:root{--bg-base: #06080F;--bg-surface: #0C0F1A;--bg-card: #111527;--bg-hover: #161B30;--bg-input: #0F1221;--border: #1A2040;--border-light: #232B4A;--border-focus: #4F7FFF;--primary: #4F7FFF;--primary-glow: rgba(79, 127, 255, .18);--primary-light: #7BA3FF;--primary-dark: #3060DD;--success: #2DD4BF;--success-bg: rgba(45, 212, 191, .1);--warning: #FFB547;--warning-bg: rgba(255, 181, 71, .1);--danger: #FF6B6B;--danger-bg: rgba(255, 107, 107, .1);--info: #67E8F9;--info-bg: rgba(103, 232, 249, .1);--text-primary: #E8EEFF;--text-secondary: #8899CC;--text-muted: #4D6080;--text-inverse: #060810;--sidebar-width: 260px;--sidebar-bg: #080B16;--sidebar-border: #131928;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0,0,0,.4);--shadow: 0 4px 24px rgba(0,0,0,.5);--shadow-lg: 0 8px 48px rgba(0,0,0,.6);--shadow-glow: 0 0 24px rgba(79, 127, 255, .3);--ease: cubic-bezier(.4, 0, .2, 1);--duration: .18s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Manrope,-apple-system,sans-serif;background:var(--bg-base);color:var(--text-primary);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:Syne,sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.2}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform var(--duration) var(--ease)}.sidebar-brand{padding:28px 24px 24px;border-bottom:1px solid var(--sidebar-border)}.brand-logo{display:flex;align-items:center;gap:10px;text-decoration:none}.brand-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary) 0%,#7C3AED 100%);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 16px #4f7fff66}.brand-name{font-family:Syne,sans-serif;font-weight:800;font-size:20px;color:var(--text-primary);letter-spacing:-.03em}.brand-name span{color:var(--primary)}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.nav-section-label{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);padding:16px 12px 8px}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);text-decoration:none;color:var(--text-secondary);font-weight:500;font-size:13.5px;transition:all var(--duration) var(--ease);position:relative}.nav-link:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-link.active{background:var(--primary-glow);color:var(--primary-light);border:1px solid rgba(79,127,255,.2)}.nav-link.active:before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:3px;height:60%;background:var(--primary);border-radius:0 3px 3px 0}.nav-icon{width:18px;height:18px;flex-shrink:0;opacity:.8}.nav-link.active .nav-icon{opacity:1}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--sidebar-border)}.sidebar-footer-info{font-size:11px;color:var(--text-muted)}.sidebar-footer-info strong{color:var(--text-secondary);display:block;margin-bottom:2px}.main-content{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-height:100vh}.page-header{padding:32px 40px 0}.page-header-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.page-title{font-size:28px;color:var(--text-primary);margin-bottom:4px}.page-subtitle{font-size:13px;color:var(--text-muted)}.page-body{padding:28px 40px 40px;flex:1}.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:var(--radius-sm);font-family:Manrope,sans-serif;font-size:13.5px;font-weight:600;border:none;cursor:pointer;transition:all var(--duration) var(--ease);white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 12px #4f7fff59}.btn-primary:hover:not(:disabled){background:var(--primary-dark);box-shadow:0 4px 20px #4f7fff80;transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-light)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-focus)}.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(255,107,107,.2)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid transparent}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:12px}.btn-lg{padding:12px 24px;font-size:15px}.btn-icon-only{padding:7px;background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-sm)}.btn-icon-only:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-light)}.btn-icon-only.danger:hover:not(:disabled){background:var(--danger-bg);color:var(--danger);border-color:#ff6b6b4d}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.card-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.card-title{font-family:Syne,sans-serif;font-size:15px;font-weight:700;color:var(--text-primary)}.card-body{padding:24px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;position:relative;overflow:hidden;transition:transform var(--duration) var(--ease),box-shadow var(--duration) var(--ease)}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--stat-color, 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16px;text-align:left;font-family:Syne,sans-serif;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);white-space:nowrap}tbody tr{border-bottom:1px solid var(--border);transition:background var(--duration) var(--ease)}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--bg-hover)}td{padding:14px 16px;color:var(--text-primary);vertical-align:middle}.td-muted{color:var(--text-muted)}.td-mono{font-family:Courier New,monospace;font-size:12px;color:var(--text-secondary)}.form-group{margin-bottom:18px}.form-label{display:block;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:7px}.form-label span{color:var(--danger);margin-left:2px}.form-control{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-primary);font-family:Manrope,sans-serif;font-size:14px;transition:border-color var(--duration) var(--ease),box-shadow var(--duration) var(--ease);outline:none}.form-control::placeholder{color:var(--text-muted)}.form-control:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #4f7fff1f}.form-control:disabled{opacity:.5;cursor:not-allowed}select.form-control{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238899CC' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:36px;cursor:pointer}select.form-control option{background:var(--bg-card);color:var(--text-primary)}textarea.form-control{resize:vertical;min-height:90px}.form-error{font-size:12px;color:var(--danger);margin-top:5px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:99px;font-size:11.5px;font-weight:700;letter-spacing:.03em;white-space:nowrap}.badge-success{background:var(--success-bg);color:var(--success)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-danger{background:var(--danger-bg);color:var(--danger)}.badge-info{background:var(--info-bg);color:var(--info)}.badge-primary{background:var(--primary-glow);color:var(--primary-light)}.badge-muted{background:#4d608026;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#06080fd9;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .16s var(--ease)}.modal{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s var(--ease)}.modal-lg{max-width:720px}.modal-xl{max-width:860px}.modal-header{padding:24px 28px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;background:var(--bg-card);z-index:1}.modal-title{font-size:18px;font-weight:700;color:var(--text-primary)}.modal-close{width:32px;height:32px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;transition:all var(--duration) var(--ease);flex-shrink:0}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-light)}.modal-body{padding:28px}.modal-footer{padding:20px 28px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:flex-end;gap:10px}.toast-container{position:fixed;bottom:28px;right:28px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{display:flex;align-items:center;gap:12px;padding:14px 18px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:300px;max-width:420px;pointer-events:all;animation:toastIn .28s var(--ease);border-left:3px solid var(--toast-color, var(--primary))}.toast.exiting{animation:toastOut .22s var(--ease) forwards}.toast-icon{font-size:18px;flex-shrink:0}.toast-content{flex:1}.toast-title{font-weight:700;font-size:13px;color:var(--text-primary);margin-bottom:1px}.toast-message{font-size:12px;color:var(--text-secondary)}.toast-success{--toast-color: var(--success)}.toast-error{--toast-color: var(--danger)}.toast-warning{--toast-color: var(--warning)}.toast-info{--toast-color: var(--primary)}.search-wrap{position:relative;width:100%;max-width:320px}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.search-input{width:100%;padding:9px 14px 9px 38px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:Manrope,sans-serif;font-size:13px;outline:none;transition:border-color var(--duration) var(--ease)}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--border-focus)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:10px}.order-items-section{margin-top:8px}.order-item-row{display:grid;grid-template-columns:1fr 100px auto;gap:10px;align-items:center;padding:10px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px}.order-total-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--primary-glow);border:1px solid rgba(79,127,255,.25);border-radius:var(--radius-sm);margin-top:12px}.order-total-label{font-weight:700;color:var(--primary-light);font-size:13px}.order-total-value{font-family:Syne,sans-serif;font-size:20px;font-weight:800;color:var(--primary-light)}.empty-state{text-align:center;padding:60px 24px}.empty-icon{font-size:48px;margin-bottom:16px;opacity:.4}.empty-title{font-size:17px;font-weight:700;color:var(--text-secondary);margin-bottom:6px}.empty-desc{font-size:13px;color:var(--text-muted);max-width:280px;margin:0 auto 20px}.low-stock-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.low-stock-item{padding:14px 16px;background:#ffb5470f;border:1px solid rgba(255,181,71,.2);border-radius:var(--radius);display:flex;align-items:center;gap:12px}.low-stock-dot{width:8px;height:8px;border-radius:50%;background:var(--warning);flex-shrink:0;box-shadow:0 0 8px var(--warning)}.low-stock-dot.critical{background:var(--danger);box-shadow:0 0 8px var(--danger)}.low-stock-name{font-weight:600;font-size:13px;color:var(--text-primary)}.low-stock-sku{font-size:11px;color:var(--text-muted);font-family:monospace}.low-stock-qty{margin-left:auto;font-weight:800;font-size:15px;color:var(--warning)}.low-stock-qty.critical{color:var(--danger)}.spinner-wrap{display:flex;align-items:center;justify-content:center;padding:60px}.spinner{width:36px;height:36px;border:3px solid var(--border-light);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}.confirm-dialog{max-width:400px}.confirm-dialog .modal-body{text-align:center;padding:32px 28px 24px}.confirm-icon{font-size:40px;margin-bottom:16px}.confirm-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.confirm-message{font-size:13px;color:var(--text-secondary);line-height:1.6}.detail-section{margin-bottom:28px}.detail-section-title{font-family:Syne,sans-serif;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.detail-field-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:4px}.detail-field-value{font-size:14px;font-weight:500;color:var(--text-primary)}.stock-indicator{display:flex;align-items:center;gap:6px}.stock-bar{height:4px;width:48px;background:var(--border-light);border-radius:99px;overflow:hidden}.stock-bar-fill{height:100%;border-radius:99px;background:var(--success);transition:width .4s var(--ease)}.divider{height:1px;background:var(--border);margin:20px 0}.page-enter{animation:pageIn .24s var(--ease)}.mobile-nav-toggle{display:none;position:fixed;bottom:24px;right:24px;z-index:200;width:52px;height:52px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;font-size:20px;box-shadow:0 4px 20px #4f7fff66;align-items:center;justify-content:center}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:99}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes toastIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes toastOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (max-width: 1024px){:root{--sidebar-width: 240px}.page-body{padding:20px 28px 32px}.page-header{padding:24px 28px 0}}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:var(--shadow-lg)}.sidebar-overlay.visible{display:block}.main-content{margin-left:0}.mobile-nav-toggle{display:flex}.page-body{padding:16px 16px 80px}.page-header{padding:16px 16px 0}.page-header-inner,.toolbar{flex-direction:column;align-items:flex-start}.search-wrap{max-width:100%}.stat-grid{grid-template-columns:1fr 1fr}.form-row,.detail-grid{grid-template-columns:1fr}.modal{border-radius:var(--radius-lg)}.modal-xl{max-width:100%}.order-item-row{grid-template-columns:1fr auto auto}}@media (max-width: 480px){.stat-grid,.low-stock-grid{grid-template-columns:1fr}}