:root{--ink:#f8fbff;--muted:#aebbd0;--panel:#091222bd;--line:#80e7ff33;--cyan:#39e6ff;--blue:#3e8cff;--violet:#a36cff;--green:#5ee3a1;--amber:#ffc857;--coral:#ff6b7f}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--ink);background:#050914;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.brand-logo{color:var(--ink);align-items:center;gap:14px;font-weight:900;display:inline-flex}.brand-logo-compact{gap:10px}.brand-mark{background:radial-gradient(circle at 30% 18%,#39e6ff73,#0000 34%),linear-gradient(135deg,#3e8cff61,#a36cff38),#081120f0;border:1px solid #39e6ff8f;border-radius:8px;grid-template-columns:repeat(2,16px);place-items:center;width:46px;height:46px;display:grid;position:relative;overflow:hidden;box-shadow:0 0 28px #39e6ff38,inset 0 0 22px #39e6ff1f}.brand-mark-letter{z-index:2;color:#fff;font-size:.94rem;line-height:1;position:relative}.brand-mark-orbit{border:1px solid 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0;background-repeat:repeat,repeat;background-size:26px 26px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:absolute;inset:0;-webkit-mask-image:radial-gradient(circle,#000,#0000 78%);mask-image:radial-gradient(circle,#000,#0000 78%)}.field-map{position:absolute;inset:58px 48px 42px 120px}.field-ring{border:1px solid #39e6ff52;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotateX(58deg)}.ring-one{aspect-ratio:1;width:74%}.ring-two{aspect-ratio:1;border-color:#a36cff73;width:54%}.ring-three{aspect-ratio:1;border-color:#5ee3a180;width:34%}.field-axis{background:#80e7ff61;position:absolute}.axis-x{height:1px;top:50%;left:4%;right:4%}.axis-y{width:1px;top:5%;bottom:5%;left:50%}.field-label{color:#6ff7ff;font-size:1rem;font-weight:900;position:absolute;top:5%;left:calc(50% + 10px)}.brain-slice{background:radial-gradient(circle at 38% 35%,#8dc6ffb3,#0000 19%),radial-gradient(circle at 63% 38%,#8dc6ffa3,#0000 20%),linear-gradient(#8ec3ff94,#112b4cd6);border:2px solid #bde9ffd1;border-radius:48% 48% 42% 42%;place-items:center;width:112px;height:136px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 34px #39e6ff42}.brain-slice span{border-left:2px solid #030c18cc;border-right:2px solid #030c18cc;border-radius:44px;width:44px;height:78px}.rf-card,.gradient-card,.sequence-chip{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#040a16c7;border:1px solid #80e7ff2e;border-radius:8px;position:absolute;box-shadow:0 20px 52px #0000003d}.rf-card{width:156px;padding:18px;top:84px;left:34px}.gradient-card{width:174px;padding:18px;bottom:76px;left:28px}.rf-card span,.gradient-card span{color:#dffbff;text-transform:uppercase;font-size:.78rem;font-weight:900}.wave-line,.gradient-trace{align-items:center;gap:4px;height:58px;margin-top:10px;display:flex}.wave-line 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button:disabled{cursor:wait;opacity:.72}.waitlist-message{color:#93a6bf;min-height:1.4em;margin:0;font-size:.84rem;line-height:1.45}.waitlist-message.error{color:#ff9ca9}.admin-page{min-height:100vh;color:var(--ink);background:radial-gradient(circle at 85% 14%,#39e6ff1f,#0000 28%),linear-gradient(135deg,#030611,#07101f 58%,#040713);padding:28px}.admin-topbar,.admin-panel{width:min(1160px,100%);margin:0 auto}.admin-topbar{justify-content:space-between;align-items:center;gap:20px;min-height:66px;display:flex}.admin-panel{background:#040a16c7;border:1px solid #80e7ff29;border-radius:8px;padding:clamp(24px,4vw,40px);box-shadow:0 30px 100px #00000047}.admin-header{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.admin-header h1,.admin-denied h1{color:#fff;letter-spacing:0;margin:12px 0 0;font-size:clamp(2.2rem,4.8vw,4.5rem);line-height:.96}.admin-muted,.admin-denied p{color:var(--muted);margin:14px 0 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#80e7ff1f;padding:14px 12px}.admin-table th{color:#8ea4bd;text-transform:uppercase;font-size:.76rem;font-weight:900}.admin-table td{color:#e8f6ff;font-size:.94rem}.admin-empty{color:var(--muted);margin-top:28px;padding:28px}.admin-denied{max-width:680px}@keyframes floatSoft{0%,to{transform:translate(0,0)}50%{transform:translateY(-12px)}}@keyframes waveDance{0%,to{opacity:.55;transform:scaleY(.62)}50%{opacity:1;transform:scaleY(1)}}@media (width<=960px){.home-nav,.home-hero,.signup-section{width:min(760px,100% - 36px)}.home-hero,.signup-section{grid-template-columns:1fr}.hero-visual{min-height:470px}.field-map{inset:52px 34px 36px 86px}}@media (width<=640px){.home-nav{flex-direction:column;justify-content:center;align-items:flex-start;padding:18px 0}.brand-word{font-size:1.42rem}.hero-copy h1{font-size:clamp(3.3rem,17vw,4.6rem)}.home-hero{padding-top:38px}.hero-visual{min-height:420px}.physics-console{min-height:420px;position:relative}.field-map{inset:70px 18px 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