@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;700&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --color-ink: #14151a;
  --color-muted: #4a4a52;
  --color-faint: #8a8a8a;
  --color-line: rgba(73, 77, 112, 0.14);
  --color-line-strong: rgba(73, 77, 112, 0.24);
  --color-surface: #ffffff;
  --color-paper: #f7f7f5;
  --color-soft: #eeede8;
  --color-accent: #8b775c;
  --color-accent-hover: #a8916f;
  --color-accent-soft: #f0e9df;
  --color-navy: #494d70;
  --color-navy-strong: #33364f;
  --color-navy-soft: #e9e9f0;
  --color-danger: #bb7568;
  --color-success: #589785;
  --panel-shadow: 0 20px 50px rgba(20, 21, 26, 0.12);
  --control-shadow: 0 8px 24px rgba(20, 21, 26, 0.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --mobile-menu-tile-size: clamp(100px, 29vw, 112px);
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "DM Mono", monospace;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  color: var(--color-ink);
  background: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

button:focus-visible,
input:focus-visible,
[role="button"]:focus-visible {
  outline: 3px solid rgba(73, 77, 112, 0.28);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
}

#stage {
  position: relative;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
}

#stratyconfig-viewer,
.marzipano-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  background: var(--color-ink);
  transition: filter 350ms ease;
}

#stratyconfig-viewer.pano-loading {
  filter: saturate(55%) brightness(0.88);
}

.pano-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: opacity 250ms ease;
}

.pano-spinner.visible {
  opacity: 1;
}

.pano-spinner-ring,
.live-upload-spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.pano-spinner-text {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.78rem;
  font-weight: 700;
}

.pano-spinner-text::after {
  content: "";
  display: inline-block;
  width: 1.2em;
  animation: dots 2.4s steps(4, end) infinite;
}

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

@keyframes dots {
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
}

/* Layer POV hotspots (2D viewer) */

.layer-hotspots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

.hotspot-marker {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 4px 14px rgba(20, 21, 26, 0.35);
  cursor: pointer;
  pointer-events: auto;
  transition: transform 180ms ease;
}

.hotspot-marker::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  opacity: 0.55;
  animation: hotspot-pulse 2.2s ease-out infinite;
}

.hotspot-marker:hover,
.hotspot-marker.is-active {
  transform: translate(-50%, -50%) scale(1.15);
}

@keyframes hotspot-pulse {
  0% {
    transform: scale(0.85);
    opacity: 0.55;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Configurator panel */

.ui-container {
  position: absolute;
  top: 12px;
  right: 12px;
  bottom: 12px;
  left: auto;
  z-index: 40;
  display: flex;
  flex-direction: column;
  width: clamp(300px, 25vw, 372px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(20px);
}

.sidebar-header {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  padding: 0 20px;
  border-bottom: 1px solid var(--color-line);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.84rem;
  font-weight: 800;
  font-family: var(--font-display);
}

.sidebar-brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--color-accent);
  box-shadow: inset 0 0 0 1px rgba(23, 23, 23, 0.12);
  transform: rotate(12deg);
}

.sidebar-header p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.panel-collapse-toggle {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 10px;
  background: var(--color-soft);
  cursor: pointer;
  transition: background-color 180ms ease;
}

.panel-collapse-toggle:hover {
  background: var(--color-paper);
}

.panel-collapse-toggle svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  transition: transform 220ms ease;
}

.ui-container.collapsed .menu-heading,
.ui-container.collapsed #menu-elements,
.ui-container.collapsed #scene-selector,
.ui-container.collapsed #submenu-materials {
  display: none;
}

.ui-container.collapsed .panel-collapse-toggle svg {
  transform: rotate(180deg);
}

@media (min-width: 721px) {
  .ui-container.collapsed {
    bottom: auto;
  }
}

.sidebar-actions {
  display: grid;
  flex: 0 0 auto;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 8px;
  padding: 16px 16px 12px;
}

.scene-toggle-btn,
#save-2render {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 10px 14px;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 800;
  transition: transform 180ms ease, background-color 180ms ease;
}

.scene-toggle-btn {
  gap: 8px;
  color: var(--color-ink);
  background: var(--color-soft);
}

.scene-toggle-btn:hover {
  background: var(--color-paper);
}

.scene-toggle-icon {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
}

.scene-toggle-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

#save-2render {
  justify-content: space-between;
  color: #fff;
  background: var(--color-accent);
}

#save-2render:hover {
  background: var(--color-accent-hover);
}

.scene-toggle-btn:active,
#save-2render:active {
  transform: scale(0.98);
}

.button-arrow {
  font-size: 1rem;
  line-height: 1;
}

.menu-heading {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px 10px;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

#menu-elements {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  min-height: 0;
  padding: 0 12px 16px;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-color: var(--color-line-strong) transparent;
  scrollbar-width: thin;
}

.menu-item {
  position: relative;
  display: grid;
  aspect-ratio: 1 / 1;
  min-height: 0;
  margin: 0;
  padding: 7px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--color-soft);
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.menu-item:hover {
  border-color: var(--color-line-strong);
  background: var(--color-paper);
  transform: translateX(2px);
}

.menu-item-thumbnail {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  min-height: 0;
  border-radius: 12px;
  object-fit: cover;
  background: var(--color-soft);
}

.menu-item-text {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
  padding: 7px 8px;
  overflow: hidden;
  border-radius: 10px;
  color: #fff;
  background: rgba(20, 21, 26, 0.72);
  backdrop-filter: blur(8px);
}

.menu-item-title,
.menu-item-subtitle {
  overflow: hidden;
  text-overflow: ellipsis;
}

.menu-item-title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: clamp(0.68rem, 0.4vw + 0.58rem, 0.81rem);
  font-weight: 800;
  line-height: 1.1;
}

.menu-item-subtitle {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(0.6rem, 0.3vw + 0.53rem, 0.72rem);
  font-weight: 600;
  white-space: nowrap;
}

/* Material drawer */

.submenu-panel {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: inherit;
  background: var(--color-surface);
  transform: translateX(105%);
  transition: transform 360ms var(--ease-out);
}

.submenu-panel.active {
  transform: translateX(0);
}

.submenu-header {
  display: flex;
  min-height: 66px;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  border-bottom: 1px solid var(--color-line);
}

.submenu-back {
  display: grid;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 12px;
  background: var(--color-soft);
  cursor: pointer;
  place-items: center;
  font-size: 1.55rem;
  line-height: 1;
}

.submenu-title {
  min-width: 0;
  overflow: hidden;
  font-size: 1rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.submenu-body {
  min-height: 0;
  padding: 14px;
  overflow-y: auto;
}

.submenu-main-preview {
  position: relative;
  width: min(100%, 220px);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-soft);
}

.submenu-main-preview img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.submenu-main-label {
  position: absolute;
  right: 10px;
  bottom: 10px;
  left: 10px;
  overflow: hidden;
  padding: 9px 11px;
  border-radius: 10px;
  color: #fff;
  background: rgba(17, 17, 17, 0.72);
  backdrop-filter: blur(8px);
  font-size: 0.72rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tile-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 14px 0;
}

.tile {
  display: grid;
  aspect-ratio: 1 / 1;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
  padding: 5px;
  border: 2px solid transparent;
  border-radius: 14px;
  background: var(--color-soft);
  cursor: pointer;
  text-align: left;
  transition: border-color 180ms ease, transform 180ms ease;
}

.tile:hover {
  transform: translateY(-2px);
}

.tile.active {
  border-color: var(--color-navy);
  background: var(--color-surface);
}

.tile img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  border-radius: 9px;
  object-fit: cover;
}

.tile-label {
  overflow: hidden;
  padding: 8px 5px 5px;
  font-size: 0.68rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Scene selector */

.scene-selector,
.render-modal,
.welcome-scene-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(18, 18, 18, 0.3);
  backdrop-filter: blur(10px);
}

.scene-selector {
  top: 50%;
  left: 50%;
  right: auto;
  bottom: auto;
  display: none;
  width: min(900px, calc(100vw - 32px));
  height: min(620px, calc(100dvh - 40px));
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--panel-shadow);
  backdrop-filter: none;
  transform: translate(-50%, -50%);
}

.scene-selector-header,
.render-modal-header {
  display: flex;
  min-height: 72px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
}

.scene-selector-header h3,
.render-modal-header h3 {
  margin: 0;
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 800;
}

.scene-selector-close,
.render-modal-close {
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 12px;
  color: var(--color-ink);
  background: var(--color-soft);
  cursor: pointer;
  place-items: center;
  font-size: 1.45rem;
  line-height: 1;
}

.scene-buttons {
  display: grid;
  width: 100%;
  min-height: 0;
  flex: 1;
  grid-template-columns: repeat(auto-fill, minmax(140px, 160px));
  gap: 10px;
  align-content: start;
  justify-content: start;
  padding: 18px;
  overflow-y: auto;
}

.scene-button {
  display: flex;
  min-width: 0;
  aspect-ratio: 1 / 1;
  min-height: 0;
  flex-direction: column;
  align-items: stretch;
  padding: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background: var(--color-soft);
  cursor: pointer;
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease;
}

.scene-button:hover {
  border-color: var(--color-navy);
  transform: translateY(-2px);
}

.scene-button.active {
  color: #fff;
  border-color: var(--color-navy-strong);
  background: var(--color-navy);
  box-shadow: inset 0 0 0 1px var(--color-navy-strong);
}

.scene-button-visual,
.welcome-scene-modal__scene-visual {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 96px;
  overflow: hidden;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 11px;
  color: var(--color-faint);
  background: var(--color-soft);
  font-size: 0.6rem;
  font-weight: 700;
  text-align: center;
}

.scene-button-visual img,
.welcome-scene-modal__scene-visual img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-thumbnail-placeholder-icon {
  position: relative;
  width: 28px;
  height: 22px;
  border: 2px solid var(--color-faint);
  border-radius: 7px;
}

.scene-thumbnail-placeholder-icon::before {
  position: absolute;
  top: 4px;
  right: 5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-faint);
  content: "";
}

.scene-thumbnail-placeholder-icon::after {
  position: absolute;
  right: 4px;
  bottom: 4px;
  left: 4px;
  height: 7px;
  border-radius: 3px 3px 2px 2px;
  background: var(--color-faint);
  clip-path: polygon(0 100%, 34% 30%, 54% 70%, 73% 45%, 100% 100%);
  content: "";
}

.scene-button-meta,
.welcome-scene-modal__scene-meta {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 7px 6px;
}

.scene-button-index {
  flex: 0 0 auto;
  font-size: 0.65rem;
  font-weight: 800;
  opacity: 0.58;
}

.scene-button-label {
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: 0.82rem;
  font-weight: 800;
  text-align: right;
}

/* Welcome experience */

.welcome-scene-modal {
  display: none;
}

.welcome-scene-modal.visible {
  display: flex;
}

.welcome-scene-modal__backdrop {
  position: absolute;
  inset: 0;
}

.welcome-scene-modal__panel {
  position: relative;
  display: flex;
  width: min(960px, calc(100vw - 40px));
  max-height: calc(100dvh - 40px);
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 28px;
  background: var(--color-surface);
  box-shadow: var(--panel-shadow);
}

.welcome-scene-modal__header {
  min-height: 64px;
}

.welcome-scene-modal__header-title {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 800;
}

.welcome-scene-modal__body {
  min-height: 0;
  padding: clamp(22px, 3vw, 34px);
  overflow-y: auto;
}

.welcome-scene-modal__title {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.25rem, 5.5vw, 4.6rem);
  font-weight: 800;
  line-height: 1.02;
}

.welcome-scene-modal__intro {
  max-width: 690px;
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: clamp(0.96rem, 1.5vw, 1.12rem);
  font-weight: 500;
  line-height: 1.55;
}

.welcome-scene-modal__hint-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.welcome-scene-modal__hint-grid div {
  min-height: 90px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--color-soft);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.45;
}

.welcome-scene-modal__hint-grid div:nth-child(2) {
  background: var(--color-navy-soft);
}

.welcome-scene-modal__hint-grid div:nth-child(3) {
  background: var(--color-accent-soft);
}

.welcome-scene-modal__hint-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.68rem;
  font-weight: 800;
}

.welcome-scene-modal__scenes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 170px));
  gap: 10px;
  margin-top: 18px;
}

.welcome-scene-modal__scene {
  display: flex;
  aspect-ratio: 1 / 1;
  min-height: 0;
  flex-direction: column;
  align-items: stretch;
  padding: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background: var(--color-surface);
  cursor: pointer;
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease;
}

.welcome-scene-modal__scene:hover {
  border-color: var(--color-ink);
  transform: translateY(-2px);
}

.welcome-scene-modal__scene.active {
  color: #fff;
  border-color: var(--color-navy-strong);
  background: var(--color-navy);
  box-shadow: inset 0 0 0 1px var(--color-navy-strong);
}

.welcome-scene-modal__scene-index {
  flex: 0 0 auto;
  font-size: 0.62rem;
  font-weight: 800;
  opacity: 0.58;
}

.welcome-scene-modal__scene-label {
  overflow-wrap: anywhere;
  font-size: 0.76rem;
  font-weight: 800;
  text-align: right;
}

.welcome-scene-modal__footer {
  display: flex;
  min-height: 76px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 20px;
  border-top: 1px solid var(--color-line);
}

.welcome-scene-modal__start {
  min-width: 160px;
  min-height: 48px;
  padding: 11px 24px;
  border: 0;
  border-radius: 14px;
  color: #fff;
  background: var(--color-accent);
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 800;
}

.welcome-scene-modal__start:not(:disabled):hover {
  background: var(--color-accent-hover);
}

.welcome-scene-modal__start:disabled {
  opacity: 0.38;
}

.welcome-scene-modal__start.loading {
  cursor: wait;
}

/* Render and share modal */

.render-modal {
  display: none;
}

.render-modal-content {
  display: flex;
  width: min(1080px, calc(100vw - 40px));
  max-height: calc(100dvh - 40px);
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--panel-shadow);
}

.render-modal-body {
  display: flex;
  padding: 20px;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  overflow-y: auto;
}

.render-modal-body-grid {
  display: grid;
  width: 100%;
  min-height: 0;
  grid-template-columns: minmax(0, 2fr) 104px minmax(230px, 0.85fr);
  gap: 20px;
  align-items: start;
  padding: 20px;
  overflow-y: auto;
}

.render-image-col,
.render-contact-col {
  min-width: 0;
}

.render-contact-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.render-contact-col h4 {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.render-preview-image {
  display: block;
  width: 100%;
  max-height: 72vh;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: var(--color-soft);
}

.render-preview-loading {
  display: flex;
  width: 100%;
  aspect-ratio: 4 / 3;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: var(--radius-md);
  background: var(--color-soft);
}

.render-preview-loading .pano-spinner-ring {
  border-color: rgba(0, 0, 0, 0.12);
  border-top-color: var(--color-ink);
}

.render-preview-loading .pano-spinner-text {
  color: var(--color-muted);
}

.render-error {
  padding: 48px 32px;
  color: var(--color-danger);
  text-align: center;
}

.specifications-container {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.spec-item {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  color: var(--color-muted);
  font-size: 0.65rem;
  text-align: center;
}

.spec-item strong {
  color: var(--color-ink);
}

.spec-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-form input {
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  color: var(--color-ink);
  background: var(--color-soft);
  font-size: 0.78rem;
}

.contact-form input:focus {
  border-color: var(--color-ink);
  outline: 0;
}

.contact-form button,
.render-download-btn {
  min-height: 44px;
  padding: 10px 16px;
  border: 0;
  border-radius: 12px;
  color: #fff;
  background: var(--color-accent);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
  text-decoration: none;
}

.contact-form button:hover,
.render-download-btn:hover {
  background: var(--color-accent-hover);
}

.contact-form-feedback {
  min-height: 1.2em;
  margin: 0;
  font-size: 0.7rem;
}

.contact-form-feedback.error {
  color: var(--color-danger);
}

.contact-form-feedback.success {
  color: var(--color-success);
}

.share-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.share-buttons button {
  min-height: 42px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  color: var(--color-ink);
  background: var(--color-soft);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
}

.qr-container {
  display: flex;
  min-height: 150px;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-soft);
}

.qr-container img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.qr-container.hidden {
  display: none;
}

/* Viewer utility controls */

.fullscreen-button,
.vr-button {
  position: absolute;
  right: auto;
  left: 14px;
  z-index: 50;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 14px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--control-shadow);
  backdrop-filter: blur(14px);
  cursor: pointer;
  place-items: center;
  transition: transform 180ms ease, background-color 180ms ease;
}

.fullscreen-button {
  top: 14px;
}

.vr-button {
  top: 66px;
}

.fullscreen-button:hover,
.vr-button:hover {
  color: #fff;
  background: var(--color-accent);
  transform: translateY(-1px);
}

.fullscreen-button svg,
.vr-button svg {
  display: block;
  width: 19px;
  height: 19px;
  stroke: currentColor;
}

.client-logo {
  position: absolute;
  bottom: 22px;
  right: auto;
  left: 18px;
  z-index: 38;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  pointer-events: none;
}

.client-logo img {
  display: block;
  width: auto;
  max-width: 160px;
  max-height: 42px;
}

/* Live texture controls */

.live-material-upload {
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--color-soft);
}

.live-upload-btn {
  width: 100%;
  min-height: 48px;
  border: 1px dashed var(--color-faint);
  border-radius: 12px;
  color: var(--color-ink);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 800;
}

.live-upload-loading,
.live-upload-error {
  display: flex;
  min-height: 100px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-muted);
  font-size: 0.72rem;
  text-align: center;
}

.live-upload-spinner {
  width: 32px;
  height: 32px;
  border-color: var(--color-line-strong);
  border-top-color: var(--color-ink);
}

.live-upload-sliders {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.live-slider-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px 10px;
  font-size: 0.68rem;
  font-weight: 700;
}

.live-slider-row input {
  width: 100%;
  grid-column: 1 / -1;
  accent-color: var(--color-ink);
}

.live-slider-value {
  color: var(--color-muted);
}

.live-upload-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-top: 16px;
}

.live-upload-actions button,
.live-upload-error button {
  min-height: 40px;
  padding: 8px;
  border: 0;
  border-radius: 11px;
  color: var(--color-ink);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 800;
}

.live-upload-actions .live-btn-apply {
  color: #fff;
  background: var(--color-accent);
}

.live-upload-actions .live-btn-discard {
  color: var(--color-danger);
  background: #f7e9e5;
}

.upload-monitor {
  display: none;
  margin: 0 16px 10px;
  padding: 10px;
  border-radius: 12px;
  background: var(--color-soft);
}

.upload-monitor.active {
  display: block;
}

.upload-monitor-message {
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 700;
}

.upload-monitor-progress {
  display: none;
  width: 100%;
  height: 5px;
  margin-top: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--color-line);
}

.upload-monitor-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--color-accent);
  transition: width 200ms ease;
}

.vr-canvas {
  position: absolute;
  inset: 0;
  z-index: 19;
  display: none;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.vr-canvas.active {
  display: block;
  pointer-events: auto;
}

.vr-hidden {
  display: none !important;
}

/* Tablet */

@media (max-width: 1024px) {
  .ui-container {
    width: min(340px, 36vw);
  }

  .render-modal-body-grid {
    grid-template-columns: 1fr 1fr;
  }

  .render-image-col,
  .specifications-container {
    grid-column: 1 / -1;
  }

  .specifications-container {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Mobile */

@media (max-width: 720px) {
  .ui-container {
    top: auto;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 8px;
    width: auto;
    height: auto;
    max-height: min(300px, max(220px, 40dvh));
    overflow: visible;
    border-radius: 22px;
    backdrop-filter: none;
  }

  .sidebar-header {
    min-height: 48px;
    padding: 0 14px;
  }

  .sidebar-header p {
    display: none;
  }

  .sidebar-actions {
    grid-template-columns: 0.8fr 1.2fr;
    padding: 9px 10px 7px;
  }

  .scene-toggle-btn,
  #save-2render {
    min-height: 42px;
    padding: 8px 11px;
  }

  .menu-heading {
    display: none;
  }

  #menu-elements {
    display: flex;
    gap: 8px;
    padding: 3px 10px 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
  }

  .menu-item {
    width: var(--mobile-menu-tile-size);
    min-width: var(--mobile-menu-tile-size);
    min-height: 0;
    margin: 0;
    padding: 7px;
    scroll-snap-align: start;
  }

  .menu-item:hover {
    transform: none;
  }

  .submenu-panel {
    position: fixed;
    top: auto;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 8px;
    height: min(52dvh, 470px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 22px;
    box-shadow: var(--panel-shadow);
    transform: translateY(110%);
  }

  .submenu-panel.active {
    transform: translateY(0);
  }

  .submenu-header {
    min-height: 54px;
    padding: 0 12px;
  }

  .submenu-body {
    padding: 10px;
  }

  .submenu-main-preview img {
    height: 100%;
  }

  .tile-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    padding: 10px 0;
  }

  .tile-label {
    font-size: 0.6rem;
  }

  .client-logo {
    bottom: 205px;
    right: 10px;
    left: auto;
  }

  .client-logo img {
    max-width: 120px;
    max-height: 34px;
  }

  .fullscreen-button,
  .vr-button {
    right: 10px;
    left: auto;
    width: 42px;
    height: 42px;
  }

  .fullscreen-button {
    top: 10px;
  }

  .vr-button {
    top: 60px;
  }

  .scene-selector,
  .render-modal,
  .welcome-scene-modal {
    align-items: flex-end;
    padding: 8px;
  }

  .scene-selector {
    top: auto;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 8px;
    width: auto;
    height: min(62dvh, 520px);
    border-radius: 22px;
    transform: none;
  }

  .scene-selector-header,
  .render-modal-header {
    min-height: 58px;
    padding: 0 14px;
  }

  .scene-buttons {
    grid-template-columns: repeat(auto-fill, minmax(96px, 140px));
    padding: 12px;
  }

  .scene-button {
    min-height: 0;
    padding: 6px;
  }

  .welcome-scene-modal__panel,
  .render-modal-content {
    width: 100%;
    max-height: calc(100dvh - 16px);
    border-radius: 22px;
  }

  .welcome-scene-modal__body {
    padding: 20px 16px;
  }

  .welcome-scene-modal__title {
    font-size: clamp(2rem, 11vw, 3.1rem);
  }

  .welcome-scene-modal__hint-grid {
    grid-template-columns: 1fr;
    gap: 7px;
    margin-top: 18px;
  }

  .welcome-scene-modal__hint-grid div {
    min-height: 0;
    padding: 12px;
  }

  .welcome-scene-modal__hint-grid strong {
    display: inline;
    margin: 0 6px 0 0;
  }

  .welcome-scene-modal__scenes {
    grid-template-columns: repeat(auto-fill, minmax(110px, 150px));
  }

  .welcome-scene-modal__footer {
    min-height: 68px;
    padding: 10px 14px;
  }

  .welcome-scene-modal__start {
    width: 100%;
  }

  .render-modal-body-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 12px;
  }

  .render-image-col,
  .specifications-container {
    grid-column: auto;
  }

  .specifications-container {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .spec-item {
    min-width: 84px;
  }
}

@media (max-width: 390px) {
  .scene-toggle-icon,
  .button-arrow {
    display: none;
  }

}

@media (max-width: 720px) and (max-height: 480px) {
  .sidebar-header {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}