:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #fafafa;
  --border: #ddd;
  --accent: #2b5fb8;
  --error: #b3261e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #eee;
    --bg: #1c1c1c;
    --border: #3a3a3a;
    --accent: #7aa7ff;
  }
}

body {
  margin: 0;
  padding: 2rem;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-box {
  max-width: 320px;
  margin: 4rem auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-box form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 1.25rem;
  margin: 0;
}

input, button {
  font-size: 1rem;
  padding: 0.5rem;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.error {
  color: var(--error);
}

.hint {
  color: #888;
  font-size: 0.85rem;
  margin-top: 1.5rem;
}

.logout {
  color: var(--accent);
}