:root{--buyer-bg:#f6f7f9;--buyer-surface:#fff;--buyer-surface-muted:#f1f3f6;--buyer-border:#e3e7ee;--buyer-border-strong:#c9d1de;--buyer-text:#1a2333;--buyer-text-secondary:#5b6678;--buyer-text-muted:#8a94a6;--buyer-primary:#3b5bfd;--buyer-primary-hover:#2f4bd8;--buyer-primary-soft:#eef1ff;--buyer-success:#15803d;--buyer-success-soft:#e9f7ee;--buyer-warning:#b45309;--buyer-warning-soft:#fdf3e3;--buyer-danger:#dc2626;--buyer-danger-soft:#fdecec;--buyer-radius:10px;--buyer-shadow:0 1px 2px #1018280f}.buyer *{box-sizing:border-box}.buyer{color:var(--buyer-text)}.buyer-shell{background:var(--buyer-bg);min-height:100vh;display:flex}.buyer-sidebar{background:var(--buyer-surface);border-right:1px solid var(--buyer-border);flex-direction:column;flex-shrink:0;gap:4px;width:248px;height:100vh;padding:20px 12px;display:flex;position:sticky;top:0}.buyer-brand{letter-spacing:-.01em;padding:4px 12px 16px;font-size:17px;font-weight:700}.buyer-brand span{color:var(--buyer-primary)}.buyer-nav-label{text-transform:uppercase;letter-spacing:.06em;color:var(--buyer-text-muted);padding:12px 12px 4px;font-size:11px}.buyer-nav-item{width:100%;color:var(--buyer-text-secondary);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:10px;padding:9px 12px;font-size:14px;text-decoration:none;display:flex}.buyer-nav-item:hover{background:var(--buyer-surface-muted);color:var(--buyer-text)}.buyer-nav-item.active{background:var(--buyer-primary-soft);color:var(--buyer-primary);font-weight:600}.buyer-sidebar-foot{border-top:1px solid var(--buyer-border);flex-direction:column;gap:4px;margin-top:auto;padding-top:12px;display:flex}.buyer-main{flex-direction:column;flex:1;min-width:0;display:flex}.buyer-header{background:var(--buyer-surface);border-bottom:1px solid var(--buyer-border);z-index:10;align-items:center;gap:16px;padding:12px 28px;display:flex;position:sticky;top:0}.buyer-header h1{margin:0;font-size:17px;font-weight:650}.buyer-header-sub{color:var(--buyer-text-secondary);font-size:13px}.buyer-header-right{align-items:center;gap:10px;margin-left:auto;display:flex}.buyer-tenant-pill{background:var(--buyer-surface-muted);border:1px solid var(--buyer-border);border-radius:999px;align-items:center;gap:8px;padding:5px 6px 5px 12px;font-size:13px;font-weight:600;display:flex}.buyer-tenant-pill select{background:0 0;border:0;max-width:180px;font-size:13px}.buyer-avatar{background:var(--buyer-primary-soft);width:32px;height:32px;color:var(--buyer-primary);cursor:pointer;border:0;border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.buyer-content{width:100%;max-width:1080px;margin:0 auto;padding:28px}.buyer-page-title{letter-spacing:-.01em;margin:0 0 4px;font-size:22px;font-weight:700}.buyer-page-sub{color:var(--buyer-text-secondary);margin:0 0 20px;font-size:14px}.buyer-card{background:var(--buyer-surface);border:1px solid var(--buyer-border);border-radius:var(--buyer-radius);box-shadow:var(--buyer-shadow);margin-bottom:16px;padding:20px}.buyer-card h2{margin:0 0 4px;font-size:15px}.buyer-card-desc{color:var(--buyer-text-secondary);margin:0 0 16px;font-size:13px}.buyer-grid-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}.buyer-grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.buyer-stat{background:var(--buyer-surface);border:1px solid var(--buyer-border);border-radius:var(--buyer-radius);box-shadow:var(--buyer-shadow);padding:18px 20px}.buyer-stat-num{font-variant-numeric:tabular-nums;font-size:26px;font-weight:700}.buyer-stat-label{color:var(--buyer-text-secondary);margin-top:2px;font-size:13px}.buyer-btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.buyer-btn:disabled{opacity:.55;cursor:not-allowed}.buyer-btn-primary{background:var(--buyer-primary);color:#fff}.buyer-btn-primary:hover:not(:disabled){background:var(--buyer-primary-hover)}.buyer-btn-secondary{background:var(--buyer-surface);border-color:var(--buyer-border-strong);color:var(--buyer-text)}.buyer-btn-secondary:hover:not(:disabled){background:var(--buyer-surface-muted)}.buyer-btn-danger{background:var(--buyer-danger-soft);color:var(--buyer-danger)}.buyer-btn-ghost{color:var(--buyer-text-secondary);background:0 0;padding:9px 10px}.buyer-btn-ghost:hover{background:var(--buyer-surface-muted);color:var(--buyer-text)}.buyer-btn-sm{padding:6px 12px;font-size:13px}.buyer-field{margin-bottom:14px}.buyer-field label{margin-bottom:5px;font-size:13px;font-weight:600;display:block}.buyer-field-hint{color:var(--buyer-text-secondary);margin-top:4px;font-size:12px}.buyer-field-error{color:var(--buyer-danger);margin-top:4px;font-size:12px}.buyer-input,.buyer-select,.buyer-textarea{border:1px solid var(--buyer-border-strong);background:var(--buyer-surface);width:100%;color:var(--buyer-text);border-radius:8px;padding:9px 12px;font-size:14px}.buyer-input:focus,.buyer-select:focus,.buyer-textarea:focus{outline:2px solid var(--buyer-primary);outline-offset:-1px;border-color:var(--buyer-primary)}.buyer-input[aria-invalid=true]{border-color:var(--buyer-danger)}.buyer-textarea{resize:vertical;min-height:88px}.buyer-badge{border-radius:999px;align-items:center;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.buyer-badge-green{background:var(--buyer-success-soft);color:var(--buyer-success)}.buyer-badge-amber{background:var(--buyer-warning-soft);color:var(--buyer-warning)}.buyer-badge-red{background:var(--buyer-danger-soft);color:var(--buyer-danger)}.buyer-badge-gray{background:var(--buyer-surface-muted);color:var(--buyer-text-secondary)}.buyer-badge-blue{background:var(--buyer-primary-soft);color:var(--buyer-primary)}.buyer-table-wrap{border:1px solid var(--buyer-border);border-radius:var(--buyer-radius);background:var(--buyer-surface);overflow-x:auto}.buyer-table{border-collapse:collapse;width:100%;font-size:14px}.buyer-table th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--buyer-text-muted);border-bottom:1px solid var(--buyer-border);background:var(--buyer-surface-muted);padding:10px 14px;font-size:12px}.buyer-table td{border-bottom:1px solid var(--buyer-border);vertical-align:middle;padding:12px 14px}.buyer-table tr:last-child td{border-bottom:0}.buyer-table tbody tr:hover{background:#fafbfe}.buyer-table .num{font-variant-numeric:tabular-nums}.buyer-row-link{cursor:pointer}.buyer-empty{text-align:center;background:var(--buyer-surface);border:1px dashed var(--buyer-border-strong);border-radius:var(--buyer-radius);padding:48px 24px}.buyer-empty h3{margin:0 0 8px;font-size:16px}.buyer-empty p{color:var(--buyer-text-secondary);max-width:460px;margin:0 auto 18px;font-size:14px}.buyer-alert{border-radius:8px;margin-bottom:14px;padding:12px 14px;font-size:13px}.buyer-alert-error{background:var(--buyer-danger-soft);color:#7f1d1d;border:1px solid #f3c2c2}.buyer-alert-info{background:var(--buyer-primary-soft);color:#1e3a8a;border:1px solid #c9d6ff}.buyer-alert-warn{background:var(--buyer-warning-soft);color:#78350f;border:1px solid #f0d9ae}.buyer-modal-backdrop{z-index:50;background:#0f172a73;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.buyer-modal{background:var(--buyer-surface);border-radius:12px;width:100%;max-width:520px;max-height:90vh;padding:24px;overflow-y:auto;box-shadow:0 20px 50px #0003}.buyer-modal h2{margin:0 0 4px;font-size:17px}.buyer-modal-desc{color:var(--buyer-text-secondary);margin:0 0 18px;font-size:13px}.buyer-modal-actions{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.buyer-skeleton{background:linear-gradient(90deg,#edf0f4 25%,#f7f9fb 50%,#edf0f4 75%) 0 0/200% 100%;border-radius:8px;animation:1.2s infinite buyer-shimmer}@keyframes buyer-shimmer{to{background-position:-200% 0}}.buyer-steps{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.buyer-step{border:1px solid var(--buyer-border);border-radius:var(--buyer-radius);background:var(--buyer-surface);align-items:flex-start;gap:12px;padding:14px;display:flex}.buyer-step-num{background:var(--buyer-surface-muted);width:28px;height:28px;color:var(--buyer-text-secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.buyer-step.done .buyer-step-num{background:var(--buyer-success-soft);color:var(--buyer-success)}.buyer-step h3{margin:0 0 2px;font-size:14px}.buyer-step p{color:var(--buyer-text-secondary);margin:0;font-size:13px}.buyer-dns-value{word-break:break-all;background:var(--buyer-surface-muted);border-radius:6px;padding:6px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.buyer-copy-btn{flex-shrink:0}.buyer-sender-preview{background:var(--buyer-surface-muted);border-radius:8px;padding:12px 14px;font-size:15px}.buyer-toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.buyer-toolbar .buyer-input,.buyer-toolbar .buyer-select{width:auto}.buyer-toolbar .grow{flex:1;min-width:200px}.buyer-pagination{justify-content:flex-end;align-items:center;gap:10px;margin-top:12px;display:flex}.buyer-auth-wrap{background:var(--buyer-bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.buyer-auth-card{background:var(--buyer-surface);border:1px solid var(--buyer-border);width:100%;max-width:420px;box-shadow:var(--buyer-shadow);border-radius:14px;padding:32px}.buyer-auth-card h1{margin:0 0 4px;font-size:20px}.buyer-auth-sub{color:var(--buyer-text-secondary);margin:0 0 22px;font-size:14px}@media (max-width:900px){.buyer-sidebar{display:none}.buyer-grid-2,.buyer-grid-3{grid-template-columns:1fr}.buyer-content{padding:18px}.buyer-mobile-nav{display:flex!important}}.buyer-mobile-nav{background:var(--buyer-surface);border-bottom:1px solid var(--buyer-border);gap:4px;padding:8px 16px;display:none;overflow-x:auto}