:root {
  --bg: #fafafa;
  --bg-2: #ffffff;
  --fg: #111317;
  --fg-2: #5d6470;
  --line: #e6e8ec;
  --line-2: #d6dae0;
  --accent: #2255cc;
  --bad: #c42a2a;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
  --radius: 6px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Charter', 'Iowan Old Style', 'Palatino', Georgia, serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  min-height: 100vh;
}

.muted { color: var(--fg-2); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.alert {
  background: #fbe6e6;
  color: var(--bad);
  border: 1px solid #ecbcbc;
  padding: 10px 12px;
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg); padding: 16px;
}
.login-card {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px;
  width: 360px; max-width: 90vw;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 8px;
}
.login-card h1 { margin: 0 0 4px 0; font-size: 28px; letter-spacing: 0.02em;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.login-card label { display: block; font-size: 12px; color: var(--fg-2); margin: 12px 0 4px; }
.login-card input[type=password] {
  width: 100%; padding: 8px 10px;
  border: 1px solid var(--line-2); border-radius: 4px; font: inherit; background: var(--bg);
}
.login-card button {
  margin-top: 16px; width: 100%;
  padding: 10px; cursor: pointer;
  background: var(--fg); color: var(--bg-2); border: 0; border-radius: var(--radius);
  font: inherit; font-weight: 600;
  min-height: 44px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e10;
    --bg-2: #16171a;
    --fg: #e6e6e6;
    --fg-2: #b0b4bd;
    --line: #2a2c30;
    --line-2: #3a3c42;
    --accent: #9ecbff;
  }
  .alert { background: #2a1212; border-color: #4a1f1f; color: #f0c0c0; }
}