:root{
  --bg:#07111e;
  --bg2:#0d1b2d;
  --panel:#132335;
  --panel2:#0f1d2d;
  --field:#1b2d42;
  --field2:#18283b;
  --line:#314257;
  --line2:#40536b;
  --text:#f4f7fb;
  --muted:#b7c1d0;
  --blue:#2f7df6;
  --red:#ff4c46;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(0,180,255,.18), transparent 24rem),
    linear-gradient(180deg,var(--bg),#040a12 95%);
  min-height:100vh;
  font-size:18px;
}
.page{max-width:1500px;margin:0 auto;padding:18px 36px 48px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}
.brand{display:flex;align-items:center;gap:24px}
.logo{height:62px;width:auto;object-fit:contain}
.divider{height:42px;width:1px;background:var(--line2)}
.tagline{color:var(--muted);font-size:18px}
.nav{display:flex;gap:12px}
.nav-pill{
  color:var(--text);text-decoration:none;border:1px solid var(--line);border-radius:14px;padding:12px 18px;
  background:rgba(255,255,255,.03)
}
.nav-pill.active{background:#1a2e46;border-color:#426187}
.badges{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.badges span{border:1px solid var(--line);border-radius:13px;padding:10px 15px;background:rgba(255,255,255,.03);color:#d9e2ef}
h1{font-size:58px;line-height:1;margin:0 0 10px;font-weight:850;letter-spacing:-.04em}
.title-row p{font-size:22px;margin:0;color:var(--muted)}
.panel{
  margin-top:30px;
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);
  border-radius:18px;
  padding:32px;
  box-shadow:0 26px 80px rgba(0,0,0,.28);
}
.form-panel{max-width:1200px}
.panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:26px}
h2{font-size:38px;line-height:1.1;margin:0 0 8px;font-weight:820;letter-spacing:-.03em}
h3{font-size:22px;margin:0 0 8px;font-weight:800}
.panel p,.muted{color:var(--muted);margin:0;font-size:17px}
.small{font-size:14px}
label{display:block;font-weight:720;margin:16px 0 6px}
.field{
  width:100%;border:1px solid var(--line2);border-radius:10px;background:linear-gradient(180deg,var(--field),var(--field2));
  color:var(--text);padding:13px 15px;font:inherit;outline:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04),0 0 0 1px rgba(0,0,0,.08);
}
.field:focus{border-color:#69a4ff;box-shadow:0 0 0 4px rgba(47,125,246,.20)}
.textarea{min-height:132px;resize:vertical}
.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.format-note-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:34px;margin-top:22px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}
.format-card{
  display:flex;align-items:center;gap:16px;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:14px 0;
  background:rgba(0,0,0,.13);font-weight:500
}
.format-card.selected{border-color:#58a0ff;background:rgba(47,125,246,.13)}
.format-card input{width:22px;height:22px}
.format-card strong{display:block;font-size:18px}
.format-card small{display:block;color:var(--muted);font-size:15px;margin-top:3px}
.checkrow{display:flex;align-items:center;gap:12px;font-weight:650;color:#e9eff8}
.checkrow input{width:22px;height:22px;accent-color:var(--blue)}
.tracking-head{display:flex;align-items:center;justify-content:space-between;margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08)}
.tracking-row{
  display:grid;grid-template-columns:240px 1fr auto;gap:22px;align-items:end;margin-top:10px;
  padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.12)
}
button,.linkbutton{border:none;cursor:pointer;font:inherit;font-weight:800}
.primary,.secondary,.danger,.linkbutton{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:11px;padding:14px 20px;text-decoration:none
}
.primary{background:linear-gradient(180deg,#3a8bff,#145cdf);color:white;box-shadow:0 14px 28px rgba(20,92,223,.22)}
.secondary{background:rgba(255,255,255,.04);border:1px solid var(--line2);color:#e9eff8}
.danger{background:rgba(255,76,70,.06);border:1px solid var(--red);color:#ff6964}
.bottom-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}
.error{border:1px solid #ff6b6b;background:rgba(255,76,70,.12);color:#ffdada;border-radius:12px;padding:12px 14px;margin:12px 0}
.preview-meta{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:rgba(0,0,0,.14);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:20px}
.email-preview{
  white-space:pre-wrap;background:#0a1320;border:1px solid var(--line2);border-radius:14px;padding:22px;color:#f7fbff;
  font-size:18px;line-height:1.65
}
.send{background:linear-gradient(180deg,#ff5c55,#c92520)}
.sent-panel{text-align:center;max-width:720px}
.checkmark{margin:0 auto 18px;width:72px;height:72px;display:grid;place-items:center;border-radius:50%;background:rgba(48,209,88,.12);color:#57f288;font-size:42px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,var(--bg),#040a12)}
.login-card{width:min(460px,100%);background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:20px;padding:32px}
.login-logo{height:64px;margin-bottom:22px}
.wide{width:100%;margin-top:16px}
@media(max-width:900px){
  .page{padding:18px}
  .topbar,.panel-header{flex-direction:column;align-items:flex-start}
  .grid.two,.format-note-grid,.preview-meta{grid-template-columns:1fr}
  .tracking-row{grid-template-columns:1fr}
  h1{font-size:44px}
  h2{font-size:30px}
}