@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Playfair+Display:wght@600;700;800&display=swap');

:root{
  --bg:#050812;
  --bg-2:#0a1020;
  --panel:rgba(255,255,255,.06);
  --panel-2:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.10);
  --text:#f5f7fb;
  --muted:rgba(255,255,255,.62);
  --gold:#e5c07b;
  --gold-2:#f7dfad;
  --shadow:0 22px 50px rgba(0,0,0,.30);
  --radius:26px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:hidden}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(229,192,123,.10), transparent 24%),
    radial-gradient(circle at top right, rgba(74,102,255,.10), transparent 20%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
  min-height:100vh;
  padding-bottom:96px;
}
a{text-decoration:none;color:inherit}
img,video{display:block;max-width:100%}
button,input{font:inherit}

.app-shell{display:grid;grid-template-columns:92px minmax(0,1fr);min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;
  padding:14px 12px;
  display:flex;flex-direction:column;gap:14px;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));
  backdrop-filter:blur(16px);
}
.brand{display:grid;place-items:center;gap:10px}
.brand-mark{width:56px;height:56px;border-radius:18px;overflow:hidden;border:1px solid rgba(229,192,123,.18);background:linear-gradient(135deg,rgba(229,192,123,.18),rgba(255,255,255,.08))}
.brand-mark img{width:100%;height:100%;object-fit:cover}
.brand-copy{text-align:center}
.brand-copy h1{margin:0;font-size:.74rem;letter-spacing:.24em;color:var(--gold)}
.brand-copy p{margin:4px 0 0;font-size:.72rem;color:rgba(255,255,255,.45)}
.side-nav{display:grid;gap:8px}
.side-link{min-height:58px;padding:10px 8px;border-radius:18px;display:grid;place-items:center;gap:4px;background:rgba(255,255,255,.03);border:1px solid transparent}
.side-link strong{font-size:1.1rem}
.side-link span{font-size:.72rem;color:var(--muted)}
.side-link.active,.side-link:hover{background:rgba(255,255,255,.08);border-color:rgba(229,192,123,.16)}
.sidebar-spacer{flex:1}
.user-mini{padding:12px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.user-mini .role{font-size:.72rem;color:var(--gold);text-transform:uppercase;letter-spacing:.16em}
.user-mini .name{margin-top:6px;font-weight:700}
.user-mini .email{margin-top:4px;font-size:.8rem;color:var(--muted);word-break:break-word}
.logout-btn{width:100%;margin-top:12px;padding:10px 12px;border-radius:999px;background:#151b2b;color:#fff;border:1px solid var(--line);cursor:pointer}

.main{min-width:0;padding:22px 24px 36px}
.topbar,.section-head,.hero,.filter-row,.action-row,.lesson-meta,.explore-banner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.topbar{margin-bottom:18px}
.topbar h2{margin:0;font-size:1.55rem}
.topbar p{margin:6px 0 0;color:var(--muted)}
.status-pill,.filter-chip,.control-btn,.ghost-inline,.chip-btn,.primary-btn,.search-box{
  border-radius:999px;border:1px solid var(--line);
}
.status-pill{padding:10px 14px;background:rgba(255,255,255,.04);color:var(--gold)}
.hero{
  padding:28px;border-radius:32px;background:
  radial-gradient(circle at 85% 18%, rgba(229,192,123,.13), transparent 18%),
  radial-gradient(circle at 15% 85%, rgba(53,82,255,.10), transparent 16%),
  linear-gradient(135deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  margin-bottom:22px;
}
.eyebrow{font-size:.8rem;letter-spacing:.2em;color:var(--gold);text-transform:uppercase}
.hero h1{margin:10px 0 0;font-family:'Playfair Display',serif;font-size:clamp(2rem,4vw,3.6rem);line-height:1}
.hero p{margin:10px 0 0;color:var(--muted);max-width:560px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.hero-meta{display:grid;grid-template-columns:repeat(3,minmax(100px,1fr));gap:12px;min-width:min(380px,100%)}
.stat-card{padding:16px;border-radius:22px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.stat-card .label{font-size:.8rem;color:var(--muted)}
.stat-card .value{margin-top:8px;font-size:1.7rem;font-weight:800}
.stat-card .value.small{font-size:1rem}
.section{margin-top:22px}
.section-head h3{margin:0;font-size:1.5rem}
.section-head p{margin:6px 0 0;color:var(--muted)}
.section-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.primary-btn,.ghost-inline,.control-btn,.chip-btn,.filter-chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 18px;font-weight:800;
}
.primary-btn{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#111}
.primary-btn.compact{min-height:44px;padding:0 16px}
.ghost-inline,.control-btn,.chip-btn.pdf,.chip-btn.disabled,.filter-chip,.search-box{
  background:rgba(255,255,255,.04);color:#fff;
}
.chip-btn.primary{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#111;border:1px solid rgba(229,192,123,.4)}
.chip-btn.disabled{opacity:.65}
.filter-row{justify-content:flex-start;flex-wrap:wrap}
.filter-chip.active{border-color:rgba(229,192,123,.4);color:var(--gold)}
.search-box{padding:0 18px;min-height:48px;min-width:220px;outline:none}
.search-box::placeholder{color:rgba(255,255,255,.42)}

.carousel-arrow{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.05);color:#fff;border:1px solid var(--line);
  font-size:1.2rem;font-weight:800;
}

.row-scroller{
  display:flex;gap:18px;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  scroll-padding-left:4px;
  padding:4px 4px 12px;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior-x:contain;
}
.row-scroller.dragging{cursor:grabbing}
.row-scroller::-webkit-scrollbar{height:8px}
.row-scroller::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
.carousel-slot{
  flex:0 0 clamp(280px, 26vw, 360px);
  min-width:0;
  scroll-snap-align:start;
}
.library-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:18px;
}

.lesson-card{
  overflow:hidden;
  border-radius:28px;
  background:linear-gradient(180deg, rgba(8,12,22,.96), rgba(8,14,28,.92));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 18px 44px rgba(0,0,0,.28);
  min-width:0;
}
.lesson-thumb{
  position:relative;
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#0b0f19;
}
.card-thumb-image{width:100%;height:100%;object-fit:cover;display:block;background:#090d16}
.lesson-thumb-shade{
  position:absolute;inset:0;
  background:linear-gradient(to top, rgba(6,8,14,.68) 0%, rgba(6,8,14,.18) 42%, rgba(6,8,14,.04) 100%);
  pointer-events:none;
}
.lesson-badges{
  position:absolute;top:14px;left:14px;right:14px;
  display:flex;justify-content:space-between;gap:10px;z-index:2;
}
.badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:36px;padding:0 14px;border-radius:999px;font-size:.86rem;font-weight:800;
  backdrop-filter:blur(12px);
}
.badge-primary{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#161616}
.badge-date{background:rgba(8,10,18,.76);color:#fff;border:1px solid rgba(255,255,255,.1)}
.thumb-play{
  position:absolute;right:18px;bottom:18px;width:68px;height:68px;border-radius:50%;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.24);backdrop-filter:blur(10px);
  display:grid;place-items:center;z-index:2;
}
.thumb-play::before{
  content:"";width:0;height:0;border-top:14px solid transparent;border-bottom:14px solid transparent;border-left:22px solid #fff;margin-left:4px;
}
.lesson-body{padding:18px 18px 20px}
.lesson-date-text{font-size:1.05rem;font-weight:800;color:var(--gold);margin-bottom:8px}
.lesson-title{font-size:1.55rem;font-weight:800;color:#fff;line-height:1.05}
.lesson-datekey{margin-top:6px;color:rgba(255,255,255,.48);font-size:.96rem}
.lesson-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.chip-btn{min-width:120px}
.progress-meta{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.progress-track{margin-top:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.progress-bar{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .25s ease}
.muted{color:var(--muted)}

.explore-banner{
  padding:18px 20px;border-radius:24px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
}
.explore-copy h3{margin:0;font-size:1.15rem}
.explore-copy p{margin:6px 0 0;color:var(--muted);font-size:.92rem}

.lesson-stage{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px}
.lesson-cover{position:relative;overflow:hidden;border-radius:26px;border:1px solid var(--line);background:#0a0f1a}
.lesson-cover img{width:100%;height:100%;object-fit:cover}
.lesson-cover-large{aspect-ratio:16/8}
.badge-row{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;gap:10px}
.sub-badge{padding:8px 14px;border-radius:999px;background:rgba(8,10,18,.76);border:1px solid rgba(255,255,255,.1)}
.lesson-player{margin-top:18px;overflow:hidden;border-radius:24px;border:1px solid var(--line);background:#000}
.lesson-player video{width:100%;display:block}
.panel{padding:18px;border-radius:24px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.panel-subtitle{margin-top:6px;color:var(--muted)}
.episode-list{display:grid;gap:10px;margin-top:16px;max-height:70vh;overflow:auto}
.episode-item{display:grid;grid-template-columns:88px minmax(0,1fr);gap:12px;padding:10px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid transparent}
.episode-item.active,.episode-item:hover{border-color:rgba(229,192,123,.25);background:rgba(255,255,255,.05)}
.episode-item img{width:88px;height:56px;object-fit:cover;border-radius:12px}
.episode-item strong{display:block}
.episode-item span{display:block;margin-top:4px;color:var(--muted);font-size:.88rem}
.spacer-top{margin-top:16px}

.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(440px,100%);padding:28px;border-radius:28px;background:rgba(255,255,255,.06);border:1px solid var(--line);box-shadow:var(--shadow)}
.login-card h1{margin:0;font-family:'Playfair Display',serif;font-size:2.2rem}
.login-card p{margin:10px 0 0;color:var(--muted)}
.login-form{display:grid;gap:14px;margin-top:18px}
.login-form input{width:100%;min-height:50px;padding:0 16px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:#fff;outline:none}
.error-box{margin-top:16px;padding:12px 14px;border-radius:16px;background:rgba(255,79,79,.12);border:1px solid rgba(255,79,79,.2);color:#ffd0d0}

.not-found{min-height:100vh;display:grid;place-items:center;padding:24px}
.not-found-card{width:min(520px,100%);padding:28px;border-radius:28px;background:rgba(255,255,255,.06);border:1px solid var(--line);text-align:center}
.mobile-dock{
  position:fixed;left:14px;right:14px;bottom:14px;z-index:20;
  display:none;gap:8px;padding:8px;border-radius:18px;background:rgba(8,12,20,.82);border:1px solid var(--line);backdrop-filter:blur(14px)
}
.dock-item{flex:1;display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:14px;background:rgba(255,255,255,.04);font-weight:700;font-size:.92rem}

@media (max-width: 1024px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{display:none}
  .main{padding:18px 16px 24px}
  .hero{flex-direction:column;align-items:flex-start}
  .hero-meta{grid-template-columns:repeat(3, minmax(0,1fr));width:100%}
  .lesson-stage{grid-template-columns:1fr}
  .carousel-slot{flex:0 0 min(82vw, 340px)}
  .mobile-dock{display:flex}
}

@media (max-width: 640px){
  body{padding-bottom:88px}
  .topbar,.section-head,.explore-banner,.action-row,.hero-actions{flex-direction:column;align-items:flex-start}
  .section-actions{width:100%}
  .primary-btn,.ghost-inline,.search-box{width:100%;justify-content:center}
  .filter-row{gap:8px}
  .filter-chip{width:auto}
  .carousel-slot{flex:0 0 86vw}
  .lesson-title{font-size:1.28rem}
  .lesson-body{padding:16px}
  .thumb-play{width:56px;height:56px}
  .thumb-play::before{border-top:11px solid transparent;border-bottom:11px solid transparent;border-left:18px solid #fff}
  .hero h1{font-size:2.2rem}
  .hero-meta{grid-template-columns:1fr}
  .progress-meta{flex-direction:column;align-items:flex-start}
}