/* =====================================================================
   BASHA GRADE COURSES — صفحة كورسات الصف الدراسي
   ===================================================================== */

.bs-gc{ padding-block:42px 72px; }
.bs-gc .bs-head{ margin-bottom:36px; }

.bs-gc__back{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
  font-weight:800;
  color:var(--accent);
  text-decoration:none;
}
.bs-gc__back .bs-ico{
  width:18px;
  height:18px;
  transform:scaleX(-1);
}

.bs-gc__empty{
  display:grid;
  justify-items:center;
  gap:10px;
  max-width:520px;
  margin-inline:auto;
  padding:42px 28px;
  text-align:center;
  border-radius:var(--radius-lg);
  background:var(--card-bg);
  border:1px dashed var(--border-strong);
  box-shadow:var(--shadow-soft);
}
.bs-gc__emptyIco{
  display:grid;
  place-items:center;
  width:56px;
  height:56px;
  border-radius:50%;
  background:var(--surface-strong);
  color:var(--accent);
}
.bs-gc__emptyTitle{
  margin:6px 0 0;
  font-family:var(--font-display);
  font-size:1.35rem;
  font-weight:700;
  color:var(--text-strong);
}
.bs-gc__emptyHint{
  margin:0;
  color:var(--muted);
  font-size:.98rem;
  font-weight:600;
  line-height:1.85;
}

.bs-gc__deck{ margin-inline:-4px; }
.bs-gc__viewport{
  overflow:hidden;
  mask-image:linear-gradient(90deg, transparent 0, #000 36px, #000 calc(100% - 36px), transparent 100%);
  -webkit-mask-image:linear-gradient(90deg, transparent 0, #000 36px, #000 calc(100% - 36px), transparent 100%);
}
.bs-gc__track{
  display:flex;
  flex-wrap:nowrap;
  gap:22px;
  width:max-content;
  padding-block:6px 18px;
  will-change:transform;
}
.bs-gc__track.is-running{
  animation:bsCoursesMarquee var(--marquee-ms, 32s) linear infinite;
}
.bs-gc__track:not(.is-running){
  margin-inline:auto;
}
.bs-gc__deck:hover .bs-gc__track.is-running,
.bs-gc__deck:focus-within .bs-gc__track.is-running{
  animation-play-state:paused;
}
@keyframes bsCoursesMarquee{
  from{ transform:translateX(0); }
  to  { transform:translateX(var(--marquee-shift, 50%)); }
}

.bs-course{
  display:grid;
  grid-template-rows:auto 1fr;
  flex:0 0 auto;
  width:min(320px, 78vw);
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.bs-course:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-strong);
  border-color:var(--border-strong);
}

.bs-course__media{
  aspect-ratio:16/10;
  background:var(--grad-brand);
  overflow:hidden;
}
.bs-course__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.bs-course__fallback{
  display:grid;
  place-items:center;
  width:100%;
  height:100%;
  color:#fff;
}
.bs-course__fallback .bs-seal{ width:72px; height:72px; }

.bs-course__body{
  display:grid;
  align-content:start;
  gap:12px;
  padding:18px 20px 20px;
}
.bs-course__title{
  margin:0;
  font-family:var(--font-display);
  font-size:1.28rem;
  font-weight:700;
  color:var(--text-strong);
  line-height:1.6;
}
.bs-course__excerpt{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
  font-weight:600;
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.bs-course__pricing{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.bs-course__badge{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  background:var(--red-800, #75121C);
  color:#fff;
  font-size:.78rem;
  font-weight:800;
}
.bs-course__badge--free{
  background:#fff;
  color:var(--red-800, #75121C);
  border:1px solid var(--border-strong);
}
.bs-course__price{
  font-weight:800;
  color:var(--text-strong);
}
.bs-course__price--old{
  color:var(--muted);
  text-decoration:line-through;
  font-weight:700;
}
.bs-course__until{
  width:100%;
  color:var(--muted);
  font-size:.85rem;
  font-weight:700;
}

.bs-course__actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:4px;
}
.bs-course__actions .bs-btn{
  flex:1 1 140px;
  justify-content:center;
  text-align:center;
}
.bs-course__lock{
  margin:0;
  color:var(--muted);
  font-size:.86rem;
  font-weight:700;
  line-height:1.7;
}

@media (max-width:960px){
  .bs-gc__viewport{
    mask-image:linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
    -webkit-mask-image:linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
  }
  .bs-gc__track{ gap:16px; }
}

@media (max-width:640px){
  .bs-gc{ padding-block:28px 56px; }
  .bs-course{ width:min(280px, 84vw); }
}

@media (prefers-reduced-motion: reduce){
  .bs-gc__track,
  .bs-gc__track.is-running{
    animation:none;
    flex-wrap:wrap;
    justify-content:center;
    max-width:100%;
    width:auto;
    transform:none;
  }
}