:root{--bg: #050509;--panel: rgba(9, 14, 21, .78);--border: rgba(147, 197, 253, .22);--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{height:100%;background:var(--bg);color:var(--text);overflow:hidden}#stage{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;display:block;background:#050509;cursor:crosshair}.hud{position:fixed;z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.hud-top{top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:linear-gradient(180deg,rgba(5,6,10,.8),transparent)}.brand{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}.logo{font-weight:800;font-size:18px;letter-spacing:0;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--accent3));-webkit-background-clip:text;background-clip:text;color:transparent}.tagline{color:var(--dim);font-size:13px}.demo-nav{display:flex;align-items:center;gap:6px;padding:4px;border:1px solid var(--border);border-radius:8px;background:#090e159e}.demo-nav a{display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:6px;color:var(--dim);font-size:12px;font-weight:700;text-decoration:none}.demo-nav a.active{background:#5eead424;color:var(--accent)}.status{font-size:12px;color:var(--dim);padding:4px 10px;border:1px solid var(--border);border-radius:8px}.status.live{color:var(--accent);border-color:#5eead466}.hud-actions{display:flex;align-items:center;gap:10px}.cta{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 20px;border:1px solid transparent;border-radius:9px;font-size:14px;font-weight:800;letter-spacing:.01em;text-decoration:none;cursor:pointer;color:#04140f;background:linear-gradient(135deg,var(--accent),#34d399);box-shadow:0 10px 30px #34d39940;transition:transform .12s ease,box-shadow .12s ease,opacity .12s ease}.cta:hover{transform:translateY(-1px);box-shadow:0 14px 38px #34d39957}.cta:active{transform:translateY(0)}.cta-sm{height:30px;padding:0 14px;font-size:12px;border-radius:8px;box-shadow:none}.cta-ghost{color:var(--text);background:transparent;border-color:var(--border);box-shadow:none}.cta-ghost:hover{border-color:#5eead480;box-shadow:none}.intro{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(120% 120% at 50% 0%,#05060ab8,#05060aed);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:introFade .4s ease both}.intro.hidden{display:none}@keyframes introFade{0%{opacity:0}to{opacity:1}}.intro-card{width:min(640px,100%);max-height:calc(100vh - 48px);overflow-y:auto;padding:34px 36px;border:1px solid var(--border);border-radius:18px;background:linear-gradient(180deg,#0b1018eb,#070a10eb);box-shadow:0 40px 120px #0000008c}.intro-eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.intro-title{margin:14px 0 0;font-size:clamp(28px,4.5vw,44px);line-height:1.05;font-weight:800;letter-spacing:-.02em;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--accent3));-webkit-background-clip:text;background-clip:text;color:transparent}.intro-sub{margin:16px 0 0;font-size:15px;line-height:1.6;color:var(--dim)}.intro-sub strong{color:var(--text)}.intro-points{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}.intro-points li{display:grid;gap:3px;padding:13px 15px;border:1px solid var(--border);border-radius:11px;background:#ffffff06}.intro-points .ip-k{font-size:13px;font-weight:800;color:var(--accent)}.intro-points .ip-v{font-size:13px;line-height:1.5;color:var(--dim)}.intro-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.intro-foot{margin:22px 0 0;font-size:12.5px;line-height:1.6;color:var(--dim)}.intro-foot strong{color:var(--text)}.intro-foot a{color:var(--accent);text-decoration:none}.intro-foot a:hover{text-decoration:underline}.hud-left{top:72px;left:20px;width:300px;padding:18px;background:var(--panel);border:1px solid var(--border);border-radius:8px;box-shadow:0 18px 54px #00000052}.hud-left.wide{width:372px}.hud-left h2{font-size:12px;text-transform:uppercase;letter-spacing:0;color:var(--dim);margin-bottom:12px}.stat.hero{padding:14px;border-radius:8px;background:linear-gradient(135deg,#5eead417,#fbbf2414);border:1px solid var(--border);margin-bottom:14px}.stat-row{display:flex;align-items:baseline;justify-content:space-between}.stat-row .label{font-size:12px;color:var(--dim)}.stat-row.dim .value{color:var(--accent2);font-size:23px}.stat-row .value{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--accent)}.stat-row .value.compact{font-size:20px;text-align:right}.stat-row .value.ok{color:var(--accent)}.stat-row .value.warn{color:var(--accent2)}.savings{margin-top:8px;font-size:13px;font-weight:700;line-height:1.35;color:#ffd166}.demo-explainer{margin:-2px 0 14px;font-size:12.5px;line-height:1.5;color:var(--text);opacity:.82}.compare{display:grid;gap:6px;margin-bottom:14px;padding:11px 12px;border:1px solid var(--border);border-radius:9px;background:#ffffff08}.compare-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:12px;color:var(--text)}.compare-row b{font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--accent)}.compare-row.dim{color:var(--dim)}.compare-row.dim b{color:var(--accent3)}.compare-track{height:7px;border-radius:999px;background:#fb718538;overflow:hidden}.compare-track i{display:block;height:100%;width:4%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#34d399);transition:width .4s ease}.legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin:2px 0 8px;font-size:11px;color:var(--dim)}.legend span{display:inline-flex;align-items:center;gap:6px}.legend .swatch{width:11px;height:11px;border-radius:50%;flex:none}.legend .swatch.you{background:#fff;box-shadow:0 0 0 2px #ffffff59}.legend .swatch.near{background:#3df5f5}.legend .swatch.box{border-radius:2px;background:transparent;border:1.5px dashed rgba(94,234,212,.8)}.presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.preset{flex:1 1 auto;padding:8px 10px;font-size:11.5px;font-weight:700;color:var(--text);background:#ffffff0a;border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:border-color .15s ease,background .15s ease}.preset:hover{border-color:var(--accent);background:#5eead41a}.grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}.rollback-grid{grid-template-columns:1fr 1fr 1fr}.cell{display:flex;flex-direction:column;gap:2px;padding:10px;background:#ffffff08;border:1px solid var(--border);border-radius:8px}.cell .k{font-size:11px;color:var(--dim)}.cell .v{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}.hint{margin-top:4px;font-size:11px;line-height:1.5;color:var(--dim)}.controls{display:grid;gap:12px;margin-bottom:14px}.control{display:grid;gap:7px}.control span{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--dim)}.control b{font-size:12px;font-weight:700;color:var(--text)}.control em{font-style:normal;font-variant-numeric:tabular-nums;color:var(--accent2)}.control input[type=range]{width:100%;accent-color:var(--accent)}.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px;border:1px solid var(--border);border-radius:8px;background:#ffffff09;font-size:13px;font-weight:800;color:var(--text)}.toggle input{width:42px;height:22px;accent-color:var(--accent)}.checksum{display:grid;gap:6px;padding:10px;border:1px solid var(--border);border-radius:8px;background:#ffffff08}.checksum span{font-size:11px;color:var(--dim)}.checksum code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:11px;line-height:1.45;color:var(--accent2);word-break:break-word}.hud-bottom{bottom:16px;left:50%;transform:translate(-50%);padding:10px 16px;background:var(--panel);border:1px solid var(--border);border-radius:8px}.hud-bottom code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:13px;color:var(--accent)}@media (max-width: 640px){.tagline{display:none}.demo-nav{order:3;width:100%;justify-content:center}.hud-top{align-items:flex-start;gap:8px;flex-wrap:wrap}.hud-actions{gap:8px}.intro-card{padding:24px 20px}.intro-actions .cta{flex:1 1 auto}.hud-left{top:98px;left:10px;width:calc(100vw - 20px);padding:12px}.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}}