/* 🎨 Estilos CSS para Hugging Face Spaces - Versión Glassmorphism Futurista */

/* Reset y configuración base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Estilos para el contenedor de Gradio */
.gradio-container {
  font-family: 'Poppins', sans-serif !important;
  background: #0f0f23 !important;
  min-height: 100vh !important;
  padding: 20px !important;
  overflow-x: hidden !important;
  position: relative !important;
}

/* Animación de fondo */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
  z-index: -1;
}

@keyframes gradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Contenedor principal */
.container {
  width: 100% !important;
  max-width: 1300px !important;
  padding: 20px !important;
  margin: 0 auto !important;
}

/* Tarjeta principal */
.main-card {
  padding: 2rem !important;
  border-radius: 24px !important;
  backdrop-filter: blur(16px) !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
  color: white !important;
  margin-bottom: 2rem !important;
}

/* Header */
.header {
  display: flex !important;
  align-items: center !important;
  gap: 1rem !important;
  margin-bottom: 2.5rem !important;
  padding-bottom: 1.5rem !important;
  border-bottom: 1px solid rgba(255,255,255,0.2) !important;
}

.header-icon svg {
  width: 32px !important;
  height: 32px !important;
  color: #667eea !important;
}

.header-text h1 {
  font-size: 2rem !important;
  font-weight: 700 !important;
  background: linear-gradient(90deg, #fff, #a8e6ff) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.header-text p {
  font-size: 1rem !important;
  opacity: 0.9 !important;
  color: #a8e6ff !important;
}

/* Grid principal */
.main-grid {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 2rem !important;
}

@media (min-width: 900px) {
  .main-grid {
    grid-template-columns: 480px 1fr !important;
  }
}

/* Tarjetas de formulario */
.form-card {
  padding: 1.8rem !important;
  border-radius: 18px !important;
  margin-bottom: 1.5rem !important;
  transition: transform 0.3s ease, box-shadow 0.3s ease !important;
  background: rgba(255,255,255,0.08) !important;
  border: 1px solid rgba(255,255,255,0.18) !important;
}

.form-card:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.3) !important;
}

.form-header {
  display: flex !important;
  align-items: center !important;
  gap: 0.7rem !important;
  margin-bottom: 1.2rem !important;
}

.form-header svg {
  color: #667eea !important;
  filter: drop-shadow(0 0 8px rgba(102, 126, 234, 0.5)) !important;
}

.form-header h2 {
  font-size: 1.2rem !important;
  font-weight: 600 !important;
  color: #ffffff !important;
}

/* Campos de formulario */
.form-group {
  margin-bottom: 1.2rem !important;
}

.form-group label {
  display: block !important;
  margin-bottom: 0.7rem !important;
  font-size: 0.95rem !important;
  color: #e0e0ff !important;
  font-weight: 500 !important;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100% !important;
  padding: 0.9rem !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
  border-radius: 12px !important;
  background: rgba(255,255,255,0.08) !important;
  color: white !important;
  font-family: inherit !important;
  font-size: 1rem !important;
  transition: all 0.3s ease !important;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none !important;
  border-color: #667eea !important;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3) !important;
  background: rgba(102, 126, 234, 0.1) !important;
}

.hint {
  font-size: 0.85rem !important;
  color: #a8c6ff !important;
  margin-top: 0.5rem !important;
  font-style: italic !important;
}

.hint a {
  color: #667eea !important;
  text-decoration: underline !important;
  font-weight: 500 !important;
}

.checkbox-group {
  display: flex !important;
  align-items: center !important;
  gap: 0.7rem !important;
  margin-top: 0.8rem !important;
}

.checkbox-group input {
  width: 18px !important;
  height: 18px !important;
  accent-color: #667eea !important;
}

.grid-2 {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 1rem !important;
}

/* Botón expandible */
.expand-btn {
  width: 100% !important;
  padding: 1.1rem !important;
  background: rgba(102, 126, 234, 0.15) !important;
  border: 1px solid rgba(102, 126, 234, 0.3) !important;
  border-radius: 14px !important;
  color: white !important;
  font-weight: 600 !important;
  font-size: 1.05rem !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
}

.expand-btn:hover {
  background: rgba(102, 126, 234, 0.25) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4) !important;
}

/* Sección avanzada */
.advanced-section {
  margin-top: 1.5rem !important;
  padding: 1.5rem !important;
  border: 1px solid rgba(102, 126, 234, 0.3) !important;
  border-radius: 14px !important;
  background: rgba(102, 126, 234, 0.05) !important;
}

.advanced-section.hidden {
  display: none !important;
}

/* Tips box */
.tips-box {
  margin-top: 1.5rem !important;
  padding: 1.2rem !important;
  border-radius: 12px !important;
  background: rgba(255,255,255,0.05) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
}

.tips-box h4 {
  font-size: 0.95rem !important;
  margin-bottom: 0.8rem !important;
  color: #667eea !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
}

.tips-grid {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 0.8rem !important;
  font-size: 0.9rem !important;
  color: #e0e0ff !important;
}

@media (min-width: 600px) {
  .tips-grid {
    grid-template-columns: 1fr 1fr !important;
  }
}

/* Área de subida de archivos */
.upload-area {
  border: 2px dashed rgba(102, 126, 234, 0.4) !important;
  border-radius: 16px !important;
  padding: 2.5rem !important;
  text-align: center !important;
  background: rgba(102, 126, 234, 0.05) !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  margin: 1.5rem 0 !important;
}

.upload-area:hover {
  background: rgba(102, 126, 234, 0.15) !important;
  transform: translateY(-3px) !important;
  border-color: #667eea !important;
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3) !important;
}

.upload-area svg {
  width: 48px !important;
  height: 48px !important;
  color: #667eea !important;
  margin-bottom: 1rem !important;
  filter: drop-shadow(0 0 8px rgba(102, 126, 234, 0.5)) !important;
}

.upload-area p {
  margin-bottom: 1.2rem !important;
  color: #e0e0ff !important;
  font-size: 1rem !important;
}

.upload-btn {
  background: rgba(102, 126, 234, 0.2) !important;
  color: white !important;
  border: 1px solid rgba(102, 126, 234, 0.4) !important;
  padding: 0.7rem 1.5rem !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  font-size: 1rem !important;
  font-weight: 500 !important;
  transition: all 0.3s ease !important;
  backdrop-filter: blur(8px) !important;
}

.upload-btn:hover {
  background: rgba(102, 126, 234, 0.35) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4) !important;
}

/* Lista de archivos */
.file-list {
  margin-top: 1.5rem !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 0.8rem !important;
}

.file-item {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  padding: 1rem !important;
  background: rgba(255,255,255,0.08) !important;
  border-radius: 12px !important;
  font-size: 0.95rem !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  transition: all 0.3s ease !important;
}

.file-item:hover {
  background: rgba(102, 126, 234, 0.15) !important;
  transform: translateX(5px) !important;
}

.remove-file {
  background: none !important;
  border: none !important;
  color: #ff6b6b !important;
  cursor: pointer !important;
  font-size: 1.4rem !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: color 0.3s ease !important;
}

.remove-file:hover {
  color: #ff4757 !important;
  transform: scale(1.2) !important;
}

/* Botón generar */
.generate-btn {
  width: 100% !important;
  padding: 1.2rem !important;
  background: linear-gradient(90deg, #667eea, #764ba2) !important;
  color: white !important;
  border: none !important;
  border-radius: 16px !important;
  font-weight: 700 !important;
  font-size: 1.2rem !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.8rem !important;
  transition: all 0.3s ease !important;
  margin-top: 1rem !important;
  text-shadow: 0 0 8px rgba(255,255,255,0.5) !important;
}

.generate-btn:hover {
  transform: translateY(-5px) scale(1.02) !important;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6) !important;
  background: linear-gradient(90deg, #764ba2, #667eea) !important;
}

/* Resultados */
.result-section {
  position: sticky !important;
  top: 20px !important;
  height: fit-content !important;
}

.result-placeholder,
.result-content {
  padding: 2.5rem !important;
  border-radius: 20px !important;
  min-height: 500px !important;
  transition: all 0.5s ease !important;
  background: rgba(255,255,255,0.08) !important;
  border: 1px solid rgba(255,255,255,0.18) !important;
  backdrop-filter: blur(16px) !important;
}

.result-placeholder {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
}

.result-placeholder svg {
  width: 64px !important;
  height: 64px !important;
  color: rgba(255,255,255,0.5) !important;
  margin-bottom: 1.5rem !important;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.3)) !important;
}

.result-placeholder h3 {
  font-size: 1.8rem !important;
  margin-bottom: 1rem !important;
  color: #ffffff !important;
  background: linear-gradient(90deg, #fff, #a8e6ff) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.result-placeholder p {
  color: #a8c6ff !important;
  max-width: 350px !important;
  font-size: 1.1rem !important;
  margin-bottom: 2rem !important;
}

.result-content.hidden {
  display: none !important;
}

.result-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: flex-start !important;
  margin-bottom: 2rem !important;
  padding-bottom: 1.2rem !important;
  border-bottom: 2px solid rgba(102, 126, 234, 0.5) !important;
}

.result-header h2 {
  font-size: 1.8rem !important;
  margin-bottom: 0.5rem !important;
  color: #ffffff !important;
  background: linear-gradient(90deg, #667eea, #a8e6ff) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.result-header p {
  font-size: 1.1rem !important;
  opacity: 0.9 !important;
  color: #a8e6ff !important;
}

.download-btn {
  background: rgba(255,255,255,0.1) !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
  border-radius: 12px !important;
  width: 50px !important;
  height: 50px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
}

.download-btn:hover {
  background: rgba(255,255,255,0.2) !important;
  transform: translateY(-3px) scale(1.1) !important;
  box-shadow: 0 6px 20px rgba(255,255,255,0.2) !important;
}

.download-btn svg {
  width: 24px !important;
  height: 24px !important;
  color: white !important;
}

/* Scroll personalizado */
.result-body::-webkit-scrollbar {
  width: 8px !important;
}

.result-body::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.05) !important;
  border-radius: 10px !important;
}

.result-body::-webkit-scrollbar-thumb {
  background: rgba(102, 126, 234, 0.5) !important;
  border-radius: 10px !important;
  border: 2px solid rgba(255,255,255,0.1) !important;
}

/* Títulos de sección */
.section-title {
  font-weight: 700 !important;
  font-size: 1.3rem !important;
  margin: 2rem 0 1rem 0 !important;
  padding-bottom: 0.8rem !important;
  border-bottom: 3px solid rgba(102, 126, 234, 0.6) !important;
  color: #ffffff !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.2) !important;
  backdrop-filter: blur(10px) !important;
  padding: 1.5rem 0 !important;
  margin-top: 2rem !important;
  border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.footer-content {
  max-width: 1200px !important;
  margin: 0 auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  flex-wrap: wrap !important;
  gap: 1rem !important;
  padding: 0 2rem !important;
}

.footer-text p {
  margin: 0.25rem 0 !important;
  font-size: 0.95rem !important;
  color: white !important;
}

.footer-text a {
  color: #667eea !important;
  text-decoration: none !important;
  font-weight: 600 !important;
  transition: color 0.2s !important;
}

.footer-text a:hover {
  color: #5063d8 !important;
  text-decoration: underline !important;
}

.footer-badge {
  background: rgba(102, 126, 234, 0.2) !important;
  border: 1px solid rgba(102, 126, 234, 0.4) !important;
  padding: 0.5rem 1rem !important;
  border-radius: 20px !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  color: #a8e6ff !important;
}

/* Responsive */
@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr !important;
  }
  .header h1 {
    font-size: 1.7rem !important;
  }
}

@media (max-width: 600px) {
  .main-card {
    padding: 1.5rem !important;
  }
  .form-card {
    padding: 1.2rem !important;
  }
  .grid-2 {
    grid-template-columns: 1fr !important;
  }
  .header h1 {
    font-size: 1.5rem !important;
  }
  .result-placeholder h3 {
    font-size: 1.5rem !important;
  }
  .footer-content {
    flex-direction: column !important;
    text-align: center !important;
  }
}

/* Efectos adicionales */
#dropZone.highlight {
  border-color: #667eea !important;
  background: rgba(102, 126, 234, 0.2) !important;
  transform: scale(1.02) !important;
}

/* Clase glass para reutilizar */
.glass {
  backdrop-filter: blur(16px) !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2) !important;
}

/* Loading animation */
.loading {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 4rem 2rem !important;
  text-align: center !important;
}

.loading-icon {
  font-size: 4rem !important;
  animation: pulse 2s infinite !important;
  margin-bottom: 1.5rem !important;
  text-shadow: 0 0 20px rgba(102, 126, 234, 0.7) !important;
}

@keyframes pulse {
  0%, 100% { transform: scale(1) !important; }
  50% { transform: scale(1.2) !important; }
}

.particles {
  display: flex !important;
  justify-content: center !important;
  gap: 15px !important;
  margin-top: 1.5rem !important;
}

.particle {
  width: 12px !important;
  height: 12px !important;
  border-radius: 50% !important;
  background: rgba(102, 126, 234, 0.8) !important;
  animation: float 2s infinite ease-in-out !important;
  box-shadow: 0 0 10px rgba(102, 126, 234, 0.8) !important;
}

.particle:nth-child(2) { 
  animation-delay: 0.4s !important; 
  background: rgba(240, 147, 251, 0.8) !important; 
  box-shadow: 0 0 10px rgba(240, 147, 251, 0.8) !important; 
}
.particle:nth-child(3) { 
  animation-delay: 0.8s !important; 
  background: rgba(245, 87, 108, 0.8) !important; 
  box-shadow: 0 0 10px rgba(245, 87, 108, 0.8) !important; 
}

@keyframes float {
  0%, 100% { transform: translateY(0) !important; }
  50% { transform: translateY(-15px) !important; }
}