:root{--primary:#6c63ff;--accent:#f18f01;--bg:#0f0f13;--surface:#1a1a24;--surface2:#222230;--border:#2a2a3a;--text:#e8e8f0;--text-muted:#8888a0;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--radius:8px;--sidebar-width:240px}*{box-sizing:border-box;margin:0;padding:0}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);min-height:100vh;background:var(--surface);border-right:1px solid var(--border);padding:1.5rem 0;flex-shrink:0;position:relative;z-index:40}.main-content{flex:1 1;padding:2rem;overflow-x:hidden;max-width:calc(100vw - var(--sidebar-width));min-width:0}.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:39}.hamburger-btn{display:none;position:fixed;top:.875rem;left:.875rem;z-index:50;width:40px;height:40px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}.hamburger-btn span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:all .2s}.hamburger-btn.open span:first-child{transform:rotate(45deg) translate(5px,5px)}.hamburger-btn.open span:nth-child(2){opacity:0}.hamburger-btn.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.sidebar-footer{position:absolute;bottom:1rem;left:0;right:0;padding:0 1.5rem}.nav-logo{padding:0 1.5rem 1.5rem;border-bottom:1px solid var(--border);margin-bottom:.5rem}.nav-logo img{height:32px}.nav-logo-text{font-size:1.1rem;font-weight:700;color:var(--text)}.nav-section{padding:.5rem 0}.nav-section-title{padding:.5rem 1.5rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.625rem 1.5rem;color:var(--text-muted);cursor:pointer;transition:all .15s;font-size:.875rem;border:none;background:none;width:100%;text-align:left}.nav-item.active,.nav-item:hover{color:var(--text);background:var(--surface2)}.nav-item.active{border-right:2px solid var(--primary)}.nav-item .icon{width:18px;text-align:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}.card-sm{padding:1rem}.card-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;border-bottom:1px solid var(--border);margin:-1.5rem -1.5rem 1rem}.card-title{font-size:.875rem;font-weight:600;color:var(--text);margin:0}.card-value{font-size:1.75rem;font-weight:700}.card-subtitle{font-size:.75rem;color:var(--text-muted);margin-top:.25rem}.metric-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.metric-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.5rem}.metric-value{font-size:1.5rem;font-weight:700}.metric-sub{font-size:.75rem;color:var(--text-muted);margin-top:.25rem}.grid-2{grid-template-columns:repeat(2,1fr);grid-gap:1rem}.grid-2,.grid-3{display:grid;gap:1rem}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:1rem}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:1rem;gap:1rem}.page-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}.page-title{font-size:1.375rem;font-weight:600}.page-subtitle{font-size:.875rem;color:var(--text-muted);margin-top:.25rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius);border:none;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .15s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){opacity:.9}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-sm{padding:.375rem .75rem;font-size:.8rem}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}.badge{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:999px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-green{background:rgba(34,197,94,.15);color:#22c55e}.badge-yellow{background:rgba(245,158,11,.15);color:#f59e0b}.badge-red{background:rgba(239,68,68,.15);color:#ef4444}.badge-blue{background:rgba(108,99,255,.15);color:#6c63ff}.badge-gray{background:rgba(136,136,160,.15);color:var(--text-muted)}.badge-purple{background:rgba(168,85,247,.15);color:#a855f7}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}td,th{padding:.75rem 1rem;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface2)}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:.375rem;font-weight:500}input,select,textarea{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:.5rem .75rem;width:100%;font-size:.875rem;transition:border-color .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}input::placeholder,textarea::placeholder{color:var(--text-muted)}select option{background:var(--surface2)}.form-row{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:1rem;gap:1rem}.alert{padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.875rem}.alert-warning{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);color:var(--warning)}.alert-danger{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:var(--danger)}.alert-success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:var(--success)}.alert-info{background:rgba(108,99,255,.1);border:1px solid rgba(108,99,255,.3);color:var(--primary)}.loading{display:flex;align-items:center;justify-content:center;padding:4rem;color:var(--text-muted)}.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.tabs{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:1.5rem;overflow-x:auto}.tab{padding:.75rem 1.25rem;cursor:pointer;color:var(--text-muted);border-bottom:2px solid transparent;font-size:.875rem;font-weight:500;transition:all .15s;white-space:nowrap}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.steps{gap:0;margin-bottom:2rem;overflow-x:auto}.step,.steps{display:flex;align-items:center}.step{gap:.5rem;font-size:.8rem;color:var(--text-muted);white-space:nowrap}.step-num{width:28px;height:28px;border-radius:50%;background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;flex-shrink:0}.step.active .step-num{background:var(--primary);border-color:var(--primary);color:#fff}.step.done .step-num{background:var(--success);border-color:var(--success);color:#fff}.step-divider{flex:1 1;height:1px;background:var(--border);min-width:40px;margin:0 .5rem}.product-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;cursor:pointer;transition:all .15s}.product-card.selected,.product-card:hover{border-color:var(--primary)}.product-card.selected{background:rgba(108,99,255,.05)}.product-icon{font-size:1.5rem;margin-bottom:.5rem}.product-name{font-weight:600;font-size:.9rem;margin-bottom:.25rem}.product-desc{font-size:.8rem;color:var(--text-muted);line-height:1.4}.product-price{margin-top:.75rem;font-size:.8rem}.product-price strong{color:var(--text)}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:1rem}.empty-state h3{font-size:1rem;margin-bottom:.5rem;color:var(--text)}.stat-row{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid var(--border)}.stat-row:last-child{border-bottom:none}.stat-label{font-size:.8rem;color:var(--text-muted)}.stat-value{font-weight:600}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;flex-wrap:wrap;gap:.5rem}.section-title{font-size:1rem;font-weight:600}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:1rem}.login-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2rem}.login-logo{text-align:center;margin-bottom:2rem}.login-title{font-size:1.25rem;font-weight:700;margin-bottom:.25rem}.login-subtitle{font-size:.8rem;color:var(--text-muted);margin-bottom:1.5rem}@media (max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.main-content{padding:1.5rem}}@media (max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.hamburger-btn{display:flex}.sidebar{position:fixed;top:0;left:0;height:100vh;transform:translateX(-100%);transition:transform .25s ease;z-index:40;overflow-y:auto}.sidebar.sidebar-open{transform:translateX(0);box-shadow:4px 0 24px rgba(0,0,0,.4)}.nav-overlay.sidebar-open{display:block}.main-content{max-width:100%;padding:3.5rem 1rem 1rem}.sidebar-footer{position:static;margin-top:2rem}.page-title{font-size:1.125rem}.card-value{font-size:1.375rem}.metric-value{font-size:1.25rem}.form-row{grid-template-columns:1fr}.empty-state{padding:2.5rem 1rem}.steps{gap:0}.step-label{display:none}}@media (max-width:480px){.main-content{padding:3.5rem .75rem .75rem}.card,.metric-card{padding:1rem}.page-title{font-size:1rem}.page-header{margin-bottom:1rem}.btn-lg{padding:.625rem 1.125rem;font-size:.9rem}.table-container{margin:0 -.75rem}td,th{padding:.5rem .75rem}.login-card{padding:1.5rem}}