:root{--bg: #f7f8fa;--card: #ffffff;--border: #e4e7ec;--text: #1a2027;--muted: #6b7280;--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--green: #16a34a;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:.4em 0}hr{border:none;border-top:1px solid var(--border);margin:.75rem 0}.container{max-width:1080px;margin:0 auto;padding:1.5rem 1rem 4rem}.center{text-align:center;padding:3rem 1rem}.muted{color:var(--muted)}.small{font-size:.85rem}.mono{font-family:ui-monospace,monospace}.navbar{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.nav-inner{max-width:1080px;margin:0 auto;padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between}.brand{font-size:1.25rem;font-weight:700;color:var(--text)}.nav-links{display:flex;align-items:center;gap:1rem}.nav-links a{color:var(--text);font-weight:500}.nav-links a.active{color:var(--primary)}.nav-user{color:var(--muted);font-size:.9rem}.cart-link{position:relative}.cart-badge{background:var(--primary);color:#fff;border-radius:999px;font-size:.7rem;padding:.05rem .4rem;margin-left:.25rem}.btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:.55rem 1rem;font-size:.95rem;font-weight:600;cursor:pointer}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.full{width:100%}.btn.danger{background:var(--danger)}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:.9rem;padding:0}.link-btn.danger{color:var(--danger)}input,select,textarea{font:inherit;padding:.5rem .6rem;border:1px solid var(--border);border-radius:8px;background:#fff;width:100%}label{display:block;font-size:.9rem;font-weight:500;margin-bottom:.6rem}label input,label select,label textarea{margin-top:.25rem}.stack>*{margin-bottom:.75rem}.form-row{display:flex;gap:.75rem}.form-row>*{flex:1}.checkbox{display:flex;align-items:center;gap:.5rem;font-weight:400}.checkbox input{width:auto}.error-banner{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:.6rem .8rem;border-radius:8px;margin:.5rem 0;font-size:.9rem}.notice{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;padding:.6rem .8rem;border-radius:8px;margin:.5rem 0}.notice.success{background:#f0fdf4;border-color:#bbf7d0;color:#15803d}.field-errors{color:var(--danger);font-size:.85rem;margin:0 0 .5rem;padding-left:1.2rem}.spinner{padding:2rem;text-align:center;color:var(--muted)}.toolbar{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}.search-form{display:flex;gap:.5rem;flex:1;min-width:240px}.search-form input{flex:1}.search-form button{white-space:nowrap}.filters{display:flex;gap:.5rem}.filters select{width:auto}.result-count{margin:0 0 .75rem}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.product-card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}.product-card-img,.detail-img,.cart-item-img{display:block}.product-card-img{aspect-ratio:4 / 3;background:#f1f5f9}.product-img{width:100%;height:100%;object-fit:cover}.img-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#94a3b8;background:#f1f5f9;font-size:.85rem}.product-card-body{padding:.75rem;display:flex;flex-direction:column;gap:.4rem;flex:1}.product-title{font-weight:600;color:var(--text)}.product-meta{font-size:.85rem;color:var(--muted)}.product-price-row{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.price{font-weight:700;font-size:1.05rem}.price.big{font-size:1.5rem}.stars{color:#f59e0b}.stars-count{color:var(--muted)}.badge{font-size:.7rem;padding:.1rem .45rem;border-radius:999px;background:#e0e7ff;color:#3730a3}.badge.low{background:#fef3c7;color:#92400e}.badge.out{background:#fee2e2;color:#b91c1c}.pagination{display:flex;align-items:center;justify-content:center;gap:1rem;margin:1.5rem 0}.pagination button{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:.4rem .8rem;cursor:pointer}.pagination button:disabled{opacity:.4;cursor:not-allowed}.back-link{display:inline-block;margin-bottom:1rem}.detail{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.detail-img{aspect-ratio:1;background:#f1f5f9;border-radius:12px;overflow:hidden}.add-row{display:flex;gap:.75rem;margin-top:1rem}.add-row input{width:80px}.reviews{margin-top:2.5rem}.review-form{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1rem;margin-bottom:1.5rem;display:flex;flex-direction:column;gap:.5rem;max-width:480px}.review-form select{width:auto}.review-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:1rem}.review-list li{border-bottom:1px solid var(--border);padding-bottom:.75rem}.review-head{display:flex;align-items:center;gap:.75rem;font-size:.9rem}.cart-layout,.checkout-layout,.order-grid{display:grid;grid-template-columns:1fr 320px;gap:1.5rem;align-items:start}.cart-items,.order-items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem}.cart-item,.order-items li{display:grid;grid-template-columns:64px 1fr auto auto auto;align-items:center;gap:.75rem;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:.6rem}.order-items li{grid-template-columns:64px 1fr auto}.cart-item-img{width:64px;height:64px;border-radius:8px;overflow:hidden;background:#f1f5f9}.cart-item-info{display:flex;flex-direction:column;gap:.2rem}.cart-item-qty{display:flex;align-items:center;gap:.5rem}.cart-item-qty button{width:28px;height:28px;border:1px solid var(--border);background:#fff;border-radius:6px;cursor:pointer}.cart-item-total{font-weight:600;min-width:70px;text-align:right}.cart-summary{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1rem;position:sticky;top:80px}.summary-row{display:flex;justify-content:space-between;margin:.4rem 0;font-size:.95rem}.summary-row.total{font-weight:700;font-size:1.1rem;border-top:1px solid var(--border);padding-top:.5rem;margin-top:.5rem}.cart-summary .btn{margin-top:.75rem}.cart-summary .link-btn{display:block;margin:.6rem auto 0}.auth-card{max-width:380px;margin:2rem auto;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.shipping-form{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.orders-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}.orders-table th,.orders-table td{padding:.65rem .8rem;text-align:left;border-bottom:1px solid var(--border);font-size:.92rem}.orders-table th{background:#f9fafb;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}.status{text-transform:capitalize;font-size:.8rem;padding:.15rem .55rem;border-radius:999px;font-weight:600}.status.pending{background:#fef9c3;color:#854d0e}.status.processing{background:#dbeafe;color:#1e40af}.status.shipped{background:#e0e7ff;color:#3730a3}.status.delivered{background:#dcfce7;color:#166534}.status.cancelled{background:#fee2e2;color:#b91c1c}.order-head{display:flex;align-items:center;gap:1rem}.tracker{list-style:none;display:flex;padding:0;margin:1.5rem 0;counter-reset:step}.tracker li{flex:1;text-align:center;position:relative;color:var(--muted);text-transform:capitalize;font-size:.85rem}.tracker li .dot{display:block;width:16px;height:16px;border-radius:50%;background:var(--border);margin:0 auto .4rem;position:relative;z-index:1}.tracker li:before{content:"";position:absolute;top:8px;left:-50%;width:100%;height:2px;background:var(--border)}.tracker li:first-child:before{display:none}.tracker li.done{color:var(--green);font-weight:600}.tracker li.done .dot{background:var(--green)}.tracker li.done:before{background:var(--green)}.ship-to{font-style:normal;line-height:1.5;color:var(--text);font-size:.9rem}.card-section{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem;margin-bottom:1.5rem;max-width:560px}.address-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:.6rem;margin-bottom:1rem}.address-list li{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:8px;padding:.6rem .8rem;font-size:.9rem}.address-actions{display:flex;gap:.75rem}.address-form{border-top:1px solid var(--border);padding-top:1rem}.admin{display:grid;grid-template-columns:200px 1fr;gap:1.5rem;align-items:start}.admin-sidebar{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1rem;position:sticky;top:80px}.admin-sidebar h3{margin-top:0}.admin-sidebar nav{display:flex;flex-direction:column;gap:.25rem;margin-bottom:1rem}.admin-sidebar nav a{color:var(--text);padding:.5rem .6rem;border-radius:8px;font-weight:500}.admin-sidebar nav a:hover{background:#f1f5f9;text-decoration:none}.admin-sidebar nav a.active{background:var(--primary);color:#fff}.back-to-shop{font-size:.85rem}.admin-content{min-width:0}.admin-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.admin-head select{width:auto}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.25rem;display:flex;flex-direction:column;gap:.25rem}.stat-value{font-size:1.6rem;font-weight:700}.stat-label{color:var(--muted);font-size:.85rem}.admin-cols{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.status-breakdown,.lowstock-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.status-breakdown li,.lowstock-list li{display:flex;align-items:center;justify-content:space-between}.admin-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-top:.5rem}.admin-table th,.admin-table td{padding:.55rem .7rem;text-align:left;border-bottom:1px solid var(--border);font-size:.9rem;vertical-align:middle}.admin-table th{background:#f9fafb;font-size:.75rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}.thumb{width:44px;height:44px;border-radius:6px;overflow:hidden;background:#f1f5f9}.thumb .img-placeholder{font-size:.6rem}.row-actions{display:flex;gap:.75rem;white-space:nowrap}.status-select{width:auto;text-transform:capitalize;font-weight:600}.status-select.delivered{color:#166534}.status-select.cancelled{color:#b91c1c}.form-narrow{max-width:560px}.form-actions{display:flex;align-items:center;gap:1rem}.image-strip{display:flex;gap:.5rem;margin:.4rem 0;flex-wrap:wrap}@media (max-width: 760px){.detail,.cart-layout,.checkout-layout,.order-grid,.admin,.admin-cols{grid-template-columns:1fr}.admin-sidebar{position:static}.admin-sidebar nav{flex-direction:row;flex-wrap:wrap}.cart-item{grid-template-columns:56px 1fr auto;grid-row-gap:.4rem}}