:root {
  --bg: #0d1117;
  --panel: #010409;
  --card: #161b22;
  --line: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --blue: #2997ff;
  --dir: #e3b341;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, "Noto Sans Mono CJK TC", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.top, main, .foot {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}
.brand img { display: block; height: 32px; width: auto; }
.top nav { display: flex; gap: 22px; font-size: 15px; }
.top nav a { color: var(--text); }
.top nav a:hover { color: var(--blue); text-decoration: none; }

main { flex: 1; padding-top: 6vh; padding-bottom: 48px; }

/* Terminal window */
.term {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.term-bar span { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.term-bar em { margin-left: 8px; font: 12px var(--mono); font-style: normal; color: var(--muted); }
.term-body {
  padding: 22px 22px 24px;
  font: 16px/1.75 var(--mono);
  min-height: 12.5em;
  overflow-wrap: anywhere;
}

.cmd, .out { margin: 0; }
.out { color: var(--muted); margin-bottom: .55em; }
.out strong { color: var(--text); font-weight: 600; }
.ps { color: var(--blue); font-weight: 700; }
.in { color: var(--text); }
.dir { color: var(--dir); }

.cursor {
  display: inline-block;
  width: .6em;
  height: 1.1em;
  vertical-align: -.18em;
  background: var(--blue);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Typing: terminal.js hides lines and reveals them one by one */
.typing .pending { visibility: hidden; }

/* Work cards */
.work {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.card {
  display: block;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  transition: border-color .15s, transform .15s;
}
a.card:hover { text-decoration: none; border-color: var(--blue); transform: translateY(-2px); }
.card h2 { margin: 0 0 6px; font: 600 17px var(--mono); }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .more { display: inline-block; margin-top: 12px; font: 13px var(--mono); color: var(--blue); }

/* Contact */
.contact {
  margin-top: 36px;
  font: 16px/1.75 var(--mono);
}
.contact .out { margin: 0; }

.foot {
  padding-top: 20px;
  padding-bottom: 28px;
  color: var(--muted);
  font: 12px var(--mono);
}

@media (max-width: 560px) {
  body { font-size: 15px; }
  main { padding-top: 2vh; }
  .brand img { height: 26px; }
  .top nav { gap: 16px; }
  .term-body { padding: 18px 16px 20px; font-size: 14px; min-height: 11.5em; }
  .work { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
  .card { transition: none; }
  a.card:hover { transform: none; }
}