:root {
  color-scheme: dark;
  --bg: #1a1a2e;
  --panel: #16213e;
  --panel-alt: #1f2b4d;
  --panel-soft: #11182f;
  --border: #33384d;
  --border-strong: #00d4ff;
  --text: #eeeeee;
  --muted: #aaaaaa;
  --accent: #00d4ff;
  --accent-strong: #00a8cc;
  --accent-contrast: #041018;
  --success: #b8f0d5;
  --success-border: #215b42;
  --danger: #ffb9c2;
  --danger-border: #6b3340;
  --warn-bg: #261d12;
  --warn-border: #5b4321;
  --warn-text: #f2d3a4;
  --shadow: rgba(0, 0, 0, 0.32);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}
body { line-height: 1.45; }
button, input, textarea, select { font: inherit; }
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { color: var(--accent-strong); }
code { font-family: Consolas, "Courier New", monospace; }
.hidden { display: none !important; }

.app-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

.site-footer {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.site-footer-rule {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 0 0 12px;
  width: 100%;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

@media (max-width: 760px) {
  .app-shell { padding: 16px; }
}