/* Header styles */
.header {
  background-color: #333;
  color: white;
  padding: 10px 20px;
  display: flex;
  align-items: center;
}
.hamburger {
  font-size: 24px;
  cursor: pointer;
  margin-right: 20px;
}
.header-title {
  font-size: 20px;
}

/* Side menu for story selection */
#side-menu {
  position: fixed;
  top: 0;
  left: -300px;
  width: 300px;
  height: 100%;
  background-color: #333;
  color: white;
  z-index: 1000;
  transition: left 0.3s ease;
  padding: 20px;
  overflow-y: auto;
}
#side-menu.active {
  left: 0;
}
#side-menu h4 {
  margin-top: 0;
}

/* Close button: absolutely positioned in the top-right */
.close-menu {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
}

/* Layout styles */
.content-row {
  margin-top: 20px;
}
.banner {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}
.banner img {
  width: 100%;
  display: block;
}
#waveform {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
}
.btn-timestamp {
  margin: 5px;
  color: white;
  border: none;
}
#controls {
  margin-top: 20px;
}
#score, #currentTime {
  font-weight: bold;
  font-size: 1.2em;
  margin-left: 20px;
}

/* Spinner styling */
.spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
  color: #fff;
}

/* Advertisement column styling */
.advertisement {
  background-color: #f8f9fa;
  padding: 20px;
  text-align: center;
  border: 1px solid #ddd;
  min-height: 300px;
}