:root {
  --bg: #0a0b0a;
  --ink: #d7d2c4;
  --muted: #8a8678;
  --line: #2a2c28;
  --accent: #c4a35a;
  --led: #7dba6a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: "IBM Plex Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.frame {
  min-height: 100vh;
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 2rem;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.mast {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: "IBM Plex Mono", ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.28em;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.led {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--led);
  box-shadow: 0 0 0 3px rgba(125, 186, 106, 0.12);
}

main {
  flex: 1;
  padding: 2.75rem 0 2rem;
}

.lede {
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  line-height: 1.15;
  font-weight: 500;
  max-width: 18ch;
  margin-bottom: 2.75rem;
}

.section-label {
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.track-list {
  list-style: none;
  border-top: 1px solid var(--line);
}

.track-list li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.75rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.idx {
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  color: var(--accent);
  padding-top: 0.3rem;
}

.track-list h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.track-list p,
.aside,
.rule {
  color: var(--muted);
}

.aside {
  margin-top: 1.15rem;
}

.rule {
  margin-top: 2.5rem;
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.92rem;
}

footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.mail {
  color: var(--ink);
  text-decoration: none;
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--accent);
}

.mail:hover,
.mail:focus {
  color: var(--accent);
}

@media (max-width: 520px) {
  .lede {
    max-width: none;
  }
}