:root { color-scheme: light dark; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; display: grid; place-items: center; padding: 20px; background: #f3f4f6; color: #111827; }
.card { width: min(100%, 560px); padding: clamp(24px, 6vw, 48px); background: #fff; border: 1px solid #e5e7eb; border-radius: 16px; box-shadow: 0 8px 30px #0000000d; }
header { display: flex; align-items: center; justify-content: space-between; }
.eyebrow { margin: 0; color: #6b7280; font-size: .75rem; font-weight: 700; letter-spacing: .15em; }
h1 { margin: 12px 0 8px; font-size: clamp(2rem, 10vw, 3.5rem); line-height: 1; }
h2 { font-size: 1rem; }
section { margin-top: 32px; padding-top: 20px; border-top: 1px solid #e5e7eb; }
.status { display: inline-block; width: .7em; height: .7em; border-radius: 50%; background: #16a34a; }
.logout { color: inherit; }
form { display: grid; gap: 18px; margin-top: 28px; }
label { display: grid; gap: 7px; font-size: .9rem; font-weight: 600; }
input, button { width: 100%; min-height: 48px; border-radius: 10px; font: inherit; }
input { padding: 10px 12px; border: 1px solid #9ca3af; background: transparent; color: inherit; }
button { border: 0; background: #111827; color: white; font-weight: 700; cursor: pointer; }
.error { color: #b91c1c; }
@media (prefers-color-scheme: dark) {
  body { background: #09090b; color: #f4f4f5; }
  .card { background: #18181b; border-color: #27272a; }
  section { border-color: #3f3f46; }
  button { background: #f4f4f5; color: #18181b; }
}