:root {
  --bg: #0a0a0f;
  --bg-elev: #11121a;
  --border: #1f2030;
  --border-strong: #2a2c40;
  --text: #e7e9ee;
  --text-dim: #a3a7b3;
  --text-muted: #6b7080;
  --accent: #10b981;
  --accent-2: #34d399;
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 780px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.container.narrow { max-width: var(--maxw); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 15, 0.9);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--text); font-weight: 700;
}
.brand:hover { color: var(--text); }
.header-cta { display: flex; gap: 0.6rem; }

.btn {
  display: inline-flex; align-items: center;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.93rem;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #06241a; }
a.btn-primary:hover,
a.btn-primary:focus,
.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-2);
  color: #06241a;
}
.btn-ghost { background: transparent; color: var(--text-dim); }
a.btn-ghost:hover,
.btn-ghost:hover { color: var(--text); }

main.legal { padding: 3.5rem 0 5rem; }
.legal h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}
.legal .updated { color: var(--text-muted); font-size: 0.9rem; margin: 0 0 2rem; }
.legal h2 { font-size: 1.15rem; margin: 2rem 0 0.6rem; }
.legal p, .legal li { color: var(--text-dim); }
.legal ul { padding-left: 1.2rem; }
.legal pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  overflow-x: auto;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}
.legal code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}
.legal .note {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  color: var(--text-dim);
}

.tool-form {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 1rem;
}
.tool-form input[type="text"],
.tool-form input[type="date"],
.tool-form input[type="url"] {
  flex: 1;
  min-width: 14rem;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  font: inherit;
}
.tool-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.result-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  margin: 1rem 0;
}
.result-card dl {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 0.35rem 1rem;
  margin: 0;
}
.result-card dt { color: var(--text-muted); }
.result-card dd { margin: 0; color: var(--text); }
.result-error { color: #ef4444; }
.result-ok { color: var(--accent-2); font-weight: 600; }
.cta-block { margin: 1.4rem 0 0; }
.legal figure { margin: 1.4rem 0; }
.legal figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}
.legal figcaption { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.45rem; }
.guide-list { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: 0.8rem; }
.guide-list a {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  color: var(--text);
}
.guide-list a:hover { border-color: var(--accent); color: var(--text); }
.guide-list span { display: block; color: var(--text-muted); font-size: 0.9rem; margin-top: 0.25rem; }

.status-list { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: 0.8rem; }
.status-list li {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  display: flex; justify-content: space-between; gap: 1rem;
  color: var(--text);
}
[data-state="up"] { color: var(--accent-2); font-weight: 600; }
[data-state="down"] { color: #ef4444; font-weight: 600; }
[data-state="checking"] { color: var(--text-muted); }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: #08080c;
}
.footer-nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-nav a { color: var(--text-dim); font-size: 0.9rem; }
.copyright { color: var(--text-muted); font-size: 0.85rem; margin-top: 1rem; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}