/* Makro-Stoffwechsel — technische Zeichnung (Blueprint).
   Trennt mit Linien, Raster und Mono-Typo statt mit Kästen.
   Baut auf styles.css auf; --macro wird per makros.js gesetzt. */

.sheet {
  --macro: #f59e0b;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --grid: color-mix(in srgb, var(--border) 55%, transparent);
  --grid-major: color-mix(in srgb, var(--border) 95%, transparent);

  position: relative;
  width: 100%;
  max-width: 60rem;
  margin: 0 auto;
  padding: 1.4rem 1.6rem 1.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}

/* Passer-/Registriermarken an zwei Ecken – dezente Zeichnungs-Anmutung */
.sheet::before,
.sheet::after {
  content: "+";
  position: absolute;
  font: 0.85rem / 1 var(--mono);
  color: var(--muted);
  opacity: 0.6;
}
.sheet::before {
  top: 0.45rem;
  left: 0.5rem;
}
.sheet::after {
  bottom: 0.45rem;
  right: 0.55rem;
}

/* ── Schriftfeld (title block) ─────────────────────────────────────────── */
.titleblock {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  font: 0.68rem / 1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.titleblock b {
  color: var(--macro);
  font-weight: 700;
}

.tb-brand {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.14em;
}

.tb-title {
  color: var(--text);
}

.tb-sep {
  width: 1px;
  height: 0.85em;
  background: var(--border);
}

.tb-grow {
  flex: 1 1 1rem;
}

/* ── Kopf ──────────────────────────────────────────────────────────────── */
.sheet-h1 {
  margin: 1.1rem 0 0.4rem;
  font-size: clamp(1.55rem, 4.5vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.sheet-lead {
  margin: 0;
  max-width: 44rem;
  color: var(--muted);
}

.sheet .related {
  margin: 0.5rem 0 0;
  font: 0.72rem / 1.5 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.sheet .related a {
  color: var(--macro);
  text-decoration: none;
}

.sheet .related a:hover {
  text-decoration: underline;
}

/* ── Layer-/Blatt-Wähler (Tabs) ────────────────────────────────────────── */
.layers {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.4rem 0 0;
  border-bottom: 1px solid var(--border);
}

.layer {
  --macro: var(--accent);
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font: 0.8rem / 1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.12s ease;
}

.layer-no {
  color: var(--macro);
  font-weight: 700;
}

.layer:hover {
  color: var(--text);
}

.layer.is-active {
  color: var(--text);
  border-bottom-color: var(--macro);
}

/* ── Schema-Fläche mit Rasterpapier ────────────────────────────────────── */
.schematic {
  position: relative;
  margin: 1.4rem 0 0;
  padding: 1.9rem 0.9rem 1.4rem;
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px);
  background-size:
    20px 20px,
    20px 20px,
    100px 100px,
    100px 100px;
  background-position: center top;
}

.schematic::before,
.schematic::after {
  content: "+";
  position: absolute;
  font: 0.8rem / 1 var(--mono);
  color: var(--muted);
  opacity: 0.55;
}
.schematic::before {
  top: 0.35rem;
  left: 0.4rem;
}
.schematic::after {
  bottom: 0.3rem;
  right: 0.45rem;
}

.sch-tag {
  position: absolute;
  top: 0.4rem;
  right: 0.6rem;
  font: 0.66rem / 1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ── Leitung + Ballon-Callouts ─────────────────────────────────────────── */
.flow {
  position: relative;
}

/* durchgehende Leitung (dünn, gedämpft) */
.flow::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 1.6rem;
  bottom: 1.6rem;
  width: 1px;
  background: color-mix(in srgb, var(--macro) 45%, transparent);
}

/* fließender "Strom" auf der Leitung */
.flow::after {
  content: "";
  position: absolute;
  left: calc(1.05rem - 1.5px);
  top: 1.6rem;
  bottom: 1.6rem;
  width: 3px;
  background-image: repeating-linear-gradient(
    180deg,
    var(--macro) 0 5px,
    transparent 5px 16px
  );
  animation: makro-flow 1s linear infinite;
}

@keyframes makro-flow {
  from {
    background-position-y: 0;
  }
  to {
    background-position-y: 16px;
  }
}

.station {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  column-gap: 0.85rem;
  align-items: start;
  padding: 0.6rem 0;
  cursor: pointer;
}

.st-node {
  justify-self: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font: 700 0.72rem / 1 var(--mono);
  color: var(--macro);
  background: var(--card);
  border: 1.5px solid var(--macro);
  position: relative;
  z-index: 1;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease;
}

.station.is-active .st-node {
  background: var(--macro);
  color: #0b0d10;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--macro) 22%, transparent);
}

.st-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.st-name {
  font-weight: 700;
  font-size: 1rem;
}

/* gestrichelte Leader-Linie zum Prozess-Label */
.st-lead {
  flex: 1 1 1.5rem;
  min-width: 1.25rem;
  height: 0;
  border-top: 1px dashed color-mix(in srgb, var(--border) 120%, transparent);
  align-self: center;
}

.st-proc {
  font: 0.7rem / 1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  white-space: nowrap;
}

.station.is-active .st-proc {
  color: var(--macro);
}

.st-detail {
  margin: 0.3rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ── Datenblatt (Tabelle statt Box) ────────────────────────────────────── */
.notes {
  margin-top: 1.6rem;
}

.notes-cap {
  font: 0.68rem / 1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-bottom: 0.5rem;
  border-bottom: 1.5px solid var(--border);
}

.ds-row {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 0.5rem 1rem;
  padding: 0.6rem 0.1rem;
  border-bottom: 1px solid var(--border);
}

.ds-key {
  font: 0.7rem / 1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  align-self: center;
}

.ds-val {
  font-weight: 600;
}

/* ── Hinweis (Merksatz) — Randnotiz statt Box ──────────────────────────── */
.note {
  margin-top: 1.4rem;
  border-left: 2px solid var(--macro);
  padding-left: 0.95rem;
}

.note-tag {
  display: block;
  font: 0.66rem / 1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--macro);
  margin-bottom: 0.3rem;
}

.note p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.5;
}

/* ── Fuß ───────────────────────────────────────────────────────────────── */
.sheet .fineprint {
  margin-top: 1.9rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.sheet .back {
  display: inline-block;
  margin-top: 1.2rem;
  font: 0.72rem / 1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
}

.sheet .back:hover {
  color: var(--text);
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 560px) {
  .sheet {
    padding: 1.2rem 1.1rem 1.5rem;
  }
  .ds-row {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }
  .sch-tag {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .flow::after {
    animation: none;
  }
}