/* ZRK Virtual Design Studio — Rooms White Theme */

:root {
  --color-vds-cream-rgb: 245 240 232;
  --color-vds-gold-rgb: 168 140 96;
  --color-vds-dark-rgb: 45 42 38;
  --color-vds-green-rgb: 45 90 74;
  --color-vds-cream: rgb(var(--color-vds-cream-rgb));
  --color-vds-gold: rgb(var(--color-vds-gold-rgb));
  --color-vds-dark: rgb(var(--color-vds-dark-rgb));
  --color-vds-green: rgb(var(--color-vds-green-rgb));
  --sidebar-width: 300px;
  --header-height: 64px;
  --footer-height: 36px;
  --radius: 3px;
  --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  font-family: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
  background: var(--color-vds-cream);
  color: var(--color-vds-dark);
  -webkit-font-smoothing: antialiased;
}

.vds-scrollbar-hide {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.vds-scrollbar-hide::-webkit-scrollbar { display: none; }

/* Loader */
.vds-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(var(--color-vds-cream-rgb) / 0.95);
  backdrop-filter: blur(8px);
  transition: opacity 0.4s, visibility 0.4s;
}
.vds-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.vds-loader-inner { text-align: center; }
.vds-loader-title {
  margin: 1rem 0 0.25rem;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.vds-loader-sub {
  margin: 0;
  font-size: 0.85rem;
  color: rgb(var(--color-vds-dark-rgb) / 0.45);
}
.vds-loader-spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  border: 2px solid rgb(var(--color-vds-gold-rgb) / 0.2);
  border-top-color: var(--color-vds-gold);
  border-radius: 50%;
  animation: vds-spin 0.8s linear infinite;
}
.vds-loader-spinner-sm { width: 24px; height: 24px; }
@keyframes vds-spin { to { transform: rotate(360deg); } }

/* App shell */
.vds-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.vds-header {
  flex-shrink: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgb(var(--color-vds-gold-rgb) / 0.15);
  background: rgb(var(--color-vds-cream-rgb) / 0.9);
  backdrop-filter: blur(12px);
}
.vds-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 1.25rem;
}
.vds-logo {
  display: flex;
  align-items: center;
  line-height: 0;
  text-decoration: none;
}
.vds-logo img {
  display: block;
  height: 48px;
  width: auto;
  max-height: calc(var(--header-height) - 16px);
  background: transparent;
  object-fit: contain;
}
.vds-btn-guide {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgb(var(--color-vds-dark-rgb) / 0.7);
  background: rgb(var(--color-vds-cream-rgb) / 0.8);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.25);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}
.vds-btn-guide:hover {
  border-color: var(--color-vds-gold);
  color: var(--color-vds-dark);
}

/* Main layout */
.vds-main {
  flex: 1;
  min-height: 0;
  padding: 0.75rem;
}
.vds-layout {
  display: flex;
  gap: 0.75rem;
  height: 100%;
}

/* Sidebars */
.vds-sidebar {
  position: relative;
  flex-shrink: 0;
  width: var(--sidebar-width);
  transition: width 700ms cubic-bezier(0.4, 0, 0.2, 1);
}
.vds-sidebar.collapsed { width: 0; }
.vds-sidebar.collapsed .vds-panel { opacity: 0; pointer-events: none; }

.vds-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: rgb(var(--color-vds-cream-rgb) / 0.72);
  backdrop-filter: blur(32px);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.22);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px -12px rgb(var(--color-vds-dark-rgb) / 0.08),
              0 0 0 1px rgb(var(--color-vds-gold-rgb) / 0.05);
  transition: opacity 300ms;
}

.vds-panel-header {
  flex-shrink: 0;
  padding: 1.25rem 1.25rem 1rem;
  background: rgb(var(--color-vds-cream-rgb) / 0.85);
  border-bottom: 1px solid rgb(var(--color-vds-gold-rgb) / 0.12);
}
.vds-panel-header-material {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.vds-panel-title-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.vds-panel-title-row i {
  font-size: 1rem;
  color: rgb(var(--color-vds-gold-rgb) / 0.7);
}
.vds-section-heading {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(var(--color-vds-dark-rgb) / 0.55);
}
.vds-section-sub {
  margin: 0.35rem 0 0 1.6rem;
  font-size: 0.75rem;
  color: rgb(var(--color-vds-dark-rgb) / 0.35);
  letter-spacing: 0.04em;
}

.vds-panel-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1rem;
}

.vds-collapse-btn {
  position: absolute;
  top: 50%;
  right: -14px;
  transform: translateY(-50%);
  z-index: 10;
  width: 28px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(var(--color-vds-cream-rgb) / 0.9);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.25);
  border-radius: var(--radius);
  color: rgb(var(--color-vds-dark-rgb) / 0.5);
  cursor: pointer;
  transition: var(--transition);
}
.vds-collapse-right { right: auto; left: -14px; }
.vds-collapse-btn:hover { color: var(--color-vds-gold); border-color: var(--color-vds-gold); }

/* Room cards */
.vds-room-list { display: flex; flex-direction: column; gap: 0.75rem; }

.vds-room-card {
  position: relative;
  width: 100%;
  padding: 0;
  text-align: left;
  background: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  outline: 2px solid transparent;
  outline-offset: 3px;
  transition: var(--transition);
}
.vds-room-card:hover { transform: translateY(-2px); }
.vds-room-card.selected {
  outline-color: var(--color-vds-gold);
  box-shadow: 0 0 24px rgb(var(--color-vds-gold-rgb) / 0.18);
}
.vds-room-card.selected::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 2px;
  background: var(--color-vds-gold);
  box-shadow: 0 1px 8px rgb(var(--color-vds-gold-rgb) / 0.4);
  z-index: 2;
}

.vds-room-thumb {
  position: relative;
  height: 160px;
  overflow: hidden;
  border-radius: var(--radius);
}
.vds-room-thumb > img:not(.vds-room-ktc-mark) {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms, opacity 500ms;
}
.vds-room-card:hover .vds-room-thumb > img:not(.vds-room-ktc-mark) { transform: scale(1.06); }
.vds-room-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgb(var(--color-vds-dark-rgb) / 0.78) 0%, rgb(var(--color-vds-dark-rgb) / 0.15) 45%, transparent 75%);
  pointer-events: none;
  z-index: 1;
}
/* Softly hide third-party mark in room thumbs without a dark plate */
.vds-room-zrk-cover {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 36%;
  height: 20%;
  z-index: 2;
  pointer-events: none;
  background: transparent;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.vds-room-ktc-mark {
  position: absolute;
  right: 8px;
  bottom: 36px;
  width: auto;
  height: 22px;
  max-width: 42%;
  object-fit: contain;
  z-index: 3;
  pointer-events: none;
  opacity: 0.95;
  filter: drop-shadow(0 1px 2px rgb(0 0 0 / 0.35));
}
.vds-room-index {
  position: absolute;
  top: 0.75rem;
  left: 0.9rem;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgb(255 255 255 / 0.4);
  z-index: 2;
}
.vds-room-name {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 0.9rem 1rem;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: #fff;
  text-shadow: 0 1px 8px rgb(0 0 0 / 0.25);
  z-index: 2;
}

/* Preview */
.vds-preview {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: rgb(var(--color-vds-cream-rgb) / 0.5);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.15);
  border-radius: var(--radius);
  overflow: hidden;
}
.vds-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgb(var(--color-vds-gold-rgb) / 0.1);
}
.vds-preview-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.vds-room-badge {
  padding: 0.35rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-vds-green);
  background: rgb(var(--color-vds-green-rgb) / 0.1);
  border-radius: 20px;
}
.vds-btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #fff;
  background: var(--color-vds-green);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}
.vds-btn-download:hover { filter: brightness(1.08); }
.vds-btn-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(var(--color-vds-cream-rgb) / 0.8);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.2);
  border-radius: var(--radius);
  color: rgb(var(--color-vds-dark-rgb) / 0.6);
  cursor: pointer;
  transition: var(--transition);
}
.vds-btn-icon:hover { border-color: var(--color-vds-gold); color: var(--color-vds-dark); }

.vds-preview-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  overflow: hidden;
}
.vds-canvas-wrap {
  position: relative;
  flex: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}
#design-canvas {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}
#preview-fallback,
.vds-preview-composite .vds-preview-img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
  object-position: center;
}
.vds-preview-composite {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  line-height: 0;
}
#preview-fallback {
  position: absolute;
  inset: 0;
}
.vds-preview-watermark {
  position: absolute;
  right: 5.5%;
  bottom: 6.5%;
  z-index: 4;
  pointer-events: none;
  line-height: 0;
  background: transparent !important;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  padding: 0;
}
.vds-preview-watermark img {
  display: block;
  height: clamp(52px, 9vh, 110px);
  width: auto;
  opacity: 0.96;
  background: transparent;
  filter: drop-shadow(0 1px 2px rgb(0 0 0 / 0.28));
}
.vds-wall-overlay {
  position: absolute;
  inset: 0;
  background-size: 180px 180px;
  background-repeat: repeat;
  mix-blend-mode: multiply;
  opacity: 0.9;
  pointer-events: none;
  transition: opacity 400ms ease;
}
.vds-preview-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgb(var(--color-vds-cream-rgb) / 0.6);
  backdrop-filter: blur(4px);
  font-size: 0.85rem;
  color: rgb(var(--color-vds-dark-rgb) / 0.5);
}

.vds-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(255 255 255 / 0.85);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.15);
  border-radius: 50%;
  color: rgb(var(--color-vds-dark-rgb) / 0.4);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgb(var(--color-vds-dark-rgb) / 0.08);
}
.vds-nav-prev { left: 0.5rem; }
.vds-nav-next { right: 0.5rem; }
.vds-nav-arrow:hover { color: var(--color-vds-dark); border-color: var(--color-vds-gold); }

.vds-wall-selector {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
}
.vds-wall-pills {
  display: flex;
  gap: 0.25rem;
  padding: 0.35rem;
  background: rgb(var(--color-vds-cream-rgb) / 0.85);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.2);
  border-radius: 999px;
  box-shadow: 0 4px 16px rgb(var(--color-vds-dark-rgb) / 0.1);
}
.vds-wall-pill {
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgb(var(--color-vds-dark-rgb) / 0.55);
  background: transparent;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.vds-wall-pill:hover { color: var(--color-vds-dark); }
.vds-wall-pill.active {
  color: #fff;
  background: var(--color-vds-green);
}

/* Material grid */
.vds-btn-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: rgb(var(--color-vds-dark-rgb) / 0.6);
  background: transparent;
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}
.vds-btn-filter:hover, .vds-btn-filter.active {
  border-color: var(--color-vds-gold);
  color: var(--color-vds-dark);
}

.vds-filter-panel {
  padding: 0 1rem 1rem;
  border-bottom: 1px solid rgb(var(--color-vds-gold-rgb) / 0.1);
}
.vds-filter-group { margin-bottom: 0.75rem; }
.vds-filter-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgb(var(--color-vds-dark-rgb) / 0.4);
}
.vds-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.vds-filter-chip {
  padding: 0.3rem 0.65rem;
  font-size: 0.68rem;
  color: rgb(var(--color-vds-dark-rgb) / 0.55);
  background: rgb(var(--color-vds-cream-rgb) / 0.6);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.15);
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
}
.vds-filter-chip:hover { border-color: rgb(var(--color-vds-gold-rgb) / 0.4); }
.vds-filter-chip.active {
  color: #fff;
  background: var(--color-vds-gold);
  border-color: var(--color-vds-gold);
}
.vds-btn-clear-filters {
  width: 100%;
  padding: 0.4rem;
  font-size: 0.72rem;
  color: rgb(var(--color-vds-dark-rgb) / 0.5);
  background: none;
  border: 1px dashed rgb(var(--color-vds-gold-rgb) / 0.25);
  border-radius: var(--radius);
  cursor: pointer;
}
.vds-btn-clear-filters:hover { border-color: var(--color-vds-gold); color: var(--color-vds-dark); }

.vds-material-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}
.vds-material-item {
  position: relative;
  padding: 0;
  background: none;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}
.vds-material-item:hover {
  border-color: rgb(var(--color-vds-gold-rgb) / 0.4);
  transform: scale(1.02);
}
.vds-material-item.selected {
  border-color: var(--color-vds-gold);
  box-shadow: 0 0 16px rgb(var(--color-vds-gold-rgb) / 0.2);
}
.vds-material-thumb {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: rgb(var(--color-vds-gold-rgb) / 0.08);
}
.vds-material-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms, opacity 500ms;
}
.vds-material-item:hover .vds-material-thumb img { transform: scale(1.05); }
.vds-material-code {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  font-weight: 500;
  text-align: center;
  color: rgb(var(--color-vds-dark-rgb) / 0.55);
  letter-spacing: 0.02em;
}

.vds-show-all {
  width: 100%;
  margin-top: 0.75rem;
  padding: 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-vds-green);
  background: rgb(var(--color-vds-green-rgb) / 0.08);
  border: 1px solid rgb(var(--color-vds-green-rgb) / 0.2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}
.vds-show-all:hover { background: rgb(var(--color-vds-green-rgb) / 0.14); }

.vds-empty-state {
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgb(var(--color-vds-dark-rgb) / 0.4);
}

/* Footer */
.vds-footer {
  flex-shrink: 0;
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgb(var(--color-vds-gold-rgb) / 0.1);
}
.vds-footer a {
  font-size: 0.72rem;
  color: rgb(var(--color-vds-dark-rgb) / 0.35);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.vds-footer a:hover { color: var(--color-vds-gold); }
.vds-footer-brand {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: rgb(var(--color-vds-dark-rgb) / 0.45);
}

/* Modal */
.vds-modal {
  background: rgb(var(--color-vds-cream-rgb) / 0.95);
  border: 1px solid rgb(var(--color-vds-gold-rgb) / 0.2);
  border-radius: var(--radius);
}
.vds-guide-list {
  padding-left: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgb(var(--color-vds-dark-rgb) / 0.75);
}

/* Fullscreen & expanded preview */
.vds-preview-stage:fullscreen {
  background: #111;
  padding: 0;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}
.vds-preview-stage:fullscreen .vds-canvas-wrap {
  width: 100%;
  height: 100%;
  min-height: 0;
}
.vds-preview-stage:fullscreen #preview-fallback,
.vds-preview-stage:fullscreen #preview-base {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
}
.vds-preview-stage:fullscreen .vds-preview-watermark img {
  height: clamp(64px, 10vh, 130px);
}
.vds-preview-stage:fullscreen .vds-nav-arrow {
  background: rgba(255, 255, 255, 0.92);
}

/* Responsive */
@media (max-width: 1199.98px) {
  :root { --sidebar-width: 260px; }
}
@media (max-width: 991.98px) {
  html, body { overflow: auto; }
  .vds-app { height: auto; min-height: 100vh; }
  .vds-main { height: auto; }
  .vds-layout { flex-direction: column; height: auto; }
  .vds-sidebar { width: 100%; }
  .vds-sidebar.collapsed { width: 100%; height: 48px; overflow: hidden; }
  .vds-preview { min-height: 55vh; }
  .vds-collapse-btn { display: none; }
  .vds-material-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 575.98px) {
  .vds-material-grid { grid-template-columns: repeat(2, 1fr); }
  .vds-preview-header { flex-direction: column; align-items: flex-start; }
}