:root{
  --bg: rgba(255,255,255,.14);
  --bg2: rgba(255,255,255,.18);
  --stroke: rgba(255,255,255,.22);
  --stroke2: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.65);
  --accent: rgba(92,163,255,.95);
  --glass-tint: rgba(115, 168, 255, .14);

  --panel-rail-width: 78px;
  --panel-main-width: 168px;
  --panel-width: calc(var(--panel-rail-width) + var(--panel-main-width));
  --ui-edge: 28px;
  --ui-edge-safe-bottom: max(28px, calc(env(safe-area-inset-bottom, 0px) + 16px));
  --ui-edge-safe-top: max(20px, calc(env(safe-area-inset-top, 0px) + 10px));
  --ui-edge-safe-inline: max(28px, calc(env(safe-area-inset-inline-end, 0px) + 16px));
  --radius: 22px;
  --shadow: 0 18px 60px rgba(0,0,0,.26);
  --brand-black: #373435;
  --brand-gray: #848688;
  --brand-red: #dc3337;
  --app-font-family: "Vazirmatn", "IRANSansX FaNum", Tahoma, "Segoe UI", sans-serif;
  --app-font-numeric: "IRANSansX FaNum", "Vazirmatn", Tahoma, "Segoe UI", sans-serif;
  --user-font-family: var(--app-font-family);
}

html, body{
  height:100%;
  margin:0;
  background:#000;
  font-family: var(--user-font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea,
.ui-root,
.scene-title,
.pill-btn,
.icon-btn,
.panel,
.material-name,
.material-code,
.empty-title,
.empty-sub,
.hint-box,
.modal-card,
.contact-popup {
  font-family: var(--user-font-family);
}

.material-code,
.font-num {
  font-family: var(--app-font-numeric);
  font-variant-numeric: tabular-nums;
}

#pano{
  position:fixed;
  inset:0;
}

.loading-screen{
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  opacity: 1;
  visibility: visible;
  transition: opacity .7s ease, visibility .7s ease;
}

.loading-screen.fade-out{
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-screen.hidden{
  display: none;
}

.loading-screen-inner{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.loading-logo{
  max-width: min(64vw, 260px);
  max-height: 150px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.loading-logo.hidden{
  display: none;
}

.loader, .loader:before, .loader:after {
  border-radius: 50%;
  width: 2.5em;
  height: 2.5em;
  animation-fill-mode: both;
  animation: bblFadInOut 1.8s infinite ease-in-out;
}
.loader {
  color: #fff;
  font-size: 7px;
  display: inline-block;
  position: relative;
  text-indent: -9999em;
  transform: translateZ(0);
  animation-delay: -0.16s;
}
.loader:before,
.loader:after {
  content: "";
  position: absolute;
  top: 0;
}
.loader:before {
  left: -3.5em;
  animation-delay: -0.32s;
}
.loader:after {
  left: 3.5em;
}

@keyframes bblFadInOut {
  0%, 80%, 100% { box-shadow: 0 2.5em 0 -1.3em; }
  40% { box-shadow: 0 2.5em 0 0; }
}

.ui-root{
  position:fixed;
  inset:0;
  pointer-events:none;
  color:var(--text);
}

.ui-root.pre-init-hidden{
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.ui-root *{
  box-sizing:border-box;
}

.icon-btn, .pill-btn{
  pointer-events:auto;
  border:1px solid var(--stroke);
  background: var(--bg);
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255,255,255,.2), rgba(255,255,255,.08)),
    var(--glass-tint);
  backdrop-filter: blur(18px) saturate(155%);
  -webkit-backdrop-filter: blur(18px) saturate(155%);
  border-radius: 16px;
  padding:10px 12px;
  font-size:14px;
  line-height:1;
  cursor:pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22), 0 10px 24px rgba(6,12,24,.22);
}

.icon-btn:hover, .pill-btn:hover{
  border-color: rgba(255,255,255,.22);
}

.icon-btn{
  width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.pill-btn{
  height:42px;
  padding:10px 14px;
  display:flex;
  align-items:center;
  gap:10px;
}

.topbar{
  position:fixed;
  top: var(--ui-edge-safe-top);
  display:flex;
  justify-content:flex-end;
  align-items:center;
  gap:10px;
  pointer-events:none;
  z-index:20;
  transition: none;
}

/* Free side = opposite materials panel (panel is inline-start) */
html[dir="rtl"] .topbar{
  left: var(--ui-edge-safe-inline);
  right: auto;
}
html[dir="ltr"] .topbar{
  right: var(--ui-edge-safe-inline);
  left: auto;
}

/* Edge tab to reopen materials panel when closed — on panel edge */
.panel-reopen-btn{
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 44px;
  min-height: 96px;
  padding: 14px 10px;
  border: 1px solid rgba(0,0,0,.08);
  background: #fff;
  color: #222;
  cursor: pointer;
  appearance: none;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

html[dir="ltr"] .panel-reopen-btn{
  left: 0;
  right: auto;
  border-left: none;
  border-radius: 0 14px 14px 0;
  box-shadow: 4px 0 18px rgba(0,0,0,.12);
}

html[dir="rtl"] .panel-reopen-btn{
  right: 0;
  left: auto;
  border-right: none;
  border-radius: 14px 0 0 14px;
  box-shadow: -4px 0 18px rgba(0,0,0,.12);
}

body:not(.panel-open) .panel-reopen-btn:not([hidden]){
  display: inline-flex;
}

.panel-reopen-btn:hover{
  background: #f7f7f7;
}

html[dir="ltr"] .panel-reopen-btn:hover{
  box-shadow: 6px 0 22px rgba(0,0,0,.16);
}

html[dir="rtl"] .panel-reopen-btn:hover{
  box-shadow: -6px 0 22px rgba(0,0,0,.16);
}

.panel-reopen-btn:active{
  transform: translateY(-50%) scale(0.98);
}

.panel-reopen-ico{
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  writing-mode: horizontal-tb;
}

.panel-reopen-label{
  letter-spacing: 0.04em;
}

.topbar-cluster{
  display:flex;
  align-items:center;
  gap:10px;
  pointer-events:none;
}

.topbar-cluster > *{
  pointer-events:auto;
}

#btn-scenes{
  display:none;
}

@media (min-width: 901px){
  #btn-panel-toggle{
    display:none;
  }

  #btn-lang-side{
    display:none !important;
  }
}

.scene-title{
  max-width:min(42vw, 280px);
  padding:10px 16px;
  border:1px solid var(--stroke2);
  background:
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.08)),
    var(--glass-tint);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-radius: 999px;
  font-size:13px;
  font-weight:600;
  color: var(--text);
  overflow:hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  pointer-events:auto;
  cursor:pointer;
  font-family:var(--user-font-family);
}

button.scene-title{
  appearance:none;
  text-align:start;
}

.lang-dropdown{
  position:relative;
  z-index:25;
}

.lang-dropdown-trigger{
  appearance:none;
  height:42px;
  min-width:118px;
  padding:0 12px 0 14px;
  border-radius:999px;
  border:1px solid var(--stroke2);
  background:
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.08)),
    var(--glass-tint);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  color: var(--text);
  display:inline-flex;
  align-items:center;
  gap:8px;
  cursor:pointer;
  font:inherit;
  font-size:13px;
  font-weight:600;
  font-family:var(--user-font-family);
  transition: border-color .18s ease, background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.lang-dropdown-trigger:hover{
  border-color: rgba(0,0,0,.16);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,0,0,.1);
}

.lang-dropdown.is-open .lang-dropdown-trigger{
  border-color: rgba(0,0,0,.18);
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}

.lang-dropdown-code{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:28px;
  height:22px;
  padding:0 6px;
  border-radius:999px;
  background: rgba(0,0,0,.06);
  font-size:10px;
  font-weight:800;
  letter-spacing:.04em;
  line-height:1;
}

.lang-dropdown-current{
  flex:1 1 auto;
  text-align:start;
  white-space:nowrap;
}

.lang-dropdown-caret{
  width:16px;
  height:16px;
  flex:0 0 auto;
  opacity:.7;
  transition: transform .2s ease;
}

.lang-dropdown.is-open .lang-dropdown-caret{
  transform: rotate(180deg);
}

.lang-dropdown-menu{
  position:absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  min-width:100%;
  width:max-content;
  padding:6px;
  border-radius:16px;
  border:1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 16px 36px rgba(0,0,0,.16);
  display:flex;
  flex-direction:column;
  gap:4px;
  z-index:30;
}

.lang-dropdown-menu[hidden]{
  display:none !important;
}

.lang-option{
  appearance:none;
  border:none;
  background: transparent;
  color: #222;
  border-radius:12px;
  min-height:40px;
  padding:8px 10px;
  display:flex;
  align-items:center;
  gap:10px;
  cursor:pointer;
  font:inherit;
  font-size:13px;
  font-weight:600;
  text-align:start;
  transition: background .15s ease, color .15s ease;
}

.lang-option:hover{
  background: rgba(0,0,0,.05);
}

.lang-option[aria-selected="true"]{
  background: #111;
  color: #fff;
}

.lang-option-code{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:28px;
  height:22px;
  padding:0 6px;
  border-radius:999px;
  background: rgba(0,0,0,.06);
  font-size:10px;
  font-weight:800;
  letter-spacing:.04em;
}

.lang-option[aria-selected="true"] .lang-option-code{
  background: rgba(255,255,255,.16);
  color:#fff;
}

.lang-option-name{
  flex:1 1 auto;
}

.lang-option-check{
  opacity:0;
  font-size:12px;
  font-weight:700;
}

.lang-option[aria-selected="true"] .lang-option-check{
  opacity:1;
}

.panel{
  position:fixed;
  inset-block: 0;
  inset-inline-start: 0;
  width:min(var(--panel-width), 42vw);
  max-width: 280px;
  display:flex;
  flex-direction:row;
  align-items:stretch;
  background: #ffffff;
  color: #373435;
  border: none;
  border-inline-end: 1px solid #efefef;
  border-radius: 0;
  box-shadow: 6px 0 20px rgba(0,0,0,.08);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events:auto;
  overflow:hidden;
  transform: translateX(0);
  transition: transform .32s cubic-bezier(.22,.61,.36,1), opacity .22s ease;
  z-index:18;
}

html[dir="rtl"] .panel{
  box-shadow: -8px 0 28px rgba(0,0,0,.12);
}

html[dir="ltr"] .panel.closed{
  transform: translateX(calc(-100% - 8px));
  opacity:.96;
  pointer-events: none;
}

html[dir="rtl"] .panel.closed{
  transform: translateX(calc(100% + 8px));
  opacity:.96;
  pointer-events: none;
}

.panel-handle{
  display:none;
}

.panel-rail{
  width: var(--panel-rail-width);
  flex: 0 0 var(--panel-rail-width);
  background: linear-gradient(180deg, #f7f7f8 0%, #f3f3f4 100%);
  border-inline-end: 1px solid rgba(0,0,0,.06);
  overflow:auto;
  overscroll-behavior:contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,.18) transparent;
}

.panel-rail-list,
.panel-tabs{
  display:flex;
  flex-direction:column;
  gap:0;
  padding:6px 0;
  border:none;
}

.panel-tabs.context-mode{
  display:flex;
}

.tab{
  pointer-events:auto;
  appearance:none;
  border:none;
  border-bottom:1px solid rgba(0,0,0,.05);
  border-radius:0;
  background: transparent;
  color: #6a6a6a;
  padding:13px 8px;
  font-size:11px;
  font-weight:600;
  line-height:1.35;
  text-align:center;
  cursor:pointer;
  width:100%;
  transition: color .16s ease, background .16s ease, box-shadow .16s ease;
}

.tab:hover{
  background: rgba(255,255,255,.72);
  color: #1a1a1a;
}

.tab.active{
  background: #fff;
  color: #111;
  font-weight:800;
  box-shadow: inset 2.5px 0 0 #111;
}

html[dir="rtl"] .tab.active{
  box-shadow: inset -2.5px 0 0 #111;
}

.tab.soon{
  opacity:.45;
}

.panel-main{
  width: var(--panel-main-width);
  flex: 1 1 auto;
  min-width:0;
  display:flex;
  flex-direction:column;
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfb 100%);
}

.panel-stack{
  width: var(--panel-main-width);
  flex: 1 1 auto;
  min-width:0;
  min-height:0;
  display:flex;
  flex-direction:column;
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfb 100%);
}

.panel-stack .panel-main{
  width:auto;
  flex: 1 1 auto;
  background: transparent;
}

.panel-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:12px 12px 10px;
  border-bottom:1px solid rgba(0,0,0,.06);
  min-height:46px;
  background: rgba(255,255,255,.92);
}

.panel-title{
  font-weight:700;
  font-size:12px;
  letter-spacing:.01em;
  color:#1c1c1c;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.panel-header .icon-btn{
  width:28px;
  height:28px;
  padding:0;
  border-radius:999px;
  font-size:14px;
}

.panel-body{
  display:flex;
  flex-direction:column;
  height: calc(100% - 54px);
}

.panel-content{
  padding:10px 10px 14px;
  overflow:auto;
  flex:1;
  overscroll-behavior:contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,.18) transparent;
}

/* Slim translucent scrollbars (panel areas) */
.panel-content::-webkit-scrollbar,
.panel-rail::-webkit-scrollbar,
.panel-nav::-webkit-scrollbar{
  width:5px;
  height:5px;
}

.panel-content::-webkit-scrollbar-track,
.panel-rail::-webkit-scrollbar-track,
.panel-nav::-webkit-scrollbar-track{
  background: transparent;
  margin: 8px 0;
}

.panel-content::-webkit-scrollbar-thumb,
.panel-rail::-webkit-scrollbar-thumb,
.panel-nav::-webkit-scrollbar-thumb{
  background: rgba(30,30,30,.18);
  border-radius:999px;
  border: 1px solid transparent;
  background-clip: padding-box;
  transition: background .2s ease;
}

.panel-content::-webkit-scrollbar-thumb:hover,
.panel-rail::-webkit-scrollbar-thumb:hover,
.panel-nav::-webkit-scrollbar-thumb:hover{
  background: rgba(30,30,30,.34);
}

.panel-content::-webkit-scrollbar-corner,
.panel-rail::-webkit-scrollbar-corner,
.panel-nav::-webkit-scrollbar-corner{
  background: transparent;
}

.materials-grid{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.material-card{
  border:1px solid transparent;
  background: transparent;
  border-radius: 12px;
  overflow:hidden;
  cursor:pointer;
  pointer-events:auto;
  transition: background .16s ease, border-color .16s ease, box-shadow .16s ease, transform .16s ease;
  padding:6px;
}

.material-card:hover{
  transform: translateY(-1px);
  background: rgba(0,0,0,.025);
  border-color: rgba(0,0,0,.06);
  box-shadow: 0 8px 18px rgba(0,0,0,.05);
}

.material-card.selected{
  border-color: rgba(0,0,0,.88);
  background: #fff;
  box-shadow: 0 10px 22px rgba(0,0,0,.08);
}

.material-thumb{
  aspect-ratio: 16/10;
  background: #f0f0f0;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  border-radius:8px;
  position:relative;
}

.material-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.material-card.selected .material-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.55);
  pointer-events:none;
}

.material-meta{
  padding:8px 4px 2px;
}

.material-name{
  font-size:11px;
  font-weight:600;
  color:#2a2a2a;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.material-code{
  display:none;
}

.material-card--default .material-thumb{
  background:
    radial-gradient(120% 90% at 50% 12%, #ffffff 0%, #f5f5f6 58%, #ececee 100%);
  border:1.5px dashed rgba(0,0,0,.16);
  box-sizing:border-box;
}

.material-card--default .material-thumb-fallback{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  width:100%;
  height:100%;
  color:#3d3d3d;
  text-align:center;
  padding:10px;
}

.material-card--default .material-default-icon{
  width:38px;
  height:38px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  border:1px solid rgba(0,0,0,.08);
  box-shadow: 0 3px 10px rgba(0,0,0,.07);
  color:#222;
  transition: transform .16s ease, box-shadow .16s ease;
}

.material-card--default .material-default-icon svg{
  width:18px;
  height:18px;
}

.material-card--default .material-thumb-fallback span{
  font-size:10px;
  font-weight:700;
  letter-spacing:.01em;
  color:#555;
}

.material-card--default .material-default-hint{
  margin-top:2px;
  font-size:10px;
  font-weight:500;
  line-height:1.35;
  color:#8a8a8a;
  white-space:normal;
}

.material-card--default.selected .material-thumb{
  border-style:solid;
  border-color:rgba(0,0,0,.28);
  background:
    radial-gradient(120% 90% at 50% 12%, #ffffff 0%, #f7f7f8 55%, #efeff1 100%);
}

.material-card--default:hover .material-default-icon{
  transform: scale(1.04);
  box-shadow: 0 5px 14px rgba(0,0,0,.1);
}

.choice-section{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.choice-section .materials-grid{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.choice-section-title{
  font-size:10px;
  font-weight:700;
  color:#8a8a8a;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:4px 4px 0;
}

.category-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:12px 10px;
  border:1px solid transparent;
  border-radius:12px;
  background:transparent;
  cursor:pointer;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}

.category-card:hover{
  border-color: rgba(0,0,0,.06);
  background: rgba(0,0,0,.025);
  transform: translateY(-1px);
}

.category-card-name{
  font-size:12px;
  font-weight:600;
  color:#222;
}

.category-card-sub{
  font-size:10px;
  color:#8a8a8a;
  margin-top:2px;
}

.category-card-arrow{
  color:#b0b0b0;
  font-size:16px;
  flex-shrink:0;
}

.panel-level-back{
  appearance:none;
  border:none;
  background:transparent;
  color:#111;
  font-size:11px;
  font-weight:700;
  padding:4px 0 10px;
  cursor:pointer;
  text-align:start;
}

.empty-state{
  padding:14px 8px;
  border:1px dashed #e5e5e5;
  border-radius: 8px;
  text-align:center;
  color: #8a8a8a;
}

.empty-title{
  color: #333;
  font-weight:700;
  margin-bottom:6px;
  font-size:12px;
}

.actions{
  position:fixed;
  bottom: var(--ui-edge-safe-bottom);
  transform: none;
  display:flex;
  flex-direction:row;
  flex-wrap: nowrap;
  align-items:center;
  gap:14px;
  z-index:19;
  pointer-events:none;
  max-width: calc(100vw - 48px);
  transition: none;
}

/* Always free side, opposite panel — never jump with panel open/close */
html[dir="rtl"] .actions,
html[dir="rtl"] body.panel-open .actions{
  left: var(--ui-edge-safe-inline);
  right: auto;
  bottom: var(--ui-edge-safe-bottom);
}
html[dir="ltr"] .actions,
html[dir="ltr"] body.panel-open .actions{
  right: var(--ui-edge-safe-inline);
  left: auto;
  bottom: var(--ui-edge-safe-bottom);
}

.actions > *{
  pointer-events:auto;
  flex: 0 0 auto;
}

.actions.collapsed .side-btn-desktop:not(#actions-toggle),
.actions.collapsed .side-btn:not(#actions-toggle):not(.side-btn-desktop){
  /* desktop collapse keeps toggle */
}

.actions.collapsed .side-btn:not(#actions-toggle){
  display:none;
}

.side-btn{
  width:52px;
  height:52px;
  border-radius:999px;
  border:1.5px solid rgba(255,255,255,.92);
  background: rgba(18,18,20,.42);
  color: #fff;
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  box-shadow:
    0 2px 10px rgba(0,0,0,.28),
    inset 0 0 0 0.5px rgba(255,255,255,.12);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0;
  margin:0;
  cursor:pointer;
  appearance:none;
  font:inherit;
  -webkit-tap-highlight-color: transparent;
  transition: transform .18s ease, border-color .18s ease, color .18s ease, background .18s ease, box-shadow .18s ease;
}

.side-btn:hover{
  transform: translateY(-2px);
  border-color: #fff;
  background: rgba(18,18,20,.58);
  box-shadow:
    0 8px 22px rgba(0,0,0,.32),
    inset 0 0 0 0.5px rgba(255,255,255,.18);
}

.side-btn:active{
  transform: translateY(0);
  background: rgba(18,18,20,.68);
}

.side-btn-label{
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1;
  color:inherit;
  text-shadow: 0 1px 2px rgba(0,0,0,.35);
}

.side-btn-info{
  font-family: Georgia, "Times New Roman", "Noto Serif", serif;
  font-style: italic;
  font-size:22px;
  font-weight:500;
  line-height:1;
  color:inherit;
  transform: translateY(-0.5px);
  text-shadow: 0 1px 2px rgba(0,0,0,.35);
}

.side-btn-ico,
.side-btn-svg{
  width:24px;
  height:24px;
  display:block;
  flex:0 0 auto;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,.28));
}

.side-btn-svg--toggle{
  width:22px;
  height:22px;
  transition: transform .22s ease;
}

.actions.collapsed #actions-toggle .side-btn-svg--toggle{
  transform: rotate(180deg);
}

/* Keep tool icons high-contrast on both light/dark floors (AGT-style) */
body[data-ui-theme="flat"] .side-btn{
  background: rgba(18,18,20,.42);
  color: #fff;
  border:1.5px solid rgba(255,255,255,.92);
  box-shadow:
    0 2px 10px rgba(0,0,0,.28),
    inset 0 0 0 0.5px rgba(255,255,255,.12);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
}

body[data-ui-theme="flat"] .side-btn:hover{
  background: rgba(18,18,20,.58);
  border-color: #fff;
  color: #fff;
  box-shadow:
    0 8px 22px rgba(0,0,0,.32),
    inset 0 0 0 0.5px rgba(255,255,255,.18);
}

body.scene-picker-open .panel{
  opacity: 0;
  pointer-events: none;
}

body.scene-picker-open .actions{
  opacity: 0;
  pointer-events: none;
}

body.scene-picker-open .topbar-cluster{
  opacity: 0;
  pointer-events: none;
}

.scene-overlay{
  position:fixed;
  inset:0;
  background: rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  pointer-events:auto;
  z-index:30;
  backdrop-filter: blur(2.5px) saturate(1.05);
  -webkit-backdrop-filter: blur(2.5px) saturate(1.05);
}

.scene-overlay.hidden{
  display:none;
}

.scene-modal{
  width:min(360px, calc(100vw - 36px));
  max-height:min(86vh, 860px);
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  overflow:visible;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
}

.scene-modal-header{
  padding:0;
  border-bottom:none;
  text-align:center;
  display:flex;
  justify-content:center;
}

.scene-modal-title{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin:0;
  padding:8px 18px;
  border-radius:8px;
  background: rgba(245,245,245,.96);
  color:#1f1f1f;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.2;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
  text-shadow: none;
}

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

.scene-grid{
  width:100%;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
  overflow:auto;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}

.scene-grid::-webkit-scrollbar{
  display:none;
}

.scene-card{
  appearance:none;
  border:3px solid #111;
  background: #111;
  border-radius: 2px;
  overflow:hidden;
  cursor:pointer;
  padding:0;
  margin:0;
  width:100%;
  text-align:inherit;
  font:inherit;
  color:inherit;
  box-shadow: 0 10px 28px rgba(0,0,0,.28);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.scene-card:hover,
.scene-card:focus-visible{
  transform: translateY(-1px);
  border-color: #111;
  outline:none;
  box-shadow: 0 14px 32px rgba(0,0,0,.34);
}

.scene-card.active{
  border-color: #111;
  box-shadow: 0 0 0 2px rgba(255,255,255,.55), 0 14px 34px rgba(0,0,0,.36);
}

.scene-thumb{
  position:relative;
  aspect-ratio: 2.55 / 1;
  background: #1a1a1a;
  overflow:hidden;
}

.scene-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transform: scale(1.01);
  transition: transform .35s ease;
}

.scene-card:hover .scene-thumb img{
  transform: scale(1.04);
}

.scene-name{
  position:absolute;
  left:50%;
  top:10px;
  bottom:auto;
  transform: translateX(-50%);
  max-width: calc(100% - 28px);
  padding:6px 14px;
  border-radius:8px;
  background: rgba(245,245,245,.96);
  color: #1f1f1f;
  font-size:12px;
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.2;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  box-shadow: 0 4px 14px rgba(0,0,0,.16);
  pointer-events:none;
}

.scene-meta{
  display:none;
}

.toast{
  position:fixed;
  bottom:76px;
  left:50%;
  transform: translateX(-50%);
  background: rgba(15,23,42,.92);
  border:1px solid var(--stroke2);
  border-radius: 12px;
  padding:10px 12px;
  font-size:13px;
  color: var(--text);
  box-shadow: var(--shadow);
  opacity:0;
  pointer-events:none;
  transition: opacity .2s ease, transform .2s ease;
  z-index:40;
}

.toast.show{
  opacity:1;
  transform: translateX(-50%) translateY(-4px);
}

.hint-box{
  position:fixed;
  max-width:min(240px, calc(100vw - 36px));
  z-index:70;
  padding:11px 14px;
  border-radius:12px;
  background:rgba(28,28,30,.52);
  border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.96);
  font-size:13px;
  font-weight:500;
  line-height:1.75;
  letter-spacing:0;
  text-align:start;
  text-wrap:balance;
  word-break:normal;
  overflow-wrap:anywhere;
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  box-shadow:0 10px 28px rgba(0,0,0,.22);
  pointer-events:none;
  opacity:1;
  transform:translate(-50%, calc(-100% - 10px));
  transition:opacity .14s ease, transform .14s ease;
}

.hint-box.hint-below{
  transform:translate(-50%, 10px);
}

.hint-box.hidden{
  opacity:0;
  visibility:hidden;
}

.hint-box:after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-5px;
  width:10px;
  height:10px;
  background:rgba(36,36,38,.72);
  border-right:1px solid rgba(255,255,255,.12);
  border-bottom:1px solid rgba(255,255,255,.12);
  transform:translateX(-50%) rotate(45deg);
}

.hint-box.hint-below:after{
  top:-5px;
  bottom:auto;
  border-right:none;
  border-bottom:none;
  border-left:1px solid rgba(255,255,255,.12);
  border-top:1px solid rgba(255,255,255,.12);
}

.load-error{
  position:fixed;
  inset:0;
  z-index:95;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px;
  background:rgba(55,52,53,.50);
  pointer-events:auto;
}

.load-error.hidden{
  display:none;
}

.load-error-card{
  width:min(420px, calc(100vw - 28px));
  border:2px solid #848688;
  border-radius:22px;
  background:#ffffff;
  color:#373435;
  box-shadow:0 18px 46px rgba(55,52,53,.28);
  padding:24px 22px;
  text-align:center;
}

.load-error-title{
  font-size:20px;
  font-weight:800;
  margin-bottom:8px;
}

.load-error-text{
  color:#848688;
  font-size:14px;
  line-height:1.8;
}

.load-error-button{
  margin-top:18px;
  min-height:44px;
  border:0;
  border-radius:999px;
  background:#dc3337;
  color:#ffffff;
  font-weight:800;
  padding:8px 18px;
  cursor:pointer;
}

.load-error-button:hover{
  background:#373435;
}

.info-modal{
  position:fixed;
  inset:0;
  z-index:60;
  pointer-events:none;
}

.info-modal.hidden{
  display:none;
}

.info-dialog{
  position:absolute;
  top:86px;
  left:50%;
  width:min(460px, calc(100vw - 56px));
  max-height:min(62vh, 560px);
  overflow:auto;
  background:
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.08)),
    rgba(124,156,255,.14);
  border:1px solid var(--stroke2);
  border-radius:18px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(28px) saturate(170%);
  -webkit-backdrop-filter:blur(28px) saturate(170%);
  pointer-events:auto;
  transform:translateX(-50%);
}

.info-close{
  position:absolute;
  top:10px;
  left:10px;
  z-index:2;
}

.info-drag-handle{
  position:absolute;
  top:12px;
  right:12px;
  z-index:3;
  width:18px;
  height:18px;
  padding:0;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.55);
  background:#848688;
  box-shadow:0 4px 12px rgba(0,0,0,.22);
  cursor:grab;
  pointer-events:auto;
  display:flex;
  align-items:center;
  justify-content:center;
}

.info-drag-handle:before{
  content:"";
  width:9px;
  height:9px;
  opacity:.92;
  background:
    radial-gradient(circle at 1px 1px, #fff 1.1px, transparent 1.2px) 0 0/4px 4px;
}

.info-drag-handle:active{
  cursor:grabbing;
  background:#dc3337;
}

.info-image{
  width:100%;
  max-height:260px;
  object-fit:contain;
  display:block;
  background:rgba(255,255,255,.06);
}

.info-image.hidden{
  display:none;
}

.info-content{
  padding:20px 24px 24px;
}

.info-title{
  font-size:18px;
  font-weight:800;
  color:var(--text);
  margin-bottom:8px;
}

.info-text{
  font-size:14px;
  line-height:1.9;
  color:var(--text);
  white-space:pre-wrap;
}

.info-dialog.image-only{
  width:auto;
  max-width:min(560px, calc(100vw - 56px));
  max-height:min(64vh, 560px);
  overflow:hidden;
}

.info-dialog.image-only .info-image{
  width:auto;
  max-width:min(560px, calc(100vw - 56px));
  max-height:min(64vh, 560px);
  display:block;
  background:transparent;
}

.info-dialog.image-only .info-content{
  display:none;
}

.contact-popup{
  position:fixed;
  inset:0;
  z-index:80;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px;
  background: rgba(22, 18, 16, .42);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  pointer-events:auto;
  opacity:0;
  transition: opacity .42s ease;
}

.contact-popup.is-open{
  opacity:1;
}

.contact-popup.hidden{
  display:none;
}

.contact-card{
  position:relative;
  width:min(400px, calc(100vw - 28px));
  overflow:hidden;
  isolation:isolate;
  color: var(--brand-black);
  background:
    linear-gradient(165deg, rgba(255,255,255,.94) 0%, rgba(250,247,243,.9) 48%, rgba(255,255,255,.88) 100%);
  border:1px solid rgba(255,255,255,.55);
  border-radius:28px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.65) inset,
    0 28px 70px rgba(28, 22, 18, .38),
    0 8px 24px rgba(220, 51, 55, .08);
  padding:28px 24px 22px;
  text-align:center;
  pointer-events:auto;
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  backdrop-filter: blur(22px) saturate(1.25);
  transform: translateY(18px) scale(.96);
  opacity:0;
  transition:
    transform .55s cubic-bezier(.22, 1, .36, 1),
    opacity .45s ease;
}

.contact-popup.is-open .contact-card{
  transform: translateY(0) scale(1);
  opacity:1;
}

.contact-popup.is-open .contact-brand,
.contact-popup.is-open .contact-heading,
.contact-popup.is-open .contact-link,
.contact-popup.is-open .contact-address{
  animation: contactRise .55s cubic-bezier(.22, 1, .36, 1) both;
}

.contact-popup.is-open .contact-brand{ animation-delay: .05s; }
.contact-popup.is-open .contact-heading{ animation-delay: .12s; }
.contact-popup.is-open .contact-link:nth-child(1){ animation-delay: .2s; }
.contact-popup.is-open .contact-link:nth-child(2){ animation-delay: .28s; }
.contact-popup.is-open .contact-link:nth-child(3){ animation-delay: .36s; }
.contact-popup.is-open .contact-address{ animation-delay: .44s; }

@keyframes contactRise{
  from { opacity:0; transform: translateY(12px); }
  to { opacity:1; transform: translateY(0); }
}

.contact-card-shine{
  position:absolute;
  inset:-40% -20% auto;
  height:55%;
  background: linear-gradient(180deg, rgba(255,255,255,.55), transparent 70%);
  pointer-events:none;
  z-index:0;
}

.contact-card-wood{
  position:absolute;
  left:18px;
  right:18px;
  top:0;
  height:3px;
  border-radius:0 0 8px 8px;
  background: linear-gradient(90deg, #8b5a3c 0%, var(--brand-red) 45%, #c4a484 70%, #5c4030 100%);
  box-shadow: 0 6px 18px rgba(220, 51, 55, .22);
  z-index:1;
}

.contact-close{
  position:absolute;
  top:14px;
  inset-inline-start:14px;
  z-index:3;
  width:36px;
  height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid rgba(55,52,53,.12);
  background: rgba(255,255,255,.72);
  color: var(--brand-black);
  box-shadow: 0 6px 16px rgba(55,52,53,.08);
  cursor:pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}

.contact-close:hover{
  transform: rotate(90deg);
  background:#fff;
  border-color: rgba(220, 51, 55, .35);
  color: var(--brand-red);
}

.contact-brand,
.contact-heading,
.contact-actions,
.contact-address{
  position:relative;
  z-index:2;
}

.contact-brand{
  margin: 4px auto 14px;
}

.contact-logo{
  max-width:min(168px, 58vw);
  max-height:84px;
  object-fit:contain;
  margin:0 auto;
  display:block;
  filter: drop-shadow(0 8px 18px rgba(55,52,53,.12));
}

.contact-logo.hidden,
.contact-link.hidden,
.contact-address.hidden,
.contact-message:empty,
.contact-eyebrow:empty{
  display:none;
}

.contact-eyebrow{
  margin:0 0 6px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color: var(--brand-red);
}

html[lang="fa"] .contact-eyebrow,
html[dir="rtl"] .contact-eyebrow{
  letter-spacing:.04em;
}

.contact-title{
  margin:0;
  font-size:24px;
  font-weight:800;
  line-height:1.25;
  color: var(--brand-black);
  letter-spacing:-.01em;
}

.contact-message{
  margin:10px auto 0;
  max-width:32ch;
  color: var(--brand-gray);
  font-size:14px;
  line-height:1.85;
  white-space:pre-wrap;
}

.contact-actions{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:22px;
}

.contact-link{
  --contact-accent: var(--brand-red);
  position:relative;
  min-height:58px;
  display:flex;
  align-items:center;
  gap:12px;
  border-radius:18px;
  background: rgba(255,255,255,.72);
  border:1px solid rgba(55,52,53,.08);
  color: var(--brand-black);
  text-decoration:none;
  padding:10px 14px 10px 12px;
  overflow:hidden;
  box-shadow: 0 8px 20px rgba(55,52,53,.05);
  transition:
    transform .22s cubic-bezier(.22,1,.36,1),
    border-color .22s ease,
    box-shadow .22s ease,
    background .22s ease;
}

html[dir="rtl"] .contact-link{
  padding:10px 12px 10px 14px;
}

.contact-link::before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:3px;
  background: var(--contact-accent);
  opacity:.9;
}

html[dir="rtl"] .contact-link::before{
  inset:0 0 0 auto;
}

.contact-link:hover{
  transform: translateY(-2px);
  background:#fff;
  border-color: rgba(220, 51, 55, .28);
  box-shadow: 0 14px 28px rgba(55,52,53,.1);
}

.contact-link--whatsapp:hover{
  border-color: rgba(31, 168, 85, .35);
}

.contact-link--email:hover{
  border-color: rgba(55, 52, 53, .28);
}

.contact-link:active{
  transform: translateY(0);
}

.contact-link-icon{
  flex:0 0 auto;
  width:40px;
  height:40px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background: linear-gradient(145deg, var(--contact-accent), #373435);
  box-shadow: 0 8px 16px rgba(55,52,53,.16);
}

.contact-link--phone .contact-link-icon{
  background: linear-gradient(145deg, #e24a4e, #b91f24);
  box-shadow: 0 8px 16px rgba(220, 51, 55, .28);
}

.contact-link--whatsapp .contact-link-icon{
  background: linear-gradient(145deg, #2fc468, #178a44);
  box-shadow: 0 8px 16px rgba(31, 168, 85, .28);
}

.contact-link--email .contact-link-icon{
  background: linear-gradient(145deg, #4a4748, #2b292a);
  box-shadow: 0 8px 16px rgba(55,52,53,.22);
}

.contact-link--phone{ --contact-accent: #dc3337; }
.contact-link--whatsapp{ --contact-accent: #1fa855; }
.contact-link--email{ --contact-accent: #373435; }

.contact-link-copy{
  flex:1 1 auto;
  min-width:0;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:2px;
  text-align:start;
}

.contact-link-label{
  font-size:11px;
  font-weight:700;
  color: var(--brand-gray);
  letter-spacing:.02em;
}

.contact-link-value{
  font-size:14px;
  font-weight:800;
  color: var(--brand-black);
  overflow-wrap:anywhere;
  line-height:1.35;
}

.contact-link-arrow{
  flex:0 0 auto;
  color: var(--brand-gray);
  opacity:.55;
  transition: transform .22s ease, opacity .22s ease, color .22s ease;
}

html[dir="rtl"] .contact-link-arrow{
  transform: scaleX(-1);
}

.contact-link:hover .contact-link-arrow{
  opacity:1;
  color: var(--contact-accent);
  transform: translateX(3px);
}

html[dir="rtl"] .contact-link:hover .contact-link-arrow{
  transform: scaleX(-1) translateX(3px);
}

.contact-address{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid rgba(55,52,53,.08);
  display:flex;
  align-items:flex-start;
  justify-content:center;
  gap:8px;
  color: var(--brand-gray);
  font-size:12.5px;
  line-height:1.75;
  text-align:start;
}

.contact-address-icon{
  flex:0 0 auto;
  margin-top:2px;
  color: var(--brand-red);
  opacity:.85;
}

.contact-address-text{
  flex:1 1 auto;
  min-width:0;
}

@media (prefers-reduced-motion: reduce){
  .contact-popup,
  .contact-card,
  .contact-link,
  .contact-close,
  .contact-link-arrow{
    transition:none !important;
  }
  .contact-popup.is-open .contact-card{
    transform:none;
  }
  .contact-popup.is-open .contact-brand,
  .contact-popup.is-open .contact-heading,
  .contact-popup.is-open .contact-link,
  .contact-popup.is-open .contact-address{
    animation:none !important;
  }
}

/* ---- Category Navigation ---- */
.panel-nav{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-bottom:1px solid #ececec;
  min-height:38px;
  flex-shrink:0;
  background:#fff;
}

.nav-back{
  pointer-events:auto;
  border:1px solid #e0e0e0;
  background: #fff;
  color: #373435;
  border-radius:8px;
  padding:5px 9px;
  font-size:12px;
  cursor:pointer;
  white-space:nowrap;
  flex-shrink:0;
}

.nav-back:hover{
  border-color: rgba(255,255,255,.22);
}

.nav-close{
  pointer-events:auto;
  border:1px solid var(--stroke2);
  background:
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04)),
    rgba(255,255,255,.02);
  color: rgba(255,255,255,.58);
  border-radius: 999px;
  width: 18px;
  height: 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  line-height:1;
  cursor:pointer;
  flex-shrink:0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}

.nav-close:hover{
  border-color: rgba(255,255,255,.16);
  background:
    linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.05)),
    rgba(255,255,255,.03);
  color: rgba(255,255,255,.72);
}

.nav-crumb{
  font-size:11px;
  color: var(--muted);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  display:flex;
  align-items:center;
  gap:2px;
  flex:1;
  min-width:0;
}

.nav-crumb-step{
  color: var(--muted);
  cursor:pointer;
}

.nav-crumb-step:hover{
  color: var(--text);
}

.nav-crumb-sep{
  color: rgba(255,255,255,.28);
  flex-shrink:0;
}

.nav-crumb-active{
  color: var(--text);
  font-weight:600;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* Category / section styles are defined with the minimal panel block above. */

.category-card.soon{
  opacity:.55;
}

.category-card-arrow{
  color:#848688;
  font-size:18px;
  flex-shrink:0;
}

@media (max-width: 900px){
  .topbar{
    display:none;
  }

  /* AGT-style mid-height icon rail on free side (same as desktop logic) */
  .actions{
    top: calc(50% - min(18vh, 120px));
    bottom: auto;
    transform: none;
    flex-direction: column;
    gap: 14px;
    z-index: 22;
    max-width: none;
  }

  html[dir="rtl"] .actions,
  html[dir="rtl"] body.panel-open .actions{
    left: max(12px, calc(env(safe-area-inset-left, 0px) + 8px));
    right: auto;
    top: calc(50% - min(18vh, 120px));
    bottom: auto;
  }
  html[dir="ltr"] .actions,
  html[dir="ltr"] body.panel-open .actions{
    right: max(12px, calc(env(safe-area-inset-right, 0px) + 8px));
    left: auto;
    top: calc(50% - min(18vh, 120px));
    bottom: auto;
  }

  .panel-reopen-btn{
    top: auto;
    bottom: max(18px, calc(env(safe-area-inset-bottom, 0px) + 12px));
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%);
    min-width: 120px;
    min-height: 44px;
    padding: 10px 18px;
    border-radius: 999px !important;
    border: 1px solid rgba(0,0,0,.08) !important;
    writing-mode: horizontal-tb;
    flex-direction: row;
    box-shadow: 0 8px 22px rgba(0,0,0,.16) !important;
  }
  html[dir="rtl"] .panel-reopen-btn,
  html[dir="ltr"] .panel-reopen-btn{
    left: 50% !important;
    right: auto !important;
    border-radius: 999px !important;
    box-shadow: 0 8px 22px rgba(0,0,0,.16) !important;
    writing-mode: horizontal-tb;
  }
  .panel-reopen-btn:active{
    transform: translateX(-50%) scale(0.98);
  }
  body.panel-open .panel-reopen-btn{
    display: none !important;
  }

  .side-btn-desktop,
  #actions-toggle,
  #btn-fullscreen{
    display:none !important;
  }

  .side-btn{
    width:48px;
    height:48px;
  }

  body[data-ui-theme="flat"] .side-btn{
    background: rgba(18,18,20,.42);
    color:#fff;
    border-color: rgba(255,255,255,.92);
  }

  /* Full-width AGT bottom chrome — 3 tiers */
  .panel{
    inset:auto 0 0 0;
    left:0;
    right:0;
    width:100%;
    max-width:none;
    height:auto;
    min-height:0;
    max-height:min(46vh, 420px);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    transform: translateY(110%);
    border-radius: 0;
    border:none;
    border-top:1px solid rgba(0,0,0,.08);
    padding:0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    box-shadow: 0 -6px 24px rgba(0,0,0,.14);
    background: #ffffff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    overflow:hidden;
  }
  html[dir="rtl"] .panel,
  html[dir="ltr"] .panel{
    box-shadow: 0 -6px 24px rgba(0,0,0,.14);
  }
  .panel.idle-hidden{
    display:none;
  }
  .panel.open{
    transform: translateY(0);
  }
  html[dir="ltr"] .panel.closed,
  html[dir="rtl"] .panel.closed,
  .panel.closed{
    transform: translateY(110%);
    opacity:1;
    pointer-events: none;
  }

  .panel-handle{
    display:none;
  }

  /* Flatten stack so main / nav / rail are true column siblings */
  .panel-stack{
    display:contents;
    width:auto;
    background:transparent;
  }

  .panel-header{
    display:none !important;
  }

  /* Tier 1 — swatches */
  .panel-main{
    order:1;
    width:100%;
    max-width:none;
    min-width:0;
    min-height:0;
    flex: 1 1 auto;
    background: #fff;
    overflow:hidden;
  }

  .panel-content{
    padding:10px 12px 6px;
    overflow:hidden;
    flex:1 1 auto;
    min-width:0;
    min-height:0;
  }

  .materials-grid{
    display:flex;
    flex-direction:row;
    flex-wrap:nowrap;
    gap:10px;
    width:100%;
    max-width:100%;
    min-width:0;
    overflow-x:auto;
    overflow-y:hidden;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior-x:contain;
    touch-action: pan-x;
    padding:2px 2px 4px;
    scrollbar-width:none;
    -ms-overflow-style:none;
    pointer-events:auto;
  }
  .materials-grid::-webkit-scrollbar{
    display:none;
    width:0;
    height:0;
  }

  /* Flatten nested section grids into one swipe row */
  .choice-section{
    display:contents;
  }
  .choice-section-title{
    display:none !important;
  }
  .choice-section .materials-grid{
    display:contents;
  }

  .material-card{
    flex: 0 0 auto;
    width:100px;
    display:block;
    min-height:0;
    border-radius:10px;
    border:1.5px solid transparent;
    background:#fff;
    box-shadow:none;
    padding:0;
  }
  .material-card.selected{
    border-color:#111;
    box-shadow:none;
    background:#fff;
  }
  .material-thumb{
    aspect-ratio:1/1;
    border-radius:8px;
  }
  .material-meta{
    padding:6px 2px 2px;
  }
  .material-name{
    font-size:11px;
    font-weight:600;
    text-align:center;
    white-space:nowrap;
  }
  .material-code{
    display:none;
  }
  .category-card{
    display:none !important;
  }
  .empty-state{
    padding:8px;
    border:none;
  }

  /* Tier 2 — subcategories */
  .panel-nav{
    order:2;
    width:100%;
    max-width:100%;
    min-width:0;
    min-height:44px;
    flex: 0 0 auto;
    display:flex;
    align-items:stretch;
    gap:0;
    padding:0 4px;
    border:none;
    border-top:1px solid #ececec;
    background: #fff;
    overflow-x:auto;
    overflow-y:hidden;
    -webkit-overflow-scrolling:touch;
    touch-action: pan-x;
    scrollbar-width:none;
    -ms-overflow-style:none;
    pointer-events:auto;
  }
  .panel-nav::-webkit-scrollbar{
    display:none;
    width:0;
    height:0;
  }
  .panel-nav.is-empty{
    display:none !important;
  }
  .panel-nav .nav-back,
  .panel-nav .nav-crumb,
  .panel-nav .nav-close{
    display:none !important;
  }

  .panel-subtab{
    flex:0 0 auto;
    appearance:none;
    border:none;
    background:transparent;
    color:#6b6b6b;
    font-size:12px;
    font-weight:700;
    padding:11px 14px 9px;
    border-bottom:3px solid transparent;
    white-space:nowrap;
    cursor:pointer;
  }
  .panel-subtab.active{
    color:#111;
    border-bottom-color:#848688;
    background: rgba(0,0,0,.04);
  }

  /* Tier 3 — root categories */
  .panel-rail{
    order:3;
    width:100% !important;
    max-width:100%;
    min-width:0;
    min-height:48px;
    flex: 0 0 auto !important;
    border-inline-end:none;
    border-top:1px solid #ececec;
    border-bottom:none;
    background: #fff;
    overflow:hidden;
    pointer-events:auto;
  }
  .panel-rail-list,
  .panel-tabs,
  .panel-tabs.context-mode{
    display:flex;
    flex-direction:row;
    flex-wrap:nowrap;
    align-items:stretch;
    width:100%;
    max-width:100%;
    min-width:0;
    overflow-x:auto;
    overflow-y:hidden;
    -webkit-overflow-scrolling:touch;
    touch-action: pan-x;
    padding:0 4px;
    gap:0;
    scrollbar-width:none;
    -ms-overflow-style:none;
    pointer-events:auto;
  }
  html[dir="rtl"] .panel-rail-list,
  html[dir="rtl"] .panel-tabs,
  html[dir="rtl"] .panel-nav,
  html[dir="rtl"] .materials-grid{
    direction: rtl;
  }
  html[dir="ltr"] .panel-rail-list,
  html[dir="ltr"] .panel-tabs,
  html[dir="ltr"] .panel-nav,
  html[dir="ltr"] .materials-grid{
    direction: ltr;
  }
  .panel-rail-list::-webkit-scrollbar,
  .panel-tabs::-webkit-scrollbar{
    display:none;
    width:0;
    height:0;
  }
  .tab{
    flex: 0 0 auto;
    width: auto !important;
    max-width: none !important;
    min-width: max-content;
    padding:13px 16px 11px;
    border:none;
    border-bottom:3px solid transparent;
    border-inline-end:none;
    white-space:nowrap;
    background:transparent;
    font-size:13px;
    font-weight:700;
    color:#575757;
    pointer-events:auto;
    position:relative;
    z-index:2;
    text-align:center;
    line-height:1.2;
  }
  .tab:hover{
    background:transparent;
    color:#111;
  }
  .tab.active{
    color:#111;
    background:transparent;
    box-shadow:none;
    border-bottom-color: #2f9e44;
    font-weight:800;
  }
  html[dir="rtl"] .tab.active{
    box-shadow:none;
    border-bottom-color: #2f9e44;
  }

  .scene-overlay{
    align-items:center;
    justify-content:center;
    padding: max(14px, env(safe-area-inset-top)) 14px max(14px, env(safe-area-inset-bottom));
    background: rgba(255,255,255,.12);
    backdrop-filter: blur(2.5px) saturate(1.05);
    -webkit-backdrop-filter: blur(2.5px) saturate(1.05);
  }
  .scene-modal{
    width:min(100%, 420px);
    max-height:min(72vh, 680px);
    gap:10px;
  }
  .scene-modal-title{
    font-size:12px;
    padding:7px 14px;
    border-radius:7px;
  }
  .scene-grid{
    gap:8px;
  }
  .scene-card{
    border-width:3px;
    border-radius:2px;
  }
  .scene-thumb{
    aspect-ratio: 2.45 / 1;
  }
  .scene-name{
    top:8px;
    bottom:auto;
    font-size:11px;
    padding:5px 12px;
    border-radius:7px;
    max-width: calc(100% - 20px);
  }
  body.scene-picker-open .actions{
    opacity:1;
    pointer-events:auto;
  }
  body.scene-picker-open .panel{
    opacity:0;
    pointer-events:none;
  }
  .hint-box{
    max-width:min(220px, calc(100vw - 32px));
    font-size:12.5px;
    padding:10px 13px;
    line-height:1.7;
  }
  .info-dialog{
    top:72px;
    width:min(280px, 68vw);
    max-height:42vh;
    border-radius:14px;
  }
  .contact-card{
    width:min(340px, calc(100vw - 24px));
    padding:24px 16px 18px;
    border-radius:24px;
  }
}

/* ---------- Flat Theme (keeps old glass theme intact) ---------- */
body[data-ui-theme="flat"]{
  color: #373435;
  --text: #373435;
  --muted: #848688;
  --stroke: #d7d7d7;
  --stroke2: #dcdcdc;
  --bg: #ffffff;
  --bg2: #f4f4f4;
  --glass-tint: #ffffff;
}

body[data-ui-theme="flat"] .loader{
  color: #848688;
}

body[data-ui-theme="flat"] .icon-btn,
body[data-ui-theme="flat"] .pill-btn,
body[data-ui-theme="flat"] .lang-dropdown-trigger{
  background: #ffffff;
  color: #373435;
  border: 1px solid #d8d8d8;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body[data-ui-theme="flat"] .icon-btn:hover,
body[data-ui-theme="flat"] .pill-btn:hover{
  background: #dc3337;
  color: #ffffff;
  border-color: #dc3337;
}

body[data-ui-theme="flat"] .lang-dropdown-trigger:hover,
body[data-ui-theme="flat"] .lang-dropdown.is-open .lang-dropdown-trigger{
  background: #ffffff;
  color: #373435;
  border-color: #cfcfcf;
  box-shadow: 0 10px 22px rgba(0,0,0,.1);
}

body[data-ui-theme="flat"] .lang-dropdown-code{
  background: #f3f3f3;
  color: #373435;
}

body[data-ui-theme="flat"] .icon-btn:active,
body[data-ui-theme="flat"] .pill-btn:active{
  background: #848688;
  color: #ffffff;
  border-color: #848688;
}

body[data-ui-theme="flat"] .scene-title{
  background: #ffffff;
  color: #373435;
  border: 1px solid #d8d8d8;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body[data-ui-theme="flat"] .lang-dropdown-menu{
  background: #ffffff;
  border: 1px solid #e6e6e6;
  box-shadow: 0 16px 36px rgba(0,0,0,.14);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body[data-ui-theme="flat"] .panel-reopen-btn{
  background: #ffffff;
  color: #373435;
  border-color: #d8d8d8;
}

body[data-ui-theme="flat"] .panel-reopen-btn:hover{
  background: #f4f4f4;
  color: #111;
}

html[dir="rtl"] body[data-ui-theme="flat"] .panel{
  box-shadow: -8px 0 28px rgba(0,0,0,.12);
}

body[data-ui-theme="flat"] .panel-title,
body[data-ui-theme="flat"] .empty-title,
body[data-ui-theme="flat"] .material-name,
body[data-ui-theme="flat"] .scene-name,
body[data-ui-theme="flat"] .category-card-name{
  color: #373435;
}

body[data-ui-theme="flat"] .panel-header,
body[data-ui-theme="flat"] .panel-tabs,
body[data-ui-theme="flat"] .panel-nav,
body[data-ui-theme="flat"] .panel-rail{
  border-color: #ececec;
}

body[data-ui-theme="flat"] .tab{
  background: transparent;
  color: #6a6a6a;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,.05);
  border-radius: 0;
}

body[data-ui-theme="flat"] .tab:hover{
  background: rgba(255,255,255,.72);
  color: #1a1a1a;
  border-color: rgba(0,0,0,.05);
}

body[data-ui-theme="flat"] .tab.active{
  background: #fff;
  color: #111;
  border-color: rgba(0,0,0,.05);
  box-shadow: inset 2.5px 0 0 #111;
}

html[dir="rtl"] body[data-ui-theme="flat"] .tab.active{
  box-shadow: inset -2.5px 0 0 #111;
}

body[data-ui-theme="flat"] .tab.active:hover{
  background: #fff;
  color: #111;
  border-color: rgba(0,0,0,.05);
}

body[data-ui-theme="flat"] .category-card,
body[data-ui-theme="flat"] .material-card{
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
  border-radius: 12px;
}

body[data-ui-theme="flat"] .scene-card{
  background: #111;
  border: 3px solid #111;
  box-shadow: 0 10px 28px rgba(0,0,0,.28);
}

body[data-ui-theme="flat"] .empty-state{
  background: #ffffff;
  border-color: #d8d8d8;
  color: #848688;
}

body[data-ui-theme="flat"] .category-card:hover{
  border-color: rgba(0,0,0,.06);
  background: rgba(0,0,0,.025);
}

body[data-ui-theme="flat"] .scene-card:hover,
body[data-ui-theme="flat"] .scene-card.active{
  border-color: #111;
}

body[data-ui-theme="flat"] .material-card.selected{
  background: #fff;
  border-color: rgba(0,0,0,.88);
  box-shadow: 0 10px 22px rgba(0,0,0,.08);
}

body[data-ui-theme="flat"] .material-card.selected .material-name,
body[data-ui-theme="flat"] .material-card.selected .material-code{
  color: #2a2a2a;
}

body[data-ui-theme="flat"] .material-card.selected:hover{
  background: #fff;
  border-color: rgba(0,0,0,.88);
}

body[data-ui-theme="flat"] .scene-modal{
  background: transparent;
  color: #ffffff;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body[data-ui-theme="flat"] .scene-modal-header{
  border-color: transparent;
}

body[data-ui-theme="flat"] .scene-modal-title{
  color: #1f1f1f;
  background: rgba(245,245,245,.96);
  text-shadow: none;
}

body[data-ui-theme="flat"] .scene-name{
  color: #1f1f1f;
  background: rgba(245,245,245,.96);
}

body[data-ui-theme="flat"] .scene-modal-sub,
body[data-ui-theme="flat"] .material-code,
body[data-ui-theme="flat"] .category-card-sub,
body[data-ui-theme="flat"] .nav-crumb,
body[data-ui-theme="flat"] .choice-section-title,
body[data-ui-theme="flat"] #empty-sub{
  color: #848688;
}

body[data-ui-theme="flat"] .scene-modal-sub{
  display:none;
}

body[data-ui-theme="flat"] .nav-back,
body[data-ui-theme="flat"] .nav-close{
  background: #ffffff;
  color: #373435;
  border: 1px solid #d8d8d8;
}

body[data-ui-theme="flat"] .nav-back:hover,
body[data-ui-theme="flat"] .nav-close:hover{
  background: #dc3337;
  color: #ffffff;
  border-color: #dc3337;
}

body[data-ui-theme="flat"] .toast{
  background: #373435;
  color: #ffffff;
  border-color: #373435;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
}

body[data-ui-theme="flat"] .hint-box{
  background:rgba(28,28,30,.52);
  border-color:rgba(255,255,255,.14);
  color:rgba(255,255,255,.96);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  box-shadow:0 10px 28px rgba(0,0,0,.22);
}

body[data-ui-theme="flat"] .hint-box:after{
  background:rgba(36,36,38,.72);
}

body[data-ui-theme="flat"] .info-dialog{
  background:#ffffff;
  color:#373435;
  border:1px solid #d8d8d8;
  box-shadow:0 12px 28px rgba(0,0,0,.20);
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
}

body[data-ui-theme="flat"] .info-title,
body[data-ui-theme="flat"] .info-text{
  color:#373435;
}


/* Mobile AGT overrides that must win over flat-theme desktop tab styles */
@media (max-width: 900px){
  body[data-ui-theme="flat"] .tab,
  body[data-ui-theme="flat"] .tab:hover,
  body[data-ui-theme="flat"] .tab.active,
  body[data-ui-theme="flat"] .tab.active:hover,
  html[dir="rtl"] body[data-ui-theme="flat"] .tab.active{
    width: auto !important;
    max-width: none !important;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    box-shadow: none;
  }
  body[data-ui-theme="flat"] .tab.active,
  body[data-ui-theme="flat"] .tab.active:hover,
  html[dir="rtl"] body[data-ui-theme="flat"] .tab.active{
    color: #111;
    border-bottom-color: #2f9e44;
  }
  body[data-ui-theme="flat"] .material-card,
  body[data-ui-theme="flat"] .material-card.selected,
  body[data-ui-theme="flat"] .material-card.selected:hover{
    border-radius: 10px;
    background: #fff;
    box-shadow: none;
  }
  body[data-ui-theme="flat"] .material-card.selected,
  body[data-ui-theme="flat"] .material-card.selected:hover{
    border: 1.5px solid #111;
  }
  body[data-ui-theme="flat"] .panel{
    border-inline-end: none;
    box-shadow: 0 -6px 24px rgba(0,0,0,.14);
  }
  html[dir="rtl"] body[data-ui-theme="flat"] .panel{
    box-shadow: 0 -6px 24px rgba(0,0,0,.14);
  }
}