/* Layout planner beside the fit-out cost calculator (homepage). Markup: tools/partials/layout-planner.html,
   behaviour: js/officea-planner.js. Uses the site's own tokens so light and dark themes both work.
   App-style: soft cards, iOS-style segmented controls and steppers, blueprint-dot plan sheet. */
#calculator .calc:has(.calc-right) { --pl-r: 20px; --pl-shadow: 0 1px 2px rgba(22,24,26,.05), 0 10px 30px rgba(22,24,26,.08); gap: 18px; }
@media (min-width: 800px) { #calculator .calc:has(.calc-right) { grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); align-items: start; } }
#calculator .calc:has(.calc-right) .calc-inputs, #calculator .pl-plan {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--pl-r); box-shadow: var(--pl-shadow); padding: 20px; min-width: 0; }
#calculator .calc:has(.calc-right) .calc-inputs { gap: 16px; }
#calculator .calc-inputs label { font-weight: 600; }

/* iOS-style segmented control with a sliding thumb */
#calculator .pl-mode { border: 0; margin: 0; padding: 0; min-width: 0; }
#calculator .pl-mode legend { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; color: var(--ink); margin-bottom: 10px; padding: 0; }
#calculator .pl-seg { position: relative; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; background: var(--paper); border: 1px solid var(--line); border-radius: 13px; padding: 3px; }
#calculator .pl-seg::before { content: ""; position: absolute; top: 3px; bottom: 3px; left: 3px; width: calc((100% - 6px) / var(--n, 2)); background: var(--brass); border-radius: 10px; box-shadow: 0 2px 8px rgba(126,96,45,.35); transform: translateX(calc(var(--i, 0) * 100%)); transition: transform .28s cubic-bezier(.32,.72,0,1); }
#calculator .pl-seg label { position: relative; margin: 0; cursor: pointer; display: block; }
#calculator .pl-seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
#calculator .pl-seg span { display: flex; align-items: center; justify-content: center; min-height: 40px; padding: 0 10px; font-size: .9rem; font-weight: 600; color: var(--muted); border-radius: 10px; text-align: center; transition: color .2s; }
#calculator .pl-seg input:checked + span { color: var(--brass-ink); }
#calculator .pl-seg input:focus-visible + span { outline: 3px solid var(--brass); outline-offset: 2px; }
#calculator .pl-seg:has(label:nth-child(2) input:checked) { --i: 1; }
#calculator .pl-seg:has(label:nth-child(3) input:checked) { --i: 2; }
#calculator .pl-seg:has(label:nth-child(3)) { --n: 3; }
#calculator .pl-seg-s span { white-space: nowrap; min-height: 34px; font-size: .82rem; padding: 0 8px; }

/* steppers */
#calculator .pl-controls { display: grid; gap: 4px; }
#calculator .pl-controls[hidden] { display: none; }
#calculator .pl-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
#calculator .pl-line > label, #calculator .pl-lab { margin: 0; font-size: .95rem; font-weight: 600; color: var(--ink); }
#calculator .pl-step { display: flex; align-items: center; gap: 4px; }
#calculator .pl-step button { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-size: 1.2rem; line-height: 1; cursor: pointer; display: grid; place-items: center; padding: 0; transition: transform .12s ease, background-color .15s; }
#calculator .pl-step button:hover { background: var(--brass); color: var(--brass-ink); border-color: var(--brass); }
#calculator .pl-step button:active { transform: scale(.9); }
#calculator .pl-step button:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }
#calculator .pl-step input[type="number"] { width: 64px; min-height: 36px; border: 0; background: transparent; text-align: center; font-family: var(--serif); font-size: 1.35rem; font-weight: 600; color: var(--ink); padding: 0; -moz-appearance: textfield; }
#calculator .pl-step input::-webkit-outer-spin-button, #calculator .pl-step input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
#calculator .pl-controls input[type="range"] { width: 100%; accent-color: var(--brass); margin: 4px 0 2px; }
#calculator .pl-controls .calc-fine { margin: 8px 0 0; }

/* plan card */
#calculator .calc-right { display: grid; gap: 18px; align-content: start; min-width: 0; }
#calculator .pl-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
#calculator .pl-h { margin: 0; font-family: var(--serif); font-size: 1.1rem; font-weight: 600; color: var(--ink); }
#calculator .pl-chip { font-size: .78rem; font-weight: 700; color: var(--accent); background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; }
#calculator .pl-sheet { border: 1px solid var(--line); border-radius: 14px; padding: 8px; background-color: var(--paper); background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 14px 14px; }
#calculator .pl-sheet svg { display: block; width: 100%; height: auto; }
#pl-svg.pl-pop { animation: plPop .45s cubic-bezier(.32,.72,0,1); transform-origin: 50% 50%; }
@keyframes plPop { from { opacity: .35; transform: scale(.985); } to { opacity: 1; transform: none; } }
#pl-svg .wall { fill: none; stroke: var(--ink); stroke-width: 2.4; }
#pl-svg .rm { stroke: var(--ink); stroke-opacity: .55; stroke-width: .8; }
#pl-svg .rm.k-cabin { fill: var(--brass); fill-opacity: .22; }
#pl-svg .rm.k-meet { fill: var(--brass); fill-opacity: .5; }
#pl-svg .rm.k-sup { fill: var(--ink); fill-opacity: .09; }
#pl-svg .zone { fill: none; stroke: var(--line); stroke-dasharray: 3 3; }
#pl-svg .desk { fill: var(--brass); fill-opacity: .16; stroke: var(--brass); stroke-width: .8; }
#pl-svg .desks-many { fill: url(#pl-hatch); stroke: var(--brass); stroke-width: .8; color: var(--brass); }
#pl-svg text { font-family: var(--body); fill: var(--ink); }
#pl-svg .lbl { font-size: 8.5px; font-weight: 600; text-anchor: middle; dominant-baseline: middle; }
#pl-svg .dim { font-size: 8px; fill: var(--muted); text-anchor: middle; }
#pl-svg .dimline { stroke: var(--muted); stroke-width: .8; }
#calculator .pl-legend { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 10px 0 0; padding: 0; font-size: .75rem; color: var(--muted); }
#calculator .pl-legend li { display: flex; align-items: center; gap: 6px; }
#calculator .pl-legend i { width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--ink); display: inline-block; }
#calculator .pl-legend .k-cabin { background: rgba(176,138,78,.22); }
#calculator .pl-legend .k-meet { background: rgba(176,138,78,.5); }
#calculator .pl-legend .k-sup { background: rgba(127,127,127,.18); }
#calculator .pl-legend .k-desk { background: rgba(176,138,78,.16); border-color: var(--brass); }
#calculator .pl-incl { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
#calculator .pl-incl-h { margin: 0 0 6px; font-weight: 700; font-size: .88rem; color: var(--ink); }
#calculator #pl-brief { list-style: none; margin: 0 0 6px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 14px; font-size: .86rem; color: var(--ink); }
#calculator #pl-brief li { position: relative; padding-left: 16px; }
#calculator #pl-brief li::before { content: ""; position: absolute; left: 0; top: .5em; width: 7px; height: 7px; border-radius: 50%; background: var(--brass); }
#calculator #pl-note { margin: 0; }

/* area mode card + cost card */
#calculator .calc:has(.calc-right) .areaslide { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
#calculator .calc:has(.calc-right) .areaslide-top input[type="number"] { border: 0; background: transparent; font-family: var(--serif); font-size: 1.35rem; font-weight: 600; min-height: 36px; }
#calculator .calc:has(.calc-right) .calc-out { border-radius: var(--pl-r); padding: 22px; background: linear-gradient(160deg, #1D1F22 0%, #121315 100%); box-shadow: 0 14px 36px rgba(22,24,26,.28); }
#calculator .calc:has(.calc-right) .calc-out .figure { font-size: 42px; letter-spacing: -.01em; }
#calculator .calc:has(.calc-right) .calc-out .range { font-size: .92rem; }
#calculator .calc:has(.calc-right) .calc-lead input { border-radius: 12px; min-height: 44px; }
#calculator .calc:has(.calc-right) .calc-lead .btn { border-radius: 12px; min-height: 44px; }
#calculator .pl-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
#calculator .calc-lead form#plform { flex-wrap: wrap; }
#calculator .calc-lead form#plform input { flex: 1 1 150px; }
#calculator [hidden] { display: none !important; }
@media (max-width: 640px) {
  #calculator .pl-line:has(.pl-seg) { flex-direction: column; align-items: stretch; gap: 8px; }
  #calculator .calc:has(.calc-right) .calc-inputs, #calculator .pl-plan { padding: 16px; }
  #calculator #pl-brief { grid-template-columns: 1fr; }
  #calculator .calc:has(.calc-right) .calc-out .figure { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  #calculator .pl-seg::before, #calculator .pl-step button, #calculator .pl-seg span { transition: none; }
  #pl-svg.pl-pop { animation: none; }
}