:root {
  color-scheme: light;
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --panel: #ffffff;
  --bg: #f5f5f4;
  --side: #1c1917;
  --side-ink: #fafaf9;
  --accent: #b45309;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.45 "Iowan Old Style", Palatino, Georgia, serif;
  color: var(--ink);
  background: var(--bg);
}

.brand {
  margin: 0 0 1rem;
  font: 600 0.8rem/1.2 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shell { display: flex; min-height: 100vh; }

aside {
  width: 15rem;
  flex: none;
  padding: 1.25rem 1rem;
  background: var(--side);
  color: var(--side-ink);
}

aside .brand { color: #d6d3d1; }

nav { display: flex; flex-direction: column; gap: 0.15rem; }

nav a {
  color: #e7e5e4;
  text-decoration: none;
  font: 0.95rem/1.3 ui-sans-serif, system-ui, sans-serif;
  padding: 0.35rem 0.5rem;
  border-radius: 0.35rem;
}

nav a[aria-current="page"] { background: #44403c; color: white; }

.main { flex: 1; padding: 1.25rem 1.5rem 2rem; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

h1 { margin: 0; font-size: 1.6rem; font-weight: 600; }

header form {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font: 0.9rem/1.2 ui-sans-serif, system-ui, sans-serif;
  color: var(--muted);
}

button {
  font: 600 0.9rem/1 ui-sans-serif, system-ui, sans-serif;
  background: var(--ink);
  color: white;
  border: 0;
  border-radius: 0.4rem;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 0.75rem;
}

article, section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 1rem 1.1rem;
}

article h2 {
  margin: 0 0 0.4rem;
  font: 600 0.8rem/1.2 ui-sans-serif, system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

article p, section p { margin: 0.35rem 0; }

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(24rem, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.login-card h1 { margin: 0 0 0.35rem; }

.muted { color: var(--muted); margin-top: 0; }

.error { color: #9f1239; }

form label {
  display: block;
  margin: 0.8rem 0;
  font: 0.85rem/1.2 ui-sans-serif, system-ui, sans-serif;
}

input[type="text"], input[name="username"], input[type="password"] {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  font: 1rem/1.3 ui-sans-serif, system-ui, sans-serif;
}

.login-card button { width: 100%; margin-top: 0.4rem; }

.banner {
  margin: 0 0 1rem;
  padding: 0.6rem 0.8rem;
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: 0.4rem;
  font: 0.95rem/1.35 ui-sans-serif, system-ui, sans-serif;
}

table { width: 100%; border-collapse: collapse; margin-top: 1rem; font: 0.9rem/1.3 ui-sans-serif, system-ui, sans-serif; }
th, td { text-align: left; padding: 0.35rem 0.45rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
section form { display: flex; gap: 0.5rem; align-items: end; margin-top: 0.8rem; }
section form label { margin: 0; flex: 1; }