/* ============================================================
   Margin School — Design system
   ============================================================ */
:root{
  --primary:#4f46e5; --primary-d:#4338ca; --primary-l:#eef0fe;
  --accent:#0ea5e9; --profit:#10b981; --loss:#ef4444; --gold:#f59e0b;
  --ink:#101425; --ink-2:#3a4157; --muted:#6b7280; --line:#e7e9f1;
  --bg:#ffffff; --surface:#f6f7fb; --surface-2:#eef1f7; --card:#ffffff;
  --radius:14px; --radius-sm:9px; --shadow:0 1px 2px rgba(16,20,37,.05),0 6px 24px rgba(16,20,37,.06);
  --shadow-lg:0 10px 40px rgba(16,20,37,.14);
  --nav-h:62px; --max:1240px;
  --ff:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --fh:'Sora','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff);color:var(--ink);background:var(--bg);line-height:1.55;font-size:15.5px;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--fh);line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,3.5vw,2.5rem)}
h2{font-size:clamp(1.3rem,2.4vw,1.7rem)}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.sm{font-size:.86rem}
.up{text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;font-weight:600}
button{font-family:inherit;cursor:pointer}
main{min-height:60vh}
.center{justify-content:center}

/* ---------- Buttons ---------- */
.btn-primary,.btn-outline,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);font-weight:600;padding:10px 18px;border:1.5px solid transparent;transition:.15s;font-size:.95rem;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-outline{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--surface)}
.btn-block{display:flex;width:100%}
.btn-lg{padding:14px 26px;font-size:1.02rem}
.btn-sm{padding:7px 13px;font-size:.85rem}
.btn-xs{padding:5px 10px;font-size:.78rem;border-radius:7px;border:1.5px solid var(--line);background:#fff}
.link-btn{background:none;border:none;color:var(--primary);font-weight:600;padding:0;font-size:.9rem}
.link-btn.danger,.danger{color:var(--loss)}
.icon-del{background:none;border:none;font-size:1rem;opacity:.6}.icon-del:hover{opacity:1}

/* ---------- Alerts ---------- */
.alert{padding:11px 15px;border-radius:var(--radius-sm);margin:0 0 16px;font-size:.92rem;border:1px solid}
.alert.ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.alert.warn{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.alert.sm{padding:7px 11px;font-size:.82rem}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--max);margin:0 auto;height:var(--nav-h);display:flex;align-items:center;gap:14px;padding:0 20px}
.brand{display:inline-flex;align-items:center;gap:8px;font-family:var(--fh);font-weight:800;font-size:1.15rem;flex-shrink:0}
.brand-mark{color:var(--primary);font-size:1.35rem;line-height:1}
.brand-name span{color:var(--primary)}
.brand.center{justify-content:center;margin-bottom:14px;font-size:1.3rem}
.nav-cats{position:relative;font-weight:600;color:var(--ink-2);cursor:pointer;padding:8px 4px;display:flex;align-items:center}
.nav-cats>span{display:flex;align-items:center;gap:5px}
.mega{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:18px;display:grid;grid-template-columns:repeat(3,minmax(190px,1fr));gap:8px 26px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;width:max-content;max-width:90vw}
.nav-cats:hover .mega,.nav-cats:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:6px 0 4px}
.mega-col a{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:7px;font-size:.9rem;color:var(--ink-2)}
.mega-col a:hover{background:var(--surface);color:var(--primary)}
.mega-col a span{width:18px;text-align:center}
.nav-search{flex:1;display:flex;align-items:center;gap:9px;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:0 16px;height:42px;min-width:120px;color:var(--muted)}
.nav-search:focus-within{border-color:var(--primary);background:#fff}
.nav-search input{border:none;background:none;outline:none;flex:1;font-size:.95rem;font-family:inherit;color:var(--ink);min-width:40px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{padding:8px 11px;border-radius:8px;font-weight:600;color:var(--ink-2);font-size:.92rem}
.nav-link:hover{background:var(--surface);color:var(--ink)}
.icon-btn{position:relative;display:inline-flex;padding:9px;border-radius:9px;color:var(--ink-2)}
.icon-btn:hover{background:var(--surface);color:var(--ink)}
.badge{position:absolute;top:0;right:0;background:var(--loss);color:#fff;font-size:.66rem;font-weight:700;min-width:16px;height:16px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 3px}
.nav-picker{position:relative}
.pill{background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:7px 12px;font-weight:600;font-size:.82rem;color:var(--ink-2)}
.picker-pop{position:absolute;top:110%;right:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;min-width:190px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s;z-index:50}
.nav-picker:hover .picker-pop,.nav-picker:focus-within .picker-pop{opacity:1;visibility:visible;transform:translateY(0)}
.picker-h{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;padding:8px 10px 3px}
.picker-pop a{display:block;padding:7px 10px;border-radius:7px;font-size:.9rem;color:var(--ink-2)}
.picker-pop a:hover{background:var(--surface)}.picker-pop a.on{color:var(--primary);font-weight:700;background:var(--primary-l)}
.acct-head{display:flex;gap:10px;align-items:center;padding:8px 10px 12px;border-bottom:1px solid var(--line);margin-bottom:6px}
.acct-head span{font-size:.78rem;color:var(--muted);display:block}
.nav-picker.account{cursor:pointer}
.nav-burger{display:none;flex-direction:column;gap:4px;background:none;border:none;padding:8px}
.nav-burger span{width:20px;height:2px;background:var(--ink);border-radius:2px}
.nav-scrim,.filters-scrim{display:none}

.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:700;font-family:var(--fh);flex-shrink:0}
.avatar-sm{width:34px;height:34px;font-size:.8rem}
.avatar-md{width:44px;height:44px;font-size:.95rem}
.avatar-lg{width:66px;height:66px;font-size:1.4rem}
.avatar-xl{width:84px;height:84px;font-size:1.8rem}
.avatar-xxl{width:120px;height:120px;font-size:2.6rem}

/* ---------- HERO ---------- */
.hero{position:relative;background:linear-gradient(160deg,#0f1230 0%,#20164e 45%,#3b1f6e 100%);color:#fff;overflow:hidden;padding:66px 0 74px}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(600px 300px at 85% 10%,rgba(14,165,233,.25),transparent),
  radial-gradient(500px 260px at 10% 90%,rgba(16,185,129,.18),transparent);
  opacity:.9}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:38px 38px;mask:linear-gradient(180deg,#000,transparent)}
.hero-inner{position:relative;max-width:860px;margin:0 auto;padding:0 20px;text-align:center}
.hero h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem);margin-bottom:16px}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:#c9cce6;max-width:680px;margin:0 auto 28px}
.hero-search{display:flex;gap:8px;max-width:600px;margin:0 auto;background:#fff;border-radius:999px;padding:6px;box-shadow:var(--shadow-lg)}
.hero-search input{flex:1;border:none;outline:none;background:none;padding:0 20px;font-size:1rem;color:var(--ink);font-family:inherit;min-width:40px}
.hero-search button{border:none;background:var(--primary);color:#fff;border-radius:999px;padding:13px 26px;font-weight:700;font-size:.98rem}
.hero-search button:hover{background:var(--primary-d)}
.hero-stats{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.hero-stats div{text-align:center}
.hero-stats b{display:block;font-family:var(--fh);font-size:1.5rem;color:#fff}
.hero-stats span{font-size:.82rem;color:#a8abcf}

.sec-h{margin:0 0 18px}
/* ---------- Category grid ---------- */
.cat-grid-sec{padding:44px 0 8px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.cat-tile{display:flex;flex-direction:column;gap:4px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:.15s}
.cat-tile:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}
.cat-tile-icon{font-size:1.7rem}
.cat-tile-name{font-weight:700;font-family:var(--fh)}
.cat-tile-count{font-size:.78rem}

/* ---------- Course rows / cards ---------- */
.row-sec{margin:38px 0}
.row-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px;gap:12px}
.row-more{color:var(--primary);font-weight:600;font-size:.9rem;white-space:nowrap}
.row-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);gap:18px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.row-scroll::-webkit-scrollbar{height:8px}.row-scroll::-webkit-scrollbar-thumb{background:var(--surface-2);border-radius:8px}
.row-scroll .course-card{scroll-snap-align:start}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}

.course-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.16s;height:100%}
.course-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
.card-cover{position:relative;aspect-ratio:16/9}
.cover{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:12px;overflow:hidden}
.cover-icon{position:absolute;top:8px;left:12px;font-size:2.6rem;opacity:.9;filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}
.cover-cat{color:rgba(255,255,255,.96);font-weight:700;font-family:var(--fh);font-size:.95rem;text-shadow:0 1px 4px rgba(0,0,0,.3);z-index:1}
.cover-grain{position:absolute;inset:0;background:radial-gradient(120% 100% at 100% 0,rgba(255,255,255,.18),transparent 55%),linear-gradient(180deg,transparent,rgba(0,0,0,.22))}
.cover.big{border-radius:0}
.card-badge{position:absolute;top:10px;right:10px;padding:4px 9px;border-radius:6px;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.03em;z-index:2}
.card-badge.best{background:var(--gold);color:#3a2500}
.card-badge.new{background:var(--profit);color:#04321f}
.card-fav{position:absolute;bottom:10px;right:10px;background:rgba(255,255,255,.92);border:none;border-radius:50%;width:34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--ink-2);z-index:2;transition:.15s}
.card-fav:hover{transform:scale(1.1)}
.card-fav.on{color:var(--loss)}.card-fav.on svg path{fill:var(--loss)}
.card-body{padding:13px 14px 15px;display:flex;flex-direction:column;gap:3px;flex:1}
.card-title{font-size:1rem;font-weight:700;line-height:1.3;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.card-instr{font-size:.82rem;color:var(--muted)}
.card-rating{display:flex;align-items:center;gap:5px;font-size:.85rem;margin-top:2px}
.card-rating b{color:#b4690e;font-weight:800}
.stars{color:var(--gold);letter-spacing:1px;font-size:.9rem;display:inline-flex}
.stars .empty{color:#d6d9e3}.stars .half{position:relative;color:#d6d9e3}
.stars .half::before{content:"★";position:absolute;left:0;width:50%;overflow:hidden;color:var(--gold)}
.stars.sm{font-size:.8rem}
.card-meta{font-size:.78rem;color:var(--muted);margin-top:2px}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px}
.card-price b{font-family:var(--fh);font-size:1.15rem}
.card-price .free,.price-free{color:var(--profit)}
.card-lang{font-size:.7rem;font-weight:700;color:var(--ink-2);background:var(--surface-2);padding:2px 7px;border-radius:5px}

/* ---------- Banners / CTA ---------- */
.banner-teach{background:linear-gradient(120deg,#101430,#2a1c56);border-radius:var(--radius);padding:30px;margin:40px 0;color:#fff}
.banner-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.banner-teach h2{color:#fff;margin-bottom:6px}.banner-teach p{color:#c4c7e6;margin:0;max-width:560px}
.cta-bottom{background:var(--surface);border-top:1px solid var(--line);text-align:center;padding:56px 0;margin-top:50px}
.cta-bottom p{color:var(--muted);max-width:600px;margin:0 auto 20px}

.instr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px}
.instr-card{text-align:center;padding:22px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:.15s}
.instr-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--primary)}
.instr-card .avatar{margin:0 auto 10px}
.instr-name{font-weight:700;font-family:var(--fh)}
.instr-headline{font-size:.8rem;margin:2px 0 8px;min-height:2.4em}
.instr-meta{font-size:.82rem;color:var(--ink-2)}

/* ---------- CATALOG ---------- */
.catalog{padding:26px 0 60px}
.catalog-head h1{margin-bottom:14px}
.catalog-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.res-count{margin-right:auto}
.sort-select{font-size:.88rem;color:var(--muted);display:flex;align-items:center;gap:6px}
.sort-select select,.settings-grid select,.teach-form select,.review-form-foot input{font-family:inherit}
select{padding:8px 12px;border:1.5px solid var(--line);border-radius:8px;background:#fff;font-size:.9rem;color:var(--ink)}
.filter-toggle{display:none}
.catalog-body{display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start}
.filters{position:sticky;top:calc(var(--nav-h) + 14px)}
.filters-head{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.filters-head strong{font-family:var(--fh)}
.clear-link{color:var(--primary);font-size:.82rem;margin-left:auto}
.filters-close{display:none;background:none;border:none;font-size:1.2rem}
.filter-block{border-top:1px solid var(--line);padding:14px 0}
.filter-block h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:10px}
.fchip{display:inline-block;padding:6px 13px;border:1.5px solid var(--line);border-radius:999px;font-size:.85rem;margin:0 6px 6px 0;color:var(--ink-2)}
.fchip.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.frow{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:7px;font-size:.9rem;color:var(--ink-2)}
.frow:hover{background:var(--surface)}
.frow.on{color:var(--primary);font-weight:700;background:var(--primary-l)}
.cat-grp-label{font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;margin:12px 0 3px;letter-spacing:.04em}
.cat-scroll{max-height:340px;overflow-y:auto}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty p{margin-bottom:16px}

/* ---------- COURSE DETAIL ---------- */
.course-hero{background:linear-gradient(155deg,#12152e,#241a4d);color:#fff;padding:34px 0}
.course-hero-main{max-width:720px}
.crumbs{font-size:.82rem;color:#a8abcf;margin-bottom:12px}.crumbs a:hover{color:#fff}
.course-hero h1{color:#fff;margin-bottom:10px}
.course-sub{font-size:1.08rem;color:#cfd2ec;margin-bottom:14px}
.course-hero-meta{display:flex;gap:16px;flex-wrap:wrap;align-items:center;font-size:.9rem;color:#cfd2ec;margin-bottom:8px}
.rating-inline b{color:var(--gold);font-weight:800;margin-right:4px}
.course-hero-by{font-size:.9rem;color:#cfd2ec;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.course-hero-by a{color:#fff;text-decoration:underline}
.pill-mini{background:rgba(255,255,255,.12);padding:2px 9px;border-radius:6px;font-size:.8rem}

.course-layout{display:grid;grid-template-columns:1fr 350px;gap:34px;align-items:start;padding:28px 0 60px}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-bottom:22px}
.box h2{font-size:1.3rem;margin-bottom:14px}
.check-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.check-list li{position:relative;padding-left:26px;font-size:.92rem}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--profit);font-weight:800}
.dot-list{margin:0;padding-left:20px}.dot-list li{margin-bottom:6px}
.curriculum-head{display:flex;justify-content:space-between;align-items:center}
.curr-summary{margin:-6px 0 14px}
.accordion{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.acc-item+.acc-item{border-top:1px solid var(--line)}
.acc-head{width:100%;display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--surface);border:none;text-align:left;font-size:.95rem;font-weight:600;color:var(--ink)}
.acc-head:hover{background:var(--surface-2)}
.acc-arrow{transition:.2s;color:var(--muted)}
.acc-item.open .acc-arrow{transform:rotate(90deg)}
.acc-title{flex:1}
.acc-count{font-weight:400;font-size:.82rem}
.acc-body{display:none;padding:4px 16px 10px}
.acc-item.open .acc-body{display:block}
.lesson-row{display:flex;align-items:center;gap:10px;padding:9px 4px;border-bottom:1px solid var(--surface-2);font-size:.9rem}
.lesson-row:last-child{border-bottom:none}
.lesson-ic{color:var(--muted);display:inline-flex}
.lesson-name{flex:1}
.lesson-preview{color:var(--primary);font-weight:600;font-size:.82rem}
.lesson-dur{font-size:.82rem}
.prose{color:var(--ink-2);line-height:1.7}
.prose h3{margin-top:18px;color:var(--ink)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.tag{background:var(--surface);border:1px solid var(--line);padding:5px 12px;border-radius:999px;font-size:.82rem;color:var(--ink-2)}
.instr-lead{display:flex;gap:16px;align-items:flex-start;margin-bottom:14px}
.instr-lead-name{font-family:var(--fh);font-weight:700;font-size:1.15rem;color:var(--primary)}
.instr-lead-stats{display:flex;gap:14px;flex-wrap:wrap;font-size:.85rem;color:var(--ink-2);margin-top:6px}
.reviews-summary{display:flex;gap:30px;align-items:center;flex-wrap:wrap;padding:8px 0 20px;border-bottom:1px solid var(--line);margin-bottom:20px}
.rev-big{text-align:center}
.rev-num{font-family:var(--fh);font-size:2.6rem;font-weight:800;color:#b4690e;line-height:1}
.rev-bars{flex:1;min-width:220px}
.rev-bar{display:flex;align-items:center;gap:10px;margin-bottom:5px;font-size:.82rem}
.rev-bar-l{width:26px;color:var(--muted)}
.rev-bar-track{flex:1;height:8px;background:var(--surface-2);border-radius:8px;overflow:hidden}
.rev-bar-track span{display:block;height:100%;background:var(--gold)}
.review-form{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:24px}
.review-form h3{margin-bottom:10px}
.rate-picker{font-size:1.8rem;color:#d6d9e3;cursor:pointer;user-select:none;display:inline-flex;gap:2px;margin-bottom:10px}
.rate-picker span{transition:.1s}
.rate-picker span.on,.rate-picker span.hover{color:var(--gold)}
textarea,.auth-form input,.teach-form input,.teach-form textarea,.review-form input,.review-form textarea,.settings-grid input,.settings-grid select,.checkout-form input,.coupon-form input,.curr-add-section input{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:9px;font-family:inherit;font-size:.94rem;background:#fff;color:var(--ink)}
textarea:focus,input:focus,select:focus{outline:none;border-color:var(--primary)}
.review-form-foot{display:flex;gap:12px;margin-top:10px;flex-wrap:wrap}
.review-form-foot input{flex:1;min-width:160px}
.reviews-list{display:flex;flex-direction:column;gap:20px}
.review{display:flex;gap:14px}
.review-top{display:flex;align-items:center;gap:8px}
.review-meta{font-size:.8rem;margin:1px 0 5px}
.review-body p{margin:0}

/* Buy card */
.buy-card-wrap{position:sticky;top:calc(var(--nav-h) + 16px)}
.buy-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.buy-cover{position:relative;aspect-ratio:16/9;cursor:pointer}
.play-badge{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:rgba(10,12,30,.34);color:#fff}
.play-badge svg{background:rgba(0,0,0,.45);border-radius:50%;padding:12px;width:52px;height:52px}
.play-badge em{font-style:normal;font-weight:700;font-size:.85rem;text-shadow:0 1px 3px rgba(0,0,0,.5)}
.buy-body{padding:20px}
.buy-price{margin-bottom:16px}
.price-now{font-family:var(--fh);font-size:2rem;font-weight:800}
.price-free{font-family:var(--fh);font-size:2rem;font-weight:800}
.buy-body .btn-primary,.buy-body .btn-outline,.buy-body .btn-ghost{margin-bottom:10px}
.fav-toggle.on{color:var(--loss);border-color:var(--loss)}
.fav-toggle.on svg path{fill:var(--loss)}
.owned-note{color:var(--profit);font-weight:600;font-size:.9rem;text-align:center;margin:4px 0 0}
.buy-includes{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.buy-includes h4{font-size:.9rem;margin-bottom:10px}
.buy-includes ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.buy-includes li{display:flex;align-items:center;gap:9px;font-size:.88rem;color:var(--ink-2)}

/* Video modal */
.video-modal{display:none;position:fixed;inset:0;background:rgba(6,8,20,.85);z-index:200;align-items:center;justify-content:center;padding:20px}
.video-modal.on{display:flex}
.video-modal-inner{width:min(900px,100%);position:relative}
.video-modal-title{color:#fff;font-weight:600;margin-bottom:8px}
.video-modal video{width:100%;border-radius:12px;background:#000;aspect-ratio:16/9}
.video-close{position:absolute;top:-38px;right:0;background:none;border:none;color:#fff;font-size:1.5rem}

/* ---------- AUTH ---------- */
.auth-wrap{min-height:calc(100vh - var(--nav-h));display:flex;align-items:center;justify-content:center;padding:40px 20px;background:var(--surface)}
.auth-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}
.auth-card h1{font-size:1.5rem;text-align:center;margin-bottom:18px}
.auth-form{display:flex;flex-direction:column;gap:14px}
.auth-form label,.settings-grid label,.teach-form label,.checkout-form label{display:flex;flex-direction:column;gap:6px;font-size:.86rem;font-weight:600;color:var(--ink-2)}
.check{flex-direction:row!important;align-items:center;gap:8px!important;font-weight:500!important}
.check input{width:auto}
.auth-row{display:flex;justify-content:space-between;align-items:center;font-size:.85rem}
.auth-row a{color:var(--primary)}
.auth-alt{text-align:center;margin-top:16px;font-size:.9rem;color:var(--muted)}
.auth-alt a{color:var(--primary);font-weight:600}
.auth-demo{margin-top:16px;padding:10px;background:var(--surface);border-radius:8px;font-size:.78rem;text-align:center}
code{background:var(--surface-2);padding:1px 6px;border-radius:5px;font-size:.85em}

/* ---------- CART / CHECKOUT ---------- */
.cart-page,.checkout-page{padding:28px 0 60px}
.cart-page h1,.checkout-page h1{margin-bottom:20px}
.cart-layout,.checkout-layout{display:grid;grid-template-columns:1fr 330px;gap:28px;align-items:start}
.cart-items{display:flex;flex-direction:column;gap:14px}
.cart-item{display:flex;gap:16px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.cart-thumb{width:150px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;position:relative;flex-shrink:0}
.cart-item-info{flex:1;min-width:0}
.cart-item-title{font-weight:700;font-family:var(--fh);display:block;margin-bottom:3px}
.cart-item-right{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.cart-item-price{font-family:var(--fh);font-weight:800;font-size:1.1rem}
.cart-summary,.checkout-summary{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:sticky;top:calc(var(--nav-h)+16px)}
.summary-line{display:flex;justify-content:space-between;padding:6px 0;color:var(--ink-2);font-size:.92rem}
.summary-line.disc{color:var(--profit)}
.summary-total{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-family:var(--fh);font-size:1.3rem;font-weight:800}
.coupon-form{display:flex;gap:8px;margin:14px 0}
.coupon-form input{flex:1}
.co-item{display:flex;justify-content:space-between;gap:10px;font-size:.88rem;padding:6px 0;border-bottom:1px solid var(--surface-2)}
.checkout-form h3{margin:6px 0 14px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.checkout-done{padding:50px 0;display:flex;justify-content:center}
.done-card{max-width:520px;text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:40px 30px;box-shadow:var(--shadow)}
.done-check{width:64px;height:64px;border-radius:50%;background:var(--profit);color:#fff;font-size:2rem;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.done-items{text-align:left;margin:20px 0;border-top:1px solid var(--line)}
.done-item{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--surface-2);font-size:.9rem}
.done-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- ACCOUNT / LIBRARY ---------- */
.account{padding:26px 0 60px}
.account-head{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow-x:auto}
.tab{padding:12px 16px;font-weight:600;color:var(--muted);border-bottom:2.5px solid transparent;white-space:nowrap}
.tab.on{color:var(--primary);border-color:var(--primary)}
.tab:hover{color:var(--ink)}
.lib-filters{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.chip{padding:7px 15px;border:1.5px solid var(--line);border-radius:999px;font-size:.85rem;font-weight:600;color:var(--ink-2)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.lib-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card);transition:.15s}
.lib-card:hover{box-shadow:var(--shadow)}
.lib-cover{position:relative;display:block;aspect-ratio:16/9}
.lib-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:.15s;background:rgba(0,0,0,.15)}
.lib-cover:hover .lib-play{opacity:1}
.lib-body{padding:13px 15px 16px}
.lib-title{font-weight:700;font-family:var(--fh);display:block;line-height:1.3;margin-bottom:3px}
.progress-bar{height:7px;background:var(--surface-2);border-radius:7px;overflow:hidden;margin:10px 0 8px}
.progress-bar span{display:block;height:100%;background:var(--profit);border-radius:7px}
.progress-bar.mini{width:90px;margin:0}
.lib-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table{width:100%;border-collapse:collapse;font-size:.9rem}
.data-table th{text-align:left;color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;padding:10px 12px;border-bottom:2px solid var(--line)}
.data-table td{padding:12px;border-bottom:1px solid var(--line)}
.data-table td.muted{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.settings-grid .box{display:flex;flex-direction:column;gap:14px;margin:0}
.settings-grid h3{margin:0}

/* ---------- INSTRUCTOR PAGE ---------- */
.instr-page{padding:30px 0 60px}
.instr-profile{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin-bottom:26px}
.instr-headline-lg{font-size:1.15rem;color:var(--ink-2);margin:4px 0 14px}
.instr-profile-stats{display:flex;gap:30px;flex-wrap:wrap}
.instr-profile-stats b{font-family:var(--fh);font-size:1.4rem;display:block;color:#b4690e}
.instr-profile-stats div span{font-size:.8rem;color:var(--muted)}
.instr-grid-2{margin-bottom:20px}

/* ---------- TEACH / ADMIN ---------- */
.teach{padding:26px 0 60px}
.teach-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:2px}
.kpi-ic{font-size:1.4rem}
.kpi b{font-family:var(--fh);font-size:1.5rem}
.kpi span{font-size:.82rem;color:var(--muted)}
.teach-subnav{display:flex;gap:6px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.teach-subnav a{padding:10px 14px;font-weight:600;color:var(--muted);border-bottom:2.5px solid transparent}
.teach-subnav a.on{color:var(--primary);border-color:var(--primary)}
.teach-courses{display:flex;flex-direction:column;gap:14px}
.teach-course,.admin-course{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;align-items:center;flex-wrap:wrap}
.tc-cover{width:150px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;position:relative;flex-shrink:0}
.tc-main{flex:1;min-width:200px}
.tc-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tc-stats{margin-top:6px}
.tc-actions{display:flex;gap:8px;flex-wrap:wrap}
.status-badge{padding:3px 10px;border-radius:6px;font-size:.72rem;font-weight:700;text-transform:uppercase}
.status-badge.published{background:#ecfdf5;color:#065f46}
.status-badge.pending{background:#fffbeb;color:#92610a}
.status-badge.draft{background:var(--surface-2);color:var(--ink-2)}
.status-badge.rejected{background:#fef2f2;color:#991b1b}
.tf-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:20px}
.teach-form .box{display:flex;flex-direction:column;gap:14px;margin:0}
.tf-actions{display:flex;gap:12px}
.cover-picker{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:6px}
.cover-swatch{aspect-ratio:1;border-radius:8px;cursor:pointer;border:3px solid transparent;position:relative}
.cover-swatch.on{border-color:var(--ink);box-shadow:0 0 0 2px #fff inset}
.cover-swatch input{position:absolute;opacity:0}
.curr-editor{display:flex;flex-direction:column;gap:16px;max-width:920px}
.curr-section{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden}
.curr-sec-head{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--surface);border-bottom:1px solid var(--line)}
.sec-title-input{border:1px solid transparent;background:none;font-weight:700;font-family:var(--fh);font-size:1rem;padding:6px 8px;border-radius:6px;flex:1;color:var(--ink)}
.sec-title-input:hover{border-color:var(--line)}.sec-title-input:focus{background:#fff;border-color:var(--primary);outline:none}
.inline-form{flex:1;display:flex}
.curr-lessons{padding:8px 14px 14px}
.curr-lesson{display:flex;align-items:center;gap:8px;padding:6px 0}
.curr-lesson-edit{display:flex;align-items:center;gap:8px;flex:1;flex-wrap:wrap}
.cl-ic{color:var(--muted)}
.cl-title{flex:2;min-width:140px;padding:7px 10px;border:1.5px solid var(--line);border-radius:7px;font-family:inherit}
.cl-url{flex:2;min-width:130px;padding:7px 10px;border:1.5px solid var(--line);border-radius:7px;font-size:.8rem;font-family:inherit;color:var(--muted)}
.cl-dur{width:64px;padding:7px 8px;border:1.5px solid var(--line);border-radius:7px;font-family:inherit;text-align:center}
.cl-prev{display:flex;align-items:center;gap:5px;font-size:.8rem;color:var(--ink-2);white-space:nowrap}
.cl-prev input{width:auto}
.curr-add-lesson{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 0 2px;border-top:1px dashed var(--line);margin-top:6px}
.curr-add-lesson input{padding:7px 10px;border:1.5px solid var(--line);border-radius:7px;font-family:inherit}
.curr-add-lesson input[name=title]{flex:2;min-width:150px}.curr-add-lesson input[name=video_url]{flex:1;min-width:120px}
.curr-add-section{display:flex;gap:10px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);padding:14px}
.curr-add-section input{flex:1}
.curr-head-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.profile-edit,.settings-grid{align-items:start}
.profile-edit{display:grid;grid-template-columns:230px 1fr;gap:22px}
.profile-preview{text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;margin:0}
.profile-edit form{display:flex;flex-direction:column;gap:14px;margin:0}
.admin-course{align-items:flex-start}

.teach-hero{background:linear-gradient(150deg,#101430,#2a1c56);color:#fff;padding:50px 0;text-align:center;margin-bottom:40px}
.teach-hero h1{color:#fff}.teach-hero-sub{color:#c4c7e6;max-width:600px;margin:8px auto 24px;font-size:1.1rem}
.teach-hero form,.teach-hero a{margin:0 6px}
.benefits{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:50px}
.benefit{text-align:center;padding:24px}
.benefit-ic{font-size:2.4rem}.benefit h3{margin:12px 0 6px}

/* ---------- FOOTER ---------- */
.footer{background:#0f1226;color:#c4c7e6;margin-top:60px;padding:44px 0 0}
.footer-inner{max-width:var(--max);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.footer-brand p{font-size:.88rem;color:#9497bd;max-width:340px;margin-top:10px}
.footer .brand{color:#fff}
.footer-col h4{color:#fff;font-size:.92rem;margin-bottom:12px}
.footer-col a{display:block;color:#9497bd;font-size:.88rem;padding:4px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:var(--max);margin:32px auto 0;padding:18px 20px;border-top:1px solid #23264a;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.8rem;color:#8184a8}

/* ---------- Legal & Contact ---------- */
.page-narrow{max-width:900px;padding:30px 20px 60px}
.page-hd{margin-bottom:22px}
.page-hd h1{margin-bottom:6px}
.legal-toc{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.legal-toc a{padding:7px 13px;background:var(--surface);border:1px solid var(--line);border-radius:999px;font-size:.84rem;font-weight:600;color:var(--ink-2)}
.legal-toc a:hover{border-color:var(--primary);color:var(--primary)}
.legal-sec{scroll-margin-top:calc(var(--nav-h) + 16px)}
.legal-sec h2{font-size:1.25rem}
.legal-sec .prose ul{padding-left:20px}.legal-sec .prose li{margin-bottom:8px}
.legal-sec .prose h3{font-size:1rem;margin:18px 0 6px;color:var(--ink)}
.legal-sec .prose h3:first-child{margin-top:8px}
.legal-sec .prose a{color:var(--primary);text-decoration:underline}
.risk-box{background:#fff7ed;border:1px solid #fed7aa;border-left:4px solid var(--gold);border-radius:10px;padding:14px 16px;color:#7c3d0a}
.contact-layout{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.contact-form{display:flex;flex-direction:column;gap:16px;margin:0}
.contact-aside{margin:0}
.contact-aside h3{margin-bottom:8px}
.contact-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:10px;font-size:.9rem}
.contact-list a{color:var(--primary)}
@media(max-width:760px){.contact-layout{grid-template-columns:1fr}}

/* ============================================================
   PLAYER (learn.php)
   ============================================================ */
.learn{background:#0d0f1e;min-height:calc(100vh - var(--nav-h));color:#e8eaf6;display:flex;flex-direction:column}
.learn-topbar{display:flex;align-items:center;gap:16px;padding:10px 18px;background:#141628;border-bottom:1px solid #23263f}
.learn-back{color:#b9bce0;font-weight:600;font-size:.9rem;white-space:nowrap}
.learn-course-title{font-weight:700;font-family:var(--fh);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.learn-progress{display:flex;align-items:center;gap:8px;color:#b9bce0}
.learn-toc-btn{display:none;background:#23263f;border:none;color:#e8eaf6;padding:8px 12px;border-radius:8px;font-weight:600}
.learn-body{display:grid;grid-template-columns:1fr 340px;flex:1;min-height:0}
.learn-main{min-width:0;background:#0d0f1e}
.player{position:relative;background:#000;aspect-ratio:16/9;max-height:calc(100vh - var(--nav-h) - 120px);margin:0 auto;width:100%}
.player video{width:100%;height:100%;display:block;background:#000;object-fit:contain}
.player-center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.pc-play{pointer-events:auto;background:rgba(79,70,229,.9);border:none;width:76px;height:76px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.15s}
.pc-play:hover{transform:scale(1.06)}
.player.playing .player-center{opacity:0}
.player-ctrl{position:absolute;left:0;right:0;bottom:0;padding:6px 12px 10px;background:linear-gradient(transparent,rgba(0,0,0,.8));opacity:0;transition:.2s;transform:translateY(4px)}
.player:hover .player-ctrl,.player.paused .player-ctrl,.player.show-ctrl .player-ctrl{opacity:1;transform:none}
.pc-seek{position:relative;margin-bottom:4px}
.pc-seek input{width:100%;-webkit-appearance:none;height:5px;border-radius:5px;background:rgba(255,255,255,.28);cursor:pointer;position:relative;z-index:2;margin:0}
.pc-seek input::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--primary)}
.pc-seek input::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:var(--primary)}
.pc-buffer{position:absolute;top:50%;left:0;height:5px;transform:translateY(-50%);background:rgba(255,255,255,.2);border-radius:5px;z-index:1;pointer-events:none}
.pc-row{display:flex;align-items:center;gap:8px;color:#fff}
.pc-btn{background:none;border:none;color:#fff;padding:6px;border-radius:6px;display:inline-flex;align-items:center;gap:5px;font-size:.82rem;font-weight:600}
.pc-btn:hover{background:rgba(255,255,255,.15)}
.pc-btn:disabled{opacity:.4}
.pc-vol{display:flex;align-items:center;gap:4px}
.pc-vol input{width:70px;-webkit-appearance:none;height:4px;border-radius:4px;background:rgba(255,255,255,.3)}
.pc-vol input::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:#fff}
.pc-time{font-size:.8rem;color:#dfe1f5;font-variant-numeric:tabular-nums}
.pc-spacer{flex:1}
.pc-autoplay{display:flex;align-items:center;gap:5px;font-size:.8rem;cursor:pointer}
.pc-autoplay input{width:auto}
.pc-menu{position:relative}
.pc-pop{position:absolute;bottom:120%;right:0;background:#1b1e33;border:1px solid #2c2f4d;border-radius:9px;padding:5px;display:none;flex-direction:column;min-width:96px;z-index:5}
.pc-pop.on{display:flex}
.pc-pop a{padding:7px 12px;border-radius:6px;font-size:.85rem;color:#dfe1f5;cursor:pointer}
.pc-pop a:hover{background:#2c2f4d}.pc-pop a.on{color:#fff;background:var(--primary)}
.learn-info{padding:20px 24px;max-width:900px}
.learn-info h1{font-size:1.4rem;color:#fff}
.learn-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.learn-actions .btn-outline{background:transparent;color:#fff;border-color:#3a3d5c}
.learn-actions .btn-outline:hover{background:#fff;color:var(--ink)}
.learn-actions .btn-ghost{color:#b9bce0;border-color:#3a3d5c}
#completeBtn .ci-done{display:none}
#completeBtn.done{background:var(--profit);color:#fff;border-color:var(--profit)}
#completeBtn.done .ci-do{display:none}#completeBtn.done .ci-done{display:inline}
.learn-toc{background:#141628;border-left:1px solid #23263f;overflow-y:auto;max-height:calc(100vh - var(--nav-h) - 46px)}
.toc-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid #23263f;position:sticky;top:0;background:#141628}
.toc-close{display:none;background:none;border:none;color:#e8eaf6;font-size:1.2rem}
.toc-sec-title{padding:12px 16px 6px;font-weight:700;font-size:.85rem;color:#9da0c8;font-family:var(--fh)}
.toc-lesson{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:.86rem;color:#c4c7e6;border-left:3px solid transparent}
.toc-lesson:hover{background:#1b1e33}
.toc-lesson.on{background:#1b1e33;border-color:var(--primary);color:#fff}
.toc-lesson.done .toc-check{color:var(--profit)}
.toc-check{width:18px;display:inline-flex;justify-content:center;color:#5a5d80}
.toc-lesson-title{flex:1}
.toc-dur{font-size:.78rem;color:#7a7da0}

/* ============================================================
   SMART / IA — positionnement "smart-formations"
   ============================================================ */
.smart-sec{background:linear-gradient(180deg,#f5f3ff,#f8fafc);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:52px 0}
.smart-head{text-align:center;max-width:720px;margin:0 auto 34px}
.smart-kicker{display:inline-block;background:var(--primary-l);color:var(--primary-d);font-weight:700;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.smart-head h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.smart-sub{color:var(--muted);font-size:1.05rem}
.smart-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.smart-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative;transition:.16s}
.smart-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.smart-ic{font-size:1.9rem;display:block;margin-bottom:8px}
.smart-card h3{font-size:1rem;margin-bottom:5px}
.smart-card p{font-size:.86rem;color:var(--muted);margin:0}
.smart-card.hot{background:linear-gradient(160deg,#1b1440,#3a1f6e);border-color:transparent;color:#fff}
.smart-card.hot h3{color:#fff}.smart-card.hot p{color:#c9cae8}
.smart-live{position:absolute;top:14px;right:14px;font-size:.68rem;font-weight:700;color:#6ee7b7;text-transform:uppercase;letter-spacing:.05em}
.smart-cta{text-align:center;margin-top:30px}
.smart-hero-badge{display:inline-flex;align-items:center;gap:6px;margin-top:6px;background:rgba(212,254,117,0.14);color:#e8ffb0;border:1px solid rgba(212,254,117,0.3);font-weight:700;font-size:.82rem;padding:5px 12px;border-radius:999px}
/* chip IA sur les cartes */
.card-smart{position:absolute;top:10px;left:10px;z-index:2;background:rgba(15,17,32,.55);backdrop-filter:blur(4px);color:#fff;font-size:.66rem;font-weight:800;letter-spacing:.03em;padding:3px 8px;border-radius:6px;border:1px solid rgba(255,255,255,.2)}
/* bloc IA sur la fiche formation */
.smart-course{background:linear-gradient(160deg,#12152e,#241a4d);border:none;color:#fff}
.smart-course h2{color:#fff;font-size:1.25rem;margin:0}
.smart-course .muted{color:#c1c3e6!important}
.smart-course-head{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.smart-badge-lg{flex-shrink:0;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#a855f7);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;color:#fff}
.smart-course-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.smart-course-item{display:flex;gap:11px;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px 14px}
.smart-course-item span{font-size:1.3rem}
.smart-course-item b{display:block;font-size:.92rem}
.smart-course-item em{font-style:normal;font-size:.82rem;color:#b6b8dd}

/* ============================================================
   ASSISTANT IA — dock du lecteur (thème sombre)
   ============================================================ */
.ai-dock{margin:14px 24px 30px;background:#141628;border:1px solid #262a45;border-radius:16px;overflow:hidden}
.ai-dock-head{padding:16px 18px 10px;background:linear-gradient(120deg,#1a1440,#141628)}
.ai-title{display:flex;align-items:center;gap:9px;font-family:var(--fh);font-size:1.05rem;color:#fff}
.ai-orb{width:18px;height:18px;border-radius:50%;background:conic-gradient(from 0deg,#6d28d9,#0ea5e9,#10b981,#6d28d9);box-shadow:0 0 14px rgba(124,58,237,.7);animation:ai-spin 4s linear infinite}
@keyframes ai-spin{to{transform:rotate(360deg)}}
.ai-badge{background:linear-gradient(135deg,#6d28d9,#a855f7);color:#fff;font-size:.62rem;font-weight:800;padding:2px 7px;border-radius:5px;letter-spacing:.05em}
.ai-sub{color:#a6a9d0;font-size:.85rem;margin:6px 0 0}
.ai-actions{display:flex;flex-wrap:wrap;gap:7px;padding:12px 18px}
.ai-chip{background:#20233c;border:1px solid #2f3350;color:#dfe1f5;border-radius:999px;padding:7px 13px;font-size:.82rem;font-weight:600;transition:.14s}
.ai-chip:hover:not(:disabled){background:#2b2f52;border-color:var(--primary)}
.ai-chip:disabled{opacity:.5;cursor:default}
.ai-thread{max-height:440px;overflow-y:auto;padding:6px 18px 12px;display:flex;flex-direction:column;gap:14px}
.ai-hint{color:#8f92bb;font-size:.88rem;background:#1a1d33;border:1px dashed #2f3350;border-radius:12px;padding:14px}
.ai-msg{display:flex;gap:10px;max-width:100%}
.ai-user{justify-content:flex-end}
.ai-user .ai-b{background:var(--primary);color:#fff;border-radius:14px 14px 4px 14px;padding:10px 14px;max-width:80%}
.ai-ava{flex-shrink:0;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#6d28d9,#0ea5e9);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.9rem}
.ai-assistant .ai-b{background:#1e2138;border:1px solid #2b2f4d;border-radius:4px 14px 14px 14px;padding:12px 15px;color:#e6e8fb;max-width:85%;line-height:1.6}
.ai-b p{margin:0 0 8px}.ai-b p:last-child{margin:0}
.ai-b h4{color:#fff;font-size:.95rem;margin:10px 0 5px}
.ai-b ul,.ai-b ol{margin:6px 0;padding-left:20px}.ai-b li{margin-bottom:4px}
.ai-b code{background:#2b2f4d;color:#c4b5fd;padding:1px 6px;border-radius:5px;font-size:.85em}
.ai-b strong{color:#fff}
.ai-dots{display:inline-flex;gap:3px}.ai-dots i{width:6px;height:6px;border-radius:50%;background:#8f92bb;animation:ai-blink 1.2s infinite}
.ai-dots i:nth-child(2){animation-delay:.2s}.ai-dots i:nth-child(3){animation-delay:.4s}
@keyframes ai-blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.ai-input{display:flex;gap:8px;padding:12px 18px;border-top:1px solid #262a45;background:#171a30}
.ai-input input{flex:1;background:#20233c;border:1px solid #2f3350;color:#fff;border-radius:999px;padding:11px 16px;font-family:inherit;font-size:.92rem}
.ai-input input:focus{outline:none;border-color:var(--primary)}
.ai-send{background:var(--primary);border:none;color:#fff;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ai-send:hover{background:var(--primary-d)}
.ai-legal{color:#71749b;font-size:.72rem;padding:0 18px 14px;margin:0}
/* Quiz interactif */
.ai-quiz{display:flex;flex-direction:column;gap:14px}
.ai-quiz-q.done .ai-quiz-opt{cursor:default}
.ai-quiz-title{font-weight:600;margin-bottom:8px;color:#fff}
.ai-quiz-opts{display:flex;flex-direction:column;gap:6px}
.ai-quiz-opt{text-align:left;background:#20233c;border:1px solid #2f3350;color:#dfe1f5;border-radius:9px;padding:9px 13px;font-size:.88rem;transition:.12s}
.ai-quiz-opt:hover:not(:disabled){border-color:var(--primary)}
.ai-quiz-opt.ok{background:rgba(16,185,129,.16);border-color:#10b981;color:#6ee7b7}
.ai-quiz-opt.ko{background:rgba(239,68,68,.16);border-color:#ef4444;color:#fca5a5}
.ai-quiz-exp{margin-top:8px;font-size:.84rem;color:#b6b8dd;background:#1a1d33;border-radius:8px;padding:9px 12px}
/* Flashcards */
.ai-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ai-card{perspective:900px;background:none;border:none;padding:0;height:110px;text-align:center}
.ai-card-inner{position:relative;display:block;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}
.ai-card.flip .ai-card-inner{transform:rotateY(180deg)}
.ai-card-face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:12px;border-radius:12px;backface-visibility:hidden;font-size:.85rem;border:1px solid #2f3350}
.ai-card-q{background:#20233c;color:#fff}
.ai-card-a{background:linear-gradient(160deg,#1b1440,#2f1f5e);color:#e8ffb0;transform:rotateY(180deg)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .hide-md{display:none}
}
@media (max-width:920px){
  .course-layout{grid-template-columns:1fr}
  .buy-card-wrap{position:static;order:-1;margin-bottom:20px}
  .buy-card{max-width:420px}
  .tf-grid,.settings-grid,.profile-edit{grid-template-columns:1fr}
  .cart-layout,.checkout-layout{grid-template-columns:1fr}
  .learn-body{grid-template-columns:1fr}
  .learn-toc{position:fixed;top:var(--nav-h);right:0;width:min(340px,86vw);height:calc(100vh - var(--nav-h));transform:translateX(100%);transition:.25s;z-index:60;box-shadow:var(--shadow-lg)}
  body.toc-open .learn-toc{transform:none}
  .learn-toc-btn{display:block}
  .toc-close{display:block}
  .learn-topbar .learn-progress{display:none}
  .player{max-height:56vh}
}
@media (max-width:760px){
  .nav-cats,.nav-search{display:none}
  .nav-burger{display:flex}
  .hide-sm{display:none}
  .nav-inner{gap:8px}
  .nav-links{margin-left:auto}
  .filter-toggle{display:inline-flex}
  .catalog-body{grid-template-columns:1fr}
  .filters{position:fixed;top:0;left:0;bottom:0;width:min(320px,88vw);background:#fff;z-index:120;transform:translateX(-100%);transition:.25s;overflow-y:auto;padding:18px;box-shadow:var(--shadow-lg)}
  body.filters-open .filters{transform:none}
  body.filters-open .filters-scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:110}
  .filters-close{display:block;margin-left:auto}
  .check-list{grid-template-columns:1fr}
  .cart-thumb,.tc-cover{width:110px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .reviews-summary{flex-direction:column;align-items:flex-start;gap:12px}
  .cart-item{flex-wrap:wrap}
  .instr-profile{gap:16px}
  /* Mobile drawer for burger nav */
  body.menu-open .nav-scrim{display:block;position:fixed;inset:var(--nav-h) 0 0;background:rgba(0,0,0,.4);z-index:90}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero{padding:44px 0 50px}
  .hero-search{flex-direction:column;background:none;box-shadow:none;padding:0;gap:10px}
  .hero-search input{background:#fff;border-radius:12px;padding:14px 18px;width:100%}
  .hero-search button{width:100%;border-radius:12px;padding:14px}
  .hero-stats{gap:10px}.hero-stats b{font-size:1.2rem}
  .hero-stats div{flex:1;min-width:64px}
  .grid-cards,.lib-grid{grid-template-columns:1fr 1fr;gap:12px}
  .card-title{font-size:.88rem;-webkit-line-clamp:2}
  .cover-icon{font-size:1.8rem}
  .footer-inner{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .tc-actions{width:100%}
  .done-actions{flex-direction:column}
  .row-scroll{grid-auto-columns:78%}
  .cart-item-right{flex-direction:row;width:100%;justify-content:space-between;align-items:center}
  .instr-profile-stats{gap:18px}
}
@media (max-width:380px){
  .grid-cards,.lib-grid{grid-template-columns:1fr}
}

/* --- Smart / IA responsive --- */
@media(max-width:920px){
  .smart-grid{grid-template-columns:repeat(2,1fr)}
  .smart-course-grid{grid-template-columns:1fr}
  .ai-dock{margin:12px 0 20px}
}
@media(max-width:520px){
  .smart-grid{grid-template-columns:1fr 1fr;gap:10px}
  .smart-card{padding:15px}
  .smart-ic{font-size:1.5rem}
  .smart-card h3{font-size:.9rem}
  .smart-card p{font-size:.8rem}
  .ai-cards{grid-template-columns:1fr}
  .ai-actions{padding:10px 12px}
  .ai-thread{padding:6px 12px 10px}
  .ai-dock-head,.ai-input{padding-left:12px;padding-right:12px}
  .smart-course-head{flex-direction:column;text-align:center;align-items:center}
}