/* drywallcalculator.app — a quiet, self-contained purchasing workbench. */
:root {
  --bg: #eeeae3;
  --bg-soft: #e4e0d8;
  --panel: #fffdfa;
  --panel-2: #f5f2ec;
  --ink: #20252b;
  --ink-soft: #56606b;
  --ink-faint: #5f6b75;
  --line: #ded9d0;
  --line-strong: #b9b7b1;
  --accent: #2868ad;
  --accent-ink: #fff;
  --accent-soft: #e7f0f8;
  --amber: #b97818;
  --amber-soft: #f5e7ca;
  --good: #28714d;
  --danger: #ae3838;
  --shadow: 0 1px 2px rgba(32, 37, 43, .05);
  --radius: 10px;
  --radius-sm: 6px;
  --maxw: 1320px;
  --ff: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111416;
    --bg-soft: #191d20;
    --panel: #1b2023;
    --panel-2: #22282c;
    --ink: #edf0ee;
    --ink-soft: #b7c0c1;
    --ink-faint: #8f9a9d;
    --line: #333a3e;
    --line-strong: #4c565a;
    --accent: #6ba9e6;
    --accent-ink: #101921;
    --accent-soft: #203342;
    --amber: #e0aa52;
    --amber-soft: #3b2e1d;
    --good: #6fca99;
    --danger: #f17a7a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
  }
}
:root[data-theme="light"] {
  --bg: #eeeae3; --bg-soft: #e4e0d8; --panel: #fffdfa; --panel-2: #f5f2ec;
  --ink: #20252b; --ink-soft: #56606b; --ink-faint: #5f6b75; --line: #ded9d0; --line-strong: #b9b7b1;
  --accent: #2868ad; --accent-ink: #fff; --accent-soft: #e7f0f8; --amber: #b97818; --amber-soft: #f5e7ca;
  --good: #28714d; --danger: #ae3838; --shadow: 0 1px 2px rgba(32,37,43,.05);
}
:root[data-theme="dark"] {
  --bg: #111416; --bg-soft: #191d20; --panel: #1b2023; --panel-2: #22282c;
  --ink: #edf0ee; --ink-soft: #b7c0c1; --ink-faint: #8f9a9d; --line: #333a3e; --line-strong: #4c565a;
  --accent: #6ba9e6; --accent-ink: #101921; --accent-soft: #203342; --amber: #e0aa52; --amber-soft: #3b2e1d;
  --good: #6fca99; --danger: #f17a7a; --shadow: 0 1px 2px rgba(0,0,0,.3);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.2; }
button, input, select { font: inherit; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 30; padding: 10px 14px; border-radius: 6px; color: var(--accent-ink); background: var(--accent); }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.anchor-target { scroll-margin-top: 18px; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw); margin: 0 auto; padding: 18px 24px 14px;
}
.brand { display: inline-flex; align-items: center; gap: 2px; color: var(--ink); font-size: 18px; font-weight: 800; }
.brand:hover { text-decoration: none; }
.brand > span:last-child { color: var(--accent); }
.brand-mark {
  width: 19px; height: 22px; margin-right: 8px; border: 2px solid var(--accent); border-radius: 3px;
  background: linear-gradient(135deg, transparent 46%, var(--amber) 46% 54%, transparent 54%), var(--panel);
}
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px;
  border: 1px solid var(--line-strong); border-radius: 7px; color: var(--ink); background: var(--panel); cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.theme-icon-dark { display: none; }
:root[data-theme="dark"] .theme-icon-light { display: none; }
:root[data-theme="dark"] .theme-icon-dark { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-light { display: none; }
  :root:not([data-theme="light"]) .theme-icon-dark { display: inline; }
}

main { max-width: var(--maxw); margin: 0 auto; padding: 8px 24px 0; }
.hero { margin: 2px 0 18px; }
.hero h1 { margin: 0 0 3px; font-size: clamp(1.55rem, 3vw, 2.15rem); letter-spacing: -.035em; }
.tagline { margin: 0; color: var(--ink-soft); max-width: 72ch; }

.calc {
  display: grid; grid-template-columns: minmax(0, 1fr); align-items: start;
  overflow: visible; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
}
.panel { min-width: 0; padding: 22px 24px; }
.estimate-overview { order: 0; }
.panel--inputs { order: 1; }
.panel--output { order: 2; }
@media (min-width: 900px) {
  .calc { grid-template-columns: minmax(320px, 380px) minmax(0, 1fr); }
  .estimate-overview {
    grid-column: 2; grid-row: 1; position: sticky; top: 0; z-index: 4;
    border-bottom: 1px solid var(--line); background: var(--panel);
  }
  .panel--inputs {
    grid-column: 1; grid-row: 1 / span 2; border-right: 1px solid var(--line);
  }
  .panel--output { grid-column: 2; grid-row: 2; border-top: 1px solid var(--line); }
}

.fieldset { container-type: inline-size; border: 0; margin: 0; padding: 0; }
.fieldset > legend { margin: 0 0 13px; padding: 0; color: var(--ink-faint); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.field { min-width: 0; margin: 0 0 11px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(128px, 1fr)); gap: 10px; }
.field-label { display: block; margin: 0 0 5px; color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.input {
  width: 100%; min-height: 39px; padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  color: var(--ink); background: var(--panel-2); font-size: 15px; -moz-appearance: textfield;
}
.input:focus { border-color: var(--accent); background: var(--panel); }
.input[aria-invalid="true"] { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 6%, var(--panel)); }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .input { padding-right: 43px; }
.input-wrap.has-left .input { padding-left: 27px; padding-right: 61px; }
.field-unit, .adorn { position: absolute; right: 10px; color: var(--ink-faint); font-size: 12px; pointer-events: none; }
.adorn-left { right: auto; left: 10px; color: var(--ink-soft); font-weight: 700; }
.select-wrap { position: relative; }
.select-wrap::after { content: ""; position: absolute; right: 12px; top: 50%; width: 7px; height: 7px; border-right: 2px solid var(--ink-faint); border-bottom: 2px solid var(--ink-faint); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
select.input { padding-right: 32px; appearance: none; -webkit-appearance: none; cursor: pointer; }
.field-hint, .shopping-hint { margin: 6px 0 0; color: var(--ink-faint); font-size: 12px; }
.field-error { margin: 4px 0 0; color: var(--danger); font-size: 12px; line-height: 1.3; }

.rooms { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin: 0 0 14px; color: var(--ink-soft); font-size: 13px; }
.room-single { color: var(--ink); font-weight: 750; }
.room-separator { color: var(--ink-faint); }
.room-entry { display: inline-flex; align-items: center; }
.room-tab, .room-add, .room-remove {
  border: 0; color: var(--accent); background: transparent; cursor: pointer; font-size: 13px; font-weight: 700;
}
.room-tab { padding: 3px 0; }
.room-tab.is-active { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.room-remove { margin-left: 4px; color: var(--ink-faint); font-size: 16px; line-height: 1; }
.room-remove:hover { color: var(--danger); }
.room-add { padding: 3px 0; }
.room-project-note { color: var(--ink-faint); font-size: 12px; }

.mode-selector {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px; margin: 0 0 15px; padding: 3px;
  border: 1px solid var(--line); border-radius: 7px; background: var(--panel-2);
}
.mode-selector label { position: relative; cursor: pointer; text-align: center; }
.mode-selector input { position: absolute; inset: 0; opacity: 0; }
.mode-selector span { display: block; padding: 7px 6px; border: 1px solid transparent; border-radius: 4px; color: var(--ink-soft); font-size: 13px; font-weight: 750; }
.mode-selector input:checked + span { border-color: var(--line-strong); color: var(--ink); background: var(--panel); }
.mode-selector input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }

.switch-row { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin: 4px 0 12px; }
.switch { display: inline-flex; align-items: center; gap: 9px; color: var(--ink-soft); cursor: pointer; font-size: 13px; font-weight: 700; }
.switch input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.switch-track { position: relative; flex: none; width: 38px; height: 22px; border-radius: 999px; background: var(--line-strong); }
.switch-track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform .14s ease; }
.switch input:checked + .switch-track { background: var(--accent); }
.switch input:checked + .switch-track::after { transform: translateX(16px); }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--accent); outline-offset: 2px; }

.input-disclosure { margin-top: 15px; border-top: 1px solid var(--line); }
.input-disclosure > summary {
  display: flex; align-items: baseline; gap: 10px; padding: 12px 1px; list-style: none; color: var(--ink); cursor: pointer; font-size: 14px; font-weight: 750;
}
.input-disclosure > summary::-webkit-details-marker { display: none; }
.input-disclosure > summary::before { content: "+"; color: var(--accent); }
.input-disclosure[open] > summary::before { content: "−"; }
.input-disclosure > summary span:first-child { margin-right: auto; }
.disclosure-value { color: var(--ink-faint); font-size: 11px; font-weight: 650; text-align: right; }
.disclosure-body { padding: 1px 1px 4px; }
.advanced { margin: 2px 0 10px; }
.advanced > summary { padding: 3px 0; color: var(--accent); cursor: pointer; font-size: 12px; font-weight: 700; list-style: none; }
.advanced > summary::-webkit-details-marker { display: none; }
.advanced > summary::before { content: "+ "; }
.advanced[open] > summary::before { content: "− "; }

.overview-label { margin: 0 0 2px; color: var(--ink-faint); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.overview-primary { display: flex; align-items: baseline; gap: 8px; margin: 0 0 10px; }
.overview-primary strong { color: var(--ink); font-size: clamp(3rem, 6vw, 4.1rem); font-weight: 850; line-height: .95; letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.overview-primary span { color: var(--ink-soft); font-size: 16px; font-weight: 750; }
.overview-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding-top: 10px; border-top: 1px solid var(--line); }
.overview-metrics div { min-width: 0; scroll-margin-top: 15px; }
.overview-metrics span { display: block; color: var(--ink-faint); font-size: 11px; }
.overview-metrics strong { display: block; color: var(--ink); font-size: 17px; line-height: 1.25; font-variant-numeric: tabular-nums; }
.materials-snapshot { display: flex; align-items: baseline; gap: 10px; margin-top: 12px; padding: 8px 10px; border-left: 2px solid var(--accent); background: var(--panel-2); }
.materials-snapshot span { flex: none; color: var(--ink-faint); font-size: 11px; font-weight: 750; text-transform: uppercase; letter-spacing: .05em; }
.materials-snapshot strong { color: var(--ink); font-size: 13px; font-weight: 750; }
.overview-note { margin: 9px 0 0; color: var(--ink-faint); font-size: 12px; }
.estimate-overview.is-emphasis { background: linear-gradient(90deg, var(--accent-soft), var(--panel) 42%); }
.estimate-overview.is-updated { animation: estimate-feedback .18s ease-out; }
@keyframes estimate-feedback { from { background: var(--accent-soft); } to { background: var(--panel); } }

.results-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 15px; }
.btn {
  min-height: 38px; padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  color: var(--ink); background: var(--panel-2); cursor: pointer; font-size: 13px; font-weight: 750;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { cursor: not-allowed; opacity: .55; }
.btn-primary { border-color: var(--accent); color: var(--accent-ink); background: var(--accent); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-small { min-height: 34px; padding: 6px 11px; font-size: 12px; }
.more-actions { position: relative; }
.more-actions > summary { list-style: none; }
.more-actions > summary::-webkit-details-marker { display: none; }
.more-actions-menu {
  position: absolute; z-index: 8; top: calc(100% + 5px); right: 0; min-width: 158px; display: grid; gap: 3px;
  padding: 5px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); box-shadow: 0 7px 22px rgba(32,37,43,.16);
}
.more-actions-menu .btn { width: 100%; border-color: transparent; background: transparent; text-align: left; }

.shopping-details, .layout-details { border-top: 1px solid var(--line); }
.shopping-details > summary, .layout-details > summary {
  display: flex; align-items: baseline; gap: 12px; padding: 14px 1px; list-style: none; cursor: pointer; font-size: 15px; font-weight: 800;
}
.shopping-details > summary::-webkit-details-marker, .layout-details > summary::-webkit-details-marker { display: none; }
.shopping-details > summary::before, .layout-details > summary::before { content: "+"; color: var(--accent); }
.shopping-details[open] > summary::before, .layout-details[open] > summary::before { content: "−"; }
.shopping-details > summary strong { margin-left: auto; color: var(--ink-faint); font-size: 12px; }
.shopping-details-body, .layout-details-body { padding: 0 1px 4px; }

.material-list { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 13px; }
.material-list th { padding: 6px 6px; border-bottom: 1px solid var(--line); color: var(--ink-faint); font-size: 10px; font-weight: 800; letter-spacing: .06em; text-align: left; text-transform: uppercase; }
.material-list th:first-child { width: 48%; }
.material-list th:nth-child(2) { width: 16%; }
.material-list th:nth-child(3) { width: 18%; }
.material-list th:nth-child(4) { width: 18%; }
.material-list th.num, .mi-qty, .mi-price, .mi-total { text-align: right; }
.material-list td { padding: 9px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.material-list tr:last-child td { border-bottom: 0; }
.mi-label { display: block; font-weight: 750; }
.mi-detail { display: block; color: var(--ink-faint); font-size: 11px; line-height: 1.3; }
.mi-qty-num { font-weight: 800; font-variant-numeric: tabular-nums; }
.mi-unit { display: block; color: var(--ink-faint); font-size: 11px; line-height: 1.25; }
.mi-total { white-space: nowrap; font-weight: 800; font-variant-numeric: tabular-nums; }
.shopping-check { display: flex; align-items: flex-start; gap: 7px; cursor: pointer; }
.shopping-check input { flex: none; margin: 3px 0 0; accent-color: var(--accent); }
.shopping-check input:checked + span { opacity: .55; text-decoration: line-through; }
.price-wrap { display: inline-flex; align-items: center; gap: 1px; }
.price-prefix { color: var(--ink-faint); font-size: 12px; }
.price-input { width: 55px; padding: 5px 5px; border: 1px solid var(--line-strong); border-radius: 5px; color: var(--ink); background: var(--panel-2); font-size: 12px; text-align: right; }
.price-input:focus { border-color: var(--accent); background: var(--panel); }
.shopping-settings { display: flex; align-items: end; flex-wrap: wrap; gap: 18px; margin-top: 15px; padding-top: 14px; border-top: 1px solid var(--line); }
.shopping-settings .field { width: 170px; margin: 0; }
.labor-control { min-height: 39px; display: flex; align-items: center; }
.cost-check { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px 18px; margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--line); }
.cost-check > div { display: flex; justify-content: space-between; gap: 10px; color: var(--ink-soft); font-size: 12px; }
.cost-check strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.cost-check-total { grid-column: 1 / -1; align-items: baseline; padding-top: 9px; border-top: 1px solid var(--line); font-size: 14px !important; }
.cost-check-total strong { font-size: 20px; }
.cost-check-total small { margin-left: auto; color: var(--ink-faint); font-size: 11px; }
.cost-check.is-emphasis { background: var(--accent-soft); }
.warnings { margin-top: 10px; }
.warning { margin: 5px 0 0; color: var(--danger); font-size: 12px; }
.clipboard-fallback { position: fixed; top: 0; left: -9999px; }

.planning-label { margin-left: auto; color: var(--ink-faint); font-size: 11px; font-weight: 650; }
.surface-tabs { display: flex; gap: 2px; margin-bottom: 12px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.surface-tab { flex: 0 0 auto; padding: 7px 11px 8px; border: 0; border-bottom: 2px solid transparent; color: var(--ink-soft); background: transparent; cursor: pointer; font-size: 12px; font-weight: 750; }
.surface-tab:hover { color: var(--accent); }
.surface-tab.is-active { border-bottom-color: var(--accent); color: var(--ink); }
.layout-stage { min-height: clamp(250px, 34vw, 390px); display: flex; align-items: flex-start; justify-content: center; }
.diagram { width: 100%; }
.surface-panel { width: 100%; margin: 0; }
.surface-panel.is-surface-hidden { display: none; }
.surface-panel figcaption { margin-top: 4px; color: var(--ink-faint); font-size: 11px; text-align: center; }
.dwc-surface { display: block; width: 100%; height: auto; max-height: 390px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--panel-2); }
.dwc-surface-bg { fill: var(--panel-2); stroke: var(--line-strong); }
.dwc-panel { fill: var(--panel); stroke: var(--line-strong); }
.dwc-panel.is-cut { fill: var(--amber-soft); }
.dwc-seam { stroke: var(--ink-faint); }
.dwc-opening { fill: var(--ink); fill-opacity: .78; stroke: var(--ink); }
.dwc-opening-label { fill: var(--panel); }
.dwc-dim { fill: var(--ink-soft); }
.dwc-cap { fill: var(--ink-faint); }
#room-canvas { display: block; width: 100%; height: clamp(250px, 34vw, 390px); border-radius: var(--radius-sm); background: var(--bg-soft); cursor: grab; touch-action: none; }
#room-canvas:active { cursor: grabbing; }
.layout-actions { display: flex; gap: 7px; margin-top: 12px; }

.content { max-width: 920px; margin: 40px auto 0; }
.content h2 { margin: 0 0 9px; font-size: 1.25rem; }
.method-lede { margin: 0 0 20px; color: var(--ink-soft); }
.method-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 26px; border-top: 1px solid var(--line); }
.method-item { padding: 15px 0 12px; border-bottom: 1px solid var(--line); }
.method-item h3 { margin: 0 0 5px; font-size: 14px; }
.method-item p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.worked-example { margin-top: 22px; }
.worked-example h3 { margin: 0 0 7px; font-size: 14px; }
.worked-example p { margin: 0; padding: 12px 14px; border-left: 3px solid var(--amber); border-radius: 0 5px 5px 0; color: var(--ink-soft); background: var(--amber-soft); font-size: 13px; }

.site-footer { margin-top: 46px; border-top: 1px solid var(--line); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 22px 24px 38px; }
.footer-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; color: var(--ink-faint); font-size: 13px; }
.footer-nav a { color: var(--ink-soft); }
.footer-note { max-width: 78ch; margin: 11px 0 0; color: var(--ink-faint); font-size: 12px; }
.noscript-note { color: var(--amber); }

dialog#legal-dialog { width: min(640px, calc(100% - 28px)); max-width: 640px; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); background: var(--panel); box-shadow: 0 18px 55px rgba(0,0,0,.25); }
dialog#legal-dialog::backdrop { background: rgba(7, 10, 12, .55); backdrop-filter: blur(2px); }
.legal-body { max-height: 80vh; padding: 7px 22px 24px; overflow: auto; }
.legal-close-row { position: sticky; top: 0; z-index: 1; display: flex; justify-content: flex-end; padding: 10px 0; background: var(--panel); }
.legal-close-row .btn { margin-left: auto; }
.legal-body h1, .legal-body h2 { margin-top: 0; }
.legal-body .legal-section + .legal-section { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 24px; }
.legal-body h3 { margin: 18px 0 6px; font-size: 1rem; }
.legal-date { color: var(--ink-faint); font-size: 13px; }

#toast { position: fixed; z-index: 40; left: 50%; bottom: 22px; padding: 10px 16px; border-radius: 6px; color: var(--bg); background: var(--ink); box-shadow: 0 8px 25px rgba(0,0,0,.2); font-size: 13px; font-weight: 750; opacity: 0; pointer-events: none; transform: translate(-50%, 12px); transition: opacity .18s, transform .18s; }
#toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.mobile-estimate-bar {
  position: fixed; z-index: 20; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom)); left: 10px;
  display: flex; align-items: center; gap: 7px; min-height: 49px; padding: 8px 11px;
  border: 1px solid var(--accent); border-radius: 7px; color: var(--ink); background: var(--panel);
  box-shadow: 0 9px 28px rgba(32,37,43,.2); cursor: pointer; font-size: 13px;
}
.mobile-estimate-bar strong { white-space: nowrap; font-variant-numeric: tabular-nums; }
.mobile-estimate-cta { margin-left: auto; color: var(--accent); font-weight: 800; white-space: nowrap; }
body.has-result-bar { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }

@container (max-width: 265px) {
  .field-grid { grid-template-columns: 1fr; }
}
@media (min-width: 900px) {
  .mobile-estimate-bar { display: none !important; }
}
@media (max-width: 899px) {
  .site-header { padding: 12px 16px; }
  main { padding: 4px 16px 0; }
  .hero { margin-bottom: 13px; }
  .panel { padding: 17px 16px; }
  .estimate-overview { border-bottom: 1px solid var(--line); }
}
@media (max-width: 420px) {
  .site-header, main { padding-left: 14px; padding-right: 14px; }
  .hero h1 { font-size: 1.55rem; }
  .tagline { font-size: 14px; line-height: 1.4; }
  .panel { padding: 15px 13px; }
  .overview-primary strong { font-size: 2.8rem; }
  .materials-snapshot { align-items: flex-start; flex-direction: column; gap: 1px; }
  .results-actions .btn-primary { flex-basis: 100%; }
  .results-actions > .btn:not(.btn-primary), .results-actions > .more-actions { flex: 1 1 0; }
  .results-actions > .btn:not(.btn-primary), .results-actions > .more-actions > summary { width: 100%; text-align: center; }
  .planning-label { max-width: 48%; text-align: right; }
  .method-grid { grid-template-columns: 1fr; }
  .shopping-settings { align-items: stretch; flex-direction: column; gap: 6px; }
  .shopping-settings .field { width: 100%; }
  .cost-check { grid-template-columns: 1fr; }
  .cost-check-total { grid-column: auto; }
  .cost-check-total small { margin-left: auto; }
}
@media (max-width: 339px) {
  .overview-primary strong { font-size: 2.55rem; }
  .material-list { font-size: 12px; }
  .material-list th, .material-list td { padding-left: 3px; padding-right: 3px; }
  .material-list th:first-child { width: 43%; }
  .material-list th:nth-child(2) { width: 17%; }
  .material-list th:nth-child(3) { width: 21%; }
  .material-list th:nth-child(4) { width: 19%; }
  .price-input { width: 49px; padding-left: 3px; padding-right: 3px; }
  .mobile-estimate-bar { right: 6px; left: 6px; gap: 5px; padding-right: 8px; padding-left: 8px; }
  .mobile-estimate-cta { font-size: 12px; }
}

@media print {
  body { color: #000; background: #fff; }
  .site-header, .panel--inputs, .results-actions, .content, .site-footer, #theme-toggle, .rooms, #toast, .mobile-estimate-bar, .surface-tabs, .layout-actions, .preview-hint, .shopping-settings, .shopping-hint { display: none !important; }
  .calc { display: block; border: 0; background: #fff; }
  .panel { padding: 0; }
  .estimate-overview { position: static; border: 0; background: #fff; }
  .panel--output { border: 0; }
  .shopping-details, .layout-details { display: block; border: 0; }
  .shopping-details > summary, .layout-details > summary { display: none; }
  .shopping-details-body, .layout-details-body { display: block; padding: 0; }
  .material-list { font-size: 12px; }
  .layout-stage { display: block; min-height: 0; }
  .surface-panel, .surface-panel.is-surface-hidden { display: block; margin: 0 0 18px; page-break-inside: avoid; }
  .dwc-surface { max-height: none; }
  #room-canvas { display: none !important; }
  .cost-check { page-break-inside: avoid; }
  a { color: #000; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}