:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-strong: #eef3f8;
  --text: #1f2933;
  --muted: #64748b;
  --border: #d7e0ea;
  --blue: #27608f;
  --blue-dark: #193f61;
  --green: #1d7a58;
  --green-bg: #edf8f3;
  --amber: #a85f00;
  --amber-bg: #fff5e7;
  --danger: #b42318;
  --shadow: 0 18px 45px rgba(31, 41, 51, 0.08);
  font-family: Arial, Helvetica, sans-serif;
}

[data-theme="dark"] {
  --bg: #121821;
  --surface: #1c2430;
  --surface-strong: #263241;
  --text: #eef4fb;
  --muted: #a9b8c9;
  --border: #354456;
  --blue: #7cb4e4;
  --blue-dark: #d8ebff;
  --green: #35c48d;
  --green-bg: #17352c;
  --amber: #ff9d3d;
  --amber-bg: #3a2a17;
  --danger: #ff7b6d;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 18px;
}

body {
  margin: 0;
  padding-left: 312px;
  background: var(--bg);
  color: var(--text);
  transition: padding-left 180ms ease;
}

body.side-nav-collapsed {
  padding-left: 96px;
}

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

.side-nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 70;
  display: flex;
  flex-direction: column;
  width: 312px;
  height: 100vh;
  padding: 26px 20px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, #0d3f66 0%, #082f50 100%);
  box-shadow: 18px 0 42px rgba(3, 22, 45, 0.24);
  overflow: visible;
  transition:
    width 180ms ease,
    padding 180ms ease;
}

body.side-nav-collapsed .side-nav {
  width: 96px;
  padding: 24px 18px;
}

.side-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

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

.side-brand-mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border: 6px solid #ff681f;
  border-radius: 50%;
  padding: 0;
  transform: none;
  overflow: visible;
  background: transparent;
  cursor: pointer;
  box-shadow:
    0 0 0 1px rgba(255, 104, 31, 0.08),
    0 0 24px rgba(255, 104, 31, 0.28);
  transition:
    box-shadow 160ms ease,
    transform 160ms ease;
}

.side-brand-mark::after {
  content: none;
}

.side-brand-mark:hover,
.side-brand-mark:focus-visible {
  box-shadow:
    0 0 0 3px rgba(255, 104, 31, 0.24),
    0 0 28px rgba(255, 104, 31, 0.36);
}

.side-brand-mark:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.72);
  outline-offset: 4px;
}

.side-brand-mark span {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #0a355d;
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
  transform: translate(-50%, -50%);
}

.rupee-mark {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #ffffff;
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.side-nav-header strong {
  color: #ffffff;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0;
}

.side-nav-header strong .title-scope-accent {
  display: inline;
  margin-top: 0;
  color: #35c48d;
  font-size: inherit;
  font-weight: 700;
}

.side-nav-header span {
  display: block;
  margin-top: 6px;
  color: #d2f7f3;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: none;
}

.side-nav-toggle {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(224, 246, 255, 0.12);
  border-radius: 10px;
  background: rgba(36, 89, 132, 0.72);
  color: #ffffff;
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
  padding: 0 0 2px;
  transition:
    background 160ms ease,
    transform 160ms ease;
}

.side-nav-toggle:hover {
  border-color: rgba(224, 246, 255, 0.32);
  background: rgba(47, 105, 151, 0.82);
}

.side-nav-toggle::after {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  z-index: 90;
  transform: translateY(-50%) translateX(-4px);
  content: attr(data-tooltip);
  width: max-content;
  max-width: 160px;
  padding: 8px 12px;
  border: 1px solid rgba(179, 204, 232, 0.2);
  border-radius: 9px;
  background: #082846;
  box-shadow: 0 14px 32px rgba(1, 12, 25, 0.22);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
}

.side-nav-toggle:hover::after,
.side-nav-toggle:focus-visible::after {
  transform: translateY(-50%) translateX(0);
  opacity: 1;
}

body.side-nav-collapsed .side-nav-toggle span {
  transform: rotate(180deg);
}

/* Match the compact icon tile size used by the collapsed workflow links. */
body.side-nav-collapsed .side-nav-toggle {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  font-size: 21px;
}

body.side-nav-collapsed .side-nav-header {
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  margin-bottom: 26px;
}

body.side-nav-collapsed .side-brand {
  justify-content: center;
}

body.side-nav-collapsed .side-brand > div:not(.side-brand-mark),
body.side-nav-collapsed .side-product,
body.side-nav-collapsed .side-workflow-label,
body.side-nav-collapsed .side-nav-footer span:last-child {
  display: none;
}

.side-product {
  margin-bottom: 26px;
}

.side-product span {
  display: block;
  margin-bottom: 10px;
  color: #d2f7f3;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.side-product strong {
  display: block;
  color: #ffffff;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0;
}

.side-product p {
  margin: 9px 0 0;
  color: rgba(223, 235, 248, 0.72);
  font-size: 16px;
  line-height: 1.45;
}

.side-workflow-label {
  margin: 0 0 12px;
  padding-top: 22px;
  border-top: 1px solid rgba(179, 204, 232, 0.2);
  color: rgba(223, 235, 248, 0.72);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.side-nav nav {
  display: grid;
  gap: 9px;
}

.side-nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 54px;
  padding: 13px 14px 13px 16px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: rgba(226, 239, 250, 0.92);
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.side-nav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  border-radius: 999px;
  background: transparent;
}

.side-nav a:hover,
.side-nav a.active {
  border-color: rgba(224, 246, 255, 0.25);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.07));
  color: #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 14px 32px rgba(1, 12, 25, 0.17);
}

.side-nav a.active::before {
  background: #ff681f;
  box-shadow: 0 0 14px rgba(255, 104, 31, 0.64);
}

.nav-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(224, 246, 255, 0.12);
  border-radius: 10px;
  background: rgba(36, 89, 132, 0.72);
  color: #b9d0e2;
  line-height: 1;
}

.nav-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-icon svg.pipe-elbow-icon {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-icon svg.pipe-bundle-icon {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-icon .pipe-reference-icon {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
  transform: translate(-50%, -50%);
}

.side-nav a.active .nav-icon,
.side-nav a:hover .nav-icon {
  color: #ffffff;
  border-color: rgba(224, 246, 255, 0.32);
  background: rgba(47, 105, 151, 0.82);
}

.side-nav a[href="#calculator"] .nav-icon {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(224, 246, 255, 0.22);
  border-radius: 50%;
  background: rgba(36, 89, 132, 0.72);
  color: #b9d0e2;
}

.side-nav a[href="#calculator"].active .nav-icon,
.side-nav a[href="#calculator"]:hover .nav-icon {
  border-color: rgba(224, 246, 255, 0.32);
  background: rgba(47, 105, 151, 0.82);
  color: #ffffff;
  box-shadow: none;
}

.side-nav-footer {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid rgba(179, 204, 232, 0.2);
  color: rgba(223, 235, 248, 0.62);
  font-size: 13px;
}

.footer-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

body.side-nav-collapsed .side-nav a {
  justify-content: center;
  padding: 12px 6px;
  font-size: 0;
}

body.side-nav-collapsed .side-nav a::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 14px);
  top: 50%;
  z-index: 90;
  min-width: max-content;
  padding: 9px 12px;
  border: 1px solid rgba(179, 204, 232, 0.2);
  border-radius: 9px;
  background: #082846;
  color: #ffffff;
  box-shadow: 0 14px 32px rgba(1, 12, 25, 0.22);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transform: translate(-6px, -50%);
  transition:
    opacity 140ms ease,
    transform 140ms ease;
}

body.side-nav-collapsed .side-nav a:hover::after,
body.side-nav-collapsed .side-nav a:focus-visible::after {
  opacity: 1;
  transform: translate(0, -50%);
}

body.side-nav-collapsed .side-nav a::before {
  left: 4px;
}

body.side-nav-collapsed .nav-text {
  display: none;
}

body.side-nav-collapsed .nav-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

body.side-nav-collapsed .side-nav a[href="#calculator"] .nav-icon {
  border-radius: 50%;
  background: rgba(255, 104, 31, 0.08);
}

body.side-nav-collapsed .side-nav a[href="#calculator"].active .nav-icon,
body.side-nav-collapsed .side-nav a[href="#calculator"]:hover .nav-icon {
  background: rgba(255, 104, 31, 0.08);
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.app-header {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.app-header > div:first-child {
  width: min(100%, 820px);
  max-width: 820px;
  margin: 0 auto;
  padding: 4px 10px 8px;
  background: transparent;
  text-align: center;
}

.header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  flex: 0 0 auto;
  position: absolute;
  top: 0;
  right: 0;
}

.header-action-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.header-status-stack {
  display: grid;
  gap: 4px;
}

.header-actions .capability-line {
  margin: 0;
  font-size: 9px;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
}

.section-label {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: 25px;
  line-height: 1.05;
  letter-spacing: 0;
  white-space: nowrap;
}

.title-scope-accent {
  color: var(--green);
}

.header-question {
  margin: 0;
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.45;
}

.header-question button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-align: left;
}

.header-question button:hover,
.header-question button:focus-visible {
  color: var(--orange);
}

[data-theme="dark"] .header-question {
  color: #c7d8e8;
}

@media (max-width: 900px) {
  h1 {
    font-size: 24px;
    white-space: normal;
  }
}

.lead {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.capability-line {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.45;
}

.capability-line span {
  display: block;
}

/* A local, rule-based shortcut for common estimating questions. */
.ask-estimator-panel {
  margin: 0 0 22px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

/* Keep the first desktop view focused on the header and estimator prompt. */
@media (min-width: 901px) {
  .app-header {
    min-height: clamp(205px, 31vh, 290px);
    align-items: center;
    margin-bottom: clamp(26px, 5vh, 54px);
  }

  .app-header > div:first-child {
    transform: translateY(clamp(38px, 7vh, 72px));
  }

  .ask-estimator-panel {
    width: min(100%, 1040px);
    min-height: 0;
    display: flex;
    flex-direction: column;
    margin: 0 auto clamp(180px, 22vh, 240px);
  }

  .context-panel {
    scroll-margin-top: 24px;
  }
}

.ask-estimator-heading {
  display: none;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 13px;
}

.ask-estimator-kicker {
  margin: 0 0 4px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ask-estimator-heading h2 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--blue-dark);
  font-size: 19px;
}

.ask-estimator-heading h2::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff6624;
  box-shadow: 0 0 0 3px rgba(255, 102, 36, 0.12);
}

.ask-estimator-heading p:not(.ask-estimator-kicker) {
  max-width: 700px;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.ask-estimator-basis {
  flex: 0 0 auto;
  margin-top: 5px;
  padding: 6px 9px;
  border: 1px solid rgba(39, 96, 143, 0.18);
  border-radius: 6px;
  background: var(--surface-strong);
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 600;
}

.ask-estimator-form {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: calc(100% - 120px);
  margin: 0 auto;
  min-height: 64px;
  padding: 7px 8px 7px 20px;
  border: 1px solid rgba(185, 208, 226, 0.28);
  border-radius: 999px;
  background: #0d3f66;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.ask-estimator-plus {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  padding: 0;
  color: #ffffff;
  border: 3px solid #ff681f !important;
  border-radius: 50%;
  background: #0d3f66;
  cursor: pointer;
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
}

.ask-estimator-plus:hover,
.ask-estimator-plus:focus-visible {
  background: rgba(255, 104, 31, 0.16);
  outline: none;
}

.ask-estimator-form input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: #e2effa;
  font-size: 17px;
}

.ask-estimator-form input::placeholder {
  color: #abc6db;
}

.ask-estimator-submit {
  min-height: 44px;
  border: 1px solid rgba(185, 208, 226, 0.28);
  border-radius: 999px;
  background: rgba(36, 89, 132, 0.92);
  color: #b9d0e2;
  cursor: pointer;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
}

.ask-estimator-submit:hover,
.ask-estimator-submit:focus-visible {
  background: rgba(47, 105, 151, 1);
}

.ask-estimator-upload-submit {
  display: inline-grid;
  width: 44px;
  place-items: center;
  padding: 0;
}

.ask-estimator-upload-submit:hover,
.ask-estimator-upload-submit:focus-visible {
  color: #ff681f;
}

.ask-estimator-upload-submit svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.ask-estimator-examples {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  width: calc(100% - 120px);
  margin: 9px auto 0;
  padding-left: 40px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.ask-estimator-progress {
  display: grid;
  width: calc(100% - 120px);
  margin: 14px auto 0;
  border-color: transparent;
  background: transparent;
}

/* Keep the prompt-bar upload status compact without changing the main BOM uploader. */
.ask-estimator-progress .bom-progress-ring {
  width: 82px;
  height: 82px;
}

.ask-estimator-progress .bom-progress-ring::before {
  width: 60px;
  height: 60px;
}

.ask-estimator-progress .bom-progress-center strong {
  font-size: 16px;
}

.ask-estimator-progress .bom-progress-center span {
  font-size: 10px;
}

.ask-estimator-divider {
  color: var(--border);
  line-height: 1;
}

.ask-estimator-example-row {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

/* Keep the prompt starter list useful without making the top of the app busy. */
.ask-estimator-more-examples {
  width: 100%;
  margin-top: 2px;
}

.ask-estimator-more-examples summary {
  width: fit-content;
  color: var(--blue);
  cursor: pointer;
  font-size: inherit;
}

.ask-estimator-more-example-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, max-content));
  gap: 6px 16px;
  margin-top: 8px;
}

.ask-estimator-more-example-list button {
  width: fit-content;
  text-align: left;
}

/* The examples help on first use, then must not compete with the answer. */
.ask-estimator-examples[hidden] {
  display: none;
}

.ask-estimator-examples button {
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  padding: 0;
  font-size: inherit;
}

.ask-estimator-result {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f5faf8;
}

@media (min-width: 901px) {
  .ask-estimator-result {
    width: min(100%, 820px);
    margin-right: auto;
    margin-left: auto;
  }
}

.ask-result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.ask-result-output-heading {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.ask-result-header h3 {
  margin: 0;
  color: var(--blue-dark);
  font-size: 16px;
  line-height: 1.3;
}

.ask-result-status {
  flex: 0 0 auto;
  color: var(--green);
  font-size: 12px;
  font-weight: 600;
}

.ask-result-status.review {
  color: var(--danger);
}

.ask-template-download {
  margin-top: 14px;
  min-width: 0;
}

.ask-result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.ask-result-grid article {
  min-height: 82px;
  padding: 10px;
  border: 1px solid #cfe0e8;
  border-radius: 7px;
  background: var(--surface);
}

.ask-result-grid span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.ask-result-grid strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.32;
  overflow-wrap: anywhere;
}

.ask-result-note {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.ask-rate-table-wrap {
  overflow-x: auto;
  border: 1px solid #cfe0e8;
  border-radius: 8px;
  background: var(--surface);
}

.ask-rate-table {
  width: 100%;
  min-width: 620px;
  table-layout: fixed;
  border-collapse: collapse;
  color: var(--text);
  font-size: 13px;
}

.ask-rate-table th:first-child,
.ask-rate-table td:first-child {
  width: 72%;
}

.ask-rate-table th:nth-child(2),
.ask-rate-table td:nth-child(2),
.ask-rate-table th:nth-child(3),
.ask-rate-table td:nth-child(3) {
  width: 14%;
}

.ask-rate-table th,
.ask-rate-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #dce8ee;
  text-align: left;
  vertical-align: top;
}

.ask-rate-table th {
  color: #fff;
  background: var(--blue-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.ask-rate-table th:nth-child(2),
.ask-rate-table th:nth-child(3) {
  text-align: right;
}

.ask-rate-table tbody tr:nth-child(even) {
  background: #f3f8fa;
}

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

.ask-rate-table-number {
  color: var(--blue-dark);
  font-weight: 700;
  text-align: right !important;
  white-space: nowrap;
}

.ask-result-table-wrap {
  overflow-x: auto;
  border: 1px solid #cfe0e8;
  border-radius: 8px;
  background: var(--surface);
}

.ask-result-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  color: var(--text);
  font-size: 13px;
}

.ask-result-table th,
.ask-result-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #dce8ee;
  text-align: left;
  vertical-align: top;
  line-height: 1.35;
}

.ask-result-table th {
  color: #fff;
  background: var(--blue-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.ask-result-table tbody tr:nth-child(even) {
  background: #f3f8fa;
}

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

.ask-result-table-number {
  color: var(--blue-dark);
  font-weight: 700;
  text-align: right !important;
  white-space: nowrap;
}

[data-theme="dark"] .ask-result-table-wrap {
  border-color: #3a5068;
  background: #142738;
}

[data-theme="dark"] .ask-result-table th {
  background: #1f527d;
}

[data-theme="dark"] .ask-result-table tbody tr:nth-child(even) {
  background: #1a3041;
}

[data-theme="dark"] .ask-rate-table-wrap {
  border-color: #3a5068;
  background: #142738;
}

[data-theme="dark"] .ask-rate-table th {
  background: #1f527d;
}

[data-theme="dark"] .ask-rate-table tbody tr:nth-child(even) {
  background: #1a3041;
}

.ask-result-methodology {
  margin-top: 14px;
  border: 1px solid #cfe0e8;
  border-radius: 8px;
  overflow: hidden;
  background: #f7fafc;
}

.ask-result-methodology-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid #d9e6ed;
  background: #edf4f8;
}

.ask-result-methodology-heading h4 {
  margin: 0;
  color: var(--blue-dark);
  font-size: 14px;
}

.ask-result-methodology-heading span {
  color: var(--muted);
  font-size: 11px;
}

.ask-step-row {
  display: grid;
  grid-template-columns: 24px minmax(145px, 0.8fr) minmax(0, 1.5fr) minmax(120px, 0.7fr);
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 7px 12px;
  border-bottom: 1px solid #e1ebf0;
}

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

.ask-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #2b6796;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

.ask-step-label,
.ask-step-result {
  color: var(--text);
  font-size: 12px;
  line-height: 1.35;
}

.ask-step-formula {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.ask-step-result {
  text-align: right;
  color: var(--blue-dark);
}

[data-theme="dark"] .ask-result-methodology {
  border-color: #3a5068;
  background: #142738;
}

[data-theme="dark"] .ask-result-methodology-heading {
  border-color: #3a5068;
  background: #1a3449;
}

[data-theme="dark"] .ask-step-row {
  border-color: #29445b;
}

.ask-multi-result-summary {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin: -2px 0 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eaf2f7;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 600;
}

.ask-multi-result-list {
  display: grid;
  gap: 12px;
}

.ask-multi-item {
  padding: 14px;
  border: 1px solid #cfe0e8;
  border-radius: 8px;
  background: var(--surface);
}

.ask-multi-item-heading {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--blue-dark);
}

.ask-multi-item-heading span {
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 999px;
  background: #fff0e8;
  color: #c94e12;
  font-size: 11px;
  font-weight: 700;
}

.ask-multi-item-heading strong {
  font-size: 14px;
  line-height: 1.35;
}

.ask-multi-item .ask-result-header {
  margin-bottom: 10px;
}

[data-theme="dark"] .ask-multi-item {
  border-color: #3a5068;
  background: #142738;
}

[data-theme="dark"] .ask-multi-result-summary {
  background: #1f4050;
  color: #d7eaf5;
}

[data-theme="dark"] .ask-multi-item-heading span {
  background: #442b1c;
  color: #ffc39e;
}

.ask-result-error {
  margin: 0;
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
}

.ask-pipe-assumption {
  margin: 2px 0 10px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}

.ask-pipe-facts {
  margin: 0 0 16px;
  padding-left: 22px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.65;
}

.ask-pipe-price-heading {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 18px;
}

.ask-pipe-price-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text);
  font-size: 13px;
}

.ask-pipe-price-table th,
.ask-pipe-price-table td {
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.ask-pipe-price-table thead th {
  color: var(--blue-dark);
  font-weight: 700;
}

.ask-pipe-price-table tbody th {
  width: 70%;
  font-weight: 400;
}

.ask-pipe-price-table td {
  text-align: right;
  font-weight: 700;
  white-space: nowrap;
}

[data-theme="dark"] .ask-pipe-assumption,
[data-theme="dark"] .ask-pipe-facts,
[data-theme="dark"] .ask-pipe-price-table {
  color: #e2effa;
}

[data-theme="dark"] .ask-pipe-price-heading,
[data-theme="dark"] .ask-pipe-price-table thead th {
  color: #d7eaf5;
}

.ask-upload-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 12px;
}

.ask-upload-actions .report-button,
.ask-upload-actions .excel-report-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 12px;
}

[data-theme="dark"] .ask-estimator-panel {
  background: transparent;
}

[data-theme="dark"] .ask-estimator-result {
  background: #102a2d;
}

[data-theme="dark"] .app-header > div:first-child {
  background: transparent;
}

[data-theme="dark"] .ask-estimator-form,
[data-theme="dark"] .ask-result-grid article,
[data-theme="dark"] .ask-estimator-basis {
  border-color: #3a5068;
}

[data-theme="dark"] .ask-estimator-form {
  background: #0d3f66;
}

@media (max-width: 700px) {
  .ask-estimator-form,
  .ask-estimator-examples,
  .ask-estimator-progress {
    width: calc(100% - 20px);
  }

  .ask-estimator-examples {
    padding-left: 68px;
  }

  .ask-estimator-more-example-list {
    grid-template-columns: 1fr;
  }

  .ask-estimator-heading {
    display: none;
  }

  .ask-estimator-basis {
    display: inline-block;
    margin-top: 10px;
  }

  .ask-result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ask-result-methodology-heading {
    display: block;
  }

  .ask-result-methodology-heading span {
    display: block;
    margin-top: 3px;
  }

  .ask-step-row {
    grid-template-columns: 24px minmax(0, 1fr);
  }

  .ask-step-formula,
  .ask-step-result {
    grid-column: 2;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .ask-estimator-panel {
    padding: 14px;
  }

  .ask-estimator-form {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .ask-estimator-submit {
    grid-column: 1 / -1;
    width: 100%;
  }
}

.seo-intro {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.context-panel {
  margin: 0 0 22px;
  border: 1px solid rgba(39, 96, 143, 0.24);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), var(--surface));
  box-shadow: 0 14px 34px rgba(31, 41, 51, 0.06);
  overflow: hidden;
}

.context-heading {
  display: flex;
  align-items: flex-start;
  padding: 20px 30px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
}

.context-heading h2 {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 20px;
  letter-spacing: 0.01em;
  text-transform: none;
}

/* A small shared marker makes each estimator panel easy to scan without numbering it. */
.context-heading h2,
.panel-heading h2 {
  display: flex;
  align-items: center;
  gap: 9px;
}

.context-heading h2::before,
.panel-heading h2::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: #ff6624;
  box-shadow: 0 0 0 3px rgba(255, 102, 36, 0.12);
}

/* Inputs and Output are sub-panels of Pipe Quick Estimate, not separate workflow steps. */
.input-panel .panel-heading h2,
.output-panel .panel-heading h2 {
  gap: 0;
}

.input-panel .panel-heading h2::before,
.output-panel .panel-heading h2::before {
  display: none;
}

.context-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.context-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.85fr) minmax(180px, 0.55fr);
  gap: 24px;
  padding: 24px 30px 26px;
}

.context-grid label {
  display: grid;
  gap: 10px;
  color: var(--blue-dark);
  font-weight: 700;
}

.context-grid input,
.context-grid textarea {
  width: 100%;
  min-height: 76px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: 16px;
  font-weight: 400;
  padding: 16px;
  outline: none;
  resize: vertical;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.context-grid input {
  min-height: 76px;
}

@media (max-width: 900px) {
  .context-grid .design-temperature-field {
    grid-column: auto;
  }
}

.context-grid input:focus,
.context-grid textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(39, 96, 143, 0.14);
}

.context-grid ::placeholder {
  color: var(--muted);
  opacity: 0.92;
}

.model-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  margin-top: 7px;
  padding: 7px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  min-height: 28px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  cursor: pointer;
  padding: 0;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
}

.theme-icon {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
}

.theme-icon::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--blue-dark);
}

.theme-icon::after {
  content: "";
  position: absolute;
  top: -1px;
  right: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface);
}

html[data-theme="dark"] .theme-toggle {
  border-color: #335069;
  background: #0f1b26;
}

html[data-theme="dark"] .theme-icon::before {
  inset: 2px;
  background: #ff681f;
}

html[data-theme="dark"] .theme-icon::after {
  display: none;
}

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

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.tool-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 18px;
}

.pipe-quick-section {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.pipe-quick-heading {
  align-items: flex-start;
  margin-bottom: 16px;
}

.pipe-quick-heading p {
  max-width: 680px;
}

.input-panel,
.output-panel,
.method-panel,
.line-items-panel,
.bom-panel,
.what-if-panel,
.bom-group-panel,
.audit-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.input-panel,
.output-panel {
  padding: 20px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.panel-heading h2 {
  margin-bottom: 0;
  font-size: 20px;
}

[data-theme="dark"] .panel-heading h2 {
  color: var(--text);
}

.panel-heading p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.primary-button,
.print-button {
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  background: #ff681f;
  box-shadow: 0 16px 30px rgba(255, 104, 31, 0.22);
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  padding: 11px 24px;
  transition:
    background 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.primary-button:hover,
.print-button:hover {
  background: #f45c16;
  box-shadow: 0 18px 34px rgba(255, 104, 31, 0.28);
  transform: translateY(-1px);
}

.ghost-button {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--blue-dark);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  padding: 9px 12px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.material-library-card {
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(39, 96, 143, 0.2);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(39, 96, 143, 0.06), rgba(29, 122, 88, 0.05));
}

.material-library-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.material-library-heading strong {
  color: var(--blue-dark);
  font-size: 15px;
}

.material-library-heading span {
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.material-library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.material-library-output {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.material-library-output div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.material-library-output span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.material-library-output strong {
  display: block;
  color: var(--blue-dark);
  font-size: 13px;
  line-height: 1.35;
}

#recommended-rate-output {
  color: var(--danger);
  font-size: 17px;
}

.hidden {
  display: none !important;
}

label span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

label#schedule-field.schedule-active > span {
  color: var(--amber) !important;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  padding: 9px 10px;
}

input[readonly] {
  background: var(--surface-strong);
  color: var(--blue-dark);
  cursor: default;
  font-weight: 800;
}

input:focus,
select:focus,
button:focus {
  outline: 3px solid rgba(39, 96, 143, 0.18);
  outline-offset: 1px;
}

.source-pill {
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--surface-strong);
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 700;
}

.what-if-panel .panel-heading .source-pill {
  white-space: nowrap;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.metric {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.metric span,
.price-card span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.metric strong {
  font-size: 20px;
}

.price-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.estimate-basis-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-strong);
  overflow: hidden;
}

.estimate-basis-column {
  min-width: 0;
  padding: 16px;
}

.estimate-basis-column + .estimate-basis-column {
  border-left: 1px solid var(--border);
}

.estimate-basis-column h3 {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 700;
}

.estimate-basis-column dl div {
  padding: 8px 0;
}

.estimate-basis-column dt {
  font-size: 12px;
}

.estimate-basis-column dd {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  overflow-wrap: anywhere;
  text-align: right;
}

.estimate-risk-column h3,
.estimate-risk-column dd {
  color: var(--amber);
}

.price-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.price-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.factor-help {
  max-width: 280px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.price-card.median {
  background: var(--green-bg);
  border-color: rgba(29, 122, 88, 0.28);
}

.price-card.p90 {
  background: var(--amber-bg);
  border-color: rgba(168, 95, 0, 0.28);
}

.factor {
  margin-bottom: 14px;
  font-size: 34px;
  font-weight: 800;
}

.median .factor {
  color: var(--green);
}

.p90 .factor {
  color: var(--amber);
}

dl {
  margin: 0;
}

dl div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(100, 116, 139, 0.22);
}

dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

dd {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  text-align: right;
}

[data-theme="dark"] .metric strong,
[data-theme="dark"] .price-card h3,
[data-theme="dark"] dt,
[data-theme="dark"] dd {
  color: var(--text);
}

[data-theme="dark"] .price-card.median,
[data-theme="dark"] .price-card.p90 {
  background: var(--surface);
}

.warning {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--danger);
  font-weight: 700;
}

.success-message {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--amber);
  font-size: 14px;
  font-weight: 800;
}

.line-items-panel {
  margin-top: 18px;
  padding: 18px 20px;
}

.bom-panel {
  margin-top: 18px;
  padding: 18px 20px;
}

.bom-upload-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: stretch;
}

.template-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 104, 31, 0.3);
  border-radius: 8px;
  background: var(--amber-bg);
}

.template-callout strong {
  display: block;
  margin-bottom: 5px;
  color: var(--blue-dark);
  font-size: 15px;
  font-weight: 800;
}

.template-callout p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.template-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  min-width: 260px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--blue-dark);
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.template-download:hover {
  border-color: #ff681f;
  box-shadow: 0 12px 24px rgba(255, 104, 31, 0.16);
  transform: translateY(-1px);
}

.template-download svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.file-drop {
  position: relative;
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 210px;
  padding: 36px 18px;
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--blue-dark);
  cursor: pointer;
  text-align: center;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.file-drop:hover,
.file-drop.drag-over {
  border-color: #ff681f;
  background: var(--amber-bg);
  transform: translateY(-1px);
}

.upload-icon {
  display: grid;
  place-items: center;
  width: 62px;
  height: 52px;
  color: var(--muted);
}

.upload-icon svg {
  width: 58px;
  height: 58px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3.2;
}

.file-drop strong {
  color: var(--blue-dark);
  font-size: 18px;
  font-weight: 800;
}

.file-drop small {
  color: #ff681f;
  font-size: 14px;
  font-weight: 700;
}

.file-drop input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  opacity: 0;
}

.bom-progress {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid #cfe0f0;
  border-radius: 8px;
  background: #f7fbff;
  text-align: center;
}

.bom-progress[hidden] {
  display: none;
}

.bom-progress-ring {
  --progress: 0%;
  position: relative;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: conic-gradient(from -90deg, #1463ff var(--progress), #e8eef5 0);
}

.bom-progress-ring::before {
  position: absolute;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: #f7fbff;
  content: "";
}

.bom-progress-center {
  z-index: 1;
  display: grid;
  gap: 1px;
  text-align: center;
}

.bom-progress-center strong {
  color: var(--blue-dark);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.1;
}

.bom-progress-center span,
.bom-progress-copy small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.bom-progress-copy {
  max-width: min(100%, 620px);
  min-width: 0;
}

.bom-progress-copy strong {
  display: block;
  color: var(--blue-dark);
  font-size: 16px;
  font-weight: 800;
}

.bom-progress-copy p {
  overflow: hidden;
  margin: 5px 0 7px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bom-progress-copy small {
  color: #1463ff;
}

.bom-help {
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  background: var(--surface-strong);
}

.bom-help summary {
  color: var(--blue-dark);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.bom-help p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.bom-status {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.bom-status.success {
  color: var(--green);
}

.bom-status.error {
  color: var(--danger);
}

.bom-upload-report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
}

.report-actions {
  align-items: center;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
  table-layout: fixed;
}

th,
td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.25;
  text-align: center;
  white-space: normal;
}

th {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.sort-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 100%;
  min-height: 26px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  line-height: 1.15;
  padding: 0;
  text-transform: uppercase;
}

.sort-button span {
  color: var(--blue);
  font-size: 12px;
  line-height: 1;
}

.sort-button:hover {
  color: var(--blue-dark);
}

.empty-row td {
  text-align: left;
}

.text-column {
  width: 15%;
  text-align: center;
  word-break: break-word;
}

.empty-row td {
  color: var(--muted);
  font-weight: 700;
}

.remove-line {
  border: 1px solid rgba(180, 35, 24, 0.28);
  border-radius: 6px;
  background: #fff7f6;
  color: var(--danger);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 7px;
}

.remove-line:hover {
  background: #ffe8e5;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.summary-strip article {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.summary-strip span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.summary-strip strong {
  color: var(--blue-dark);
  font-size: 20px;
}

.category-review {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.category-review-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.category-review-heading h3 {
  margin-bottom: 5px;
  color: var(--blue-dark);
  font-size: 17px;
}

.category-review-heading h3 {
  display: flex;
  align-items: center;
  gap: 9px;
}

.category-review-heading h3::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: #ff6624;
  box-shadow: 0 0 0 3px rgba(255, 102, 36, 0.12);
}

.category-review-heading p,
.category-table-title p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.category-review-badges {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.audit-line-check {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.audit-line-check-warning {
  border-color: rgba(190, 18, 60, 0.35);
  background: rgba(190, 18, 60, 0.08);
  color: #be123c;
}

.category-review-details {
  margin-top: 12px;
}

.category-review-details > summary {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 16px 30px rgba(29, 122, 88, 0.22);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  transition:
    background 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.category-review-details > summary:hover {
  background: #168054;
  box-shadow: 0 18px 34px rgba(29, 122, 88, 0.28);
  transform: translateY(-1px);
}

.category-review-details[open] > summary {
  margin-bottom: 12px;
}

.category-tables {
  display: grid;
  gap: 14px;
}

.category-estimate-summary {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.category-estimate-summary h4 {
  margin: 0 0 6px;
  color: var(--blue-dark);
  font-size: 16px;
}

.category-disclaimer {
  margin: 0 0 10px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.category-summary-table {
  min-width: 820px;
}

.category-summary-table .text-column {
  width: 24%;
}

.category-table-card {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.category-table-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.category-table-title h4 {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  margin: 0 0 5px;
  background: rgba(29, 122, 88, 0.1);
  color: var(--green);
  font-size: 16px;
}

.category-summary-rs {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 104, 31, 0.1);
  color: var(--orange);
  font-weight: 800;
}

.category-heading-carbon {
  background: rgba(39, 96, 143, 0.12) !important;
  color: var(--blue-dark) !important;
}

.category-heading-lowtemp {
  background: rgba(39, 96, 143, 0.08) !important;
  color: var(--blue) !important;
}

.category-heading-alloy {
  background: rgba(255, 104, 31, 0.13) !important;
  color: #c94f12 !important;
}

.category-heading-stainless {
  background: rgba(29, 122, 88, 0.12) !important;
  color: var(--green) !important;
}

.category-heading-duplex {
  background: rgba(123, 92, 214, 0.13) !important;
  color: #6b4fd6 !important;
}

.category-heading-nonferrous {
  background: rgba(168, 95, 0, 0.14) !important;
  color: #8a5200 !important;
}

.category-heading-unclassified {
  background: rgba(100, 116, 139, 0.14) !important;
  color: var(--muted) !important;
}

.category-heading-default {
  background: rgba(29, 122, 88, 0.1) !important;
  color: var(--green) !important;
}

.category-table {
  min-width: 860px;
}

.category-table .text-column {
  width: 20%;
}

.category-audit-details {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.category-audit-details summary {
  display: inline-flex;
  align-items: center;
  width: auto;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  transform: none;
}

.category-audit-details summary:hover {
  background: transparent;
  box-shadow: none;
  color: var(--blue-dark);
  transform: none;
}

.category-audit-details[open] summary {
  margin-bottom: 10px;
  color: var(--blue-dark);
}

.category-audit-table {
  min-width: 720px;
}

.category-audit-table th,
.category-audit-table td {
  font-size: 12px;
}

.what-if-panel {
  margin-top: 18px;
  padding: 18px 20px;
  box-shadow: none;
}

.what-if-details {
  margin-top: 12px;
}

.what-if-details summary {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 16px 30px rgba(29, 122, 88, 0.22);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  transition:
    background 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.what-if-details summary:hover {
  background: #168054;
  box-shadow: 0 18px 34px rgba(29, 122, 88, 0.28);
  transform: translateY(-1px);
}

.bom-group-panel {
  margin-top: 18px;
  padding: 18px 20px;
  box-shadow: none;
}

.service-cost-panel {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: none;
}

.service-cost-details {
  margin-top: 12px;
}

.service-cost-details > summary {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #12b6af, #216fdb);
  box-shadow: 0 16px 30px rgba(33, 111, 219, 0.22);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
}

.service-cost-details > summary:hover {
  background: linear-gradient(90deg, #0fa39d, #185fc3);
  box-shadow: 0 18px 34px rgba(33, 111, 219, 0.3);
}

.service-cost-details[open] > summary {
  margin-bottom: 14px;
}

.service-basis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.service-basis-grid label,
.service-basis-note {
  display: grid;
  gap: 7px;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--soft-blue);
}

.service-basis-grid label span,
.service-basis-note span,
.service-cost-summary span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.service-basis-grid select,
.service-basis-grid input {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  padding: 8px 10px;
}

.service-basis-note strong {
  color: var(--blue-dark);
  font-size: 16px;
}

.service-basis-note small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.service-cost-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.service-cost-summary article {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--soft-blue);
}

.service-cost-summary strong {
  display: block;
  margin-top: 5px;
  color: var(--blue-dark);
  font-size: 18px;
}

/* Make the final direct-service figure easy to identify during review. */
#service-direct-total {
  color: #c62828;
}

.service-cost-summary small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.service-part-b-wrap {
  margin: 14px 0;
}

.service-part-b-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.service-cost-panel .source-pill {
  flex: 0 0 auto;
  white-space: nowrap;
}

.service-part-b-card .category-table-title {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, #edf6fb 0%, #ffffff 72%);
}

.service-part-b-card h3 {
  margin: 0;
  color: var(--blue-dark);
}

.service-part-b-card tfoot td {
  padding: 13px 12px;
  background: #eaf3f8;
  color: var(--blue-dark);
  font-weight: 800;
}

.service-part-b-card tfoot td:nth-child(2) {
  color: #c62828;
}

.service-cost-table {
  min-width: 1280px;
}

.service-part-b-table {
  min-width: 1240px;
}

.additional-service-form {
  display: grid;
  grid-template-columns: minmax(190px, 1.4fr) minmax(150px, 1fr) minmax(100px, 0.6fr) minmax(100px, 0.6fr) minmax(120px, 0.7fr) 42px;
  gap: 10px;
  align-items: end;
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  background: #f7fbfd;
}

.additional-service-form label {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.additional-service-form label span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.additional-service-form input {
  width: 100%;
  min-height: 38px;
  box-sizing: border-box;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  padding: 8px 10px;
}

.additional-service-add,
.additional-service-remove {
  border: 0;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.additional-service-add {
  min-width: 42px;
  min-height: 38px;
  background: #38a169;
  font-size: 22px;
  line-height: 1;
}

.additional-service-add:hover {
  background: #218653;
}

.additional-service-remove {
  margin-left: 8px;
  padding: 4px 8px;
  background: #d94b5d;
  line-height: 1;
}

.additional-service-remove:hover {
  background: #b83d4d;
}

.service-part-b-table .user-entered-service-row td {
  background: #fff3e5;
  color: #a1440a;
  font-weight: 700;
}

.service-support-table-wrap {
  margin: 0 0 14px;
}

.service-insulation-table-wrap {
  margin: 0 0 14px;
}

.service-painting-table-wrap {
  margin: 0 0 14px;
}

.service-pwht-table-wrap {
  margin: 0 0 14px;
}

.pipe-support-card h3,
.pipe-insulation-card h3,
.pipe-painting-card h3,
.pipe-pwht-card h3 {
  margin: 0;
  color: var(--blue-dark);
  font-size: 17px;
}

.pipe-support-table,
.pipe-insulation-table,
.pipe-painting-table,
.pipe-pwht-table {
  min-width: 980px;
}

.service-scope-section + .service-scope-section {
  margin-top: 22px;
}

.service-scope-section > h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
  font-size: 17px;
  font-weight: 700;
}

.service-scope-section .service-category-card + .service-category-card {
  margin-top: 10px;
}

.service-cost-table .review-row td {
  color: #b42318;
  font-weight: 700;
}

.service-cost-table td:last-child {
  min-width: 220px;
  white-space: normal;
}

.service-disclaimer {
  margin: 14px 0 0;
  padding: 11px 12px;
  border-left: 3px solid #ff681f;
  border-radius: 0 6px 6px 0;
  background: rgba(255, 104, 31, 0.08);
  color: var(--blue-dark);
  font-size: 12px;
  line-height: 1.5;
}

.bom-group-details {
  margin-top: 12px;
}

.component-quick-panel {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.component-quick-panel .panel-heading {
  align-items: flex-start;
}

.component-quick-panel .panel-heading p {
  max-width: 680px;
}

.component-quick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  gap: 18px;
  margin-top: 16px;
}

.component-input-area,
.component-output-area {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.component-input-heading,
.component-output-header h3 {
  margin: 0 0 14px;
  color: var(--blue-dark);
}

.component-input-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.component-input-heading h3,
.component-output-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.component-input-area {
  background: var(--surface-strong);
}

.component-output-area {
  background: #f5faf8;
}

.component-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.component-field-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.component-field-grid input,
.component-field-grid select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  padding: 9px 11px;
}

.component-field-grid input[readonly] {
  background: #eef4f8;
  color: var(--muted);
}

.component-output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.component-output-header h3 {
  margin: 0;
}

.component-status {
  color: #17684d;
  font-size: 12px;
  font-weight: 600;
}

.component-status.review {
  color: #b42318;
}

.component-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.component-metrics article {
  min-height: 82px;
  border: 1px solid #cfe0e8;
  border-radius: 7px;
  background: var(--surface);
  padding: 10px;
}

.component-metrics span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.component-metrics strong {
  display: block;
  margin-top: 7px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.component-basis,
.component-warning {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.component-warning {
  color: #b42318;
  font-weight: 600;
}

[data-theme="dark"] .component-output-area {
  background: #102a2d;
}

[data-theme="dark"] .component-input-area {
  background: #122331;
}

[data-theme="dark"] .component-field-grid input[readonly] {
  background: #1a3444;
}

@media (max-width: 900px) {
  .component-quick-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .pipe-quick-section {
    padding: 16px;
  }

  .component-quick-panel {
    padding: 16px;
  }

  .component-field-grid,
  .component-metrics {
    grid-template-columns: 1fr 1fr;
  }
}

.bom-heading-actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.bom-review-copy {
  max-width: 680px;
}

.report-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff681f, #c94f12);
  box-shadow: 0 14px 28px rgba(255, 104, 31, 0.26);
  color: #ffffff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 9px 18px;
  transition:
    box-shadow 160ms ease,
    transform 160ms ease;
}

.report-button:hover {
  box-shadow: 0 18px 34px rgba(255, 104, 31, 0.32);
  transform: translateY(-1px);
}

.excel-report-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid #287a5d;
  border-radius: 999px;
  background: #ffffff;
  color: #17684d;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 9px 18px;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.excel-report-button:hover {
  background: #17684d;
  color: #ffffff;
  transform: translateY(-1px);
}

.bom-report-preview {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}

.bom-report-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--soft-blue), var(--surface));
}

.bom-report-preview-header h3 {
  margin: 0 0 4px;
  color: var(--blue-dark);
  font-size: 20px;
}

.bom-report-preview-header p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.bom-report-preview-actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

#bom-report-frame,
#estimator-report-frame,
#bom-upload-report-frame {
  display: block;
  width: 100%;
  min-height: 820px;
  border: 0;
  background: #ffffff;
}

.ask-estimator-report-preview {
  margin-top: 16px;
}

.bom-group-details > summary {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 16px 30px rgba(29, 122, 88, 0.22);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  transition:
    background 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.bom-group-details > summary:hover {
  background: #168054;
  box-shadow: 0 18px 34px rgba(29, 122, 88, 0.28);
  transform: translateY(-1px);
}

.bom-group-details[open] > summary {
  margin-bottom: 12px;
}

.bom-group-tables {
  display: grid;
  gap: 14px;
  min-width: 0;
  width: 100%;
}

.component-cost-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
  width: 100%;
}

.component-cost-summary article {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--soft-blue);
}

.component-cost-summary span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.component-cost-summary strong {
  color: var(--blue-dark);
  font-size: 20px;
}

.bom-group-card {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.bom-group-title {
  display: block;
  margin-bottom: 10px;
}

.bom-group-title h4 {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 16px;
}

.bom-heading-pipe {
  background: rgba(39, 96, 143, 0.12);
  color: var(--blue-dark);
}

.bom-heading-fitting {
  background: rgba(29, 122, 88, 0.12);
  color: var(--green);
}

.bom-heading-flange {
  background: rgba(255, 104, 31, 0.13);
  color: #c94f12;
}

.bom-heading-valve {
  background: rgba(123, 92, 214, 0.13);
  color: #6b4fd6;
}

.bom-heading-bolt {
  background: rgba(168, 95, 0, 0.14);
  color: #8a5200;
}

.bom-heading-gasket {
  background: rgba(14, 116, 144, 0.13);
  color: #0e7490;
}

.bom-heading-trap {
  background: rgba(190, 18, 60, 0.1);
  color: #be123c;
}

.bom-heading-other {
  background: rgba(100, 116, 139, 0.14);
  color: var(--muted);
}

.bom-group-title p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.bom-group-normal-total {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 104, 31, 0.1);
  color: var(--muted);
  font-weight: 800;
}

.bom-group-table {
  min-width: 1240px;
}

.bom-group-table .text-column {
  width: auto;
}

/* Keep commercial columns compact so BOM descriptions have room to wrap cleanly. */
.bom-col-item {
  width: 10%;
}

.bom-col-size {
  width: 5.5%;
}

.bom-col-rating {
  width: 9%;
}

.bom-col-material {
  width: 12%;
}

.bom-col-category {
  width: 12%;
}

.bom-col-qty,
.bom-col-uom {
  width: 5%;
}

.bom-col-factor {
  width: 5.5%;
}

.bom-col-unit-rate {
  width: 8%;
}

.bom-col-total {
  width: 9%;
}

.bom-col-source {
  width: 10%;
}

.bolt-group-table {
  min-width: 1320px;
}

.bolt-group-table .bom-col-item {
  width: 9%;
}

.bolt-group-table .bom-col-size,
.bolt-group-table .bom-col-qty,
.bolt-group-table .bom-col-uom,
.bolt-group-table .bom-col-factor {
  width: 5%;
}

.bolt-group-table .bom-col-rating {
  width: 8%;
}

.bolt-group-table .bom-col-material,
.bolt-group-table .bom-col-category {
  width: 11%;
}

.bolt-group-table .bom-col-set-weight {
  width: 7%;
}

.bolt-group-table .bom-col-unit-rate {
  width: 7.5%;
}

.bolt-group-table .bom-col-total {
  width: 8.5%;
}

.bolt-group-table .bom-col-source {
  width: 9%;
}

.bom-group-table td:nth-child(1),
.bom-group-table td:nth-child(3),
.bom-group-table td:nth-child(4),
.bom-group-table td:nth-child(5),
.bom-group-table td:last-child {
  overflow-wrap: anywhere;
}

.bom-group-table .review-row td {
  color: #b42318;
  font-weight: 700;
}

.review-inline-note {
  display: block;
  margin-top: 6px;
  color: #b42318;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.fallback-pill {
  display: inline-flex;
  margin-left: 6px;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(255, 104, 31, 0.12);
  color: #c94f12;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.what-if-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.whatif-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, 0.85fr);
  gap: 12px;
  margin-top: 14px;
}

.whatif-input-panel,
.whatif-output-panel {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.whatif-input-panel {
  background: rgba(237, 245, 252, 0.62);
}

.whatif-output-panel {
  background: rgba(241, 251, 247, 0.68);
}

.whatif-input-panel h3,
.whatif-output-panel h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
  font-size: 16px;
}

.whatif-input-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.whatif-input-heading h3 {
  margin-bottom: 4px;
}

.whatif-input-heading p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.whatif-input-heading label {
  display: grid;
  gap: 5px;
  flex: 0 0 190px;
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.whatif-input-heading select {
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 8px;
  text-transform: none;
}

.whatif-slider-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.whatif-input-panel .what-if-controls {
  margin-top: 10px;
}

.whatif-input-panel .whatif-slider-grid {
  grid-template-columns: 1fr;
}

.whatif-input-panel .what-if-slider {
  gap: 10px;
  padding: 13px 14px;
  border-radius: 8px;
  background: var(--surface);
}

.slider-card-head {
  display: grid;
  grid-template-columns: minmax(150px, 1.25fr) minmax(90px, 0.7fr) minmax(120px, 0.85fr);
  align-items: start;
  gap: 12px;
}

.slider-card-head label {
  display: grid;
  gap: 4px;
  margin: 0;
}

.slider-card-head label > span {
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 800;
  text-transform: none;
}

.slider-card-head label small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.slider-adjustment-info,
.slider-adjusted-info {
  display: grid;
  gap: 4px;
}

.slider-adjustment-info {
  justify-items: center;
  text-align: center;
}

.slider-adjusted-info {
  justify-items: end;
  text-align: right;
}

.slider-adjustment-info span,
.slider-adjusted-info span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: none;
}

.slider-adjustment-info strong,
.slider-adjusted-info strong {
  color: var(--blue-dark);
  font-size: 16px;
}

.slider-adjustment-info strong[data-tone="negative"],
.slider-adjusted-info strong[data-tone="negative"] {
  color: var(--green);
}

.slider-adjustment-info strong[data-tone="positive"],
.slider-adjusted-info strong[data-tone="positive"] {
  color: #ff681f;
}

.whatif-input-panel .slider-track-wrap {
  min-height: 41px;
  padding: 5px 0 20px;
}

.whatif-input-panel .slider-track-wrap::before {
  position: absolute;
  top: 15px;
  right: 0;
  left: 0;
  height: 4px;
  border-radius: 999px;
  background: var(--surface-strong);
  content: "";
}

.whatif-input-panel .slider-rupee-thumb,
.whatif-input-panel .slider-factor-thumb {
  top: 3px;
}

.slider-progress {
  position: absolute;
  z-index: 2;
  top: 15px;
  left: 0;
  width: 50%;
  height: 4px;
  border-radius: 999px;
  background: var(--blue-dark);
  pointer-events: none;
}

.slider-progress[data-tone="negative"] {
  background: var(--green);
}

.slider-progress[data-tone="positive"] {
  background: #ff681f;
}

#pipe-factor-slider-panel .slider-progress[data-tone="base"],
#pipe-factor-slider-panel .slider-factor-thumb[data-tone="base"] {
  background: #197353;
}

#component-factor-slider-panel .slider-progress[data-tone="base"],
#component-factor-slider-panel .slider-factor-thumb[data-tone="base"] {
  background: #7143ac;
}

#pipe-factor-slider-panel .slider-adjustment-info strong[data-tone="base"],
#pipe-factor-slider-panel .slider-adjusted-info strong[data-tone="base"] {
  color: #197353;
}

#component-factor-slider-panel .slider-adjustment-info strong[data-tone="base"],
#component-factor-slider-panel .slider-adjusted-info strong[data-tone="base"] {
  color: #7143ac;
}

.whatif-input-panel .what-if-slider input[type="range"]::-webkit-slider-runnable-track {
  background: transparent !important;
}

.whatif-input-panel .what-if-slider input[type="range"]::-moz-range-track {
  background: transparent !important;
}

.whatif-input-panel .slider-mid-marker {
  top: 16px;
  bottom: auto;
  min-width: 0;
}

.whatif-input-panel .slider-mid-marker span {
  width: 1px;
  height: 8px;
  background: var(--blue-dark);
}

.slider-tick-labels {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

/* Keep the three sensitivity controls deliberately quiet and uniform. */
.whatif-input-panel .slider-card-head label > span,
.whatif-input-panel .slider-card-head label small,
.whatif-input-panel .slider-adjustment-info span,
.whatif-input-panel .slider-adjusted-info span,
.whatif-input-panel .slider-adjustment-info strong,
.whatif-input-panel .slider-adjusted-info strong,
.whatif-input-panel .slider-tick-labels {
  text-transform: none;
}

.whatif-input-panel .slider-tick-labels span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.whatif-input-panel .slider-adjustment-info strong[data-tone="base"],
.whatif-input-panel .slider-adjusted-info strong[data-tone="base"] {
  color: var(--blue-dark);
}

.whatif-input-panel .slider-card-head label > span {
  font-weight: 600;
}

.whatif-scope-control {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-strong);
}

.whatif-scope-control label {
  display: grid;
  gap: 6px;
  min-width: min(100%, 290px);
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.whatif-scope-control select {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 10px;
  text-transform: none;
}

.whatif-scope-control p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.what-if-controls > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.what-if-controls label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 700;
}

.what-if-controls label:nth-of-type(1) {
  color: #1d5dbf;
}

.what-if-controls label:nth-of-type(2) {
  color: #197353;
}

.what-if-controls label:nth-of-type(3) {
  color: #7143ac;
}

.what-if-controls label:nth-of-type(4) {
  color: var(--blue-dark);
}

.what-if-controls label:nth-of-type(4) input {
  border-color: #ff681f;
}

.what-if-controls label:nth-of-type(4) input:checked {
  background: #ff681f;
}

.what-if-controls label.is-disabled {
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.6;
}

.what-if-controls input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.what-if-controls input {
  display: grid;
  place-content: center;
  width: 17px;
  height: 17px;
  min-height: 0;
  margin: 0;
  appearance: none;
  border: 1px solid #ff681f;
  border-radius: 4px;
  background: var(--surface);
}

.what-if-controls input:checked {
  background: #ff681f;
}

.what-if-controls input:checked::before {
  content: "";
  width: 5px;
  height: 9px;
  margin-bottom: 1px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
}

.what-if-slider {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.whatif-slider-grid .what-if-slider {
  min-width: 0;
  margin-top: 0;
  padding: 11px;
}

.what-if-slider.is-disabled {
  opacity: 0.58;
  background: var(--surface-strong);
}

.what-if-slider.is-disabled input[type="range"] {
  cursor: not-allowed;
}

.what-if-slider label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
}

/* Keep the group name and its base value as two deliberate lines. */
.whatif-input-panel .slider-card-head label {
  display: grid;
  grid-auto-flow: row;
  align-items: start;
  justify-content: start;
  gap: 4px;
}

.whatif-input-panel .slider-card-head label > span,
.whatif-input-panel .slider-card-head label > small {
  display: block;
  width: 100%;
}

.what-if-slider span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.what-if-slider strong {
  color: #ff681f;
  font-size: 18px;
}

.slider-rate {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid rgba(255, 104, 31, 0.22);
  border-radius: 6px;
  background: rgba(255, 104, 31, 0.08);
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 800;
}

.whatif-slider-grid .slider-rate {
  min-height: 35px;
  padding: 6px 8px;
}

.slider-rate span {
  color: var(--blue-dark);
  font-size: 13px;
  text-transform: none;
}

.slider-rate #raw-steel-slider-value {
  font-size: 18px;
}

.slider-rate strong {
  font-size: 18px;
}

.whatif-slider-grid .slider-rate span,
.whatif-slider-grid .slider-rate strong {
  font-size: 13px;
}

.whatif-slider-grid .slider-rate #raw-steel-slider-value {
  font-size: 15px;
}

.slider-rate [data-tone="negative"] {
  color: var(--green) !important;
}

.slider-rate [data-tone="base"] {
  color: var(--blue-dark) !important;
}

.slider-rate [data-tone="positive"] {
  color: #ff681f !important;
}

.slider-divider {
  color: var(--muted) !important;
}

.slider-track-wrap {
  position: relative;
  padding: 8px 0 32px;
}

.whatif-slider-grid .slider-track-wrap {
  padding: 6px 0 27px;
}

.what-if-slider input[type="range"] {
  --slider-tone-color: var(--blue-dark);
  position: relative;
  z-index: 3;
  width: 100%;
  min-height: 24px;
  border: 0;
  border-radius: 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  accent-color: var(--slider-tone-color);
  background: transparent;
  cursor: pointer;
}

.whatif-input-panel .what-if-slider input[type="range"]:focus {
  outline: 0;
}

.what-if-slider input[type="range"][data-tone="negative"] {
  --slider-tone-color: var(--green);
}

.what-if-slider input[type="range"][data-tone="base"] {
  --slider-tone-color: var(--blue-dark);
}

.what-if-slider input[type="range"][data-tone="positive"] {
  --slider-tone-color: #ff681f;
}

.what-if-slider input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: var(--slider-tone-color);
}

.what-if-slider input[type="range"]::-webkit-slider-thumb {
  width: 26px;
  height: 26px;
  margin-top: -10px;
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  opacity: 0;
}

.what-if-slider input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: var(--slider-tone-color);
}

.what-if-slider input[type="range"]::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border: 0;
  background: transparent;
  opacity: 0;
}

.slider-rupee-thumb,
.slider-factor-thumb {
  position: absolute;
  top: 6px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--blue-dark);
  box-shadow: 0 8px 18px rgba(31, 41, 51, 0.22);
  color: #fff !important;
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 4;
}

.slider-rupee-thumb[data-tone="negative"],
.slider-factor-thumb[data-tone="negative"] {
  background: var(--green);
}

.slider-rupee-thumb[data-tone="base"],
.slider-factor-thumb[data-tone="base"] {
  background: var(--blue-dark);
}

.slider-rupee-thumb[data-tone="positive"],
.slider-factor-thumb[data-tone="positive"] {
  background: #ff681f;
}

.slider-factor-thumb {
  font-size: 15px;
  text-transform: none;
}

.what-if-slider.is-disabled .slider-rupee-thumb,
.what-if-slider.is-disabled .slider-factor-thumb {
  display: none;
}

.slider-mid-marker {
  position: absolute;
  left: 50%;
  bottom: 0;
  display: grid;
  justify-items: center;
  gap: 3px;
  min-width: 150px;
  transform: translateX(-50%);
  pointer-events: none;
}

.slider-mid-marker span {
  width: 2px;
  height: 13px;
  border-radius: 999px;
  background: var(--blue-dark);
}

.slider-mid-marker strong {
  color: var(--blue-dark);
  font-size: 11px;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.whatif-slider-grid .slider-mid-marker {
  min-width: 130px;
}

.whatif-slider-grid .slider-mid-marker strong {
  font-size: 10px;
}

.what-if-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.whatif-output-panel .what-if-summary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 10px;
}

.whatif-output-panel .what-if-summary article {
  padding: 10px;
}

.whatif-output-panel .what-if-summary article:last-child {
  grid-column: 1 / -1;
}

.whatif-output-panel .what-if-summary article[class^="scenario-"] {
  background: var(--surface);
}

.whatif-output-panel .what-if-chart {
  margin-bottom: 0;
  padding: 10px;
}

.whatif-output-panel .scenario-bar {
  grid-template-columns: minmax(95px, 120px) 1fr minmax(70px, auto);
  gap: 6px;
  font-size: 11px;
}

.whatif-output-panel .bar-track {
  height: 8px;
}

.what-if-summary article {
  padding: 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.what-if-summary span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.what-if-summary strong {
  color: var(--blue-dark);
  font-size: 16px;
}

.scenario-base {
  --scenario-color: #27608f;
  --scenario-bg: rgba(39, 96, 143, 0.12);
  --scenario-border: rgba(39, 96, 143, 0.35);
}

.scenario-low {
  --scenario-color: #1d7a58;
  --scenario-bg: rgba(29, 122, 88, 0.12);
  --scenario-border: rgba(29, 122, 88, 0.34);
}

.scenario-high {
  --scenario-color: #ff681f;
  --scenario-bg: rgba(255, 104, 31, 0.12);
  --scenario-border: rgba(255, 104, 31, 0.34);
}

.scenario-range {
  --scenario-color: #7a4f01;
  --scenario-bg: rgba(168, 95, 0, 0.12);
  --scenario-border: rgba(168, 95, 0, 0.3);
}

.scenario-driver {
  --scenario-color: #ff681f;
  --scenario-bg: rgba(255, 104, 31, 0.12);
  --scenario-border: rgba(255, 104, 31, 0.34);
}

.scenario-standard {
  --scenario-color: #9aa6b2;
  --scenario-bg: rgba(148, 163, 184, 0.08);
  --scenario-border: rgba(148, 163, 184, 0.16);
}

.what-if-summary article[class^="scenario-"] {
  background: var(--scenario-bg);
  border-color: var(--scenario-border);
}

.what-if-summary article[class^="scenario-"] strong {
  color: var(--scenario-color);
}

.what-if-chart {
  display: grid;
  gap: 9px;
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.scenario-chart-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--border);
}

.scenario-chart-heading strong {
  color: var(--blue-dark);
  font-size: 13px;
}

.scenario-chart-heading span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.scenario-bar {
  display: grid;
  grid-template-columns: minmax(110px, 150px) 1fr minmax(90px, auto);
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.scenario-bar span {
  color: var(--muted);
  font-weight: 700;
}

.scenario-bar.scenario-base span,
.scenario-bar.scenario-low span,
.scenario-bar.scenario-high span {
  color: var(--scenario-color);
}

.scenario-bar strong {
  color: var(--blue-dark);
  font-size: 13px;
  text-align: right;
  white-space: nowrap;
}

.scenario-bar.scenario-base strong,
.scenario-bar.scenario-low strong,
.scenario-bar.scenario-high strong {
  color: var(--scenario-color);
}

.bar-track {
  height: 11px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-strong);
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--scenario-color, #2f6f8f);
}

.what-if-table-wrap {
  margin-bottom: 12px;
}

.what-if-table {
  min-width: 860px;
}

.whatif-sort-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  padding: 0;
  text-transform: uppercase;
}

.whatif-sort-button:hover,
.whatif-sort-button[aria-sort="asc"],
.whatif-sort-button[aria-sort="desc"] {
  color: var(--blue-dark);
}

.what-if-table tbody tr {
  background: var(--scenario-bg, var(--surface));
}

.what-if-table tbody tr td:first-child {
  color: var(--scenario-color, var(--blue-dark));
  font-weight: 800;
}

.empty-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.audit-panel {
  margin-top: 18px;
  padding: 18px 20px;
  box-shadow: none;
}

.audit-details {
  margin-top: 12px;
}

.audit-details > summary {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #12b6af, #216fdb);
  box-shadow: 0 16px 30px rgba(33, 111, 219, 0.22);
  color: #ffffff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.audit-details > summary:hover {
  background: linear-gradient(90deg, #0fa39d, #185fc3);
  box-shadow: 0 18px 34px rgba(33, 111, 219, 0.3);
  transform: translateY(-1px);
}

.audit-details[open] > summary {
  margin-bottom: 14px;
}

.audit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.audit-grid article {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.audit-grid h3 {
  margin-bottom: 8px;
  color: var(--blue-dark);
  font-size: 16px;
}

.audit-grid p,
.audit-grid ul,
.audit-note {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.audit-grid ul {
  margin: 0;
  padding-left: 18px;
}

.audit-grid li {
  margin: 3px 0;
}

.audit-example {
  margin: 12px 0 0;
  padding: 10px 11px;
  border-left: 3px solid #ff681f;
  border-radius: 0 6px 6px 0;
  background: rgba(255, 104, 31, 0.08);
  color: var(--blue-dark);
  font-size: 12px;
  line-height: 1.5;
}

.audit-example strong {
  color: var(--blue-dark);
}

[data-theme="dark"] .audit-example {
  background: rgba(255, 104, 31, 0.14);
}

.override-value {
  color: var(--danger);
  font-weight: 800;
}

.audit-note {
  margin: 14px 0 0;
  font-weight: 700;
}

.method-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 18px;
  margin-top: 18px;
  padding: 18px 20px;
  box-shadow: none;
}

.method-panel h2 {
  margin-bottom: 8px;
  font-size: 18px;
}

.method-panel p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.method-panel .formula-line {
  display: inline-block;
  margin: 10px 0;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--blue-dark);
  font-weight: 800;
}

.formula-notes {
  margin: 0 0 10px;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.formula-notes li {
  margin: 2px 0;
}

.method-points {
  display: grid;
  gap: 8px;
}

.method-points span {
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--surface-strong);
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 700;
}

.site-footer {
  margin-top: 18px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

@media (max-width: 920px) {
  body {
    padding-left: 96px;
  }

  .side-nav {
    width: 96px;
    padding: 18px 18px;
  }

  .side-brand > div:not(.side-brand-mark),
  .side-product,
  .side-workflow-label,
  .side-nav-footer span:last-child {
    display: none;
  }

  .side-nav a {
    justify-content: center;
    padding: 12px 6px;
    font-size: 0;
  }

  .side-nav a::before {
    left: 4px;
  }

  .side-nav .nav-text {
    display: none;
  }

  .side-nav .nav-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
  }

  .app-shell,
  body.side-nav-collapsed .app-shell {
    width: min(100% - 96px, 1180px);
    margin-left: auto;
    margin-right: auto;
  }

  .app-header,
  .context-grid,
  .tool-grid,
  .method-panel {
    grid-template-columns: 1fr;
  }

  .tool-grid {
    display: grid;
  }

  .app-header {
    display: block;
  }

  .header-actions {
    position: static;
    margin-top: 14px;
    align-items: flex-start;
  }

  .header-actions .capability-line {
    text-align: left;
  }

  .metrics,
  .price-columns,
  .estimate-basis-band,
  .summary-strip,
  .what-if-summary,
  .material-library-output,
  .audit-grid,
  .service-basis-grid,
  .service-cost-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .whatif-slider-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .additional-service-form {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .whatif-main-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: calc(100% - 20px);
    margin-left: auto;
    margin-right: auto;
    padding-top: 18px;
  }

  .field-grid,
  .context-grid,
  .material-library-grid,
  .material-library-output,
  .metrics,
  .price-columns,
  .estimate-basis-band,
  .summary-strip,
  .what-if-summary,
  .bom-upload-grid,
  .audit-grid,
  .service-basis-grid,
  .service-cost-summary {
    grid-template-columns: 1fr;
  }

  .whatif-slider-grid {
    grid-template-columns: 1fr;
  }

  .additional-service-form {
    grid-template-columns: 1fr;
  }

  .additional-service-add {
    width: 42px;
  }

  .whatif-input-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .whatif-input-heading label {
    flex-basis: auto;
  }

  .slider-card-head {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .slider-card-head label {
    grid-column: 1 / -1;
  }

  .slider-adjusted-info {
    justify-items: end;
  }

  .slider-tick-labels {
    font-size: 9px;
  }

  .context-heading {
    padding: 16px 18px;
  }

  .estimate-basis-column + .estimate-basis-column {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .context-grid {
    padding: 18px;
  }

  .bom-progress {
    padding: 16px;
  }

  .bom-progress-copy p {
    white-space: normal;
  }

  .scenario-bar {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .scenario-bar strong {
    text-align: left;
  }

  .what-if-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .whatif-scope-control {
    align-items: stretch;
    flex-direction: column;
  }

  .whatif-scope-control label {
    min-width: 0;
  }

  .what-if-slider label {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .slider-rate {
    justify-content: flex-start;
  }

  .slider-track-wrap {
    padding-bottom: 42px;
  }

  .slider-mid-marker strong {
    white-space: normal;
  }

  .template-callout {
    align-items: stretch;
    flex-direction: column;
  }

  .template-download {
    min-width: 0;
    width: 100%;
  }

  .table-wrap {
    overflow: visible;
  }

  .line-items-panel table,
  .what-if-table,
  .line-items-panel thead,
  .what-if-table thead,
  .line-items-panel tbody,
  .what-if-table tbody,
  .line-items-panel tr,
  .what-if-table tr,
  .line-items-panel th,
  .what-if-table th,
  .line-items-panel td,
  .what-if-table td {
    display: block;
    width: 100%;
  }

  .line-items-panel thead tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 12px;
  }

  .line-items-panel th {
    padding: 0;
    border: 0;
  }

  .line-items-panel th:last-child {
    display: none;
  }

  .what-if-table thead {
    display: grid;
    gap: 8px;
    margin-bottom: 12px;
  }

  .what-if-table thead tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .what-if-table th {
    padding: 0;
    border: 0;
  }

  .whatif-sort-button {
    min-height: 36px;
    padding: 8px 9px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface-strong);
    font-size: 11px;
  }

  .sort-button {
    min-height: 36px;
    padding: 8px 9px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface-strong);
    font-size: 11px;
  }

  .line-items-panel tbody,
  .what-if-table tbody {
    display: grid;
    gap: 12px;
  }

  .line-items-panel tbody tr,
  .what-if-table tbody tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 10px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
  }

  .line-items-panel tbody td,
  .what-if-table tbody td {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3px;
    min-width: 0;
    padding: 0;
    border: 0;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.25;
    text-align: left;
    white-space: normal;
  }

  .line-items-panel tbody td::before,
  .what-if-table tbody td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
  }

  .line-items-panel tbody td.text-column,
  .line-items-panel tbody td[data-label="Material"],
  .line-items-panel tbody td[data-label="Action"],
  .what-if-table tbody td[data-label="Scenario"] {
    grid-column: 1 / -1;
    text-align: left;
  }

  .line-items-panel .empty-row,
  .what-if-table .empty-row {
    display: block;
  }

  .line-items-panel .empty-row td,
  .what-if-table .empty-row td {
    display: block;
    padding: 4px;
    text-align: center;
  }

  .line-items-panel .empty-row td::before,
  .what-if-table .empty-row td::before {
    content: "";
  }

  .remove-line {
    justify-self: start;
    min-height: 34px;
    padding: 7px 11px;
  }
}

/* 2026 material-estimation palette: charcoal structure, gold actions, warm-white work surfaces. */
.side-nav {
  border-right-color: rgba(237, 185, 27, 0.22);
  background: #171717;
  box-shadow: 16px 0 36px rgba(0, 0, 0, 0.24);
}

.side-brand-mark {
  border-color: var(--gold);
  background: #171717;
  box-shadow: none;
}

.side-brand-mark:hover,
.side-brand-mark:focus-visible {
  box-shadow: 0 0 0 3px rgba(237, 185, 27, 0.2);
}

.side-brand-mark span {
  background: #252525;
}

.side-nav-header strong,
.side-product strong,
.side-nav a.active,
.side-nav a:hover {
  color: #f7f3e9;
}

.side-nav-header span,
.side-product span {
  color: var(--gold);
}

.side-product p,
.side-workflow-label,
.side-nav-footer {
  color: rgba(247, 243, 233, 0.68);
}

.side-nav-toggle {
  border-color: rgba(247, 243, 233, 0.28);
  background: #252525;
  color: var(--gold);
}

.side-nav-toggle:hover {
  border-color: var(--gold);
  background: #343434;
}

.side-nav a {
  color: rgba(247, 243, 233, 0.84);
}

.side-nav a:hover,
.side-nav a.active {
  border-color: rgba(237, 185, 27, 0.7);
  background: #2a2a2a;
  box-shadow: none;
}

.side-nav a.active::before {
  background: var(--gold);
  box-shadow: none;
}

.nav-icon {
  color: rgba(247, 243, 233, 0.7);
}

.side-nav a.active .nav-icon,
.side-nav a:hover .nav-icon {
  color: var(--gold);
}

.side-nav a[href="#calculator"] .nav-icon,
.side-nav a[href="#calculator"].active .nav-icon,
.side-nav a[href="#calculator"]:hover .nav-icon {
  border-color: var(--gold);
  background: transparent;
  color: var(--gold);
}

body.side-nav-collapsed .side-nav a::after {
  border-color: rgba(237, 185, 27, 0.42);
  background: #252525;
  color: #f7f3e9;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

body.side-nav-collapsed .nav-icon {
  background: #252525;
}

body.side-nav-collapsed .side-nav a[href="#calculator"] .nav-icon,
body.side-nav-collapsed .side-nav a[href="#calculator"].active .nav-icon,
body.side-nav-collapsed .side-nav a[href="#calculator"]:hover .nav-icon {
  background: transparent;
}

.side-nav a[href="#calculator"] .nav-icon,
.side-nav a[href="#calculator"].active .nav-icon,
.side-nav a[href="#calculator"]:hover .nav-icon {
  position: relative;
  width: 28px;
  height: 28px;
}

.section-label {
  color: var(--gold-dark);
}

.context-panel,
.context-heading,
.material-library-card {
  border-color: var(--border);
  background: var(--surface);
}

.context-heading {
  background: var(--surface-strong);
}

.material-library-card {
  background: #fff8df;
}

[data-theme="dark"] .material-library-card {
  background: #302914;
}

.primary-button,
.print-button,
.report-button {
  background: var(--gold);
  box-shadow: 0 12px 26px rgba(189, 139, 0, 0.2);
  color: #343434;
}

.primary-button:hover,
.print-button:hover,
.report-button:hover {
  background: var(--gold-dark);
  box-shadow: 0 14px 30px rgba(189, 139, 0, 0.28);
}

.excel-report-button {
  border-color: #343434;
  background: var(--surface);
  color: #343434;
}

.excel-report-button:hover {
  background: #343434;
  color: #f7f3e9;
}

[data-theme="dark"] .excel-report-button {
  border-color: var(--gold);
  color: var(--gold);
}

[data-theme="dark"] .excel-report-button:hover {
  background: var(--gold);
  color: #343434;
}

.what-if-details summary {
  background: var(--gold);
  box-shadow: 0 12px 26px rgba(189, 139, 0, 0.2);
  color: #343434;
}

.what-if-details summary:hover {
  background: var(--gold-dark);
  box-shadow: 0 14px 30px rgba(189, 139, 0, 0.28);
}

.source-pill {
  border-color: rgba(154, 118, 8, 0.28);
  background: #fff2c9;
  color: #725500;
}

[data-theme="dark"] .source-pill {
  border-color: rgba(237, 185, 27, 0.45);
  background: #3a3014;
  color: var(--gold);
}

.input-panel,
.output-panel,
.method-panel,
.line-items-panel,
.bom-panel,
.what-if-panel,
.bom-group-panel,
.audit-panel,
.pipe-quick-section,
.component-quick-panel,
.bom-report-preview {
  box-shadow: var(--shadow);
}

.whatif-input-panel,
.component-input-area {
  background: #faf7ed;
}

.whatif-output-panel,
.component-output-area {
  background: #fffaf0;
}

[data-theme="dark"] .whatif-input-panel,
[data-theme="dark"] .component-input-area {
  background: #2b2a26;
}

[data-theme="dark"] .whatif-output-panel,
[data-theme="dark"] .component-output-area {
  background: #302e28;
}

.scenario-base {
  --scenario-color: #705400;
  --scenario-bg: #fff6d8;
  --scenario-border: rgba(237, 185, 27, 0.58);
}

.scenario-range {
  --scenario-color: #705400;
  --scenario-bg: #fff6d8;
  --scenario-border: rgba(237, 185, 27, 0.58);
}

[data-theme="dark"] .scenario-base,
[data-theme="dark"] .scenario-range {
  --scenario-color: var(--gold);
  --scenario-bg: #393014;
  --scenario-border: rgba(237, 185, 27, 0.5);
}

/* Restore the established navy-and-orange product styling. */
.side-nav {
  border-right-color: rgba(255, 255, 255, 0.08);
  background: #0a365a;
  box-shadow: 18px 0 42px rgba(4, 35, 60, 0.24);
}

.side-brand-mark {
  border-color: #ff681f;
  background: transparent;
  box-shadow:
    0 0 0 1px rgba(255, 104, 31, 0.08),
    0 0 24px rgba(255, 104, 31, 0.28);
}

.side-brand-mark:hover,
.side-brand-mark:focus-visible {
  box-shadow:
    0 0 0 3px rgba(255, 104, 31, 0.24),
    0 0 28px rgba(255, 104, 31, 0.36);
}

.side-brand-mark span { background: #0a355d; }
.side-nav-header strong,
.side-product strong,
.side-nav a.active,
.side-nav a:hover { color: #ffffff; }
.side-nav-header span,
.side-product span { color: #4aa3ff; }
.side-product p,
.side-workflow-label,
.side-nav-footer { color: rgba(223, 235, 248, 0.72); }

.side-nav-toggle {
  border-color: rgba(179, 204, 232, 0.22);
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}
.side-nav-toggle:hover {
  border-color: rgba(255, 104, 31, 0.36);
  background: rgba(255, 255, 255, 0.11);
}
.side-nav a { color: rgba(238, 246, 255, 0.88); }
.side-nav a:hover,
.side-nav a.active {
  border-color: rgba(255, 104, 31, 0.24);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}
.side-nav a.active::before {
  background: #ff681f;
  box-shadow: 0 0 14px rgba(255, 104, 31, 0.64);
}
.nav-icon { color: rgba(214, 231, 249, 0.76); }
.side-nav a.active .nav-icon,
.side-nav a:hover .nav-icon { color: #ff681f; }
.side-nav a[href="#calculator"] .nav-icon,
.side-nav a[href="#calculator"].active .nav-icon,
.side-nav a[href="#calculator"]:hover .nav-icon {
  border-color: #ff681f;
  background: rgba(255, 104, 31, 0.08);
  color: #ff934f;
}
body.side-nav-collapsed .side-nav a::after {
  border-color: rgba(179, 204, 232, 0.2);
  background: #0a3658;
  color: #ffffff;
  box-shadow: 0 14px 32px rgba(1, 12, 25, 0.22);
}
body.side-nav-collapsed .nav-icon { background: rgba(255, 255, 255, 0.08); }
body.side-nav-collapsed .side-nav a[href="#calculator"] .nav-icon,
body.side-nav-collapsed .side-nav a[href="#calculator"].active .nav-icon,
body.side-nav-collapsed .side-nav a[href="#calculator"]:hover .nav-icon { background: rgba(255, 104, 31, 0.08); }

.section-label { color: var(--blue); }
.app-header .section-label { letter-spacing: 0.22em; }
.capability-line { color: var(--muted); }
.context-panel { border-color: rgba(39, 96, 143, 0.24); background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), var(--surface)); }
.context-heading { background: linear-gradient(180deg, var(--surface-strong), var(--surface)); }
.material-library-card { background: linear-gradient(180deg, rgba(39, 96, 143, 0.06), rgba(29, 122, 88, 0.05)); }
[data-theme="dark"] .material-library-card { background: linear-gradient(180deg, rgba(39, 96, 143, 0.06), rgba(29, 122, 88, 0.05)); }

.primary-button,
.print-button {
  background: #ff681f;
  box-shadow: 0 16px 30px rgba(255, 104, 31, 0.22);
  color: #ffffff;
}
.primary-button:hover,
.print-button:hover {
  background: #f45c16;
  box-shadow: 0 18px 34px rgba(255, 104, 31, 0.28);
}
.report-button {
  background: linear-gradient(135deg, #ff681f, #c94f12);
  box-shadow: 0 14px 28px rgba(255, 104, 31, 0.26);
  color: #ffffff;
}
.report-button:hover {
  background: linear-gradient(135deg, #ff681f, #c94f12);
  box-shadow: 0 18px 34px rgba(255, 104, 31, 0.32);
}
.excel-report-button { border-color: #287a5d; background: #ffffff; color: #17684d; }
.excel-report-button:hover {
  border-color: transparent;
  background: linear-gradient(90deg, #12b6af, #216fdb);
  color: #ffffff;
}
[data-theme="dark"] .excel-report-button { border-color: #287a5d; color: #17684d; }
[data-theme="dark"] .excel-report-button:hover {
  border-color: transparent;
  background: linear-gradient(90deg, #12b6af, #216fdb);
  color: #ffffff;
}

.what-if-details summary {
  background: linear-gradient(90deg, #12b6af, #216fdb);
  box-shadow: 0 16px 30px rgba(33, 111, 219, 0.22);
  color: #ffffff;
}
.what-if-details summary:hover { background: linear-gradient(90deg, #0fa39d, #185fc3); box-shadow: 0 18px 34px rgba(33, 111, 219, 0.3); }

.category-review-details > summary,
.bom-group-details > summary {
  background: linear-gradient(90deg, #12b6af, #216fdb);
  box-shadow: 0 16px 30px rgba(33, 111, 219, 0.22);
  color: #ffffff;
}

.category-review-details > summary:hover,
.bom-group-details > summary:hover {
  background: linear-gradient(90deg, #0fa39d, #185fc3);
  box-shadow: 0 18px 34px rgba(33, 111, 219, 0.3);
}
.source-pill { border-color: transparent; background: var(--surface-strong); color: var(--blue-dark); }
[data-theme="dark"] .source-pill { border-color: transparent; background: var(--surface-strong); color: var(--blue-dark); }

.whatif-input-panel { background: rgba(237, 245, 252, 0.62); }
.whatif-output-panel { background: rgba(241, 251, 247, 0.68); }
.component-input-area { background: var(--surface-strong); }
.component-output-area { background: #f5faf8; }
[data-theme="dark"] .whatif-input-panel,
[data-theme="dark"] .component-input-area { background: #122331; }
[data-theme="dark"] .whatif-output-panel,
[data-theme="dark"] .component-output-area { background: #102a2d; }
.scenario-base {
  --scenario-color: #27608f;
  --scenario-bg: rgba(39, 96, 143, 0.12);
  --scenario-border: rgba(39, 96, 143, 0.35);
}
.scenario-range {
  --scenario-color: #7a4f01;
  --scenario-bg: rgba(168, 95, 0, 0.12);
  --scenario-border: rgba(168, 95, 0, 0.3);
}
[data-theme="dark"] .scenario-base {
  --scenario-color: #27608f;
  --scenario-bg: rgba(39, 96, 143, 0.12);
  --scenario-border: rgba(39, 96, 143, 0.35);
}
[data-theme="dark"] .scenario-range {
  --scenario-color: #7a4f01;
  --scenario-bg: rgba(168, 95, 0, 0.12);
  --scenario-border: rgba(168, 95, 0, 0.3);
}

/* Keep Project Information visually coherent in dark mode. */
[data-theme="dark"] .context-panel {
  border-color: #3a5068;
  background: #1a2634;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
}

[data-theme="dark"] .context-heading {
  border-bottom-color: #3a5068;
  background: #1a2634;
}

[data-theme="dark"] .context-grid {
  background: #1a2634;
}

[data-theme="dark"] .context-grid label {
  color: #c6d7ea;
}

[data-theme="dark"] .context-grid input,
[data-theme="dark"] .context-grid textarea {
  border-color: #3a5068;
  background: #17212e;
  color: #eef4fb;
}

/* Dark mode keeps navigation distinct from the charcoal work surface. */
[data-theme="dark"] .side-nav {
  background: #0a2944;
  box-shadow: 18px 0 42px rgba(0, 0, 0, 0.28);
}

[data-theme="dark"] .side-brand-mark span {
  background: #08243b;
}

[data-theme="dark"] body.side-nav-collapsed .side-nav a::after {
  background: #08243b;
}

/* The pipe shortcut follows the same icon system as every other sidebar item. */
.side-nav a[href="#calculator"] .nav-icon,
.side-nav a[href="#calculator"].active .nav-icon,
.side-nav a[href="#calculator"]:hover .nav-icon {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.side-nav a[href="#calculator"] .nav-icon {
  color: rgba(214, 231, 249, 0.76);
}

.side-nav a[href="#calculator"] .pipe-reference-icon {
  filter: brightness(0) saturate(100%) invert(89%) sepia(18%) saturate(383%) hue-rotate(172deg) brightness(102%) contrast(91%);
}

.side-nav a[href="#calculator"].active .nav-icon,
.side-nav a[href="#calculator"]:hover .nav-icon {
  color: #ff681f;
}

.side-nav a[href="#calculator"].active .pipe-reference-icon,
.side-nav a[href="#calculator"]:hover .pipe-reference-icon {
  filter: none;
}

body.side-nav-collapsed .side-nav a[href="#calculator"] .nav-icon,
body.side-nav-collapsed .side-nav a[href="#calculator"].active .nav-icon,
body.side-nav-collapsed .side-nav a[href="#calculator"]:hover .nav-icon {
  background: transparent;
}

/* One consistent compact orange action-button treatment across the app. */
.primary-button,
.print-button,
.report-button {
  min-height: 38px;
  padding: 9px 18px;
  background: #ff681f;
  box-shadow: 0 14px 28px rgba(255, 104, 31, 0.26);
  color: #ffffff;
  font-size: 13px;
}

.primary-button:hover,
.print-button:hover,
.report-button:hover {
  background: #f45c16;
  box-shadow: 0 18px 34px rgba(255, 104, 31, 0.32);
}

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

@media print {
  :root,
  [data-theme="dark"] {
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-strong: #eef3f8;
    --text: #1f2933;
    --muted: #64748b;
    --border: #d7e0ea;
    --blue-dark: #193f61;
    --green-bg: #edf8f3;
    --amber-bg: #fff5e7;
  }

  body {
    padding-left: 0;
    background: #fff;
    color: var(--text);
  }

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

  .app-header,
  .input-panel,
  .output-panel,
  .line-items-panel,
  .bom-panel,
  .what-if-panel,
  .bom-group-panel,
  .service-cost-panel,
  .audit-panel,
  .method-panel,
  .site-footer {
    box-shadow: none;
    break-inside: avoid;
  }

  .panel-actions,
  .bom-panel,
  .remove-line,
  .theme-toggle,
  .side-nav-toggle,
  .side-nav,
  .category-review-details > summary,
  .bom-group-details > summary,
  .service-cost-details > summary,
  .audit-details > summary,
  .success-message,
  .warning {
    display: none !important;
  }

  .category-review-details > *,
  .bom-group-details > *,
  .service-cost-details > *,
  .audit-details > * {
    display: block !important;
  }

  .table-wrap {
    overflow: visible;
  }

  .tool-grid,
  .audit-grid,
  .what-if-summary,
  .summary-strip {
    grid-template-columns: 1fr 1fr;
  }

  table {
    table-layout: fixed;
    width: 100%;
    min-width: 0;
    font-size: 10.5px;
    line-height: 1.25;
  }

  th,
  td {
    padding: 5px;
    white-space: normal;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  td:nth-child(1),
  td:nth-child(2),
  td:nth-child(3),
  td:nth-child(5),
  td:nth-child(6),
  td:nth-child(7),
  td:nth-child(8),
  td:nth-child(9) {
    white-space: nowrap;
  }

  th:last-child,
  td:last-child {
    display: none;
  }

  .category-table th:last-child,
  .category-table td:last-child {
    display: table-cell;
  }
}