/* ══════════════════════════════════════════════════════════
   fanzine.css — Reusable fanzine B/W spec poster stylesheet
   ──────────────────────────────────────────────────────────
   Courier New · monocromo · estética recortable · A3 print
   ══════════════════════════════════════════════════════════ */
@page { size: A3 portrait; margin: 12mm; }

/* ── THEME TOKENS ── */
:root {
  --fg:          #000;
  --fg-soft:     #111;
  --bg:          #fff;
  --bg-alt:      #f4f4f4;
  --bg-warm:     #f6f1e8;
  --bg-muted:    #fafafa;
  --bg-concept:  #f0f0f0;
  --border:      #000;
  --border-soft: #111;
  --inv-bg:      #000;
  --inv-fg:      #fff;
  --inv-bg-dim:  #444;
  --tape-bg:     rgba(0,0,0,0.07);
  --link:        #111;
}

[data-theme="dark"] {
  --fg:          #e0e0e0;
  --fg-soft:     #ccc;
  --bg:          #1a1a1a;
  --bg-alt:      #252525;
  --bg-warm:     #2a2520;
  --bg-muted:    #222;
  --bg-concept:  #2a2a2a;
  --border:      #c0c0c0;
  --border-soft: #aaa;
  --inv-bg:      #e0e0e0;
  --inv-fg:      #1a1a1a;
  --inv-bg-dim:  #999;
  --tape-bg:     rgba(255,255,255,0.07);
  --link:        #ccc;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Courier New', Courier, monospace;
  background: var(--bg);
  color: var(--fg);
  padding: 24px;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.35;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

/* ── cutout box (dashed outer border) ── */
.cutout {
  border: 2.5px solid var(--border);
  padding: 14px 16px;
  margin: 18px 0;
  position: relative;
  background: var(--bg);
}
.cutout::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1.5px dashed var(--border);
  pointer-events: none;
}

/* tape strips (decorative) */
.tape {
  position: absolute;
  width: 60px; height: 18px;
  background: var(--tape-bg);
  border: 1px solid var(--border);
  z-index: 2;
}
.tape-tl { top: -10px; left: 18px;  transform: rotate(-3deg); }
.tape-tr { top: -10px; right: 18px; transform: rotate(4deg); }
.tape-bl { bottom: -10px; left: 22px; transform: rotate(2deg); }
.tape-br { bottom: -10px; right: 20px; transform: rotate(-2deg); }

/* ── HEADER ── */
.header {
  text-align: center;
  padding: 28px 10px 18px;
  border: 4px double var(--border);
  margin-bottom: 6px;
  position: relative;
}
.header h1 {
  font-size: 2.8rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  transform: rotate(-1.2deg);
  line-height: 1.1;
}
.header .sub {
  font-size: 1.05rem;
  margin-top: 8px;
  letter-spacing: 2px;
  transform: rotate(0.5deg);
}
.header .sub2 {
  font-size: 0.78rem;
  margin-top: 6px;
  letter-spacing: 1px;
  opacity: 0.7;
}
.stamp {
  position: absolute;
  top: 12px; right: 16px;
  border: 3px solid var(--border);
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: bold;
  transform: rotate(8deg);
  letter-spacing: 1.5px;
}
.issue {
  position: absolute;
  bottom: 8px; left: 14px;
  font-size: 0.6rem;
  letter-spacing: 1px;
  opacity: 0.5;
}

/* ── STATS BAR ── */
.stats-bar {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
  padding: 10px 6px;
  border-top: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
}
.stat {
  text-align: center;
  flex: 1 1 100px;
  min-width: 100px;
}
.stat .val {
  font-size: 1.6rem;
  font-weight: bold;
  display: block;
  line-height: 1.1;
}
.stat .lbl {
  font-size: 0.6rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-top: 2px;
  opacity: 0.7;
}

/* ── DIAGRAM (white-on-black <pre>) ── */
.diagram-wrap h2 {
  font-size: 1.1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 10px;
  text-decoration: underline;
  text-underline-offset: 4px;
  transform: rotate(-0.6deg);
}
.diagram {
  font-size: 0.68rem;
  line-height: 1.28;
  white-space: pre;
  overflow-x: auto;
  background: var(--inv-bg);
  color: var(--inv-fg);
  padding: 14px 12px;
  border: 2px solid var(--border);
}

/* ── COLUMNS ── */
.cols {
  display: flex;
  gap: 16px;
  margin: 14px 0;
}
.cols > .col { flex: 1; }
@media (max-width: 640px) {
  .cols { flex-direction: column; }
}

/* ── SECTION TITLES ── */
h3 {
  font-size: 0.85rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  border-bottom: 2px solid var(--border);
  padding-bottom: 4px;
  margin-bottom: 10px;
}

/* ── CODE BLOCKS ── */
.cmd {
  font-size: 0.7rem;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--bg-alt);
  border-left: 4px solid var(--border);
  padding: 8px 10px;
  margin: 8px 0;
}
.cmd .comment { opacity: 0.5; }
.cmd .prompt::before { content: '$ '; font-weight: bold; }

/* ── TABLE ── */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.68rem;
  margin: 8px 0;
}
.tbl th, .tbl td {
  border: 1.5px solid var(--border);
  padding: 5px 7px;
  text-align: left;
  vertical-align: top;
}
.tbl th {
  background: var(--inv-bg);
  color: var(--inv-fg);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.62rem;
}
.tbl .check { text-align: center; font-size: 0.9rem; }

/* ── COMPONENT CARDS ── */
.card {
  border: 2px solid var(--border);
  padding: 10px 12px;
  margin-bottom: 10px;
  position: relative;
}
.card .card-title {
  font-weight: bold;
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.card .card-body { font-size: 0.68rem; }
.card .card-port {
  position: absolute;
  top: 6px; right: 8px;
  font-size: 0.9rem;
  font-weight: bold;
  opacity: 0.3;
}

/* ── FOOTER ── */
.footer {
  text-align: center;
  font-size: 0.58rem;
  letter-spacing: 2px;
  opacity: 0.45;
  margin-top: 18px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  text-transform: uppercase;
}

/* ── TILTS ── */
.tilt-l  { transform: rotate(-0.8deg); }
.tilt-r  { transform: rotate(0.7deg); }
.tilt-l2 { transform: rotate(-1.5deg); }
.tilt-r2 { transform: rotate(1.3deg); }

/* ── CALLOUT (★ star box) ── */
.callout {
  border: 3px solid var(--border);
  padding: 10px 14px;
  text-align: center;
  font-weight: bold;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 16px 0;
  position: relative;
}
.callout::after {
  content: '★';
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
}
.callout::before {
  content: '★';
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
}

/* ── washi tape divider ── */
.washi {
  height: 8px;
  background: repeating-linear-gradient(
    90deg, var(--fg) 0px, var(--fg) 4px, transparent 4px, transparent 8px
  );
  margin: 8px 0;
}

/* ── highlight box (inverted) ── */
.hl-box {
  display: inline-block;
  background: var(--inv-bg);
  color: var(--inv-fg);
  padding: 2px 8px;
  font-size: 0.72rem;
  letter-spacing: 1px;
  margin: 2px 0;
}

/* ── COLLAPSIBLE <details> ── */
details {
  margin: 8px 0;
  border: 1.5px solid var(--border);
  background: var(--bg-muted);
}
details summary {
  cursor: pointer;
  padding: 6px 10px;
  font-size: 0.72rem;
  font-weight: bold;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-bottom: 1px dashed var(--border);
  list-style: none;
  position: relative;
  padding-left: 22px;
}
details summary::before {
  content: '▶';
  position: absolute;
  left: 8px; top: 7px;
  font-size: 0.6rem;
  transition: transform 0.15s;
}
details[open] summary::before {
  transform: rotate(90deg);
}
details summary::-webkit-details-marker { display: none; }
details .detail-body {
  padding: 8px 12px;
  font-size: 0.66rem;
  line-height: 1.4;
}
details .detail-body .cmd { font-size: 0.64rem; }

/* ── keyword tags ── */
.kw {
  display: inline-block;
  border: 1.5px solid var(--border);
  padding: 1px 6px;
  font-size: 0.58rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 2px 3px;
}
.kw-inv {
  display: inline-block;
  background: var(--inv-bg);
  color: var(--inv-fg);
  padding: 1px 6px;
  font-size: 0.58rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 2px 3px;
}

/* ── tip / warning / key-concept boxes ── */
.tip, .warn, .key-concept {
  font-size: 0.66rem;
  padding: 6px 10px 6px 28px;
  margin: 6px 0;
  position: relative;
  border-left: 4px solid var(--border);
}
.tip::before    { content: '💡'; position: absolute; left: 6px; top: 5px; }
.warn::before   { content: '⚠️'; position: absolute; left: 4px; top: 4px; }
.key-concept { border-left: 4px solid var(--border); background: var(--bg-concept); }
.key-concept::before { content: '◆'; position: absolute; left: 8px; top: 6px; font-size: 0.7rem; }

/* ── deep-dive link ── */
.deep-link {
  display: inline-block;
  font-size: 0.62rem;
  letter-spacing: 1px;
  border-bottom: 1.5px solid var(--border);
  text-decoration: none;
  color: var(--fg);
  padding: 1px 0;
  margin-top: 4px;
}
.deep-link:hover { background: var(--inv-bg); color: var(--inv-fg); }
.deep-link::before { content: '→ '; }

/* ── back-to-poster nav (for spec sub-pages) ── */
.nav-back {
  font-size: 0.65rem;
  padding: 8px 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 16px;
}
.nav-back a {
  text-decoration: none;
  color: var(--fg);
  border-bottom: 1.5px solid var(--border);
  letter-spacing: 1px;
}
.nav-back a:hover { background: var(--inv-bg); color: var(--inv-fg); }

/* ── STEP numbering ── */
.step-title {
  font-size: 0.72rem;
  font-weight: bold;
  margin: 10px 0 6px;
}

/* ── DARK MODE TOGGLE ── */
.theme-toggle {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 1000;
  background: var(--bg);
  color: var(--fg);
  border: 2px solid var(--border);
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.8rem;
  padding: 4px 8px;
  cursor: pointer;
  letter-spacing: 1px;
  line-height: 1;
  transition: background 0.15s, color 0.15s;
}
.theme-toggle:hover {
  background: var(--inv-bg);
  color: var(--inv-fg);
}

/* ── print ── */
@media print {
  body { padding: 0; max-width: none; }
  .cutout::before { border-color: #999; }
  details { break-inside: avoid; }
  details[open] .detail-body { break-inside: avoid; }
  .theme-toggle { display: none; }
  /* force light theme */
  html {
    --fg: #000; --fg-soft: #111; --bg: #fff; --bg-alt: #f4f4f4;
    --bg-warm: #f6f1e8; --bg-muted: #fafafa; --bg-concept: #f0f0f0;
    --border: #000; --border-soft: #111; --inv-bg: #000; --inv-fg: #fff;
    --inv-bg-dim: #444; --tape-bg: rgba(0,0,0,0.07); --link: #111;
  }
}