:root{--bg: #f1f5f9;--card-bg: #ffffff;--text: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--primary: #1e40af;--primary-hover: #1d4ed8;--green: #16a34a;--green-bg: #f0fdf4;--green-border: #bbf7d0;--red: #dc2626;--red-bg: #fef2f2;--red-border: #fecaca;--amber: #b45309;--amber-bg: #fffbeb;--amber-border: #fde68a;--neutral-bg: #fefce8;--neutral-border: #fef08a;--shadow: 0 10px 30px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.page{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:24px 16px}.container{width:100%;max-width:520px;flex:1;display:flex;flex-direction:column;justify-content:center;gap:24px;padding:32px 0}.public-topbar{width:100%;max-width:520px;margin:0 auto;display:flex;justify-content:flex-end;padding-top:4px}.staff-login-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);text-decoration:none;padding:6px 10px;border-radius:8px;border:1px solid transparent;transition:color .15s,background .15s,border-color .15s}.staff-login-link:hover{color:var(--primary);background:#fff;border-color:var(--border)}.header{text-align:center}.title{font-size:28px;font-weight:700;margin:0 0 8px;letter-spacing:-.02em}.subtitle{margin:0;color:var(--text-muted);font-size:15px}.search-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:var(--shadow)}.search-row{display:flex;gap:12px}.serial-input{flex:1;min-width:0;padding:14px 16px;font-size:16px;border:1px solid var(--border);border-radius:10px;outline:none;transition:border-color .15s,box-shadow .15s}.serial-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1e40af1f}.serial-input:disabled{background:#f8fafc}.query-btn{padding:14px 24px;font-size:16px;font-weight:600;color:#fff;background:var(--primary);border:none;border-radius:10px;cursor:pointer;white-space:nowrap;transition:background .15s}.query-btn:hover:not(:disabled){background:var(--primary-hover)}.query-btn:disabled{opacity:.6;cursor:not-allowed}.loading-hint{margin-top:12px;color:var(--text-muted);font-size:14px;text-align:center}.result-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:28px 24px;box-shadow:var(--shadow);text-align:center;animation:rise .2s ease-out}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.card-active{border-color:var(--green-border);background:var(--green-bg)}.card-expired{border-color:var(--red-border);background:var(--red-bg)}.card-neutral{border-color:var(--neutral-border);background:var(--neutral-bg)}.product-name{font-size:20px;font-weight:700;margin-bottom:16px}.status-badge{display:inline-block;padding:12px 24px;border-radius:999px;font-size:18px;font-weight:700;color:#fff;margin-bottom:20px}.badge-active{background:var(--green)}.badge-expired{background:var(--red)}.detail-list{margin:0;padding:0;border-top:1px solid rgba(15,23,42,.08)}.detail-row{display:flex;justify-content:space-between;align-items:center;padding:12px 4px;border-bottom:1px solid rgba(15,23,42,.06)}.detail-row dt{color:var(--text-muted);font-size:14px}.detail-row dd{margin:0;font-weight:600;font-size:15px}.expiring-warning{margin-top:20px;padding:14px 16px;background:var(--amber-bg);border:1px solid var(--amber-border);border-radius:10px;color:var(--amber);font-weight:600;font-size:15px}.neutral-icon{width:44px;height:44px;margin:0 auto 14px;border-radius:999px;background:var(--neutral-border);color:var(--amber);font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center}.neutral-message{margin:0;color:var(--text);font-size:15px}.footer{color:var(--text-muted);font-size:13px;padding:16px 0 4px;text-align:center}@media (max-width: 480px){.search-row{flex-direction:column}.query-btn{width:100%}.title{font-size:24px}}.container-narrow{max-width:420px}.field-label{display:block;font-size:14px;font-weight:600;color:var(--text-muted);margin:14px 0 6px}.serial-input.full,.query-btn.full{width:100%}.search-card form,form.search-card{display:block}.form-error{background:var(--red-bg);border:1px solid var(--red-border);color:var(--red);border-radius:10px;padding:12px 14px;font-size:14px;font-weight:600;margin-bottom:8px}.query-btn.full{margin-top:20px}.route-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.admin{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.admin-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:var(--card-bg);border-bottom:1px solid var(--border);box-shadow:0 1px 3px #0f172a0d}.admin-brand{font-size:18px;font-weight:700;letter-spacing:-.01em}.admin-user{display:flex;align-items:center;gap:12px}.admin-username{font-weight:600;font-size:15px}.role-chip{background:#eff6ff;color:var(--primary);border:1px solid #bfdbfe;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}.logout-btn{background:#fff;color:var(--red);border:1px solid var(--red-border);border-radius:8px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:background 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640px){.admin-body{flex-direction:column}.admin-nav{width:100%;flex-direction:row;flex-wrap:wrap}.admin-topbar{flex-wrap:wrap}}.dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.dash-card{display:flex;flex-direction:column;gap:8px;align-items:flex-start;padding:20px;border-radius:14px;border:1px solid var(--border);background:#fff;cursor:pointer;text-align:left;transition:transform .12s,box-shadow .12s}.dash-card:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow)}.dash-number{font-size:34px;font-weight:800;line-height:1}.dash-label{font-size:14px;color:var(--text-muted);font-weight:600}.card-total{border-left:4px solid var(--primary)}.card-total .dash-number{color:var(--primary)}.card-green{border-left:4px solid var(--green)}.card-green .dash-number{color:var(--green)}.card-red{border-left:4px solid var(--red)}.card-red .dash-number{color:var(--red)}.card-amber{border-left:4px solid var(--amber)}.card-amber .dash-number{color:var(--amber)}.dash-hint{margin-top:16px;color:var(--text-muted);font-size:13px}@media (max-width: 640px){.dash-grid{grid-template-columns:1fr 1fr}}@media (max-width: 420px){.dash-grid{grid-template-columns:1fr}}.units-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.notice-success{background:var(--green-bg);border:1px solid var(--green-border);color:var(--green);border-radius:10px;padding:12px 14px;font-weight:600;font-size:14px;margin-bottom:16px}.unit-form{border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:20px;background:#f8fafc}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-field{display:flex;flex-direction:column}.form-field-wide{grid-column:1 / -1}.inline-error{margin-top:6px;color:var(--red);font-size:13px;font-weight:600}textarea.serial-input{resize:vertical;font-family:inherit}.list-controls{display:flex;gap:12px;margin-bottom:14px}.list-controls 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var(--border);border-radius:10px;margin-bottom:12px;font-size:14px}.bulk-total{color:var(--text-muted)}.bulk-reason{color:var(--red);font-size:13px}.bulk-commit-row{display:flex;align-items:center;gap:14px;margin-top:14px;flex-wrap:wrap}.bulk-errs{margin:8px 0 0;padding-left:20px;font-weight:400;font-size:13px}@media (max-width: 560px){.units-head-actions{flex-direction:column}}.row-actions{display:flex;gap:6px;white-space:nowrap}.act-btn{background:#fff;border:1px solid var(--border);border-radius:7px;padding:6px 12px;font-size:13px;font-weight:600;color:var(--primary);cursor:pointer;transition:background .15s}.act-btn:hover{background:#eff6ff}.act-danger{color:var(--red);border-color:var(--red-border)}.act-danger:hover{background:var(--red-bg)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal-card{background:#fff;border-radius:16px;width:100%;max-width:440px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0f172a4d;animation:rise .15s ease-out}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.modal-title{margin:0;font-size:18px;font-weight:700}.modal-close{background:none;border:none;font-size:26px;line-height:1;color:var(--text-muted);cursor:pointer}.modal-body{padding:22px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.ro-summary{background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:14px 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var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow);text-align:left;animation:rise .2s ease-out}.invoice-title{margin:0 0 6px;font-size:18px;font-weight:700}.invoice-sub{margin:0 0 16px;color:var(--text-muted);font-size:14px}.invoice-row{display:flex;gap:12px}.invoice-col{flex:1}.hint-warning{margin-top:6px;color:var(--amber);font-size:13px;font-weight:600}.captcha-row{display:flex;align-items:center;gap:12px}.captcha-q{font-size:18px;font-weight:700;background:#f1f5f9;border:1px solid var(--border);border-radius:8px;padding:10px 16px;white-space:nowrap}.captcha-input{width:120px}.pending-badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 7px;border-radius:999px;background:var(--red);color:#fff;font-size:12px;font-weight:700;margin-left:8px;vertical-align:middle}.nav-badge{margin-left:8px}.tag-blue{background:#eff6ff;color:var(--primary);border:1px solid #bfdbfe}.contact-cell{font-size:13px;color:var(--text-muted)}.handled-info{margin-top:4px;font-size:12px;color:var(--text-muted)}@media (max-width: 560px){.invoice-row{flex-direction:column}}.pager{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:16px}.pager button{background:#fff;border:1px solid var(--border);border-radius:8px;padding:8px 14px;cursor:pointer;font-weight:600;font-size:14px}.pager button:disabled{opacity:.5;cursor:not-allowed}.list-summary{margin-top:12px;color:var(--text-muted);font-size:13px;text-align:right}@media (max-width: 560px){.form-grid{grid-template-columns:1fr}.units-head{flex-direction:column;align-items:stretch}}