/* ==========================================================================
   Vuolti — /de/rechner/ calculators (Arbeitspaket 05)
   Self-contained: reuses site.css's custom properties (--ink/--paper/--line/
   --accent/--r) but not box.css's page-scoped .row/.toggle/select rules —
   calculator.php never loads box.css, so those aren't available here.
   ========================================================================== */

.calc-app{display:block}
.calc-app__loading{color:var(--ink-3);font-size:14px}

.calc{
  display:grid;gap:clamp(20px,3vw,36px);
}
@media (min-width:860px){
  .calc--two{grid-template-columns:1fr 1fr;align-items:start}
}

.calc-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(20px,2.5vw,28px);
}
.calc-card + .calc-card{margin-top:20px}
.calc-card h2,.calc-card h3{margin:0 0 14px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}

.calc-field{margin-bottom:16px}
.calc-field:last-child{margin-bottom:0}
.calc-field__label{display:block;font-size:14px;color:var(--ink);margin-bottom:6px;font-weight:600}
.calc-field__row{display:flex;align-items:center;gap:8px}
.calc-field input[type=number],
.calc-field input[type=text],
.calc-field select{
  flex:1;min-width:0;background:var(--paper);color:var(--ink);
  border:1px solid var(--line-2);border-radius:var(--r);padding:9px 11px;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.calc-field input[type=number]:focus,
.calc-field select:focus{outline:2px solid var(--accent);outline-offset:1px}
.calc-field__unit{color:var(--ink-3);font-size:13px;white-space:nowrap}
.calc-field__note{margin:6px 0 0;font-size:12.5px;color:var(--ink-3);line-height:1.5}
.calc-field__error{margin:6px 0 0;font-size:12.5px;color:var(--accent-3);line-height:1.4}
.calc-field--error input,
.calc-field--error select{border-color:var(--accent-3)}

.calc-toggle{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-size:14px;font-weight:600;margin-bottom:14px}
.calc-toggle input{position:absolute;opacity:0;width:1px;height:1px}
.calc-toggle__pill{
  position:relative;width:36px;height:20px;border-radius:20px;background:var(--line-2);
  transition:background .15s ease;flex-shrink:0;
}
.calc-toggle__pill::after{
  content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;
  background:var(--ink);transition:transform .15s ease;
}
.calc-toggle input:checked + .calc-toggle__pill{background:var(--accent)}
.calc-toggle input:checked + .calc-toggle__pill::after{transform:translateX(16px)}
.calc-toggle input:focus-visible + .calc-toggle__pill{outline:2px solid var(--accent);outline-offset:2px}

.calc-segmented{display:inline-flex;border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden;margin-bottom:16px}
.calc-segmented button{
  background:var(--paper);color:var(--ink-2);border:0;padding:9px 16px;font-size:13.5px;font-weight:600;
  cursor:pointer;border-right:1px solid var(--line-2);
}
.calc-segmented button:last-child{border-right:0}
.calc-segmented button[aria-pressed=true]{background:var(--accent);color:#fff}
.calc-segmented button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

.calc-result__primary{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.calc-result__primary small{display:block;font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.calc-result__breakdown{margin:18px 0 0;display:grid;gap:8px}
.calc-result__breakdown div{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:8px}
.calc-result__breakdown div span:last-child{color:var(--ink);font-variant-numeric:tabular-nums}

.calc-notes{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.calc-notes li{
  font-size:13px;line-height:1.5;color:var(--ink-2);padding:8px 12px;
  border-left:2px solid var(--warn);background:rgba(232,163,61,.08);border-radius:0 var(--r) var(--r) 0;
}

.calc-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

.calc-diagram{width:100%;height:auto;margin:14px 0}
.calc-diagram text{fill:var(--ink-2);font-size:11px}
.calc-diagram .calc-diagram__dim{stroke:var(--accent);stroke-width:1.2;fill:none}
.calc-diagram .calc-diagram__part{stroke:var(--accent-3);stroke-width:1.5;fill:rgba(240,58,36,.18)}

@media (max-width:619px){
  .calc-field__row{flex-wrap:wrap}
}