:root{--bg:#f5f7fb;--surface:#fff;--ink:#182336;--muted:#58677d;--border:#dce3ed;--blue:#2458d3;--blue-soft:#eaf0ff;--green:#176c50;--red:#b32b37;--radius:14px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button,.button{min-height:44px;padding:10px 18px;background:var(--blue);border:1px solid transparent;border-radius:8px;color:white;font-weight:600;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:12px}button:hover,.button:hover{filter:brightness(.94);text-decoration:none}button:active{filter:brightness(.86)}:focus-visible{outline:3px solid 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9px;font-size:12px;font-weight:600;color:#795510;background:#fff4db;white-space:normal}.delivered{color:var(--green);background:#e7f5ee}.failed,.bounced,.uncertain{color:var(--red);background:#fcecee}.accepted,.sending{color:var(--blue);background:var(--blue-soft)}.cancelled{color:var(--muted);background:#eef1f6}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{font-size:11px;color:var(--muted);letter-spacing:.4px;background:#f9fafc;white-space:nowrap}td,th{padding:15px 12px;border-bottom:1px solid var(--border);vertical-align:top}td strong{font-weight:600;overflow-wrap:anywhere}td small{display:block;color:var(--muted);margin-top:5px}code,.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;overflow-wrap:anywhere}.dns-value{min-width:210px;max-width:460px;word-break:break-all}.empty{padding:44px 24px;text-align:center;color:var(--muted)}.form-row{display:flex;gap:16px;align-items:flex-end}.form-row>div{flex:1;min-width:0}.form-row button{flex-shrink:0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.cards .panel{margin-bottom:0}.cards+.panel{margin-top:24px}.notice{padding:14px 18px;border:1px solid #cbd9fa;background:var(--blue-soft);border-radius:8px;margin-bottom:20px;color:#224583}.notice.error{color:var(--red);background:#fff0f0;border-color:#efc6cb}.notice.success{color:var(--green);background:#e7f5ee;border-color:#b6ddcc}.actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}.actions form{margin:0}.caption{font-size:12px;color:var(--muted)}details{margin-top:16px}summary{cursor:pointer;color:var(--blue);min-height:44px;display:list-item;align-content:center}hr{border:0;border-top:1px solid var(--border);margin:24px 0}.filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:end}.filters>a{padding:10px 0}.pagination{display:flex;gap:24px;justify-content:center;align-items:center;margin-top:22px}.timeline{padding-left:25px}.timeline li{padding:12px}.timeline strong{display:block;margin-top:8px}footer{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);border-top:1px solid var(--border);margin-top:44px;padding-top:20px}.auth{min-height:100vh;display:grid;place-content:center;padding:24px;background:radial-gradient(ellipse at 10% 10%,#e0eaff,transparent 60%)}.login-card{max-width:470px;background:var(--surface);padding:44px;border:1px solid var(--border);border-radius:18px;box-shadow:0 12px 40px #1938660a}.login-card h1{margin:18px 0}.login-card form{margin-top:30px}.login-card button{width:100%;margin:22px 0 12px}.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:10px;z-index:10;background:white;padding:10px} @media(max-width:1100px){.workspace{padding:28px}.metrics{grid-template-columns:repeat(2,1fr)}.form-row{flex-wrap:wrap}.form-row>div{min-width:180px}}@media(max-width:720px){.sidebar{position:static;width:auto;padding:18px;border-right:0;border-bottom:1px solid var(--border)}.brand{margin:0 0 18px;font-size:24px}.nav-caption,.sidebar-foot{display:none}nav{display:flex;overflow-x:auto;gap:5px}nav a{white-space:nowrap;margin:0;padding:10px}.workspace{margin:0;padding:24px 16px}.page-head{align-items:flex-start}.page-head>.badge{max-width:100px}h1{font-size:26px}.metrics{gap:12px}.metric{padding:16px}.metric strong{font-size:30px}.panel{padding:18px}.cards{grid-template-columns:1fr;gap:18px}.route{display:block}.route .button{margin-top:18px}.form-row{display:block}.form-row>div{margin-bottom:16px}.filters{grid-template-columns:1fr 1fr}.form-row button{width:100%}.login-card{padding:28px}.login-card h1{font-size:26px}td,th{padding:12px 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.filters>div{min-width:0}.filters input,.filters select{min-width:0}