/* Learning Media Quality Tracker 3.19 Styles */
.media-tracker-bar {
  background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 14px auto;
  max-width: 880px;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  flex-wrap: wrap;
  gap: 12px;
}

.media-tracker-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.media-tracker-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: all 0.3s ease;
}

.media-tracker-badge.completed {
  background: #22c55e !important;
  color: #ffffff !important;
  border-color: #16a34a !important;
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4);
}

.btn-teacher-analytics {
  background: #ffffff;
  color: #0f766e !important;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none !important;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-teacher-analytics:hover {
  background: #f0fdfa;
  transform: translateY(-1px);
}

#mediatracker-pdf-container {
  width: 100%;
  max-width: 880px;
  margin: 14px auto;
  background: #0f172a;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(0,0,0,0.25);
  position: relative;
  font-family: inherit;
  border: 1.5px solid #334155;
}

#mediatracker-pdf-container:fullscreen,
#mediatracker-pdf-container:-webkit-full-screen {
  max-width: 100vw !important;
  width: 100vw !important;
  height: 100vh !important;
  border-radius: 0 !important;
  margin: 0 !important;
  border: none;
}

#mediatracker-pdf-container:fullscreen #pdf-pages-viewport,
#mediatracker-pdf-container:-webkit-full-screen #pdf-pages-viewport {
  max-height: calc(100vh - 65px) !important;
  height: calc(100vh - 65px) !important;
}

#pdf-pages-viewport {
  max-height: 75vh;
  overflow-y: scroll !important;
  overflow-x: scroll !important;
  padding: 24px 20px;
  display: block;
  text-align: center;
  background: #0f172a;
  cursor: grab;
  scrollbar-width: auto;
  scrollbar-color: #38bdf8 #1e293b;
  user-select: none;
}

/* HIGHLY VISIBLE PROMINENT SCROLLBARS FOR MAC & CHROME */
#pdf-pages-viewport::-webkit-scrollbar {
  -webkit-appearance: none !important;
  width: 14px !important;
  height: 14px !important;
  display: block !important;
}

#pdf-pages-viewport::-webkit-scrollbar-track {
  background: #1e293b !important;
  border-radius: 8px !important;
  border: 1px solid #334155 !important;
}

#pdf-pages-viewport::-webkit-scrollbar-thumb {
  background: #38bdf8 !important;
  border-radius: 8px !important;
  border: 2px solid #0f172a !important;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.6) !important;
}

#pdf-pages-viewport::-webkit-scrollbar-thumb:hover {
  background: #0284c7 !important;
}

.pdf-page-wrapper {
  position: relative;
  background: #ffffff;
  border-radius: 6px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.6);
  margin: 0 auto 24px auto;
  display: inline-block;
  vertical-align: top;
  user-select: none;
  -webkit-user-drag: none;
}

.pdf-page-wrapper canvas {
  display: block;
  border-radius: 6px;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

#pdf-toolbar {
  background: #090d16;
  color: #f8fafc;
  padding: 10px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1.5px solid #1e293b;
}

.pdf-toolbar-btn {
  background: #1e293b;
  color: #ffffff !important;
  border: 1.5px solid #475569;
  border-radius: 8px;
  min-width: 36px;
  height: 34px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: all 0.2s ease;
  user-select: none;
  gap: 4px;
}

.pdf-toolbar-btn svg {
  display: block;
  stroke: #ffffff;
}

.pdf-toolbar-btn:hover {
  background: #334155;
  border-color: #38bdf8;
  color: #38bdf8 !important;
  transform: translateY(-1px);
}

.pdf-toolbar-btn:hover svg {
  stroke: #38bdf8;
}

.pdf-toolbar-btn:active {
  transform: translateY(1px);
}

.btn-pdf-fullscreen {
  background: #0f766e;
  color: #ffffff !important;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 7px 16px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: all 0.2s ease;
}

.btn-pdf-fullscreen:hover {
  background: #0d9488;
  transform: translateY(-1px);
}

@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}