:root { --fg: #1a1a1a; --muted: #666; --bg: #fafafa; --accent: #0d57c2; --bad: #b00020; }
* { box-sizing: border-box; }
body { font-family: system-ui, sans-serif; max-width: 960px; margin: 0 auto; padding: 1rem; color: var(--fg); background: var(--bg); }
header nav { display: flex; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid #ddd; align-items: center; }
header nav a { color: var(--accent); text-decoration: none; }
header nav form { margin-left: auto; }
main { padding-top: 1rem; }
h1, h2, h3 { line-height: 1.2; }
form > div { margin-bottom: 0.75rem; }
label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
input, textarea, select { font: inherit; padding: 0.4rem 0.5rem; width: 100%; max-width: 360px; }
button { font: inherit; padding: 0.4rem 0.9rem; background: var(--accent); color: white; border: 0; border-radius: 4px; cursor: pointer; }
button:hover { filter: brightness(1.1); }
.error { color: var(--bad); }
.muted { color: var(--muted); }
table { border-collapse: collapse; width: 100%; }
table th, table td { padding: 0.4rem 0.6rem; border-bottom: 1px solid #eee; text-align: left; }
.bid-panel { padding: 1rem; border: 1px solid #ddd; border-radius: 6px; }
.bid-row { display: flex; justify-content: space-between; padding: 0.25rem 0; }
.bid-row.you { font-weight: 600; }