:root{
  --bg:#0b1220; --panel:#0f172a; --panel2:#131f36; --line:#22304c;
  --text:#e6edf7; --muted:#93a4be; --accent:#38bdf8; --accent2:#2563eb;
  --ok:#22c55e; --warn:#f59e0b; --err:#ef4444;
  --blue:#3b82f6; --yellow:#eab308; --red:#ef4444; --green:#22c55e; --routine:#64748b;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:radial-gradient(1200px 600px at 70% -10%, #16233f 0%, var(--bg) 60%);color:var(--text);
  font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
h1{font-size:22px;margin:.2em 0 .6em}
h2{font-size:16px;margin:1.4em 0 .5em}
.muted{color:var(--muted)}.small{font-size:12.5px}.grow{flex:1}.nowrap{white-space:nowrap}
.error{color:#fecaca;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);padding:.5em .7em;border-radius:10px}

/* layout */
.center{display:grid;place-items:center;min-height:100vh;padding:20px}
.wrap{max-width:880px;margin:0 auto;padding:18px 16px 60px}
.wrap.narrow{max-width:560px}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;padding:12px 16px;
  background:rgba(11,18,32,.82);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:700;letter-spacing:.2px}
.tabs{display:flex;gap:4px;flex-wrap:wrap;flex:1}
.tabs a{padding:6px 11px;border-radius:999px;color:var(--muted);font-weight:600;font-size:13.5px}
.tabs a.active{color:var(--text);background:var(--panel2)}
.logout{margin-left:auto}

/* cards & forms */
.card{background:linear-gradient(180deg,var(--panel) 0%,var(--panel2) 120%);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;margin:0 0 14px;box-shadow:0 1px 0 rgba(255,255,255,.02)}
.card.auth{width:min(380px,92vw);padding:26px}
.stack{display:flex;flex-direction:column;gap:12px}
label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted)}
label.chk{flex-direction:row;align-items:center;gap:8px;color:var(--text)}
label.chk.big{font-size:15px;font-weight:600;margin-bottom:10px}
input,select,textarea{background:#0a1526;border:1px solid var(--line);color:var(--text);border-radius:10px;
  padding:9px 11px;font:inherit;width:100%}
input[type=checkbox]{width:auto}
textarea{resize:vertical}
button{cursor:pointer;border:0;border-radius:10px;padding:9px 14px;font:inherit;font-weight:650;color:#04101f;
  background:var(--accent)}
button.primary{background:var(--accent);width:100%;padding:12px}
button.secondary{background:#1d2b45;color:var(--text);border:1px solid var(--line)}
button.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
button.ghost.danger,button .danger{color:#fca5a5}
button.small{padding:5px 10px;font-size:12.5px}
.rowhead{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}

/* signal buttons */
.sigrow{display:flex;flex-wrap:wrap;gap:8px}
.sig{color:#04101f;font-weight:700}
.sig.routine{background:var(--routine);color:#fff}
.sig.blue{background:var(--blue);color:#fff}
.sig.yellow{background:var(--yellow)}
.sig.red{background:var(--red);color:#fff}
.sig.green{background:var(--green);color:#04101f}

/* templates */
.tpls{display:flex;flex-direction:column;gap:14px}
.tplgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.tplgrid .wide{grid-column:1/-1}
.tplactions{display:flex;align-items:center;gap:8px;margin-top:12px}

/* schedule */
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:6px 0 12px}
#curve{width:100%;background:#0a1526;border:1px solid var(--line);border-radius:10px;margin:6px 0}

/* schedules editor */
.addsched .sgrid{margin:8px 0 10px}
.sched .rowhead{align-items:center}
.sched .s-name{font-weight:700;font-size:15px;width:auto;min-width:160px;flex:1;background:transparent;border:1px solid transparent;border-radius:8px;padding:4px 8px}
.sched .s-name:hover,.sched .s-name:focus{border-color:var(--line);background:#0a1526}
.sched .chk.big{flex:1;gap:10px}
.params{margin:4px 0 8px;border:1px solid var(--line);border-radius:10px;background:rgba(10,21,38,.5)}
.params summary{cursor:pointer;padding:9px 12px;color:var(--muted);font-weight:600;font-size:13px}
.params[open] summary{border-bottom:1px solid var(--line)}
.pgroup{padding:10px 12px;border-top:1px solid rgba(34,48,76,.5)}
.pgroup:first-of-type{border-top:0}
.pgtitle{font-size:12px;color:var(--accent);font-weight:700;margin-bottom:8px;text-transform:uppercase;letter-spacing:.4px}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pgrid label{font-size:12px}
.previewout{margin-top:10px}
.pv{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.pvday{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px}
.pvd{color:var(--muted);min-width:120px}
.pvchip{background:#1d2b45;border:1px solid var(--line);border-radius:999px;padding:2px 9px;font-size:12.5px;font-variant-numeric:tabular-nums}
.pvchip.a{background:rgba(59,130,246,.18);color:#bfdbfe;border-color:transparent}
.pvchip.b{background:rgba(245,158,11,.18);color:#fde68a;border-color:transparent}
@media(max-width:620px){.pgrid{grid-template-columns:1fr 1fr}}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{ text-align:left;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line);padding:7px 8px}
.tbl td{padding:7px 8px;border-bottom:1px solid rgba(34,48,76,.5);vertical-align:top}
.tag{display:inline-block;font-size:11px;padding:1px 7px;border-radius:999px;background:#1d2b45;color:var(--muted)}
.tag.t-manual{background:rgba(59,130,246,.18);color:#93c5fd}
.tag.t-auto{background:rgba(245,158,11,.18);color:#fcd34d}
.tag.t-sched{background:rgba(34,197,94,.18);color:#86efac}
.inviterow,.invitelink{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}
code{background:#0a1526;border:1px solid var(--line);border-radius:7px;padding:2px 6px;font-size:12px}

/* recipient */
.status .statusline{display:flex;gap:12px;align-items:center;margin-bottom:8px}
.dot{width:12px;height:12px;border-radius:50%;flex:none;box-shadow:0 0 0 4px rgba(255,255,255,.04)}
.dot.on{background:var(--ok)}.dot.off{background:var(--muted)}
.status button.primary{margin-top:14px}
.feedhead{margin-left:2px}
.feed{display:flex;flex-direction:column;gap:10px}
.msg{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--routine);border-radius:12px;padding:12px 14px}
.msg.blue{border-left-color:var(--blue)}.msg.yellow{border-left-color:var(--yellow)}
.msg.red{border-left-color:var(--red)}.msg.green{border-left-color:var(--green)}
.msgtop{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.msg time{color:var(--muted);font-size:12px;white-space:nowrap}
.msg p{margin:.4em 0 .6em}
.msg .ack{margin-top:2px}

/* misc */
.loading{color:var(--muted);padding:20px 0}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#0a1526;border:1px solid var(--line);
  color:var(--text);padding:10px 16px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.4);z-index:20;max-width:90vw}
.toast.ok{border-color:rgba(34,197,94,.5)}.toast.err{border-color:rgba(239,68,68,.5)}
@media(max-width:620px){.tplgrid,.sgrid{grid-template-columns:1fr 1fr}.tabs a{padding:6px 8px}}
@media(max-width:440px){.sgrid{grid-template-columns:1fr}}