:root{
  --li-bg: #f8fafc;
  --li-card: #ffffff;
  --li-border: #e2e8f0;
  --li-text: #0f172a;
  --li-muted: #475569;
  --li-primary: #2563eb;
  --li-primary-2: #0ea5e9;
  --li-danger: #dc2626;
  --li-success: #16a34a;
}

.li-wrap{
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 14px;
  color: var(--li-text);
}

.li-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.li-header h1{
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.li-userbar{
  font-size: 13px;
  color: var(--li-muted);
  display:flex;
  align-items:center;
  gap: 12px;
}

.li-card{
  background: var(--li-card);
  border: 1px solid var(--li-border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 10px 28px rgba(15,23,42,0.06);
  margin-bottom: 14px;
}

.li-muted{ color: var(--li-muted); }
.li-small{ font-size: 13px; }

.li-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.li-course-code{
  display:inline-block;
  font-weight: 800;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--li-border);
  background: var(--li-bg);
  margin-bottom: 8px;
}

.li-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.li-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--li-border);
  background: #fff;
  color: var(--li-text);
  font-weight: 700;
  cursor:pointer;
  text-decoration:none;
  transition: transform .08s ease, box-shadow .08s ease;
}

.li-btn:hover{ transform: translateY(-1px); box-shadow: 0 10px 24px rgba(15,23,42,0.08); }

.li-btn:disabled{
  opacity: .55;
  cursor: not-allowed;
  transform:none;
  box-shadow:none;
}

.li-primary{
  background: linear-gradient(90deg, var(--li-primary), var(--li-primary-2));
  border-color: rgba(37,99,235,.35);
  color: #fff;
}

.li-link{
  color: var(--li-primary);
  text-decoration:none;
}
.li-link:hover{ text-decoration: underline; }

.li-toast{
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: 420px;
  background: #0f172a;
  color: #fff;
  padding: 12px 14px;
  border-radius: 12px;
  box-shadow: 0 18px 36px rgba(0,0,0,0.2);
  display:none;
  z-index: 99999;
}

.li-app{
  display:flex;
  gap: 14px;
}

.li-sidebar{
  width: 320px;
  flex: 0 0 320px;
}

.li-main{
  flex: 1;
  min-width: 0;
}

.li-progress{
  margin-bottom: 12px;
}

.li-progressbar{
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--li-bg);
  border: 1px solid var(--li-border);
  overflow:hidden;
}

.li-progressbar > div{
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--li-primary), var(--li-primary-2));
}

.li-modules{
  display:flex;
  flex-direction: column;
  gap: 8px;
}

.li-module-link{
  width: 100%;
  text-align:left;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--li-border);
  background: #fff;
  cursor:pointer;
  display:flex;
  gap: 10px;
  align-items:flex-start;
}

.li-module-link[aria-current="page"]{
  border-color: rgba(37,99,235,.45);
  box-shadow: 0 12px 24px rgba(37,99,235,0.12);
}

.li-module-icon{
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--li-border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 800;
  font-size: 12px;
  background: var(--li-bg);
}

.li-module-icon.done{
  background: rgba(22,163,74,.12);
  border-color: rgba(22,163,74,.35);
  color: var(--li-success);
}

.li-module-meta{ flex: 1; }
.li-module-title{ font-weight: 800; }
.li-module-minutes{ font-size: 12px; color: var(--li-muted); margin-top: 2px; }

.li-course-content{
  background: #fff;
  border: 1px solid var(--li-border);
  border-radius: 14px;
  padding: 16px;
}

.li-alert{
  background: rgba(14,165,233,.08);
  border: 1px solid rgba(14,165,233,.35);
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 12px;
  color: var(--li-text);
}
.li-alert.danger{
  background: rgba(220,38,38,.08);
  border-color: rgba(220,38,38,.35);
}
.li-alert.success{
  background: rgba(22,163,74,.08);
  border-color: rgba(22,163,74,.35);
}

.li-quiz-area{ margin-top: 14px; }

.li-quiz-form{
  background: #fff;
  border: 1px solid var(--li-border);
  border-radius: 14px;
  padding: 14px;
}

.li-quiz-q{
  border-top: 1px solid var(--li-border);
  padding-top: 12px;
  margin-top: 12px;
}
.li-quiz-q:first-child{ border-top: none; padding-top: 0; margin-top: 0; }

.li-quiz-q h4{ margin: 0 0 8px 0; font-size: 15px; }

.li-quiz-options label{
  display:block;
  padding: 8px 10px;
  border: 1px solid var(--li-border);
  border-radius: 12px;
  margin-bottom: 8px;
  cursor:pointer;
}
.li-quiz-options input{ margin-right: 8px; }

.li-quiz-result{
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--li-bg);
  border: 1px solid var(--li-border);
}

.li-table{ width:100%; border-collapse: collapse; }
.li-table th,.li-table td{ text-align:left; padding: 10px 8px; border-bottom: 1px solid var(--li-border); }
.li-table th{ font-weight: 800; }

.li-verify{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.li-verify input{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--li-border);
  width: min(520px, 100%);
}

.li-verify-result{ margin-top: 12px; }

/* Hide static quiz blocks inside imported HTML; we render interactive quizzes separately */
.li-course-content .li-quiz{ display:none !important; }

@media (max-width: 920px){
  .li-app{ flex-direction: column; }
  .li-sidebar{ width:100%; flex: 0 0 auto; }
}