:root{color-scheme:light;--background:#f7f8fa;--foreground:#17202a;--muted:#657384;--panel:#ffffff;--line:#dce2ea;--accent:#0f766e;--accent-strong:#115e59;--warning:#9a3412;--danger:#b91c1c}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--background);color:var(--foreground);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:10;min-height:64px;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);padding:0 28px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand,.topbar{display:flex;align-items:center}.brand{min-width:0;gap:12px;font-weight:760}.brand-mark{display:grid;width:34px;height:34px;place-items:center;border-radius:8px;background:var(--accent);color:#fff;font-size:14px}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-text small{color:var(--muted);font-size:12px;font-weight:600}.nav-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.main{margin:0 auto;max-width:1160px;padding:36px 28px 56px}.section{margin-bottom:28px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.eyebrow{margin:0 0 8px;color:var(--accent-strong);font-size:13px;font-weight:780;text-transform:uppercase}.h1{margin:0;max-width:780px;font-size:42px;line-height:1.06}.lead{max-width:760px;color:var(--muted);font-size:18px;line-height:1.55}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:18px}.card h2,.card h3{margin:0 0 10px;font-size:18px}.card li,.card p{color:var(--muted);line-height:1.5}.card ul{margin:0;padding-left:18px}.status-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.status-item{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:10px 0}.status-item:last-child{border-bottom:0}.status-key{color:var(--muted)}.status-key small{display:block;margin-top:4px;color:var(--foreground);font-size:12px;font-weight:600}.status-value{font-weight:700;text-align:right}.status-item.needs-review .status-value{color:#92400e}.button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;border:1px solid var(--accent);border-radius:8px;background:var(--accent);color:#fff;padding:0 14px;font-weight:720}.button.secondary{border-color:var(--line);background:var(--panel);color:var(--foreground)}.button.danger-button{border-color:var(--danger);background:var(--danger)}.button:disabled{border-color:var(--line);background:#e5e7eb;color:var(--muted);cursor:not-allowed}.compact-button{min-height:34px;padding:0 10px}.button-row{margin-top:14px}.button-row,.legal-nav{display:flex;flex-wrap:wrap;gap:10px}.legal-nav{margin-top:18px}.policy-updated{margin:14px 0 0;color:var(--muted);font-size:13px;font-weight:700}.policy-stack{display:grid;gap:16px}.policy-section li,.policy-section p{color:var(--muted);line-height:1.58}.policy-section p{margin:0 0 12px}.policy-section p:last-child{margin-bottom:0}.policy-list{display:grid;gap:8px;margin:0;padding-left:20px}.mailbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:14px 0}.mailbox-card{min-width:0;border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:12px}.mailbox-card p{margin:8px 0 0}.mailbox-address{color:var(--foreground);font-weight:760;overflow-wrap:anywhere}.notice{border:1px solid #fed7aa;border-radius:8px;background:#fff7ed;color:var(--warning);padding:16px}.notice.success{border-color:#99f6e4;background:#f0fdfa;color:var(--accent-strong)}.notice.error{border-color:#fecaca;background:#fef2f2;color:var(--danger)}.stats-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:16px}.panel,.stat{border:1px solid var(--line);border-radius:8px;background:var(--panel)}.stat{display:grid;gap:4px;padding:16px}.stat-value{font-size:24px;font-weight:780}.empty-state,.muted,.stat-label{color:var(--muted)}.split-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:16px;align-items:start}.panel{min-width:0;padding:18px}.panel h2{margin:0 0 14px;font-size:18px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.compact-header{align-items:baseline}.compact-header h3{margin:0;font-size:15px}.queue-monitoring-panel{margin-top:16px}.operations-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}.operations-table-panel{margin-top:16px}.operations-gate-grid{grid-template-columns:repeat(auto-fit,minmax(148px,1fr))}.operations-metrics{grid-template-columns:repeat(auto-fit,minmax(112px,1fr))}.operations-job-table{min-width:980px}.operations-audit-table{min-width:900px}.microsoft-diagnostic-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,440px);gap:16px;align-items:start}.diagnostic-guide-panel{margin-bottom:16px}.diagnostic-steps{margin:14px 0 0;padding-left:22px}.diagnostic-steps li{color:var(--muted);line-height:1.55;overflow-wrap:anywhere;padding:4px 0}.diagnostic-source-note{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}.diagnostic-results-stack{display:grid;gap:16px}.header-diagnostic-textarea{width:100%;min-height:520px;resize:vertical;border:1px solid var(--line);border-radius:8px;background:#f8fafc;color:var(--foreground);font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13px;line-height:1.45;margin-top:14px;padding:12px}.header-diagnostic-textarea:focus{border-color:var(--accent);outline:2px solid #99f6e4}.diagnostic-signal-grid{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr));margin:0}.diagnostic-signal-grid div{min-width:0;border-bottom:1px solid var(--line);padding-bottom:8px}.diagnostic-signal-grid dt{color:var(--muted);font-size:12px;font-weight:760;text-transform:uppercase}.diagnostic-signal-grid dd{margin:4px 0 0;overflow-wrap:anywhere}.diagnostic-finding-list{display:grid;gap:10px}.diagnostic-finding{border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:12px}.diagnostic-finding.blocker,.diagnostic-verdict.authentication_failure,.diagnostic-verdict.missing_headers,.diagnostic-verdict.spam_filtering{border-color:#fecaca;background:#fef2f2}.diagnostic-finding.warning,.diagnostic-verdict.needs_review{border-color:#fed7aa;background:#fff7ed}.diagnostic-finding.info,.diagnostic-verdict.clean_for_retest{border-color:#bbf7d0;background:#f0fdf4}.diagnostic-finding h3{margin:0;font-size:15px}.diagnostic-finding p{color:var(--muted);line-height:1.45;margin:8px 0 0}.diagnostic-action-list{display:grid;gap:10px;list-style:none;margin:12px 0 0;padding:0}.diagnostic-action-list li{border-bottom:1px solid var(--line);padding-bottom:10px}.diagnostic-action-list li:last-child{border-bottom:0;padding-bottom:0}.diagnostic-action-list h3{font-size:14px;margin:0}.diagnostic-action-list p{color:var(--muted);line-height:1.45;margin:6px 0 0}.diagnostic-action-list .blocked .status-value{color:#991b1b}.diagnostic-action-list .fix .status-value{color:#9a3412}.diagnostic-action-list .retest .status-value{color:#166534}.ordered-steps{margin:0;padding-left:22px}.ordered-steps li{color:var(--muted);line-height:1.55;overflow-wrap:anywhere;padding:4px 0}.page-actions{justify-content:flex-end;margin-top:0}.anti-abuse-panel,.first-send-panel,.launch-gate-panel,.readiness-panel,.workflow-proof-panel{margin-top:16px}.queue-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:12px;margin-top:14px}.queue-metric{display:grid;gap:4px;min-width:0;border-right:1px solid var(--line);padding:4px 12px 4px 0}.queue-metric:last-child{border-right:0}.metric-link{color:inherit;text-decoration:none}.metric-link:hover .stat-label{color:var(--accent-strong)}.gate-grid,.readiness-grid{display:grid;gap:12px;margin-top:16px}.gate-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.readiness-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.launch-gate-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:16px}.first-send-step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.gate-state,.readiness-item{border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:12px}.launch-gate-card{border:1px solid var(--line);border-radius:8px;background:#f8fafc}.first-send-step,.launch-gate-card{display:grid;gap:10px;min-width:0;padding:12px}.first-send-step{border:1px solid #fed7aa;border-radius:8px;background:#fff7ed}.first-send-step.ready{border-color:#bbf7d0;background:#f0fdf4}.first-send-detail-grid{margin-top:14px;margin-bottom:0}.first-send-detail{min-width:0;border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:14px}.first-send-detail p{color:var(--muted);font-size:13px;line-height:1.45;margin:8px 0 0;overflow-wrap:anywhere}.gate-state.open,.launch-gate-card.blocked,.readiness-item.blocked{border-color:#fed7aa;background:#fff7ed}.launch-gate-card.ready,.readiness-item.ready{border-color:#bbf7d0;background:#f0fdf4}.first-send-step p,.launch-gate-card p,.readiness-item p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.45}.first-send-step h3,.launch-gate-card h3{margin:4px 0 0;font-size:16px}.launch-gate-meta{display:grid;gap:8px;margin:0}.launch-gate-meta div{display:grid;gap:2px}.launch-gate-meta dt,.launch-gate-subtitle{color:var(--ink);font-size:12px;font-weight:800;line-height:1.3;margin:0;text-transform:uppercase}.launch-gate-meta dd{color:var(--muted);font-size:13px;line-height:1.45;margin:0;overflow-wrap:anywhere}.launch-evidence-list{display:grid;gap:6px;margin:8px 0 0;padding-left:18px}.launch-evidence-list li{color:var(--muted);font-size:13px;line-height:1.45;overflow-wrap:anywhere}.workflow-list{margin-top:14px}.health-status{display:inline-flex;min-height:32px;align-items:center;border:1px solid #99f6e4;border-radius:999px;background:#f0fdfa;color:var(--accent-strong);padding:0 10px;font-size:13px;font-weight:800}.health-status.attention{border-color:#fed7aa;background:#fff7ed;color:var(--warning)}.queue-failures,.queue-reasons{margin-top:16px}.queue-failure-table{min-width:780px}.import-result{display:grid;gap:12px;margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.import-result p{margin:0;color:var(--muted);line-height:1.5}.import-result.error p{color:var(--danger)}.import-result.success p{color:var(--accent-strong)}.import-metrics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.import-metric{display:grid;gap:3px;min-width:0;border-right:1px solid var(--line);padding-right:10px}.import-metric:last-child{border-right:0}.import-report-actions{margin-top:0}.import-preview-table{overflow-x:auto}.compact-table{min-width:520px;font-size:13px}.side-stack,.stacked-form{display:grid;gap:16px}.filter-panel{margin-bottom:16px}.filter-form{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr)) auto;gap:12px;align-items:end}.suppression-filter-form{grid-template-columns:repeat(3,minmax(160px,1fr)) auto}.filter-actions{display:flex;flex-wrap:wrap;gap:10px}.filter-summary{margin:12px 0 0;font-size:13px}.audience-preview,.content-deliverability-review,.content-summary,.link-preview,.queue-summary{margin-top:16px}.deliverability-review-list .status-item{align-items:flex-start}.deliverability-review-list .status-value{max-width:360px;font-size:13px;line-height:1.4}.audience-limit,.queue-summary+.stacked-form{margin-top:12px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field{display:grid;gap:6px;color:var(--muted);font-size:13px;font-weight:700}.import-source-review{display:grid;gap:12px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:14px}.import-source-review h3{margin:0;color:var(--foreground);font-size:15px}.compact-textarea{min-height:88px}.checkbox-field{display:flex;min-width:0;align-items:flex-start;gap:10px;color:var(--foreground);font-size:13px;font-weight:650;line-height:1.45}.checkbox-field input{margin-top:2px;flex:0 0 auto}.input,.textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--foreground);padding:10px 12px}.textarea{min-height:160px;resize:vertical}.code-textarea,.readonly-token{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px}.readonly-token{color:var(--accent-strong);font-weight:720}.content-preview-section{display:grid;gap:12px;margin-top:18px;border-top:1px solid var(--line);padding-top:16px}.content-preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.content-preview-pane{display:grid;min-width:0;gap:8px}.content-preview-pane h4{margin:0;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase}.content-preview-frame,.plain-preview{width:100%;min-height:220px;border:1px solid var(--line);border-radius:8px;background:#fff}.content-preview-frame{display:block}.plain-preview{margin:0;overflow:auto;padding:12px;color:var(--foreground);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.5;white-space:pre-wrap}.input:focus,.textarea:focus{border-color:var(--accent);outline:2px solid #ccfbf1}.table-wrap{overflow-x:auto}.data-table{width:100%;min-width:680px;border-collapse:collapse;font-size:14px}.audit-table{min-width:860px}.members-table{min-width:680px;font-size:13px}.data-table td,.data-table th{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;vertical-align:middle}.data-table th{color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase}.badge{display:inline-flex;min-height:24px;align-items:center;border:1px solid var(--line);border-radius:999px;background:#f8fafc;color:var(--foreground);padding:0 8px;font-size:12px;font-weight:760}.table-link{color:var(--accent-strong);font-weight:760}.inline-actions{display:inline-flex;flex-wrap:wrap;gap:8px;align-items:center}.suppression-release-form{display:grid;min-width:180px;gap:8px}.suppression-note{display:block;max-width:260px;color:var(--muted);font-size:13px;line-height:1.4;white-space:pre-wrap}.member-cell{display:grid;gap:4px;min-width:120px}.member-cell span{color:var(--muted);font-size:13px}.member-cell code{color:var(--accent-strong);font-size:12px}.compact-input{min-width:120px;padding:8px 10px}.detail-list{display:grid;gap:12px;margin:0}.detail-list div{display:grid;grid-template-columns:140px minmax(0,1fr);gap:16px;border-bottom:1px solid var(--line);padding:12px 0}.detail-list div:last-child{border-bottom:0}.detail-list dt{color:var(--muted);font-weight:720}.detail-list dd{margin:0;min-width:0;overflow-wrap:anywhere}.metadata-cell{max-width:300px;overflow:hidden;color:var(--muted);font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;text-overflow:ellipsis;white-space:nowrap}.danger{color:var(--danger)}.auth-shell{display:grid;min-height:calc(100vh - 64px);place-items:center;padding:32px}.unsubscribe-panel{width:min(100%,640px)}@media (max-width:820px){.topbar{align-items:flex-start;flex-direction:column;padding:16px 20px}.nav-actions{width:100%;justify-content:space-between}.main{padding:28px 20px 44px}.h1{font-size:32px}.grid,.page-header,.split-layout{grid-template-columns:1fr}.page-header{display:grid}.content-preview-grid,.filter-form,.first-send-step-grid,.form-grid,.import-metrics,.microsoft-diagnostic-layout,.operations-grid,.queue-metrics,.stats-row{grid-template-columns:1fr}.page-actions{justify-content:flex-start}.diagnostic-signal-grid{grid-template-columns:1fr}.header-diagnostic-textarea{min-height:360px}}