:root{
  color-scheme:light dark;
  --plane:#f4f5f7;
  --surface:rgba(255,255,255,.94);
  --surface-solid:#fff;
  --ink:#0b0b0b;
  --ink-2:#52514e;
  --muted:#73746f;
  --line:#dfe2e6;
  --field:#f8f9fb;
  --accent:#2a78d6;
  --accent-2:#14aa78;
  --accent-soft:rgba(42,120,214,.12);
  --danger:#c92f3f;
  --danger-soft:rgba(201,47,63,.1);
  --success:#087f5b;
  --success-soft:rgba(8,127,91,.1);
  --shadow:0 24px 70px rgba(24,42,68,.14),0 4px 18px rgba(24,42,68,.08);
  --grad:linear-gradient(135deg,#2a78d6,#14aa78);
}
@media (prefers-color-scheme:dark){
  :root{
    --plane:#0c0c0d;
    --surface:rgba(26,26,25,.94);
    --surface-solid:#1a1a19;
    --ink:#fff;
    --ink-2:#c3c2b7;
    --muted:#a0a19a;
    --line:#353632;
    --field:#111211;
    --accent:#3987e5;
    --accent-2:#1bb985;
    --accent-soft:rgba(57,135,229,.16);
    --danger:#ff6674;
    --danger-soft:rgba(255,102,116,.12);
    --success:#45d6a3;
    --success-soft:rgba(69,214,163,.12);
    --shadow:0 26px 80px rgba(0,0,0,.46),0 5px 20px rgba(0,0,0,.34);
  }
}
*{box-sizing:border-box}
html{min-width:320px;background:var(--plane)}
body{
  min-height:100vh;margin:0;color:var(--ink);
  background:
    radial-gradient(circle at 12% 18%,rgba(42,120,214,.14),transparent 34%),
    radial-gradient(circle at 88% 82%,rgba(20,170,120,.13),transparent 32%),
    var(--plane);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.45;
}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit}
.market-bg{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;opacity:.72}
.market-bg::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(42,120,214,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,120,214,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom,transparent,black 20%,black 80%,transparent);
}
.market-chart{
  position:absolute;width:max(1050px,110vw);height:62vh;left:-5vw;bottom:-6vh;
  filter:drop-shadow(0 12px 26px rgba(42,120,214,.08));
  animation:chart-drift 18s ease-in-out infinite alternate;will-change:transform;
}
.market-chart .area{fill:url(#areaGradient)}
.market-chart .trend{
  fill:none;stroke:url(#lineGradient);stroke-width:4;stroke-linecap:round;
  stroke-linejoin:round;stroke-dasharray:16 8;animation:line-flow 8s linear infinite;
}
.market-chart .trend-secondary{fill:none;stroke:rgba(74,58,167,.28);stroke-width:2;stroke-dasharray:7 12}
.market-chart .candle-up{fill:rgba(20,170,120,.46)}
.market-chart .candle-down{fill:rgba(235,104,52,.42)}
.market-chart .wick{stroke:currentColor;stroke-width:2}
.market-chart .pulse{
  fill:var(--surface-solid);stroke:var(--accent-2);stroke-width:3;
  transform-box:fill-box;transform-origin:center;animation:pulse 2.8s ease-out infinite;
}
@keyframes chart-drift{from{transform:translate3d(-1.5%,0,0)}to{transform:translate3d(1.5%,-2%,0) scale(1.015)}}
@keyframes line-flow{to{stroke-dashoffset:-192}}
@keyframes pulse{0%,35%{transform:scale(.85);opacity:.95}75%,100%{transform:scale(1.65);opacity:.12}}
.page{
  position:relative;z-index:1;min-height:100vh;display:grid;place-items:center;
  padding:calc(28px + env(safe-area-inset-top)) 22px calc(28px + env(safe-area-inset-bottom));
}
.auth-shell{
  width:min(1080px,100%);display:grid;
  grid-template-columns:minmax(0,1fr) minmax(360px,470px);
  gap:clamp(30px,6vw,76px);align-items:center;
}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;width:fit-content}
.brand-mark{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  color:#fff;background:var(--grad);box-shadow:0 10px 28px rgba(42,120,214,.24);
}
.brand-mark svg{width:26px;height:26px}
.brand-name{font-size:17px;font-weight:850;letter-spacing:-.02em}
.intro{padding:20px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin:52px 0 18px;padding:7px 11px;
  border:1px solid rgba(42,120,214,.18);border-radius:999px;color:var(--accent);
  background:var(--accent-soft);font-size:12px;font-weight:800;letter-spacing:.04em;
  text-transform:uppercase;
}
.signup-intro .eyebrow,.login-intro .eyebrow{margin-left:64px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 5px rgba(20,170,120,.11)}
.intro h1{max-width:660px;margin:0;font-size:clamp(38px,5.5vw,68px);line-height:1.03;letter-spacing:-.055em}
.intro h1 span{color:transparent;background:var(--grad);background-clip:text;-webkit-background-clip:text}
.intro-copy{max-width:580px;margin:22px 0 0;color:var(--ink-2);font-size:clamp(16px,1.7vw,19px)}
.feature-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:34px 0 0;padding:0;list-style:none}
.feature-list li{min-height:94px;padding:15px;border:1px solid rgba(42,120,214,.13);border-radius:16px;color:var(--ink-2);background:rgba(255,255,255,.42);backdrop-filter:blur(8px);font-size:13px}
.feature-list strong{display:block;margin-bottom:5px;color:var(--ink);font-size:14px}
.form-card{
  width:100%;padding:clamp(24px,4vw,38px);border:1px solid rgba(255,255,255,.46);
  border-radius:24px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(18px);
}
.form-card h2{margin:0;font-size:clamp(26px,3vw,34px);letter-spacing:-.035em}
.form-lead{margin:7px 0 26px;color:var(--muted);font-size:14px}
.form-field{margin-bottom:16px}
.label-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:7px}
label{color:var(--ink-2);font-size:13px;font-weight:750}
.field-hint{color:var(--muted);font-size:11px}
.field-link{color:var(--accent);font-size:12px;font-weight:800;text-decoration:none}
.field-link:hover{text-decoration:underline}
.input-wrap{position:relative}
input{
  width:100%;min-height:50px;padding:0 14px;border:1px solid var(--line);
  border-radius:13px;outline:0;color:var(--ink);background:var(--field);
  transition:border-color .18s,box-shadow .18s,background .18s;
}
input::placeholder{color:var(--muted);opacity:.78}
input:focus{border-color:var(--accent);background:var(--surface-solid);box-shadow:0 0 0 4px var(--accent-soft)}
input[readonly]{color:var(--ink-2);background:var(--accent-soft);cursor:not-allowed}
.password-input{padding-right:80px}
.password-toggle{
  position:absolute;right:7px;top:7px;min-width:66px;height:36px;padding:0 10px;
  border:0;border-radius:9px;color:var(--accent);background:transparent;
  font-size:12px;font-weight:800;cursor:pointer;
}
.password-toggle:hover{background:var(--accent-soft)}
.password-toggle:focus-visible,.link-button:focus-visible,.field-link:focus-visible,.button:focus-visible,.brand:focus-visible,.oauth-button:focus-visible{
  outline:3px solid var(--accent-soft);outline-offset:3px;
}
.form-field.is-invalid input{border-color:var(--danger);background:var(--danger-soft);box-shadow:0 0 0 3px var(--danger-soft)}
.field-error{display:none;margin:6px 2px 0;color:var(--danger);font-size:12px;font-weight:650}
.form-field.is-invalid .field-error{display:block}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;
  border:0;border-radius:14px;padding:0 19px;color:#fff;background:var(--grad);
  box-shadow:0 12px 28px rgba(42,120,214,.22);font-weight:850;text-decoration:none;
  cursor:pointer;transition:transform .16s,filter .16s,opacity .16s;
}
.button.full{width:100%}
.button.secondary{color:var(--accent);background:var(--surface-solid);border:1px solid var(--line);box-shadow:none}
.button:hover:not(:disabled){filter:brightness(1.035);transform:translateY(-1px)}
.button:disabled{cursor:not-allowed;opacity:.58;box-shadow:none}
.spinner{display:none;width:17px;height:17px;border:2px solid rgba(255,255,255,.42);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.is-loading .spinner{display:block}
@keyframes spin{to{transform:rotate(360deg)}}
.form-status{display:none;margin:14px 0 0;padding:11px 13px;border-radius:11px;font-size:12px;font-weight:650}
.form-status.is-visible{display:block}
.form-status.is-error{color:var(--danger);background:var(--danger-soft)}
.form-status.is-success{color:var(--success);background:var(--success-soft)}
.oauth-button{
  width:100%;min-height:50px;display:flex;align-items:center;justify-content:center;
  gap:11px;padding:0 16px;border:1px solid var(--line);border-radius:14px;
  color:var(--ink);background:var(--surface-solid);font-size:14px;font-weight:800;
  text-decoration:none;box-shadow:0 5px 16px rgba(24,42,68,.05);
  transition:border-color .18s,box-shadow .18s,transform .18s,background .18s;
}
.oauth-button:hover{
  border-color:rgba(42,120,214,.48);background:var(--field);
  box-shadow:0 8px 22px rgba(42,120,214,.1);transform:translateY(-1px);
}
.google-icon{width:20px;height:20px;flex:0 0 20px}
.oauth-divider{
  display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--muted);
  font-size:11px;font-weight:700;text-align:center;text-transform:uppercase;
  letter-spacing:.035em;
}
.oauth-divider::before,.oauth-divider::after{
  content:"";height:1px;flex:1;background:var(--line);
}
.oauth-divider span{white-space:nowrap}
.oauth-registration-notice{
  margin:-4px 0 20px;padding:12px 13px;border:1px solid rgba(8,127,91,.18);
  border-radius:12px;color:var(--success);background:var(--success-soft);
  font-size:12px;font-weight:650;
}
.oauth-registration-notice.is-error{
  border-color:rgba(201,47,63,.18);color:var(--danger);background:var(--danger-soft);
}
.auth-copy{margin:22px 0 0;color:var(--muted);text-align:center;font-size:13px}
.auth-copy a,.link-button{color:var(--accent);font-weight:850;text-decoration:none}
.auth-copy a:hover,.link-button:hover{text-decoration:underline}
.admin-entry{margin:12px 0 0;text-align:center;font-size:11px}
.admin-entry a{color:var(--muted);font-weight:700;text-decoration:none}
.admin-entry a:hover{color:var(--accent);text-decoration:underline}
.privacy-note{display:flex;align-items:flex-start;gap:8px;margin:20px 0 0;color:var(--muted);font-size:11px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.code-input{text-align:center;font-size:28px;font-weight:850;letter-spacing:.28em;font-variant-numeric:tabular-nums}
.link-button{border:0;padding:5px;background:transparent;cursor:pointer}
.landing-card{max-width:780px;padding:clamp(28px,6vw,62px);text-align:center}
.landing-card .brand{margin:auto}
.landing-card h1{margin:30px auto 16px;max-width:680px;font-size:clamp(42px,8vw,78px);line-height:1;letter-spacing:-.055em}
.landing-card p{max-width:600px;margin:0 auto;color:var(--ink-2);font-size:clamp(16px,2vw,20px)}
.landing-card .actions{justify-content:center;margin-top:34px}
@media (max-width:860px){
  .page{align-items:start;padding-top:22px}
  .auth-shell{grid-template-columns:1fr;gap:24px;width:min(560px,100%)}
  .intro{padding:0}.eyebrow{margin:28px 0 13px}.intro h1{font-size:clamp(34px,9vw,52px)}
  .intro-copy{margin-top:15px}.feature-list{display:none}.form-card{margin-bottom:20px}
  .market-chart{height:48vh;bottom:10vh}
}
@media (max-width:480px){
  .page{padding-left:14px;padding-right:14px}.brand-mark{width:42px;height:42px}
  .signup-intro .eyebrow,.login-intro .eyebrow{margin-left:0;margin-top:36px}
  .intro h1{letter-spacing:-.045em}.form-card{padding:23px 18px;border-radius:20px}
  .label-row{align-items:flex-start;flex-direction:column;gap:2px}.actions .button{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .market-chart{transform:none!important}
}