/**
 * PDF Viewer Component Styles
 * 
 * Estilos para el componente de visualización de PDFs embebidos
 * 
 * Created: 2026-02-08
 */

/* ============================================
   CONTAINER
   ============================================ */
.pdf-viewer {
  width: 100%;
  display: flex;
  flex-direction: column;
}

/* ============================================
   HEADER
   ============================================ */
.pdf-viewer__header {
  background-color: #d72822;
  color: white;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  border-radius: 4px 4px 0 0;
}

.pdf-viewer__title {
  font-family: 'Raleway', sans-serif;
  font-size: 16px;
  font-weight: 600;
  flex: 1;
}

.pdf-viewer__controls {
  display: flex;
  gap: 10px;
}

.pdf-viewer__btn {
  background-color: rgba(255,255,255,0.2);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pdf-viewer__btn:hover {
  background-color: rgba(255,255,255,0.35);
  transform: translateY(-1px);
}

.pdf-viewer__btn:active {
  transform: translateY(0);
}

/* ============================================
   CONTAINER
   ============================================ */
.pdf-viewer__container {
  position: relative;
  width: 100%;
  background-color: #525659;
  border-radius: 0 0 4px 4px;
  overflow: hidden;
}

.pdf-viewer__embed {
  width: 100%;
  height: 100%;
  border: none;
  background-color: #525659;
}

/* ============================================
   LOADING STATE
   ============================================ */
.pdf-viewer__loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  background-color: rgba(0,0,0,0.7);
  padding: 30px 40px;
  border-radius: 8px;
  z-index: 10;
}

.pdf-viewer__loading p {
  margin: 0;
  font-family: 'Raleway', sans-serif;
  font-size: 14px;
}

.pdf-viewer__spinner {
  border: 3px solid rgba(255,255,255,0.3);
  border-top: 3px solid #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: pdf-viewer-spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes pdf-viewer-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ============================================
   ERROR STATE
   ============================================ */
.pdf-viewer__error {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #d72822;
  background-color: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  max-width: 450px;
  width: 90%;
  z-index: 10;
}

.pdf-viewer__error h3 {
  margin: 0 0 16px 0;
  font-family: 'Raleway', sans-serif;
  font-size: 20px;
  font-weight: 600;
}

.pdf-viewer__error p {
  margin: 0 0 24px 0;
  font-family: 'Raleway', sans-serif;
  line-height: 1.6;
  color: #666;
  font-size: 14px;
}

.pdf-viewer__error-btn {
  background-color: #d72822;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 4px;
  font-family: 'Raleway', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.pdf-viewer__error-btn:hover {
  background-color: #b91e1e;
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
  .pdf-viewer__header {
    padding: 10px 15px;
  }
  
  .pdf-viewer__title {
    font-size: 14px;
  }
  
  .pdf-viewer__controls {
    gap: 6px;
  }
  
  .pdf-viewer__btn {
    padding: 5px 10px;
    font-size: 12px;
  }
  
  .pdf-viewer__btn span {
    display: none;
  }
  
  .pdf-viewer__error {
    padding: 30px 20px;
  }
  
  .pdf-viewer__error h3 {
    font-size: 18px;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.pdf-viewer__btn:focus-visible {
  outline: 2px solid rgba(255,255,255,0.8);
  outline-offset: 2px;
}

.pdf-viewer__error-btn:focus-visible {
  outline: 2px solid #0096A9;
  outline-offset: 2px;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .pdf-viewer__btn,
  .pdf-viewer__error-btn {
    transition: none;
  }
  
  .pdf-viewer__spinner {
    animation: none;
    border: 3px solid rgba(255,255,255,0.5);
  }
}