:root { --border:#eee; --muted:#666; --bg:#fff; }
* { box-sizing: border-box; }
body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color:#111; }
.container { max-width: 980px; margin: 0 auto; padding: 0 16px; }

.header { position: sticky; top:0; background:#fff; border-bottom:1px solid var(--border); z-index: 10; }
.header__inner { display:flex; align-items:center; justify-content:space-between; padding: 14px 0; gap: 12px; }
.brand__title { font-weight: 700; }
.brand__sub { color: var(--muted); font-size: 14px; margin-top:2px; }

.nav { display:flex; gap: 10px; flex-wrap: wrap; justify-content:flex-end; }
.nav a { text-decoration:none; color:#111; padding: 8px 10px; border-radius: 12px; }
.nav a:hover { background:#f6f6f6; }
.nav__cta { border:1px solid var(--border); }

.flash { margin: 16px 0; padding: 12px 14px; border:1px solid var(--border); background:#f7f7f7; border-radius: 14px; }

.card { border:1px solid var(--border); border-radius: 18px; padding: 18px; background:#fff; }
.grid { display:grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
@media (max-width: 840px){ .grid { grid-template-columns: 1fr; } }

h1 { margin: 18px 0 10px; font-size: 34px; }
h2 { margin: 18px 0 10px; font-size: 22px; }
p { line-height: 1.55; color:#222; }
.muted { color: var(--muted); }

label { display:block; margin: 12px 0; }
input, select, textarea { width:100%; padding: 10px; margin-top: 6px; border:1px solid var(--border); border-radius: 12px; }
button { padding: 10px 14px; border:1px solid var(--border); border-radius: 12px; background:#fff; cursor:pointer; }
button:hover { background:#f6f6f6; }

.footer { border-top:1px solid var(--border); margin-top: 30px; }
.footer__inner { padding: 18px 0; color: var(--muted); }

.nav__logout {
  color: #666;
  font-size: 14px;
}

.nav__logout:hover {
  background: #f0f0f0;
}

.nav__locked { color:#999; font-size:14px; padding: 8px 10px; }