*,:before,:after{box-sizing:border-box}:root{--bg:#f7f8fa;--card:#fff;--line:#e2e5ea;--text:#14171c;--muted:#646c7a;--accent:#2b64f5;--accent-hover:#1d4fd0;--ok-bg:#e7f5ec;--ok-fg:#10693a;--err-bg:#fdeceb;--err-fg:#b3261e;--info-bg:#e9f0fe;--info-fg:#1b4599;--radius:10px}@media (prefers-color-scheme:dark){:root{--bg:#0e1116;--card:#161a21;--line:#262c36;--text:#e6e9ef;--muted:#99a1b0;--accent:#4d7dff;--accent-hover:#6a92ff;--ok-bg:#10291c;--ok-fg:#6ee7a0;--err-bg:#2d1614;--err-fg:#ff9d95;--info-bg:#121f3d;--info-fg:#a8c3ff}}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.wrap{max-width:820px;margin:0 auto;padding:28px 18px 80px}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px;display:flex}.brand{align-items:center;gap:10px;font-size:18px;font-weight:650;display:flex}.brand .dot{background:var(--accent);color:#fff;border-radius:8px;place-items:center;width:26px;height:26px;font-size:14px;display:grid}.who{color:var(--muted);align-items:center;gap:10px;font-size:13px;display:flex}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;padding:20px}.card.disabled{opacity:.45;pointer-events:none}.step{align-items:center;gap:10px;margin-bottom:16px;font-weight:620;display:flex}.step .n{background:var(--accent);color:#fff;border-radius:50%;flex:none;place-items:center;width:23px;height:23px;font-size:12px;font-weight:700;display:grid}.step small{color:var(--muted);margin-left:auto;font-size:12px;font-weight:400}label{margin:14px 0 5px;font-size:13px;font-weight:550;display:block}label:first-child{margin-top:0}input[type=text],input[type=email],input[type=number],select,textarea{width:100%;font:inherit;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:9px 11px}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}textarea{resize:vertical;min-height:210px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px}select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);background-position:calc(100% - 16px),calc(100% - 11px);background-repeat:no-repeat;background-size:5px 5px;padding-right:32px}.grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;display:grid}.inline{align-items:flex-end;gap:10px;display:flex}.inline>:first-child{flex:1}.check{align-items:center;gap:8px;margin-top:11px;font-size:13.5px;font-weight:450;display:flex}.check input{width:auto;accent-color:var(--accent)}button{font:inherit;cursor:pointer;color:var(--text);background:var(--card);border:1px solid var(--line);white-space:nowrap;border-radius:8px;padding:9px 15px;font-weight:500}button:hover:not(:disabled){border-color:var(--muted)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}button.danger{color:var(--err-fg)}button.link{color:var(--accent);background:0 0;border:none;padding:0;text-decoration:underline}button:disabled{opacity:.45;cursor:default}.actions{flex-wrap:wrap;gap:9px;margin-top:18px;display:flex}.hint{color:var(--muted);margin-top:7px;font-size:12.5px}code{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:12.5px}.stats{background:var(--bg);border:1px solid var(--line);border-radius:8px;flex-wrap:wrap;gap:26px;padding:14px 16px;display:flex}.stat b{font-size:22px;font-weight:650;line-height:1.2;display:block}.stat span{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px}.bar{background:var(--line);border-radius:99px;height:7px;margin:18px 0 8px;overflow:hidden}.bar>i{background:var(--accent);width:0;height:100%;transition:width .3s;display:block}.msg{white-space:pre-wrap;border-radius:8px;margin-top:16px;padding:11px 13px;font-size:13.5px}.msg.ok{background:var(--ok-bg);color:var(--ok-fg)}.msg.err{background:var(--err-bg);color:var(--err-fg)}.msg.info{background:var(--info-bg);color:var(--info-fg)}pre.prev{background:var(--bg);border:1px solid var(--line);white-space:pre-wrap;word-break:break-word;border-radius:8px;margin:5px 0 0;padding:11px;font-size:13px;overflow-x:auto}.auto{border:1px solid var(--line);background:var(--bg);border-radius:8px;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;display:flex}.auto .t{font-weight:550}.switch{flex:none;width:44px;height:25px;position:relative}.switch input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute}.switch i{background:var(--line);pointer-events:none;border-radius:99px;transition:all .2s;position:absolute;inset:0}.switch i:after{content:"";background:#fff;border-radius:50%;width:19px;height:19px;transition:all .2s;position:absolute;top:3px;left:3px}.switch input:checked+i{background:var(--accent)}.switch input:checked+i:after{transform:translate(19px)}.hero{text-align:center;max-width:520px;margin:12vh auto 0;padding:0 18px}.hero h1{letter-spacing:-.4px;margin:0 0 10px;font-size:32px}.hero p{color:var(--muted);margin:0 0 26px}.gbtn{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:10px;align-items:center;gap:11px;padding:12px 20px;font-weight:550;text-decoration:none;display:inline-flex}.gbtn:hover{border-color:var(--muted)}.features{text-align:left;max-width:400px;color:var(--muted);margin:36px auto 0;font-size:14px}.features li{margin-bottom:8px}.seqstep{border:1px solid var(--line);background:var(--bg);border-radius:9px;margin-bottom:12px;padding:15px}.seqhead{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:4px;display:flex}.seqhead .tag{letter-spacing:.4px;text-transform:uppercase;background:var(--accent);color:#fff;border-radius:5px;padding:3px 8px;font-size:11px;font-weight:700}.seqhead .when{color:var(--muted);font-size:12.5px}.seqhead .rm{margin-left:auto}.delay{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}.delay input{width:72px}.arrow{text-align:center;color:var(--muted);margin:-4px 0 8px;font-size:18px;line-height:1}table.stats-table{border-collapse:collapse;width:100%;font-size:13.5px}table.stats-table th,table.stats-table td{text-align:left;border-bottom:1px solid var(--line);padding:9px 10px}table.stats-table th{text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-size:11px;font-weight:600}table.stats-table td.num,table.stats-table th.num{text-align:right;font-variant-numeric:tabular-nums}table.stats-table tr:last-child td{border-bottom:none}.scroll{overflow-x:auto}.badge{border-radius:5px;padding:2px 7px;font-size:11px;font-weight:600;display:inline-block}.badge.ok{background:var(--ok-bg);color:var(--ok-fg)}.badge.warn{background:var(--err-bg);color:var(--err-fg)}.badge.mute{background:var(--line);color:var(--muted)}.spin{vertical-align:-2px;border:2px solid;border-top-color:#0000;border-radius:50%;width:13px;height:13px;margin-right:7px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}