/* style.css — OpenYield web UI minimal styling (lexicon-clean).
   No banned terms in comments or class names (REQ-012/REQ-045). */

:root {
  --bg: #0d1117;
  --panel: #161b22;
  --ink: #c9d1d9;
  --muted: #8b949e;
  --accent: #58a6ff;
  --line: #30363d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.nav {
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: center;
  background: var(--panel);
}
header.nav .brand { font-weight: 600; color: var(--ink); }
header.nav a { color: var(--muted); }
header.nav a:hover { color: var(--accent); }

main { max-width: 960px; margin: 2rem auto; padding: 0 1.5rem; }

footer {
  border-top: 1px solid var(--line);
  padding: 1rem 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }

form .field { margin-bottom: 1rem; }
form label { display: block; margin-bottom: 0.25rem; color: var(--muted); font-size: 0.9rem; }
form input[type=text], form input[type=password] {
  width: 100%; max-width: 32rem;
  padding: 0.5rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  font-family: monospace;
}
button, .btn {
  background: var(--accent); color: #0d1117; border: none;
  padding: 0.5rem 1rem; border-radius: 4px; font-weight: 600; cursor: pointer;
}
button:hover, .btn:hover { opacity: 0.9; text-decoration: none; }

.error { color: #f85149; }
.muted { color: var(--muted); }