:root{--bg:#0b1118;--panel:#111a24;--panel2:#16212d;--line:#223041;--text:#e6edf3;--muted:#8b9bb0;--accent:#e8862e;--accent2:#f3a35a;--green:#2ecc71;--red:#e05a4f;--yellow:#f1c40f;--blue:#4aa3ff;--radius:12px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:inherit;font-size:14px}
a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}
.top{display:flex;align-items:center;gap:18px;padding:10px 18px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:20}
.top .brand{font-weight:800;letter-spacing:.02em;color:#fff}.top .brand b{color:var(--accent)}
.top nav{display:flex;gap:4px;flex-wrap:wrap}.top nav a{padding:7px 12px;border-radius:8px;color:var(--muted);font-weight:600}.top nav a.on,.top nav a:hover{background:var(--panel2);color:#fff;text-decoration:none}
.top .spacer{flex:1}.top .live{font-size:12px;color:var(--muted)}.top .live i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:6px;box-shadow:0 0 8px var(--green)}
.wrap{padding:18px;max-width:1600px;margin:0 auto}
h1{font-size:20px;margin:0 0 14px}h2{font-size:15px;margin:0;color:#fff}
.grid{display:grid;gap:12px}.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.kpi .v{font-size:26px;font-weight:800;color:#fff;line-height:1.1;margin-top:4px}.kpi .l{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}.kpi .s{font-size:12px;color:var(--muted);margin-top:6px}
.sec{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-bottom:12px;overflow:hidden}
.sec>summary{list-style:none;cursor:pointer;padding:12px 14px;display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;user-select:none}.sec>summary::-webkit-details-marker{display:none}.sec>summary::before{content:'▸';color:var(--accent);transition:transform .15s}.sec[open]>summary::before{transform:rotate(90deg)}.sec>summary .n{margin-left:auto;color:var(--muted);font-weight:600;font-size:12px}
.sec .body{padding:0 14px 14px}
table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;color:var(--muted);font-weight:700;font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:8px 8px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel)}td{padding:8px;border-bottom:1px solid var(--line);vertical-align:top}tr:hover td{background:rgba(255,255,255,.02)}
.tbl{max-height:60vh;overflow:auto;border:1px solid var(--line);border-radius:10px}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.02em;background:var(--panel2);color:var(--muted);white-space:nowrap}
.pill.ok{background:rgba(46,204,113,.15);color:var(--green)}.pill.warn{background:rgba(241,196,15,.15);color:var(--yellow)}.pill.bad{background:rgba(224,90,79,.15);color:var(--red)}.pill.acc{background:rgba(232,134,46,.18);color:var(--accent2)}.pill.blue{background:rgba(74,163,255,.15);color:var(--blue)}
button,.btn{font:inherit;font-weight:700;font-size:13px;padding:8px 12px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);color:#fff;cursor:pointer}button:hover,.btn:hover{border-color:var(--accent)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{background:rgba(224,90,79,.15);border-color:rgba(224,90,79,.4);color:#ffb3ad}button:disabled{opacity:.5;cursor:not-allowed}button.sm{padding:4px 9px;font-size:12px}
input,select,textarea{font:inherit;font-size:13px;background:#0d141c;border:1px solid var(--line);color:#fff;border-radius:8px;padding:8px 10px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}textarea{width:100%;min-height:70px;resize:vertical}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}.toolbar .tabs{display:flex;gap:4px}.toolbar .tabs a{padding:6px 12px;border-radius:999px;color:var(--muted);font-weight:700;border:1px solid transparent}.toolbar .tabs a.on{background:var(--accent);color:#fff}
.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
.toast{position:fixed;right:18px;bottom:18px;background:#1b2735;border:1px solid var(--line);color:#fff;padding:10px 14px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.5);z-index:50;display:none}.toast.show{display:block}
/* messages hub */
.hub{display:grid;grid-template-columns:380px 1fr;gap:12px;height:calc(100vh - 150px);min-height:520px}
.hub .list{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;min-height:0}
.hub .list .items{overflow-y:auto;flex:1;min-height:0}
.hub .item{display:block;padding:10px 12px;border-bottom:1px solid var(--line);color:inherit;cursor:pointer}.hub .item:hover{background:var(--panel2);text-decoration:none}.hub .item.on{background:var(--panel2);border-left:3px solid var(--accent)}
.hub .item .row{display:flex;justify-content:space-between;gap:8px;align-items:baseline}.hub .item .name{font-weight:700;color:#fff}.hub .item .when{font-size:11px;color:var(--muted);white-space:nowrap}.hub .item .prev{font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hub .item .biz{font-size:11px;color:var(--muted)}
.hub .thread{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;min-height:0}
.hub .head{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:center;flex-wrap:wrap}.hub .head .who{font-size:17px;font-weight:800;color:#fff}.hub .head .meta{color:var(--muted);font-size:12px}
.hub .msgs{flex:1;min-height:0;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.hub .msgs::-webkit-scrollbar{width:10px}.hub .msgs::-webkit-scrollbar-thumb{background:#2b3a4d;border-radius:6px}
.bub{max-width:72%;padding:10px 14px;border-radius:16px;line-height:1.45;white-space:pre-wrap;word-break:break-word}.bub.in{align-self:flex-start;background:#1e2a38;border-bottom-left-radius:4px}.bub.out{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}.bub.ops{background:#2f6fb0}
.bub .t{display:block;font-size:10px;opacity:.7;margin-top:5px}
.hub .compose{border-top:1px solid var(--line);padding:12px;display:flex;gap:8px;align-items:flex-end}.hub .compose textarea{flex:1;min-height:44px}
.hub .sys{align-self:center;font-size:11px;color:var(--muted);background:var(--panel2);padding:4px 10px;border-radius:999px}
.hub .leadbox{margin:10px 16px 0;padding:10px 12px;border-radius:10px;background:rgba(232,134,46,.1);border:1px solid rgba(232,134,46,.35);font-size:12px}
/* playground */
.pg{display:grid;grid-template-columns:1fr 360px;gap:12px}.pg .chat{min-height:60vh}.pg .side .card{margin-bottom:12px}
.pg .msgs{height:55vh;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:14px;background:#0d141c;border-radius:10px;border:1px solid var(--line)}
.state{font-size:12px;color:var(--muted)}.state b{color:#fff}
pre.prompt{white-space:pre-wrap;font-size:11px;line-height:1.4;color:#c7d2de;max-height:40vh;overflow:auto;background:#0d141c;padding:10px;border-radius:8px;border:1px solid var(--line)}
.login{max-width:360px;margin:14vh auto;padding:26px}.login h1{margin-bottom:14px}.login input{width:100%;margin:8px 0 14px}
@media(max-width:900px){.hub{grid-template-columns:1fr;height:auto}.hub .list{max-height:40vh}.pg{grid-template-columns:1fr}}
.drop{border:2px dashed #2b3a4d;border-radius:10px;padding:18px;text-align:center;transition:border-color .15s,background .15s}
.drop.over{border-color:#e8862e;background:rgba(232,134,46,.06)}
.drop.ok{border-color:#3fae6a}

/* campaign card: collapsed "targeted zips by client" folder (owner 2026-09-03) */
details.zipfold{margin:8px 0;border:1px solid var(--line,#2a2f3a);border-radius:8px;background:rgba(255,255,255,.02)}
details.zipfold summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:6px 10px;font-weight:600;font-size:12px;color:var(--muted);user-select:none}
details.zipfold summary::-webkit-details-marker{display:none}
details.zipfold summary::before{color:var(--accent);font-weight:700}
details.zipfold[open] summary{color:#fff}
details.zipfold summary::before{content:'—';transform:none}
details.zipfold[open] summary::before{content:'—';transform:none}
details.zipfold summary .n{margin-left:0;font-weight:500}
details.zipfold .zips{padding:0 10px 10px 28px;line-height:1.8;word-break:break-word}

/* #1 next ZIP per client (owner 2026-09-03) */
.nextzip{margin:8px 0;padding:8px 10px;border:1px solid rgba(232,134,46,.45);border-radius:8px;background:rgba(232,134,46,.08);font-size:13px;line-height:1.7}
.nextzip .big{font-size:15px;font-weight:700;color:#fff}

.grid.g2{grid-template-columns:1fr 1fr}
@media(max-width:900px){.grid.g2{grid-template-columns:1fr}}
.segcount{display:block;margin-top:3px;min-height:14px}

/* message editor tools (owner 2026-09-04) */
.grid.g1{grid-template-columns:1fr}
.msgtools{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:2px 0 6px;flex-wrap:wrap}
button.ghost{background:transparent;border:1px solid var(--line);color:#fff;border-radius:8px;cursor:pointer;font:inherit}
button.ghost.small{padding:4px 10px;font-size:12px}
button.ghost:hover{border-color:var(--accent)}
.customvals{margin:0 0 8px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.02)}
.cv{display:inline-block;margin:3px 6px 3px 0;padding:4px 9px;border:1px solid var(--line);border-radius:999px;cursor:pointer;font-size:12px;line-height:1.4}
.cv:hover{border-color:var(--accent)}

details.msgfold summary::before{content:'▸';transition:transform .15s}
details.msgfold[open] summary::before{content:'▸';transform:rotate(90deg)}
details.msgfold summary{color:#fff}

/* step 6: system health strip */
.health-chip{border-left:4px solid #5dbb63}.health-chip.warn{border-left-color:#e8a53a}.health-chip.bad{border-left-color:#e05a4f}.health-chip .hv{font-size:20px}.health-chip.bad .hv{color:#ff8a80}.health-chip.warn .hv{color:#ffd28a}
details.sec.health.bad>summary .n{color:#e05a4f}details.sec.health.warn>summary .n{color:#e8a53a}details.sec.health.ok>summary .n{color:#5dbb63}