/* static/css/onboarding.css — shared dark design system:
   signup → onboarding (3 steps) → verify-pending. Cyan = platform brand (#00E5FF). */
:root{
  --ob-bg:#07070d; --ob-card:rgba(18,18,30,.72); --ob-border:rgba(255,255,255,.09);
  --ob-text:#f4f4f8; --ob-muted:#9a9ab0; --ob-cyan:#00E5FF;
  --ob-cyan-dim:rgba(0,229,255,.14); --ob-danger:#ef4444; --ob-ok:#34d399;
  --ob-radius:20px; --ob-font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:24px;background:var(--ob-bg);color:var(--ob-text);
  padding-top:calc(24px + env(safe-area-inset-top,0px));
  font-family:var(--ob-font);-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{ /* ambient glow — matches login main::before */
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 18% 8%,rgba(0,229,255,.09),transparent 62%),
    radial-gradient(720px 520px at 86% 92%,rgba(124,77,255,.08),transparent 62%);
}
main{
  width:100%;
  max-width:none;
  margin:0;
  padding:0;
}
@keyframes ob-card-in{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.ob-card{
  position:relative;z-index:1;width:100%;max-width:440px;margin:0 auto;padding:40px 36px;
  border-radius:var(--ob-radius);border:1px solid var(--ob-border);
  background:var(--ob-card);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 24px 70px rgba(0,0,0,.55),0 0 90px rgba(0,229,255,.06),inset 0 1px 0 rgba(255,255,255,.05);
  animation:ob-card-in .55s cubic-bezier(.22,1,.36,1) both;
}
.ob-card--narrow{max-width:400px;text-align:center}
.ob-dots{display:flex;justify-content:center;gap:8px;margin-bottom:28px}
.ob-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.16);transition:background .3s,box-shadow .3s,transform .3s}
.ob-dot.on{background:var(--ob-cyan);box-shadow:0 0 10px rgba(0,229,255,.7);transform:scale(1.15)}
.ob-title{margin:0 0 6px;font-size:24px;font-weight:800;letter-spacing:-.01em;text-align:center}
.ob-sub{margin:0 0 26px;font-size:14px;color:var(--ob-muted);text-align:center;line-height:1.55}
.ob-field{margin-bottom:16px}
.ob-field label{display:block;margin-bottom:6px;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ob-muted)}
.ob-field input{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--ob-border);
  background:rgba(255,255,255,.04);color:var(--ob-text);font:inherit;font-size:15px;outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.ob-field input::placeholder{color:rgba(255,255,255,.28)}
.ob-field input:focus{border-color:rgba(0,229,255,.65);background:rgba(0,229,255,.05);
  box-shadow:0 0 0 3px rgba(0,229,255,.15),0 0 22px rgba(0,229,255,.12)}
.ob-hint{display:block;min-height:16px;margin-top:6px;font-size:12px;color:var(--ob-danger)}
.pw-meter{height:4px;margin-top:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.pw-meter-fill{display:block;height:100%;width:0;border-radius:999px;background:var(--ob-danger);
  transition:width .35s cubic-bezier(.22,1,.36,1),background .35s}
.pw-label{min-height:16px;margin-top:5px;font-size:12px;font-weight:600}
.ob-btn{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  padding:13px 22px;border-radius:12px;border:0;font:inherit;font-size:15px;font-weight:700;
  cursor:pointer;text-decoration:none;
  transition:transform .15s cubic-bezier(.34,1.56,.64,1),box-shadow .25s,filter .25s,background .25s,border-color .25s;
}
.ob-btn:active{transform:scale(.96)}
.ob-btn-primary{color:#04141a;background:linear-gradient(90deg,var(--ob-cyan),#00b8d4);box-shadow:0 6px 24px rgba(0,229,255,.28)}
.ob-btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 10px 32px rgba(0,229,255,.42)}
.ob-btn-ghost{color:var(--ob-muted);background:transparent;border:1px solid var(--ob-border)}
.ob-btn-ghost:hover{color:var(--ob-text);border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.04)}
.ob-actions{margin-top:14px}
.ob-link{background:none;border:0;padding:0;color:var(--ob-muted);font:inherit;font-size:13px;cursor:pointer;text-decoration:none}
.ob-link:hover{color:var(--ob-cyan)}
.ob-error{margin:0 0 16px;padding:11px 14px;border-radius:10px;font-size:13px;
  background:rgba(239,68,68,.10);border:1px solid rgba(239,68,68,.35);color:#fca5a5}
.ob-note--ok{color:var(--ob-ok);font-size:13px;margin:4px 0 0}
@keyframes ob-ring-pulse{0%,100%{box-shadow:0 0 0 0 rgba(0,229,255,.35),0 0 30px rgba(0,229,255,.15)}
  50%{box-shadow:0 0 0 10px rgba(0,229,255,0),0 0 44px rgba(0,229,255,.3)}}
.ob-avatar-ring{
  width:132px;height:132px;margin:0 auto 22px;border-radius:50%;overflow:hidden;
  border:2px solid rgba(0,229,255,.45);background:rgba(255,255,255,.05);
  animation:ob-ring-pulse 3s ease-in-out infinite;
}
.ob-avatar-ring img{width:100%;height:100%;object-fit:cover;display:block}
.ob-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:8px}
.ob-tag{position:relative;cursor:pointer}
.ob-tag input{position:absolute;opacity:0;pointer-events:none}
.ob-tag span{
  display:inline-block;padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
  border:1px solid var(--ob-border);background:rgba(255,255,255,.04);color:var(--ob-muted);
  transition:transform .2s cubic-bezier(.34,1.56,.64,1),border-color .25s,background .25s,color .25s,box-shadow .25s;
}
.ob-tag:hover span{transform:translateY(-2px);border-color:rgba(0,229,255,.4);color:var(--ob-text)}
.ob-tag.on span{border-color:var(--ob-cyan);background:var(--ob-cyan-dim);color:var(--ob-cyan);
  box-shadow:0 0 16px rgba(0,229,255,.22)}
.ob-tag.on span::before{content:"✓ ";font-weight:800}
.ob-pref{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.06)}
.ob-pref:last-of-type{border-bottom:0}
.ob-pref-text strong{display:block;font-size:14px}
.ob-pref-text small{display:block;margin-top:2px;font-size:12px;color:var(--ob-muted)}
.ob-switch{position:relative;flex-shrink:0;display:inline-block;width:46px;height:26px;cursor:pointer}
.ob-switch input{position:absolute;opacity:0;pointer-events:none}
.ob-switch-track{position:absolute;inset:0;border-radius:999px;background:rgba(255,255,255,.12);
  transition:background .25s,box-shadow .25s}
.ob-switch-track::after{
  content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;
  background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.4);
  transition:transform .28s cubic-bezier(.34,1.56,.64,1),background .25s;
}
.ob-switch input:checked + .ob-switch-track{background:var(--ob-cyan);box-shadow:0 0 14px rgba(0,229,255,.45)}
.ob-switch input:checked + .ob-switch-track::after{transform:translateX(20px);background:#04222a}
.ob-switch:active .ob-switch-track::after{width:24px} /* haptic-like squash */
@keyframes ob-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.ob-envelope{
  width:76px;height:76px;margin:0 auto 20px;border-radius:22px;display:flex;align-items:center;justify-content:center;
  color:var(--ob-cyan);background:var(--ob-cyan-dim);border:1px solid rgba(0,229,255,.35);
  box-shadow:0 0 30px rgba(0,229,255,.18);animation:ob-float 3.2s ease-in-out infinite;
}
.ob-envelope svg{width:36px;height:36px}
.ob-email-chip{
  display:inline-block;max-width:100%;margin:2px 0 18px;padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:700;color:var(--ob-cyan);
  background:var(--ob-cyan-dim);border:1px solid rgba(0,229,255,.35);
  overflow-wrap:anywhere;white-space:normal;
}
.ob-hint-block{font-size:13px;line-height:1.6;color:var(--ob-muted);margin:0 0 6px}
.ob-spam-note{
  display:flex;gap:12px;align-items:flex-start;text-align:left;
  margin:18px 0 4px;padding:13px 15px;border-radius:14px;
  background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.25);
}
.ob-spam-note svg{width:20px;height:20px;flex-shrink:0;margin-top:2px;color:#fbbf24}
.ob-spam-note p{margin:0;font-size:13px;line-height:1.55;color:var(--ob-muted)}
.ob-spam-note strong{display:block;margin-bottom:2px;color:#fcd34d;font-weight:700}
@media (prefers-reduced-motion:reduce){
  .ob-card,.ob-avatar-ring,.ob-envelope{animation:none}
  .ob-btn,.ob-tag span,.ob-switch-track,.ob-switch-track::after{transition:none}
}
@media (max-width:480px){
  body{padding:16px;padding-top:calc(16px + env(safe-area-inset-top,0px))}
  .ob-card{width:100%;max-width:100%;padding:28px 20px;border-radius:16px}
  .ob-title{font-size:22px}
  .ob-sub{margin-bottom:22px}
}


/* ── Referral attribution banner + optional code field (signup) ── */
.ref-banner{display:flex;align-items:center;gap:10px;background:rgba(0,240,214,.08);
  border:1px solid rgba(0,240,214,.3);border-radius:12px;padding:10px 14px;margin-bottom:18px;
  color:#eafffb;font-size:13.5px;line-height:1.45}
.ref-banner-ico{font-size:18px}
.ref-banner .ref-code{color:#00f0d6;letter-spacing:.04em}