:root{--bg:#f5f6f8;--surface:#ffffff;--border:#e2e5ea;--text:#1c2330;--muted:#5f6b7c;--faint:#8a94a4;--accent:#1f5fbf;--accent-weak:#eaf1fb;--critical:#c0392b;--critical-weak:#fbeceb;--normal:#2c6e49;--normal-weak:#eaf3ee;--interrupting:#b9531a;--interrupting-weak:#fbeee3;--quiet:#5f6b7c;--quiet-weak:#eef0f3;--ack:#1f7a8c;--ack-weak:#e6f2f4;--radius:8px;--mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.shell{max-width:880px;margin:0 auto;padding:32px 24px 64px}header.app-header{margin-bottom:24px}.app-header h1{font-size:20px;margin:0;letter-spacing:-.01em}.app-header p{margin:4px 0 0;color:var(--muted);font-size:13px}.tabs{display:inline-flex;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:3px;margin-bottom:24px}.tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--muted);font-size:13px;font-weight:600;padding:7px 16px;border-radius:6px;cursor:pointer}.tab.active{background:var(--accent);color:#fff}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.field{margin-bottom:16px}.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}input[type=text],textarea{width:100%;font:inherit;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:6px;padding:9px 11px}input[type=text]:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-weak)}textarea{resize:vertical;min-height:72px}.seg{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.seg button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:#fff;color:var(--muted);font:inherit;font-weight:600;padding:8px 18px;cursor:pointer}.seg button+button{border-left:1px solid var(--border)}.seg button.on-critical{background:var(--critical);color:#fff}.seg button.on-normal{background:var(--normal);color:#fff}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:var(--accent);color:#fff;font:inherit;font-weight:600;padding:10px 20px;border-radius:6px;cursor:pointer}.btn:disabled{opacity:.55;cursor:default}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}.notice{margin-top:16px;padding:10px 12px;border-radius:6px;font-size:13px}.notice.ok{background:var(--normal-weak);color:var(--normal);border:1px solid #bfe0cd}.notice.err{background:var(--critical-weak);color:var(--critical);border:1px solid #eccac6}.badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:2px 8px;border-radius:999px;white-space:nowrap}.badge.sev-critical{background:var(--critical-weak);color:var(--critical)}.badge.sev-normal{background:var(--normal-weak);color:var(--normal)}.badge.lvl-interrupting{background:var(--interrupting-weak);color:var(--interrupting)}.badge.lvl-quiet{background:var(--quiet-weak);color:var(--quiet)}.badge.state-acknowledged{background:var(--ack-weak);color:var(--ack)}.badge.state-delivered{background:var(--accent-weak);color:var(--accent)}.badge.state-expired,.badge.state-pending{background:var(--quiet-weak);color:var(--quiet)}.badge.archived{background:var(--quiet-weak);color:var(--faint)}.log{display:flex;flex-direction:column;gap:8px}.log-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.log-head{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;text-align:left;cursor:pointer;padding:14px 16px;display:grid;grid-template-columns:18px 1fr auto;grid-gap:12px;gap:12px;align-items:center}.log-head:hover{background:#fafbfc}.disclosure{color:var(--faint);font-size:12px;transition:transform .12s ease}.disclosure.open{transform:rotate(90deg)}.log-title{font-weight:600}.log-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:5px}.log-source,.log-time{color:var(--muted);font-size:12px}.log-time{font-family:var(--mono);white-space:nowrap}.badges{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.timeline{border-top:1px solid var(--border);background:#fcfcfd;padding:14px 16px 16px}.timeline-item{display:grid;grid-template-columns:150px 1fr;grid-gap:14px;gap:14px;padding:8px 0;border-bottom:1px dashed var(--border)}.timeline-item:last-child{border-bottom:none}.timeline-when{font-family:var(--mono);font-size:12px;color:var(--muted)}.timeline-type{font-weight:600;font-size:13px}.timeline-detail{margin-top:3px;color:var(--muted);font-size:12.5px}.timeline-detail code{font-family:var(--mono);background:var(--quiet-weak);padding:1px 5px;border-radius:4px}.empty,.loading{color:var(--muted);padding:32px;text-align:center}.hint{font-size:12px;color:var(--faint)}