:root {
    --nc-accent: #8b5cf6; --nc-accent-l: #a78bfa;
    --nc-bg: #0a0a0f; --nc-bg2: #111118; --nc-bg3: #1a1a24;
    --nc-border: rgba(255,255,255,0.1); --nc-text: #f0f0f0;
    --nc-text-dim: rgba(255,255,255,0.5); --nc-radius: 12px; --nc-radius-sm: 8px;
}
.neonconf-wrapper { display:flex; gap:0; min-height:600px; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; background:var(--nc-bg); border-radius:var(--nc-radius); overflow:hidden; color:var(--nc-text); border:1px solid var(--nc-border); }
.neonconf-sidebar { width:280px; min-width:260px; background:var(--nc-bg2); border-right:1px solid var(--nc-border); padding:20px 16px; overflow-y:auto; display:flex; flex-direction:column; }
.neonconf-section { margin-bottom:20px; padding-bottom:20px; border-bottom:1px solid var(--nc-border); }
.neonconf-label { display:block; font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:.06em; color:var(--nc-text-dim); margin-bottom:10px; }
.neonconf-textarea { width:100%; background:var(--nc-bg3); border:1px solid var(--nc-border); border-radius:var(--nc-radius-sm); color:var(--nc-text); padding:10px 12px; font-size:14px; resize:none; transition:border-color .2s; box-sizing:border-box; }
.neonconf-textarea:focus { outline:none; border-color:var(--nc-accent); }
.neonconf-textarea::placeholder { color:var(--nc-text-dim); }
.neonconf-char-count { text-align:right; font-size:11px; color:var(--nc-text-dim); margin-top:4px; }
.neonconf-font-grid { display:flex; flex-direction:column; gap:6px; }
.neonconf-font-btn { width:100%; min-height:44px; background:var(--nc-bg3); border:1.5px solid var(--nc-border); border-radius:var(--nc-radius-sm); color:var(--nc-text); cursor:pointer; font-size:13px; transition:all .15s; padding:8px 12px; text-align:center; }
.neonconf-font-btn:hover { border-color:var(--nc-accent-l); }
.neonconf-font-btn.active { border-color:var(--nc-accent); background:rgba(139,92,246,.15); }
.neonconf-color-grid { display:flex; flex-wrap:wrap; gap:8px; }
.neonconf-color-dot { width:32px; height:32px; border-radius:50%; background:var(--c,#fff); border:2.5px solid transparent; cursor:pointer; transition:transform .15s,border-color .15s; box-shadow:0 0 6px rgba(0,0,0,.4); }
.neonconf-color-dot:hover { transform:scale(1.15); }
.neonconf-color-dot.active { border-color:#fff; transform:scale(1.2); box-shadow:0 0 12px var(--c,#fff); }
.neonconf-dim-note { font-size:11px; color:var(--nc-text-dim); margin-bottom:10px; }
.neonconf-dims { display:flex; align-items:center; gap:10px; }
.neonconf-dim-box { flex:1; background:var(--nc-bg3); border:1px solid var(--nc-border); border-radius:var(--nc-radius-sm); padding:8px 10px; text-align:center; }
.neonconf-dim-label { display:block; font-size:10px; color:var(--nc-text-dim); margin-bottom:2px; }
.neonconf-dim-val { font-size:18px; font-weight:600; color:var(--nc-accent-l); }
.neonconf-dim-unit { font-size:11px; color:var(--nc-text-dim); margin-left:2px; }
.neonconf-dim-x { color:var(--nc-text-dim); font-size:14px; }
.neonconf-upload-area { border:1.5px dashed var(--nc-border); border-radius:var(--nc-radius-sm); padding:16px; text-align:center; transition:border-color .2s; }
.neonconf-upload-area:hover { border-color:var(--nc-accent); }
.neonconf-upload-btn { display:inline-flex; align-items:center; gap:8px; background:transparent; border:1px solid var(--nc-border); border-radius:var(--nc-radius-sm); color:var(--nc-text); padding:8px 16px; font-size:13px; cursor:pointer; transition:all .15s; }
.neonconf-upload-btn:hover { background:var(--nc-bg3); border-color:var(--nc-accent); }
.neonconf-upload-hint { font-size:11px; color:var(--nc-text-dim); margin-top:8px; }
.neonconf-remove-photo { background:transparent; border:none; color:#ef4444; font-size:12px; cursor:pointer; margin-top:8px; padding:4px; }
.neonconf-price-box { background:linear-gradient(135deg,rgba(139,92,246,.2),rgba(139,92,246,.05)); border:1px solid rgba(139,92,246,.4); border-radius:var(--nc-radius-sm); padding:16px; text-align:center; margin-bottom:12px; }
.neonconf-price-label { font-size:11px; color:var(--nc-text-dim); text-transform:uppercase; letter-spacing:.06em; margin-bottom:4px; }
.neonconf-price-value { font-size:28px; font-weight:700; color:#fff; }
.neonconf-price-note { font-size:11px; color:var(--nc-text-dim); margin-top:4px; }
.neonconf-cart-btn { width:100%; padding:14px; background:var(--nc-accent); border:none; border-radius:var(--nc-radius-sm); color:#fff; font-size:15px; font-weight:600; cursor:pointer; display:flex; align-items:center; justify-content:center; gap:10px; transition:all .2s; }
.neonconf-cart-btn:hover:not(:disabled) { background:var(--nc-accent-l); transform:translateY(-1px); }
.neonconf-cart-btn:disabled { opacity:.45; cursor:not-allowed; }
.neonconf-spinner { display:inline-block; width:16px; height:16px; border:2px solid rgba(255,255,255,.3); border-top-color:#fff; border-radius:50%; animation:ncspin .7s linear infinite; }
@keyframes ncspin { to { transform:rotate(360deg); } }
.neonconf-added-notice { background:rgba(16,185,129,.15); border:1px solid rgba(16,185,129,.4); border-radius:var(--nc-radius-sm); padding:14px; text-align:center; }
.neonconf-added-notice p { font-size:14px; margin:0 0 10px; }
.neonconf-notice-btns { display:flex; gap:8px; }
.neonconf-btn-cart,.neonconf-btn-checkout { flex:1; padding:10px; border-radius:6px; font-size:13px; font-weight:600; text-align:center; text-decoration:none; transition:.15s; }
.neonconf-btn-cart { background:transparent; border:1px solid var(--nc-border); color:var(--nc-text); }
.neonconf-btn-cart:hover { background:var(--nc-bg3); color:#fff; }
.neonconf-btn-checkout { background:var(--nc-accent); border:1px solid transparent; color:#fff; }
.neonconf-btn-checkout:hover { background:var(--nc-accent-l); }
.neonconf-canvas-area { flex:1; display:flex; flex-direction:column; min-width:0; }
.neonconf-bg-bar { display:flex; gap:6px; padding:12px 16px; background:var(--nc-bg2); border-bottom:1px solid var(--nc-border); }
.neonconf-bg-btn { padding:6px 14px; border-radius:20px; border:1px solid var(--nc-border); background:transparent; color:var(--nc-text-dim); font-size:12px; cursor:pointer; transition:.15s; }
.neonconf-bg-btn:hover { border-color:var(--nc-accent); color:var(--nc-text); }
.neonconf-bg-btn.active { background:var(--nc-bg3); border-color:var(--nc-accent); color:var(--nc-text); }
.neonconf-canvas-wrap { flex:1; position:relative; overflow:hidden; min-height:400px; }
#neonconf-canvas { display:block; width:100%; height:100%; }
.neonconf-empty-state { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; pointer-events:none; }
.neonconf-empty-state p { font-size:14px; color:rgba(255,255,255,.25); text-align:center; max-width:220px; }
.neonconf-dimension-bar { padding:8px 16px; background:var(--nc-bg2); border-top:1px solid var(--nc-border); font-size:13px; color:var(--nc-text-dim); text-align:center; }
.neonconf-loading { color:var(--nc-text-dim); font-size:13px; }
@media(max-width:768px) {
    .neonconf-wrapper { flex-direction:column; }
    .neonconf-sidebar { width:100%; min-width:0; border-right:none; border-bottom:1px solid var(--nc-border); }
    .neonconf-canvas-wrap { min-height:300px; }
}