:root{
  --purple:#6A0DAD;
  --purple-dark:#4B078F;
  --purple-light:#F5EFFB;
  --gold:#D4AF37;
  --text:#1C1C1C;
  --muted:#6B7280;
  --bg:#F8F5FB;
  --card:rgba(255,255,255,0.84);
  --border:rgba(106,13,173,0.16);
  --shadow:0 20px 60px rgba(31,41,55,0.10);
  --shadow-soft:0 10px 28px rgba(31,41,55,0.07);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(106,13,173,0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(212,175,55,0.08), transparent 20%),
    linear-gradient(180deg, #f7f2fb 0%, #ffffff 100%);
}
a{color:var(--purple);text-decoration:none}
a:hover{color:var(--purple-dark)}
.site-shell{min-height:100vh;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 28px;position:sticky;top:0;z-index:10;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.62);
  border-bottom:1px solid rgba(106,13,173,0.08);
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--purple-dark);letter-spacing:-0.02em}
.brand-mark{
  width:40px;height:40px;border-radius:14px;
  background:linear-gradient(135deg,var(--purple),#8A2BE2);
  box-shadow:0 12px 28px rgba(106,13,173,0.22);
}
.brand small{display:block;font-size:12px;color:var(--muted);font-weight:600;letter-spacing:0}
.brand span{display:block;font-size:18px}
.container{width:min(1180px, calc(100% - 32px)); margin:0 auto}
.card{
  background:var(--card); backdrop-filter: blur(10px);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:0 22px;border-radius:18px;border:none;cursor:pointer;
  font-weight:800;font-size:16px;transition:all .22s ease
}
.btn-primary{
  background:linear-gradient(135deg,var(--purple),#8A2BE2);
  color:#fff;box-shadow:0 18px 40px rgba(106,13,173,0.26);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.02)}
.btn-secondary{
  background:#fff;color:var(--purple-dark);border:1px solid var(--border)
}
.btn-secondary:hover{background:var(--purple-light)}
.input, input, select, textarea{
  width:100%;min-height:52px;padding:14px 16px;border-radius:18px;
  border:1px solid var(--border);background:#fff;color:var(--text);
  outline:none;transition:all .22s ease;box-shadow:none
}
.input:focus, input:focus, select:focus, textarea:focus{
  border-color:rgba(106,13,173,0.42);
  box-shadow:0 0 0 4px rgba(106,13,173,0.10)
}
.label{display:block;font-size:14px;font-weight:800;margin:0 0 8px}
.muted{color:var(--muted)}
.footer{
  margin-top:auto;padding:22px 0 34px;color:var(--muted);font-size:14px
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap
}
.corner-brand{
  position:fixed;right:18px;bottom:18px;z-index:50;
  background:rgba(255,255,255,0.86);border:1px solid var(--border);border-radius:16px;
  padding:10px 12px;box-shadow:var(--shadow-soft);backdrop-filter: blur(10px);
  color:var(--purple-dark);font-weight:800;font-size:13px
}
@media (max-width: 860px){
  .topbar{padding:16px 18px}
  .container{width:min(1180px, calc(100% - 20px))}
  .brand span{font-size:16px}
}