:root{
  --radius: 18px;
  --shadow-sm: 0 6px 20px rgba(0,0,0,.08);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}
body{margin:0;background:var(--background);color:var(--on-background);}
a{color:var(--primary);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:22px;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 16px;border-radius:var(--radius);
  background:var(--surface);border:1px solid color-mix(in srgb, var(--outline), transparent 55%);
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:42px;height:42px;border-radius:14px;background:var(--primary);box-shadow:var(--shadow-sm);}
h1{font-size:18px;margin:0}
small{opacity:.8}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 12px;border-radius:14px;
  border:1px solid color-mix(in srgb, var(--outline), transparent 55%);
  background:var(--surface);color:var(--on-surface);font-weight:800;cursor:pointer;
}
.btn.primary{background:var(--primary);color:var(--on-primary);border:none}
.btn.ghost{background:transparent}
.card{
  padding:16px;border-radius:var(--radius);
  background:var(--surface);border:1px solid color-mix(in srgb, var(--outline), transparent 55%);
  box-shadow:var(--shadow-sm);
}
.grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin-top:18px;}
@media (max-width: 900px){.grid{grid-template-columns:1fr}}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;background:var(--surface-variant);color:var(--on-surface-variant);font-weight:900;font-size:12px}
.input, select, textarea{
  width:100%;box-sizing:border-box;
  padding:12px 12px;border-radius:14px;border:1px solid color-mix(in srgb, var(--outline), transparent 55%);
  background:var(--surface);color:var(--on-surface);
}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
hr{border:none;border-top:1px solid color-mix(in srgb, var(--outline), transparent 70%);margin:14px 0}
.sample{
  border-radius:18px;padding:16px;background:var(--surface-variant);color:var(--on-surface-variant);
  border:1px solid color-mix(in srgb, var(--outline), transparent 65%);
}
.sample .cta{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}
.pill{
  padding:10px 12px;border-radius:999px;background:var(--primary);color:var(--on-primary);font-weight:900;border:none;
}
.pill.alt{background:var(--secondary);color:var(--on-secondary)}
.pill.ter{background:var(--tertiary);color:var(--on-tertiary)}
/* Theme dropdown */
.themePicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--outline), transparent 55%);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.themePicker .icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--surface-variant), transparent 20%);
  color: var(--on-surface-variant);
  font-weight: 900;
}
.themePicker .label {
  font-weight: 900;
  font-size: 12px;
  color: var(--on-surface);
  letter-spacing: .04em;
}
.themePicker select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  padding: 10px 36px 10px 12px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--outline), transparent 55%);
  background: var(--surface);
  color: var(--on-surface);
  font-weight: 900;
  font-size: 12px;
  line-height: 1;
  position: relative;
}
.themePicker .chev {
  margin-left: -30px;
  pointer-events: none;
  color: var(--on-surface-variant);
  font-weight: 900;
  user-select: none;
}