/* HeyTobor calculator engine — shared calculator UI. Uses the site tokens from site.css. */
.calc { --calc-minus: var(--warn); margin: 28px 0 8px; background: var(--panel, var(--surface)); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 16px; }
@media (min-width: 720px) { .calc { padding: 22px 24px; } }
.calc button, .calc input, .calc select { font: inherit; color: inherit; }
.calc [hidden] { display: none !important; }

.calc-notice { background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 12px; padding: 10px 14px; margin-bottom: 14px; font-size: .94rem; }
.calc-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-bottom: 16px; }
.calc-seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--surface); }
.calc-seg button { border: 0; background: none; padding: 7px 14px; border-radius: 999px; font-weight: 600; font-size: .9rem; color: var(--ink-2); cursor: pointer; }
.calc-seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.calc-seg.small button { padding: 5px 11px; font-size: .84rem; }
.calc-check { display: inline-flex; align-items: center; gap: 8px; font-size: .94rem; cursor: pointer; }
.calc-check input { width: 18px; height: 18px; accent-color: var(--accent); }

.calc-grid { display: grid; gap: 20px; }
@media (min-width: 900px) {
  .calc-grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: start; }
  .calc-side { position: sticky; top: 108px; }
}
/* phones: rows, then the result, then the drawing */
@media (max-width: 899px) {
  .calc-main { display: contents; }
  .calc-grid > .calc-main > * { order: 1; }
  .calc-side { order: 2; }
  .calc-grid > .calc-main > .calc-drawing { order: 3; }
}

.calc-depth { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin-bottom: 12px; display: grid; gap: 4px; }
.calc-depth small { color: var(--ink-3); font-size: .84rem; }
.calc-section svg { max-width: 100%; height: auto; margin-top: 4px; }

.calc-row { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin-bottom: 10px; }
.calc-row[data-sign="-1"] { border-color: color-mix(in srgb, var(--calc-minus) 45%, var(--line)); background: color-mix(in srgb, var(--calc-minus) 5%, var(--surface)); }
.calc-row.has-error { box-shadow: inset 4px 0 0 var(--calc-minus); }
.calc-row[data-state="excluded"] { opacity: .6; }
.calc-row-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
/* area name: type anything, or ▾ for common names */
.calc-name-wrap { flex: 1 1 150px; min-width: 0; display: flex; align-items: center; position: relative; border: 1px solid transparent; border-radius: 8px; }
.calc-name-wrap:hover, .calc-name-wrap:focus-within { border-color: var(--line); background: var(--bg); }
.calc-name { flex: 1; min-width: 0; border: 0; background: none; padding: 6px 4px 6px 8px; font-weight: 650 !important; outline: none; }
.calc-name::placeholder { color: var(--ink-2); }
.calc-name-pick { flex: none; width: 30px; height: 32px; border: 0; background: none; color: var(--ink-3); cursor: pointer; border-radius: 6px; font-size: .8rem; }
.calc-name-pick:hover, .calc-name-pick[aria-expanded="true"] { color: var(--ink); background: var(--bg-alt); }
.calc-name-menu { position: absolute; top: calc(100% + 4px); left: 0; z-index: 40; min-width: 200px; max-width: min(280px, 80vw); max-height: 280px; overflow-y: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 4px; display: grid; }
.calc-name-opt { border: 0; background: none; text-align: left; padding: 8px 12px; border-radius: 8px; font-size: .94rem !important; cursor: pointer; color: var(--ink); }
.calc-name-opt:hover, .calc-name-opt:focus { background: var(--bg-alt); outline: none; }
.calc-name-opt[aria-selected="true"] { color: var(--accent-ink); font-weight: 650; }
.calc-name-opt.default { color: var(--ink-3); border-bottom: 1px solid var(--line); border-radius: 8px 8px 0 0; margin-bottom: 2px; }
.calc-shape-sel { border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; background: var(--bg); }
.calc-row-tools { display: inline-flex; gap: 2px; margin-left: auto; }
.calc-icon { border: 0; background: none; width: 34px; height: 34px; border-radius: 8px; cursor: pointer; color: var(--ink-3); font-size: 1rem; }
.calc-icon:hover { background: var(--bg-alt); color: var(--ink); }
.calc-lmode { margin-top: 8px; }
.calc-help { font-size: .84rem; color: var(--ink-3); margin: 6px 0 0; line-height: 1.45; }
.calc-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 8px 12px; margin-top: 10px; }
.calc-field { display: grid; gap: 3px; font-size: .84rem; color: var(--ink-2); min-width: 0; }
.calc-input { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.calc-input:focus-within { outline: 2px solid var(--accent); outline-offset: -1px; }
.calc-input input { flex: 1; min-width: 0; width: 100%; border: 0; background: none; padding: 9px 10px; font-size: 1.05rem !important; font-variant-numeric: tabular-nums; outline: none; }
.calc-input input::placeholder { color: var(--ink-3); font-size: .9rem; }
.calc-input em { font-style: normal; color: var(--ink-3); padding-right: 10px; font-size: .88rem; white-space: nowrap; }
.calc-input:has(input[aria-invalid="true"]) { border-color: var(--calc-minus); }
/* US units: feet box + inches box side by side */
.calc-fields.split { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.calc-fi { display: flex; gap: 6px; }
.calc-fi .calc-input { flex: 1 1 0; min-width: 0; }
.calc-fi .calc-input input { padding-right: 4px; }
.calc-input em + .calc-step { margin-left: 2px; }
.calc-input em { padding-right: 6px; }
/* ▲/▼ stepper: click, or press and hold */
.calc-step { display: flex; flex-direction: column; align-self: stretch; border-left: 1px solid var(--line); flex: none; }
.calc-step button { flex: 1; width: 26px; border: 0; padding: 0; background: none; color: var(--ink-3); font-size: 9px; line-height: 1; cursor: pointer; touch-action: manipulation; user-select: none; }
.calc-step button:first-child { border-bottom: 1px solid var(--line); border-top-right-radius: 9px; }
.calc-step button:last-child { border-bottom-right-radius: 9px; }
.calc-step button:hover { background: var(--bg-alt); color: var(--ink); }
.calc-step button:active { background: var(--accent-soft); color: var(--accent-ink); }
/* touch screens: bigger targets */
@media (pointer: coarse) {
  .calc-step button { width: 38px; font-size: 12px; }
  .calc-input input { padding-top: 13px; padding-bottom: 13px; }
  .calc-icon { width: 42px; height: 42px; }
  .calc-name-pick { width: 40px; height: 40px; }
  .calc-name-opt { padding: 11px 14px; }
  .calc-seg.small button { padding: 8px 13px; }
}
.calc-row-foot { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-top: 8px; font-size: .92rem; min-height: 1.4em; }
.calc-row-out { font-weight: 650; font-variant-numeric: tabular-nums; }
.calc-row-err { color: var(--calc-minus); }
.calc-link { border: 0; background: none; padding: 0; color: var(--accent-ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font-size: .9rem; }

.calc-addrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 18px; }
.calc-btn { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 9px 16px; font-weight: 600 !important; font-size: .92rem !important; cursor: pointer; color: var(--ink); }
.calc-btn:hover { border-color: var(--ink); }
.calc-btn.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.calc-btn.primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.calc-btn.ghost { border-color: transparent; color: var(--ink-3); }
.calc-btn:disabled { opacity: .45; cursor: not-allowed; }

.calc-plan { margin: 0; }
.calc-plan svg { display: block; overflow: visible; }
.calc-plan .calc-fill { stroke-width: 1.5; }
.calc-cut { fill: var(--panel, var(--surface)); stroke: none; }
.calc-cut-hatch { fill: url(#calc-hatch); stroke: var(--calc-minus); stroke-width: 1.5; stroke-dasharray: 5 3; }
.calc-plan-name { font: 650 12px/1 var(--font); fill: var(--ink); text-anchor: middle; }
.calc-plan-area { font: 500 11px/1 var(--font); fill: var(--ink-2); text-anchor: middle; font-variant-numeric: tabular-nums; }
.calc-plan-name.minus, .calc-plan-area.minus { fill: var(--calc-minus); }
.calc-plan-legend { list-style: none; margin: 10px 0 4px; padding: 0; font-size: .86rem; display: grid; gap: 3px; max-width: 560px; }
.calc-plan-legend li { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr) auto; gap: 4px 12px; align-items: baseline; color: var(--ink-2); }
.calc-plan-legend li b { color: var(--ink); font-weight: 650; }
.calc-plan-legend li.minus b, .calc-plan-legend li.minus .n { color: var(--calc-minus); }
.calc-plan-legend .n { text-align: right; font-variant-numeric: tabular-nums; }
.calc-plan-legend em { grid-column: 1 / -1; font-style: normal; color: var(--calc-minus); font-size: .82rem; }
.calc-plan-legend li.total { border-top: 1px solid var(--line); padding-top: 4px; margin-top: 2px; }
.calc-plan-legend li.total .n { color: var(--ink); font-weight: 650; }
.calc-minus-tag { color: var(--calc-minus); }
.calc-draw-empty, .calc-draw-note { color: var(--ink-3); font-size: .84rem; margin: 0; flex-basis: 100%; }
.calc-fill { fill: color-mix(in srgb, var(--accent) 16%, transparent); stroke: var(--accent-ink); stroke-width: 1.5; }
.calc-hatch-line { stroke: var(--calc-minus); stroke-width: 1.5; opacity: .55; }
.calc-split { fill: none; stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 4 3; }
.calc-dim { font: 600 11px/1 var(--font); fill: var(--ink-2); text-anchor: middle; }
.calc-dim-left { text-anchor: start; }
.calc-ground { stroke: var(--ink-3); stroke-width: 1.5; }
.calc-arrow { stroke: var(--ink-2); stroke-width: 1.2; }
.calc-ah { fill: var(--ink-2); }

.calc-side { display: grid; gap: 14px; align-content: start; }
.calc-controls:empty { display: none; }
.calc-result { background: color-mix(in srgb, var(--accent) 7%, var(--surface)); border: 2px solid color-mix(in srgb, var(--accent) 45%, var(--line)); border-radius: 18px; padding: 16px 18px; position: relative; box-shadow: var(--shadow); }
.calc-result.partial::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: repeating-linear-gradient(-45deg, transparent 0 14px, color-mix(in srgb, var(--calc-minus) 6%, transparent) 14px 28px); pointer-events: none; }
.calc-alert { margin: 0 0 10px; font-size: .92rem; color: var(--ink-2); }
.calc-alert.bad { color: var(--calc-minus); font-weight: 600; }
.calc-empty { margin: 0; color: var(--ink-3); }
.calc-big { font: 700 clamp(2rem, 6vw, 2.6rem)/1.1 var(--font-display); font-variant-numeric: tabular-nums; margin: 2px 0 4px; }
.calc-label { font: 700 .74rem/1.2 var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.calc-alt { color: var(--ink-2); font-variant-numeric: tabular-nums; margin: 0; }
.calc-lines { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 4px; counter-reset: step; }
.calc-lines li { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 2px 12px; padding: 7px 0 7px 30px; border-top: 1px dashed color-mix(in srgb, var(--accent) 30%, var(--line)); font-variant-numeric: tabular-nums; position: relative; counter-increment: step; }
.calc-lines li::before { content: counter(step); position: absolute; left: 0; top: 7px; width: 21px; height: 21px; border-radius: 50%; background: var(--bg-alt); color: var(--ink-2); font: 700 .74rem/21px var(--font); text-align: center; }
.calc-lines li.skip { color: var(--ink-3); }
.calc-lines li b { font-weight: 650; }
.calc-lines li.buy { border: 0; margin-top: 6px; padding: 12px 14px 12px 44px; border-radius: 12px; background: var(--accent); color: #fff; font-size: 1.02rem; }
.calc-lines li.buy::before { left: 14px; top: 13px; background: rgba(255, 255, 255, .25); color: #fff; }
.calc-lines li.buy b { font: 700 1.5rem/1.1 var(--font-display); white-space: nowrap; }
.calc-lines li.buy small { color: rgba(255, 255, 255, .88); }
.calc-lines small { color: var(--ink-3); display: block; grid-column: 1 / -1; font-size: .84rem; line-height: 1.4; }
.calc-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.calc-share { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px; font-size: .92rem; display: grid; gap: 8px; }
.calc-share p { margin: 0; }
.calc-share-row { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.calc-share-row input[readonly] { flex: 1 1 200px; min-width: 0; border: 1px solid var(--line); border-radius: 8px; padding: 8px; background: var(--bg); font: 12px var(--font-mono) !important; }
.calc-small { color: var(--ink-3); font-size: .84rem !important; }
.calc-how { font-size: .9rem; }
.calc-how summary { cursor: pointer; font-weight: 650; }
.calc-how ul { padding-left: 1.1em; margin: 8px 0 0; color: var(--ink-2); }
.calc-how li { margin: 4px 0; font-variant-numeric: tabular-nums; }
.calc-version { margin: 0; font-size: .8rem; color: var(--ink-3); }
.calc-update { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 50; display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 999px; padding: 8px 8px 8px 18px; font-size: .92rem; width: max-content; max-width: calc(100% - 24px); }
.calc-update span { min-width: 0; }
.calc-update .calc-btn { white-space: nowrap; flex: none; }
@media (max-width: 520px) { .calc-update { left: 12px; right: 12px; transform: none; width: auto; border-radius: 16px; padding: 10px 10px 10px 14px; } .calc-update span { flex: 1; } }

/* settings a page adds above the result (e.g. waste %, package size) */
.calc-opts { background: var(--bg-alt); border: 1.5px dashed color-mix(in srgb, var(--accent) 50%, var(--line)); border-radius: 16px; padding: 12px 16px; }
.calc-opts.is-set { border-style: solid; }
.calc-opts summary { cursor: pointer; font-weight: 650; display: grid; grid-template-columns: auto 1fr auto; column-gap: 8px; row-gap: 2px; align-items: baseline; list-style: none; }
.calc-opts summary::-webkit-details-marker { display: none; }
.calc-opts summary::before { content: "🛒"; grid-column: 1; grid-row: 1; }
.calc-opts-title { grid-column: 2; grid-row: 1; }
.calc-opts summary::after { content: "+"; grid-column: 3; grid-row: 1; color: var(--ink-3); font-weight: 400; font-size: 1.2rem; line-height: 1; }
.calc-opts[open] summary::after { content: "−"; }
.calc-opts-now { grid-column: 2; grid-row: 2; font-weight: 600; font-size: .84rem; color: var(--accent-ink); }
.calc-opts-now:empty { display: none; }
.calc-opts .calc-fields { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.calc-opts p { font-size: .86rem; color: var(--ink-3); margin: 8px 0 0; }

/* printout: only the result, the shopping list and the ledger */
.calc-print { display: none; }
@media print {
  html.calc-page body > :not(.calc-print) { display: none !important; }
  html.calc-page .calc-print { display: block; color: #000; font: 11pt/1.45 var(--font); }
  .calc-print header { display: flex; flex-wrap: wrap; gap: 4px 18px; border-bottom: 1.5pt solid #000; padding-bottom: 6pt; margin-bottom: 10pt; }
  .calc-print header b { font-size: 14pt; flex-basis: 100%; }
  .calc-print table { border-collapse: collapse; width: 100%; margin-bottom: 12pt; }
  .calc-print th, .calc-print td { text-align: left; padding: 3pt 8pt 3pt 0; border-bottom: .5pt solid #999; vertical-align: top; }
  .calc-print-lines th { width: 45%; font-weight: 600; }
  .calc-print-list { list-style: none; padding: 0; margin: 0 0 12pt; }
  .calc-print-list li { padding: 3pt 0; }
  .calc-print-list .box { font-size: 13pt; }
}