/* Tramoya — diseño tipo papel, blanco/negro estricto */

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

html, body {
  background: #FFFFFF;
  color: #000000;
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code, pre {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.92em;
}

a {
  color: #000000;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration: none;
}

/* Layout principal */
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 96px 24px 64px;
}

/* Cabecera */
.masthead {
  text-align: left;
  margin-bottom: 64px;
}

.title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 900;
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 400;
  color: #000000;
  margin-bottom: 8px;
}

.byline {
  font-size: 13px;
  color: #555555;
}

/* Introducción */
.intro {
  margin-bottom: 48px;
}

.intro p {
  font-size: 17px;
  line-height: 1.65;
}

/* Aviso de privacidad: filete arriba y abajo */
.privacy {
  border-top: 1px solid #000000;
  border-bottom: 1px solid #000000;
  padding: 20px 0;
  margin-bottom: 56px;
  text-align: center;
}

.privacy p {
  font-size: 14px;
  color: #000000;
  max-width: 560px;
  margin: 0 auto;
}

/* Error */
.error {
  border: 1px solid #8B0000;
  color: #8B0000;
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: 14px;
}

/* Zona de subida */
.upload {
  margin-bottom: 56px;
}

.dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  border: 1px dashed #000000;
  padding: 32px;
  cursor: pointer;
  text-align: center;
  transition: border-style 0.15s ease, background 0.15s ease;
}

.dropzone:hover,
.dropzone.is-dragover {
  border-style: solid;
  background: #FAFAFA;
}

.dropzone-text {
  font-size: 16px;
  color: #000000;
  max-width: 420px;
}

.dropzone-text code {
  background: transparent;
}

.processing {
  margin-top: 16px;
  text-align: center;
  font-size: 14px;
  color: #555555;
}

.processing .dot {
  animation: blink 1s infinite;
  display: inline-block;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Resultados */
.results {
  margin-bottom: 56px;
}

.stats {
  border-top: 1px solid #000000;
  border-bottom: 1px solid #000000;
  padding: 20px 0;
  margin-bottom: 40px;
  font-size: 15px;
  text-align: center;
}

.bundle {
  padding: 28px 0;
  border-bottom: 1px solid #E5E5E5;
}

.bundle:last-child {
  border-bottom: none;
}

.bundle h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  font-size: 24px;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.bundle p {
  font-size: 15px;
  color: #555555;
  margin-bottom: 16px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Botones: rectángulos negros, texto blanco, sin radio */
.btn {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 24px;
  background: #000000;
  color: #FFFFFF;
  border: 1px solid #000000;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  letter-spacing: 0.01em;
}

.btn:hover {
  background: #FFFFFF;
  color: #000000;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Controles IA */
.ai-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.btn-secondary {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 18px;
  background: #FFFFFF;
  color: #000000;
  border: 1px solid #000000;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  letter-spacing: 0.01em;
}

.btn-secondary:hover {
  background: #000000;
  color: #FFFFFF;
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: #FFFFFF;
  color: #000000;
}

.ai-status {
  font-size: 13px;
  color: #555555;
  flex: 1;
  min-width: 200px;
}

.ai-status.is-error {
  color: #8B0000;
}

/* Pie */
.colophon {
  border-top: 1px solid #000000;
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #555555;
}

.colophon a {
  color: #555555;
}

/* Móvil */
@media (max-width: 600px) {
  .page {
    padding: 56px 20px 48px;
  }
  .title {
    font-size: 48px;
  }
  .subtitle {
    font-size: 18px;
  }
  .intro p {
    font-size: 16px;
  }
  .actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
}