:root{--bg: #f6f8fb;--surface: #ffffff;--surface-alt: #f3f6fb;--text: #0f172a;--muted: #64748b;--border: #e5e7eb;--shadow: 0 6px 18px rgba(15, 23, 42, .08);--radius: 10px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--primary: #2563eb;--primary-600: #1e4fd7;--danger: #dc2626;--danger-600: #b91c1c;--success: #16a34a;--warning: #f59e0b}html,body,#root{height:100%;margin:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#f8fbff,#eef2f7)}*{box-sizing:border-box}:where(button,input,textarea){transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .08s ease}.layout{display:grid;grid-template-columns:340px minmax(0,1fr) 380px;grid-template-rows:auto 1fr;height:100%}.layout.inspector-hidden{grid-template-columns:340px minmax(0,1fr) 0}.layout.inspector-hidden .right{display:none}header{grid-column:1 / span 3;padding:var(--space-2) 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popIn{0%{transform:translateY(6px) scale(.98);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}:root[data-theme=dark]{--bg: #0f172a;--surface: #111827;--surface-alt: #0b1220;--text: #e5e7eb;--muted: #94a3b8;--border: #1f2937;--shadow: 0 8px 20px rgba(0,0,0,.45)}:root[data-theme=dark] body{background:linear-gradient(180deg,#0b1220,#0f172a)}:root[data-theme=dark] header{background:linear-gradient(180deg,#0b1324,#0f172a)}:root[data-theme=dark] .messages .you .bubble{background:#2563eb2e;border-color:#1e3a8a}:root[data-theme=dark] .messages .assistant .bubble{background:#0f172a}:root[data-theme=dark] button{background:#0f172a;border-color:var(--border);color:var(--text)}:root[data-theme=dark] .btn.ghost{background:#0f172a}:root[data-theme=dark] .btn.ghost:hover{background:#111827}:root[data-theme=dark] .modal{background:var(--surface);box-shadow:0 30px 80px #0009}:root[data-theme=dark] .modal-footer{background:#111827a6}:root[data-theme=dark] .project-notes{background:#1118278c;border-color:var(--border)}:root[data-theme=dark] .legend{background:#111827eb;border-color:#1f2937}:root[data-xr=ar]{--bg: transparent;--surface: rgba(255,255,255,.86);--surface-alt: rgba(255,255,255,.78);--border: rgba(148,163,184,.42);--text: #0f172a}:root[data-xr=ar] body{background:transparent!important}:root[data-xr=ar] header{background:#ffffffdb;border-bottom-color:var(--border);backdrop-filter:blur(10px) saturate(120%)}:root[data-xr=ar] .left,:root[data-xr=ar] .right,:root[data-xr=ar] .center{background:transparent}:root[data-xr=ar] .card{background:var(--surface);border-color:var(--border)}:root[data-xr=ar] .panel{background:var(--surface)}