/* Autor: Thorsten Joormann | Tel: +49 162 16 15 396 */

.calc-intro {
  padding-block: var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--paper-line);
  max-width: 72ch;
}

.calc-intro h1 {
  margin-block: var(--space-sm) var(--space-md);
  max-width: 16ch;
}

.calc-note {
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--ink-soft);
}

.calculator {
  padding-block: var(--space-lg) var(--space-section);
  display: grid;
  gap: var(--space-md);
  counter-reset: calc-cat;
}

.calc-category {
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--paper-raised);
  position: relative;
  overflow: hidden;
}

.calc-category::before {
  counter-increment: calc-cat;
  content: counter(calc-cat, decimal-leading-zero);
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  font-size: var(--label-size);
  font-weight: 600;
  letter-spacing: var(--label-track);
  color: var(--paper-line-strong);
  font-variant-numeric: tabular-nums;
}

.calc-category legend {
  float: left;
  width: 100%;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  padding-inline: 0;
  margin-bottom: var(--space-sm);
  color: var(--ink);
}

.calc-list {
  clear: both;
  display: grid;
  gap: 0;
}

.calc-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--space-md);
  padding: 0.9em 0.6em;
  margin-inline: -0.6em;
  border-bottom: 1px solid var(--paper-line);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color var(--duration-fast) var(--ease-out-expo);
}

.calc-row:last-child {
  border-bottom: none;
}

.calc-row:not(.calc-row--mandatory):hover {
  background: var(--accent-tint);
}

.calc-row--mandatory {
  cursor: default;
  color: var(--ink-soft);
}

.calc-row__name {
  display: flex;
  flex-direction: column;
  gap: 0.25em;
  font-size: var(--text-sm);
}

.calc-row__desc {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--ink-soft);
  line-height: 1.4;
}

.calc-row__badge {
  display: inline-block;
  margin-left: 0.6em;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
  background: var(--accent-tint);
  padding: 0.15em 0.55em;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(46, 125, 91, 0.25);
}

.calc-row__price {
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.calc-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.calc-row--quantity {
  grid-template-columns: 1fr auto auto auto;
  cursor: default;
}

.calc-row__qty {
  display: flex;
  align-items: center;
}

.calc-qty-input {
  width: 3.5em;
  padding: 0.35em 0.4em;
  border: 1px solid var(--paper-line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.calc-qty-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* Steht bewusst am Ende der Kalkulation (nicht mehr sticky/schwebend, das irritierte beim Scrollen). */
.calc-result {
  display: flex;
  justify-content: center;
  margin-top: var(--space-md);
}

.calc-result__sum {
  position: relative;
  background: var(--ink-deep);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: grid;
  gap: 0.4em;
  text-align: center;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
  max-width: 480px;
  overflow: hidden;
}

.calc-result__sum::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
}

.calc-result__label {
  font-size: var(--label-size);
  text-transform: uppercase;
  letter-spacing: var(--label-track);
  color: var(--on-ink-soft);
}

.calc-result__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: #8fd0ad;
  font-variant-numeric: tabular-nums;
}

.calc-result__hint {
  font-size: var(--text-xs);
  color: var(--on-ink-soft);
}

.calc-result #calc-pdf-button {
  margin-top: var(--space-xs);
  justify-self: center;
  color: var(--white);
  border-color: var(--on-ink-line-strong);
}

.calc-result #calc-pdf-button:hover {
  background: rgba(247, 245, 240, 0.1);
  border-color: var(--white);
}

@media (max-width: 600px) {
  .calc-category::before {
    display: none;
  }

  .calc-row {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }

  .calc-row__price {
    grid-column: 1;
  }

  .calc-row input[type="checkbox"] {
    grid-row: 1 / 3;
  }

  .calc-row--quantity {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto auto;
  }

  .calc-row--quantity .calc-row__qty {
    grid-column: 1;
  }

  .calc-row--quantity .calc-row__price {
    grid-column: 1;
  }

  .calc-row--quantity input[type="checkbox"] {
    grid-row: 1 / 4;
  }
}