:root{--color-primary: #2563eb;--color-primary-contrast: #ffffff;--color-bg: #f6f7f9;--color-surface: #ffffff;--color-text: #1a202c;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-danger: #dc2626;--color-success: #16a34a;--color-warning-bg: #fef9c3;--color-warning-border: #facc15;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 4px 16px rgba(0, 0, 0, .06);--font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font);font-size:14px;color:var(--color-text);background:var(--color-bg)}h1,h2,h3{margin:0 0 12px;font-weight:600}h1{font-size:20px}h2{font-size:16px}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:16px;height:52px;padding:0 20px;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.topbar-brand{font-size:15px;font-weight:700;color:var(--color-primary);white-space:nowrap}.topbar-back{font-size:13px;color:var(--color-text-muted);white-space:nowrap}.topbar-spacer{flex:1}.topbar-user{position:relative}.body-row{display:flex;flex:1;align-items:stretch}.sidenav{width:200px;flex-shrink:0;padding:16px 8px;background:var(--color-surface);border-right:1px solid var(--color-border)}.sidenav a{display:block;padding:8px 12px;margin-bottom:2px;border-radius:var(--radius);color:var(--color-text)}.sidenav a:hover{background:var(--color-bg);text-decoration:none}.sidenav a.active{background:var(--color-primary);color:var(--color-primary-contrast)}.sidenav .nav-section{margin:16px 12px 6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.main-content{flex:1;padding:24px;min-width:0}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.page-header 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10px;font-size:13px}.btn-block{width:100%;justify-content:center}.btn-link{background:none;border:none;padding:0;font:inherit;color:var(--color-primary);cursor:pointer}.btn-link:hover{text-decoration:underline}.table-wrap{overflow-x:auto;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}table.data{width:100%;border-collapse:collapse}table.data th,table.data td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--color-border);white-space:nowrap}table.data tr:last-child td{border-bottom:none}table.data th{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted)}table.data td select{padding:4px 6px;font:inherit;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:inherit}.badge{display:inline-block;padding:2px 8px;font-size:12px;font-weight:500;border-radius:999px}.badge-active{background:#dcfce7;color:var(--color-success)}.badge-inactive{background:#fee2e2;color:var(--color-danger)}.badge-neutral{background:var(--color-bg);color:var(--color-text-muted)}.badge-pending{background:var(--color-warning-bg);color:#854d0e}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:flex-start;justify-content:center;padding:10vh 16px 16px;background:#0f172a73;z-index:50}.modal{width:100%;max-width:460px;max-height:80vh;overflow-y:auto;padding:24px;background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-header h2{margin:0}.modal-close{background:none;border:none;font-size:18px;line-height:1;color:var(--color-text-muted);cursor:pointer}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.copybox{margin-bottom:12px}.copybox-label{margin-bottom:4px;font-size:12px;font-weight:600;color:var(--color-text-muted)}.copybox-row{display:flex;gap:8px}.copybox-value{flex:1;padding:8px 10px;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:13px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);overflow-x:auto;white-space:nowrap}.reveal-warning{padding:10px 12px;margin-bottom:16px;font-size:13px;background:var(--color-warning-bg);border:1px solid var(--color-warning-border);border-radius:var(--radius)}.error-note{padding:10px 12px;margin-bottom:14px;font-size:13px;color:var(--color-danger);background:#fee2e2;border:1px solid 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p{margin:0 0 10px;white-space:pre-wrap}.preview-email-buttons{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.preview-email-button{padding:8px 16px;font-weight:600;color:#fff;background:var(--color-primary);border-radius:6px}.preview-email-footer{margin-top:14px;padding-top:10px;border-top:1px solid var(--color-border);font-size:11px;color:#64748b}.preview-wa{padding:16px;background:#e5ddd5;border-radius:var(--radius)}.preview-wa-bubble{max-width:100%;padding:8px 10px;background:#dcf8c6;border-radius:0 8px 8px;font-size:13px;color:#111b21;box-shadow:0 1px 1px #0000001a}.preview-wa-header{font-weight:700;margin-bottom:4px}.preview-wa-text{white-space:pre-wrap}.preview-wa-text+.preview-wa-text{margin-top:6px}.preview-wa-footer{margin-top:6px;font-size:11px;color:#667781}.preview-wa-button{margin-top:6px;padding:8px;text-align:center;font-weight:500;color:#027eb5;background:#fff;border-radius:8px;box-shadow:0 1px 1px #0000001a}.lifecycle-list{margin:0;padding:0;list-style:none}.lifecycle-list li{display:flex;flex-direction:column;gap:2px;padding:8px 0;border-bottom:1px solid var(--color-border);font-size:13px}.lifecycle-list li:last-child{border-bottom:none}.lifecycle-when{font-size:11px;color:var(--color-text-muted)}.lifecycle-detail{font-size:12px}.rule-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px}.rule-row select,.rule-row input[type=text]{padding:6px 10px;font:inherit;color:inherit;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.row-actions{display:flex;flex-wrap:wrap;align-items:center;gap:6px;white-space:nowrap}.sender-id-input{width:90px;padding:6px 8px;font:inherit;color:inherit;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.channel-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px;align-items:start}.channel-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.channel-card-head h2{margin:0}.dns-table{margin-bottom:14px}.dns-table table.data td{white-space:normal;vertical-align:top}.dns-table .copybox{margin-bottom:0;min-width:180px}.dns-table .copybox-label{display:none}.checklist{margin:10px 0 0;padding:0;list-style:none}.checklist li{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--color-border)}.checklist li:last-child{border-bottom:none}.check-dot{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;font-size:12px;font-weight:700;border-radius:50%}.check-ok{color:#fff;background:var(--color-success)}.check-pending{color:var(--color-text-muted);background:var(--color-bg);border:1px solid var(--color-border)}.check-unknown{color:#854d0e;background:var(--color-warning-bg);border:1px solid var(--color-warning-border)}.checklist-badge{margin-left:8px}.health-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:12px 0 16px;padding:12px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px}.health-grid>div{display:flex;flex-direction:column;gap:4px}.health-grid .muted{font-size:12px}.health-grid .badge{align-self:flex-start}.metric-row{display:flex;flex-wrap:wrap;gap:20px;margin:16px 0}.metric{min-width:96px}.metric-label{font-size:12px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em}.metric-value{font-size:24px;font-weight:600;line-height:1.3}.metric-bad{color:var(--color-danger, #b42318)}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:12px}.gallery-card{padding:12px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg)}.gallery-card-name{font-weight:600;margin-bottom:4px}.gallery-card-actions{display:flex;gap:6px;margin-top:10px}.preview-subject{padding:8px 0 12px;border-bottom:1px solid var(--color-border);margin-bottom:12px}.preview-frame{width:100%;height:420px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff}.preview-frame-tall{height:60vh}.block-image-preview{display:block;max-width:100%;max-height:160px;margin-top:8px;border-radius:var(--radius);border:1px solid var(--color-border)}.progress-track{height:8px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:999px;overflow:hidden;margin:4px 0 12px}.progress-fill{height:100%;background:var(--color-primary);transition:width .3s 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14px;padding-left:22px}.help-body li{margin-bottom:8px}.help-body code{padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;background:var(--color-bg);border-radius:4px}.help-body table.data{margin-bottom:14px}