:root{--bg:#070b14;--panel:#0e1424;--line:#1f2a44;--text:#cfd6e6;--dim:#8a93a8;--accent:#e8a33d;--ok:#4cc38a;--bad:#ef5b5b;--info:#5aa9ff;color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0}
body{background:radial-gradient(1200px 600px at 75% -10%,#16254d 0,var(--bg) 60%) fixed;color:var(--text);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100vh}
h1,h2,h3{color:#fff;margin:0}
a{color:var(--accent)}
.hidden{display:none!important}
.brand{font-weight:800;letter-spacing:.3em;font-size:13px;color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{width:100%;background:#0a0f1d;border:1px solid var(--line);border-radius:9px;padding:10px 12px;outline:0}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #e8a33d33}
textarea{min-height:260px;resize:vertical;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px}
label{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim);margin:14px 0 6px}
.btn{border:1px solid var(--line);background:#141c33;border-radius:9px;padding:9px 14px;cursor:pointer;font-weight:600}
.btn:hover{border-color:#34457a}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn.primary{background:var(--accent);color:#1a1204;border-color:var(--accent)}
.btn.primary:hover{background:#f2b556}
.btn.danger{color:var(--bad);border-color:#5a2630}
.btn.danger:hover{background:#2a1218}
.btn:disabled{opacity:.5;cursor:not-allowed}
.login{min-height:100vh;display:grid;place-items:center;padding:20px}
.login form{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 20px 60px #0008}
.login .btn{width:100%;margin-top:20px;padding:12px}
.err{color:var(--bad);min-height:20px;margin-top:12px;font-size:14px}
header.top{display:flex;align-items:center;gap:18px;padding:14px 22px;border-bottom:1px solid var(--line);background:#0a1020cc;backdrop-filter:blur(8px);position:sticky;top:0;z-index:5;flex-wrap:wrap}
nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
nav button{background:none;border:0;color:var(--dim);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:600}
nav button:hover{color:#fff}
nav button[aria-current=page]{color:#fff;background:#18213b}
main{max-width:1100px;margin:0 auto;padding:26px 22px 60px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:18px 0 26px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.stat b{display:block;font-size:30px;color:#fff;line-height:1.1}
.stat span{color:var(--dim);font-size:13px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px}
.bar{display:flex;gap:10px;margin:16px 0;flex-wrap:wrap;align-items:center}
.bar input{max-width:300px}.bar select{width:auto}
.spacer{flex:1}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right}
.pill{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:700;border:1px solid}
.pill.active,.pill.sent{color:var(--ok);border-color:#1f5a41}
.pill.pending,.pill.sending{color:var(--info);border-color:#244a78}
.pill.unsubscribed,.pill.draft{color:var(--dim);border-color:var(--line)}
.pill.failed{color:var(--bad);border-color:#5a2630}
.pager{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:14px;color:var(--dim)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:820px){.cols{grid-template-columns:1fr}}
iframe{width:100%;height:560px;border:1px solid var(--line);border-radius:12px;background:#070b14}
.hint{color:var(--dim);font-size:13px;margin-top:6px}
.toast{position:fixed;right:18px;bottom:18px;background:#18213b;border:1px solid #34457a;border-radius:10px;padding:12px 16px;max-width:360px;z-index:20}
.toast.bad{border-color:#5a2630;color:#ffd0d0}
dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:14px;padding:22px;max-width:440px}
dialog::backdrop{background:#000a}
dialog .row{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
@media(prefers-reduced-motion:no-preference){.btn,nav button{transition:background .15s,border-color .15s}}
.logintitle{margin-top:10px;font-size:22px}
.chart{width:100%;height:auto;display:block;margin-top:8px}
.chart .grid-l{stroke:var(--line);stroke-width:1}
.chart .ax{fill:var(--dim);font-size:11px}
.chart .line{fill:none;stroke-width:2;stroke-linejoin:round}
.chart .line.info{stroke:var(--info)}.chart .line.accent{stroke:var(--accent)}
.chart .bar.ok{fill:var(--ok)}.chart .bar.bad{fill:var(--bad)}