/* ==========================================================================
   Edunixa PDF Lazy Viewer Stylesheet
   ========================================================================== */

.edx-pdf-viewer-card {
  background: #FFFFFF;
  border: 1px solid var(--edx-border-color);
  border-radius: var(--edx-radius-xl);
  overflow: hidden;
  box-shadow: var(--edx-shadow-lg);
}

.edx-pdf-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--edx-bg-alt);
  border-bottom: 1px solid var(--edx-border-color);
  flex-wrap: wrap;
  gap: 1rem;
}

.edx-pdf-title-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.edx-pdf-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.edx-pdf-frame-container {
  position: relative;
  width: 100%;
  height: 680px;
  background: #0B2545;
}

.edx-pdf-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.edx-pdf-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #07192F 0%, #0B2545 100%);
  color: #FFFFFF;
  padding: 2rem;
  text-align: center;
}

.edx-pdf-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.edx-pdf-icon-pulse {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #FFA726;
  margin-bottom: 1rem;
  box-shadow: 0 0 0 0 rgba(255, 167, 38, 0.4);
  animation: edxPulseIcon 2s infinite;
}

@keyframes edxPulseIcon {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 167, 38, 0.4); }
  70% { transform: scale(1); box-shadow: 0 0 0 16px rgba(255, 167, 38, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 167, 38, 0); }
}

.edx-pdf-footer-bar {
  padding: 0.75rem 1.5rem;
  background: #FFFFFF;
  border-top: 1px solid var(--edx-border-light);
}

.edx-pdf-viewer-card.fullscreen {
  position: fixed;
  inset: 0;
  z-index: 3000;
  border-radius: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.edx-pdf-viewer-card.fullscreen .edx-pdf-frame-container {
  flex: 1;
  height: auto;
}