:root{--bg-dark:#1a1a1a;--bg-darker:#121212;--bg-panel:rgba(26,26,26,.98);--bg-glass:rgba(26,26,26,.95);--bg-canvas:#111128;--bg-card:#242424;--accent-primary:#2563eb;--accent-primary-hover:#1d4ed8;--accent-cyan:#06b6d4;--accent-green:#22c55e;--accent-orange:#ed6d2d;--accent-red:#ef4444;--text-primary:#e0e0e0;--text-secondary:#888;--border-color:#333;--border-glass:rgba(60,60,60,.6);--grid-line:rgba(50,50,50,.5);--glass-blur:12px;--header-height:60px;--sidebar-width:320px;--shadow-glass:0 8px 32px rgba(0,0,0,.6)}*{box-sizing:border-box;margin:0;padding:0}body{background:#121212;background-attachment:fixed;color:var(--text-primary);font-family:Montserrat,sans-serif;overflow:hidden}#app-container{display:flex;flex-direction:column;height:100vh}.app-header{backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));background:#1a1a1a;border-bottom:1px solid #333;box-shadow:0 1px 0 rgba(0,0,0,.5);height:var(--header-height);justify-content:space-between;padding:0 20px;z-index:100}.app-header,.logo{align-items:center;display:flex}.logo{background:linear-gradient(90deg,#2563eb,#06b6d4,#22c55e,#2563eb);-webkit-background-clip:text;background-size:300% 100%;font-size:1.2rem;font-weight:700;gap:10px;-webkit-text-fill-color:transparent;animation:logoGradientSlide 8s linear infinite;background-clip:text}.logo i{color:#fff;-webkit-text-fill-color:#fff}@keyframes logoGradientSlide{0%{background-position:0 50%}to{background-position:100% 50%}}.workspace{align-items:stretch;display:flex;flex:1;overflow:hidden;position:relative}.sidebar{background:#1a1a1a;border-right:1px solid #333;display:flex;flex-direction:column;height:100%;overflow-y:auto;width:var(--sidebar-width);z-index:10}.right-sidebar{border-left:1px solid #333;border-right:none}.sidebar-header{align-items:center;border-bottom:1px solid #333;display:flex;justify-content:space-between;padding:20px}.sidebar-header h2{color:var(--accent-primary);font-size:1.1rem;font-weight:600;letter-spacing:1px;text-transform:uppercase}.wizard-step{border-bottom:1px solid #333;padding:20px}.wizard-step h3{color:var(--text-secondary);font-size:.9rem}.form-group,.wizard-step h3{margin-bottom:15px}.form-group label{color:var(--text-secondary);display:block;font-size:.85rem;margin-bottom:5px}.form-group input,.form-group select{background:rgba(0,0,0,.3);border:1px solid var(--border-color);border-radius:4px;color:var(--text-primary);font-family:inherit;outline:none;padding:8px 12px;width:100%}.form-group input:focus,.form-group select:focus{border-color:var(--accent-cyan)}.form-group select option{background-color:#1a1a1a;border-bottom:1px solid #333;padding:10px}.form-group select option:disabled{background-color:#242424;color:var(--accent-primary);font-weight:700;padding-top:15px;text-align:center}.hint{color:var(--text-secondary);display:block;font-size:.75rem;font-style:italic;margin-top:4px}.number-input{align-items:center;background:rgba(0,0,0,.3);border:1px solid var(--border-color);border-radius:4px;display:flex;justify-content:center;margin:0 auto;width:120px}.number-input button{cursor:pointer;font-size:1.2rem;padding:8px 15px}.number-input button,.number-input input{background:transparent;border:none;color:var(--text-primary)}.number-input input{font-size:1.1rem;font-weight:600;margin:0;text-align:center;width:40px;-webkit-text-fill-color:var(--text-primary);opacity:1}.btn-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.85rem;font-weight:600;letter-spacing:.5px;padding:10px 20px;text-transform:uppercase;transition:transform .2s,box-shadow .2s}.btn-primary:hover{box-shadow:0 4px 12px rgba(37,99,235,.4);transform:translateY(-1px)}.wizard-actions{padding:20px}.wizard-actions .btn-primary{width:100%}.instruction{color:var(--text-secondary);font-size:.8rem;margin-top:10px}.accessories-section{flex:1;padding:20px}.accessories-section h3{color:var(--text-secondary);font-size:.9rem;margin-bottom:15px}.accessories-grid{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}.acc-item{background:#242424;border:1px solid #333;border-radius:8px;cursor:grab;font-size:.8rem;padding:10px;text-align:center;transition:all .2s;user-select:none}.acc-item:hover{background:#2a2a2a;border-color:var(--accent-primary);box-shadow:0 4px 12px rgba(37,99,235,.15)}.acc-item i{color:var(--accent-cyan);display:block;font-size:1.5rem;margin-bottom:5px}.canvas-wrapper{background-color:var(--bg-canvas);background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:20px 20px;flex:1;overflow:hidden;position:relative}.canvas-toolbar{background:#1a1a1a;border:1px solid #333;border-radius:6px;box-shadow:0 4px 12px rgba(0,0,0,.5);display:flex;gap:15px;left:50%;padding:8px 12px;position:absolute;top:20px;transform:translateX(-50%);z-index:20}.tool-group{gap:5px}.tool-btn,.tool-group{align-items:center;display:flex}.tool-btn{background:transparent;border:1px solid transparent;border-radius:4px;color:var(--text-secondary);cursor:pointer;height:32px;justify-content:center;min-width:32px;padding:0 8px;transition:all .2s;white-space:nowrap}.tool-btn i{font-size:1rem}.tool-btn.danger{gap:6px}#zoom-level{background:hsla(0,0%,100%,.05);border:1px solid transparent;border-radius:4px;color:var(--text-secondary);cursor:pointer;font-size:.8rem;min-width:50px;padding:6px 10px;text-align:center;transition:all .2s;user-select:none}#zoom-level:hover{background:hsla(0,0%,100%,.15);border-color:hsla(0,0%,100%,.2);box-shadow:0 2px 4px rgba(0,0,0,.2);color:var(--text-primary)}#zoom-level:active{transform:translateY(1px)}.canvas-overlay-info{bottom:20px;display:flex;gap:10px;position:absolute;right:20px}.info-tag{background:#1a1a1a;border:1px solid #333;border-radius:4px;color:var(--text-secondary);font-size:.75rem;padding:5px 10px}.cart-items{flex:1;overflow-y:auto;padding:10px}.cart-item{background:hsla(0,0%,100%,.02);border-bottom:1px solid var(--border-color);display:flex;font-size:.85rem;justify-content:space-between;padding:10px}.cart-item-info strong{color:var(--text-primary);display:block;margin-bottom:2px}.cart-item-info span{color:var(--text-secondary);font-size:.75rem}.cart-item-price{color:var(--accent-cyan);text-align:right}.empty-state{color:var(--text-secondary);padding:40px 20px;text-align:center}.empty-state i{font-size:2rem;margin-bottom:10px;opacity:.5}.badge{background:var(--accent-cyan);border-radius:10px;color:#000;font-size:.75rem;font-weight:700;padding:2px 8px}.cart-footer{background:#242424;border-top:1px solid #333;padding:20px}.cart-total{align-items:center;display:flex;font-size:.9rem;justify-content:space-between;margin-bottom:15px}.cart-total .price{color:var(--accent-cyan);font-size:1.2rem;font-weight:700}.full-width{width:100%}@media (max-width:768px){#app-container,.workspace{height:auto}.workspace{flex-direction:column}.sidebar{height:auto;overflow:visible;width:100%}.canvas-wrapper{height:60vh}}