:root{--bg:#08090c;--bg2:#0c0e13;--surface:#0f1219;--border:#1a2030;--border-hi:#2a3545;--led:#def;--led-glow:#c8e6ff8c;--accent:#3d87f5;--accent-dim:#3d87f51f;--text:#abc;--text-hi:#def;--muted:#4a6070;--radius:8px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg);height:100%;color:var(--text);font-family:DM Sans,Segoe UI,sans-serif;font-size:14px}.app{flex-direction:column;height:100vh;display:flex;overflow:hidden}.toolbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#08090ceb;flex-shrink:0;align-items:center;gap:12px;height:56px;padding:0 20px;display:flex}.toolbar-title{letter-spacing:.05em;color:var(--led);flex-shrink:0;align-items:center;gap:9px;margin-right:8px;font-family:Barlow Condensed,sans-serif;font-size:1.15rem;font-weight:800;text-decoration:none;display:flex}.toolbar-title svg{flex-shrink:0}.toolbar-group{align-items:center;gap:8px;display:flex}.toolbar-group label{color:var(--muted);letter-spacing:.04em;font-size:12px;font-weight:500}.toolbar-group select{background:var(--surface);border:1px solid var(--border-hi);color:var(--text-hi);border-radius:var(--radius);cursor:pointer;padding:5px 10px;font-family:DM Sans,sans-serif;font-size:13px;transition:border-color .2s}.toolbar-group select:hover{border-color:var(--accent)}.toolbar-actions{gap:8px;margin-left:auto;display:flex}.btn{border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:6px;padding:6px 16px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:600;transition:background .2s,box-shadow .2s,transform .15s,border-color .2s,color .2s;display:inline-flex}.btn-primary{color:#0a1520;background:#d8eeff;box-shadow:0 0 20px #d8eeff2e}.btn-primary:hover{background:#eaf4ff;transform:translateY(-1px);box-shadow:0 0 32px #d8eeff59}.btn-secondary{color:var(--text-hi);border:1px solid var(--border-hi);background:0 0}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.main-layout{flex:1;display:flex;overflow:hidden}.canvas-container{background:var(--bg);touch-action:none;flex:1;position:relative;overflow:hidden}.hex-canvas{cursor:crosshair;width:100%;height:100%}.sidebar{background:var(--bg2);border-left:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:16px;width:240px;padding:16px;display:flex;overflow-y:auto}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:0 0}.sidebar::-webkit-scrollbar-thumb{background:var(--border-hi);border-radius:2px}.sidebar h2{color:var(--text-hi);letter-spacing:.06em;text-transform:uppercase;margin-bottom:2px;font-family:Barlow Condensed,sans-serif;font-size:15px;font-weight:800}.bom-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:8px;padding:12px;display:flex}.bom-section h3{color:var(--muted);text-transform:uppercase;letter-spacing:.12em;border-bottom:1px solid var(--border);margin-bottom:2px;padding-bottom:6px;font-family:Barlow Condensed,sans-serif;font-size:11px;font-weight:700}.bom-section dl{grid-template-columns:1fr auto;gap:4px 12px;display:grid}.bom-section dt{color:var(--muted);font-size:12px}.bom-section dd{color:var(--text-hi);text-align:right;font-variant-numeric:tabular-nums;font-size:12px;font-weight:600}.bom-section .empty{color:var(--muted);font-size:12px;font-style:italic}.price-section{margin-top:4px}.price{color:var(--led);letter-spacing:-.5px;text-shadow:0 0 24px var(--led-glow);font-family:Barlow Condensed,sans-serif;font-size:32px;font-weight:800}.mode-toggle{gap:0!important}.btn-mode{border:1px solid var(--border-hi);border-radius:0;padding:5px 14px;font-size:12px}.btn-mode:first-child{border-radius:var(--radius) 0 0 var(--radius)}.btn-mode:last-child{border-radius:0 var(--radius) var(--radius) 0;border-left:none}.btn-mode-active{color:#0a1520;background:#d8eeff;border-color:#d8eeff;box-shadow:0 0 16px #d8eeff33}.btn-mode-active:hover{color:#0a1520;border-color:#d8eeff;transform:none}.room-input{background:var(--surface);border:1px solid var(--border-hi);width:72px;color:var(--text-hi);border-radius:var(--radius);padding:5px 8px;font-family:DM Sans,sans-serif;font-size:12px;transition:border-color .2s}.room-input:focus{border-color:var(--accent);outline:none}.room-sep{color:var(--muted);font-size:13px}.btn-icon{padding:5px 9px;font-size:11px;line-height:1}.room-warning{border-radius:var(--radius);color:#ff7070;background:#dc3c3c1f;border:1px solid #dc3c3c59;padding:8px 10px;font-size:12px;line-height:1.5}.value-warning{color:#ff7070!important}.sidebar-footer{color:var(--muted);border-top:1px solid var(--border);margin-top:auto;padding-top:12px;font-size:11px;line-height:1.6}.sidebar-footer a{color:var(--muted);text-decoration:none}.sidebar-footer a:hover{color:var(--text)}