/* Eagle 5 serial console — terminal-hacker theme matching landing site,
   tuned for a single-page terminal app. */

:root {
  --bg:           #0a0a0a;
  --bg-elev:      #161616;
  --bg-card:      #1a1a1a;
  --fg:           #e8e8e8;
  --fg-dim:       #8a8a8a;
  --fg-faint:     #555;

  --cyan:         #7be0e0;
  --yellow:       #f0c020;
  --green:        #50d860;
  --red:          #e04040;
  --magenta:      #d870c0;

  --rule:         #2a2a2a;
  --rule-strong:  #444;

  --mono:         "Berkeley Mono", "JetBrains Mono", "SF Mono", "Cascadia Code",
                  Menlo, Consolas, "Courier New", monospace;
  --sans:         -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
                  Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;   /* pin footer to viewport bottom even on short pages */
}

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1.25rem;
}

/* ── header / nav ────────────────────────────────────────── */

header.site {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  flex-shrink: 0;
}

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 1.75rem;
  padding-top: 1.25rem;
  padding-bottom: 1rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--yellow);
  font-size: 1.05rem;
  text-decoration: none;
  white-space: nowrap;
}
.brand::before { content: "» "; color: var(--fg-faint); }

nav.main {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  font-size: 0.92rem;
}
nav.main a {
  color: var(--cyan);
  text-decoration: none;
  padding: 0.1rem 0;
}
nav.main a:hover,
nav.main a[aria-current="page"] {
  color: var(--yellow);
  border-bottom: 1px solid var(--yellow);
}
nav.main a::before { content: "> "; color: var(--fg-faint); }

/* ── page title strip ─────────────────────────────────────── */

.title-strip {
  border-bottom: 1px solid var(--rule);
  padding: 1.25rem 0 1rem;
}

.title-strip h1 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  color: var(--yellow);
  letter-spacing: 0.03em;
}
.title-strip h1::before { content: "# "; color: var(--fg-faint); }

.title-strip .tagline {
  color: var(--fg-dim);
  font-style: italic;
  margin: 0;
  font-family: var(--sans);
  font-size: 0.95rem;
}

/* ── main layout ─────────────────────────────────────────── */

main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0 2rem;
  min-height: 0;
}

.terminal-pane {
  display: flex;
  flex-direction: column;
  margin: 1.25rem 0 1.5rem;
  border: 1px solid var(--rule);
  border-top: 1px solid var(--cyan);   /* subtle cyan stripe so the pane reads as "live"  */
  background: #000;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--bg) inset, 0 8px 24px rgba(0,0,0,0.4);
}

/* ── control bar ─────────────────────────────────────────── */

.control-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--rule);
  font-size: 0.9rem;
}

.control-bar button {
  font-family: var(--mono);
  font-size: 0.88rem;
  background: var(--bg-card);
  color: var(--cyan);
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  transition: all 0.1s;
  white-space: nowrap;
}
.control-bar button:hover:not(:disabled) {
  border-color: var(--cyan);
  color: var(--yellow);
  border-color: var(--yellow);
}
.control-bar button:disabled {
  color: var(--fg-faint);
  cursor: not-allowed;
  opacity: 0.55;
}

.control-bar button.primary {
  background: var(--yellow);
  color: var(--bg);
  border-color: var(--yellow);
  font-weight: 700;
}
.control-bar button.primary:hover:not(:disabled) {
  background: #ffd840;
  border-color: #ffd840;
  color: var(--bg);
}
.control-bar button.danger {
  color: var(--red);
}
.control-bar button.danger:hover:not(:disabled) {
  border-color: var(--red);
  color: var(--bg);
  background: var(--red);
}

.control-bar select {
  font-family: var(--mono);
  font-size: 0.88rem;
  background: var(--bg-card);
  color: var(--fg);
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  padding: 0.35rem 0.4rem;
  cursor: pointer;
}

.control-bar label {
  color: var(--fg-dim);
  font-size: 0.85rem;
  margin-right: 0.25rem;
}

.control-bar .spacer { flex: 1; min-width: 0.5rem; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-dim);
  padding: 0.35rem 0.6rem;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg-faint);
  flex-shrink: 0;
}

.status[data-state="disconnected"] .status-dot { background: var(--fg-faint); }
.status[data-state="connecting"]   .status-dot {
  background: var(--yellow);
  box-shadow: 0 0 6px var(--yellow);
  animation: pulse 1s ease-in-out infinite;
}
.status[data-state="connected"]    .status-dot {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.status[data-state="error"]        .status-dot {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

.status[data-state="disconnected"] { color: var(--fg-dim); }
.status[data-state="connecting"]   { color: var(--yellow); }
.status[data-state="connected"]    { color: var(--green); }
.status[data-state="error"]        { color: var(--red); }

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

/* ── terminal pane (xterm mounts here) ───────────────────── */

#terminal {
  flex: 1 1 auto;
  min-height: 380px;
  padding: 0.5rem 0.65rem;
  background: #000;
}

/* xterm tweaks */
.xterm-viewport::-webkit-scrollbar { width: 10px; }
.xterm-viewport::-webkit-scrollbar-track { background: #000; }
.xterm-viewport::-webkit-scrollbar-thumb {
  background: var(--rule-strong);
  border-radius: 5px;
}
.xterm-viewport::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }

/* ── unsupported banner ──────────────────────────────────── */

.unsupported {
  background: rgba(224, 64, 64, 0.08);
  border: 1px solid var(--red);
  border-left: 3px solid var(--red);
  border-radius: 3px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--sans);
  color: var(--fg);
}
.unsupported strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--red);
}

/* ── help section ────────────────────────────────────────── */

section.help {
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  font-family: var(--sans);
}

section.help h2 {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--cyan);
  margin: 0 0 0.75rem;
}
section.help h2::before { content: "## "; color: var(--fg-faint); }

section.help h3 {
  font-family: var(--mono);
  font-size: 0.98rem;
  color: var(--yellow);
  margin: 1.25rem 0 0.4rem;
}
section.help h3::before { content: "### "; color: var(--fg-faint); }

section.help p, section.help ul, section.help ol {
  margin: 0.4rem 0 0.9rem;
}
section.help ul, section.help ol { padding-left: 1.5rem; }
section.help code {
  font-family: var(--mono);
  background: var(--bg-elev);
  color: var(--cyan);
  padding: 0.05em 0.35em;
  border-radius: 2px;
  border: 1px solid var(--rule);
  font-size: 0.88rem;
}
section.help kbd {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--bg-card);
  color: var(--yellow);
  padding: 0.05em 0.4em;
  border: 1px solid var(--rule-strong);
  border-bottom-width: 2px;
  border-radius: 3px;
}
section.help a { color: var(--cyan); }
section.help a:hover { color: var(--yellow); }

.help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 720px) {
  .help-grid { grid-template-columns: 1fr 1fr; }
}

/* ── footer ──────────────────────────────────────────────── */

footer.site {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0 2rem;
  color: var(--fg-faint);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: auto;   /* belt-and-suspenders pin to viewport bottom in flex-column body */
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
}
footer.site a { color: var(--fg-dim); text-decoration: none; }
footer.site a:hover { color: var(--cyan); }

::selection {
  background: var(--yellow);
  color: var(--bg);
}

/* ── phone polish (<=560px) ──────────────────────────────── */
@media (max-width: 560px) {
  .wrap { padding: 0 0.9rem; }
  header.site .wrap { gap: 0.45rem 1rem; padding-top: 1rem; }
  nav.main { gap: 0.1rem 0.9rem; font-size: 0.88rem; }
  nav.main a { padding: 0.32rem 0; }
  .control-bar { gap: 8px 10px; }
  .control-bar button, .control-bar select { font-size: 0.85rem; }
  #terminal { min-height: 52vh; }
  .help-grid { gap: 1.25rem; }
  h1 { font-size: 1.28rem; }
}
/* ── Spaceballs display-font polish (Orbitron) — additive, cascades last ── */
:root { --display: "Orbitron", var(--mono); }

.brand {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  text-shadow: 0 0 8px rgba(240,192,32,0.35), 0 1px 2px rgba(0,0,0,0.8);
}
.brand::before {            /* keep the » glyph mono + untracked */
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: normal;
  text-shadow: none;
}

.title-strip h1 {
  font-family: var(--display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  text-shadow: 0 0 10px rgba(240,192,32,0.3), 0 1px 3px rgba(0,0,0,0.9);
}
.title-strip h1::before {   /* keep the # prefix mono */
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: normal;
  text-shadow: none;
}

@media (max-width: 560px) {
  .title-strip h1 { letter-spacing: 0.03em; }
  .brand { letter-spacing: 0.08em; }
}
/* ── Orbitron on nav + section headers (h2/h3), prefixes stay mono ── */
nav.main a {
  font-family: var(--display);
  letter-spacing: 0.06em;
}
nav.main a::before { font-family: var(--mono); letter-spacing: normal; }

h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
h2::before, h3::before { font-family: var(--mono); font-weight: 400; letter-spacing: normal; }
/* ── Exo 2 body to pair with Orbitron (prose only; console/code stay mono) ── */
:root { --sans: "Exo 2", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Helvetica, Arial, sans-serif; }
p, ul, ol, li, .muted, .dim, .lede, .note, .tagline, blockquote { font-family: var(--sans); }
code, pre, kbd { font-family: var(--mono); }