:root {
  color-scheme: dark;
  --studio-bg: #07141c;
  --studio-panel: #0d202a;
  --studio-panel-2: #122a35;
  --studio-line: rgba(221, 234, 237, 0.16);
  --studio-line-strong: rgba(221, 234, 237, 0.3);
  --studio-text: #f5f2e9;
  --studio-muted: #c0ccd0;
  --studio-accent: #c99b55;
  --studio-blue: #74b7ca;
  --viz-roof: #20272d;
  --viz-wall: #ead7c0;
  --viz-trim: #fff6ea;
  --accent: #c07b4d;
  --accent-2: #789083;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  overflow: hidden;
  color: var(--studio-text);
  background: var(--studio-bg);
  font-family: "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
}
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend { width: 100%; margin: 0 0 8px; padding: 0; }

.studio-shell {
  height: 100svh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 72px minmax(0, 1fr);
}

.studio-header {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(260px, 1fr);
  align-items: center;
  gap: 22px;
  padding: 0 22px;
  border-bottom: 1px solid var(--studio-line);
  background: #091821;
}
.studio-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.studio-brand img { width: 178px; height: auto; display: block; }
.studio-brand div { min-width: 0; }
.studio-brand span,
.stage-title span,
.panel-heading span,
.control-label,
.property-status span,
.studio-selection span {
  display: block;
  color: var(--studio-accent);
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
}
.studio-brand b { display: block; margin-top: 2px; font-size: .86rem; }
.studio-title { text-align: center; }
.studio-title b { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 1.2rem; font-weight: 400; }
.studio-title span { color: var(--studio-muted); font-size: .74rem; }
.studio-header-actions { display: flex; justify-content: flex-end; gap: 8px; }

.studio-button,
.studio-icon-button,
.choice-button,
.view-button,
.phase-button,
.swatch-button,
.finish-button {
  min-height: 40px;
  border: 1px solid var(--studio-line-strong);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}
.studio-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  color: var(--studio-text);
  font-size: .72rem;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
}
.studio-button.primary { border-color: var(--studio-accent); background: var(--studio-accent); color: #111b20; }
.studio-button:hover,
.studio-icon-button:hover,
.choice-button:hover,
.view-button:hover,
.phase-button:hover,
.swatch-button:hover,
.finish-button:hover { border-color: var(--studio-accent); }
.studio-button:focus-visible,
.studio-icon-button:focus-visible,
.choice-button:focus-visible,
.view-button:focus-visible,
.phase-button:focus-visible,
.swatch-button:focus-visible,
.finish-button:focus-visible,
input:focus-visible { outline: 2px solid var(--studio-blue); outline-offset: 2px; }

.studio-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: 306px minmax(440px, 1fr) 286px;
}
.studio-sidebar,
.studio-inspector {
  min-height: 0;
  overflow-y: auto;
  background: var(--studio-panel);
  scrollbar-color: var(--studio-line-strong) transparent;
}
.studio-sidebar { border-right: 1px solid var(--studio-line); }
.studio-inspector { border-left: 1px solid var(--studio-line); }
.panel-section { padding: 22px; border-bottom: 1px solid var(--studio-line); }
.panel-heading { margin-bottom: 15px; }
.panel-heading b { display: block; margin-top: 3px; font-size: .96rem; }
.panel-heading p { margin: 7px 0 0; color: var(--studio-muted); font-size: .82rem; line-height: 1.45; }

.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.choice-button {
  min-height: 76px;
  padding: 10px;
  text-align: left;
}
.choice-button b { display: block; font-size: .76rem; }
.choice-button span { display: block; margin-top: 4px; color: var(--studio-muted); font-size: .7rem; line-height: 1.35; }
.choice-button.is-selected,
.view-button.active,
.phase-button.is-selected,
.finish-button.active,
.swatch-button.active { border-color: var(--studio-accent); background: rgba(201, 155, 85, .12); }

.swatch-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
.swatch-button { position: relative; min-width: 0; padding: 6px; }
.swatch-button::before {
  content: "";
  display: block;
  height: 21px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 2px;
  background: var(--swatch);
}
.swatch-button span { display: flex; min-height: 2.1em; align-items: center; justify-content: center; margin-top: 5px; color: var(--studio-muted); font-size: .65rem; line-height: 1.25; text-align: center; white-space: normal; }
.finish-row { display: flex; flex-wrap: wrap; gap: 7px; }
.finish-button { min-height: 34px; padding: 0 10px; color: var(--studio-muted); font-size: .7rem; }

.studio-stage {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: 58px minmax(0, 1fr) 62px;
  background:
    linear-gradient(rgba(116,183,202,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116,183,202,.035) 1px, transparent 1px),
    #081922;
  background-size: 40px 40px;
}
.stage-toolbar,
.stage-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  border-bottom: 1px solid var(--studio-line);
  background: rgba(9, 25, 34, .94);
}
.stage-footer { justify-content: space-between; border-top: 1px solid var(--studio-line); border-bottom: 0; }
.stage-title { min-width: 190px; margin-right: auto; }
.stage-title b { display: block; margin-top: 2px; font-size: .8rem; }
.view-group,
.action-group,
.phase-group { display: flex; gap: 6px; }
.view-button,
.phase-button { min-height: 34px; padding: 0 11px; color: var(--studio-muted); font-size: .7rem; font-weight: 800; text-transform: uppercase; }
.studio-icon-button { width: 38px; min-height: 38px; font-size: 1rem; font-weight: 800; }
.studio-icon-button.wide { width: auto; padding: 0 12px; font-size: .68rem; text-transform: uppercase; }

.model-viewer-card { min-width: 0; min-height: 0; position: relative; }
.studio-viewport { min-height: 0; position: relative; overflow: hidden; }
.three-home-stage { position: absolute; inset: 0; cursor: grab; touch-action: none; }
.three-home-stage:active { cursor: grabbing; }
.three-home-stage canvas { display: block; width: 100%; height: 100%; }
.stage-footer-copy { min-width: 0; }
.stage-footer-copy b { display: block; font-size: .8rem; }
.stage-footer-copy span { display: block; overflow: hidden; color: var(--studio-muted); font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }

.studio-selection { padding: 16px; border: 1px solid var(--studio-line); border-radius: 4px; background: var(--studio-panel-2); }
.studio-selection b { display: block; margin-top: 5px; font-family: Georgia, "Times New Roman", serif; font-size: 1.3rem; font-weight: 400; }
.studio-selection p { margin: 8px 0 0; color: var(--studio-muted); font-size: .78rem; line-height: 1.45; }
.selection-list { margin: 15px 0 0; padding: 0; list-style: none; }
.selection-list li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid var(--studio-line); font-size: .74rem; }
.selection-list span { color: var(--studio-muted); }
.selection-list b { font-size: .74rem; text-align: right; }

.address-form { display: grid; gap: 8px; }
.address-form input {
  min-width: 0;
  width: 100%;
  height: 42px;
  padding: 0 11px;
  border: 1px solid var(--studio-line-strong);
  border-radius: 4px;
  color: var(--studio-text);
  background: #081922;
}
.address-actions { display: grid; grid-template-columns: 1fr auto; gap: 7px; }
.property-status { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--studio-line); }
.property-status b { display: block; margin-top: 4px; font-size: .76rem; }
.property-status p { margin: 6px 0 0; color: var(--studio-muted); font-size: .74rem; line-height: 1.45; }
.property-basis { margin-top: 10px; padding: 10px; border-left: 2px solid var(--studio-line-strong); background: rgba(255,255,255,.025); }
.property-basis b { margin: 0; font-size: .72rem; }
.property-basis span { margin-top: 3px; color: var(--studio-muted); font-size: .7rem; font-weight: 400; line-height: 1.4; text-transform: none; }
.property-links { display: flex; gap: 10px; margin-top: 10px; }
.property-links a { color: var(--studio-blue); font-size: .67rem; }
.upload-button { width: 100%; }
.photo-input { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; }

.studio-truth { margin: 0; padding: 0; list-style: none; }
.studio-truth li { padding: 10px 0; border-top: 1px solid var(--studio-line); }
.studio-truth li:first-child { border-top: 0; }
.studio-truth b { display: block; font-size: .71rem; }
.studio-truth span { display: block; margin-top: 3px; color: var(--studio-muted); font-size: .72rem; line-height: 1.4; }

.studio-mobile-label { display: none; }

@media (max-width: 1160px) {
  .studio-layout { grid-template-columns: 264px minmax(420px, 1fr) 252px; }
  .studio-brand div { display: none; }
  .studio-header { grid-template-columns: 210px 1fr 210px; }
  .panel-section { padding: 18px; }
  .choice-grid { grid-template-columns: 1fr; }
  .choice-button { min-height: 58px; }
}

@media (max-width: 1120px) {
  body { overflow: auto; }
  .studio-shell { display: block; height: auto; }
  .studio-header {
    position: sticky;
    z-index: 20;
    top: 0;
    grid-template-columns: 1fr auto;
    min-height: 64px;
    padding: 8px 12px;
  }
  .studio-brand img { width: 154px; }
  .studio-title { display: none; }
  .studio-header-actions .studio-button:not(.primary) { display: none; }
  .studio-header-actions .studio-button { min-height: 38px; padding: 0 11px; }
  .studio-layout { display: flex; flex-direction: column; }
  .studio-stage { order: 1; min-height: 620px; grid-template-rows: auto 500px auto; }
  .studio-sidebar { order: 2; overflow: visible; border-right: 0; border-top: 1px solid var(--studio-line); }
  .studio-inspector { order: 3; overflow: visible; border-left: 0; }
  .stage-toolbar { min-height: 98px; align-items: flex-start; flex-wrap: wrap; padding: 12px; }
  .stage-title { width: 100%; }
  .view-group { width: 100%; display: grid; grid-template-columns: repeat(5, 1fr); }
  .view-button { padding: 0 4px; }
  .stage-footer { min-height: 70px; padding: 10px 12px; }
  .stage-footer-copy span { white-space: normal; }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .studio-sidebar, .studio-inspector { background: var(--studio-panel); }
  .studio-mobile-label { display: block; padding: 14px 18px; border-bottom: 1px solid var(--studio-line); color: var(--studio-accent); font-size: .68rem; font-weight: 800; text-transform: uppercase; }
}

@media (max-width: 520px) {
  .studio-stage { min-height: 560px; grid-template-rows: auto 410px auto; }
  .stage-toolbar { min-height: 94px; }
  .stage-title { min-width: 0; }
  .stage-footer-copy { display: none; }
  .stage-footer { justify-content: center; }
  .studio-icon-button { width: auto; }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .choice-button { min-height: 66px; }
  .action-group { width: 100%; display: grid; grid-template-columns: 42px 1fr 42px 1fr 1.25fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}