:root {
    --bg: #f6f4ef;
    --card: #fff;
    --accent: #b8860b;
    --text: #1a1a1a;
    --muted: #666;
    --error: #a33;
    --ok: #2a6;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; background: var(--card); border-bottom: 1px solid #ddd; }
.logo { font-weight: 700; color: var(--accent); text-decoration: none; }
nav a { margin-left: 1rem; color: var(--text); }
.container { max-width: 720px; margin: 1.5rem auto; padding: 0 1rem; }
.card { background: var(--card); padding: 1.25rem; border-radius: 8px; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
label { display: block; margin-top: .75rem; font-size: .9rem; color: var(--muted); }
input, select, button { width: 100%; padding: .6rem; margin-top: .25rem; font-size: 1rem; }
button, .btn { background: var(--accent); color: #fff; border: none; border-radius: 6px; cursor: pointer; text-decoration: none; display: inline-block; text-align: center; }
button.secondary { background: #555; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem; border-bottom: 1px solid #eee; }
.flash { padding: .75rem; border-radius: 6px; }
.flash.success { background: #e8f5e9; color: var(--ok); }
.flash.error { background: #ffebee; color: var(--error); }
.balance { font-size: 2rem; font-weight: 700; color: var(--accent); }
.oauth-links a { display: inline-block; margin-right: .5rem; margin-top: .5rem; padding: .5rem 1rem; background: #333; color: #fff; border-radius: 6px; text-decoration: none; font-size: .9rem; }
body.staff .container { max-width: 960px; }