/* ── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Color tokens ────────────────────────────────────── */
:root {
  --bg:      #0a0a0a;
  --green:   #4ade80;
  --cyan:    #22d3ee;
  --yellow:  #fbbf24;
  --magenta: #e879f9;
  --blue:    #60a5fa;
  --red:     #f87171;
  --white:   #d1d5db;
  --dim:     #374151;
  --bright:  #f9fafb;
}

/* ── Base ────────────────────────────────────────────── */
body {
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--green);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Terminal window ─────────────────────────────────── */
#terminal {
  flex: 1;
  max-width: 920px;
  width: 100%;
  margin: 1.5rem auto;
  border: 1px solid var(--dim);
  border-radius: 8px;
  overflow: hidden;
}

/* Window chrome */
#titlebar {
  background: #111827;
  padding: 0.45rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border-bottom: 1px solid var(--dim);
}

.dot {
  width: 13px; height: 13px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

#titlebar-path {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--white);
  opacity: 0.7;
}

/* Screen */
#screen { padding: 1.5rem 2rem; }

/* ── ASCII logo ──────────────────────────────────────── */
#logo {
  /* Scale with viewport so it never causes horizontal scroll */
  font-size: clamp(6px, 1.15vw, 13px);
  line-height: 1.15;
  color: var(--green);
  cursor: pointer;
  user-select: none;
  transition: color 0.35s ease;
  margin-bottom: 0.6rem;
  white-space: pre;
  overflow-x: auto;
}

.tagline {
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

/* ── Prompt line ─────────────────────────────────────── */
.prompt-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 0.2rem;
}

/* PS1: user@host:path$ */
.ps1 .dim    { color: var(--dim); }
.ps1 .path   { color: var(--blue); }
.ps1 .dollar { color: var(--magenta); padding-right: 0.35rem; }

.cmd { color: var(--white); }

/* ── Navigation ──────────────────────────────────────── */
.nav-links {
  padding: 0.3rem 0 0.9rem 1.5rem;
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.nav-item { color: var(--cyan); }

/* ── Section divider ─────────────────────────────────── */
.rule {
  border: none;
  border-top: 1px solid var(--dim);
  margin: 1rem 0;
}

/* ── ls output ───────────────────────────────────────── */
.ls-output {
  padding: 0.2rem 0 1rem 1.5rem;
}

.ls-meta-row { font-size: 0.85em; margin-bottom: 0.1rem; }

.ls-entry {
  display: grid;
  grid-template-columns: 12ch 13ch 5ch 7ch 1fr;
  gap: 0.4rem;
  align-items: baseline;
}

.ls-name { color: var(--cyan); }

/* ── cat output ──────────────────────────────────────── */
.cat-output {
  padding: 0.2rem 0 1rem 1.5rem;
  color: var(--bright);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

/* ── Interactive fake prompt ─────────────────────────── */
#prompt-area { margin-top: 0.5rem; }

#cursor {
  color: var(--green);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

#cmd-output {
  padding: 0.2rem 0 0 1.5rem;
  color: var(--yellow);
  min-height: 1.4em;
  white-space: pre;
}

/* ── Utility colors ──────────────────────────────────── */
.dim     { color: var(--dim); }
.yellow  { color: var(--yellow); }
.cyan    { color: var(--cyan); }
.green   { color: var(--green); }
.magenta { color: var(--magenta); }
.blue    { color: var(--blue); }
.red     { color: var(--red); }

/* ── Status bar ──────────────────────────────────────── */
#statusbar {
  background: var(--green);
  color: #0a0a0a;
  font-family: inherit;
  font-size: 0.8rem;
  padding: 0.25rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

kbd {
  background: #0a0a0a;
  color: var(--green);
  border-radius: 3px;
  padding: 0 0.35rem;
  font-family: inherit;
  font-size: 0.75rem;
}

.sep { margin: 0 0.5rem; opacity: 0.4; }
.status-right { opacity: 0.6; }

/* ── Post content (rendered markdown) ───────────────── */
.post-content {
  padding: 0.5rem 0 1.5rem 1.5rem;
  color: var(--bright);
  max-width: 68ch;
}

.post-content h1,
.post-content h2,
.post-content h3 {
  color: var(--green);
  margin: 1.5rem 0 0.5rem;
}

.post-content h1 { font-size: 1.2rem; }
.post-content h2 { font-size: 1.05rem; }
.post-content h3 { font-size: 1rem; }

.post-content p    { margin-bottom: 0.9rem; }

.post-content code {
  color: var(--cyan);
  background: #111827;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.95em;
}

.post-content pre {
  background: #111827;
  border-left: 3px solid var(--green);
  padding: 0.75rem 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
  border-radius: 0 4px 4px 0;
}

.post-content pre code {
  background: none;
  padding: 0;
  color: var(--green);
}

.post-content ul,
.post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 0.9rem;
}

.post-content li    { margin-bottom: 0.2rem; }

.post-content blockquote {
  border-left: 3px solid var(--yellow);
  padding-left: 1rem;
  color: var(--yellow);
  margin: 0.75rem 0;
  opacity: 0.85;
}

.post-content strong { color: var(--bright); }
.post-content em     { color: var(--white); font-style: italic; }

.post-content hr {
  border: none;
  border-top: 1px solid var(--dim);
  margin: 1.5rem 0;
}

/* ── Matrix rain canvas (injected by JS) ─────────────── */
#matrix {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 600px) {
  #terminal { margin: 0; border-radius: 0; border-left: none; border-right: none; }
  #screen   { padding: 1rem; }
  .ls-entry { grid-template-columns: 7ch 1fr; }
  .ls-perm, .ls-owner, .ls-size { display: none; }
}