:root {
  --bg: #151b24; --panel: #1c2430; --ink: #e4e9f0; --ink-2: #aab5c4;
  --line: #2e3a4b; --focus: #5aa9d6; --danger: #e07070;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100dvh; display: grid; place-items: center;
  background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: env(safe-area-inset-top) 16px env(safe-area-inset-bottom);
}
form { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
h1 { font-size: 22px; margin: 0 0 6px; }
p { color: var(--ink-2); margin: 0 0 18px; }
label { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-2); margin-bottom: 6px; }
input {
  width: 100%; min-height: 48px; margin-bottom: 16px; padding: 10px 12px;
  background: #111720; color: var(--ink); border: 1px solid var(--line); border-radius: 10px;
}
button { width: 100%; min-height: 48px; border: 0; border-radius: 10px; background: #5aa9d6; color: #08131c; font-weight: 700; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
#err { color: var(--danger); min-height: 22px; margin: 12px 0 0; }