/* Excelerate Academy — same look as the AI Marketing Team page: dark, gold, Inter, accent cards. */
:root{
  --bg:#06070C; --surface:#10131D; --surface-2:#161A26; --surface-3:#1D2232;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --text:#F2F4F8; --muted:#98A0B4; --dim:#6B7386;
  --gold:#E4A11B; --gold-2:#FFC35A; --green:#4ADE80; --red:#F87171;
  --radius:20px; --ease:cubic-bezier(.2,.7,.3,1);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0; background:var(--bg); color:var(--text)}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif; font-size:16px; line-height:1.5;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; min-height:100vh}
a{color:inherit; text-decoration:none}
button,input,select,textarea{font:inherit; color:inherit}
img{max-width:100%; display:block}
h1,h2,h3,p{margin:0}
[hidden]{display:none !important}

/* ---------- ambient background ---------- */
.bg{position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; background-color:var(--bg);
  background-image:radial-gradient(58% 42% at 12% -6%, rgba(228,161,27,.20), rgba(228,161,27,0) 62%),
    radial-gradient(52% 40% at 88% 4%, rgba(87,82,233,.22), rgba(87,82,233,0) 62%),
    radial-gradient(70% 52% at 50% 108%, rgba(148,76,239,.12), rgba(148,76,239,0) 64%)}
.orb{position:absolute; border-radius:50%; opacity:.8}
.orb-a{width:60vw; height:60vw; top:-24vw; left:-14vw; background:radial-gradient(circle closest-side, rgba(228,161,27,.26), rgba(228,161,27,.08) 48%, rgba(228,161,27,0) 72%); animation:driftA 28s ease-in-out infinite alternate}
.orb-b{width:52vw; height:52vw; top:0; right:-16vw; background:radial-gradient(circle closest-side, rgba(87,82,233,.26), rgba(87,82,233,.08) 48%, rgba(87,82,233,0) 72%); animation:driftB 34s ease-in-out infinite alternate}
.lines{position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px; -webkit-mask-image:radial-gradient(ellipse 78% 52% at 50% 0%, #000 32%, transparent 78%); mask-image:radial-gradient(ellipse 78% 52% at 50% 0%, #000 32%, transparent 78%)}
@keyframes driftA{to{transform:translate3d(5vw,4vw,0) scale(1.16)}}
@keyframes driftB{from{transform:scale(1.1)} to{transform:translate3d(-4vw,6vw,0) scale(1)}}
@media (prefers-reduced-motion:reduce){.orb{animation:none} *{transition-duration:.01ms !important; animation-duration:.01ms !important}}

#app{position:relative; z-index:1; min-height:100vh}
.boot{min-height:100vh; display:grid; place-items:center}
.spinner{width:28px; height:28px; border-radius:50%; border:3px solid var(--line-2); border-top-color:var(--gold); animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.wrap{max-width:1280px; margin:0 auto; padding:0 24px}
@media (max-width:640px){.wrap{padding:0 16px}}

/* ---------- top bar ---------- */
.topbar{position:sticky; top:0; z-index:30; background:linear-gradient(180deg,rgba(6,7,12,.92) 70%,rgba(6,7,12,.6));
  -webkit-backdrop-filter:blur(16px); backdrop-filter:blur(16px); border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex; align-items:center; gap:18px; height:64px}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.01em; white-space:nowrap}
.brand img{width:26px; height:26px}
.brand small{display:block; font-size:10px; font-weight:700; letter-spacing:.2em; color:var(--gold); text-transform:uppercase; line-height:1}
.brand span{line-height:1.1}
.nav{display:flex; gap:4px; margin-left:12px}
.nav a{padding:8px 14px; border-radius:10px; font-size:.9rem; font-weight:600; color:var(--muted); transition:color .2s, background .2s}
.nav a:hover{color:var(--text); background:rgba(255,255,255,.05)}
.nav a.on{color:var(--text); background:rgba(255,255,255,.08)}
.spacer{flex:1}
.me{position:relative}
.me-btn{display:flex; align-items:center; gap:10px; padding:5px 12px 5px 5px; border-radius:999px; border:1px solid var(--line); background:rgba(255,255,255,.03); cursor:pointer}
.me-btn:hover{border-color:var(--line-2)}
.avatar{width:30px; height:30px; border-radius:50%; display:grid; place-items:center; font-size:12px; font-weight:800; color:#0B0906;
  background:linear-gradient(180deg,var(--gold-2),var(--gold)); flex:none}
.me-name{font-size:.86rem; font-weight:600; max-width:140px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.menu{position:absolute; right:0; top:calc(100% + 8px); min-width:200px; padding:6px; border-radius:14px; background:var(--surface-2); border:1px solid var(--line-2);
  box-shadow:0 20px 50px -20px rgba(0,0,0,.9)}
.menu a,.menu button{display:block; width:100%; text-align:left; padding:10px 12px; border-radius:9px; font-size:.9rem; font-weight:500; background:none; border:0; cursor:pointer; color:var(--text)}
.menu a:hover,.menu button:hover{background:rgba(255,255,255,.06)}
.menu .sep{height:1px; background:var(--line); margin:6px 4px}
.menu .who{padding:8px 12px 10px; font-size:.78rem; color:var(--dim); overflow:hidden; text-overflow:ellipsis}
@media (max-width:640px){.me-name{display:none} .me-btn{padding:4px} .nav{margin-left:0} .nav a{padding:8px 10px} .brand span{display:none}}

/* ---------- headings ---------- */
.hero{padding:56px 0 30px}
.eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:11.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--gold-2)}
.h1{font-size:clamp(2rem,5vw,3.4rem); font-weight:900; letter-spacing:-.035em; line-height:1.05; margin-top:12px}
.g{background-image:linear-gradient(96deg,var(--gold-2),var(--gold) 55%,#FFE1A3); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:var(--gold)}
.sub{margin-top:14px; max-width:640px; font-size:1.04rem; line-height:1.65; color:var(--muted)}
.h2{font-size:1.25rem; font-weight:800; letter-spacing:-.02em}
.section{margin-top:42px}
.section-head{display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin-bottom:18px}
.section-head .count{font-size:.8rem; color:var(--dim); font-weight:600}
.back{display:inline-flex; align-items:center; gap:8px; font-size:.86rem; font-weight:600; color:var(--muted)}
.back:hover{color:var(--text)}

/* ---------- buttons + forms ---------- */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:9px; padding:12px 22px; border-radius:12px; border:0; cursor:pointer;
  font-size:.92rem; font-weight:700; line-height:1.2; color:#0B0906; background-image:linear-gradient(180deg,var(--gold-2),var(--gold));
  box-shadow:0 12px 30px -14px rgba(228,161,27,.85); transition:transform .25s var(--ease), box-shadow .25s var(--ease), opacity .2s; white-space:nowrap}
.btn:hover{transform:translateY(-2px); box-shadow:0 16px 34px -14px rgba(228,161,27,.95)}
.btn:disabled{opacity:.55; cursor:default; transform:none}
.btn.ghost{color:var(--text); background:rgba(255,255,255,.04); border:1px solid var(--line-2); box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.09); border-color:rgba(255,255,255,.3)}
.btn.danger{color:#fff; background:rgba(248,113,113,.14); border:1px solid rgba(248,113,113,.45); box-shadow:none}
.btn.danger:hover{background:rgba(248,113,113,.24)}
.btn.sm{padding:8px 13px; font-size:.82rem; border-radius:10px}
.btn.block{width:100%}
.btn svg{width:15px; height:15px}
.icon-btn{display:inline-grid; place-items:center; width:32px; height:32px; border-radius:9px; border:1px solid var(--line); background:rgba(255,255,255,.03); cursor:pointer; color:var(--muted)}
.icon-btn:hover{color:var(--text); border-color:var(--line-2)}
.icon-btn:disabled{opacity:.35; cursor:default}
.icon-btn svg{width:15px; height:15px}

label.f{display:block; margin-bottom:14px}
label.f > span{display:block; font-size:.8rem; font-weight:600; color:var(--muted); margin-bottom:6px}
label.f > small{display:block; font-size:.76rem; color:var(--dim); margin-top:5px}
.in{width:100%; padding:12px 14px; font-size:.94rem; background:var(--surface); border:1px solid var(--line); border-radius:12px; outline:0;
  transition:border-color .2s, box-shadow .2s, background .2s; -webkit-appearance:none; appearance:none}
.in::placeholder{color:var(--dim)}
.in:focus{background:var(--surface-2); border-color:rgba(228,161,27,.55); box-shadow:0 0 0 4px rgba(228,161,27,.10)}
select.in{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2398A0B4' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 14px center; padding-right:36px}
textarea.in{min-height:110px; resize:vertical; line-height:1.55}
.in[readonly]{color:var(--muted)}
.row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
@media (max-width:640px){.row{grid-template-columns:1fr}}
.check{display:flex; align-items:center; gap:10px; padding:10px 12px; border:1px solid var(--line); border-radius:12px; cursor:pointer; font-size:.9rem; margin-bottom:8px; background:rgba(255,255,255,.02)}
.check input{width:17px; height:17px; accent-color:var(--gold)}
.err{color:var(--red); font-size:.86rem; min-height:1.2em; margin:4px 0 10px}
.hint{font-size:.82rem; color:var(--dim)}
.inline{display:flex; gap:8px; align-items:center; flex-wrap:wrap}

/* ---------- auth pages ---------- */
.auth{min-height:100vh; display:grid; place-items:center; padding:32px 16px}
.auth-card{width:100%; max-width:420px; padding:34px 30px 28px; border-radius:24px; border:1px solid var(--line-2);
  background-image:linear-gradient(180deg,rgba(22,26,38,.92),rgba(16,19,29,.92)); box-shadow:0 30px 80px -30px rgba(0,0,0,.9)}
.auth-card .logo{width:52px; height:52px; margin:0 auto 18px}
.auth-card h1{text-align:center; font-size:1.6rem; font-weight:900; letter-spacing:-.03em}
.auth-card p.lead{text-align:center; color:var(--muted); font-size:.92rem; margin:8px 0 24px}
.auth-foot{text-align:center; font-size:.8rem; color:var(--dim); margin-top:18px; line-height:1.6}
.pw-wrap{position:relative}
.pw-wrap .in{padding-right:64px}
.pw-toggle{position:absolute; right:8px; top:50%; transform:translateY(-50%); background:none; border:0; color:var(--muted); font-size:.78rem; font-weight:700; cursor:pointer; padding:6px 8px}

/* ---------- product cards (home) ---------- */
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(272px,1fr)); gap:20px}
.pcard{position:relative; display:flex; flex-direction:column; border-radius:var(--radius); overflow:hidden; isolation:isolate;
  background-image:linear-gradient(180deg,var(--surface-2),var(--surface)); border:1px solid var(--line);
  transition:transform .45s var(--ease), border-color .35s var(--ease), box-shadow .45s var(--ease)}
.pcard:hover{transform:translateY(-7px); border-color:rgba(var(--a-rgb),.32); box-shadow:0 26px 50px -22px rgba(0,0,0,.85), 0 18px 60px -28px rgba(var(--a-rgb),.7)}
.pcard .cover{position:relative; aspect-ratio:16/9; background:#0C0E15; overflow:hidden}
.pcard .cover img{width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease)}
.pcard:hover .cover img{transform:scale(1.06)}
.pcard .cover .ph{position:absolute; inset:0; display:grid; place-items:center; font-size:2.6rem; font-weight:900; letter-spacing:-.04em; color:rgba(255,255,255,.9);
  background:radial-gradient(120% 120% at 0% 0%, rgba(var(--a-rgb),.55), rgba(var(--a-rgb),.08) 60%), linear-gradient(135deg,#141826,#0B0D14)}
.pcard .lock{position:absolute; inset:0; display:grid; place-items:center; background:rgba(6,7,12,.55); -webkit-backdrop-filter:blur(2px); backdrop-filter:blur(2px)}
.pcard .lock span{display:inline-flex; align-items:center; gap:8px; padding:8px 14px; border-radius:999px; font-size:.8rem; font-weight:700; background:rgba(10,12,18,.8); border:1px solid var(--line-2)}
.pcard .body{padding:16px 18px 18px; display:flex; flex-direction:column; gap:6px; flex:1}
.pcard .kind{font-size:10.5px; font-weight:700; letter-spacing:.15em; text-transform:uppercase; color:var(--a)}
.pcard .title{font-size:1.1rem; font-weight:800; letter-spacing:-.02em; line-height:1.25}
.pcard .tag{font-size:.86rem; color:var(--muted); line-height:1.55}
.pcard .foot{margin-top:auto; padding-top:12px; display:flex; align-items:center; gap:10px; font-size:.78rem; color:var(--dim); font-weight:600}
.bar{flex:1; height:6px; border-radius:99px; background:rgba(255,255,255,.07); overflow:hidden}
.bar i{display:block; height:100%; border-radius:99px; background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.pill{display:inline-flex; align-items:center; gap:6px; padding:4px 9px; border-radius:999px; font-size:10.5px; font-weight:800; letter-spacing:.08em; text-transform:uppercase;
  background:rgba(255,255,255,.06); border:1px solid var(--line-2); color:var(--muted)}
.pill.gold{color:#0B0906; background:linear-gradient(180deg,#FFE9B8,var(--gold)); border:0}
.pill.green{color:var(--green); border-color:rgba(74,222,128,.35); background:rgba(74,222,128,.08)}
.pill.red{color:var(--red); border-color:rgba(248,113,113,.35); background:rgba(248,113,113,.08)}
.pcard .pill.draft{position:absolute; top:12px; left:12px; z-index:2}

/* continue watching */
.resume{display:flex; align-items:center; gap:18px; padding:16px 18px; margin-top:28px; border-radius:18px; border:1px solid rgba(228,161,27,.3);
  background:linear-gradient(100deg,rgba(228,161,27,.12),rgba(228,161,27,.02) 70%); transition:transform .3s var(--ease), border-color .3s}
.resume:hover{transform:translateY(-2px); border-color:rgba(228,161,27,.6)}
.resume .play{width:46px; height:46px; border-radius:50%; display:grid; place-items:center; flex:none; color:#0B0906; background:linear-gradient(180deg,var(--gold-2),var(--gold))}
.resume .play svg{width:16px; height:16px; margin-left:2px}
.resume b{display:block; font-size:1rem}
.resume small{color:var(--muted); font-size:.82rem}

/* ---------- item cards (cards layout, AI tools look) ---------- */
.toolbar{position:sticky; top:64px; z-index:20; margin:0 0 28px; padding:14px 0 12px; background:linear-gradient(180deg,rgba(6,7,12,.95) 62%,rgba(6,7,12,0));
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px)}
.search{position:relative; max-width:520px; margin:0 auto 14px}
.search svg{position:absolute; left:16px; top:50%; margin-top:-8px; width:16px; height:16px; color:var(--dim); pointer-events:none}
.search .in{padding-left:44px; border-radius:14px}
.chips{display:flex; flex-wrap:wrap; gap:8px; justify-content:center}
.chip{font-size:12.5px; font-weight:600; color:var(--muted); cursor:pointer; padding:8px 14px; border:1px solid var(--line); border-radius:999px; background:rgba(255,255,255,.03); transition:all .2s}
.chip:hover{color:var(--text); border-color:var(--line-2)}
.chip.on{color:#0B0906; border-color:transparent; background:linear-gradient(180deg,var(--gold-2),var(--gold))}
.chip .ct{margin-left:6px; opacity:.6}

.icard{position:relative; display:flex; flex-direction:column; text-align:left; cursor:pointer; padding:0; color:inherit;
  background-image:linear-gradient(180deg,var(--surface-2),var(--surface)); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; isolation:isolate;
  transition:transform .5s var(--ease), border-color .35s var(--ease), box-shadow .45s var(--ease); animation:rise .55s var(--ease) both; animation-delay:var(--d,0ms)}
@keyframes rise{from{opacity:0; transform:translateY(22px)}}
.icard::before{content:''; position:absolute; inset:-1px; z-index:3; pointer-events:none; border-radius:var(--radius); opacity:0; box-shadow:inset 0 0 0 1px rgba(var(--a-rgb),.55); transition:opacity .4s var(--ease)}
.icard:hover,.icard:focus-visible{transform:translateY(-9px); border-color:rgba(var(--a-rgb),.3); box-shadow:0 26px 50px -22px rgba(0,0,0,.85), 0 18px 60px -26px rgba(var(--a-rgb),.75)}
.icard:hover::before{opacity:1}
.icard:focus-visible{outline:2px solid var(--a); outline-offset:3px}
.shine{position:absolute; inset:0; z-index:4; pointer-events:none; opacity:0; background-image:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.13) 48%,transparent 60%); transform:translateX(-120%)}
.icard:hover .shine{opacity:1; animation:sweep .85s var(--ease) forwards}
@keyframes sweep{to{transform:translateX(120%)}}
.icard .thumb{position:relative; aspect-ratio:5/4; background:#0C0E15; overflow:hidden}
.icard .thumb.wide{aspect-ratio:16/9}
.icard .thumb img{width:100%; height:100%; object-fit:cover; object-position:50% 20%; transform:scale(1.01); transition:transform .75s var(--ease)}
.icard:hover .thumb img{transform:scale(1.09)}
.icard .thumb .ph{position:absolute; inset:0; display:grid; place-items:center; background:radial-gradient(120% 120% at 0% 0%, rgba(var(--a-rgb),.5), rgba(var(--a-rgb),.06) 60%), linear-gradient(135deg,#141826,#0B0D14)}
.icard .thumb .ph svg{width:44px; height:44px; color:rgba(255,255,255,.85)}
.icard .fade{position:absolute; right:0; bottom:-1px; left:0; height:46%; background-image:linear-gradient(180deg,rgba(22,26,38,0),var(--surface-2) 94%)}
.icard .badge{position:absolute; top:12px; right:12px; z-index:2; padding:5px 9px; border-radius:999px; font-size:9.5px; font-weight:800; letter-spacing:.13em; line-height:1; color:#0B0906; background-image:linear-gradient(180deg,#FFE9B8,var(--gold))}
.icard .badge.core{color:#EDF0F6; background:rgba(10,12,18,.6); border:1px solid rgba(255,255,255,.22); -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px)}
.icard .done{position:absolute; top:12px; left:12px; z-index:2}
.icard .ibody{padding:2px 20px 0; position:relative; z-index:2; flex:1}
.icard .role{display:block; margin-bottom:7px; font-size:10.5px; font-weight:700; letter-spacing:.15em; line-height:1.3; text-transform:uppercase; color:var(--a)}
.icard .name{display:block; margin-bottom:9px; font-size:1.13rem; font-weight:800; letter-spacing:-.02em; line-height:1.25}
.icard .desc{display:block; font-size:.855rem; line-height:1.58; color:var(--muted)}
.icard .cta{display:flex; align-items:center; justify-content:space-between; gap:10px; margin:18px 20px; padding-top:15px; border-top:1px solid var(--line); position:relative; z-index:2}
.icard .cta-label{font-size:.8rem; font-weight:600; color:var(--dim); transition:color .3s}
.icard:hover .cta-label{color:var(--text)}
.arrow{display:flex; align-items:center; justify-content:center; flex:none; width:31px; height:31px; border-radius:50%; color:var(--muted); border:1px solid var(--line); transition:all .4s var(--ease)}
.arrow svg{width:14px; height:14px}
.icard:hover .arrow{transform:translateX(5px); color:#0B0906; border-color:transparent; background-color:var(--a); box-shadow:0 6px 18px -6px rgba(var(--a-rgb),.9)}
.icard.locked{cursor:default}
.icard.locked:hover{transform:none}
.empty{padding:70px 20px; text-align:center; color:var(--dim)}
.empty b{display:block; margin-bottom:8px; font-size:1.1rem; color:var(--text)}

/* ---------- lessons layout ---------- */
.course{display:grid; grid-template-columns:minmax(0,1fr) 360px; gap:28px; padding:22px 0 80px; align-items:start}
@media (max-width:1000px){.course{grid-template-columns:1fr}}
.lesson-title{font-size:clamp(1.3rem,2.6vw,1.75rem); font-weight:850; font-weight:800; letter-spacing:-.025em; line-height:1.2; margin-top:20px}
.lesson-meta{display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-top:10px; color:var(--dim); font-size:.84rem}
.lesson-actions{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; padding-bottom:20px; border-bottom:1px solid var(--line)}
.notes{margin-top:20px; font-size:.97rem; line-height:1.75; color:#D4D9E4; overflow-wrap:anywhere}
.notes p{margin:0 0 14px}
.notes ul{margin:0 0 14px; padding-left:22px}
.notes a{color:var(--gold-2); text-decoration:underline; text-underline-offset:3px}
.notes h3{font-size:1.08rem; margin:22px 0 10px; color:var(--text)}
.attach{display:flex; align-items:center; gap:14px; padding:14px 16px; margin-top:12px; border-radius:14px; border:1px solid var(--line); background:var(--surface)}
.attach .ic{width:40px; height:40px; border-radius:11px; display:grid; place-items:center; flex:none; background:rgba(228,161,27,.12); color:var(--gold-2)}
.attach .ic svg{width:18px; height:18px}
.attach b{display:block; font-size:.92rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.attach small{color:var(--dim); font-size:.78rem}
.attach > div{flex:1; min-width:0}
.text-card{padding:28px; border-radius:var(--radius); border:1px solid var(--line); background:linear-gradient(180deg,var(--surface-2),var(--surface))}

.outline{position:sticky; top:84px; border-radius:var(--radius); border:1px solid var(--line); background:linear-gradient(180deg,var(--surface-2),var(--surface)); overflow:hidden}
@media (max-width:1000px){.outline{position:static}}
.outline-head{padding:18px 18px 14px; border-bottom:1px solid var(--line)}
.outline-head b{display:block; font-size:1rem; font-weight:800; letter-spacing:-.01em}
.outline-head .inline{margin-top:10px; font-size:.78rem; color:var(--dim); font-weight:600}
.outline-body{max-height:calc(100vh - 220px); overflow:auto; padding:8px}
@media (max-width:1000px){.outline-body{max-height:none}}
.mod-title{padding:12px 10px 6px; font-size:10.5px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--dim)}
.lesson{display:flex; align-items:center; gap:11px; padding:10px; border-radius:11px; font-size:.88rem; color:var(--muted); cursor:pointer; line-height:1.35}
.lesson:hover{background:rgba(255,255,255,.04); color:var(--text)}
.lesson.on{background:rgba(228,161,27,.1); color:var(--text)}
.lesson .st{width:22px; height:22px; border-radius:50%; flex:none; display:grid; place-items:center; border:1.5px solid var(--line-2); font-size:10px; color:var(--dim)}
.lesson .st svg{width:12px; height:12px}
.lesson.ok .st{background:var(--green); border-color:var(--green); color:#062010}
.lesson.on .st{border-color:var(--gold)}
.lesson .lt{flex:1; min-width:0}
.lesson .ld{font-size:.74rem; color:var(--dim); white-space:nowrap}

/* ---------- player ---------- */
.player{position:relative; aspect-ratio:16/9; overflow:hidden; background:#000; border-radius:16px; border:1px solid var(--line); user-select:none; -webkit-user-select:none}
.player:fullscreen{border-radius:0; border:0}
.player .yt, .player iframe{position:absolute; left:0; width:100%; top:-60px; height:calc(100% + 120px); pointer-events:none; border:0}
.player .shield{position:absolute; inset:0; z-index:2; cursor:pointer}
.player .cover{position:absolute; inset:0; z-index:3; display:grid; place-items:center; background:#000 center/cover no-repeat; cursor:pointer}
.player .cover::after{content:''; position:absolute; inset:0; background:radial-gradient(circle at center, rgba(0,0,0,.15), rgba(0,0,0,.6))}
.player .big{position:relative; z-index:1; width:76px; height:76px; border-radius:50%; display:grid; place-items:center; color:#0B0906; border:0; cursor:pointer;
  background:linear-gradient(180deg,var(--gold-2),var(--gold)); box-shadow:0 18px 40px -12px rgba(228,161,27,.8); transition:transform .25s var(--ease)}
.player .big:hover{transform:scale(1.07)}
.player .big svg{width:26px; height:26px; margin-left:4px}
.player .resume-note{position:absolute; z-index:1; bottom:22px; left:0; right:0; text-align:center; font-size:.82rem; font-weight:600; color:#fff; text-shadow:0 1px 6px #000}
.player .controls{position:absolute; z-index:4; left:0; right:0; bottom:0; display:flex; align-items:center; gap:10px; padding:28px 14px 12px;
  background:linear-gradient(transparent,rgba(0,0,0,.82)); opacity:0; transition:opacity .25s}
.player:hover .controls,.player.paused .controls,.player.touch .controls{opacity:1}
.player .controls button{background:none; border:0; color:#fff; cursor:pointer; padding:6px; display:grid; place-items:center; border-radius:8px}
.player .controls button:hover{background:rgba(255,255,255,.12)}
.player .controls svg{width:18px; height:18px}
.player .time{font-size:.78rem; font-variant-numeric:tabular-nums; color:#E5E7EB; white-space:nowrap}
.player .seek{flex:1; height:18px; display:flex; align-items:center; cursor:pointer; position:relative}
.player .seek .track{position:absolute; left:0; right:0; height:4px; border-radius:99px; background:rgba(255,255,255,.25)}
.player .seek .fill{position:absolute; left:0; height:4px; border-radius:99px; background:var(--gold)}
.player .seek .knob{position:absolute; width:13px; height:13px; margin-left:-6px; border-radius:50%; background:var(--gold-2); box-shadow:0 0 0 3px rgba(228,161,27,.3)}
.player .speed{background:rgba(255,255,255,.1); border:0; border-radius:8px; color:#fff; font-size:.76rem; font-weight:700; padding:5px 8px; cursor:pointer}
.player .end{position:absolute; inset:0; z-index:5; display:grid; place-items:center; text-align:center; background:radial-gradient(circle,rgba(16,19,29,.94),rgba(6,7,12,.98))}
.player .end h3{font-size:1.2rem; font-weight:800; margin:10px 0 18px}
.player .end .inline{justify-content:center}
@media (max-width:640px){.player{border-radius:12px} .player .vol,.player .time .dur-sep{display:none}}

/* ---------- admin ---------- */
.tabs{display:flex; gap:6px; flex-wrap:wrap; margin:6px 0 26px; border-bottom:1px solid var(--line)}
.tabs a{padding:11px 14px; font-size:.9rem; font-weight:600; color:var(--muted); border-bottom:2px solid transparent; margin-bottom:-1px}
.tabs a:hover{color:var(--text)}
.tabs a.on{color:var(--text); border-bottom-color:var(--gold)}
.panel{border-radius:18px; border:1px solid var(--line); background:linear-gradient(180deg,rgba(22,26,38,.85),rgba(16,19,29,.85)); padding:22px}
.panel + .panel{margin-top:18px}
.panel h3{font-size:1rem; font-weight:800; margin-bottom:14px}
.stats{display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:14px}
.stat{padding:18px; border-radius:16px; border:1px solid var(--line); background:var(--surface)}
.stat b{display:block; font-size:1.8rem; font-weight:800; letter-spacing:-.02em}
.stat span{font-size:.74rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--dim)}
.bar-row{display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:16px}
.bar-row .in{width:auto; flex:1; min-width:200px}
.table-wrap{overflow-x:auto; border-radius:14px; border:1px solid var(--line)}
table.t{width:100%; border-collapse:collapse; font-size:.87rem}
.t th{text-align:left; font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--dim); padding:11px 14px; background:rgba(255,255,255,.02); border-bottom:1px solid var(--line); white-space:nowrap}
.t td{padding:12px 14px; border-bottom:1px solid var(--line); vertical-align:middle}
.t tr:last-child td{border-bottom:0}
.t tr.click{cursor:pointer}
.t tr.click:hover td{background:rgba(255,255,255,.025)}
.t .muted{color:var(--dim)}
.t .wrap-text{max-width:340px; color:var(--muted); font-size:.82rem}
.mod-block{border:1px solid var(--line); border-radius:14px; margin-bottom:14px; overflow:hidden; background:rgba(255,255,255,.015)}
.mod-block > header{display:flex; align-items:center; gap:8px; padding:12px 14px; background:rgba(255,255,255,.03); border-bottom:1px solid var(--line)}
.mod-block > header b{flex:1; font-size:.93rem}
.it-row{display:flex; align-items:center; gap:12px; padding:10px 14px; border-bottom:1px solid var(--line)}
.it-row:last-child{border-bottom:0}
.it-row .thumbsm{width:64px; height:40px; border-radius:7px; overflow:hidden; flex:none; background:#0C0E15; display:grid; place-items:center; color:var(--dim)}
.it-row .thumbsm img{width:100%; height:100%; object-fit:cover}
.it-row .thumbsm svg{width:16px; height:16px}
.it-row .meta{flex:1; min-width:0}
.it-row .meta b{display:block; font-size:.9rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.it-row .meta small{font-size:.76rem; color:var(--dim)}
.it-row .acts{display:flex; gap:6px}
.cover-prev{width:100%; aspect-ratio:16/9; border-radius:12px; overflow:hidden; background:#0C0E15; border:1px solid var(--line); margin-bottom:10px; display:grid; place-items:center; color:var(--dim); font-size:.84rem}
.cover-prev img{width:100%; height:100%; object-fit:cover}
.split{display:grid; grid-template-columns:minmax(0,1fr) 380px; gap:20px; align-items:start}
@media (max-width:1000px){.split{grid-template-columns:1fr}}
.kind-pick{display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin-bottom:16px}
@media (max-width:520px){.kind-pick{grid-template-columns:repeat(2,1fr)}}
.kind-pick button{padding:12px 8px; border-radius:12px; border:1px solid var(--line); background:rgba(255,255,255,.03); cursor:pointer; font-size:.82rem; font-weight:700; color:var(--muted); display:flex; flex-direction:column; align-items:center; gap:6px}
.kind-pick button svg{width:18px; height:18px}
.kind-pick button.on{color:var(--text); border-color:var(--gold); background:rgba(228,161,27,.1)}
.yt-prev{display:flex; gap:12px; align-items:center; padding:10px; border-radius:12px; background:var(--surface); border:1px solid var(--line); margin:-4px 0 14px}
.yt-prev img{width:120px; aspect-ratio:16/9; object-fit:cover; border-radius:8px}
.yt-prev small{color:var(--muted); font-size:.82rem}
.secret{display:flex; align-items:center; gap:10px; padding:12px 14px; border-radius:12px; background:rgba(228,161,27,.08); border:1px dashed rgba(228,161,27,.5); font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:1.05rem; letter-spacing:.04em}
.secret span{flex:1}
.msg-box{white-space:pre-wrap; font-size:.86rem; line-height:1.6; padding:14px; border-radius:12px; background:var(--surface); border:1px solid var(--line); color:#D4D9E4}

/* ---------- modal + toast ---------- */
.modal-bg{position:fixed; inset:0; z-index:100; background:rgba(3,4,8,.72); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); display:grid; place-items:center; padding:20px; animation:fade .2s}
@keyframes fade{from{opacity:0}}
.modal{width:100%; max-width:560px; max-height:calc(100vh - 40px); overflow:auto; border-radius:22px; border:1px solid var(--line-2); background:linear-gradient(180deg,#171B28,#10131D); box-shadow:0 40px 100px -30px rgba(0,0,0,.95); animation:pop .28s var(--ease)}
.modal.wide{max-width:860px}
@keyframes pop{from{transform:translateY(14px) scale(.98); opacity:0}}
.modal-head{display:flex; align-items:center; gap:12px; padding:20px 22px 0}
.modal-head h2{flex:1; font-size:1.15rem; font-weight:800; letter-spacing:-.02em}
.modal-body{padding:18px 22px 22px}
.modal-foot{display:flex; gap:10px; justify-content:flex-end; padding:0 22px 22px; flex-wrap:wrap}
#toasts{position:fixed; z-index:200; left:50%; bottom:22px; transform:translateX(-50%); display:flex; flex-direction:column; gap:8px; align-items:center; pointer-events:none; width:calc(100% - 32px); max-width:440px}
.toast{padding:12px 18px; border-radius:12px; font-size:.88rem; font-weight:600; background:var(--surface-3); border:1px solid var(--line-2); box-shadow:0 14px 40px -12px rgba(0,0,0,.9); animation:pop .25s var(--ease)}
.toast.bad{border-color:rgba(248,113,113,.5); color:#FECACA}
.toast.good{border-color:rgba(74,222,128,.45)}

.page-foot{padding:50px 0 40px; text-align:center; font-size:.78rem; color:var(--dim)}