:root{
  --bg:#0b0f14;
  --panel:#111826;
  --muted:#8aa0b5;
  --text:#e8f0f7;
  --line:#1e2a3a;
  --accent:#5bd6ff;
}

*{ box-sizing:border-box; }
html,body{ height:100%; margin:0; background:var(--bg); color:var(--text); font-family:system-ui,Segoe UI,Roboto,Arial; overflow:hidden; }

.topbar{
  display:flex; gap:16px; align-items:center; justify-content:space-between;
  padding:12px 14px; border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
  position:sticky; top:0; z-index:10;
}
.brand{ font-weight:700; letter-spacing:0.4px; }

/* User Info and Logout */
.user-info{
  display:flex; gap:12px; align-items:center; font-size:12px; color:var(--muted);
}
.user-info.hidden{ display:none; }
.logout-button{
  background:rgba(200, 100, 100, 0.2); color:#e0a0a0;
  border:1px solid rgba(200, 100, 100, 0.3); border-radius:6px;
  padding:6px 12px; cursor:pointer; font-size:12px; font-weight:500;
  transition: all 0.2s ease;
}
.logout-button:hover{
  background:rgba(200, 100, 100, 0.35); border-color:rgba(200, 100, 100, 0.6);
  color:#ffb0b0;
}

.model-tabs{
  display:flex; gap:8px; align-items:center;
}
.model-tab{
  background:var(--panel); color:var(--muted);
  border:1px solid var(--line); border-radius:8px;
  padding:8px 14px; cursor:pointer;
  font-size:12px; font-weight:500;
  transition: all 0.2s ease;
}
.model-tab:hover{
  border-color:rgba(91,214,255,0.4);
  color:var(--text);
}
.model-tab.active{
  background:var(--accent);
  border-color:var(--accent);
  color:#000;
}
.controls{ display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
.controls label{ display:flex; gap:8px; align-items:center; font-size:12px; color:var(--muted); }
.controls select, .controls input[type="search"]{
  background:var(--panel); color:var(--text);
  border:1px solid var(--line); border-radius:10px;
  padding:8px 10px; outline:none;
}
.controls select{
  min-width:150px;
}
.controls button{
  background:var(--panel); color:var(--text);
  border:1px solid var(--line); border-radius:10px;
  padding:8px 12px; cursor:pointer;
}
.controls button:hover{ border-color:rgba(91,214,255,0.6); }

.inline{ gap:8px; }
.inline input{ transform:translateY(1px); }

.layout{
  display:grid;
  grid-template-columns: 1fr 340px;
  height: calc(100vh - 58px);
}
.viewport{ position:relative; }
#renderCanvas{
  width:100%; height:100%;
  display:block;
  outline:none;
}
.panel{
  border-left:1px solid var(--line);
  background:rgba(17,24,38,0.6);
  padding:14px;
  overflow:auto;
}
.panel h2{ margin:8px 0 10px; font-size:14px; }
.muted{ color:var(--muted); font-size:13px; }
hr{ border:none; border-top:1px solid var(--line); margin:14px 0; }

.info{
  background:rgba(255,255,255,0.03);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
}
.hidden{ display:none !important; }

.kv{ display:grid; grid-template-columns: 110px 1fr; gap:6px 10px; }
.k{ color:var(--muted); font-size:12px; }
.v{ font-size:13px; }

.legend{
  position:absolute;
  left:12px; bottom:12px;
  background:rgba(17,24,38,0.7);
  border:1px solid var(--line);
  padding:10px 10px;
  border-radius:14px;
  display:flex; gap:10px; align-items:center;
  font-size:12px; color:var(--muted);
  backdrop-filter: blur(6px);
}
.swatch{
  width:12px; height:12px; border-radius:3px; display:inline-block; margin-right:6px;
  border:1px solid rgba(255,255,255,0.12);
}
/* Legacy swatch classes (overridden by buildLegend, but kept for fallback) */
.sw0{ background:#888888; }
.sw25{ background:#e85030; }
.sw50{ background:#f0a020; }
.sw75{ background:#80c040; }
.sw100{ background:#20a040; }

#notesPanel{
  white-space:pre-line;
}

/* Modal Styles */
.modal{
  position:fixed; top:0; left:0; right:0; bottom:0;
  background:rgba(0,0,0,0.7);
  display:flex; align-items:center; justify-content:center;
  z-index:1000;
  backdrop-filter:blur(4px);
}

.modal.hidden{ display:none !important; }

.modal-content{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  max-width:800px;
  width:90%;
  max-height:80vh;
  display:flex; flex-direction:column;
  overflow:hidden;
  box-shadow:0 10px 40px rgba(0,0,0,0.5);
}

.modal-header{
  display:flex; justify-content:space-between; align-items:center;
  padding:16px;
  border-bottom:1px solid var(--line);
}

.modal-header h2{
  margin:0;
  font-size:16px;
  color:var(--accent);
}

.modal-close{
  background:none; border:none;
  color:var(--muted); font-size:28px;
  cursor:pointer; line-height:1;
  transition:color 0.2s ease;
}

.modal-close:hover{ color:var(--text); }

.modal-body{
  flex:1;
  padding:16px;
  overflow-y:auto;
}

.modal-footer{
  display:flex; justify-content:flex-end; align-items:center;
  padding:14px 16px;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,0.02);
  gap:8px;
}

.modal-button{
  background:var(--panel);
  border:1px solid var(--line);
  color:var(--text);
  padding:8px 14px;
  border-radius:8px;
  cursor:pointer;
  font-size:12px;
  font-weight:500;
  transition:all 0.2s ease;
}

.modal-button:hover{
  border-color:var(--accent);
  color:var(--accent);
}

.modal-button.close-button{
  margin-left:auto;
}

/* Photo Gallery */
.photo-gallery{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(150px, 1fr));
  gap:12px;
}

.photo-item{
  position:relative;
  overflow:hidden;
  border-radius:12px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--line);
  aspect-ratio:1;
  cursor:pointer;
  transition:all 0.2s ease;
}

.photo-item:hover{
  border-color:var(--accent);
  box-shadow:0 0 16px rgba(91,214,255,0.2);
}

.photo-item img{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
  cursor:pointer;
  transition:transform 0.2s ease;
}

.photo-item:hover img{
  transform:scale(1.05);
}

.no-photos{
  grid-column:1/-1;
  padding:40px 20px;
  text-align:center;
  color:var(--muted);
  font-size:14px;
}

.photo-lightbox{
  position:fixed;
  top:0; left:0; right:0; bottom:0;
  background:rgba(0,0,0,0.95);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2000;
}

.photo-lightbox.hidden{
  display:none !important;
}

.lightbox-content{
  position:relative;
  width:90%;
  max-width:900px;
  max-height:90vh;
  display:flex;
  align-items:center;
  justify-content:center;
}

#lightboxImage{
  max-width:100%;
  max-height:90vh;
  object-fit:contain;
  border-radius:8px;
}

.lightbox-close{
  position:absolute;
  top:20px;
  right:20px;
  background:rgba(0,0,0,0.7);
  color:#fff;
  border:none;
  font-size:40px;
  width:50px;
  height:50px;
  border-radius:50%;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all 0.2s ease;
  line-height:1;
  padding:0;
}

.lightbox-close:hover{
  background:rgba(0,0,0,0.9);
  color:#5bd6ff;
}

.lightbox-nav{
  position:absolute;
  top:50%;
  left:0;
  right:0;
  transform:translateY(-50%);
  display:flex;
  justify-content:space-between;
  padding:0 15px;
  z-index:2001;
  width:100%;
  pointer-events:none;
}

.lightbox-prev, .lightbox-next{
  background:rgba(91,214,255,0.3);
  border:1px solid rgba(91,214,255,0.5);
  color:#5bd6ff;
  padding:15px 20px;
  border-radius:6px;
  cursor:pointer;
  font-size:28px;
  font-weight:bold;
  transition:all 0.2s ease;
  pointer-events:auto;
  display:flex;
  align-items:center;
  justify-content:center;
  min-width:50px;
  min-height:50px;
}

.lightbox-prev:hover, .lightbox-next:hover{
  background:rgba(91,214,255,0.5);
  border-color:#5bd6ff;
  color:#fff;
  transform:scale(1.1);
}

.photo-button{
  width:100%;
  background:linear-gradient(135deg, rgba(91,214,255,0.2), rgba(91,214,255,0.1));
  border:1px solid var(--accent);
  color:var(--accent);
  border-radius:10px;
  padding:10px 14px;
  cursor:pointer;
  font-size:13px;
  font-weight:500;
  transition:all 0.2s ease;
  margin-top:12px;
}

.photo-button:hover{
  background:linear-gradient(135deg, rgba(91,214,255,0.3), rgba(91,214,255,0.2));
  border-color:#7dd8ff;
  color:#7dd8ff;
}

.modal-button{
  background:var(--panel);
  border:1px solid var(--line);
  color:var(--text);
  padding:8px 14px;
  border-radius:8px;
  cursor:pointer;
  font-size:12px;
  font-weight:500;
  transition:all 0.2s ease;
}

.modal-button:hover{
  border-color:var(--accent);
  color:var(--accent);
}

.modal-button.close-button{
  margin-left:auto;
}

/* Progress Modal */
.progress-modal-content{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  max-width:95vw;
  max-height:90vh;
  display:flex; flex-direction:column;
  overflow:hidden;
  box-shadow:0 10px 40px rgba(0,0,0,0.5);
}

.progress-modal-header{
  display:flex; justify-content:space-between; align-items:center;
  padding:16px;
  border-bottom:1px solid var(--line);
}

.progress-modal-header h2{
  margin:0;
  font-size:16px;
  color:var(--accent);
}

.progress-modal-controls{
  display:flex; justify-content:space-between; align-items:center;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,0.02);
  gap:12px;
  flex-wrap:wrap;
}

.progress-modal-controls label{
  display:flex; gap:8px; align-items:center;
  font-size:12px;
  color:var(--muted);
}

.progress-modal-controls select{
  background:var(--panel);
  color:var(--text);
  border:1px solid var(--line);
  border-radius:8px;
  padding:6px 10px;
  outline:none;
  font-size:12px;
}

.control-button{
  background:rgba(91,214,255,0.1);
  color:var(--accent);
  border:1px solid var(--accent);
  border-radius:8px;
  padding:6px 12px;
  font-size:12px;
  cursor:pointer;
  transition:all 0.2s ease;
}

.control-button:hover{
  background:rgba(91,214,255,0.2);
}

.control-button.active{
  background:rgba(91,214,255,0.3);
  font-weight:600;
}

.progress-modal-body{
  flex:1;
  overflow:auto;
  padding:12px;
  display:flex;
  flex-direction:column;
}

.progress-table{
  display:flex;
  flex-direction:column;
  gap:0;
  flex-shrink:0;
}

.progress-table-header-cell{
  background:rgba(91,214,255,0.15);
  color:var(--accent);
  padding:10px 8px;
  text-align:center;
  border:1px solid var(--line);
  font-weight:600;
  width:80px;
  flex-shrink:0;
  flex-grow:0;
  font-size:11px;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  white-space:nowrap;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:150px;
}

.progress-table-header-cell:first-child{
  width:140px;
  text-align:left;
  writing-mode:horizontal-tb;
  text-orientation:initial;
  min-height:auto;
}

.progress-table-row{
  display:flex;
  gap:1px;
  margin-bottom:1px;
  flex-shrink:0;
  white-space:nowrap;
}

.progress-table-cell{
  padding:8px;
  border:1px solid var(--line);
  text-align:center;
  font-weight:500;
  width:80px;
  flex-shrink:0;
  flex-grow:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:white;
  font-size:11px;
}

.progress-table-cell.progress-table-name-cell{
  width:140px;
  background:rgba(255,255,255,0.05);
  text-align:left;
  color:var(--text);
  font-weight:600;
}

/* Progress color backgrounds - Construction Industry Standard (Red-Yellow-Green) */
.progress-0{
  background:rgba(136, 136, 136, 0.3);
  color:#a8a8a8;
}

.progress-10{
  background:rgba(176, 48, 48, 0.3);
  color:#d06060;
}

.progress-20{
  background:rgba(217, 64, 64, 0.3);
  color:#e88080;
}

.progress-30{
  background:rgba(232, 80, 48, 0.3);
  color:#f09068;
}

.progress-40{
  background:rgba(240, 112, 32, 0.3);
  color:#ffa850;
}

.progress-50{
  background:rgba(240, 160, 32, 0.3);
  color:#ffcc60;
}

.progress-60{
  background:rgba(232, 208, 32, 0.3);
  color:#ffe860;
}

.progress-70{
  background:rgba(192, 208, 48, 0.3);
  color:#d0e870;
}

.progress-80{
  background:rgba(128, 192, 64, 0.3);
  color:#90d870;
}

.progress-90{
  background:rgba(64, 176, 80, 0.3);
  color:#60d090;
}

.progress-100{
  background:rgba(32, 160, 64, 0.3);
  color:#40c878;
}

.progress-na{
  background:rgba(255, 255, 255, 0.06);
  color:var(--muted);
}

/* ===== Reports ===== */
.reports-menu{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
  gap:12px;
  margin-bottom:20px;
}

.report-button{
  background:rgba(91, 214, 255, 0.1);
  border:1px solid rgba(91, 214, 255, 0.3);
  color:#5bd6ff;
  padding:16px;
  border-radius:8px;
  cursor:pointer;
  font-size:14px;
  font-weight:500;
  text-align:center;
  transition:all 0.2s ease;
  line-height:1.5;
}

.report-button:hover{
  background:rgba(91, 214, 255, 0.2);
  border-color:#5bd6ff;
  transform:translateY(-2px);
  box-shadow:0 8px 16px rgba(91, 214, 255, 0.2);
}

.report-button small{
  display:block;
  color:var(--muted);
  font-size:12px;
  margin-top:8px;
}

.report-content{
  background:rgba(0, 0, 0, 0.3);
  border:1px solid var(--line);
  border-radius:8px;
  padding:16px;
  max-height:500px;
  overflow-y:auto;
  font-family:'Courier New', monospace;
  font-size:12px;
}

.report-content table{
  width:100%;
  border-collapse:collapse;
  margin-bottom:16px;
}

.report-content th{
  background:rgba(91, 214, 255, 0.15);
  color:#5bd6ff;
  padding:8px;
  text-align:left;
  border:1px solid rgba(91, 214, 255, 0.3);
  font-weight:600;
}

.report-content td{
  padding:8px;
  border:1px solid rgba(255, 255, 255, 0.1);
}

.report-content tr:hover{
  background:rgba(91, 214, 255, 0.05);
}

.report-header{
  font-size:14px;
  font-weight:bold;
  color:#5bd6ff;
  margin-top:16px;
  margin-bottom:8px;
  padding-bottom:8px;
  border-bottom:2px solid rgba(91, 214, 255, 0.3);
}

.report-summary{
  background:rgba(91, 214, 255, 0.1);
  border-left:3px solid #5bd6ff;
  padding:12px;
  margin-bottom:16px;
  border-radius:4px;
  font-size:13px;
}

.matrix-table{
  width:100%;
  border-collapse:collapse;
}

.matrix-table thead{
  position:sticky;
  top:0;
  background:rgba(91, 214, 255, 0.15);
  z-index:10;
}

.matrix-table th{
  background:rgba(91, 214, 255, 0.15);
  color:#5bd6ff;
  padding:10px;
  text-align:center;
  border:1px solid rgba(91, 214, 255, 0.3);
  font-weight:600;
  font-size:12px;
}

.matrix-table td{
  padding:12px;
  border:1px solid rgba(255, 255, 255, 0.1);
  text-align:center;
  font-weight:500;
}

.matrix-table td small{
  display:block;
  font-size:10px;
  color:var(--muted);
  margin-top:4px;
}

.matrix-table tr:hover{
  background:rgba(91, 214, 255, 0.05);
}

tr.hidden-zero-row{
  display:none !important;
}

.hide-zero-btn{
  background:rgba(91, 214, 255, 0.15);
  border:1px solid rgba(91, 214, 255, 0.4);
  color:#5bd6ff;
  padding:8px 16px;
  border-radius:4px;
  cursor:pointer;
  font-size:12px;
  font-weight:600;
  margin-bottom:12px;
  transition:all 0.2s ease;
}

.hide-zero-btn:hover{
  background:rgba(91, 214, 255, 0.25);
  border-color:#5bd6ff;
}

.hide-zero-btn.active{
  background:rgba(255, 99, 71, 0.2);
  border-color:rgba(255, 99, 71, 0.5);
  color:#ff6347;
}

.report-content ul{
  margin-left:20px;
  line-height:1.8;
}

.report-content li{
  margin-bottom:4px;
}

/* 360 Photo Modal Styles */
.modal-360 {
  max-width:95vw;
  max-height:95vh;
  width:1400px;
}

.modal-360-body {
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:600px;
}

.photo-360-controls {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:12px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--line);
  border-radius:8px;
  flex-wrap:wrap;
}

.photo-360-controls label {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text);
}

.photo-360-controls select {
  background:var(--bg);
  color:var(--text);
  border:1px solid var(--line);
  border-radius:8px;
  padding:8px 12px;
  font-size:13px;
  min-width:250px;
  cursor:pointer;
}

.photo-360-controls select:hover {
  border-color:var(--accent);
}

.photo-360-nav {
  display:flex;
  gap:8px;
  align-items:center;
}

.photo-360-nav-button {
  background:rgba(91, 214, 255, 0.12);
  border:1px solid rgba(91, 214, 255, 0.35);
  color:var(--text);
  padding:8px 12px;
  border-radius:8px;
  cursor:pointer;
  font-size:13px;
  transition:all 0.2s ease;
}

.photo-360-nav-button:hover {
  background:rgba(91, 214, 255, 0.25);
  border-color:rgba(91, 214, 255, 0.6);
}

.photo-360-nav-button:disabled {
  opacity:0.5;
  cursor:not-allowed;
}

.photo-360-instructions {
  font-size:12px;
  color:var(--muted);
  padding:8px 12px;
  background:rgba(91,214,255,0.05);
  border-radius:6px;
  border:1px solid rgba(91,214,255,0.2);
}

.pannellum-viewer-container {
  flex:1;
  min-height:500px;
  border-radius:12px;
  overflow:hidden;
  border:2px solid var(--line);
  background:var(--bg);
  position:relative;
}

.pannellum-viewer-container .no-photos {
  display:flex;
  align-items:center;
  justify-content:center;
  height:100%;
  color:var(--muted);
  font-size:16px;
}

/* ===== MOBILE & TABLET RESPONSIVE DESIGN ===== */

/* Tablets (768px to 1024px) */
@media only screen and (max-width: 1024px) {
  .layout {
    grid-template-columns: 1fr 280px;
  }
  
  .panel {
    padding:10px;
  }
  
  .controls select {
    min-width:120px;
  }
  
  .model-tabs {
    gap:4px;
  }
  
  .model-tab {
    padding:6px 10px;
    font-size:11px;
  }
  
  .photo-gallery {
    grid-template-columns:repeat(auto-fill, minmax(120px, 1fr));
  }
}

/* Small Tablets & Large Phones (641px to 768px) */
@media only screen and (max-width: 768px) {
  html, body {
    overflow: auto;
  }
  
  .topbar {
    flex-direction: column;
    gap: 8px;
    padding: 10px;
    align-items: flex-start;
  }
  
  .brand {
    font-size: 14px;
  }
  
  .model-tabs {
    width: 100%;
    gap: 4px;
    flex-wrap: wrap;
    overflow-x: auto;
  }
  
  .model-tab {
    padding: 6px 10px;
    font-size: 11px;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .controls {
    width: 100%;
    gap: 6px;
    flex-wrap: wrap;
  }
  
  .controls label {
    font-size: 11px;
    flex-shrink: 0;
  }
  
  .controls select, .controls input[type="search"] {
    padding: 6px 8px;
    font-size: 11px;
  }
  
  .controls select {
    min-width: 100px;
  }
  
  .controls button {
    padding: 6px 10px;
    font-size: 11px;
  }
  
  .layout {
    grid-template-columns: 1fr;
    height: auto;
    min-height: calc(100vh - 110px);
  }
  
  .viewport {
    min-height: 400px;
    border-bottom: 1px solid var(--line);
  }
  
  #renderCanvas {
    height: 400px;
    width: 100%;
  }
  
  .panel {
    border-left: none;
    border-top: 1px solid var(--line);
    padding: 12px;
  }
  
  .panel h2 {
    font-size: 13px;
    margin: 6px 0 8px;
  }
  
  .legend {
    left: 8px;
    bottom: 8px;
    padding: 8px;
    gap: 6px;
    font-size: 11px;
  }
  
  .swatch {
    width: 10px;
    height: 10px;
  }
  
  .photo-gallery {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
  }
  
  /* Modal adjustments for tablets */
  .modal-content {
    width: 95%;
    max-width: 95vw;
    max-height: 90vh;
  }
  
  .modal-header h2 {
    font-size: 14px;
  }
  
  .modal-close {
    font-size: 24px;
  }
  
  .modal-body {
    padding: 12px;
  }
  
  table {
    font-size: 12px;
  }
  
  .matrix-table th, .matrix-table td {
    padding: 8px 6px;
    font-size: 11px;
  }
  
  .matrix-table td small {
    font-size: 9px;
  }
  
  .modal-footer {
    padding: 10px 12px;
    gap: 6px;
  }
  
  .modal-button {
    padding: 6px 10px;
    font-size: 11px;
  }
  
  .hide-zero-btn {
    padding: 6px 12px;
    font-size: 11px;
    margin-bottom: 10px;
  }
  
  .progress-modal-controls {
    flex-direction: column;
    gap: 8px;
  }
  
  .progress-modal-controls label {
    width: 100%;
    margin-bottom: 0;
  }
  
  .photo-360-controls {
    flex-direction: column;
    gap: 8px;
  }
  
  .photo-360-controls select {
    min-width: 100%;
    width: 100%;
  }
  
  .pannellum-viewer-container {
    min-height: 300px;
  }
  
  .photo-button-container:not(.hidden) {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .photo-button-container.hidden {
    display: none !important;
  }
  
  .photo-button {
    width: 100%;
  }
}

/* Small Phones (480px to 640px) */
@media only screen and (max-width: 640px) {
  .topbar {
    padding: 8px;
  }
  
  .brand {
    font-size: 12px;
  }
  
  .model-tabs {
    gap: 3px;
  }
  
  .model-tab {
    padding: 5px 8px;
    font-size: 10px;
  }
  
  .controls {
    gap: 4px;
  }
  
  .controls label {
    font-size: 10px;
    gap: 4px;
  }
  
  .controls select, .controls input[type="search"] {
    padding: 5px 6px;
    font-size: 10px;
  }
  
  .controls select {
    min-width: 80px;
  }
  
  .controls button {
    padding: 5px 8px;
    font-size: 10px;
  }
  
  #renderCanvas {
    height: 350px;
  }
  
  .viewport {
    min-height: 350px;
  }
  
  .panel {
    padding: 10px;
  }
  
  .panel h2 {
    font-size: 12px;
    margin: 4px 0 6px;
  }
  
  .muted {
    font-size: 12px;
  }
  
  .kv {
    grid-template-columns: 80px 1fr;
    gap: 4px 6px;
  }
  
  .k, .v {
    font-size: 11px;
  }
  
  .legend {
    left: 6px;
    bottom: 6px;
    padding: 6px;
    gap: 4px;
    font-size: 10px;
  }
  
  .swatch {
    width: 8px;
    height: 8px;
    margin-right: 4px;
  }
  
  .photo-gallery {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 6px;
  }
  
  .modal-content {
    width: 97%;
    max-width: 97vw;
  }
  
  .modal-header {
    padding: 12px;
  }
  
  .modal-header h2 {
    font-size: 13px;
  }
  
  .modal-body {
    padding: 10px;
  }
  
  .modal-footer {
    padding: 8px 10px;
  }
  
  table {
    font-size: 11px;
  }
  
  .matrix-table th, .matrix-table td {
    padding: 6px 4px;
    font-size: 10px;
  }
  
  .matrix-table td small {
    font-size: 8px;
  }
  
  .modal-button {
    padding: 5px 8px;
    font-size: 10px;
  }
  
  .hide-zero-btn {
    padding: 5px 10px;
    font-size: 10px;
  }
  
  .info {
    padding: 8px;
  }
  
  hr {
    margin: 10px 0;
  }
  
  .report-summary {
    padding: 8px;
    font-size: 12px;
    margin-bottom: 10px;
  }
  
  .pannellum-viewer-container {
    min-height: 280px;
  }
  
  .photo-360-instructions {
    font-size: 10px;
    padding: 6px 8px;
  }
}

/* Extra Small Phones (< 480px) */
@media only screen and (max-width: 480px) {
  .topbar {
    padding: 6px;
    gap: 6px;
  }
  
  .brand {
    font-size: 11px;
  }
  
  .model-tabs {
    gap: 2px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .model-tab {
    padding: 4px 6px;
    font-size: 9px;
    min-height: 32px;
    display: flex;
    align-items: center;
  }
  
  .controls {
    gap: 3px;
    width: 100%;
  }
  
  .controls label {
    font-size: 9px;
    gap: 3px;
  }
  
  .controls select, .controls input[type="search"] {
    padding: 4px 5px;
    font-size: 9px;
    min-height: 32px;
  }
  
  .controls select {
    min-width: 70px;
  }
  
  .controls button {
    padding: 4px 6px;
    font-size: 9px;
    min-height: 32px;
  }
  
  .inline input {
    cursor: pointer;
    min-width: 18px;
    min-height: 18px;
  }
  
  #renderCanvas {
    height: 300px;
    min-height: 300px;
  }
  
  .viewport {
    min-height: 300px;
  }
  
  .panel {
    padding: 8px;
    max-height: 300px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .panel h2 {
    font-size: 11px;
    margin: 3px 0 5px;
  }
  
  .muted {
    font-size: 11px;
  }
  
  .kv {
    grid-template-columns: 70px 1fr;
    gap: 3px 4px;
  }
  
  .k, .v {
    font-size: 10px;
  }
  
  .legend {
    left: 4px;
    bottom: 4px;
    padding: 4px;
    gap: 3px;
    font-size: 9px;
    flex-wrap: wrap;
  }
  
  .swatch {
    width: 8px;
    height: 8px;
    margin-right: 3px;
  }
  
  .photo-gallery {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 4px;
  }
  
  .modal-content {
    width: 99%;
    max-width: 99vw;
    max-height: 95vh;
  }
  
  .modal-header {
    padding: 10px;
    gap: 8px;
  }
  
  .modal-header h2 {
    font-size: 12px;
    margin: 0;
  }
  
  .modal-close {
    font-size: 22px;
    width: 30px;
    height: 30px;
    min-width: 30px;
  }
  
  .modal-body {
    padding: 8px;
    -webkit-overflow-scrolling: touch;
  }
  
  .modal-footer {
    padding: 6px 8px;
    gap: 4px;
  }
  
  table {
    font-size: 10px;
    overflow-x: auto;
  }
  
  .matrix-table th, .matrix-table td {
    padding: 4px 3px;
    font-size: 9px;
  }
  
  .matrix-table td small {
    font-size: 7px;
  }
  
  .modal-button {
    padding: 4px 6px;
    font-size: 9px;
    min-height: 36px;
    flex: 1;
  }
  
  .hide-zero-btn {
    padding: 4px 8px;
    font-size: 9px;
    min-height: 36px;
  }
  
  .report-summary {
    padding: 6px;
    font-size: 11px;
    margin-bottom: 8px;
  }
  
  .info {
    padding: 6px;
    font-size: 12px;
  }
  
  hr {
    margin: 8px 0;
  }
  
  .photo-item {
    border-radius: 8px;
  }
  
  .photo-button-container:not(.hidden) {
    gap: 6px;
  }
  
  .photo-button {
    width: 100%;
    min-height: 36px;
    padding: 8px 12px;
  }
  
  .floor-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }
  
  .floor-filters label {
    font-size: 10px;
  }
  
  .pannellum-viewer-container {
    min-height: 250px;
  }
  
  .photo-360-controls {
    gap: 6px;
  }
  
  .photo-360-controls label {
    font-size: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .photo-360-controls select {
    min-width: 100%;
    width: 100%;
    min-height: 36px;
  }
  
  .photo-360-instructions {
    font-size: 9px;
    padding: 4px 6px;
  }
  
  /* Touch-friendly elements */
  button, select, input[type="checkbox"] {
    min-height: 36px;
    min-width: 36px;
  }
}