*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#12151A;
  --mut:#646B75;
  --dim:#9AA1AB;
  --line:#E4E7EC;
  --line2:#EFF1F4;
  --surf:#F7F8FA;
  --acc:#2B5CE6;
  --ok:#0E7A4F;
  --warn:#B4590F;
  --bad:#B0342C;
  --sans:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
html,body{height:100%}
body{
  margin:0;background:#fff;color:var(--ink);
  font-family:var(--sans);font-size:14px;line-height:1.5;
  -webkit-font-smoothing:antialiased;overflow:hidden;
}

/* ── top ── */
.top{
  height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 18px;border-bottom:1px solid var(--line);background:#fff;
}
.top-l{display:flex;align-items:baseline;gap:11px;min-width:0}
.brand{margin:0;font-size:17px;font-weight:700;letter-spacing:-.02em}
.acct{font-size:13px;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conns{display:flex;gap:7px}
.cx{
  display:flex;align-items:center;gap:6px;font-size:11.5px;color:#3E454E;
  background:var(--surf);border:1px solid var(--line);border-radius:20px;padding:4px 10px;white-space:nowrap;
}
.cx i{width:6px;height:6px;border-radius:50%;background:var(--ok);flex:none}

/* ── grid ── */
.grid{
  display:grid;grid-template-columns:270px minmax(0,1fr) 268px;
  height:calc(100dvh - 54px - 56px);
}
.col{min-width:0;display:flex;flex-direction:column;overflow:hidden}
.feed{border-right:1px solid var(--line);background:var(--surf)}
.rules{border-left:1px solid var(--line);background:var(--surf)}
.col-h{
  flex:none;height:38px;display:flex;align-items:center;justify-content:space-between;
  padding:0 15px;border-bottom:1px solid var(--line);
  font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);
}
.col-h2{border-top:1px solid var(--line)}
.col-h em{
  font-style:normal;font-family:var(--mono);font-size:11px;color:#3E454E;
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:1px 8px;
}

/* ── lead feed ── */
.leads{list-style:none;margin:0;padding:8px;overflow-y:auto;flex:1}
.ld{
  width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:10px 11px;margin-bottom:7px;cursor:pointer;font-family:var(--sans);display:block;
}
.ld:hover{border-color:#C6CBD3}
.ld.is-on{border-color:var(--acc);box-shadow:0 0 0 2px rgba(43,92,230,.13)}
.ld-t{display:flex;align-items:center;justify-content:space-between;gap:8px}
.ld-n{font-size:13.5px;font-weight:600;letter-spacing:-.01em}
.ld-s{font-size:11px;color:var(--dim);font-family:var(--mono)}
.ld-m{margin:5px 0 0;font-size:12px;color:var(--mut);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ld-f{display:flex;align-items:center;gap:6px;margin-top:8px}
.tag{
  font-size:10.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border-radius:4px;padding:2px 6px;
}
.t-hot{background:#FDECEA;color:var(--bad)}
.t-warm{background:#FBF0E3;color:var(--warn)}
.t-dup{background:#EDEFF2;color:#5A616B}
.t-src{background:#EAF0FE;color:var(--acc)}

/* ── run column ── */
.run-h{
  flex:none;min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:9px 20px;border-bottom:1px solid var(--line);
}
.run-name{display:block;font-size:15.5px;font-weight:600;letter-spacing:-.015em}
.rid{font-style:normal;font-family:var(--mono);font-size:12px;font-weight:400;color:var(--dim);margin-left:3px}
.run-sub{display:block;font-size:12.5px;color:var(--mut);margin-top:1px}
.replay{
  flex:none;font-family:var(--sans);font-size:12.5px;font-weight:600;color:#3E454E;
  background:#fff;border:1px solid var(--line);border-radius:7px;padding:6px 13px;cursor:pointer;
}
.replay:hover{border-color:#C6CBD3}

.tl{list-style:none;margin:0;padding:16px 20px 34px;overflow-y:auto;flex:1}
.st{position:relative;padding:0 0 16px 26px}
.st::before{
  content:"";position:absolute;left:5px;top:15px;bottom:0;width:1px;background:var(--line);
}
.st:last-child::before{display:none}
.st-dot{
  position:absolute;left:0;top:5px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--dim);
}
.k-ok .st-dot{border-color:var(--ok);background:var(--ok)}
.k-stop .st-dot{border-color:var(--bad);background:var(--bad)}
.k-hold .st-dot{border-color:var(--warn);background:var(--warn)}
.st-h{display:flex;align-items:baseline;gap:9px}
.st-h b{font-size:13.5px;font-weight:600;letter-spacing:-.01em}
.st-t{font-family:var(--mono);font-size:11px;color:var(--dim)}
.st-d{margin:3px 0 0;font-size:13px;color:var(--mut);line-height:1.5;max-width:60ch}
.st-x{margin-top:9px}

/* payload blocks inside a step */
.kv{
  display:grid;grid-template-columns:auto 1fr;gap:3px 14px;
  background:var(--surf);border:1px solid var(--line);border-radius:8px;padding:10px 12px;max-width:520px;
}
.kv dt{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.kv dd{margin:0;font-size:12.5px;color:var(--ink)}
.kv dd b{font-weight:600}

.sms{max-width:330px}
.sms-h{font-family:var(--mono);font-size:11px;color:var(--dim);margin-bottom:5px}
.bub{
  background:var(--acc);color:#fff;border-radius:14px 14px 14px 4px;
  padding:9px 12px;font-size:13px;line-height:1.45;
}
.mail{
  max-width:520px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;
}
.mail-h{padding:8px 12px;border-bottom:1px solid var(--line2);background:var(--surf)}
.mail-h b{display:block;font-size:12.5px}
.mail-h span{font-family:var(--mono);font-size:11px;color:var(--dim)}
.mail-b{padding:10px 12px;font-size:12.5px;color:#3E454E;line-height:1.5}

.slots{display:flex;flex-wrap:wrap;gap:7px;max-width:520px}
.slot{
  font-family:var(--mono);font-size:12px;color:#3E454E;background:#fff;
  border:1px solid var(--line);border-radius:6px;padding:6px 10px;
}
.slot.is-taken{background:var(--ok);border-color:var(--ok);color:#fff;font-weight:500}

.warnbox{
  max-width:520px;background:#FDF3F2;border:1px solid #F0D4D1;border-left:3px solid var(--bad);
  border-radius:6px;padding:10px 12px;font-size:12.5px;color:#7A2620;line-height:1.5;
}
.holdbox{
  max-width:520px;background:#FBF5EC;border:1px solid #EDDCC4;border-left:3px solid var(--warn);
  border-radius:6px;padding:10px 12px;font-size:12.5px;color:#7A4310;line-height:1.5;
}

/* ── rules column ── */
.rl{list-style:none;margin:0;padding:10px 12px;overflow-y:auto}
.rr{display:flex;align-items:flex-start;gap:9px;padding:9px 4px;border-bottom:1px solid var(--line2)}
.rr:last-child{border-bottom:0}
.rr-i{
  flex:none;width:15px;height:15px;border-radius:4px;margin-top:1px;
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:#fff;background:var(--ok);
}
.rr-i.off{background:var(--dim)}
.rr-i.hit{background:var(--bad)}
.rr-b{min-width:0}
.rr-n{font-size:12.5px;font-weight:600;letter-spacing:-.005em}
.rr-s{font-size:11.5px;color:var(--mut);line-height:1.4;margin-top:1px}
.tot{padding:12px 15px}
.tt{display:flex;align-items:baseline;justify-content:space-between;padding:5px 0}
.tt span{font-size:12.5px;color:var(--mut)}
.tt b{font-family:var(--mono);font-size:15px;font-weight:500}

/* ── bottom bar ── */
.bar{
  height:56px;display:flex;align-items:center;gap:9px;padding:0 18px;
  border-top:1px solid var(--line);background:#fff;
}
.b{
  font-family:var(--sans);font-size:13px;font-weight:600;color:#3E454E;
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 14px;cursor:pointer;
}
.b:hover{border-color:#C6CBD3}
.b1{background:var(--acc);border-color:var(--acc);color:#fff}
.b1:hover{background:#2450CC;border-color:#2450CC}
.b:disabled{opacity:.45;cursor:default}

/* ── responsive ── */
@media(max-width:1180px){
  .grid{grid-template-columns:238px minmax(0,1fr) 244px}
  .conns .cx:nth-child(3),.conns .cx:nth-child(4){display:none}
}
@media(max-width:980px){
  body{overflow:auto}
  .top{height:auto;flex-wrap:wrap;gap:8px;padding:10px 14px}
  .conns{width:100%}
  .grid{grid-template-columns:1fr;height:auto}
  .feed{border-right:0;border-bottom:1px solid var(--line)}
  .rules{border-left:0;border-top:1px solid var(--line)}
  .leads{max-height:none;overflow:visible}
  .tl{overflow:visible;padding:14px 16px 24px}
  .run-h{padding:10px 16px}
  .bar{
    position:sticky;bottom:0;height:auto;padding:10px 14px;flex-wrap:wrap;
    box-shadow:0 -6px 18px rgba(0,0,0,.06);
  }
  .b{flex:1 1 auto;font-size:12.5px;padding:9px 10px;text-align:center}
  .kv{grid-template-columns:1fr;gap:1px}
  .kv dt{margin-top:6px}
}