:root{--primary:#2563eb;--danger:#dc2626;--bg:#f1f5f9;--surface:#fff;--text:#0f172a;--text-muted:#64748b;--border:#e2e8f0}body{background-color:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}#root{width:100vw;height:100vh;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;width:350px;height:100%;display:flex}.sidebar-header{border-bottom:1px solid var(--border);color:#fff;background:#1e293b;padding:1.5rem}.sidebar-header h1{margin:0;font-size:1.5rem}.sign-list{flex-direction:column;flex:1;gap:.5rem;padding:1rem;display:flex;overflow-y:auto}.sign-item{cursor:pointer;border:1px solid #0000;border-radius:.5rem;align-items:center;padding:.75rem;transition:all .2s;display:flex}.sign-item:hover{border-color:var(--border);background:#f8fafc}.sign-item.active{background:#eff6ff;border-color:#bfdbfe}.sign-thumbnail{flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;margin-right:1rem;display:flex}.main-content{flex:1;justify-content:center;padding:2rem;display:flex;overflow-y:auto}.content-inner{flex-direction:column;gap:2rem;width:100%;max-width:900px;display:flex}.card{background:var(--surface);border-radius:1rem;padding:2rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.sign-detail-header{align-items:flex-start;gap:2rem;margin-bottom:1.5rem;display:flex}.large-sign{flex-shrink:0;width:120px;height:120px}.badge{text-transform:uppercase;border-radius:9999px;padding:.25rem .75rem;font-size:.875rem;font-weight:600;display:inline-block}.badge-regulatory{color:#991b1b;background:#fee2e2}.badge-warning{color:#92400e;background:#fef3c7}.controls{gap:1rem;margin-top:1rem;display:flex}button{cursor:pointer;border:none;border-radius:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:opacity .2s}button:hover{opacity:.9}button.primary{background:var(--primary);color:#fff}button.danger{background:var(--danger);color:#fff}.simulator-container{aspect-ratio:16/9;background:#000;border-radius:.5rem;width:100%;position:relative;overflow:hidden;box-shadow:0 10px 15px -3px #0000001a}.simulator-container canvas{width:100%;height:100%;display:block}