:root {
  --passvella-orange: #f28320;
  --passvella-orange-hover: #ef7814;
  --passvella-orange-ink: #9a4505;
  --passvella-gray: #29394b;
  --passvella-muted: #626d78;
  --passvella-line: #d8dfe6;
  --passvella-surface: #f3f4f6;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--passvella-gray);
  background: var(--passvella-surface);
  line-height: 1.6;
}
* { box-sizing: border-box; }
body { margin: 0; padding: 2rem 1rem; }
main {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  padding: clamp(1.25rem, 5vw, 3rem);
  border: 1px solid var(--passvella-line);
  border-top: 5px solid var(--passvella-orange);
  border-radius: 16px;
  box-shadow: 0 4px 24px #29394b10;
}
.brand {
  font-weight: 750;
  font-size: 1.4rem;
  text-decoration: none;
  color: var(--passvella-gray);
  border-bottom: 3px solid var(--passvella-orange);
}
h1 { font-size: 2rem; line-height: 1.2; }
h2 { font-size: 1.2rem; }
a { color: var(--passvella-orange-ink); }
a:hover { text-decoration-thickness: 2px; }
label { display: block; font-weight: 600; margin-bottom: .4rem; }
input {
  padding: .75rem;
  border: 1px solid #a9b3be;
  border-radius: 6px;
  color: var(--passvella-gray);
  background: #fff;
  font: inherit;
  width: 100%;
  min-width: 0;
}
button, .button {
  display: inline-block;
  background: var(--passvella-orange);
  color: #fff;
  border: 1px solid var(--passvella-orange-ink);
  padding: .7rem 1rem;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 1rem;
}
button:hover, .button:hover { background: var(--passvella-orange-hover); border-color: #783600; color: #fff; }
button:disabled { opacity: .5; cursor: not-allowed; }
.secondary { background: #fff; color: var(--passvella-gray); border-color: #a9b3be; }
.secondary:hover { background: #fff4e8; color: var(--passvella-gray); border-color: var(--passvella-orange); }
.key-row { display: flex; gap: .5rem; align-items: stretch; }
.key-row button { margin: 0; white-space: nowrap; }
.key-row input { font-family: monospace; background: #f7f8fa; }
section { padding: 1.2rem 0; border-top: 1px solid var(--passvella-line); margin-top: 1.2rem; }
.notice { padding: 1rem; background: #fff4e8; border-left: 4px solid var(--passvella-orange); }
.muted { font-size: .85rem; color: var(--passvella-muted); margin-top: 2rem; }
li { margin: .5rem 0; }
:focus-visible { outline: 3px solid var(--passvella-orange-ink); outline-offset: 3px; }
@media (max-width: 580px) { .key-row { flex-direction: column; } .key-row button { align-self: flex-start; } }

.passvella-brand { display: inline-block; max-width: 100%; margin-bottom: .75rem; }
.passvella-brand img { display: block; width: 232px; max-width: 100%; height: auto; }