/* Barra de progresso */
.progress-bar-container {
  width: 100%;
  background: #eee;
  border-radius: 6px;
  margin: 10px 0;
  display: none;
}
.progress-bar {
  width: 0%;
  height: 16px;
  background: #2196f3;
  border-radius: 6px;
}
/* Toast de notificação */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  min-width: 200px;
  padding: 12px 20px;
  background: #323232;
  color: #fff;
  border-radius: 8px;
  display: none;
  font-weight: bold;
}
/* Grupo de botões IA */
.ia-btn-group {
  margin: 10px 0;
}
body {
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  margin: 0;
  background: #181818;
  color: #f5f5f5;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.container {
  background: linear-gradient(135deg, #232323 60%, #181818 100%);
  padding: 36px 32px 32px 32px;
  border-radius: 16px;
  box-shadow: 0 4px 32px #000a, 0 1px 0 #333 inset;
  max-width: 480px;
  width: 100%;
  border: 1px solid #222;
}
h1 {
  color: #fff;
  font-size: 2.1em;
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 18px;
  font-weight: 700;
  text-shadow: 0 2px 8px #0008;
}
h2 {
  color: #e0e0e0;
  font-size: 1.1em;
  margin-top: 24px;
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: 1px;
}
input, button, textarea {
  margin: 8px 0;
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #222;
  color: #f5f5f5;
  font-size: 1em;
  transition: border 0.2s, box-shadow 0.2s;
}
input:focus, textarea:focus {
  border: 1.5px solid #fff;
  outline: none;
  box-shadow: 0 0 0 2px #333a;
}
button {
  background: linear-gradient(90deg, #111 60%, #333 100%);
  color: #fff;
  border: none;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  box-shadow: 0 2px 8px #0005;
  transition: background 0.2s, box-shadow 0.2s;
}
button:hover {
  background: linear-gradient(90deg, #333 60%, #111 100%);
  box-shadow: 0 4px 16px #0007;
}
.status {
  margin: 10px 0;
  font-weight: bold;
  color: #00ffe7;
  text-shadow: 0 1px 8px #00ffe733;
  letter-spacing: 1px;
  font-size: 1.05em;
  min-height: 24px;
}
#downloadBtn {
  display: none;
  background: linear-gradient(90deg, #00ffe7 60%, #333 100%);
  color: #181818;
  font-weight: 700;
  margin-top: 8px;
  box-shadow: 0 2px 8px #00ffe733;
}
#downloadBtn.show {
  display: block;
}
.transcript {
  white-space: pre-wrap;
  background: #222;
  color: #fff;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #333;
  font-family: 'Fira Mono', 'Consolas', monospace;
  font-size: 1em;
  margin-top: 8px;
  box-shadow: 0 1px 8px #0003;
}
textarea {
  background: #222;
  color: #fff;
  border: 1px solid #333;
  font-family: 'Fira Mono', 'Consolas', monospace;
  font-size: 1em;
  resize: vertical;
  min-height: 120px;
}
::placeholder {
  color: #aaa;
  opacity: 1;
}
@media (max-width: 600px) {
  .container { padding: 18px 8px; }
  h1 { font-size: 1.3em; }
}