/* Shared Wamatex tokens and locally hosted Manrope come from styles.css. */
.calc-main { max-width: 1440px; }
.calc-header .text-link { font-size: 14px; }
.calc-nav { display: flex; gap: 8px; flex-wrap: wrap; margin: 24px 0 40px; }
.calc-nav a { padding: 12px 24px; border-radius: var(--radius-pill); border: 1px solid var(--line); font-size: 14px; transition: background var(--fast) var(--ease), color var(--fast) var(--ease); }
.calc-nav a[aria-current] { background: var(--ink); color: var(--white); border-color: var(--ink); }

.calc-intro { margin-bottom: 40px; }
.calc-intro .eyebrow { color: var(--accent); margin-bottom: 16px; }
.calc-intro h1 { max-width: 880px; font-size: 60px; line-height: 1; letter-spacing: -.055em; margin-bottom: 24px; }
.calc-intro > p:last-child { max-width: 680px; color: var(--muted); font-size: 18px; line-height: 28px; }
.calc-workspace { display: grid; grid-template-columns: minmax(300px, .8fr) minmax(0, 1.6fr); gap: 24px; align-items: start; }
.calc-panel { padding: 32px; border-radius: var(--radius-image); background: var(--white); }
.calc-panel h2, .calc-formula h2, .calc-layout h2 { font-size: 24px; line-height: 32px; letter-spacing: -.035em; margin-bottom: 16px; }
.calc-field { display: flex; flex-direction: column; gap: 8px; margin-top: 24px; min-width: 0; font-size: 14px; }
.calc-field > label, .calc-field > span { font-weight: 600; }
.calc-field select, .calc-input { width: 100%; min-height: 48px; border: 1px solid var(--muted); border-radius: var(--radius-control); background: var(--paper); color: var(--ink); }
.calc-field select { font: inherit; padding: 12px; cursor: pointer; }
.calc-input { display: flex; align-items: center; padding-right: 16px; gap: 8px; }
.calc-input input { min-width: 0; width: 100%; padding: 12px 16px; border: 0; background: transparent; border-radius: var(--radius-control); color: var(--ink); font-size: 16px; }
.calc-input span { white-space: nowrap; color: var(--muted); }
.calc-input:has([aria-invalid="true"]) { border-color: var(--accent); }
.calc-input:focus-within { outline: 2px solid var(--accent); outline-offset: 3px; }
.calc-input input:focus-visible { outline: none; }
.calc-field select:disabled { opacity: .5; cursor: not-allowed; }
.calc-error { font-size: 12px; line-height: 16px; color: var(--accent); }
.calc-error:empty { display: none; }
.calc-help { font-size: 14px; color: var(--muted); }
.calc-panel > .calc-help:last-child { margin-top: 24px; }
.calc-field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.calc-modes { border: 0; padding: 0; margin: 24px 0; display: grid; gap: 8px; }
.calc-modes label { display: flex; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-control); font-size: 14px; cursor: pointer; }
.calc-modes label:has(:checked) { background: var(--paper); border-color: var(--accent); }
.calc-modes input, .calc-check input { accent-color: var(--accent); width: 16px; height: 16px; flex-shrink: 0; }
.calc-check { display: flex; gap: 8px; align-items: center; font-size: 14px; margin-top: 16px; cursor: pointer; }
.calc-cut { padding: 24px; background: var(--surface); border-radius: 16px; margin-top: 24px; }
.calc-cut > span { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.calc-cut strong { display: block; margin: 8px 0; font-size: 24px; font-weight: 500; }
.calc-cut p { font-size: 12px; color: var(--muted); }
.calc-output-panel { min-width: 0; background: var(--surface); border-radius: var(--radius-image); overflow: hidden; }
.calc-result { padding: 40px; background: var(--ink); color: var(--white); }
.calc-result > strong { display: block; font-size: 60px; line-height: 1; font-weight: 500; letter-spacing: -.04em; margin: 24px 0; overflow-wrap: anywhere; }
.calc-result strong small { font-size: 30px; }
.calc-result p { font-size: 14px; color: #e2e3dc; }
.calc-result .calc-result-note { margin-top: 16px; }
.calc-result .calc-empty-title { font-size: 30px; line-height: 36px; }
.calc-formula, .calc-layout { padding: 32px 40px; }
.calc-formula p { margin-bottom: 16px; }
.calc-formula .eyebrow { margin-bottom: 24px; }
.calc-layout:empty { display: none; }
.calc-layout .eyebrow { margin-bottom: 12px; }
.calc-layout > p { font-size: 14px; }
.calc-roll-label { display: block; text-align: center; font-size: 12px; margin: 24px 0 12px; }
.calc-roll { display: flex; min-height: 176px; border: 1px solid var(--muted); border-radius: var(--radius-section); overflow: hidden; background: var(--paper); }
.calc-pieces { display: grid; flex-shrink: 0; }
.calc-piece { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px; padding: 8px; background: var(--accent); color: white; border: 1px solid var(--paper); min-width: 0; text-align: center; }
.calc-piece b { font-size: 14px; font-weight: 500; }
.calc-piece span { font-size: 12px; }
.calc-waste { flex: 1; min-width: 0; background: repeating-linear-gradient(135deg, transparent 0 6px, var(--line) 6px 7px); }
.calc-legend { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 16px; font-size: 12px; color: var(--muted); }
.calc-legend span:first-child { color: var(--accent); }
.calc-comparison { margin-top: 64px; }
.calc-section-heading { margin-bottom: 32px; }
.calc-section-heading h2 { font-size: 36px; line-height: 40px; margin: 16px 0; }
.calc-section-heading > p:last-child { color: var(--muted); }
.calc-width-results { display: grid; gap: 12px; }
.calc-width-row { display: grid; grid-template-columns: minmax(100px, .7fr) minmax(130px, 1fr) minmax(160px, 1.2fr) auto; align-items: center; gap: 24px; padding: 24px; background: white; border: 1px solid transparent; border-radius: 16px; }
.calc-width-row.is-active { border-color: var(--accent); }
.calc-width-row.is-impossible { background: var(--surface); }
.calc-width-row strong, .calc-width-row small { display: block; }
.calc-width-row strong { font-weight: 500; font-size: 20px; }
.calc-width-row small, .calc-width-row p, .calc-width-row > div > span { font-size: 12px; color: var(--muted); }
.calc-width-row .calc-best { color: var(--accent); font-size: 12px; margin-top: 4px; }
.calc-width-row button { border: 1px solid var(--line); border-radius: var(--radius-pill); background: var(--paper); padding: 12px 16px; font-size: 14px; transition: background var(--fast) var(--ease), color var(--fast) var(--ease); }
.calc-width-row button[aria-pressed="true"] { background: var(--ink); color: white; }

.calc-width-row.is-impossible p { grid-column: 2 / -1; font-size: 14px; }
.calc-orientations { margin-top: 32px; }
.calc-orientations summary { padding: 16px 0; cursor: pointer; font-weight: 600; }
.calc-orientations summary span { color: var(--muted); font-weight: 400; margin-left: 8px; }
.calc-orientation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 16px; }
.calc-orientation { border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.calc-orientation.is-selected { border-color: var(--accent); }
.calc-orientation h3 { font-size: 20px; margin-bottom: 8px; }
.calc-orientation > p { font-size: 14px; color: var(--muted); }
.calc-orientation .calc-best { color: var(--accent); margin-bottom: 8px; }
.calc-orientation dl { margin: 24px 0 0; }
.calc-orientation dl > div { display: flex; justify-content: space-between; gap: 16px; margin-top: 8px; font-size: 14px; }
.calc-orientation dt { color: var(--muted); }
.calc-orientation dd { margin: 0; text-align: right; }
.calc-notice { font-size: 14px; color: var(--muted); margin-top: 24px; max-width: 880px; }
.calc-contact { display: flex; justify-content: space-between; align-items: center; gap: 32px; margin: 80px 0 64px; }
.calc-contact h2 { max-width: 680px; font-size: 36px; line-height: 40px; margin-bottom: 16px; }
.calc-contact p { color: var(--muted); }
.calc-contact a { flex-shrink: 0; }
.calc-footer { padding-block: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--muted); background: var(--surface); }
@media (max-width: 1023px) {
  .calc-workspace { grid-template-columns: minmax(280px, 1fr) minmax(0, 1.4fr); }
  .calc-panel, .calc-result, .calc-layout, .calc-formula { padding: 24px; }
  .calc-result > strong { font-size: 48px; }
  .calc-contact { align-items: start; flex-direction: column; }
}
@media (max-width: 767px) {
  .calc-header { gap: 16px; }
  .calc-header .brand img { width: 128px; }
  .calc-header .text-link { font-size: 12px; }
  .calc-nav { margin: 16px 0 32px; gap: 8px; }
  .calc-nav a { padding: 12px; font-size: 12px; }
  .calc-intro h1 { font-size: 36px; line-height: 40px; }
  .calc-intro > p:last-child { font-size: 16px; line-height: 24px; }
  .calc-workspace { grid-template-columns: 1fr; }
  .calc-width-row { grid-template-columns: 1fr 1fr; gap: 16px; }
  .calc-width-row button { justify-self: start; }
  .calc-width-row.is-impossible p { grid-column: auto; }
  .calc-orientation-grid { grid-template-columns: 1fr; gap: 16px; }
  .calc-section-heading h2, .calc-contact h2 { font-size: 30px; line-height: 36px; }
  .calc-roll { min-height: 144px; }
  .calc-contact { margin: 64px 0 48px; }
  .calc-orientations summary span { display: block; margin: 8px 0 0; }
}

/* Feedback shares the website's easing; pointer interactions stay under 300 ms. */
.calc-result strong { font-variant-numeric: tabular-nums; }
.calc-roll { isolation: isolate; }
.calc-piece:first-child { border-top-left-radius: calc(var(--radius-section) - 2px); border-bottom-left-radius: calc(var(--radius-section) - 2px); }
.calc-pieces { overflow: hidden; border-radius: calc(var(--radius-section) - 2px); }
.calc-modes { position: relative; isolation: isolate; grid-auto-rows: 1fr; }
.calc-modes::before { content: ''; position: absolute; inset: 0 0 auto; height: calc((100% - 8px) / 2); border: 1px solid var(--accent); border-radius: var(--radius-control); background: var(--paper); pointer-events: none; z-index: -1; transition: transform var(--accordion-duration) var(--ease); }
.calc-modes[data-mode="produced"]::before { transform: translateY(calc(100% + 8px)); }
.calc-modes label:has(:checked) { background: transparent; border-color: transparent; }
.calc-modes label, .calc-input, .calc-field select { transition: border-color var(--fast) var(--ease), background-color var(--fast) var(--ease); }
.calc-input:focus-within, .calc-field select:focus { background: var(--white); }
.calc-nav a, .calc-width-row button { transition: transform 160ms var(--ease), background-color var(--fast) var(--ease), color var(--fast) var(--ease); }
.calc-width-row { transition: border-color var(--fast) var(--ease), background-color var(--fast) var(--ease); }
.calc-width-row.is-active { background: var(--paper); }
.calc-orientations summary { list-style: none; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.calc-orientations summary::-webkit-details-marker { display: none; }
.calc-orientations summary::after { content: ''; width: 8px; height: 8px; margin-left: auto; margin-right: 4px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); transition: transform var(--accordion-duration) var(--ease); }
.calc-orientations summary[aria-expanded="true"]::after { transform: rotate(225deg); }
@media (hover: hover) and (pointer: fine) {
  .calc-nav a:not([aria-current]):hover { background: var(--surface); transform: translateY(-2px); }
  .calc-width-row button:hover { background: var(--ink); color: white; transform: translateY(-2px); }
  .calc-modes label:hover, .calc-field select:not(:disabled):hover, .calc-input:hover { border-color: var(--accent); }
}
.calculator-page:not([data-keyboard="true"]) .calc-nav a:active,
.calculator-page:not([data-keyboard="true"]) .calc-width-row button:active { transform: scale(.97); }
.calculator-page[data-keyboard="true"] .calc-modes::before,
.calculator-page[data-keyboard="true"] .calc-orientations summary::after { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .calc-modes::before, .calc-orientations summary::after { transition: none; }
  .calculator-page .calc-nav a, .calculator-page .calc-width-row button { transform: none !important; transition: background-color var(--fast) var(--ease), color var(--fast) var(--ease); }
}