:root{--bg:#050509;--panel:#090e15c7;--border:#93c5fd38;--text:#e7ecff;--dim:#93a2b7;--accent:#5eead4;--accent2:#fbbf24;--accent3:#fb7185;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box;margin:0}html,body{background:var(--bg);height:100%;color:var(--text);overflow:hidden}#stage{cursor:crosshair;background:#050509;width:100vw;height:100vh;display:block;position:fixed;inset:0}.hud{z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:fixed}.hud-top{background:linear-gradient(#05060acc,#0000);justify-content:space-between;align-items:center;padding:14px 20px;display:flex;top:0;left:0;right:0}.brand{flex-wrap:wrap;align-items:baseline;gap:14px;display:flex}.logo{letter-spacing:0;background:linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:18px;font-weight:800}.tagline{color:var(--dim);font-size:13px}.demo-nav{border:1px solid var(--border);background:#090e159e;border-radius:8px;align-items:center;gap:6px;padding:4px;display:flex}.demo-nav a{height:28px;color:var(--dim);border-radius:6px;align-items:center;padding:0 10px;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.demo-nav a.active{color:var(--accent);background:#5eead424}.status{color:var(--dim);border:1px solid var(--border);border-radius:8px;padding:4px 10px;font-size:12px}.status.live{color:var(--accent);border-color:#5eead466}.hud-actions{align-items:center;gap:10px;display:flex}.cta{letter-spacing:.01em;cursor:pointer;color:#04140f;background:linear-gradient(135deg, var(--accent), #34d399);border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:6px;height:40px;padding:0 20px;font-size:14px;font-weight:800;text-decoration:none;transition:transform .12s,box-shadow .12s,opacity .12s;display:inline-flex;box-shadow:0 10px 30px #34d39940}.cta:hover{transform:translateY(-1px);box-shadow:0 14px 38px #34d39957}.cta:active{transform:translateY(0)}.cta-sm{height:30px;box-shadow:none;border-radius:8px;padding:0 14px;font-size:12px}.cta-ghost{color:var(--text);border-color:var(--border);box-shadow:none;background:0 0}.cta-ghost:hover{box-shadow:none;border-color:#5eead480}.intro{z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:radial-gradient(120% 120% at 50% 0,#05060ab8,#05060aed);justify-content:center;align-items:center;padding:24px;animation:.4s both introFade;display:flex;position:fixed;inset:0}.intro.hidden{display:none}@keyframes introFade{0%{opacity:0}to{opacity:1}}.intro-card{border:1px solid var(--border);background:linear-gradient(#0b1018eb,#070a10eb);border-radius:18px;width:min(640px,100%);max-height:calc(100vh - 48px);padding:34px 36px;overflow-y:auto;box-shadow:0 40px 120px #0000008c}.intro-eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-size:12px;font-weight:800;display:inline-block}.intro-title{letter-spacing:-.02em;background:linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));color:#0000;-webkit-background-clip:text;background-clip:text;margin:14px 0 0;font-size:clamp(28px,4.5vw,44px);font-weight:800;line-height:1.05}.intro-sub{color:var(--dim);margin:16px 0 0;font-size:15px;line-height:1.6}.intro-sub strong{color:var(--text)}.intro-points{gap:12px;margin:22px 0 0;padding:0;list-style:none;display:grid}.intro-points li{border:1px solid var(--border);background:#ffffff06;border-radius:11px;gap:3px;padding:13px 15px;display:grid}.intro-points .ip-k{color:var(--accent);font-size:13px;font-weight:800}.intro-points .ip-v{color:var(--dim);font-size:13px;line-height:1.5}.intro-actions{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.intro-foot{color:var(--dim);margin:22px 0 0;font-size:12.5px;line-height:1.6}.intro-foot strong{color:var(--text)}.intro-foot a{color:var(--accent);text-decoration:none}.intro-foot a:hover{text-decoration:underline}.hud-left{overscroll-behavior:contain;background:var(--panel);border:1px solid var(--border);border-radius:8px;width:300px;max-height:calc(100vh - 92px);padding:18px;top:72px;left:20px;overflow-y:auto;box-shadow:0 18px 54px #00000052}.hud-left.wide{width:372px}.hud-left h2{text-transform:uppercase;letter-spacing:0;color:var(--dim);margin-bottom:12px;font-size:12px}.stat.hero{border:1px solid var(--border);background:linear-gradient(135deg,#5eead417,#fbbf2414);border-radius:8px;margin-bottom:14px;padding:14px}.stat-row{justify-content:space-between;align-items:baseline;display:flex}.stat-row .label{color:var(--dim);font-size:12px}.stat-row.dim .value{color:var(--accent2);font-size:23px}.stat-row .value{font-variant-numeric:tabular-nums;color:var(--accent);font-size:26px;font-weight:800}.stat-row .value.compact{text-align:right;font-size:20px}.stat-row .value.ok{color:var(--accent)}.stat-row .value.warn{color:var(--accent2)}.savings{color:#ffd166;margin-top:8px;font-size:13px;font-weight:700;line-height:1.35}.demo-explainer{color:var(--text);opacity:.82;margin:-2px 0 14px;font-size:12.5px;line-height:1.5}.compare{border:1px solid var(--border);background:#ffffff08;border-radius:9px;gap:6px;margin-bottom:14px;padding:11px 12px;display:grid}.compare-row{color:var(--text);justify-content:space-between;align-items:baseline;gap:12px;font-size:12px;display:flex}.compare-row b{font-variant-numeric:tabular-nums;color:var(--accent);font-size:14px;font-weight:800}.compare-row.dim{color:var(--dim)}.compare-row.dim b{color:var(--accent3)}.compare-track{background:#fb718538;border-radius:999px;height:7px;overflow:hidden}.compare-track i{background:linear-gradient(90deg, var(--accent), #34d399);border-radius:999px;width:4%;height:100%;transition:width .4s;display:block}.legend{color:var(--dim);flex-wrap:wrap;gap:6px 14px;margin:2px 0 8px;font-size:11px;display:flex}.legend span{align-items:center;gap:6px;display:inline-flex}.legend .swatch{border-radius:50%;flex:none;width:11px;height:11px}.legend .swatch.you{background:#fff;box-shadow:0 0 0 2px #ffffff59}.legend .swatch.near{background:#3df5f5}.legend .swatch.box{background:0 0;border:1.5px dashed #5eead4cc;border-radius:2px}.presets{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.preset{color:var(--text);border:1px solid var(--border);cursor:pointer;background:#ffffff0a;border-radius:8px;flex:auto;padding:8px 10px;font-size:11.5px;font-weight:700;transition:border-color .15s,background .15s}.preset:hover{border-color:var(--accent);background:#5eead41a}.grid{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px;display:grid}.rollback-grid{grid-template-columns:1fr 1fr 1fr}.cell{border:1px solid var(--border);background:#ffffff08;border-radius:8px;flex-direction:column;gap:2px;padding:10px;display:flex}.cell .k{color:var(--dim);font-size:11px}.cell .v{font-variant-numeric:tabular-nums;font-size:16px;font-weight:700}.hint{color:var(--dim);margin-top:4px;font-size:11px;line-height:1.5}.controls{gap:12px;margin-bottom:14px;display:grid}.control{gap:7px;display:grid}.control span{color:var(--dim);justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.control b{color:var(--text);font-size:12px;font-weight:700}.control em{font-variant-numeric:tabular-nums;color:var(--accent2);font-style:normal}.control input[type=range]{width:100%;accent-color:var(--accent)}.toggle{border:1px solid var(--border);color:var(--text);background:#ffffff09;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:10px;font-size:13px;font-weight:800;display:flex}.toggle input{width:42px;height:22px;accent-color:var(--accent)}.checksum{border:1px solid var(--border);background:#ffffff08;border-radius:8px;gap:6px;padding:10px;display:grid}.checksum span{color:var(--dim);font-size:11px}.checksum code{color:var(--accent2);word-break:break-word;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:11px;line-height:1.45}.hud-bottom{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:10px 16px;bottom:16px;left:50%;transform:translate(-50%)}.hud-bottom code{color:var(--accent);font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:13px}@media (width<=640px){.tagline{display:none}.demo-nav{order:3;justify-content:center;width:100%}.hud-top{flex-wrap:wrap;align-items:flex-start;gap:8px}.hud-actions{gap:8px}.intro-card{padding:24px 20px}.intro-actions .cta{flex:auto}.hud-left{width:calc(100vw - 20px);max-height:calc(100vh - 118px);padding:12px;top:98px;left:10px}.hud-left.wide{width:calc(100vw - 20px)}.stat.hero{margin-bottom:10px}.grid{margin-bottom:8px}.rollback-grid{grid-template-columns:1fr 1fr}.hud-bottom{display:none}.hud-bottom code{font-size:11px}}