:root{--bg: #fafaf8;--surface: #ffffff;--border: #e8e6e1;--border-strong: #d6d3cc;--text: #1c1b18;--text-2: #6f6c64;--text-3: #9c988e;--accent: #1841bb;--accent-hover: #12339a;--accent-soft: #eef2fc;--green: #16a34a;--amber: #b45309;--amber-soft: #fef3e2;--red: #dc2626;--red-soft: #fdf0ef;--radius: 10px;--shadow: 0 1px 2px rgba(28, 27, 24, .05);--shadow-lg: 0 8px 30px rgba(28, 27, 24, .12)}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none;-webkit-text-size-adjust:100%;text-size-adjust:100%;touch-action:pan-x pan-y}button{font-family:inherit;cursor:pointer}input,select{font-family:inherit}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.02em}.brand-logo{height:36px;width:auto;display:block}.login-logo{height:56px;width:auto;display:block;margin:0 auto 4px}.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}.brand-sub{font-weight:500;color:var(--text-3);font-size:13px;margin-left:2px}.nav{display:flex;gap:4px;margin-left:8px;min-width:0;overflow-x:auto;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav button{background:none;border:none;padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;flex-shrink:0}.nav button:hover{background:var(--bg);color:var(--text)}.nav button.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:12px}.user-email{font-size:13px;color:var(--text-3)}.main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:28px 24px 80px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius);font-size:14px;font-weight:600;padding:10px 18px;border:1px solid transparent;transition:background .15s,border-color .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border-strong)}.btn-ghost:hover{background:var(--bg)}.btn-sm{padding:6px 12px;font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:400px;padding:36px}.auth-card h1{font-size:22px;font-weight:700;letter-spacing:-.02em;margin:18px 0 6px}.auth-card .sub{color:var(--text-2);font-size:14px;margin-bottom:24px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field input{width:100%;padding:10px 12px;border:1px solid var(--border-strong);border-radius:var(--radius);font-size:14px;background:var(--surface);transition:border-color .15s,box-shadow .15s}.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #1841bb1f}.field .hint{font-size:12px;color:var(--text-3);margin-top:4px}.error-box{background:var(--red-soft);color:var(--red);font-size:13px;padding:10px 12px;border-radius:8px;margin-bottom:16px}.ok-box{background:var(--accent-soft);color:var(--accent);font-size:13px;padding:10px 12px;border-radius:8px;margin-bottom:16px}.page-head{margin-bottom:20px}.page-head h1{font-size:24px;font-weight:700;letter-spacing:-.03em}.page-head p{color:var(--text-2);font-size:14px;margin-top:2px}.searchbox{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border-strong);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);margin-bottom:16px}.searchbox:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #1841bb1f}.searchbox svg{flex-shrink:0;color:var(--text-3)}.searchbox input{flex:1;border:none;outline:none;font-size:16px;background:transparent}.searchbox input::placeholder{color:var(--text-3)}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.chip{border:1px solid var(--border-strong);background:var(--surface);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:500;color:var(--text-2);transition:all .12s}.chip:hover{border-color:var(--accent);color:var(--accent)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.chip .count{opacity:.65;font-weight:400;margin-left:4px;font-size:12px}.result-meta{font-size:13px;color:var(--text-3);margin-bottom:12px}.product-list{display:flex;flex-direction:column;gap:10px}.product-card{padding:16px 20px;cursor:pointer;transition:border-color .12s,box-shadow .12s}.product-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-lg)}.pc-top{display:flex;align-items:flex-start;gap:16px}.pc-info{flex:1;min-width:0}.pc-name{font-weight:600;font-size:15px;letter-spacing:-.01em}.pc-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;align-items:center}.tag{font-size:12px;font-weight:600;padding:2px 9px;border-radius:6px;background:var(--bg);border:1px solid var(--border);color:var(--text-2)}.tag.cat{background:var(--accent-soft);border-color:transparent;color:var(--accent)}.tag.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:500}.pc-price{text-align:right;flex-shrink:0}.pc-price .label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);font-weight:600}.pc-price .value{font-size:20px;font-weight:700;letter-spacing:-.02em}.pc-price .stock{font-size:12px;margin-top:2px;font-weight:600}.stock-ok{color:var(--green)}.stock-low{color:var(--amber)}.stock-out{color:var(--red)}.breakdown{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border-strong)}.breakdown-title{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);font-weight:700;margin-bottom:12px}.bd-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.bd-step{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 14px;position:relative}.bd-step.final{background:var(--accent-soft);border-color:var(--accent)}.bd-step .s-label{font-size:12px;font-weight:600;color:var(--text-2)}.bd-step .s-formula{font-size:11px;color:var(--text-3);font-family:ui-monospace,Menlo,monospace;margin-top:1px}.bd-step .s-value{font-size:17px;font-weight:700;margin-top:6px;letter-spacing:-.01em}.bd-step.final .s-value{color:var(--accent)}.bd-extra{display:flex;gap:18px;margin-top:12px;font-size:13px;color:var(--text-2);flex-wrap:wrap}.bd-extra strong{color:var(--text);font-weight:600}.dropzone{border:2px dashed var(--border-strong);border-radius:14px;padding:56px 24px;text-align:center;background:var(--surface);transition:all .15s;cursor:pointer}.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:var(--accent-soft)}.dropzone .dz-icon{font-size:36px;margin-bottom:10px}.dropzone h3{font-size:16px;font-weight:700;margin-bottom:4px}.dropzone p{font-size:13px;color:var(--text-2)}.progress-wrap{margin-top:20px}.progress-bar{height:8px;background:var(--border);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .2s}.progress-text{font-size:13px;color:var(--text-2);margin-top:8px}.setup-code{background:#1c1b18;color:#e8e6e1;font-family:ui-monospace,Menlo,monospace;font-size:12.5px;padding:14px 16px;border-radius:10px;overflow-x:auto;white-space:pre;line-height:1.6;margin:10px 0 18px}.section-title{font-size:16px;font-weight:700;letter-spacing:-.01em;margin-bottom:4px}.section-sub{font-size:13px;color:var(--text-2);margin-bottom:16px}.new-user-form{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;padding:16px;background:var(--bg);border:1px solid var(--border);border-radius:10px;margin-bottom:18px}.user-list{display:flex;flex-direction:column}.user-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 4px;border-bottom:1px solid var(--border);flex-wrap:wrap}.user-row:last-child{border-bottom:none}.user-mail{font-weight:600;font-size:14px;display:flex;align-items:center;flex-wrap:wrap}.user-meta{font-size:12.5px;color:var(--text-3);margin-top:1px}.user-actions{display:flex;gap:8px}.btn-danger{color:var(--red);border-color:#f3c8c5}.btn-danger:hover{background:var(--red-soft)}.empty-state{text-align:center;padding:64px 24px;color:var(--text-3)}.empty-state .big{font-size:40px;margin-bottom:12px}.empty-state h3{color:var(--text);font-size:17px;font-weight:700;margin-bottom:4px}.empty-state p{font-size:14px}.spinner{width:22px;height:22px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 640px){.topbar{padding:0 12px;gap:8px;height:54px}.brand-sub,.user-email{display:none}.brand-logo{height:26px}.nav{margin-left:0;gap:2px}.nav button{padding:7px 10px;font-size:13px}.topbar-right{gap:8px}.nav-extra{display:none}.btn-sm{padding:6px 10px}.main{padding:18px 14px 60px}.pc-top{flex-direction:column;gap:8px}.pc-price{text-align:left}}