:root{color-scheme:light;--ink:#111217;--muted:#62656e;--line:#e3e4e9;--cyan:#00e5df;--red:#fe2c55}*{box-sizing:border-box}body{margin:0;background:#f6f7fa;color:var(--ink);font:16px/1.55 Arial,Helvetica,sans-serif}header{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 max(24px,calc((100vw - 1440px)/2))}.brand{font-size:23px;font-weight:900;color:var(--ink);text-decoration:none;white-space:nowrap}.brand span{font-size:12px;letter-spacing:1.5px;margin-left:8px}.pill{font-size:11px;letter-spacing:1px;border:1px solid var(--line);padding:5px 10px;border-radius:20px}main{max-width:1488px;padding:36px 24px 20px;margin:auto}.intro{display:flex;align-items:center;justify-content:space-between;gap:40px;margin-bottom:24px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:2px}h1{font-size:42px;line-height:1.1;letter-spacing:-1.6px;margin:12px 0 18px}h1 span{text-decoration:underline;text-decoration-color:var(--cyan);text-underline-offset:6px;text-decoration-thickness:5px}.intro>div>p:last-child{max-width:700px;color:var(--muted)}.notice{max-width:340px;border-left:3px solid var(--red);padding:10px 18px;background:white;border-radius:0 10px 10px 0}.notice p{font-size:14px;margin:8px 0;color:var(--muted)}#message{background:#fff;padding:12px 16px;margin:20px 0;border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:8px;font-size:14px}#message.error{border-left-color:var(--red);color:#a51a36}.workspace{display:grid;grid-template-columns:minmax(290px,.95fr) minmax(320px,1fr) minmax(300px,1.1fr);gap:18px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;min-width:0;box-shadow:0 8px 24px #11121704}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}h2{font-size:17px;margin:0;letter-spacing:-.3px}h2 span{color:#8c8f99;font-size:12px;margin-right:8px}h3{margin:0;font-size:18px}.muted,.hint{color:var(--muted);font-size:14px}.hint{font-size:12px}.badge{font-size:11px;background:#f2f3f6;padding:3px 8px;border-radius:12px;white-space:nowrap}.actions{display:flex;gap:8px;flex-wrap:wrap}button{font:700 13px/1.4 Arial,sans-serif;background:#fff;border:1px solid #cfd1d9;border-radius:7px;padding:10px 13px;cursor:pointer;color:var(--ink);min-height:40px}button:hover:not(:disabled){background:#f0f1f5}button.primary{background:#111217;color:#fff;box-shadow:-2px 2px var(--cyan),2px -2px var(--red);border-color:#111217}button.primary:hover:not(:disabled){background:#30323a}button:disabled{opacity:.45;cursor:not-allowed}button.quiet{padding:3px 6px;min-height:28px;border:0;font-size:12px;color:var(--muted)}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #00a3a0;outline-offset:3px}.status-grid{display:grid;grid-template-columns:1fr 1fr;padding:18px 0;gap:12px}.status-grid>div{background:#f6f7fa;border-radius:8px;padding:10px}.status-grid small{display:block;font-size:9px;letter-spacing:1px;color:var(--muted)}.status-grid strong{font-size:21px}label{display:block;font-size:13px;font-weight:700;margin:10px 0 6px}label span{font-weight:400;font-size:11px}input,textarea{font:14px/1.5 Arial,sans-serif;width:100%;border:1px solid #dcdfe5;border-radius:7px;padding:10px;background:#fafbfd;color:var(--ink)}textarea{font:11px/1.6 Consolas,monospace;resize:vertical;overflow-wrap:anywhere}#copy{width:100%;margin:8px 0}details{margin-top:15px;border-top:1px solid var(--line);padding-top:14px;font-size:13px}summary{cursor:pointer;font-weight:700}pre{font:11px/1.55 Consolas,monospace;background:#f5f6f9;padding:12px;border-radius:7px;white-space:pre-wrap;overflow-wrap:anywhere}.event-card{border:1px solid var(--line);padding:16px;border-radius:10px;margin:14px 0;background:linear-gradient(135deg,#f0ffff,white 70%)}.event-card.gift{background:linear-gradient(135deg,#fff2f5,white 70%)}.event-title{display:flex;align-items:center;gap:12px}.event-icon{font-size:32px;font-weight:bold;width:36px;text-align:center}.event-title code{font-size:11px;color:var(--muted)}.send-row{display:flex;gap:10px}.send-row input{width:90px}.fields{display:grid;grid-template-columns:1fr 1.4fr;gap:10px;margin:8px 0 14px}fieldset{margin:0;border:0;padding:0;min-width:0}.checkbox{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:400}.checkbox input{width:16px;height:16px;accent-color:#111217}.test-tools{border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.test-tools h3{font-size:14px}.test-tools button{font-size:11px;min-height:34px;padding:6px 9px}#receiverStatus{font-size:12px}.logs{position:sticky;top:18px}#log{height:630px;overflow:auto;scrollbar-width:thin}.empty{text-align:center;padding:100px 20px;color:#8a8d98;font-size:14px}.entry{border-top:1px solid var(--line);padding-top:12px;margin:12px 0}.entry header{height:auto;padding:0;border:0;display:flex;font-size:11px;gap:8px}.entry header b{color:#006d70}.entry pre{font-size:11px;margin:8px 0}.entry time{color:#777}footer{font-size:12px;color:var(--muted);padding:16px 0}footer p{margin:6px 0}@media(max-width:1150px){.workspace{grid-template-columns:1fr 1fr}.logs{grid-column:1/-1;position:static}#log{height:350px}.intro{gap:20px}h1{font-size:36px}}@media(max-width:720px){header{padding:0 18px;height:64px}.brand{font-size:19px}.pill{display:none}main{padding:20px 16px}.intro{display:block}h1{font-size:34px}.notice{max-width:none;margin-top:20px}.workspace{display:block}.panel{margin-bottom:16px;padding:18px}.logs{position:static}.section-head{flex-wrap:wrap}}