.applet--oscillator {
  background: transparent;
  padding: 0.75rem;
}

/* ============================
   Introduction section
   ============================ */

.applet--oscillator .intro {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.applet--oscillator .intro-title {
  font-family: var(--ui);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--text);
  margin: 0;
}

.applet--oscillator .intro-text {
  font-family: var(--ui);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}

.applet--oscillator .color-label {
  font-weight: 700;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  white-space: nowrap;
}

/* Color labels using site palette colors */
.applet--oscillator .color-label.blue {
  color: #7191AF; /* --indigo from site tokens */
  background: rgba(113, 145, 175, 0.15);
}

.applet--oscillator .color-label.red {
  color: #DE8D74; /* --coral from site tokens */
  background: rgba(222, 141, 116, 0.15);
}

/* ============================
   Canvas container
   ============================ */

.applet--oscillator .canvas-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 280px;
}

.applet--oscillator #oscillatorCanvas {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

/* ============================
   Controls
   ============================ */

.applet--oscillator .controls {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.applet--oscillator .control-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  min-width: 0;
  flex-wrap: nowrap;
}

.applet--oscillator .btn-group {
  display: inline-flex;
  gap: 0.45rem;
  flex: 0 0 auto;
  white-space: nowrap;
}

.applet--oscillator .control-row .range {
  width: auto;
  flex: 1 1 auto;
  min-width: 200px;
}

.applet--oscillator .control-row .label {
  flex: 0 0 auto;
  white-space: nowrap;
}

.applet--oscillator .control-row .audio-val {
  flex: 0 0 auto;
  min-width: 50px;
  text-align: right;
}

/* ============================
   Mobile responsiveness
   ============================ */

@media (max-width: 560px) {
  .applet--oscillator .control-row {
    flex-wrap: wrap;
  }

  .applet--oscillator .control-row .range {
    flex: 1 1 100%;
    min-width: 0;
  }

  .applet--oscillator .intro-title {
    font-size: 1rem;
  }

  .applet--oscillator .intro-text {
    font-size: 0.9rem;
  }
}