/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}

/* Base typography & layout */
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.8rem;
  display: flex;
  justify-content: center;
  margin: 0;
  height: 90vh;
}

.container {
  width: 70%;
  display: flex;
  height: calc(100vh - 40px);
  margin: 20px auto;
  padding: 0;
  box-sizing: border-box;
}

/* Settings panel */
.settings {
  width: 25%;
  /*background-color: green;*/
  background-color: white;
  padding: 10px;
  box-sizing: border-box;
  height: calc(100% - 20px);
  overflow: auto;
}
.settings table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 20px;
}
.settings-title {
  font-size: 1.2rem;
  font-weight: bold;
  text-align: center;
  margin: 0 0 10px;
}
.settings td {
  padding: 0;
  vertical-align: middle;
}
.settings .label-cell {
  width: 60%;
}
.settings .value-cell {
  width: 40%;
  text-align: right;
  font-size: 0.9em;
  padding-left: 10px;
}
/* Full-width controls */
.settings input[type="password"],
.settings select,
.settings input[type="range"] {
  width: 100%;
  box-sizing: border-box;
}

/* Main area */
.main {
  width: 75%;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-sizing: border-box;
}

/* Waveform panel */
.waveform {
  flex: none;         /* fixed height */
  height: 200px;
  background-color: LightGray;
  position: relative; /* for the toggle button */
}
/* Canvas visualizer */
.visualizer {
  display: block;
  width: 100%;
  height: 100%;
}

/* Chat panel */
.chat {
  flex: 1;            /* fills remaining space */
  overflow-y: auto;
  border: 1px solid #ccc;
  background: #f8f8f8;
  margin-bottom: 20px;
}
.chat p {
  margin: 0.5em 0;
}

/* Toggle button (hidden by default) */
#sidebarToggle {
  display: none;
}

/* overlay for "paused" */
.paused-banner {
  position: absolute;
  top: 8px;
  right: 8px;
  font: bold 16px sans-serif;
  color: black;
  background: transparent;
  pointer-events: none;
  display: none;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .container {
    width: calc(100% - 20px);
    height: calc(100vh - 70px);
    margin: 10px;
  }

  /* Show toggle inside waveform panel */
  #sidebarToggle {
    display: block;
    position: absolute;
    width: 36px;
    height: 36px;
    font-size: 24px;
    background: transparent;
    border: 1px solid #000;
    cursor: pointer;
    z-index: 1002;
  }

  /* Off-canvas settings panel */
  .settings {
    position: fixed;
    width: calc(100% - 20px);
    height: calc(100vh - 20px);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    padding: 10px;
  }
  .settings.open {
    transform: translateX(0);
  }

  .main {
    width: 100%;
  }
}