:root {
  color-scheme: light;
  --ink: #061516;
  --muted: #5f6f74;
  --line: #cfdcda;
  --paper: #ffffff;
  --page: #eaf2ef;
  --accent: #00b879;
  --accent-dark: #042024;
  --accent-2: #d6f542;
  --warn: #b73e2f;
  --focus: #00a86b;
  --soft: #e9fbf3;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 6px;
  min-height: 38px;
  padding: 0 14px;
  cursor: pointer;
}

button:hover,
button:focus-visible,
input:focus,
select:focus {
  outline: 2px solid color-mix(in srgb, var(--focus), transparent 70%);
  border-color: var(--focus);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 28px;
  background: var(--accent-dark);
  border-bottom: 4px solid var(--accent);
  color: white;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 74px;
  height: 74px;
  object-fit: contain;
  border-radius: 8px;
  background: #000;
}

.credit {
  margin-top: 5px;
  color: #c8f7e4;
  font-size: 13px;
}

.print-contact {
  display: grid;
  gap: 4px;
  max-width: 330px;
  color: #d7efe5;
  font-size: 13px;
  text-align: right;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.1;
}

h2 {
  font-size: 18px;
}

h3 {
  font-size: 16px;
}

h4 {
  margin-top: 14px;
  font-size: 14px;
}

.actions,
.range-fields,
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

main {
  padding: 22px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 126px;
  padding: 16px;
}

.metric span,
.metric small {
  display: block;
  color: var(--muted);
}

.metric strong {
  display: block;
  margin: 10px 0;
  font-size: 28px;
  line-height: 1.05;
}

.metric.primary {
  border-color: color-mix(in srgb, var(--accent), white 48%);
  background: linear-gradient(180deg, #ffffff 0%, #e4fff3 100%);
}

.workspace {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 16px;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.controls {
  align-self: start;
  position: sticky;
  top: 14px;
  padding: 18px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.controls label,
.input-grid label,
.proposal-block label {
  margin-top: 14px;
}

.range-fields label {
  flex: 1 1 120px;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  min-height: 38px;
  padding: 8px 10px;
}

input[readonly] {
  background: #f3f6f7;
}

input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.note {
  margin-top: 18px;
  padding: 12px;
  border: 1px solid #e0d0a3;
  background: #fff8e3;
  color: #72571a;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.45;
}

.tabs {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.tab {
  min-width: 124px;
}

.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #001d16;
  font-weight: 700;
}

.internal-tab {
  min-width: 74px;
  margin-left: auto;
  opacity: 0.28;
  font-size: 12px;
}

.internal-tab:hover,
.internal-tab:focus-visible,
.internal-tab.active {
  opacity: 1;
}

.internal-tab.active {
  background: #6b7280;
  border-color: #6b7280;
}

.tab-page {
  display: none;
  padding: 16px;
}

.tab-page.active {
  display: block;
}

.section-head {
  display: grid;
  gap: 4px;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--muted);
}

.option-grid,
.input-grid,
.estimate-layout,
.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.choice-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 88px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fbfcfc;
}

.choice-card:has(input:checked) {
  border-color: var(--accent);
  background: #ebfff6;
}

.choice-card input {
  width: 18px;
  min-height: 18px;
  margin-top: 2px;
}

.choice-card span {
  display: grid;
  gap: 5px;
}

.choice-card small,
.preview-grid span,
.proposal-row small {
  color: var(--muted);
}

.table-section {
  margin-bottom: 18px;
}

.table-section h3 {
  margin-bottom: 8px;
}

.deliverable-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.deliverable-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: var(--paper);
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafb;
  color: #3c4a52;
  font-size: 12px;
  text-transform: uppercase;
}

.group-row td {
  background: var(--accent-dark);
  color: white;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
}

td.numeric {
  text-align: right;
}

td input[type="number"] {
  width: 112px;
}

td input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
}

.item-title {
  display: grid;
  gap: 3px;
}

.item-title small {
  color: var(--muted);
}

.locked-row {
  background: #f6f7f8;
}

.total-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--accent), white 60%);
  border-radius: 8px;
  background: var(--soft);
}

.total-strip strong {
  font-size: 22px;
}

.total-strip.private {
  border-color: #c8cdd1;
  background: #f3f4f5;
}

.proposal-block {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
}

.preview-block {
  grid-column: 1 / -1;
}

.proposal-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.proposal-row:last-child {
  border-bottom: 0;
}

.proposal-row span {
  display: grid;
  gap: 2px;
}

.proposal-row.grand strong {
  color: var(--warn);
  font-size: 26px;
}

.preview-grid div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.preview-value-list {
  display: grid;
  gap: 8px;
}

.preview-value-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto auto;
  gap: 12px;
  align-items: baseline;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.preview-value-row.quantity-only {
  grid-template-columns: minmax(180px, 1fr) auto;
}

.preview-value-row span:first-child {
  display: grid;
  gap: 2px;
}

.preview-value-row small {
  color: var(--muted);
}

ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

li {
  margin: 4px 0;
}

.site-footer {
  padding: 0 22px 22px;
  color: var(--muted);
  font-size: 13px;
}

.print-intro {
  display: none;
}

.print-disclaimer {
  display: none;
}

@media (max-width: 980px) {
  .summary-grid,
  .workspace,
  .option-grid,
  .input-grid,
  .estimate-layout,
  .preview-grid,
  .preview-value-row,
  .deliverable-list {
    grid-template-columns: 1fr;
  }

  .controls {
    position: static;
  }

  .internal-tab {
    margin-left: 0;
  }

  .topbar,
  .brand {
    align-items: flex-start;
  }

  .topbar {
    flex-direction: column;
  }

  .print-contact {
    text-align: left;
  }
}

@media print {
  @page {
    margin: 12mm;
  }

  body {
    background: white;
    margin: 0;
  }

  .actions,
  .controls,
  .tabs,
  .summary-grid,
  #requirement,
  #deliverables,
  #internal {
    display: none !important;
  }

  .print-intro {
    display: block;
    max-width: 760px;
    margin: 24px auto 0;
    page-break-after: always;
    break-after: page;
  }

  .print-intro h2 {
    margin: 0 0 18px;
    color: #00895e;
    font-size: 24px;
  }

  .print-intro p {
    margin: 0 0 16px;
    font-size: 14px;
    line-height: 1.6;
  }

  .print-intro h3 {
    margin: 26px 0 0;
    padding: 9px 12px;
    border: 1px solid #00b879;
    background: #effbf6;
    font-size: 14px;
  }

  .print-intro ul {
    margin: 0;
    padding: 0;
    list-style: none;
    border: 1px solid #b7c7c1;
    border-top: 0;
  }

  .print-intro li {
    margin: 0;
    padding: 9px 12px;
    border-top: 1px solid #d5dfdb;
    font-size: 13px;
  }

  main,
  .topbar {
    padding: 0;
  }

  .topbar {
    background: white;
    border-bottom: 2px solid #00b879;
    color: #061516;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 16px;
    padding: 0 0 12px;
    position: static;
  }

  .brand img {
    width: 82px;
    height: 82px;
  }

  .eyebrow {
    color: #00895e;
  }

  .brand h1 {
    font-size: 30px;
  }

  .credit,
  .print-contact {
    color: #061516;
  }

  .print-contact {
    display: grid;
    max-width: none;
    text-align: right;
  }

  .workspace,
  .app-panel {
    display: block;
  }

  main {
    padding: 8px 0 0;
  }

  .metric {
    display: inline-block;
    width: 24%;
    vertical-align: top;
  }

  #estimation {
    display: block;
    padding: 0;
  }

  #estimation .section-head {
    margin: 0 0 8px;
  }

  #estimation .section-head p {
    display: none;
  }

  .estimate-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .proposal-block {
    gap: 5px;
    padding: 8px;
  }

  .proposal-block h3 {
    font-size: 14px;
  }

  .proposal-row {
    gap: 8px;
    padding: 5px 0;
    font-size: 12px;
  }

  .proposal-row.grand strong {
    font-size: 20px;
  }

  .preview-block {
    break-inside: auto;
  }

  .preview-block h3,
  .preview-block h4 {
    break-after: avoid;
  }

  .preview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .preview-grid div,
  .preview-value-row {
    padding: 5px;
    font-size: 11px;
  }

  .preview-value-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
  }

  .preview-value-row.quantity-only {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px;
  }

  .preview-block ul {
    columns: 2;
    column-gap: 20px;
    font-size: 11px;
  }

  .investment-block,
  .contact-card {
    grid-column: 1 / -1;
    break-inside: avoid;
  }

  .print-disclaimer {
    display: grid;
    grid-column: 1 / -1;
    gap: 4px;
    margin-top: 2px;
    padding: 8px 10px;
    border-left: 3px solid #00895e;
    background: #f3f7f5;
    color: #40504a;
    font-size: 10px;
    line-height: 1.4;
    break-inside: avoid;
  }

  .panel,
  .metric,
  .proposal-block {
    border-color: #999;
    break-inside: avoid;
  }

  .preview-block {
    break-inside: auto;
  }

  .contact-card {
    break-before: avoid;
  }

  .site-footer {
    display: none !important;
  }
}