:root {
  --bg:#f0f2f5; --surface:#fff; --border:#e2e5ea; --text:#111827; --text2:#6b7280;
  --primary:#4f46e5; --primary-hover:#4338ca; --primary-light:#eef2ff; --primary-bg:#eef2ff;
  --green-bg:#ecfdf5; --green-text:#065f46; --green-dot:#10b981;
  --yellow-bg:#fffbeb; --yellow-text:#92400e; --yellow-dot:#f59e0b;
  --red-bg:#fef2f2; --red-text:#991b1b; --red-dot:#ef4444;
  --radius:12px; --radius-sm:8px;
  --shadow:0 1px 3px rgba(0,0,0,.04),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px rgba(0,0,0,.04),0 2px 4px rgba(0,0,0,.06);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Microsoft YaHei',sans-serif;
  --hover-bg:#f9fafb;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.55;min-height:100vh}
.app{max-width:1320px;margin:0 auto;padding:28px 24px 80px}

.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:14px}
.app-header h1{font-size:24px;font-weight:700;letter-spacing:-.4px;display:flex;align-items:center;gap:10px}
.app-header h1 .dot{width:10px;height:10px;border-radius:50%;background:var(--green-dot);display:inline-block;box-shadow:0 0 0 3px rgba(16,185,129,.2)}
.stats-row{display:flex;gap:12px;flex-wrap:wrap}
.stat-pill{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:8px 16px;font-size:12px;font-weight:600;display:flex;align-items:center;gap:8px;white-space:nowrap;box-shadow:var(--shadow)}
.stat-pill .val{color:var(--primary);font-size:16px;font-weight:700}

.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);padding:22px 26px;margin-bottom:18px;transition:box-shadow .2s}
.card:hover{box-shadow:var(--shadow-md)}
.card-header{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.card-header .step{width:28px;height:28px;border-radius:50%;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.card-title{font-size:15px;font-weight:700;color:var(--text)}

.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:14px}
.form-grid-2{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:11px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.5px}
.field input,.field select{padding:10px 13px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:13px;outline:none;background:var(--surface);color:var(--text);transition:all .2s;font-family:var(--font)}
.field input:hover,.field select:hover{border-color:#c4c7cc}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.field input::placeholder{color:#c4c7cc}
.field-row{display:flex;align-items:end;gap:8px}
.field-row .field{margin-bottom:0}
.divider{height:1px;background:var(--border);margin:16px 0}

.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;border:none;cursor:pointer;transition:all .2s;font-family:var(--font);white-space:nowrap;letter-spacing:.1px}
.btn-sm{padding:7px 13px;font-size:12px}
.btn-xs{padding:4px 9px;font-size:11px;border-radius:5px;gap:3px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 4px 12px rgba(79,70,229,.3);transform:translateY(-1px)}
.btn-outline{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}
.btn-outline:hover{background:var(--hover-bg);border-color:#c4c7cc}
.btn-danger{background:#ef4444;color:#fff}
.btn-danger:hover{background:#dc2626;box-shadow:0 4px 12px rgba(239,68,68,.3)}
.btn-success{background:#10b981;color:#fff}
.btn-success:hover{background:#059669;box-shadow:0 4px 12px rgba(16,185,129,.3)}
.btn-ghost{background:transparent;color:var(--text2);border:none;padding:4px 8px}
.btn-ghost:hover{color:var(--text);background:var(--hover-bg)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn:active:not(:disabled){transform:scale(.97)}

.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:10px}
.toolbar-l,.toolbar-r{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.table-shell{max-height:520px;overflow-y:auto;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);scroll-behavior:smooth}
.table-shell::-webkit-scrollbar{width:6px}
.table-shell::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}
table{width:100%;border-collapse:collapse;font-size:13px}
thead{position:sticky;top:0;z-index:2}
thead th{text-align:left;padding:11px 14px;border-bottom:2px solid var(--border);font-weight:700;color:var(--text2);font-size:11px;text-transform:uppercase;letter-spacing:.4px;background:linear-gradient(to bottom,#fafbfc,#f5f6f8)}
tbody td{padding:10px 14px;border-bottom:1px solid #f3f4f6;vertical-align:middle}
tbody tr{transition:background .15s}
tbody tr:nth-child(even){background:#fafbfc}
tbody tr:hover{background:#eef2ff}
.prod-cell{display:flex;align-items:center;gap:10px;max-width:360px}
.prod-cell img{width:40px;height:40px;border-radius:8px;object-fit:cover;background:#f3f4f6;border:1px solid var(--border);flex-shrink:0}
.prod-cell .info{overflow:hidden}
.prod-cell .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prod-cell .pid{color:var(--text2);font-size:11px}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:20px;font-size:11px;font-weight:700}
.badge::before{content:'';width:7px;height:7px;border-radius:50%;flex-shrink:0}
.badge-none{background:#f3f4f6;color:var(--text2)} .badge-none::before{background:#d1d5db}
.badge-ok{background:var(--green-bg);color:var(--green-text)} .badge-ok::before{background:var(--green-dot)}
.badge-working{background:var(--yellow-bg);color:var(--yellow-text)} .badge-working::before{background:var(--yellow-dot)}
.badge-fail{background:var(--red-bg);color:var(--red-text)} .badge-fail::before{background:var(--red-dot)}
.code-cell{display:flex;align-items:center;gap:4px;font-family:'SF Mono','Cascadia Code','Consolas',monospace;font-size:12px;font-weight:600;color:var(--primary)}
.copy-btn{opacity:0;transition:all .15s;cursor:pointer;background:none;border:none;font-size:14px;padding:2px 5px;border-radius:4px;color:var(--text2)}
tr:hover .copy-btn,.copy-btn.copied{opacity:1}
.copy-btn:hover{background:#eef2ff;color:var(--primary)}
.copy-btn.copied{color:var(--green-text)}
.toggle-btn{opacity:0;transition:all .15s;cursor:pointer;background:none;border:none;font-size:12px;padding:2px 5px;border-radius:4px;color:var(--text2)}
tr:hover .toggle-btn{opacity:1}
.toggle-btn:hover{background:var(--hover-bg);color:var(--text)}
.toggle-btn.disabled{color:#f59e0b}
#editProductList tr.selected-row{background:var(--primary-bg)}
#editProductList tr:hover{background:var(--primary-light)}
.price-cell{font-family:'SF Mono','Cascadia Code','Consolas',monospace;font-size:12px;color:var(--text2)}

.toast{position:fixed;bottom:32px;right:32px;padding:14px 24px;border-radius:var(--radius);color:#fff;font-size:13px;font-weight:600;z-index:1000;opacity:0;transform:translateY(12px);transition:all .3s;pointer-events:none;box-shadow:0 8px 32px rgba(0,0,0,.18)}
.toast.show{opacity:1;transform:translateY(0);pointer-events:auto}
.toast-success{background:#059669}
.toast-error{background:#ef4444}
.toast-info{background:var(--primary)}

.loading-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:1001;align-items:center;justify-content:center;backdrop-filter:blur(2px)}
.loading-overlay.show{display:flex}
.loading-box{background:var(--surface);border-radius:16px;padding:36px 44px;text-align:center;box-shadow:0 24px 64px rgba(0,0,0,.18)}
.loading-box .spinner-big{width:40px;height:40px;border:3px solid #e5e7eb;border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 16px}
.loading-box .loading-text{font-size:14px;font-weight:600;color:var(--text)}

.spinner{display:inline-block;width:16px;height:16px;border:2.5px solid rgba(99,102,241,.25);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

input[type="checkbox"]{width:17px;height:17px;cursor:pointer;accent-color:var(--primary);border-radius:4px}
.inline-toggle{display:flex;align-items:center;gap:7px;font-size:13px;cursor:pointer;user-select:none}
.inline-toggle input{margin:0}

.summary-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.summary-box{flex:1;min-width:100px;padding:20px;border-radius:var(--radius);border:1px solid var(--border);text-align:center;background:#fafbfc;transition:transform .2s,box-shadow .2s}
.summary-box:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.summary-box .n{font-size:30px;font-weight:700;letter-spacing:-1px;line-height:1}
.summary-box .l{font-size:11px;color:var(--text2);margin-top:8px;text-transform:uppercase;font-weight:700;letter-spacing:.4px}
.summary-box.hit{border-color:#a7f3d0;background:#f0fdf4} .summary-box.hit .n{color:var(--green-text)}
.summary-box.miss{border-color:#fecaca;background:#fef2f2} .summary-box.miss .n{color:var(--red-text)}

.progress-row{display:flex;align-items:center;gap:14px;margin:12px 0;font-size:13px;font-weight:600;color:var(--text2)}
.progress-bar{height:8px;border-radius:4px;background:#e5e7eb;overflow:hidden;flex:1}
.progress-fill{height:100%;background:linear-gradient(to right,var(--primary),#818cf8);transition:width .4s ease;border-radius:4px}

.hint{font-size:12px;color:var(--text2);padding:12px 16px;background:#f8fafc;border-radius:var(--radius-sm);border-left:3px solid var(--primary);line-height:1.7;margin-top:12px}
.hint code{background:var(--primary-light);color:var(--primary);padding:2px 6px;border-radius:4px;font-size:11px;font-weight:600}

.dropdown{position:relative;flex:1;min-width:200px}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;right:0;max-height:220px;overflow-y:auto;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-sm);z-index:100;box-shadow:0 12px 32px rgba(0,0,0,.1);margin-top:4px}

.nav{display:flex;gap:0;margin-bottom:24px;background:var(--surface);border-radius:var(--radius);border:1.5px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}
.nav-item{flex:1;padding:13px 20px;text-align:center;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;color:var(--text2);border-bottom:3px solid transparent;background:transparent;font-family:var(--font);border-top:none;border-left:none;border-right:none;outline:none}
.nav-item:hover{background:var(--hover-bg);color:var(--text)}
.nav-item.active{color:var(--primary);border-bottom-color:var(--primary);background:var(--primary-light)}

.empty{text-align:center;padding:56px 20px;color:var(--text2)}
.empty .icon{font-size:40px;margin-bottom:10px;opacity:.5}

@media(max-width:768px){.form-grid{grid-template-columns:1fr 1fr}.toolbar{flex-direction:column;align-items:flex-start}}

.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:999;align-items:center;justify-content:center;backdrop-filter:blur(2px)}
.modal-overlay.show{display:flex}
.modal{background:var(--surface);border-radius:var(--radius);box-shadow:0 24px 64px rgba(0,0,0,.2);padding:28px;width:90%;max-width:560px;max-height:90vh;overflow-y:auto;animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-title{font-size:18px;font-weight:700;margin-bottom:20px;color:var(--text)}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}

.pagination{display:flex;align-items:center;gap:10px;font-size:13px}
.pagination button{padding:6px 12px;border:1.5px solid var(--border);border-radius:6px;background:var(--surface);cursor:pointer;font-size:12px;transition:all .15s}
.pagination button:hover:not(:disabled){background:var(--hover-bg);border-color:#c4c7cc}
.pagination button:disabled{opacity:.3;cursor:not-allowed}
.pagination select{padding:6px 10px;border:1.5px solid var(--border);border-radius:6px;font-size:12px}

.chart-wrap{position:relative;height:220px;margin-top:14px}
.chart-wrap canvas{width:100%;height:100%}