:root{--bg: #f5f7fb;--surface: #ffffff;--surface-alt: #f9fafb;--border: #e5e7eb;--border-strong: #d1d5db;--fg: #111827;--muted: #6b7280;--muted-soft: #9ca3af;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: #dbeafe;--ok: #16a34a;--ok-bg: #dcfce7;--warn: #d97706;--warn-bg: #fef3c7;--bad: #dc2626;--bad-bg: #fee2e2;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .06);--shadow-md: 0 4px 6px -1px rgba(16, 24, 40, .07), 0 2px 4px -2px rgba(16, 24, 40, .05);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}.app{max-width:1200px;margin:0 auto;padding:32px 24px 48px}h1{font-size:22px;margin:0;font-weight:600;letter-spacing:-.01em}h2{font-size:16px;margin:0 0 12px;font-weight:600;letter-spacing:-.01em}nav.tabs{gap:4px}nav.tabs a{padding:8px 14px;border-radius:8px;color:var(--muted);font-weight:500;transition:background .15s,color .15s}nav.tabs a:hover{background:var(--surface-alt);color:var(--fg);text-decoration:none}nav.tabs a.active{background:var(--accent-soft);color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px 24px;margin-bottom:20px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:500}input[type=text],input[type=email],input[type=datetime-local],input[type=date],select{width:100%;padding:9px 12px;background:var(--surface);border:1px solid var(--border-strong);border-radius:8px;color:var(--fg);font:inherit;transition:border-color .15s,box-shadow .15s}input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.dt-group{display:flex;align-items:stretch;background:var(--surface);border:1px solid var(--border-strong);border-radius:8px;overflow:hidden;transition:border-color .15s,box-shadow .15s}.dt-group:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.dt-group.invalid{border-color:var(--bad)}.dt-group input[type=date],.dt-group select{border:0;border-radius:0;background:transparent;box-shadow:none;width:auto}.dt-group input[type=date]:focus,.dt-group select:focus{outline:none;box-shadow:none}.dt-group input[type=date]{flex:1 1 auto;min-width:0}.dt-group select{flex:0 0 auto;border-left:1px solid var(--border);padding-right:8px}button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 18px;font:inherit;font-weight:500;cursor:pointer;transition:background .15s,transform .05s}button:hover:not(:disabled){background:var(--accent-hover)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--surface);color:var(--fg);border:1px solid var(--border-strong)}button.secondary:hover:not(:disabled){background:var(--surface-alt)}.timeline{border-left:2px solid var(--border);padding-left:16px;margin:8px 0}.timeline-step{position:relative;padding:8px 0}.timeline-step:before{content:"";position:absolute;left:-22px;top:14px;width:8px;height:8px;background:var(--accent);border-radius:50%}.timeline-step.pmg:before{background:var(--warn)}.timeline-step.zimbra:before{background:var(--ok)}.timeline-step.dns:before{background:var(--accent)}.event-row{display:grid;grid-template-columns:160px 1fr;gap:12px;padding:4px 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.event-ts{color:var(--muted);white-space:nowrap}.event-body{word-break:break-word}.event-status-sent{color:var(--ok);font-weight:500}.event-status-bounced,.event-status-rejected,.event-status-deferred{color:var(--bad);font-weight:500}.event-status-quarantine{color:var(--warn);font-weight:500}.event-status-external{color:var(--muted);font-weight:500}.event-status-pick-mismatch{color:var(--accent);font-weight:500}.kvs{display:grid;grid-template-columns:100px 1fr;gap:4px 12px;font-family:ui-monospace,monospace;font-size:12px}.kvs dt{color:var(--muted)}.kvs dd{margin:0;word-break:break-all}.muted{color:var(--muted)}.pill{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--surface-alt);color:var(--muted);font-size:11px;font-weight:500;margin-right:6px;border:1px solid var(--border)}.pill.ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}.pill.bad{background:var(--bad-bg);color:var(--bad);border-color:transparent}.pill.warn{background:var(--warn-bg);color:var(--warn);border-color:transparent}.error{color:var(--bad)}.flex{display:flex;gap:12px;align-items:center}.spread{display:flex;justify-content:space-between;align-items:center;gap:16px}.flow-table{width:100%;border-collapse:collapse;font-size:12px}.flow-table th,.flow-table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top;text-align:left}.flow-table th{font-weight:600;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border-strong);background:var(--surface-alt)}.flow-table tbody tr:hover{background:var(--surface-alt)}.flow-table .nowrap{white-space:nowrap}.flow-table button{padding:4px 10px;font-size:11px;border-radius:6px;background:var(--surface);color:var(--fg);border:1px solid var(--border-strong)}.flow-table button:hover:not(:disabled){background:var(--surface-alt)}.flow-table button.btn-active{background:var(--accent);color:#fff;border-color:var(--accent)}.flow-table button:disabled{opacity:.4}