:root {
  --bg-color: #121212;
  --primary-color: #000000;
  --secondary-color: #2a2a2a;
  --accent-color: #03dac6;
  --text-color: #e0e0e0;
  --font-family: -apple-system, sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  -webkit-tap-highlight-color: transparent;
}
#app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
#app-header {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  background-color: var(--primary-color);
  flex-shrink: 0;
}
#status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 10px;
  transition: background-color 0.3s;
}
.connected {
  background-color: #4caf50;
}
.disconnected {
  background-color: #f44336;
}
#status-text {
  font-weight: 500;
  font-size: 0.9em;
}
#air-mouse-toggle {
  margin-left: auto;
  margin-right: 15px;
  background-color: var(--secondary-color);
  border: 1px solid #555;
  color: var(--text-color);
  border-radius: 15px;
  padding: 5px 10px;
  font-size: 0.9em;
}
#air-mouse-toggle.active {
  background-color: var(--accent-color);
  color: var(--bg-color);
  border-color: var(--accent-color);
  font-weight: bold;
}
#fullscreen-button {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 24px;
}
#content-panels {
  flex-grow: 1;
  display: flex;
}
.panel {
  display: none;
  flex-direction: column;
  width: 100%;
  height: 100%;
}
.panel.active {
  display: flex;
}

#mouse-panel {
  justify-content: space-between;
}
.air-mouse-info {
  flex-shrink: 0;
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#reset-gyro-button {
  padding: 8px 16px;
  background-color: var(--secondary-color);
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  border-radius: 20px;
}
#touchpad-area {
  flex-grow: 1;
  background-color: var(--primary-color);
  touch-action: none;
  display: flex;
  justify-content: center;
  align-items: center;
}
.touchpad-instructions {
  text-align: center;
  opacity: 0.3;
  padding: 10px;
  font-size: 0.9em;
}

#keyboard-panel {
  padding: 10px;
  justify-content: flex-start;
}
#special-keys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(55px, 1fr));
  gap: 8px;
  margin-bottom: 15px;
}
.special-key {
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: none;
  border-radius: 8px;
  font-size: 1em;
  padding: 12px 5px;
  font-family: var(--font-family);
}
.special-key.sticky {
  background-color: var(--accent-color);
  color: var(--bg-color);
  font-weight: bold;
}
.keyboard-info {
  padding: 10px;
  text-align: center;
  opacity: 0.7;
  width: 100%;
}
#live-keyboard-input {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 320px;
  margin: auto;
  padding: 20px;
}
.media-btn {
  padding: 25px;
  font-size: 28px;
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: none;
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
#app-nav {
  display: flex;
  background-color: var(--primary-color);
  flex-shrink: 0;
}
.nav-btn {
  flex-grow: 1;
  padding: 15px 10px;
  background: none;
  border: none;
  color: var(--text-color);
  opacity: 0.6;
  font-size: 16px;
  border-top: 3px solid transparent;
}
.nav-btn.active {
  opacity: 1;
  border-color: var(--accent-color);
}