:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d1117;
  color: #f3f6fb;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 12% 8%, rgba(70, 120, 255, .2), transparent 34rem),
    #0d1117;
}

.login-card {
  width: min(100%, 430px);
  padding: 38px;
  border: 1px solid #2b3442;
  border-radius: 22px;
  background: #151b23;
  box-shadow: 0 25px 70px rgba(0, 0, 0, .38);
}

.eyebrow {
  margin: 0 0 10px;
  color: #7da5ff;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(1.75rem, 6vw, 2.35rem); line-height: 1.08; }
.intro, .privacy { color: #aeb8c7; line-height: 1.55; }
.intro { margin: 14px 0 28px; }
.privacy { margin: 24px 0 0; font-size: .82rem; }

form { display: grid; gap: 10px; }
label { font-size: .9rem; font-weight: 700; }
input, button { min-height: 48px; border-radius: 11px; font: inherit; }
input {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid #3a4658;
  background: #0f141b;
  color: #fff;
}
input:focus { outline: 3px solid rgba(90, 139, 255, .28); border-color: #7da5ff; }
button {
  margin-top: 8px;
  border: 0;
  background: #5c8cff;
  color: #07101f;
  font-weight: 850;
  cursor: pointer;
}
button:hover { background: #7da5ff; }
.error { display: none; margin: 14px 0 0; color: #ff9a9a; }
body:has(form[action="/login"]) .error { display: none; }
@supports selector(body:has(*)) {
  body:has(form) .error { display: none; }
}