:root {
  --page-bg: #eef0f4;
  --text-color: #000000;
  --border-color: #222222;
  --panel-gap: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Courier Prime Code", Consolas, monospace;
  font-size: 20px;
  background: var(--page-bg);
  color: var(--text-color);
}

.page {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 28px 24px;
}

.nadpis {
  font-family: "Courier Prime Code", Consolas, monospace;
  font-size: 48px;
  color: var(--text-color);
  text-align: center;
  margin: 0 0 28px 0;
  line-height: 1;
}

.settings-panel {
  background: var(--page-bg);
  border: 1px solid var(--border-color);
  padding: 22px 28px;
  width: calc((100% - (2 * var(--panel-gap))) / 3);
  margin: 0 auto var(--panel-gap);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.control-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.graphs {
  background: var(--page-bg);
  border: 1px solid var(--border-color);
  padding: 18px;
  margin-bottom: var(--panel-gap);
}

.graph-titles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.canvas-box {
  margin-top: 14px;
  overflow-x: auto;
}

.canvas-box canvas {
  display: block;
  /* p5 nastavuje plátnu inline width v px, preto !important */
  width: 100% !important;
  height: auto !important;
}

.prehravanie {
  background: var(--page-bg);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--panel-gap);
  border: none;
  padding: 0;
  align-items: center;
}

.playback-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--border-color);
  padding: 14px 20px;
  min-height: 68px;
}

.playback-card-wide {
  grid-column: span 2;
  grid-template-columns: auto 1fr 1fr;
}

.playback-mode {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.card-title {
  margin: 0;
  font-size: 24px;
  text-align: center;
}

.card-text {
  margin: 0;
  text-align: center;
  color: var(--text-color);
  line-height: 1.5;
  min-height: 48px;
}

.card-text-2 {
  margin: 0;
  text-align: left;
  color: var(--text-color);
  line-height: 1.3;
  min-height: 0;
  font-size: 20px;
  font-weight: 600;
}

.control-row label {
  font-weight: 600;
  font-size: 20px;
  white-space: nowrap;
}

.control-row input[type="range"] {
  width: 100%;
}

.button-row {
  background-color: var(--page-bg);
  border: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: auto;
}

.audio-btn {
  border: 1px solid var(--border-color);
  background: var(--page-bg);
  color: var(--text-color);
  padding: 12px 22px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.play-btn {
  background: var(--page-bg);
  color: var(--text-color);
}

.play-btn:hover {
  background: var(--text-color);
  color: var(--page-bg);
}

.stop-btn {
  background: var(--page-bg);
  color: var(--text-color);
}

.stop-btn:hover {
  background: var(--text-color);
  color: var(--page-bg);
}


label,
select,
input,
button {
  font: inherit;
}

input[type="range"] {
  accent-color: var(--text-color);
}

canvas {
  display: block;
}

@media (max-width: 1000px) {
  .settings-panel {
    width: 100%;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .nadpis {
    font-size: 34px;
  }
  .prehravanie {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .playback-card,
  .playback-card-wide {
    grid-template-columns: 1fr;
  }

  .playback-mode {
    justify-content: space-between;
  }
}

#DitherType,
#SignalType {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  background: var(--page-bg);
  color: var(--text-color);
}

.volume-control-section {
  background: var(--page-bg);
  border: 1px solid var(--border-color);
  padding: 14px 20px;
  margin-top: var(--panel-gap);
  width: calc((100% - (2 * var(--panel-gap))) / 3);
  margin-left: auto;
  margin-right: auto;
}

.volume-control-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.volume-control-row label {
  font-weight: 600;
  font-size: 20px;
  white-space: nowrap;
}

.volume-control-row #VolumeSlider {
  width: 100%;
}

.volume-control-row #volumeValue {
  font-weight: 600;
  min-width: 50px;
  text-align: right;
}

@media (max-width: 1000px) {
  .volume-control-section {
    width: 100%;
  }
}