:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #667085;
  --line: #d7dde5;
  --paper: #f6f7f9;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-2: #b42318;
  --accent-3: #415a77;
  --heat: #e4572e;
  --cool: #2f80ed;
  --ok: #287d3c;
  --warn: #a15c07;
  --shadow: 0 12px 28px rgba(20, 28, 38, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 0.62rem 0.75rem;
  cursor: pointer;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.active {
  border-color: var(--accent);
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent);
  font-weight: 800;
}

.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.danger-button {
  border-color: #b42318;
  color: #b42318;
}

.shell {
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: max-content;
}

.brand-icon {
  width: 1.175rem;
  height: 1.175rem;
  flex: 0 0 auto;
}

.step-nav {
  display: inline-flex;
  flex: 1;
  gap: 0.35rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fafb;
  overflow-x: auto;
}

.step-nav button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-color: transparent;
  background: transparent;
}

.step-nav button span {
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: #e8edf2;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
}

.step-nav button.active span {
  background: var(--accent);
  color: #fff;
}

.step-nav button.active {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
  box-shadow: 0 2px 8px rgba(20, 28, 38, 0.08);
}

.topbar h1,
.topbar p {
  margin: 0;
}

.topbar h1 {
  font-size: 1.35rem;
  letter-spacing: 0;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 800;
}

.top-actions {
  display: flex;
  align-self: stretch;
  align-items: stretch;
  gap: 0;
  flex-wrap: nowrap;
  justify-content: flex-end;
  border-left: 1px solid var(--line);
}

.user-label {
  align-self: center;
  max-width: 15rem;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f9fafb;
  color: var(--muted);
  font-size: 0.78rem;
}

.top-actions .icon-button {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.45rem 0.7rem;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: transparent;
  color: #475467;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.top-actions .icon-button:hover,
.top-actions .icon-button:focus-visible {
  border-bottom-color: var(--accent);
  background: #eef7f5;
  color: var(--accent);
  outline: 0;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 360px) 1fr;
  gap: 1rem;
  padding: 1rem;
  align-items: start;
  height: calc(100vh - 74px);
  overflow: hidden;
  transition: grid-template-columns 180ms ease;
}

.workspace.sidebar-collapsed {
  grid-template-columns: 0 minmax(0, 1fr);
  gap: 0;
}

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

.intake {
  position: sticky;
  top: 1rem;
  padding: 1rem;
  display: grid;
  gap: 1rem;
  max-height: calc(100vh - 104px);
  overflow: auto;
  transition: opacity 140ms ease, transform 180ms ease;
}

.workspace.sidebar-collapsed .intake {
  pointer-events: none;
  opacity: 0;
  transform: translateX(-12px);
  padding: 0;
  border: 0;
  box-shadow: none;
}

form,
.stack {
  display: grid;
  gap: 0.75rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.45rem 0.55rem;
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
  line-height: 1.35;
}

input[type="file"] {
  padding: 0.4rem;
}

.input-affix {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  min-height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  overflow: hidden;
}

.input-affix.suffix {
  grid-template-columns: minmax(0, 1fr) auto;
}

.input-affix > span {
  padding: 0 0.65rem;
  color: var(--muted);
  font-weight: 800;
}

.input-affix input {
  min-height: 2.25rem;
  border: 0;
  border-radius: 0;
}

h2 {
  font-size: 1rem;
  margin: 0;
  letter-spacing: 0;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.summary-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem;
  background: #fbfcfd;
}

.summary-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
}

.summary-grid strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.2rem;
}

.actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
}

.room-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

.actions button {
  padding-inline: 0.35rem;
  min-height: 2.45rem;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.main-grid > .panel,
.step-page > .panel {
  padding: 1rem;
}

.main-grid > .floorplan-panel {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  min-height: 0;
  height: 100%;
  padding: 0.8rem;
}

.main-grid > .floorplan-panel.scale-required {
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
}

.main-grid > .floorplan-panel.ai-running {
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
}

.main-grid > .floorplan-panel.scale-required.ai-running {
  grid-template-rows: auto auto auto auto minmax(0, 1fr) auto;
}

.step-page {
  display: none;
  align-content: start;
  grid-template-columns: minmax(0, 1fr);
  min-height: 0;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

body[data-active-step="breakdown"] .breakdown-step,
body[data-active-step="panels"] .panels-step,
body[data-active-step="building"] .building-step,
body[data-active-step="rooms"] .rooms-step,
body[data-active-step="energy"] .energy-step,
body[data-active-step="quote"] .quote-step,
body[data-active-step="roi"] .roi-step,
body[data-active-step="proposal"] .proposal-step {
  display: grid;
  gap: 1rem;
}

body[data-active-step="breakdown"] .floorplan-panel,
body[data-active-step="panels"] .floorplan-panel,
body[data-active-step="building"] .floorplan-panel,
body[data-active-step="rooms"] .floorplan-panel,
body[data-active-step="energy"] .floorplan-panel,
body[data-active-step="quote"] .floorplan-panel,
body[data-active-step="roi"] .floorplan-panel,
body[data-active-step="proposal"] .floorplan-panel {
  display: none;
}

body[data-active-step="floorplan"] .step-page {
  display: none;
}

.settings-form,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 0.75rem;
}

.settings-form .form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
}

.settings-group-title {
  grid-column: 1 / -1;
  margin: 0.45rem 0 0;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.building-assumptions-panel {
  align-self: start;
  overflow: visible;
  padding: 0 !important;
  background:
    radial-gradient(circle at 92% 2%, rgba(228, 87, 46, 0.08), transparent 27rem),
    #fff;
}

.building-assumptions-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 330px);
  align-items: center;
  gap: 2rem;
  min-height: 210px;
  padding: 2rem clamp(1.25rem, 3vw, 3rem);
  overflow: hidden;
  border-bottom: 1px solid #cfe4df;
  background: linear-gradient(128deg, #f2faf8 0%, #fbfdfc 58%, #fff7f3 100%);
}

.building-assumptions-hero::before {
  content: "";
  position: absolute;
  width: 250px;
  height: 250px;
  right: -105px;
  top: -130px;
  border: 44px solid rgba(15, 118, 110, 0.06);
  border-radius: 50%;
}

.building-assumptions-intro {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.building-assumptions-intro .eyebrow,
.building-assumptions-intro h2,
.building-assumptions-intro > p {
  margin: 0;
}

.building-assumptions-intro h2 {
  margin-top: 0.55rem;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.building-assumptions-intro > p:not(.eyebrow) {
  max-width: 610px;
  margin-top: 0.8rem;
  color: #52606d;
  font-size: 0.95rem;
  line-height: 1.6;
}

.building-assumptions-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.building-assumptions-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 1.75rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #315d58;
  font-size: 0.75rem;
  font-weight: 750;
}

.building-assumptions-tags span::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
}

.building-assumptions-illustration {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 165px;
}

.building-assumptions-illustration svg {
  width: min(100%, 285px);
  overflow: visible;
}

.building-house {
  fill: rgba(255, 255, 255, 0.86);
  stroke: #2b6e67;
  stroke-width: 3;
  stroke-linejoin: round;
}

.building-roof,
.building-ground,
.building-door,
.building-window,
.building-sun-rays,
.building-heat {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.building-roof,
.building-ground {
  stroke: #214f4a;
  stroke-width: 4;
}

.building-door,
.building-window {
  stroke: #e4572e;
  stroke-width: 3;
}

.building-sun {
  fill: #ffd7a8;
  stroke: #e78732;
  stroke-width: 3;
}

.building-sun-rays {
  stroke: #e78732;
  stroke-width: 3;
}

.building-heat {
  stroke: #e4572e;
  stroke-width: 2.5;
}

.building-assumptions-form {
  display: block;
  padding: clamp(1rem, 2.5vw, 2rem) clamp(1rem, 3vw, 3rem) 0;
}

.building-assumptions-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-bottom: 1.25rem;
  overflow: hidden;
  border: 1px solid #d8e5e2;
  border-radius: 10px;
  background: #f8fbfa;
}

.building-assumptions-summary > div {
  position: relative;
  min-width: 0;
  padding: 0.85rem 1rem;
}

.building-assumptions-summary > div + div::before {
  content: "";
  position: absolute;
  inset: 0.65rem auto 0.65rem 0;
  width: 1px;
  background: #d8e5e2;
}

.building-assumptions-summary span,
.building-assumptions-summary strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.building-assumptions-summary span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.building-assumptions-summary strong {
  margin-top: 0.3rem;
  color: #1c4f49;
  font-size: 1rem;
}

.building-assumptions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.assumption-card {
  --card-accent: #0f766e;
  --card-tint: #eaf6f3;
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.15rem;
  overflow: hidden;
  border: 1px solid #dde3e9;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(20, 28, 38, 0.045);
}

.assumption-card::after {
  content: "";
  position: absolute;
  width: 95px;
  height: 95px;
  right: -48px;
  top: -50px;
  border-radius: 50%;
  background: var(--card-tint);
  opacity: 0.75;
}

.assumption-card--climate {
  --card-accent: #2f80ed;
  --card-tint: #eaf3ff;
}

.assumption-card--openings {
  --card-accent: #7b61a8;
  --card-tint: #f2edfa;
}

.assumption-card--heating {
  --card-accent: #d7542d;
  --card-tint: #fff0ea;
}

.assumption-card-heading {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.assumption-card-icon {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  border-radius: 9px;
  background: var(--card-tint);
  color: var(--card-accent);
}

.assumption-card-icon svg,
.building-form-note svg {
  width: 1.3rem;
  height: 1.3rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.assumption-card-heading p,
.assumption-card-heading h3,
.assumption-card-copy {
  margin: 0;
}

.assumption-card-heading p {
  color: var(--card-accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.assumption-card-heading h3 {
  margin-top: 0.15rem;
  font-size: 1rem;
}

.assumption-card-copy {
  min-height: 2.55rem;
  margin-top: 0.85rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.assumption-card-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: auto;
  padding-top: 1rem;
}

.assumption-card-fields--single {
  grid-template-columns: minmax(0, 1fr);
}

.assumption-card-fields label:last-child:nth-child(odd):not(:first-child) {
  grid-column: 1 / -1;
}

.assumption-card-fields label {
  color: #475467;
  font-size: 0.78rem;
}

.assumption-card-fields input,
.assumption-card-fields select {
  min-height: 2.65rem;
  border-color: #cfd8df;
  background: #fcfdfd;
}

.assumption-card-fields input:focus,
.assumption-card-fields select:focus {
  border-color: var(--card-accent);
  outline: 3px solid color-mix(in srgb, var(--card-accent) 14%, transparent);
}

.building-assumptions-form .form-actions {
  position: static;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.25rem calc(clamp(1rem, 3vw, 3rem) * -1) 0;
  padding: 0.85rem clamp(1rem, 3vw, 3rem);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 -8px 20px rgba(20, 28, 38, 0.035);
  backdrop-filter: blur(10px);
}

.building-form-note {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
}

.building-form-note svg {
  width: 1rem;
  height: 1rem;
  color: var(--ok);
  stroke-width: 2.4;
}

.building-step .step-actions {
  margin: 0;
  padding: 0.85rem clamp(1rem, 3vw, 3rem);
  background: #fbfcfd;
}

.workflow-step-panel {
  --step-accent: #0f766e;
  --step-accent-rgb: 15, 118, 110;
  --step-tint: #eaf6f3;
  align-self: start;
  padding: 0 !important;
  overflow: visible;
  background: #fff;
}

.workflow-step-panel--rooms {
  --step-accent: #287d3c;
  --step-accent-rgb: 40, 125, 60;
  --step-tint: #eaf6ed;
}

.workflow-step-panel--panels {
  --step-accent: #d7542d;
  --step-accent-rgb: 215, 84, 45;
  --step-tint: #fff0ea;
}

.workflow-step-panel--energy {
  --step-accent: #2f80ed;
  --step-accent-rgb: 47, 128, 237;
  --step-tint: #eaf3ff;
}

.workflow-step-panel--quote {
  --step-accent: #7b61a8;
  --step-accent-rgb: 123, 97, 168;
  --step-tint: #f2edfa;
}

.workflow-step-panel--roi {
  --step-accent: #b56a09;
  --step-accent-rgb: 181, 106, 9;
  --step-tint: #fff5df;
}

.workflow-step-panel--proposal {
  --step-accent: #0d6f87;
  --step-accent-rgb: 13, 111, 135;
  --step-tint: #e7f5f8;
}

.workflow-step-panel--breakdown {
  --step-accent: #415a77;
  --step-accent-rgb: 65, 90, 119;
  --step-tint: #edf2f7;
}

.workflow-step-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 230px);
  align-items: center;
  gap: 2rem;
  min-height: 190px;
  padding: 1.8rem clamp(1.25rem, 3vw, 3rem);
  overflow: hidden;
  border-bottom: 1px solid rgba(var(--step-accent-rgb), 0.2);
  border-radius: 7px 7px 0 0;
  background:
    radial-gradient(circle at 93% 2%, rgba(var(--step-accent-rgb), 0.12), transparent 18rem),
    linear-gradient(128deg, var(--step-tint) 0%, #fbfdfc 60%, #fff 100%);
}

.workflow-step-hero::after {
  content: "";
  position: absolute;
  width: 175px;
  height: 175px;
  right: -85px;
  bottom: -105px;
  border: 32px solid rgba(var(--step-accent-rgb), 0.055);
  border-radius: 50%;
}

.workflow-step-intro {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.workflow-step-intro .eyebrow,
.workflow-step-intro h2,
.workflow-step-intro > p {
  margin: 0;
}

.workflow-step-intro .eyebrow {
  color: var(--step-accent);
}

.workflow-step-intro h2 {
  margin-top: 0.5rem;
  font-size: clamp(1.45rem, 2.6vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.032em;
}

.workflow-step-intro > p:not(.eyebrow) {
  max-width: 650px;
  margin-top: 0.75rem;
  color: #52606d;
  font-size: 0.9rem;
  line-height: 1.55;
}

.workflow-step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.95rem;
}

.workflow-step-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 1.7rem;
  padding: 0.22rem 0.6rem;
  border: 1px solid rgba(var(--step-accent-rgb), 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--step-accent);
  font-size: 0.72rem;
  font-weight: 750;
}

.workflow-step-tags span::before {
  content: "";
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 50%;
  background: currentColor;
}

.workflow-step-emblem {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 142px;
  height: 142px;
  justify-self: center;
  border: 1px solid rgba(var(--step-accent-rgb), 0.18);
  border-radius: 34% 66% 61% 39% / 41% 37% 63% 59%;
  background: rgba(255, 255, 255, 0.72);
  color: var(--step-accent);
  transform: rotate(3deg);
  box-shadow: 0 12px 28px rgba(var(--step-accent-rgb), 0.1);
}

.workflow-step-emblem svg {
  width: 92px;
  height: 92px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: rotate(-3deg);
}

.workflow-step-body {
  padding: clamp(1rem, 2.5vw, 2rem) clamp(1rem, 3vw, 3rem);
  background:
    linear-gradient(rgba(var(--step-accent-rgb), 0.025), transparent 12rem),
    #fff;
}

.workflow-step-panel > .step-actions {
  margin: 0;
  padding: 0.85rem clamp(1rem, 3vw, 3rem);
  background: #fbfcfd;
}

.workflow-step-panel .primary {
  border-color: var(--step-accent);
  background: var(--step-accent);
}

.workflow-step-panel .room-card,
.workflow-step-panel .panel-config-card {
  position: relative;
  overflow: hidden;
  border-color: #dbe2e8;
  border-top: 3px solid var(--step-accent);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(20, 28, 38, 0.05);
}

.workflow-step-panel .room-card::after,
.workflow-step-panel .panel-config-card::after {
  content: "";
  position: absolute;
  top: -42px;
  right: -42px;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: var(--step-tint);
  pointer-events: none;
}

.workflow-step-panel .room-card header,
.workflow-step-panel .panel-config-card header {
  position: relative;
  z-index: 1;
}

.workflow-step-panel .room-card h3,
.workflow-step-panel .panel-config-card h3 {
  margin: 0;
  font-size: 1rem;
}

.workflow-settings-form > label {
  min-width: 0;
  padding: 0.85rem;
  border: 1px solid #dce3e8;
  border-radius: 9px;
  background: #fbfcfd;
}

.workflow-settings-form .settings-group-title {
  margin-top: 0.7rem;
  padding: 0.55rem 0.7rem;
  border: 0;
  border-left: 3px solid var(--step-accent);
  border-radius: 0 7px 7px 0;
  background: var(--step-tint);
  color: var(--step-accent);
}

.workflow-settings-form .form-actions {
  align-items: center;
  margin-top: 0.4rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.workflow-proposal-body .proposal-summary div {
  border-color: rgba(var(--step-accent-rgb), 0.2);
  border-radius: 9px;
  background: linear-gradient(145deg, var(--step-tint), #fff);
}

.workflow-proposal-body .proposal-summary strong {
  color: var(--step-accent);
}

.workflow-proposal-body .proposal-section {
  padding: 1rem;
  border: 1px solid #dce3e8;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(20, 28, 38, 0.04);
}

.workflow-step-intro-panel {
  margin-bottom: 0;
}

.workflow-data-panel {
  align-self: start;
  width: 100%;
  min-width: 0;
  padding: 1.25rem !important;
  border-top: 3px solid #415a77;
}

.workflow-data-panel pre {
  width: 100%;
  max-width: 100%;
}

.workflow-data-panel .section-head {
  align-items: center;
}

.section-kicker {
  margin: 0 0 0.25rem;
  color: #415a77;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.breakdown-step > .step-actions {
  align-self: start;
  margin: 0;
  padding: 0.85rem 0;
}

.step-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.step-actions span {
  margin-right: auto;
  color: var(--muted);
  font-size: 0.8rem;
}

.calculated-value {
  min-height: 2.35rem;
  display: flex;
  align-items: center;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f3f5f7;
  color: var(--ink);
  font-weight: 800;
}

.proposal-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.proposal-summary div {
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfd;
}

.proposal-summary span,
.proposal-note {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.proposal-summary strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.15rem;
}

.proposal-sections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.proposal-section {
  min-width: 0;
}

.proposal-section h3 {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
}

.proposal-section.full-width {
  grid-column: 1 / -1;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.section-head span {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.floorplan-panel {
  min-height: 470px;
}

.scale-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  border: 1px solid #e5b35a;
  border-left: 4px solid var(--warn);
  border-radius: 6px;
  background: #fff9e8;
}

.scale-notice[hidden] {
  display: none;
}

.scale-notice strong,
.scale-notice span {
  display: block;
}

.scale-notice span {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.scale-notice-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 0.4rem;
}

.ai-progress-notice {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(160px, 0.45fr) 3rem;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  border: 1px solid #77b8b1;
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  background: #edf9f7;
}

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

.ai-progress-copy strong,
.ai-progress-copy span {
  display: block;
}

.ai-progress-copy span {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.ai-progress-meter {
  height: 7px;
  overflow: hidden;
  border-radius: 4px;
  background: #cfe5e2;
}

.ai-progress-meter span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 220ms ease;
}

.ai-progress-percent {
  color: var(--accent-3);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: right;
}

.trace-toolbar,
.floorplan-tools {
  display: grid;
  gap: 0.5rem;
  align-items: end;
  margin-bottom: 0.75rem;
}

.trace-toolbar {
  grid-template-columns: minmax(180px, 1.1fr) minmax(120px, 0.55fr) minmax(130px, 0.65fr) repeat(6, auto) minmax(210px, 1fr);
}

.floorplan-tools {
  grid-template-columns: auto auto auto auto auto auto minmax(170px, 1fr);
  align-items: center;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 8;
  margin: 0;
  padding: 0.55rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
}

.trace-toolbar label:not(.rough-toggle) {
  min-width: 0;
}

.tool-group {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  flex-wrap: wrap;
}

.tool-group span,
.floorplan-tools > span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.rough-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.rough-toggle input {
  width: auto;
  min-height: 0;
}

.trace-toolbar button,
.floorplan-tools button {
  min-height: 2.35rem;
  white-space: nowrap;
}

.trace-toolbar span {
  align-self: center;
  color: var(--muted);
  font-size: 0.8rem;
}

.ai-detection-panel {
  display: none !important;
}

.ai-detection-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.84rem;
}

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

.ai-prediction-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(160px, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
}

.floorplan-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  overflow: auto;
  overscroll-behavior: contain;
}

.floorplan-viewport {
  position: relative;
  width: 100%;
  min-width: 100%;
  min-height: 420px;
  margin: 0 auto;
  transform-origin: 0 0;
}

#floorplanImage {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

#floorplanImage[hidden] {
  display: none;
}

.preview-error-text {
  fill: var(--muted);
  font-size: 18px;
  font-weight: 700;
  text-anchor: middle;
}

#floorplanSvg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 420px;
  pointer-events: auto;
}

.floorplan-stage.drawing {
  cursor: crosshair;
}

.floorplan-stage.panning,
.floorplan-stage.panning * {
  cursor: grabbing !important;
  user-select: none;
}

.rooms-editor {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.75rem;
}

.room-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  display: grid;
  gap: 0.65rem;
}

.room-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.source-line {
  color: var(--muted);
  font-size: 0.74rem;
}

.low {
  color: var(--accent-2);
}

.medium {
  color: var(--warn);
}

.high {
  color: var(--ok);
}

.detail-item,
.audit-item,
.telemetry-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.65rem;
  background: #fbfcfd;
}

.detail-item strong,
.audit-item strong,
.telemetry-item strong {
  display: block;
  font-size: 0.9rem;
}

.detail-item span,
.audit-item span,
.telemetry-item span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.18rem;
}

.audit {
  display: grid;
  gap: 0.45rem;
  max-height: 260px;
  overflow: auto;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.key-value-table table {
  min-width: 0;
  table-layout: fixed;
}

.key-value-table th {
  width: 58%;
}

.key-value-table td {
  overflow-wrap: anywhere;
  text-align: right;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.65rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.86rem;
}

th {
  background: #f2f5f8;
  color: #344054;
  font-size: 0.78rem;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

pre {
  min-height: 320px;
  max-height: 520px;
  overflow: auto;
  margin: 0;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111827;
  color: #e5e7eb;
  font-size: 0.78rem;
  line-height: 1.45;
}

.room-rect {
  fill: rgba(15, 118, 110, 0.12);
  stroke: var(--accent-3);
  stroke-width: 2;
}

.room-rect.traced {
  fill: rgba(15, 118, 110, 0.2);
  stroke: var(--accent);
  stroke-width: 4;
}

.room-rect.ai-applied {
  fill: rgba(47, 128, 237, 0.16);
  stroke: var(--cool);
  stroke-width: 4;
  stroke-dasharray: 12 8;
}

.room-overlay {
  cursor: grab;
}

.room-overlay:active {
  cursor: grabbing;
}

.room-overlay.selected .room-rect {
  fill: rgba(15, 118, 110, 0.24);
  stroke: #0b6e66;
  stroke-width: 5;
  stroke-linejoin: round;
}

.room-selection-box {
  fill: none;
  stroke: #0b6e66;
  stroke-width: 2;
  stroke-dasharray: 7 5;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.room-edge-hit-target {
  fill: none;
  stroke: transparent;
  stroke-width: 18;
  vector-effect: non-scaling-stroke;
  pointer-events: stroke;
  cursor: move;
}

.room-edge-handle {
  fill: #d9f1ee;
  stroke: #0b6e66;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  pointer-events: all;
  cursor: move;
}

.room-vertex-handle {
  fill: #fff;
  stroke: #0b6e66;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  pointer-events: all;
  cursor: crosshair;
}

.floorplan-stage.resizing,
.floorplan-stage.resizing * {
  user-select: none;
}

.ai-prediction {
  fill: rgba(180, 35, 24, 0.16);
  stroke: #b42318;
  stroke-width: 5;
  stroke-dasharray: 14 7;
  vector-effect: non-scaling-stroke;
}

.panel-mark {
  fill: rgba(228, 87, 46, 0.28);
  stroke: var(--heat);
  stroke-width: 2;
}

.label-pin {
  fill: #fff;
  stroke: var(--accent-3);
  stroke-width: 4;
}

.label-pin-text {
  fill: var(--ink);
  font-size: 18px;
  font-weight: 800;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 5px;
}

.label-pin-note {
  fill: var(--muted);
  font-size: 13px;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 4px;
}

.room-label {
  font-size: 14px;
  fill: var(--ink);
  font-weight: 700;
}

.metric-label {
  font-size: 11px;
  fill: var(--muted);
}

.ai-confidence-label[hidden],
.confidence-text[hidden] {
  display: none;
}

.overlay-room-label {
  font-size: 18px;
  fill: var(--ink);
  font-weight: 800;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 4px;
}

.trace-point {
  fill: #fff;
  stroke: var(--accent);
  stroke-width: 4;
  vector-effect: non-scaling-stroke;
}

.trace-line {
  fill: rgba(15, 118, 110, 0.18);
  stroke: var(--accent);
  stroke-dasharray: 10 7;
  stroke-width: 4;
  vector-effect: non-scaling-stroke;
}

.trace-line.redraw-sketch {
  fill: rgba(47, 128, 237, 0.14);
  stroke: var(--cool);
  stroke-width: 5;
}

.adjustment-sketch {
  fill: rgba(180, 35, 24, 0.12);
  stroke: #b42318;
  stroke-width: 5;
  stroke-dasharray: 6 6;
  vector-effect: non-scaling-stroke;
}

.adjustment-sketch.add {
  fill: rgba(40, 125, 60, 0.15);
  stroke: #287d3c;
}

.adjustment-sketch.cut {
  fill: rgba(180, 35, 24, 0.15);
  stroke: #b42318;
}

.calibration-line {
  stroke: var(--cool);
  stroke-width: 5;
  stroke-dasharray: 14 8;
}

.calibration-area {
  fill: rgba(47, 128, 237, 0.16);
  stroke: var(--cool);
  stroke-width: 5;
  stroke-dasharray: 14 8;
}

.modal {
  width: min(680px, calc(100vw - 2rem));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.wide-modal {
  width: min(1080px, calc(100vw - 2rem));
}

.modal::backdrop {
  background: rgba(17, 24, 39, 0.35);
}

.modal-head,
.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.keybind-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.keybind-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.75rem;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0;
}

.keybind-list dt {
  font-weight: 800;
}

.keybind-list dd {
  margin: 0;
  color: var(--muted);
}

.panel-config-rooms {
  display: grid;
  gap: 1rem;
}

.panel-config-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
  display: grid;
  gap: 0.75rem;
  background: #fbfcfd;
}

.panel-config-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.panel-config-card h3,
.panel-config-card span {
  margin: 0;
}

.panel-config-card span {
  color: var(--muted);
  font-size: 0.8rem;
}

.compact-actions {
  display: flex;
}

.panel-config-grid {
  display: grid;
  grid-template-columns: minmax(220px, 330px) minmax(320px, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.panel-config-svg {
  width: 100%;
  height: 400px;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  touch-action: none;
}

.panel-config-panel {
  cursor: grab;
  pointer-events: all;
}

.panel-config-card.dragging-panel .panel-config-panel {
  cursor: grabbing;
}

.panel-hit-target {
  fill: rgba(255, 255, 255, 0.001);
  stroke: transparent;
  pointer-events: none;
}

.panel-floorplan-image {
  opacity: 0.62;
  pointer-events: none;
}

.panel-room-shape {
  fill: rgba(47, 128, 237, 0.14);
  stroke: var(--cool);
  stroke-width: 4;
  stroke-dasharray: 12 8;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.panel-size-mark {
  fill: rgba(228, 87, 46, 0.28);
  stroke: var(--heat);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  cursor: grab;
  pointer-events: all;
}

.panel-size-label {
  fill: var(--ink);
  font-weight: 800;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 4px;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.panel-list {
  display: grid;
  gap: 0.5rem;
}

.panel-editor-row {
  display: grid;
  grid-template-columns: minmax(170px, 1.4fr) repeat(3, minmax(68px, 0.45fr)) minmax(160px, 1fr) auto auto;
  gap: 0.45rem;
  align-items: center;
  padding: 0.35rem;
  border: 1px solid transparent;
  border-radius: 6px;
}

.panel-editor-row.active {
  border-color: var(--cool);
  background: rgba(47, 128, 237, 0.08);
}

.panel-nudge-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.25rem;
}

.panel-nudge-controls button,
.panel-editor-row > button {
  min-height: 2.2rem;
  padding: 0.35rem 0.45rem;
  font-size: 0.78rem;
}

.panel-products-editor {
  display: grid;
  gap: 0.5rem;
  max-height: 60vh;
  overflow: auto;
}

.panel-product-row {
  display: grid;
  grid-template-columns: minmax(90px, 1fr) minmax(150px, 1.3fr) minmax(90px, 0.8fr) repeat(8, minmax(90px, 0.8fr)) auto;
  gap: 0.45rem;
}

.finalise-project {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.finalise-project h3,
.finalise-project p {
  margin: 0;
}

.finalise-project p,
.finalise-actions span {
  color: var(--muted);
}

.finalise-confirmation {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-weight: 700;
}

.finalise-confirmation input {
  margin-top: 0.2rem;
}

.finalise-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.finalise-project.finalised {
  border-color: var(--ok);
}

.account-form,
.login-form {
  display: grid;
  gap: 1rem;
}

.account-form label,
.login-form label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-weight: 700;
}

.account-form input,
.login-form input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
}

.login-body {
  min-height: 100vh;
  background: #eef1f4;
}

.login-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(360px, 1fr);
  min-height: 100vh;
}

.login-brand {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2rem, 6vw, 6rem);
  color: #fff;
  background: #17433f;
}

.login-brand-icon {
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1.25rem;
}

.login-brand h1 {
  margin: 0.25rem 0;
  font-size: clamp(2.5rem, 5vw, 5rem);
  letter-spacing: 0;
}

.login-brand .eyebrow {
  color: #9ee2d9;
}

.login-brand p {
  margin: 0;
}

.login-panel {
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-form {
  width: min(100%, 430px);
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.login-form h2,
.login-form p {
  margin: 0;
}

.login-form > div p,
.form-status {
  color: var(--muted);
}

.form-status {
  min-height: 1.25rem;
}

.form-status:not(:empty),
#changePasswordStatus:not(:empty) {
  color: var(--accent-2);
}

@media (max-width: 1180px) {
  .trace-toolbar,
  .floorplan-tools,
  .ai-prediction-row,
  .panel-config-grid,
  .panel-editor-row,
  .panel-product-row,
  .settings-form,
  .settings-grid,
  .proposal-summary {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 980px) {
  .workflow-step-hero {
    grid-template-columns: minmax(0, 1fr) 150px;
  }

  .workflow-step-emblem {
    width: 118px;
    height: 118px;
  }

  .workflow-step-emblem svg {
    width: 76px;
    height: 76px;
  }

  .building-assumptions-hero {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

  .building-assumptions-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .building-assumptions-summary > div:nth-child(3)::before {
    inset: 0 auto auto 0.75rem;
    width: calc(100% - 1.5rem);
    height: 1px;
  }

  .proposal-sections {
    grid-template-columns: 1fr;
  }

  .proposal-section.full-width {
    grid-column: auto;
  }

  .workspace {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .intake {
    position: static;
  }

  .workspace.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .workspace.sidebar-collapsed .intake {
    display: none;
  }

  .topbar,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .step-nav {
    width: 100%;
  }

  .section-head span {
    text-align: left;
  }

  .login-layout {
    grid-template-columns: 1fr;
  }

  .login-brand {
    min-height: 28vh;
    justify-content: flex-end;
  }
}

@media (max-width: 560px) {
  .workflow-step-hero {
    display: block;
    min-height: 0;
    padding-block: 1.35rem;
  }

  .workflow-step-emblem {
    display: none;
  }

  .workflow-step-body {
    padding: 0.8rem;
  }

  .workflow-step-tags {
    align-items: flex-start;
    flex-direction: column;
  }

  .workflow-settings-form > label {
    padding: 0.7rem;
  }

  .workflow-proposal-body .proposal-section {
    padding: 0.75rem;
  }

  .building-assumptions-hero {
    display: block;
    min-height: 0;
    padding-block: 1.4rem;
  }

  .building-assumptions-illustration {
    display: none;
  }

  .building-assumptions-summary,
  .building-assumptions-grid,
  .assumption-card-fields {
    grid-template-columns: 1fr;
  }

  .building-assumptions-summary > div + div::before,
  .building-assumptions-summary > div:nth-child(3)::before {
    inset: 0.1rem 0.75rem auto;
    width: auto;
    height: 1px;
  }

  .assumption-card-copy {
    min-height: 0;
  }

  .assumption-card-fields label:last-child:nth-child(odd):not(:first-child) {
    grid-column: auto;
  }

  .building-assumptions-form .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .building-assumptions-form .form-actions button {
    width: 100%;
  }

  .workspace {
    padding: 0.6rem;
  }

  .field-grid,
  .summary-grid,
  .actions,
  .trace-toolbar,
  .floorplan-tools,
  .settings-form,
  .settings-grid,
  .proposal-summary {
    grid-template-columns: 1fr;
  }

  .ai-progress-notice {
    grid-template-columns: 1fr;
  }

  .ai-progress-percent {
    text-align: left;
  }

  .step-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .step-actions span {
    margin-right: 0;
  }

  .scale-notice,
  .scale-notice-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .finalise-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .floorplan-viewport {
    min-height: 340px;
  }

  .floorplan-stage {
    height: 460px;
  }
}

/* Focused upload, floorplan workspace, and application settings */
.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;
}

body[data-view="upload"] .step-nav {
  visibility: hidden;
}

.upload-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, 520px);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  min-height: calc(100vh - 75px);
  padding: clamp(2rem, 7vw, 7rem);
  background:
    radial-gradient(circle at 18% 18%, rgba(15, 118, 110, 0.14), transparent 28rem),
    linear-gradient(135deg, #f8fbfa 0%, #f3f6f8 100%);
}

.upload-intro {
  max-width: 680px;
}

.upload-intro h2 {
  max-width: 650px;
  margin: 0.45rem 0 1rem;
  font-size: clamp(2.5rem, 5vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.upload-intro > p:not(.eyebrow) {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.65;
}

.upload-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

.upload-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  min-width: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.upload-steps li > span {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
}

.upload-steps strong,
.upload-steps small {
  display: block;
}

.upload-steps small {
  margin-top: 0.2rem;
  color: var(--muted);
  line-height: 1.35;
}

.upload-card {
  gap: 1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(215, 221, 229, 0.9);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 28px 70px rgba(20, 28, 38, 0.13);
  backdrop-filter: blur(12px);
}

.upload-card-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.upload-card-head h3,
.upload-card-head p,
.upload-privacy {
  margin: 0;
}

.upload-card-head h3 {
  font-size: 1.15rem;
}

.upload-card-head p,
.upload-privacy {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.upload-card-icon {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 12px;
  background: #e8f5f3;
  color: var(--accent);
}

.upload-card-icon svg,
.dropzone-art svg,
.tool-button svg,
.icon-toggle svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.upload-dropzone {
  place-items: center;
  min-height: 240px;
  padding: 1.5rem;
  border: 1.5px dashed #98aaa8;
  border-radius: 14px;
  background: #f8fbfa;
  color: var(--ink);
  text-align: center;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.upload-dropzone:hover,
.upload-dropzone.dragging {
  border-color: var(--accent);
  background: #eef9f7;
  transform: translateY(-2px);
}

.upload-dropzone.has-file {
  border-style: solid;
  border-color: var(--accent);
  background: #edf9f7;
}

.upload-dropzone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.dropzone-art {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 0.35rem;
  border-radius: 50%;
  background: #dff1ee;
  color: var(--accent);
}

.upload-dropzone > span:not(.dropzone-art),
.upload-dropzone small {
  color: var(--muted);
  font-size: 0.82rem;
}

.upload-dropzone small {
  margin-top: 0.4rem;
  color: var(--accent-3);
}

.upload-submit {
  min-height: 3rem;
  border-radius: 10px;
  font-weight: 800;
}

.upload-privacy {
  text-align: center;
}

.workspace {
  grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
}

body:not([data-active-step="floorplan"]) .workspace {
  grid-template-columns: minmax(0, 1fr);
}

body:not([data-active-step="floorplan"]) .room-sidebar {
  display: none;
}

.room-sidebar {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 0.85rem;
  height: 100%;
  min-height: 0;
  padding: 0.9rem;
  overflow: hidden;
}

.room-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.room-sidebar-head h2,
.room-sidebar-head p,
.room-sidebar-help {
  margin: 0;
}

.room-count {
  display: grid;
  place-items: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: #eaf4f2;
  color: var(--accent);
  font-weight: 800;
}

.room-sidebar-help {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.floorplan-room-list {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  min-height: 0;
  overflow: auto;
}

.floorplan-room-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.65rem;
  border-color: transparent;
  border-radius: 9px;
  background: transparent;
  text-align: left;
}

.floorplan-room-item:hover {
  background: #f4f7f8;
}

.floorplan-room-item.active {
  border-color: #94c9c3;
  background: #eaf6f4;
  color: var(--ink);
  font-weight: inherit;
}

.room-list-index {
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 7px;
  background: #edf0f3;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.floorplan-room-item.active .room-list-index {
  background: var(--accent);
  color: #fff;
}

.room-list-copy,
.room-list-copy strong,
.room-list-copy small,
.room-list-area {
  min-width: 0;
}

.room-list-copy strong,
.room-list-copy small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-list-copy small,
.room-list-area {
  color: var(--muted);
  font-size: 0.7rem;
}

.room-list-area {
  white-space: nowrap;
}

.room-list-empty {
  padding: 1rem;
  border: 1px dashed var(--line);
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.compact-summary {
  gap: 0.4rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.compact-summary div {
  padding: 0.5rem;
}

.compact-summary strong {
  font-size: 0.95rem;
}

.main-grid > .floorplan-panel,
.main-grid > .floorplan-panel.scale-required,
.main-grid > .floorplan-panel.ai-running,
.main-grid > .floorplan-panel.scale-required.ai-running {
  grid-template-rows: auto auto auto auto minmax(0, 1fr) auto;
}

.floorplan-context-bar {
  grid-template-columns: minmax(170px, 0.9fr) minmax(110px, 0.45fr) minmax(135px, 0.55fr) auto minmax(250px, 1.2fr);
  align-items: end;
  gap: 0.55rem;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #f8fafb;
}

.floorplan-editor-shell {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 0.5rem;
  min-height: 0;
  height: 100%;
}

.floorplan-tools {
  position: static;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  justify-content: center;
  align-self: stretch;
  gap: 0.25rem;
  min-width: 0;
  margin: 0;
  padding: 0.35rem;
  overflow-x: hidden;
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #f7f8fa;
  backdrop-filter: none;
}

.floorplan-tools::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.floorplan-tools .tool-button {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 100%;
  max-width: 2.25rem;
  height: 2.25rem;
  min-height: 2.25rem;
  padding: 0;
  border-color: transparent;
  border-radius: 7px;
  background: transparent;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease, box-shadow 120ms ease;
}

.floorplan-tools .tool-button:hover:not(:disabled) {
  border-color: var(--line);
  background: #fff;
  box-shadow: 0 2px 7px rgba(20, 28, 38, 0.09);
}

.floorplan-tools .tool-button.active {
  border-color: #85bdb7;
  background: #e2f2ef;
  color: var(--accent);
}

.floorplan-tools .primary-tool:not(:disabled) {
  background: var(--accent);
  color: #fff;
}

.floorplan-tools .danger-tool:not(:disabled) {
  color: var(--accent-2);
}

.floorplan-tools .tool-button.active:hover:not(:disabled) {
  border-color: #6eaaa3;
  background: #d6ebe7;
  color: #0b625b;
}

.floorplan-tools .tool-button.primary-tool:hover:not(:disabled) {
  border-color: #0a5e57;
  background: #0a5e57;
  color: #fff;
  box-shadow: 0 3px 9px rgba(15, 118, 110, 0.26);
}

.floorplan-tools .tool-button.danger-tool:hover:not(:disabled) {
  border-color: #e5aaa5;
  background: #fff1f0;
  color: #8f1c13;
}

.tool-divider {
  grid-column: 1 / -1;
  width: 100%;
  height: 1px;
  margin: 0.15rem 0;
  background: var(--line);
}

.zoom-level {
  grid-column: 1 / -1;
  text-align: center;
  padding: 0.25rem 0;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 800;
}

.floorplan-stage-shell {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

.floorplan-stage {
  min-width: 0;
  height: 100%;
}

.floorplan-view-toggles {
  position: absolute;
  top: 0.65rem;
  left: 50%;
  z-index: 12;
  display: flex;
  justify-content: center;
  gap: 0.3rem;
  width: max-content;
  margin: 0;
  transform: translateX(-50%);
}

.icon-toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  min-height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--muted);
  box-shadow: 0 3px 10px rgba(20, 28, 38, 0.08);
  cursor: pointer;
  backdrop-filter: blur(6px);
}

.icon-toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.icon-toggle:has(input:checked) {
  border-color: #79b6af;
  background: #e7f5f3;
  color: var(--accent);
}

.settings-modal {
  width: min(1180px, calc(100vw - 2rem));
  height: min(780px, calc(100vh - 2rem));
  max-width: none;
  max-height: none;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 28px 80px rgba(17, 24, 39, 0.24);
}

.settings-modal::backdrop {
  background: rgba(17, 24, 39, 0.48);
  backdrop-filter: blur(3px);
}

.settings-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.settings-modal-head h2,
.settings-modal-head p,
.settings-section-head h3,
.settings-section-head p {
  margin: 0;
}

.settings-modal-head h2 {
  margin-top: 0.2rem;
  font-size: 1.35rem;
}

.settings-close {
  border-color: transparent;
  background: #f4f6f8;
}

.settings-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  height: calc(100% - 76px);
  min-height: 0;
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  border-right: 1px solid var(--line);
  background: #f7f8fa;
}

.settings-nav button {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-color: transparent;
  background: transparent;
  text-align: left;
}

.settings-nav button.active {
  border-color: #b9d8d4;
  background: #e8f5f3;
  color: var(--accent);
}

.settings-content {
  min-width: 0;
  min-height: 0;
  overflow: auto;
}

.settings-section {
  display: none;
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.settings-section.active {
  display: block;
}

.settings-section-head {
  margin-bottom: 1.5rem;
}

.settings-section-head h3 {
  font-size: 1.35rem;
}

.settings-section-head p,
.settings-note {
  max-width: 720px;
  margin-top: 0.35rem;
  color: var(--muted);
  line-height: 1.55;
}

.preference-list {
  display: grid;
  max-width: 760px;
  border-top: 1px solid var(--line);
}

.preference-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 220px);
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.preference-row strong,
.preference-row small {
  display: block;
}

.preference-row small {
  margin-top: 0.25rem;
  color: var(--muted);
  font-weight: 400;
}

.switch-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.switch-row input {
  width: 2.7rem;
  min-height: 1.45rem;
}

.unit-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 780px;
}

.unit-option {
  position: relative;
  display: block;
  min-height: 180px;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfcfd;
  color: var(--ink);
  cursor: pointer;
}

.unit-option:has(input:checked) {
  border-color: var(--accent);
  background: #eef8f6;
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.1);
}

.unit-option input {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: auto;
  min-height: 0;
}

.unit-option strong,
.unit-option small,
.unit-option b {
  display: block;
}

.unit-option strong {
  font-size: 1.1rem;
}

.unit-option small {
  max-width: 260px;
  margin-top: 0.55rem;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.45;
}

.unit-option b {
  margin-top: 1.25rem;
  color: var(--accent-3);
  font-size: 1.05rem;
}

.settings-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  position: sticky;
  bottom: 0;
  margin-top: 1rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.settings-actions > span {
  margin-right: auto;
  color: var(--muted);
  font-size: 0.8rem;
}

.settings-account-form {
  max-width: 620px;
}

.settings-section .panel-products-editor {
  gap: 0.85rem;
  max-height: none;
  overflow: visible;
}

.settings-section .panel-product-row {
  display: block;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfcfd;
}

.panel-product-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.panel-product-row-head button {
  min-height: 2rem;
  padding: 0.35rem 0.65rem;
}

.panel-product-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 0.7rem;
}

.panel-product-fields label {
  display: grid;
  align-content: start;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
}

.panel-product-fields input,
.panel-product-fields select {
  min-width: 0;
}

.panel-product-name {
  grid-column: span 2;
}

html[data-density="compact"] .panel,
html[data-density="compact"] .settings-section {
  --density-scale: 0.82;
}

html[data-density="compact"] .room-card,
html[data-density="compact"] .panel-config-card,
html[data-density="compact"] .settings-section,
html[data-density="compact"] .main-grid > .panel,
html[data-density="compact"] .step-page > .panel {
  padding: 0.7rem;
}

.reduce-motion *,
.reduce-motion *::before,
.reduce-motion *::after {
  scroll-behavior: auto !important;
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

@media (max-width: 1080px) {
  .upload-page {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .upload-intro {
    max-width: none;
  }

  .upload-intro h2 {
    font-size: clamp(2.4rem, 9vw, 4.5rem);
  }

  .floorplan-context-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .floorplan-context-bar #traceStatus {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .workspace,
  body:not([data-active-step="floorplan"]) .workspace {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .room-sidebar {
    height: auto;
    max-height: 390px;
  }

  .floorplan-editor-shell {
    grid-template-columns: 1fr;
  }

  .floorplan-tools {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .tool-divider {
    width: 1px;
    height: 1.8rem;
    margin: 0 0.15rem;
  }

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

  .settings-nav {
    flex-direction: row;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .settings-nav button {
    width: auto;
    white-space: nowrap;
  }
}

@media (max-width: 600px) {
  .upload-page {
    padding: 1rem;
  }

  .upload-steps,
  .unit-options,
  .floorplan-context-bar {
    grid-template-columns: 1fr;
  }

  .settings-modal {
    width: 100vw;
    height: 100vh;
    border: 0;
    border-radius: 0;
  }

  .preference-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .panel-product-name {
    grid-column: auto;
  }
}