/* ============================================================================
   signal.css — namespaced tweaks for the Signal module ONLY.
   Palette tokens only (var(--...)); no hardcoded hex, no font imports.
   ========================================================================== */

/* KPI tile: keep value/spark from crowding on tall counts */
.signal-kpi .kpi-value { font-size: 32px; }
.signal-kpi .spark { margin-top: 10px; }

/* dual-series chart legend (sessions area, channel chart) */
.signal-legend { display: flex; gap: 16px; margin: -4px 0 10px; }
.signal-legend .sl {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
}
.signal-legend .sl i { width: 18px; height: 3px; border-radius: 2px; display: inline-block; }
.signal-legend .sl.now i { background: var(--accent1); box-shadow: 0 0 8px var(--glow); }
.signal-legend .sl.prev i { background: var(--accent3); opacity: .85; }

/* channel breakdown rows under the ROAS bars */
.signal-chanlist { display: flex; flex-direction: column; gap: 2px; }
.signal-chan {
  display: grid; grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: 10px;
  padding: 6px 0; border-bottom: 1px solid var(--border);
}
.signal-chan:last-child { border-bottom: none; }
.signal-chan .sc-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.signal-chan .sc-name { font-size: 12px; font-weight: 600; color: var(--text); }
.signal-chan .sc-spend { font-size: 11px; letter-spacing: .3px; }
.signal-chan .sc-roas { font-size: 13px; font-weight: 700; color: var(--accent1); letter-spacing: .5px; }

/* acquisition funnel — tapering bars */
.signal-funnel { display: flex; flex-direction: column; gap: 14px; padding-top: 2px; }
.signal-fstep .fs-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 7px;
}
.signal-fstep .fs-ico {
  width: 26px; height: 26px; border-radius: 8px; flex: none;
  display: grid; place-items: center; font-size: 14px;
  background: var(--panel); border: 1px solid var(--border);
}
.signal-fstep .fs-label { font-size: 13px; font-weight: 600; color: var(--text); flex: 1; }
.signal-fstep .fs-val { font-size: 14px; font-weight: 700; letter-spacing: .5px; }
.signal-fstep .fs-rate {
  font-size: 10px; letter-spacing: 1px; color: var(--accent1);
  border: 1px solid var(--border); border-radius: 20px; padding: 2px 8px;
  background: var(--panel); min-width: 52px; text-align: center;
}
.signal-fstep .fs-rate.faint { color: var(--text-faint); }
.signal-fstep .fs-track {
  height: 12px; border-radius: 7px; background: var(--bg);
  border: 1px solid var(--border); overflow: hidden;
}
.signal-fstep .fs-fill {
  height: 100%; border-radius: 7px;
  background: var(--accent-grad); box-shadow: 0 0 14px var(--glow);
  transition: width 1s var(--ease);
}

/* email/social tone helpers for stat values */
.signal-stats .signal-tone-ok { color: var(--success); }
.signal-stats .signal-tone-info { color: var(--accent2); }
.signal-stats .signal-tone-warn { color: var(--warn); }

/* table tone helpers (ROAS column) + clickable rows */
.signal-tone-ok { color: var(--success); }
.signal-tone-bad { color: var(--danger); }
.signal-camp .table tbody tr { cursor: pointer; }

/* keep the wide campaigns table from overflowing the flush card on mobile */
.signal-tablewrap { width: 100%; overflow-x: auto; }
.signal-tablewrap .table { min-width: 540px; }

/* campaigns footer total row */
.signal-camp .table tfoot td {
  padding: 10px 12px;
  border-top: 1px solid var(--border-hi);
  font-weight: 700;
  color: var(--text);
  background: var(--bg2);
}
.signal-camp .table tfoot .faint { font-size: 10px; letter-spacing: 1px; }

@media (max-width: 560px) {
  .signal-chan { grid-template-columns: auto 1fr auto; }
  .signal-chan .sc-spend { display: none; }
}