:root{--bg:#0f1115;--card:#181b22;--line:#262b35;--fg:#e6e8ee;--muted:#8b93a3;
  --pri:#3b82f6;--del:#ef4444;--keep:#22c55e;--unsub:#f59e0b;--pin:#a855f7;}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
a{color:var(--pri);text-decoration:none}
.topbar{display:flex;align-items:center;gap:18px;padding:12px 20px;
  background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:16px;color:var(--fg)}
.topbar nav{display:flex;gap:16px;flex:1}
.topbar nav a{color:var(--muted)}.topbar nav a:hover{color:var(--fg)}
.acctbar{display:flex;gap:8px;align-items:center;padding:8px 20px;
  background:#13161c;border-bottom:1px solid var(--line);color:var(--muted)}
.chip{padding:3px 10px;border:1px solid var(--line);border-radius:14px;color:var(--muted)}
.chip.active{background:var(--pri);color:#fff;border-color:var(--pri)}
.container{max-width:1100px;margin:24px auto;padding:0 20px}
h1{font-size:22px;margin:.2em 0}h2{font-size:16px;margin:1.4em 0 .6em}
.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,monospace}
.nowrap{white-space:nowrap}.trunc{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row{display:flex;gap:10px;align-items:center}.between{justify-content:space-between}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0}
.card.empty{text-align:center;padding:40px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}
.stat .num{font-size:28px;font-weight:700}.stat .lbl{color:var(--muted);font-size:12px}
.btn{background:#222732;color:var(--fg);border:1px solid var(--line);border-radius:7px;
  padding:7px 12px;cursor:pointer;font-size:13px}
.btn:hover{border-color:#3a4151}.btn-sm{padding:3px 8px;font-size:12px}
.btn-primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn-danger{background:transparent;border-color:var(--del);color:var(--del)}
.inline{display:inline}
.tbl{width:100%;border-collapse:collapse;margin:10px 0}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.tbl tr.dim{opacity:.45}
.tag{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase}
.tag.delete{background:#3a1b1f;color:#fda4af}.tag.keep{background:#15321f;color:#86efac}
.tag.unsubscribe,.tag.label{background:#3a2c12;color:#fcd34d}
.tag.none{background:#23262e;color:var(--muted)}.tag.pin{background:#2c1b3a;color:#d8b4fe}
.rung{display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;
  border-radius:50%;font-weight:700;background:#23262e}
.rung.r1{color:#9ca3af}.rung.r2{background:#1d3a5f;color:#93c5fd}.rung.r3{background:#15321f;color:#86efac}
.bar{height:4px;background:#23262e;border-radius:3px;margin-top:3px;overflow:hidden}
.bar span{display:block;height:100%;background:var(--pri);transition:width .3s ease}
.bar.big{height:12px;border-radius:6px;margin:8px 0}
.progress-card{border-color:var(--pri)}
button:disabled{opacity:.5;cursor:not-allowed}
.actfilter{cursor:pointer;text-align:center;min-width:96px;padding:8px 14px;color:var(--fg)}
.actfilter:hover{border-color:#3a4151}
.actfilter.active{border-color:var(--pri);background:#16263f}
.studio-grid{display:grid;grid-template-columns:1fr 40px 1fr;gap:12px;align-items:start}
.studio-arrow{font-size:28px;color:var(--muted);text-align:center;padding-top:40px}
.grp{border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:8px 0;background:#13161c}
.chat-msg{padding:6px 10px;border-radius:8px;margin:5px 0;max-width:80%}
.chat-msg.user{background:#1d3a5f;margin-left:auto}
.chat-msg.assistant{background:#23262e}
#chat-log{display:flex;flex-direction:column;max-height:320px;overflow-y:auto}
@media(max-width:760px){.studio-grid{grid-template-columns:1fr}.studio-arrow{display:none}}
.flash{padding:10px 14px;border-radius:8px;margin:8px 0}
.flash.success{background:#15321f;color:#86efac}.flash.error{background:#3a1b1f;color:#fda4af}
.ruleform{display:flex;gap:8px;flex-wrap:wrap}.ruleform input,.ruleform select{flex:0}
input,select{background:#0e1014;color:var(--fg);border:1px solid var(--line);
  border-radius:6px;padding:6px 8px}
.foot{color:var(--muted);text-align:center;padding:24px;font-size:12px}
code{background:#0e1014;padding:1px 5px;border-radius:4px;font-family:ui-monospace,monospace}
@media(max-width:760px){.cards{grid-template-columns:repeat(2,1fr)}.topbar{flex-wrap:wrap}}