/* ─── Gerador FM Estéreo — estilos isolados sob .fm-stereo-wrap ─── */
.fm-stereo-wrap *, .fm-stereo-wrap *::before, .fm-stereo-wrap *::after {
  box-sizing: border-box; margin: 0; padding: 0;
}

.fm-stereo-wrap {
  --bg-primary:   #ffffff;
  --bg-secondary: #f5f5f4;
  --bg-tertiary:  #ebebea;
  --bg-success:   #EAF3DE;
  --bg-danger:    #FCEBEB;
  --bg-info:      #E6F1FB;
  --text-primary:   #1a1a18;
  --text-secondary: #5F5E5A;
  --text-success:   #3B6D11;
  --text-danger:    #A32D2D;
  --text-info:      #185FA5;
  --border-light:  rgba(0,0,0,0.12);
  --border-medium: rgba(0,0,0,0.22);
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-sans: system-ui, -apple-system, sans-serif;

  font-family: var(--font-sans);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 1.5rem;
  min-height: 100vh;
}

@media (prefers-color-scheme: dark) {
  .fm-stereo-wrap {
    --bg-primary:   #1e1e1c;
    --bg-secondary: #2a2a28;
    --bg-tertiary:  #333331;
    --bg-success:   #173404;
    --bg-danger:    #501313;
    --bg-info:      #042C53;
    --text-primary:   #e8e8e4;
    --text-secondary: #B4B2A9;
    --text-success:   #C0DD97;
    --text-danger:    #F7C1C1;
    --text-info:      #B5D4F4;
    --border-light:  rgba(255,255,255,0.10);
    --border-medium: rgba(255,255,255,0.20);
  }
}

.fm-stereo-wrap h1 { font-size: 22px; font-weight: 500; }

.fm-stereo-wrap .container { max-width: 780px; margin: 0 auto; }

.fm-stereo-wrap .panel {
  background: var(--bg-primary);
  border: 0.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 12px;
}

.fm-stereo-wrap .panel-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.fm-stereo-wrap .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fm-stereo-wrap .grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }

.fm-stereo-wrap .metric {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: .75rem 1rem;
}
.fm-stereo-wrap .metric-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.fm-stereo-wrap .metric-value { font-size: 20px; font-weight: 500; color: var(--text-primary); }
.fm-stereo-wrap .metric-unit  { font-size: 12px; color: var(--text-secondary); margin-left: 3px; }

.fm-stereo-wrap .badge { display: inline-block; padding: 2px 10px; border-radius: var(--radius-md); font-size: 12px; font-weight: 500; }
.fm-stereo-wrap .badge-on  { background: var(--bg-success); color: var(--text-success); }
.fm-stereo-wrap .badge-off { background: var(--bg-secondary); color: var(--text-secondary); }

.fm-stereo-wrap .row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.fm-stereo-wrap .row label { font-size: 13px; color: var(--text-secondary); min-width: 160px; }
.fm-stereo-wrap .row input[type=range] { flex: 1; cursor: pointer; }
.fm-stereo-wrap .row .val { font-size: 13px; font-weight: 500; min-width: 60px; text-align: right; color: var(--text-primary); }

.fm-stereo-wrap input[type=text],
.fm-stereo-wrap input[type=number],
.fm-stereo-wrap select {
  font-family: var(--font-sans);
  font-size: 13px;
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border-medium);
  background: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
}
.fm-stereo-wrap input:focus,
.fm-stereo-wrap select:focus { box-shadow: 0 0 0 2px var(--text-info); }

.fm-stereo-wrap .rds-row   { display: grid; grid-template-columns: 130px 1fr; gap: 8px; align-items: center; margin-bottom: 8px; }
.fm-stereo-wrap .rds-label { font-size: 12px; color: var(--text-secondary); }

.fm-stereo-wrap .spectrum {
  width: 100%; height: 90px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.fm-stereo-wrap .vu-wrap  { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 8px 10px; margin-bottom: 6px; }
.fm-stereo-wrap .vu-label { font-size: 11px; color: var(--text-secondary); margin-bottom: 3px; }
.fm-stereo-wrap .vu-track {
  position: relative;
  height: 18px;
  border-radius: 3px;
  overflow: hidden;
  background: var(--bg-tertiary);
}
.fm-stereo-wrap .vu-bar {
  height: 100%;
  border-radius: 0;
  background: linear-gradient(90deg, #1D9E75, #EF9F27, #E24B4A);
  transition: width .07s linear;
  width: 0%;
}
.fm-stereo-wrap .vu-peak {
  position: absolute;
  top: 0; bottom: 0;
  width: 3px;
  border-radius: 1px;
  background: rgba(255,255,255,0.85);
  box-shadow: 0 0 5px rgba(255,255,255,0.5);
  left: 0%;
  pointer-events: none;
}

.fm-stereo-wrap .tx-status {
  display: flex; align-items: center; gap: 8px;
  padding: .5rem .75rem;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border-light);
  background: var(--bg-secondary);
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.fm-stereo-wrap .dot        { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.fm-stereo-wrap .dot-green  { background: #1D9E75; box-shadow: 0 0 6px #1D9E7599; }
.fm-stereo-wrap .dot-red    { background: #E24B4A; }
.fm-stereo-wrap .dot-yellow { background: #EF9F27; box-shadow: 0 0 6px #EF9F2799; }

.fm-stereo-wrap .btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border-medium);
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: background .15s, opacity .15s;
}
.fm-stereo-wrap .btn:hover         { background: var(--bg-secondary); }
.fm-stereo-wrap .btn-primary       { background: var(--bg-info); border-color: #185FA5; color: var(--text-info); }
.fm-stereo-wrap .btn-primary:hover { opacity: .85; }
.fm-stereo-wrap .btn-danger        { background: var(--bg-danger); border-color: #A32D2D; color: var(--text-danger); }
.fm-stereo-wrap .btn-danger:hover  { opacity: .85; }

.fm-stereo-wrap .sep { border: none; border-top: 0.5px solid var(--border-light); margin: 10px 0; }

.fm-stereo-wrap canvas { display: block; width: 100%; height: 100%; }

.fm-stereo-wrap .header-row {
  display: flex; align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap; gap: 8px;
}

.fm-stereo-wrap .action-row {
  display: flex; gap: 10px;
  flex-wrap: wrap; margin-top: 4px;
}

@media (max-width: 520px) {
  .fm-stereo-wrap .grid2,
  .fm-stereo-wrap .grid3 { grid-template-columns: 1fr; }
  .fm-stereo-wrap .row label { min-width: 120px; }
}

/* ─── Mini painel embutido em index.html ─── */
#fm-mini-panel.fm-stereo-wrap {
  min-height: auto;
  background: transparent;
  padding: 6px 0 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
#fm-mini-panel .container { padding: 0 1.5rem; }
#fm-mini-panel .fm-mini-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 9px 14px;
  background: var(--bg-primary);
  border: 0.5px solid var(--border-light);
  border-radius: var(--radius-lg);
}
#fm-mini-panel .fm-enable-lbl {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; font-size: 13px; font-weight: 500;
  white-space: nowrap; color: var(--text-primary);
}
#fm-mini-panel .fm-enable-lbl input[type=checkbox] {
  width: 15px; height: 15px;
  accent-color: #1D9E75; cursor: pointer;
}
#fm-mini-panel .fm-out-group {
  display: flex; align-items: center; gap: 8px;
  margin-left: auto; flex-wrap: wrap;
}
#fm-mini-panel .fm-out-group label {
  font-size: 12px; color: var(--text-secondary); white-space: nowrap;
}
#fm-mini-panel .fm-out-group select {
  width: auto; max-width: 230px; font-size: 12px; padding: 5px 8px;
}
#fm-mini-panel .fm-out-group .btn {
  padding: 4px 8px; font-size: 11px;
}
@media (max-width: 520px) {
  #fm-mini-panel .fm-out-group { margin-left: 0; }
}