/* ============================================
   DZTFIX - Courses (Udemy-like front)
   ============================================ */

.courses-hero{
  display:grid;
  grid-template-columns: 1.35fr .65fr;
  gap:22px;
  align-items:stretch;
  margin: 18px 0 22px;
}
@media (max-width: 980px){
  .courses-hero{ grid-template-columns: 1fr; }
}

.courses-hero__text{
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 26px;
  padding: 26px 26px 22px;
  position: relative;
  overflow: hidden;
}
.courses-hero__text:before{
  content:"";
  position:absolute; inset:-1px;
  background: radial-gradient(1200px 600px at 30% 10%, rgba(124,92,255,.22), transparent 60%),
              radial-gradient(900px 520px at 90% 20%, rgba(38,212,255,.15), transparent 60%);
  pointer-events:none;
}
.courses-hero__text > *{ position: relative; z-index: 1; }

.courses-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.05);
  font-weight: 800;
  letter-spacing:.6px;
  opacity:.95;
  width: fit-content;
}
.courses-title{
  margin: 14px 0 6px;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.08;
}
.courses-sub{
  margin: 0 0 16px;
  opacity:.9;
  max-width: 64ch;
}

.courses-searchbar{
  display:grid;
  grid-template-columns: 1fr 220px;
  gap: 12px;
}
@media (max-width: 720px){
  .courses-searchbar{ grid-template-columns: 1fr; }
}

.courses-search{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 12px 14px;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(0,0,0,.20);
}
.courses-search svg{ width:20px; height:20px; opacity:.9; }
.courses-search input{
  width:100%;
  border:0;
  outline:0;
  background: transparent;
  color: var(--text);
  font-weight: 700;
}

.courses-sort select{
  width:100%;
  height: 48px;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(0,0,0,.20);
  color: var(--text);
  padding: 0 14px;
  font-weight: 800;
}

.courses-hero__media{
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 26px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
}
.courses-shot{
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 22px;
}
.courses-shot img{ width: 100%; max-width: 420px; opacity:.85; filter: drop-shadow(0 18px 40px rgba(0,0,0,.35)); }

/* ============================================
   Showcase (temporary landing)
   ============================================ */

.courses-showcase{
  margin: 0 0 22px;
}

.courses-showcase__card{
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 26px;
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.courses-showcase__card:before{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(1000px 520px at 20% 10%, rgba(38,212,255,.16), transparent 58%),
              radial-gradient(900px 520px at 90% 30%, rgba(124,92,255,.18), transparent 60%);
  pointer-events:none;
}

.courses-showcase__card > *{ position: relative; z-index: 1; }

.courses-showcase__badges{
  display:flex;
  align-items:center;
  gap: 8px;
  flex-wrap:wrap;
  margin-bottom: 10px;
}

.courses-showcase__title{
  margin: 8px 0 8px;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.15;
  font-weight: 950;
}

.courses-showcase__sub{
  margin: 0 0 16px;
  opacity: .9;
  font-weight: 750;
  max-width: 70ch;
  line-height: 1.7;
}

.courses-showcase__actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}

.courses-layout{
  display:grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
}
@media (max-width: 980px){
  .courses-layout{ grid-template-columns: 1fr; }
}

.courses-filters{
  position: sticky;
  top: 92px;
  align-self:start;
}
@media (max-width: 980px){
  .courses-filters{ position: static; }
}

.filter-card{
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 22px;
  padding: 14px;
  margin-bottom: 14px;
}
.filter-title{
  font-weight: 900;
  margin-bottom: 10px;
  opacity:.95;
}
.filter-list{
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.filter-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.16);
  cursor:pointer;
  user-select:none;
}
.filter-item:hover{ border-color: rgba(124,92,255,.28); }
.filter-item .name{ font-weight: 800; }
.filter-item .count{ opacity:.8; font-weight: 800; }
.filter-item.is-active{
  border-color: rgba(124,92,255,.55);
  background: rgba(124,92,255,.12);
}

.filter-chips{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
}
.chip{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 12px;
  font-weight: 900;
  cursor:pointer;
}
.chip:hover{ border-color: rgba(38,212,255,.25); }
.chip.is-active{
  border-color: rgba(38,212,255,.55);
  background: rgba(38,212,255,.10);
}

.check{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 8px 4px;
  font-weight: 800;
  opacity:.95;
}
.check input{ width:18px; height:18px; }

.courses-content{
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 26px;
  padding: 16px;
}
.courses-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 8px 6px 14px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 14px;
}
.courses-count{ font-weight: 900; opacity:.95; }
.courses-tabs{
  display:flex;
  gap: 8px;
  flex-wrap:wrap;
}
.tab{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.16);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 12px;
  font-weight: 900;
  cursor:pointer;
}
.tab.is-active{
  border-color: rgba(124,92,255,.55);
  background: rgba(124,92,255,.12);
}

.courses-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 1200px){ .courses-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px){ .courses-grid{ grid-template-columns: 1fr; } }

.course-card{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.16);
  border-radius: 20px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  min-height: 280px;
  position: relative;
}
.course-card:hover{ border-color: rgba(38,212,255,.22); transform: translateY(-1px); }
.course-thumb{
  height: 150px;
  background: radial-gradient(600px 220px at 30% 20%, rgba(124,92,255,.28), transparent 65%),
              radial-gradient(500px 220px at 80% 40%, rgba(38,212,255,.22), transparent 70%),
              rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  padding: 12px;
}
.course-badges{ display:flex; gap: 8px; flex-wrap:wrap; }
.pill{
  font-weight: 900;
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.20);
}
.pill.featured{ border-color: rgba(255,214,92,.45); background: rgba(255,214,92,.10); }
.pill.ar{ border-color: rgba(38,212,255,.35); background: rgba(38,212,255,.08); }

.course-body{
  padding: 12px 12px 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  flex:1;
}
.course-title{
  font-weight: 900;
  line-height: 1.2;
  margin:0;
}
.course-meta{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  opacity:.9;
  font-weight: 800;
  font-size: 13px;
}
.course-desc{
  opacity:.85;
  font-weight: 700;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-footer{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding-top: 6px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.price{
  font-weight: 900;
}
.price .old{
  opacity:.65;
  text-decoration: line-through;
  margin-inline-start: 8px;
  font-weight: 800;
}
.btn-mini{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  color: var(--text);
  font-weight: 900;
  cursor:pointer;
  text-decoration:none;
}
.btn-mini.primary{
  border-color: rgba(124,92,255,.55);
  background: rgba(124,92,255,.14);
}
.courses-empty{
  text-align:center;
  padding: 26px 12px;
  opacity:.9;
  font-weight: 900;
}

/* ============================================
   Course Preview Modal
   ============================================ */

.course-card{ transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease; }
.course-card:hover{ box-shadow: 0 18px 50px rgba(0,0,0,.18); }

.course-modal-card{
  width: min(760px, calc(100% - 40px));
  padding: 18px;
}
.course-modal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.course-modal-title{
  font-weight: 950;
  letter-spacing: .3px;
  font-size: 18px;
  line-height: 1.25;
}
.course-modal-close{
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
  cursor:pointer;
  display:grid;
  place-items:center;
}
.course-modal-close:hover{ border-color: rgba(255,255,255,.20); }

.course-modal-meta{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  margin: 6px 0 10px;
}
.course-modal-meta .pill{ font-size: 12px; }

.course-modal-desc{
  margin: 0 0 12px;
  opacity: .92;
  font-weight: 750;
  line-height: 1.6;
}

.course-modal-stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 10px 0 16px;
}
@media (max-width: 720px){
  .course-modal-stats{ grid-template-columns: 1fr; }
}

.cm-stat{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.16);
  border-radius: 18px;
  padding: 12px;
}
.cm-stat .k{ opacity:.8; font-weight: 900; font-size: 12px; letter-spacing:.2px; }
.cm-stat .v{ margin-top: 6px; font-weight: 950; font-size: 16px; }