:root{--color-primary:#6366f1;--color-primary-dark:#4f46e5;--color-primary-light:#eef2ff;--color-primary-muted:#c7d2fe;--color-bg:#f8f9fc;--color-surface:#fff;--color-border:#e5e7eb;--color-border-light:#f3f4f6;--color-text:#111827;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-success:#22c55e;--color-success-bg:#f0fdf4;--color-success-border:#bbf7d0;--color-warning:#f59e0b;--color-warning-bg:#fffbeb;--color-warning-border:#fde68a;--color-danger:#ef4444;--color-danger-bg:#fef2f2;--color-danger-border:#fecaca;--color-info-bg:#eff6ff;--color-info-border:#bfdbfe;--color-info:#3b82f6;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #00000014, 0 2px 4px #0000000a;--shadow-lg:0 10px 30px #0000001a, 0 4px 8px #0000000d;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition:all .2s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-dark)}img{max-width:100%;display:block}.container{max-width:900px;margin:0 auto;padding:0 24px}.page{padding:40px 0 80px}.page-header{margin-bottom:32px}.page-header h1{color:var(--color-text);margin-bottom:6px;font-size:1.75rem;font-weight:700}.page-header p{color:var(--color-text-secondary);font-size:.95rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition);padding:28px}.card:hover{box-shadow:var(--shadow-md)}.card-title{color:var(--color-text);margin-bottom:4px;font-size:1rem;font-weight:600}.card-subtitle{color:var(--color-text-secondary);font-size:.85rem}.form-group{margin-bottom:20px}label{color:var(--color-text);margin-bottom:6px;font-size:.875rem;font-weight:500;display:block}label .label-hint{color:var(--color-text-muted);margin-left:6px;font-size:.8rem;font-weight:400}input[type=text],input[type=email],textarea,select{border:1.5px solid var(--color-border);border-radius:var(--radius-md);width:100%;font-size:.9rem;font-family:var(--font-family);color:var(--color-text);background:var(--color-surface);transition:var(--transition);outline:none;padding:10px 14px}input[type=text]:focus,input[type=email]:focus,textarea:focus,select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}input::placeholder{color:var(--color-text-muted)}.input-error{border-color:var(--color-danger)!important;box-shadow:0 0 0 3px var(--color-danger-bg)!important}.field-error{color:var(--color-danger);margin-top:5px;font-size:.8rem;display:block}.btn{border-radius:var(--radius-md);font-size:.9rem;font-weight:500;font-family:var(--font-family);cursor:pointer;transition:var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #6366f159}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--color-bg);color:var(--color-text);border:1.5px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-border-light)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-1px)}.btn-sm{padding:6px 14px;font-size:.82rem}.btn-lg{border-radius:var(--radius-md);padding:13px 28px;font-size:.95rem}.btn-full{width:100%}.badge{border-radius:99px;align-items:center;gap:4px;padding:3px 10px;font-size:.78rem;font-weight:500;display:inline-flex}.badge-success{background:var(--color-success-bg);color:#15803d;border:1px solid var(--color-success-border)}.badge-warning{background:var(--color-warning-bg);color:#92400e;border:1px solid var(--color-warning-border)}.badge-danger{background:var(--color-danger-bg);color:#b91c1c;border:1px solid var(--color-danger-border)}.badge-info{background:var(--color-info-bg);color:#1d4ed8;border:1px solid var(--color-info-border)}.badge-neutral{background:var(--color-border-light);color:var(--color-text-secondary);border:1px solid var(--color-border)}.alert{border-radius:var(--radius-md);border:1px solid;align-items:flex-start;gap:10px;padding:14px 16px;font-size:.875rem;display:flex}.alert-success{background:var(--color-success-bg);border-color:var(--color-success-border);color:#15803d}.alert-warning{background:var(--color-warning-bg);border-color:var(--color-warning-border);color:#92400e}.alert-danger{background:var(--color-danger-bg);border-color:var(--color-danger-border);color:#b91c1c}.alert-info{background:var(--color-info-bg);border-color:var(--color-info-border);color:#1d4ed8}.alert-icon{flex-shrink:0;margin-top:1px;font-size:1rem}.alert-content{flex:1}.alert-title{margin-bottom:3px;font-weight:600}.alert-message{line-height:1.5}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:2px solid #fff6;border-top-color:#fff;border-radius:50%;flex-shrink:0;width:18px;height:18px;animation:.7s linear infinite spin}.spinner-primary{border-color:var(--color-primary-muted);border-top-color:var(--color-primary)}.plan-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px;display:grid}.plan-card{border:2px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);text-align:center;background:var(--color-surface);padding:16px}.plan-card:hover{border-color:var(--color-primary-muted);background:var(--color-primary-light)}.plan-card.selected{border-color:var(--color-primary);background:var(--color-primary-light);box-shadow:0 0 0 3px #6366f11a}.plan-name{color:var(--color-text);margin-bottom:4px;font-size:.9rem;font-weight:600}.plan-sku{color:var(--color-text-muted);font-family:monospace;font-size:.75rem}.plan-stock{margin-top:8px;font-size:.82rem;font-weight:500}.stock-number{font-size:2.2rem;font-weight:700;line-height:1}.stock-sufficient{color:var(--color-success)}.stock-low{color:var(--color-warning)}.stock-empty{color:var(--color-danger)}.modal-backdrop{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000059;justify-content:center;align-items:center;padding:24px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-box{background:var(--color-surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:100%;max-width:480px;padding:32px;animation:.2s slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.modal-icon{border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:16px;font-size:1.4rem;display:flex}.modal-icon-warning{background:var(--color-warning-bg)}.modal-title{margin-bottom:8px;font-size:1.15rem;font-weight:700}.modal-desc{color:var(--color-text-secondary);margin-bottom:20px;font-size:.9rem;line-height:1.6}.modal-info-box{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:24px;padding:14px 16px;font-size:.85rem}.modal-info-row{color:var(--color-text-secondary);justify-content:space-between;padding:4px 0;display:flex}.modal-info-row strong{color:var(--color-text)}.modal-actions{justify-content:flex-end;gap:10px;display:flex}.result-grid{gap:8px;display:grid}.result-row{border-bottom:1px solid var(--color-border-light);gap:12px;padding:8px 0;font-size:.875rem;display:flex}.result-row:last-child{border-bottom:none}.result-label{width:130px;color:var(--color-text-secondary);flex-shrink:0;font-weight:500}.result-value{color:var(--color-text);word-break:break-all}.task-progress{text-align:center;padding:32px 16px}.task-progress .spinner-lg{border-width:3px;width:40px;height:40px;margin:0 auto 16px}.task-status-label{color:var(--color-text);margin-bottom:6px;font-weight:600}.task-status-hint{color:var(--color-text-muted);font-size:.85rem}.steps{align-items:center;gap:0;margin-bottom:32px;display:flex}.step{flex:1;align-items:center;display:flex}.step-dot{border:2px solid var(--color-border);width:28px;height:28px;color:var(--color-text-muted);background:var(--color-surface);transition:var(--transition);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.78rem;font-weight:600;display:flex}.step-dot.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.step-dot.done{background:var(--color-success);border-color:var(--color-success);color:#fff}.step-line{background:var(--color-border);height:2px;transition:var(--transition);flex:1}.step-line.done{background:var(--color-success)}.step-line.active{background:var(--color-primary-muted)}.divider{background:var(--color-border);height:1px;margin:24px 0}.text-sm{font-size:.85rem}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-success{color:var(--color-success)}.text-danger{color:var(--color-danger)}.text-warning{color:var(--color-warning)}.text-primary{color:var(--color-primary)}.font-mono{font-family:JetBrains Mono,Fira Code,monospace}.font-600{font-weight:600}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.flex{display:flex}.flex-center{justify-content:center;align-items:center;display:flex}.gap-8{gap:8px}.gap-12{gap:12px}@media (width<=640px){.plan-grid{grid-template-columns:1fr}.modal-box{padding:24px 20px}.modal-actions{flex-direction:column-reverse}.modal-actions .btn{width:100%}}