:root { --bg: #f6f5f2; --panel: #fff; --text: #1c1b19; --muted: #6f6b63; --border: #e2dfd8; --accent: #c2410c; --err: #b91c1c; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #141412; --panel: #1d1c1a; --text: #ece9e2; --muted: #9c978c; --border: #33312d; --accent: #fb923c; --err: #f87171; }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 16px;
  background: var(--bg); color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
.login {
  width: min(360px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: 18px;
  padding: 28px 24px; display: flex; flex-direction: column; gap: 14px; text-align: center;
}
.login img { margin: 0 auto; border-radius: 12px; }
h1 { margin: 0 0 4px; font-size: 22px; }
label { display: flex; flex-direction: column; gap: 6px; text-align: left; font-size: 13px; color: var(--muted); }
input {
  font: inherit; font-size: 16px; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; outline: none;
}
input:focus { border-color: var(--accent); }
button {
  font: inherit; font-weight: 600; border: 0; border-radius: 10px; padding: 12px; margin-top: 4px;
  background: var(--accent); color: #fff; cursor: pointer;
}
.error { color: var(--err); margin: 0; font-size: 14px; }