:root {
  color-scheme: light;
  --page: #edf0ea;
  --surface: #ffffff;
  --surface-soft: #f7f8f4;
  --surface-deep: #e3e8df;
  --ink: #173034;
  --ink-soft: #5b6a6c;
  --line: #d5ddd5;
  --line-strong: #b8c5bc;
  --brand: #153a3d;
  --brand-2: #24575a;
  --accent: #d9f16f;
  --accent-strong: #bad735;
  --danger: #a43e35;
  --warning: #8c5c16;
  --success: #27684f;
  --shadow: 0 18px 50px rgba(25, 50, 52, 0.09);
  --shadow-small: 0 8px 24px rgba(25, 50, 52, 0.08);
  --radius-large: 22px;
  --radius: 14px;
  --radius-small: 9px;
  --focus: 0 0 0 4px rgba(36, 87, 90, 0.18);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(217, 241, 111, 0.24), transparent 28rem),
    linear-gradient(180deg, #f5f7f1 0, var(--page) 36rem);
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

input::placeholder {
  color: #94a09c;
}

[hidden] {
  display: none !important;
}

.noscript {
  padding: 1rem;
  color: #fff;
  text-align: center;
  background: var(--danger);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.app-shell {
  width: min(1600px, 100%);
  margin: 0 auto;
  padding: 0 28px 36px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 14px 4px;
  background: rgba(245, 247, 241, 0.89);
  border-bottom: 1px solid rgba(184, 197, 188, 0.7);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  grid-template-rows: 0.8fr 1.2fr;
  gap: 3px;
  flex: 0 0 auto;
  width: 45px;
  height: 45px;
  padding: 6px;
  overflow: hidden;
  background: var(--brand);
  border-radius: 12px;
  box-shadow: var(--shadow-small);
}

.brand-mark span {
  display: block;
  background: var(--surface);
  border-radius: 2px;
}

.brand-mark span:nth-child(2),
.brand-mark span:nth-child(3) {
  background: var(--accent);
}

.brand-copy {
  display: grid;
  min-width: 0;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy small {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.77rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-actions,
.button-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
}

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-top: 30px;
}

.intro-card {
  position: relative;
  min-width: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  min-height: 235px;
  padding: clamp(28px, 5vw, 58px);
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(130deg, rgba(21, 58, 61, 0.98), rgba(36, 87, 90, 0.95)),
    var(--brand);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow);
}

.intro-card::before,
.intro-card::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.intro-card::before {
  top: -85px;
  right: -45px;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(217, 241, 111, 0.24);
  border-radius: 38px;
  transform: rotate(17deg);
}

.intro-card::after {
  right: 165px;
  bottom: -160px;
  width: 260px;
  height: 260px;
  background: rgba(217, 241, 111, 0.09);
  border-radius: 50%;
}

.intro-card > * {
  position: relative;
  z-index: 1;
}

.intro-card h1 {
  max-width: 820px;
  margin: 5px 0 12px;
  font-size: clamp(2rem, 4.8vw, 4.25rem);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.intro-card p:not(.eyebrow) {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.privacy-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 10px 13px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

.privacy-dot {
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(217, 241, 111, 0.15);
}

.panel,
.results-section {
  min-width: 0;
  padding: clamp(22px, 3vw, 36px);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(213, 221, 213, 0.92);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-small);
}

.section-heading,
.results-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 25px;
}

.section-heading > div:first-child {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.section-heading h2,
.results-heading-row h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.section-heading p,
.results-heading-row p {
  max-width: 760px;
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.step-number {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 900;
  background: var(--accent);
  border-radius: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 15px;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 760;
  line-height: 1.1;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  transition: transform 130ms ease, background 130ms ease, border-color 130ms ease, box-shadow 130ms ease;
}

.button:hover {
  border-color: #96a69d;
  box-shadow: 0 5px 14px rgba(25, 50, 52, 0.08);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button-primary {
  color: var(--brand);
  background: var(--accent);
  border-color: var(--accent-strong);
}

.button-primary:hover {
  background: #e2f881;
  border-color: #aeca28;
}

.button-secondary {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

.button-secondary:hover {
  background: var(--brand-2);
  border-color: var(--brand-2);
}

.button-quiet {
  background: transparent;
  border-color: transparent;
}

.button-quiet:hover {
  background: rgba(21, 58, 61, 0.065);
  border-color: rgba(21, 58, 61, 0.08);
  box-shadow: none;
}

.button-large {
  min-height: 53px;
  padding: 13px 22px;
  font-size: 0.97rem;
  border-radius: 13px;
}

.button-icon {
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  color: #fff;
  font-size: 0.62rem;
  background: var(--brand);
  border-radius: 50%;
}

.text-button {
  padding: 4px;
  color: var(--brand-2);
  font-size: 0.85rem;
  font-weight: 750;
  background: none;
  border: 0;
}

.danger-text {
  color: var(--danger);
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(4, minmax(150px, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  align-content: start;
  gap: 7px;
  min-width: 0;
}

.field > span,
.trim-inputs label {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 760;
}

.field input,
.field select,
.trim-inputs input {
  width: 100%;
  min-height: 45px;
  padding: 9px 11px;
  color: var(--ink);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
}

.field input:hover,
.field select:hover,
.trim-inputs input:hover {
  border-color: var(--line-strong);
}

.input-with-suffix {
  position: relative;
}

.input-with-suffix input {
  padding-right: 48px;
}

.input-with-suffix span {
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
  transform: translateY(-50%);
}

.settings-lower-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(460px, 1.1fr);
  gap: 18px;
  margin-top: 18px;
}

.trim-box,
.options-box {
  min-width: 0;
  margin: 0;
  padding: 18px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.trim-box legend,
.options-box legend {
  padding: 0 7px;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 820;
}

.trim-box {
  display: grid;
  grid-template-columns: minmax(155px, 0.7fr) 1.3fr;
  align-items: center;
  gap: 22px;
}

.trim-diagram {
  position: relative;
  min-height: 140px;
}

.trim-sheet {
  position: absolute;
  inset: 26px 35px;
  background: #fff;
  border: 2px solid var(--brand);
  border-radius: 6px;
  box-shadow: inset 0 0 0 9px rgba(217, 241, 111, 0.3);
}

.trim-label {
  position: absolute;
  color: var(--ink-soft);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
}

.trim-top {
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
}

.trim-right {
  top: 50%;
  right: 0;
  transform: translateY(-50%) rotate(90deg);
}

.trim-bottom {
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
}

.trim-left {
  top: 50%;
  left: 0;
  transform: translateY(-50%) rotate(-90deg);
}

.trim-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.trim-inputs label {
  display: grid;
  gap: 4px;
}

.options-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px 16px;
}

.toggle-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
  padding: 9px;
  border-radius: 9px;
}

.toggle-row:hover {
  background: rgba(21, 58, 61, 0.045);
}

.toggle-row input,
.row-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--brand-2);
}

.toggle-row input {
  flex: 0 0 auto;
  margin-top: 2px;
}

.toggle-row span {
  display: grid;
  min-width: 0;
}

.toggle-row strong {
  font-size: 0.83rem;
}

.toggle-row small {
  color: var(--ink-soft);
  font-size: 0.73rem;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.data-table {
  width: 100%;
  min-width: 1100px;
  border-collapse: collapse;
  background: var(--surface);
}

.parts-table {
  min-width: 1320px;
}

.data-table th,
.data-table td {
  padding: 9px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
}

.data-table th {
  padding-top: 12px;
  padding-bottom: 12px;
  color: var(--ink-soft);
  font-size: 0.71rem;
  font-weight: 830;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: #f2f5f0;
  white-space: nowrap;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover {
  background: #fbfcf9;
}

.table-input {
  width: 100%;
  min-width: 80px;
  min-height: 39px;
  padding: 7px 8px;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 7px;
}

.table-input:hover {
  background: var(--surface-soft);
  border-color: var(--line);
}

.table-input:focus {
  background: #fff;
  border-color: var(--brand-2);
}

.label-input {
  min-width: 155px;
  font-weight: 720;
}

.dimension-input {
  width: 100px;
}

.qty-input,
.priority-input {
  width: 80px;
}

.material-input {
  min-width: 145px;
}

.price-input {
  width: 95px;
}

.edge-input {
  min-width: 180px;
}

.compact-select {
  min-width: 118px;
}

.centre-cell {
  text-align: center !important;
}

.action-cell {
  width: 48px;
  text-align: right !important;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--ink-soft);
  font-size: 1.32rem;
  line-height: 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
}

.icon-button:hover {
  color: var(--danger);
  background: rgba(164, 62, 53, 0.07);
  border-color: rgba(164, 62, 53, 0.14);
}

.empty-table-row td {
  padding: 28px;
  color: var(--ink-soft);
  text-align: center;
}

.message-panel {
  margin-top: 17px;
  padding: 14px 16px;
  border-radius: 12px;
}

.message-panel.error {
  color: #6c2620;
  background: #fff1ef;
  border: 1px solid #ecc4bf;
}

.message-panel.warning {
  color: #694410;
  background: #fff7e8;
  border: 1px solid #ecd6a9;
}

.message-panel.success {
  color: #184b39;
  background: #edf9f3;
  border: 1px solid #bfe3d2;
}

.message-panel strong {
  display: block;
  margin-bottom: 4px;
}

.message-panel ul {
  margin: 7px 0 0 18px;
  padding: 0;
}

.optimise-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 21px;
  padding: 18px;
  background: linear-gradient(105deg, #f4f7ed, #eef3e6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.optimise-bar > div {
  display: grid;
}

.optimise-bar strong {
  font-size: 0.96rem;
}

.optimise-bar span:not(.button-icon) {
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.results-section {
  background: #f8faf6;
  border-color: #cbd8cc;
}

.results-heading-row .eyebrow {
  color: var(--brand-2);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(145px, 1fr));
  gap: 12px;
  margin-bottom: 23px;
}

.summary-card {
  min-width: 0;
  padding: 17px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.summary-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 0.73rem;
  font-weight: 760;
  text-transform: uppercase;
}

.summary-card strong {
  display: block;
  overflow: hidden;
  font-size: clamp(1.18rem, 2.1vw, 1.72rem);
  line-height: 1;
  letter-spacing: -0.035em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.results-tabs {
  display: flex;
  gap: 5px;
  width: fit-content;
  margin-bottom: 18px;
  padding: 4px;
  background: #e8ede6;
  border-radius: 12px;
}

.results-tab {
  min-height: 38px;
  padding: 7px 15px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 780;
  background: transparent;
  border: 0;
  border-radius: 9px;
}

.results-tab.active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 3px 10px rgba(25, 50, 52, 0.08);
}

.layouts-container {
  display: grid;
  gap: 18px;
}

.layout-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  box-shadow: 0 10px 28px rgba(25, 50, 52, 0.06);
}

.layout-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 19px;
  border-bottom: 1px solid var(--line);
}

.layout-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sheet-number {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 37px;
  height: 37px;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 850;
  background: var(--brand);
  border-radius: 10px;
}

.layout-title h3 {
  margin: 0;
  font-size: 1rem;
}

.layout-title p {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 0.77rem;
}

.layout-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.stat-pill {
  padding: 6px 9px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 730;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.layout-canvas-wrap {
  position: relative;
  padding: 22px;
  overflow: auto;
  background:
    linear-gradient(90deg, rgba(21, 58, 61, 0.025) 1px, transparent 1px),
    linear-gradient(rgba(21, 58, 61, 0.025) 1px, transparent 1px),
    #f6f8f3;
  background-size: 18px 18px;
}

.sheet-svg {
  display: block;
  width: 100%;
  min-width: 650px;
  height: auto;
  margin: 0 auto;
  background: #fff;
  border-radius: 6px;
  filter: drop-shadow(0 6px 14px rgba(25, 50, 52, 0.1));
}

.layout-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 19px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  border-top: 1px solid var(--line);
}

.layout-card-footer .button {
  min-height: 36px;
  padding: 7px 11px;
  font-size: 0.75rem;
}

.part-tooltip {
  position: fixed;
  z-index: 80;
  max-width: 260px;
  padding: 9px 11px;
  pointer-events: none;
  color: #fff;
  font-size: 0.75rem;
  line-height: 1.35;
  background: rgba(19, 43, 46, 0.96);
  border-radius: 9px;
  box-shadow: var(--shadow-small);
}

.result-table-wrap {
  background: #fff;
}

.result-table {
  min-width: 1050px;
}

.result-table td {
  font-size: 0.82rem;
}

.unplaced-panel {
  display: grid;
  gap: 12px;
}

.unplaced-good,
.unplaced-warning {
  padding: 20px;
  border-radius: var(--radius);
}

.unplaced-good {
  color: var(--success);
  background: #eaf8f1;
  border: 1px solid #b9decf;
}

.unplaced-warning {
  color: #6b4514;
  background: #fff7e9;
  border: 1px solid #ead4a6;
}

.unplaced-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.unplaced-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 11px;
  background: rgba(255, 255, 255, 0.65);
  border-radius: 8px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 4px 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.help-dialog {
  width: min(780px, calc(100% - 28px));
  max-height: calc(100vh - 42px);
  padding: 0;
  color: var(--ink);
  background: #fff;
  border: 0;
  border-radius: 20px;
  box-shadow: 0 28px 90px rgba(14, 34, 36, 0.28);
}

.help-dialog::backdrop {
  background: rgba(12, 30, 32, 0.52);
  backdrop-filter: blur(3px);
}

.help-dialog form {
  padding: 25px;
}

.dialog-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.dialog-heading h2 {
  margin: 2px 0 0;
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}

.dialog-heading .eyebrow {
  color: var(--brand-2);
}

.help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 18px 0;
}

.help-grid section {
  padding: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.help-grid h3 {
  margin: 0 0 7px;
  font-size: 0.92rem;
}

.help-grid p,
.help-grid ol {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.79rem;
}

.help-grid ol {
  padding-left: 18px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
}

.busy-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(14, 34, 36, 0.54);
  backdrop-filter: blur(4px);
}

.busy-card {
  display: grid;
  justify-items: center;
  gap: 6px;
  min-width: 280px;
  padding: 28px;
  text-align: center;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.busy-card small {
  color: var(--ink-soft);
}

.spinner {
  width: 42px;
  height: 42px;
  margin-bottom: 5px;
  border: 4px solid #dfe6de;
  border-top-color: var(--brand-2);
  border-radius: 50%;
  animation: spin 750ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.toast-region {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 120;
  display: grid;
  gap: 10px;
  width: min(360px, calc(100% - 44px));
}

.toast {
  padding: 13px 15px;
  color: #fff;
  font-size: 0.84rem;
  font-weight: 690;
  background: var(--brand);
  border-radius: 11px;
  box-shadow: 0 14px 35px rgba(14, 34, 36, 0.22);
  animation: toast-in 180ms ease-out;
}

.toast.error {
  background: #81352f;
}

.toast.warning {
  color: #3f2a0e;
  background: #f4d58f;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1180px) {
  .settings-grid {
    grid-template-columns: repeat(3, minmax(160px, 1fr));
  }

  .field-wide {
    grid-column: span 2;
  }

  .settings-lower-grid {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: repeat(3, minmax(150px, 1fr));
  }
}

@media (max-width: 820px) {
  .app-shell {
    padding: 0 14px 26px;
  }

  .site-header {
    align-items: flex-start;
    padding: 12px 0;
  }

  .brand-copy small {
    display: none;
  }

  .header-actions {
    justify-content: flex-end;
  }

  .header-actions .button {
    min-height: 36px;
    padding: 7px 9px;
    font-size: 0.76rem;
  }

  main {
    padding-top: 16px;
  }

  .intro-card {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    padding: 30px 24px;
  }

  .intro-card h1 {
    font-size: clamp(2.15rem, 10vw, 3.4rem);
  }

  .privacy-chip {
    align-self: flex-start;
  }

  .section-heading,
  .results-heading-row,
  .optimise-bar,
  .layout-card-header,
  .layout-card-footer,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .section-heading .button,
  .section-heading .button-group,
  .results-heading-row .button-group {
    width: 100%;
  }

  .button-group .button {
    flex: 1 1 auto;
  }

  .settings-grid {
    grid-template-columns: 1fr 1fr;
  }

  .field-wide {
    grid-column: 1 / -1;
  }

  .options-box {
    grid-template-columns: 1fr;
  }

  .optimise-bar .button {
    width: 100%;
  }

  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .help-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .site-header {
    position: relative;
    display: grid;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .field-wide {
    grid-column: auto;
  }

  .trim-box {
    grid-template-columns: 1fr;
  }

  .trim-diagram {
    display: none;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .results-tabs {
    width: 100%;
  }

  .results-tab {
    flex: 1;
    padding-inline: 9px;
  }

  .site-footer {
    gap: 6px;
  }
}

@page {
  size: A4 landscape;
  margin: 10mm;
}

@media print {
  :root {
    --page: #fff;
  }

  body {
    background: #fff;
    font-size: 10pt;
  }

  .app-shell {
    width: 100%;
    padding: 0;
  }

  .site-header,
  .intro-card,
  main > .panel,
  .site-footer,
  .results-heading-row .button-group,
  .results-tabs,
  .layout-card-footer,
  .busy-overlay,
  .toast-region {
    display: none !important;
  }

  main {
    display: block;
    padding: 0;
  }

  .results-section {
    display: block !important;
    padding: 0;
    background: #fff;
    border: 0;
    box-shadow: none;
  }

  .results-heading-row {
    display: block;
    margin-bottom: 7mm;
  }

  .summary-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 3mm;
  }

  .summary-card {
    padding: 3mm;
  }

  .summary-card strong {
    font-size: 14pt;
  }

  [data-result-view="layouts"] {
    display: block !important;
  }

  [data-result-view="cut-list"],
  [data-result-view="unplaced"] {
    display: none !important;
  }

  .layouts-container {
    display: block;
  }

  .layout-card {
    break-inside: avoid;
    page-break-inside: avoid;
    margin-bottom: 8mm;
    border: 1px solid #888;
    box-shadow: none;
  }

  .layout-card-header {
    padding: 3mm;
  }

  .layout-canvas-wrap {
    padding: 4mm;
    background: #fff;
  }

  .sheet-svg {
    min-width: 0;
    max-height: 165mm;
    filter: none;
  }
}