/* CAMS shell landing. External sheet (not inline) to satisfy the strict nginx
   CSP: default-src 'self'. Theme-aware, minimal. */
:root { color-scheme: light dark; }
* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f6f7f9;
  color: #1b1f24;
}

.card {
  width: 100%;
  max-width: 30rem;
  padding: 2.5rem 2rem;
  text-align: center;
  background: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 14px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 8px 24px rgba(0, 0, 0, .06);
}

.eyebrow {
  margin: 0 0 .5rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: #6b7280;
}

h1 { margin: 0 0 .5rem; font-size: 1.6rem; }
.tagline { margin: 0 0 1.5rem; color: #4b5563; line-height: 1.5; }
.foot { margin: 0; font-size: .78rem; color: #9aa3af; }

.zone-internal .eyebrow { color: #1d4ed8; }
.zone-portal   .eyebrow { color: #0f766e; }

.form { display: grid; gap: 1rem; text-align: left; margin: 1.25rem 0 0.5rem; }
.form label { display: grid; gap: .35rem; font-size: .85rem; color: #4b5563; }
.form input {
  padding: .6rem .7rem; font-size: 1rem; border: 1px solid #cbd2da;
  border-radius: 8px; background: #fff; color: #1b1f24;
}
.form input:focus { outline: 2px solid #1d4ed8; outline-offset: 1px; border-color: #1d4ed8; }
.form button {
  margin-top: .25rem; padding: .65rem 1rem; font-size: 1rem; font-weight: 600;
  color: #fff; background: #1d4ed8; border: 0; border-radius: 8px; cursor: pointer;
}
.form button:hover { background: #1743b8; }
.error {
  margin: 0 0 .5rem; padding: .6rem .7rem; border-radius: 8px;
  background: #fdecec; color: #a12020; font-size: .9rem;
}
.qr { display: block; margin: 1rem auto; width: 200px; height: 200px; background: #fff; border-radius: 8px; }
.codes { list-style: none; padding: 0; margin: 1rem 0; display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.codes code { font-size: 1rem; letter-spacing: .05em; }
.button-link, .form button.secondary {
  display: inline-block; margin-top: .5rem; padding: .6rem 1rem; border-radius: 8px;
  font-weight: 600; text-decoration: none; cursor: pointer;
}
.button-link { color: #fff; background: #1d4ed8; }
.form button.secondary { background: transparent; color: #6b7280; border: 1px solid #cbd2da; }

@media (prefers-color-scheme: dark) {
  body { background: #0e1116; color: #e6e9ee; }
  .card {
    background: #161b22;
    border-color: #262c36;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .5);
  }
  .tagline { color: #aeb6c2; }
  .foot { color: #6b7480; }
  .zone-internal .eyebrow { color: #6ea8fe; }
  .zone-portal   .eyebrow { color: #4fd1c5; }
  .form label { color: #aeb6c2; }
  .form input { background: #0e1116; border-color: #313947; color: #e6e9ee; }
  .error { background: #3a1d1d; color: #f7b4b4; }
}