:root {
  --bg: #0f172a;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --card: #535d73;
  --accent: #00e5b0;
  --link: #7dd3fc;
  --btn: #22d3ee;
}
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    sans-serif;
  color: var(--fg);
  background: linear-gradient(180deg, #535d73, var(--bg));
}
.site-header,
.site-footer {
  max-width: 960px;
  margin: 1rem auto;
  padding: 0 1rem;
}
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}
.top-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  background: rgba(17, 24, 39, 0.7);
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #1f2937;
}
.top-nav a {
  color: var(--link);
  text-decoration: none;
}
.top-nav a:hover {
  text-decoration: underline;
}
.link-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}
.link-list li {
  padding: 0.25rem 0;
}
.muted {
  color: var(--muted);
}
.tag {
  display: inline-block;
  background: #0e7490;
  color: white;
  padding: 0.1rem 0.5rem;
  border-radius: 0.5rem;
  margin-left: 0.5rem;
  font-size: 0.8rem;
}
.stack label {
  display: block;
  margin: 0.5rem 0;
}
input,
button {
  font: inherit;
}
input[type="text"],
input[type="date"],
input:not([type]) {
  background: #535d73;
  color: var(--fg);
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
}
.actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
button {
  background: var(--btn);
  border: none;
  color: #00323a;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
}
button:hover {
  filter: brightness(1.1);
}
.log {
  background: #0b1220;
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 0.75rem;
  height: 260px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
code {
  background: #535d73;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 0.1rem 0.3rem;
}