/**
 * PDF Viewer Styles
 * Responsive, Elementor-compatible styling
 */

:root {
  --pdf-border-color: #e1e5e9;
  --pdf-bg-color: #f8f9fa;
  --pdf-loading-color: #6c757d;
  --pdf-btn-bg: #007cba;
  --pdf-btn-hover: #005a87;
  --pdf-shadow: 0 2px 8px rgba(0,0,0,0.1);
  --pdf-radius: 8px;
}

/* Main wrapper */
.pdf-viewer-wrapper {
  position: relative;
  margin: 1rem 0;
  max-width: 100%;
}

/* Container */
.pdf-viewer-container {
  position: relative;
  background: var(--pdf-bg-color);
  border: 1px solid var(--pdf-border-color);
  border-radius: var(--pdf-radius);
  box-shadow: var(--pdf-shadow);
  overflow: hidden;
}

/* Header with fullscreen button */
.pdf-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 8px 12px;
  background: white;
  border-bottom: 1px solid var(--pdf-border-color);
}

/* Fullscreen button */
.pdf-fullscreen-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--pdf-border-color);
  border-radius: 4px;
  color: #333;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pdf-fullscreen-btn:hover {
  background: var(--pdf-bg-color);
  border-color: var(--pdf-btn-bg);
  color: var(--pdf-btn-bg);
}

.fullscreen-icon {
  margin-right: 4px;
  font-size: 14px;
}

/* Fullscreen mode styles */
.pdf-viewer-wrapper.pdf-fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 999999 !important;
  background: #000 !important;
  margin: 0 !important;
}

.pdf-viewer-wrapper.pdf-fullscreen .pdf-viewer-container {
  width: 100% !important;
  height: 100% !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: #000 !important;
}

.pdf-viewer-wrapper.pdf-fullscreen .pdf-header {
  background: rgba(0,0,0,0.8) !important;
  border-bottom: 1px solid rgba(255,255,255,0.2) !important;
  position: relative;
  z-index: 2;
}

.pdf-viewer-wrapper.pdf-fullscreen .pdf-fullscreen-btn {
  background: rgba(255,255,255,0.1) !important;
  border-color: rgba(255,255,255,0.3) !important;
  color: white !important;
}

.pdf-viewer-wrapper.pdf-fullscreen .pdf-fullscreen-btn:hover {
  background: rgba(255,255,255,0.2) !important;
  border-color: white !important;
}

.pdf-viewer-wrapper.pdf-fullscreen .pdf-iframe {
  width: 100% !important;
  height: calc(100vh - 40px) !important;
  background: white !important;
}

.pdf-viewer-wrapper.pdf-fullscreen .pdf-controls {
  background: rgba(0,0,0,0.8) !important;
  border-top: 1px solid rgba(255,255,255,0.2) !important;
}

/* Loading state */
.pdf-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--pdf-loading-color);
  font-size: 14px;
  z-index: 2;
  pointer-events: none;
}

.pdf-loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-left: 8px;
  border: 2px solid var(--pdf-loading-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: pdf-spin 1s linear infinite;
}

/* PDF iframe */
.pdf-iframe {
  display: block;
  width: 100%;
  min-height: 400px;
  border: none;
  background: white;
}

/* Controls */
.pdf-controls {
  padding: 12px 16px;
  background: white;
  border-top: 1px solid var(--pdf-border-color);
  text-align: right;
}

.pdf-download-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--pdf-btn-bg);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

.pdf-download-btn:hover {
  background: var(--pdf-btn-hover);
  color: white;
  text-decoration: none;
}

.pdf-download-btn::before {
  content: '⬇';
  margin-right: 6px;
  font-size: 12px;
}

/* Responsive design */
@media (max-width: 768px) {
  .pdf-viewer-wrapper {
    margin: 0.5rem 0;
  }
  
  .pdf-iframe {
    min-height: 300px;
  }
  
  .pdf-controls {
    padding: 10px 12px;
  }
  
  .pdf-download-btn {
    padding: 6px 12px;
    font-size: 13px;
  }
  
  .pdf-header {
    padding: 6px 10px;
  }
  
  .pdf-fullscreen-btn {
    padding: 4px 8px;
    font-size: 11px;
  }
  
  .fullscreen-text {
    display: none;
  }
  
  /* Mobile fullscreen adjustments */
  .pdf-viewer-wrapper.pdf-fullscreen .pdf-iframe {
    height: calc(100vh - 35px) !important;
  }
}

@media (max-width: 480px) {
  .pdf-iframe {
    min-height: 250px;
  }
  
  .pdf-controls {
    text-align: center;
  }
  
  .pdf-header {
    padding: 4px 8px;
  }
  
  .pdf-fullscreen-btn {
    padding: 3px 6px;
  }
  
  /* Ultra-mobile fullscreen */
  .pdf-viewer-wrapper.pdf-fullscreen .pdf-iframe {
    height: calc(100vh - 30px) !important;
  }
}

/* Elementor compatibility */
.elementor-widget-container .pdf-viewer-wrapper {
  margin: 0;
}

.elementor-widget-shortcode .pdf-viewer-wrapper {
  width: 100%;
}

/* Multiple instances support */
.pdf-viewer-wrapper + .pdf-viewer-wrapper {
  margin-top: 2rem;
}

/* Loading animation */
@keyframes pdf-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Print styles */
@media print {
  .pdf-viewer-wrapper {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }
  
  .pdf-controls {
    display: none;
  }
}