:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --ok: #16a34a;
  --error: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.site-header .brand { font-weight: 700; font-size: 1.25rem; color: var(--text); }
.site-header nav a { margin-left: 1.25rem; color: var(--muted); }

.container { max-width: 880px; margin: 0 auto; padding: 2.5rem 1.5rem; }

.hero { text-align: center; padding: 1rem 0 2rem; }
.hero h1 { font-size: 2.5rem; margin: 0 0 0.5rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 620px; margin: 0 auto 1.5rem; }

.actions { margin: 1.5rem 0; display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-secondary { color: var(--error); border-color: var(--error); }

.notice {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: #fef9c3;
  border: 1px solid #fde047;
  border-radius: 8px;
  color: #854d0e;
}

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: 2rem 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; }
.card h3 { margin-top: 0; }

.legal-links { text-align: center; color: var(--muted); margin-top: 2rem; }

.legal h1 { margin-bottom: 0.25rem; }
.legal h2 { margin-top: 2rem; font-size: 1.2rem; }
.legal ul { padding-left: 1.25rem; }

.status { text-align: center; padding: 2rem 0; }
.status-ok h1 { color: var(--ok); }
.status-error h1 { color: var(--error); }
.status code { background: var(--bg); padding: 0.15rem 0.4rem; border-radius: 4px; }

.muted { color: var(--muted); }

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--card);
}
.site-footer p { margin: 0.25rem 0; }