:#3a4150;--font-stack:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:"SF Mono","Menlo","Consolas",monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--bg);color:var(--fg);font-family:var(--font-stack);font-size:14px}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font-family:inherit;font-size:inherit;color:inherit;background:var(--bg-elev-2);border:1px solid var(--border-strong);border-radius:6px;padding:6px 10px}button{cursor:pointer}button:hover{background:#2a3140}button[disabled]{opacity:.5;cursor:not-allowed}.app{display:grid;grid-template-columns:320px 1fr 360px;grid-template-rows:56px 1fr;height:100vh;grid-gap:0;gap:0}.app-header{grid-column:1/-1;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid var(--border);background:var(--bg-elev);gap:14px}.app-header h1{font-size:14px;font-weight:600;margin:0;letter-spacing:.02em}.app-header .badge{font-size:10px;text-transform:uppercase;background:rgba(74,222,128,.12);color:var(--accent);padding:2px 8px;border-radius:4px;letter-spacing:.08em}.left-panel,.right-panel{overflow-y:auto;border-right:1px solid var(--border);background:var(--bg-elev);padding:14px 16px}.right-panel{border-right:none;border-left:1px solid var(--border)}.canvas-stage{position:relative;background:radial-gradient(circle at 50% 40%,#1a1f29 0,#0b0d12 100%);overflow:hidden}.section{margin-bottom:18px}.section h2{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--fg-dim);margin:0 0 8px}.section .row{margin:4px 0}.label-row{font-size:12px;color:var(--fg-dim);margin:4px 0 2px}.label-row,.value-row{display:flex;justify-content:space-between;align-items:center}.value-row{font-size:13px;margin:2px 0}.formula{background:#0a0c11;border:1px solid var(--border);border-radius:4px;padding:8px 10px;font-family:var(--font-mono);font-size:12px;color:#d4d4d8;overflow-x:auto}.kpi{display:flex;flex-direction:column;background:var(--bg-elev-2);border:1px solid var(--border);border-radius:6px;padding:10px 12px;margin:6px 0}.kpi .v{font-size:18px;font-weight:600}.kpi .k{font-size:11px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:.06em}.legend{background:rgba(15,18,25,.85);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--border);border-radius:6px;padding:8px 12px;position:absolute;bottom:16px;left:16px;font-size:12px;color:var(--fg)}.legend .gradient{height:8px;width:220px;border-radius:2px;background:linear-gradient(90deg,#440154,#3a528b,#20908c,#5ec961,#fde724)}.legend .ends{display:flex;justify-content:space-between;margin-top:4px}.legend .swatches{display:flex;gap:14px;margin-top:6px;font-size:11px;color:var(--fg-dim)}.legend .swatches .sw{display:inline-block;width:10px;height:10px;vertical-align:middle;margin-right:4px;border-radius:2px}.popover{position:absolute;z-index:30;max-width:360px;background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:6px;padding:10px 12px;box-shadow:0 10px 30px rgba(0,0,0,.45)}.popover h3{margin:0 0 4px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-dim)}.popover .quote{font-family:var(--font-mono);font-size:11px;color:#cbd5e1;border-left:2px solid var(--accent);padding-left:8px;margin-top:6px}.caveat{background:rgba(245,158,11,.06);border:1px solid rgba(245,158,11,.3);border-radius:4px;padding:8px 10px;color:#fcd34d;font-size:12px}.tab-bar{display:flex;gap:4px;margin-bottom:10px;border-bottom:1px solid var(--border)}.tab-bar button{background:transparent;border-radius:0;padding:6px 10px;font-size:12px;color:var(--fg-dim);border:none;border-bottom:2px solid transparent}.tab-bar button.active{color:var(--fg);border-bottom-color:var(--accent)}.gate-shell{display:flex;align-items:center;justify-content:center;height:100vh;background:radial-gradient(circle at 50% 40%,#1a1f29 0,#0b0d12 100%)}.gate-card{width:380px;background:var(--bg-elev);border:1px solid var(--border);border-radius:10px;padding:28px 30px}.gate-card h1{margin-top:0;font-size:16px;letter-spacing:.02em}.gate-card p{color:var(--fg-dim);font-size:13px}.gate-card input{width:100%;margin-top:10px}.gate-card button{margin-top:14px;width:100%;background:var(--accent);color:#0b0d12;border-color:transparent;font-weight:600}.gate-card .err{color:var(--danger);font-size:12px;margin-top:10px}.btn-primary{background:var(--accent);color:#0b0d12;border-color:transparent;font-weight:600}.btn-ghost{background:transparent;border:1px solid var(--border-strong)}input[type=range],select{width:100%}