:root {
  --bg: #0a0f0c;
  --bg-panel: #0e1512;
  --bg-panel-alt: #111a15;
  --border: #1f3327;
  --border-bright: #2f4f3c;
  --text: #c9f2d8;
  --text-dim: #6f9a80;
  --accent: #4be38a;
  --accent-soft: #2f8f5c;
  --accent2: #ff3fa4;
  --warn: #ffcc66;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular,
    Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
}

/* Subtle scanline / CRT atmosphere, quiet by default */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(75, 227, 138, 0.025) 0px,
    rgba(75, 227, 138, 0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 999;
}

@media (prefers-reduced-motion: no-preference) {
  .cursor::after {
    content: "\2588";
    display: inline-block;
    margin-left: 2px;
    color: var(--accent);
    animation: blink 1.1s steps(1) infinite;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cursor::after {
    content: "\2588";
    display: inline-block;
    margin-left: 2px;
    color: var(--accent);
  }
}
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { color: var(--accent2); text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent2); outline-offset: 2px; }

.shell {
  max-width: 920px;
  margin: 2.5rem auto;
  padding: 0 1rem 3rem;
}

/* Terminal window chrome */
.term-window {
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4), 0 20px 60px rgba(0,0,0,0.5);
  overflow: hidden;
}
.term-titlebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  background: var(--bg-panel-alt);
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-dim);
}
.term-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border-bright);
  border: 1px solid var(--accent-soft);
}
.term-titlebar .path { margin-left: 0.5rem; }

nav.term-nav {
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.92rem;
}
nav.term-nav a::before { content: "$ "; color: var(--text-dim); }
nav.term-nav a { color: var(--text); }
nav.term-nav a:hover { color: var(--accent2); }
nav.term-nav a.active { color: var(--accent); }
nav.term-nav a.active::after { content: "  <"; color: var(--text-dim); }

main.term-body {
  padding: 1.6rem 1.4rem 2rem;
}

.prompt {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}
.prompt .user { color: var(--accent); }
.prompt .path { color: var(--accent2); }

h1, h2, h3 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 {
  font-size: 1.05rem;
  margin: 2rem 0 0.8rem;
  color: var(--accent);
  border-bottom: 1px dashed var(--border-bright);
  padding-bottom: 0.35rem;
}
h2::before { content: "## "; color: var(--text-dim); }
h3 { font-size: 0.95rem; color: var(--accent); }

p { margin: 0 0 1rem; }
.muted { color: var(--text-dim); }

.panel {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  margin-bottom: 1.2rem;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.12rem 0.5rem;
  border-radius: 3px;
  border: 1px solid;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge.ready { color: var(--accent); border-color: var(--accent-soft); }
.badge.soon { color: var(--warn); border-color: var(--warn); }

/* Spreadsheet-style schedule table */
table.sheet {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 0.5rem 0 1rem;
}
table.sheet caption {
  text-align: left;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-bottom: 0.4rem;
}
table.sheet th, table.sheet td {
  border: 1px solid var(--border-bright);
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}
table.sheet thead th {
  background: var(--bg-panel);
  color: var(--accent);
  font-weight: 700;
}
table.sheet tbody tr:nth-child(even) { background: rgba(75, 227, 138, 0.03); }
table.sheet td.cell-empty { color: var(--text-dim); }

ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}
ul.plain li:last-child { border-bottom: none; }
ul.plain li::before { content: "> "; color: var(--text-dim); }

.link-list a { font-weight: 600; }
.link-list .desc { color: var(--text-dim); font-size: 0.87rem; display: block; margin-top: 0.15rem; }

.btn {
  display: inline-block;
  border: 1px solid var(--accent-soft);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 700;
}
.btn:hover { border-color: var(--accent2); color: var(--accent2); text-decoration: none; }
.btn[aria-disabled="true"] {
  color: var(--text-dim);
  border-color: var(--border-bright);
  pointer-events: none;
}

footer.term-footer {
  max-width: 920px;
  margin: 0 auto 2rem;
  padding: 0 1rem;
  color: var(--text-dim);
  font-size: 0.78rem;
}

code, .kbd {
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  border-radius: 3px;
  padding: 0.05rem 0.35rem;
  color: var(--accent);
  font-size: 0.9em;
}

@media (max-width: 560px) {
  .shell { margin: 1rem auto; }
  nav.term-nav { gap: 0.3rem 0.8rem; font-size: 0.85rem; }
  main.term-body { padding: 1.2rem 1rem 1.6rem; }
}