/* ==================== ESTILOS ADICIONALES v4.0 ==================== */
/* Selector de modo de generación */
.generation-mode-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 0.5rem;
  background: rgba(102, 126, 234, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
  transition: all 0.2s ease;
}

.mode-btn:hover {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
}

.mode-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.mode-icon {
  font-size: 1.1rem;
}

/* Textarea para idea */
.textarea-modern {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.6;
}

/* Contador de caracteres */
.char-counter {
  text-align: right;
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.25rem;
}

.char-counter.warning {
  color: #f59e0b;
}

.char-counter.danger {
  color: #ef4444;
}

/* Animación de transición para grupos de formulario */
.form-group-modern {
  transition: opacity 0.3s ease, transform 0.3s ease, max-height 0.3s ease;
}

.form-group-modern.hidden {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

/* Mejoras responsive para selector de modo */
@media (max-width: 640px) {
  .generation-mode-selector {
    flex-direction: column;
  }

  .mode-btn {
    width: 100%;
  }
}

/* Estilos para páginas de error integradas */
.error-page-embedded {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mejora visual para inputs vacíos con placeholder */
.input-modern::placeholder {
  color: #94a3b8;
  opacity: 0.8;
}

.textarea-modern::placeholder {
  color: #94a3b8;
  opacity: 0.8;
}

/* Indicador de carga mejorado */
.btn-generate.loading .btn-content {
  display: none;
}

.btn-generate .btn-loading {
  display: none;
}

.btn-generate.loading .btn-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Spinner mejorado */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 1rem 1.5rem;
  background: #1e293b;
  color: white;
  border-radius: 12px;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  max-width: 90%;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.success {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.toast.error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.toast.warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* Mejoras de accesibilidad */
.btn:focus,
.input-modern:focus,
.textarea-modern:focus,
.mode-btn:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Mejora para imágenes generadas */
.image-result-card img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Indicador de imagen cargando */
.image-result-card.loading img {
  opacity: 0.5;
}

.image-result-card.loading::after {
  content: "Cargando imagen...";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #667eea;
  font-weight: 500;
}

/* ==================== ESTILOS ADICIONALES v4.0 ==================== */

/* Selector de modo de generación */
.generation-mode-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 0.5rem;
  background: rgba(102, 126, 234, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
  transition: all 0.2s ease;
}

.mode-btn:hover {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
}

.mode-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.mode-icon {
  font-size: 1.1rem;
}

/* Textarea para idea */
.textarea-modern {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.6;
}

/* Contador de caracteres */
.char-counter {
  text-align: right;
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.25rem;
}

.char-counter.warning {
  color: #f59e0b;
}

.char-counter.danger {
  color: #ef4444;
}

/* Animación de transición para grupos de formulario */
.form-group-modern {
  transition: opacity 0.3s ease, transform 0.3s ease, max-height 0.3s ease;
}

.form-group-modern.hidden {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

/* Mejoras responsive para selector de modo */
@media (max-width: 640px) {
  .generation-mode-selector {
    flex-direction: column;
  }

  .mode-btn {
    width: 100%;
  }
}

/* Estilos para páginas de error integradas */
.error-page-embedded {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mejora visual para inputs vacíos con placeholder */
.input-modern::placeholder {
  color: #94a3b8;
  opacity: 0.8;
}

.textarea-modern::placeholder {
  color: #94a3b8;
  opacity: 0.8;
}

/* Indicador de carga mejorado */
.btn-generate.loading .btn-content {
  display: none;
}

.btn-generate .btn-loading {
  display: none;
}

.btn-generate.loading .btn-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Spinner mejorado */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 1rem 1.5rem;
  background: #1e293b;
  color: white;
  border-radius: 12px;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  max-width: 90%;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.success {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.toast.error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.toast.warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* Mejoras de accesibilidad */
.btn:focus,
.input-modern:focus,
.textarea-modern:focus,
.mode-btn:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Mejora para imágenes generadas */
.image-result-card img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Indicador de imagen cargando */
.image-result-card.loading img {
  opacity: 0.5;
}

.image-result-card.loading::after {
  content: "Cargando imagen...";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #667eea;
  font-weight: 500;
}

/* Estilos para info del admin en sidebar */
.admin-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  margin: 16px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.admin-user-avatar {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.admin-user-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.admin-user-name {
  color: #f1f5f9;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-user-phone {
  color: #94a3b8;
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-phone-link {
  color: #25d366;
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.2s;
}

.admin-phone-link:hover {
  color: #128c7e;
  text-decoration: underline;
}