.scorm-container {
  display: flex;
  min-height: 500px;
  background: #232323;
  font-family: 'Segoe UI', Arial, sans-serif;
}

.scorm-sidebar {
  width: 260px;
  background: #232323;
  color: #fff;
  padding: 0 0 24px 0;
  min-height: 100vh;
  box-shadow: 2px 0 8px rgba(0,0,0,0.07);
}

.scorm-menu-title {
  font-weight: 700;
  letter-spacing: 2px;
  padding: 22px 30px 16px 30px;
  border-bottom: 1px solid #353535;
  font-size: 17px;
  background: #232323;
}

.scorm-menu {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0;
}

.scorm-menu li {
  padding: 16px 30px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.2s, border-color 0.2s;
  font-size: 16px;
  color: #ddd;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scorm-menu li.active,
.scorm-menu li:hover {
  background: #353535;
  border-left: 3px solid #4ea5f7;
  color: #fff;
}

.scorm-main {
  background: #f5f6f7;
  flex: 1;
  padding: 40px 48px 70px 48px;
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 100vh;
}

.scorm-slide {
  background: #fff;
  border-radius: 16px;
  padding: 32px 40px;
  margin: 0 auto 32px auto;
  box-shadow: 0 4px 24px 0 rgba(60,60,60,0.05);
  display: none;
  max-width: 900px;
  min-height: 250px;
  transition: box-shadow 0.2s;
}

.scorm-slide.active {
  display: block;
  animation: fadein 0.35s;
}

@keyframes fadein {
  from { opacity: 0; transform: translateY(15px);}
  to { opacity: 1; transform: translateY(0);}
}

.scorm-columns {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.scorm-columns > div {
  flex: 1;
}

.scorm-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  position: absolute;
  bottom: 60px;
  left: 48px;
  right: 48px;
}

.scorm-bar-bg {
  width: 100%;
  height: 7px;
  background: #e1e8ee;
  border-radius: 12px;
  overflow: hidden;
}

.scorm-bar {
  height: 7px;
  width: 100%;
  background: linear-gradient(90deg, #36b3f7, #8ee2f9);
  border-radius: 12px;
  transition: width 0.35s;
}

#scorm-progress-label {
  font-size: 13px;
  color: #222;
  min-width: 38px;
}

.scorm-nav {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  position: absolute;
  bottom: 18px;
  right: 48px;
}

.scorm-nav button {
  font-size: 16px;
  background: #232323;
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.scorm-nav button:disabled {
  background: #7d7d7d;
  color: #b8b8b8;
  cursor: not-allowed;
}

@media (max-width: 900px) {
  .scorm-container { flex-direction: column; }
  .scorm-sidebar { width: 100%; min-height: 0; position: static; }
  .scorm-main { padding: 28px 8px 80px 8px; }
  .scorm-slide { padding: 22px 10px; min-width: 0; }
  .scorm-progress, .scorm-nav { left: 8px; right: 8px; }
  .scorm-columns { flex-direction: column; gap: 12px; }
}

.scorm-fullimg-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-top: 16px;
}
.scorm-fullimg-slide img {
  width: 100%;
  max-width: 700px;
  max-height: 420px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 20px 0 rgba(70,70,90,0.10);
}
.scorm-img-caption {
  font-size: 1rem;
  color: #555;
  background: #f4f6f8;
  border-radius: 8px;
  padding: 8px 18px;
  margin-top: 2px;
  text-align: center;
  max-width: 700px;
  width: 100%;
  box-sizing: border-box;
}
.scorm-download-btn {
  align-self: flex-end;
  margin-bottom: 24px;
  background: #4ea5f7;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 22px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 2px 8px 0 rgba(60,60,60,0.07);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.scorm-download-btn:hover {
  background: #277fd3;
}