body {
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-family: 'Segoe UI', system-ui, sans-serif;
  margin: 0;
  padding: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#toRemove {
  z-index: var(--level-4);
}

#midiConnection {
  position: absolute;
  top: -100px;
  width: fit-content;
  height: 50px;
  right: auto;
  border-radius: 0 0 25px 25px;
  font-size: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: var(--level-4);
  padding: 20px;
}

.connected {
  background: var(--accent-green);
  color: var(--text-white);
}

.disconnected {
  background: var(--accent-red);
  color: var(--text-dark);
}

.pending {
  background: var(--accent-orange);
  color: var(--text-white);
}

#container {
  display: grid;
  grid-template-areas: "a b" "c c";
  gap: 40px;
  padding: 20px;
  height: calc(100vh - 40px);
  max-width: 100vw;
  box-sizing: border-box;

  position: relative;
  top: -100px;

  zoom: 80%;
}

#circle {
  aspect-ratio: 1/1;
  width: 100%;
  height: auto;
  margin: auto;
  z-index: var(--level-2);
}

#table-container {
  display: flex;
  aspect-ratio: 1 / 1;
  width: 500px;
  max-width: 500px;
  max-height: 500px;
  margin: auto;
  align-items: center;
  justify-content: center;
}

table {
  width: 500px;
  border-collapse: collapse;
  table-layout: fixed;
}

td {
  border: 1px solid var(--text-white);
  padding: 0px;
  text-align: center;
  color: var(--text-white);
  font-size: 3em;
  position: relative;
  overflow: hidden;
}

td > p {
  text-align: center;
  color: var(--text-white);
  font-size: 1em;
  margin: auto;
  padding: 0;
  overflow: hidden;
  width: fit-content;
}

#waveform {
  position: absolute;
  aspect-ratio: 1/1;
  width: 100%;
  height: 90px;
  bottom: 0;
  right: 0;
  z-index: var(--level-2);
}

.freq {
  color: var(--text-white);
  margin: auto;
  font-weight: bold;
  border-radius: 5px;
  width: fit-content;
  padding: 3px;
  opacity: 1;
}

td.active > .freq, .freq:hover {
  background-color: var(--accent-blue);
  color: var(--text-dark);
  cursor: pointer;
}

td.active > .freq {
  opacity: 0.8;
}

.freq:hover {
  opacity: 1 !important;
}

.key {
  position: absolute;
  color: var(--text-white);
  font-weight: bold;
  font-size: 0.5em;
  top:0;
  right:0;
  padding: 3px;
  border-left: 1px solid var(--text-white);
  border-bottom: 1px solid var(--text-white);
}

.noteName {
  position: absolute;
  color: var(--text-white);
  font-weight: bold;
  font-size: 0.5em;
  top:0;
  left:0;
  padding: 3px;
  border-right: 1px solid var(--text-white);
  border-bottom: 1px solid var(--text-white);
}

.freq, .key {
  font-size: 0.5em;
}

#form {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  margin-top: -10px;
  padding: 5px;
  gap: 10px;
  border-radius: 5px;
  z-index: var(--level-4);
  transition: width 0.3s ease;
}

#form > * {
  transition: width 0.3s ease;
}

input[type="number"] {
  background-color: var(--bg-light);
  color: var(--text-white);
  border: 1px solid var(--text-white);
  border-radius: 5px;
  padding: 5px;
  width: 50px;
  text-align: center;
  font-size: 1.2em;
}

input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-blue);
}

select {
  background-color: var(--bg-light);
  color: var(--text-white);
  border: 1px solid var(--text-white);
  border-radius: 5px;
  padding: 5px;
  font-size: 1.2em;
}

.card:has(table) {
  padding-right: 10%;
  padding-left: 10%;
}

@media (max-width: 900px), (max-device-width: 900px) {
  html::before {
      content: "⚠️ Warning: This page is not optimized for small screens.";
      display: block;
      position: fixed;
      top: 50px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-red);
      color: var(--text-dark);
      padding: 10px 20px;
      border-radius: 8px;
      font-weight: bold;
      z-index: 9999;
      box-shadow: 0 4px 15px rgba(0,0,0,0.5);
      text-align: center;
      width: 80%;
      max-width: 300px;
      pointer-events: none;
      zoom: 250%;
  }
}