:root {
  --punkfish-purple: rgba(66,45,162,1);
  --punkfish-yellow: rgba(255,234,0,1);
  --ok: #1ec28b;
  --warn: #ffb020;
  --bad: #e74c3c;
  --ring: rgba(255,234,0,0.6);
}

/* Alles fürs Cylinders-Tool unter einem Dach */
.cylinders-tool * {
  box-sizing: border-box;
}

/* Überschrift im Tool-Rahmen */
.cylinders-tool h1 {
  font-size: 1.6rem;
  margin: 0 0 20px 0;
}

/* =========================================
   GRID-Layout: Eingaben / Ergebnis
   ========================================= */

.cylinders-tool .grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 18px;
}

/* Auf schmaleren Screens einspaltig */
@media (max-width: 900px) {
  .cylinders-tool .grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* =========================================
   Cards
   ========================================= */

.cylinders-tool .card {
  background: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  position: relative;
}

.cylinders-tool .card .hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid #ddd;
  background: #f0f0f0;
  border-radius: 12px 12px 0 0;
}

.cylinders-tool .card .hd h2 {
  font-size: 1rem;
  margin: 0;
  font-weight: 700;
}

.cylinders-tool .card .bd {
  padding: 16px;
}

/* =========================================
   Formular-Layout
   ========================================= */

.cylinders-tool .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 8px;
}

@media (max-width: 700px) {
  .cylinders-tool .row {
    grid-template-columns: 1fr;
  }
}

.cylinders-tool label {
  display: block;
  font-size: 0.9rem;
  margin: 8px 0 6px;
  color: #333;
}

.cylinders-tool input,
.cylinders-tool select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #aaa;
  background: #fff;
  color: #111;
  outline: none;
  transition: box-shadow 0.2s ease;
  font-family: inherit;
  font-size: 0.95rem;
}

.cylinders-tool input:focus,
.cylinders-tool select:focus {
  box-shadow: 0 0 0 3px var(--ring);
}

/* Inline-Layout für Gas + Dichte */
.cylinders-tool .inline {
  display: flex;
  gap: 10px;
  align-items: center;
}

.cylinders-tool .inline > * {
  flex: 1 1 0;
}

@media (max-width: 700px) {
  .cylinders-tool .inline {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Presets-Buttons */
.cylinders-tool .preset {
  display: block;                   /* macht sie von Natur aus vollbreit */
  width: 100%;                      /* füllt die gesamte verfügbare Breite */
  text-align: center;               /* zentrierter Text */
  
  cursor: pointer;
  border: 1px solid #ccc;
  background: var(--punkfish-purple);
  color: #fff;
  
  padding: 10px 12px;
  border-radius: 8px;

  font-size: 0.9rem;
  font-weight: 400;

  transition: background 0.2s ease;
}

.cylinders-tool .preset:hover {
  background: #4d36c2;
}


/* =========================================
   Pill / Badge
   ========================================= */

.cylinders-tool .pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--punkfish-purple);
  color: #fff;
  font-size: 0.8rem;
}

/* =========================================
   Ergebnis-Boxen
   ========================================= */

.cylinders-tool .result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 10px;
}

@media (max-width: 700px) {
  .cylinders-tool .result {
    grid-template-columns: 1fr;
  }
}

.cylinders-tool .big {
  border-radius: 10px;
  background: #fff;
  border: 1px solid #ccc;
  padding: 14px;
  text-align: center;
}

.cylinders-tool .big h3 {
  margin: 0 0 6px 0;
  font-size: 0.95rem;
  color: #333;
}

.cylinders-tool .big .value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
}

.cylinders-tool .unit {
  font-size: 0.9rem;
  color: #555;
}

.cylinders-tool .value.positive {
  color: var(--ok);
}

.cylinders-tool .value.zero {
  color: var(--warn);
}

.cylinders-tool .value.negative {
  color: var(--bad);
}

/* =========================================
   Rechenweg (details / summary / steps)
   ========================================= */

.cylinders-tool details.calc {
  margin-top: 10px;
}

.cylinders-tool details.calc summary {
  cursor: pointer;
  color: var(--punkfish-purple);
  font-weight: 700;
  outline: none;
}

/* hier lag das Layout-Problem: Steps dürfen nicht breiter werden als die Karte */
.cylinders-tool .steps {
  margin-top: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  color: #222;
  line-height: 1.4;

  max-width: 100%;
  overflow-x: auto;          /* falls wirklich mal eine sehr lange Zeile kommt */
  padding: 6px 8px;
  background: #f9f9f9;
  border-radius: 6px;
  border: 1px solid #ddd;
}

/* Code in Steps: umbrechen statt Layout sprengen */
.cylinders-tool .steps code,
.cylinders-tool .steps pre {
  white-space: pre-wrap;     /* rechnet in umbruchsfreundlich */
  word-break: break-word;    /* bricht auch lange Tokens */
  background: #f1f1f1;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 2px 6px;
}

/* =========================================
   Fußnote
   ========================================= */

.cylinders-tool .footnote {
  color: #555;
  font-size: 0.8rem;
  margin-top: 10px;
}