:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2128;
  --topbar: #21262d;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --prompt: #7ee787;
  --key: #79c0ff;
  --string: #a5d6ff;
  --accent: #d2a8ff;
  --link: #58a6ff;
  --error: #ff7b72;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px 16px;
}

.terminal {
  width: 880px;
  max-width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 110px);
}

/* Site navigation outside the terminal window — fallback for users who
   don't realize the in-terminal prompt is interactive. */
.site-nav {
  width: 880px;
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  font-size: 13px;
  font-family: inherit;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  line-height: 1.2;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.nav-link::before {
  content: "> ";
  color: var(--prompt);
  opacity: 0.7;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  border-color: var(--prompt);
  background: var(--panel-2);
  outline: none;
}

.nav-link[aria-current="page"] {
  color: var(--text);
  border-color: var(--prompt);
  background: var(--panel-2);
}

.nav-link[aria-current="page"]::before {
  opacity: 1;
}

.topbar {
  background: var(--topbar);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #555;
}

.dot.red {
  background: #ff5f57;
}
.dot.yellow {
  background: #ffbd2e;
}
.dot.green {
  background: #28c840;
}

.title {
  flex: 1;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.02em;
  user-select: none;
}

.screen {
  padding: 18px 22px 22px;
  overflow-y: auto;
  flex: 1;
  scroll-behavior: smooth;
}

.screen::-webkit-scrollbar {
  width: 8px;
}
.screen::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.line {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.line.gap {
  height: 0.6em;
}

/* Syntax tokens */
.tok-prompt {
  color: var(--prompt);
}
.tok-cmd {
  color: var(--text);
}
.tok-key {
  color: var(--key);
}
.tok-string {
  color: var(--string);
}
.tok-muted {
  color: var(--muted);
}
.tok-accent {
  color: var(--accent);
}
.tok-error {
  color: var(--error);
}

a.terminal-link {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border-color 0.15s ease;
}
a.terminal-link:hover,
a.terminal-link:focus-visible {
  border-bottom-color: var(--link);
  outline: none;
}

/* Blinking cursor */
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--text);
  vertical-align: -0.12em;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  50.01%, 100% {
    opacity: 0;
  }
}

/* Interactive prompt */
.input-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 4px;
}

.input-line .ps1 {
  color: var(--prompt);
  flex-shrink: 0;
}

.input-line .cmd-input {
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font: inherit;
  flex: 1;
  caret-color: var(--text);
  padding: 0;
  min-height: 1.55em;
  white-space: pre-wrap;
  word-break: break-word;
  -webkit-user-modify: read-write-plaintext-only;
}

.input-line .cmd-input:empty::before {
  /* keeps the line height stable when the prompt is empty (Safari) */
  content: "\200b";
}

/* Reduced motion: no typing animation, no blink */
@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
    opacity: 1;
  }
  .screen {
    scroll-behavior: auto;
  }
}

/* Mobile tweaks */
@media (max-width: 600px) {
  body {
    padding: 12px 8px;
    align-items: stretch;
  }
  .terminal {
    max-height: none;
    min-height: calc(100vh - 96px);
  }
  .site-nav {
    font-size: 12px;
    gap: 5px;
  }
  .nav-link {
    padding: 5px 10px;
  }
  html,
  body {
    font-size: 12.5px;
  }
  .screen {
    padding: 14px 14px 18px;
  }
  .title {
    display: none;
  }
}

/* Print: keep it readable on paper too */
@media print {
  body {
    background: #fff;
    color: #000;
    display: block;
    padding: 0;
  }
  .terminal {
    box-shadow: none;
    border: none;
  }
  .topbar,
  .input-line,
  .cursor,
  .site-nav {
    display: none !important;
  }
}