body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: #f9fafb;
  color: #111827;
  display: flex;
  flex-direction: column;
  height: 100vh;
  transition: all 0.3s ease;
}


.default-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.4s ease;
  padding: 20px;
}


.default-content.compact {
  flex: 0;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  background-color: #fff;
}


.default-content h1 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}


.default-content.compact h1 {
  margin: 0 1rem 0 0;
  font-size: 1rem;
}


.description {
  color: #6b7280;
  margin-bottom: 1.5rem;
  max-width: 400px;
}


.default-content.compact .description {
  display: none;
}


.upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #3b82f6;
  color: white;
  border: none;
  border-radius: 30px;
  padding: 12px 24px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.25);
}

.upload-btn:hover {
  background-color: #2563eb;
  transform: translateY(-1px);
}

.upload-btn svg {
  margin-right: 8px;
  width: 18px;
  height: 18px;
}

#player {
  display: none;
  flex: 1;
  background: #fff;
  margin: 0;
  padding: 20px;
}


#player.active {
  display: block;
  flex: 1;
}

footer {
  background-color: #fff;
  border-top: 1px solid #e5e7eb;
  text-align: center;
  padding: 12px;
  font-size: 0.9rem;
  color: #6b7280;
}

#loader {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(173, 216, 230, 0.25);
  backdrop-filter: blur(2px);
  z-index: 9999;
}

#loader.show {
  display: flex;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid lightblue;
  border-top: 4px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}