:root{--nx-bg-main: #0b0e14;--nx-bg-surface: #121721;--nx-bg-card: #181f2c;--nx-bg-hover: #222b3d;--nx-border: #263143;--nx-border-light: #334155;--nx-primary: #7c3aed;--nx-primary-hover: #8b5cf6;--nx-primary-light: rgba(124, 58, 237, .15);--nx-accent: #6366f1;--nx-success: #10b981;--nx-warning: #f59e0b;--nx-danger: #ef4444;--nx-text: #f8fafc;--nx-text-muted: #94a3b8;--nx-text-dark: #64748b;--nx-radius-sm: 6px;--nx-radius-md: 10px;--nx-radius-lg: 14px}*{box-sizing:border-box}.nexora-app-container{width:100vw;height:100vh;display:flex;flex-direction:column;background:var(--nx-bg-main);color:var(--nx-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow:hidden;-webkit-user-select:none;user-select:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--nx-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--nx-border-light)}.nexora-topnav{height:56px;background:var(--nx-bg-surface);border-bottom:1px solid var(--nx-border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:50;flex-shrink:0}.topnav-left{display:flex;align-items:center;gap:16px}.brand-badge{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;cursor:pointer}.brand-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--nx-primary),var(--nx-accent));border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 12px #7c3aed66}.brand-title{font-size:15px;font-weight:700;letter-spacing:-.02em}.brand-tag{font-size:10px;background:#7c3aed33;color:#a78bfa;padding:2px 6px;border-radius:4px;font-weight:600;margin-left:6px}.sheet-selector-tabs{display:flex;align-items:center;gap:6px;background:var(--nx-bg-main);padding:3px;border-radius:8px;border:1px solid var(--nx-border)}.sheet-tab-btn{background:transparent;border:none;color:var(--nx-text-muted);font-size:12px;font-weight:600;padding:4px 12px;border-radius:6px;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;gap:4px}.sheet-tab-btn.active{background:var(--nx-primary);color:#fff;box-shadow:0 2px 6px #7c3aed4d}.sheet-add-btn{background:transparent;border:none;color:var(--nx-text-muted);font-size:16px;width:26px;height:26px;border-radius:4px;display:flex;align-items:center;justify-content:center;cursor:pointer}.sheet-add-btn:hover{color:#fff;background:var(--nx-bg-card)}.topnav-center{display:flex;align-items:center;gap:8px}.topnav-right{display:flex;align-items:center;gap:10px}.nav-icon-btn{background:var(--nx-bg-card);border:1px solid var(--nx-border);color:var(--nx-text);padding:6px 12px;border-radius:8px;font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px;cursor:pointer;transition:all .15s ease}.nav-icon-btn:hover{background:var(--nx-bg-hover);border-color:var(--nx-border-light)}.nav-cta-btn{background:linear-gradient(135deg,var(--nx-primary),var(--nx-accent));border:none;color:#fff;padding:7px 16px;border-radius:8px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;cursor:pointer;box-shadow:0 2px 8px #7c3aed59;transition:all .2s ease}.nav-cta-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #7c3aed80}.nexora-main-body{flex:1;display:flex;overflow:hidden;position:relative}.nexora-left-sidebar{width:320px;background:var(--nx-bg-surface);border-right:1px solid var(--nx-border);display:flex;flex-direction:column;flex-shrink:0;z-index:20}.left-sidebar-nav{display:flex;border-bottom:1px solid var(--nx-border);background:var(--nx-bg-main)}.left-nav-item{flex:1;background:transparent;border:none;padding:12px 6px;color:var(--nx-text-muted);font-size:12px;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;border-bottom:2px solid transparent;transition:all .15s ease}.left-nav-item:hover{color:#fff;background:#ffffff05}.left-nav-item.active{color:#a78bfa;border-bottom-color:var(--nx-primary);background:var(--nx-bg-surface)}.left-content-area{flex:1;overflow-y:auto;padding:16px}.upload-dropzone{border:2px dashed var(--nx-border-light);border-radius:12px;padding:24px 16px;text-align:center;background:var(--nx-bg-card);cursor:pointer;transition:all .2s ease}.upload-dropzone:hover,.upload-dropzone.dragover{border-color:var(--nx-primary);background:#7c3aed14}.dropzone-icon{width:44px;height:44px;margin:0 auto 10px;color:#a78bfa}.cloud-import-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.cloud-btn{background:var(--nx-bg-card);border:1px solid var(--nx-border);color:var(--nx-text);padding:8px;border-radius:8px;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;transition:all .15s ease}.cloud-btn:hover{background:var(--nx-bg-hover);border-color:#475569}.library-search-box{margin-bottom:12px;position:relative}.library-search-input{width:100%;background:var(--nx-bg-card);border:1px solid var(--nx-border);color:#fff;padding:8px 10px 8px 32px;border-radius:8px;font-size:12px;outline:none}.library-search-input:focus{border-color:var(--nx-primary)}.library-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--nx-text-dark)}.library-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.library-card{background:var(--nx-bg-card);border:1px solid var(--nx-border);border-radius:8px;padding:8px;position:relative;cursor:pointer;transition:all .15s ease}.library-card:hover{border-color:var(--nx-primary);transform:translateY(-2px);box-shadow:0 4px 12px #0006}.library-thumb-wrap{height:90px;background:repeating-conic-gradient(#1e293b,#1e293b 25%,#0f172a 0%,#0f172a 50%) 50% / 12px 12px;border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:6px}.library-thumb-img{max-width:100%;max-height:100%;object-fit:contain}.library-item-title{font-size:11px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.library-dpi-tag{font-size:9px;font-weight:700;padding:1px 4px;border-radius:3px;display:inline-block}.nexora-center-workspace{flex:1;display:flex;flex-direction:column;background:#080a0f;position:relative;overflow:hidden}.canvas-top-toolbar{height:48px;background:var(--nx-bg-surface);border-bottom:1px solid var(--nx-border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:15}.toolbar-group{display:flex;align-items:center;gap:4px}.tool-btn{background:transparent;border:1px solid transparent;color:var(--nx-text-muted);width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease}.tool-btn:hover{background:var(--nx-bg-hover);color:#fff;border-color:var(--nx-border)}.tool-btn:disabled{opacity:.35;cursor:not-allowed}.tool-divider{width:1px;height:20px;background:var(--nx-border);margin:0 4px}.canvas-viewport-container{flex:1;position:relative;overflow:auto;display:flex;align-items:center;justify-content:center;padding:40px}.gang-sheet-canvas-wrapper{position:relative;box-shadow:0 10px 40px #000c,0 0 0 1px #334155;transition:transform .1s ease-out}.checkerboard-bg{background-image:linear-gradient(45deg,#1e2533 25%,transparent 25%),linear-gradient(-45deg,#1e2533 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#1e2533 75%),linear-gradient(-45deg,transparent 75%,#1e2533 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;background-color:#121824}.white-bg{background-color:#fff}.dark-bg{background-color:#0b0d14}.sheet-safety-margin-border{position:absolute;top:10px;left:10px;right:10px;bottom:10px;border:1px dashed rgba(167,139,250,.45);pointer-events:none;z-index:10}.canvas-dim-badge-w{position:absolute;top:-24px;left:50%;transform:translate(-50%);background:#1e293b;border:1px solid var(--nx-border);color:#94a3b8;font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;pointer-events:none;white-space:nowrap}.canvas-dim-badge-h{position:absolute;left:-32px;top:50%;transform:translateY(-50%) rotate(-90deg);background:#1e293b;border:1px solid var(--nx-border);color:#94a3b8;font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;pointer-events:none;white-space:nowrap}.nexora-right-sidebar{width:330px;background:var(--nx-bg-surface);border-left:1px solid var(--nx-border);display:flex;flex-direction:column;flex-shrink:0;z-index:20;overflow-y:auto}.panel-accordion{border-bottom:1px solid var(--nx-border)}.panel-header{padding:12px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;background:var(--nx-bg-surface);transition:background .15s ease}.panel-header:hover{background:var(--nx-bg-hover)}.panel-title{font-size:13px;font-weight:700;color:#e2e8f0;display:flex;align-items:center;gap:8px}.panel-body{padding:14px 16px;background:var(--nx-bg-main);border-top:1px solid var(--nx-border)}.panel-input-row{margin-bottom:12px}.panel-label{display:block;font-size:11px;font-weight:600;color:var(--nx-text-muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.03em}.panel-select,.panel-input{width:100%;background:var(--nx-bg-card);border:1px solid var(--nx-border);color:#fff;padding:8px 10px;border-radius:6px;font-size:12px;outline:none}.panel-select:focus,.panel-input:focus{border-color:var(--nx-primary)}.layer-item-row{display:flex;align-items:center;justify-content:space-between;padding:8px;background:var(--nx-bg-card);border:1px solid var(--nx-border);border-radius:6px;margin-bottom:6px;cursor:pointer;transition:all .15s ease}.layer-item-row:hover,.layer-item-row.active{border-color:var(--nx-primary);background:#7c3aed1a}.layer-left{display:flex;align-items:center;gap:8px;overflow:hidden}.layer-thumb{width:32px;height:32px;object-fit:contain;background:#0f172a;border-radius:4px;flex-shrink:0}.layer-actions{display:flex;align-items:center;gap:4px}.nexora-bottom-bar{height:64px;background:var(--nx-bg-surface);border-top:1px solid var(--nx-border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;z-index:50;flex-shrink:0}.bottom-stats-group{display:flex;align-items:center;gap:24px}.bottom-stat-item{display:flex;flex-direction:column}.stat-title{font-size:10px;text-transform:uppercase;color:var(--nx-text-muted);font-weight:600;letter-spacing:.04em}.stat-num-price{font-size:20px;font-weight:800;color:#10b981}.utilization-bar-wrap{width:140px;height:8px;background:var(--nx-bg-card);border-radius:4px;overflow:hidden;margin-top:4px}.utilization-progress{height:100%;background:linear-gradient(90deg,#7c3aed,#10b981);border-radius:4px;transition:width .3s ease}.bottom-actions-group{display:flex;align-items:center;gap:12px}.btn-secondary{background:var(--nx-bg-card);border:1px solid var(--nx-border);color:var(--nx-text);padding:10px 16px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .15s ease}.btn-secondary:hover{background:var(--nx-bg-hover);border-color:#475569}.btn-checkout{background:linear-gradient(135deg,#7c3aed,#6366f1);color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 4px 14px #7c3aed66;transition:all .2s ease}.btn-checkout:hover{transform:translateY(-1px);box-shadow:0 6px 20px #7c3aed8c}.nexora-modal-backdrop{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000d9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10000}.nexora-modal-content{background:var(--nx-bg-surface);border:1px solid var(--nx-border);border-radius:14px;width:90%;max-width:580px;box-shadow:0 20px 50px #0009;overflow:hidden}.modal-header{padding:16px 20px;border-bottom:1px solid var(--nx-border);display:flex;align-items:center;justify-content:space-between}.modal-body{padding:20px;max-height:75vh;overflow-y:auto}.modal-footer{padding:14px 20px;border-top:1px solid var(--nx-border);display:flex;justify-content:flex-end;gap:10px;background:var(--nx-bg-main)}