:root {
  --fondo: #0e0d0a;
  --fondo-suave: #1a1814;
  --tinta: #e8e1d0;
  --tinta-suave: #8a8470;
  --acento: #c9a44a;
  --borde: #2a2620;
  --error: #b54b3a;
  --serif: "Crimson Text", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", -apple-system, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background: var(--fondo);
  color: var(--tinta);
  font-family: var(--sans);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

header {
  text-align: center;
  border-bottom: 1px solid var(--borde);
  padding-bottom: 2rem;
}

header h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: 0.02em;
  color: var(--acento);
}

.subtitulo {
  font-style: italic;
  color: var(--tinta-suave);
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

.modos {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--borde);
}

.modo {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--tinta-suave);
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 0.75rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.modo:hover {
  color: var(--tinta);
}

.modo.activo {
  color: var(--acento);
  border-bottom-color: var(--acento);
}

.panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.oculto {
  display: none !important;
}

#video {
  width: 100%;
  max-height: 480px;
  background: var(--fondo-suave);
  border: 1px solid var(--borde);
  object-fit: cover;
}

#dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  min-height: 240px;
  border: 1px dashed var(--borde);
  background: var(--fondo-suave);
  color: var(--tinta-suave);
  cursor: pointer;
  padding: 2rem;
  transition: all 0.2s;
  font-size: 0.95rem;
}

#dropzone:hover,
#dropzone.dragover {
  border-color: var(--acento);
  color: var(--tinta);
  background: rgba(201, 164, 74, 0.05);
}

button {
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.75rem 2rem;
  background: var(--acento);
  color: var(--fondo);
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all 0.2s;
  font-weight: 500;
}

button:hover:not(:disabled) {
  background: #d9b45a;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.secundario {
  background: transparent;
  color: var(--tinta-suave);
  border: 1px solid var(--borde);
}

button.secundario:hover {
  color: var(--tinta);
  border-color: var(--tinta-suave);
}

#preview img {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  background: var(--fondo-suave);
  border: 1px solid var(--borde);
}

.acciones {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
}

#resultado {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 0;
}

#cargando p {
  font-style: italic;
  color: var(--tinta-suave);
  text-align: center;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

#voz {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  line-height: 1.7;
  color: var(--tinta);
  padding: 2rem;
  border-left: 2px solid var(--acento);
  background: var(--fondo-suave);
  white-space: pre-wrap;
  width: 100%;
  font-style: italic;
}

#error {
  text-align: center;
  padding: 2rem;
  border: 1px solid var(--error);
  color: var(--error);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (max-width: 480px) {
  main { padding: 2rem 1rem; gap: 1.5rem; }
  #voz { padding: 1.5rem; }
}