.nna{
  --bg:#f3f2ee; --sf:#ffffff; --sf2:#e9e8e2; --ln:#d9d8d1; --tx:#1c1c1a; --mt:#6b6b64;
  --ac:#c9861f; --ac-tx:#ffffff; --ok:#3b8c5a; --lock:#a3a39a; --bad:#c0392b;
  --r:10px; --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--tx);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh
}
.nna[data-theme="dark"]{
  --bg:#1b1b19; --sf:#242422; --sf2:#2d2d2a; --ln:#393934; --tx:#ecebe4; --mt:#9c9c93;
  --ac:#e0a33f; --ac-tx:#1b1b19; --ok:#5fb37c; --lock:#5c5c55; --bad:#e06a5c;
}
html:has(.nna[data-theme="dark"]){background:#1b1b19}
html:has(.nna[data-theme="light"]){background:#f3f2ee}
.nna *{box-sizing:border-box;margin:0;padding:0}
.nna button{font:inherit;color:inherit;cursor:pointer}
.nna .nna-nav button,.nna .nna-tabs button,.nna .nna-bnav button,.nna .nna-eye,.nna .nna-side .close,.nna .nna-alt button,.nna .nna-note button,.nna .nna-chk{background:none;border:0}
.nna .nna-btn{border:0}
.nna .nna-btn.q{border:1px solid var(--ln)}
.nna img{max-width:100%}
.nna a{color:inherit}
.nna h1,.nna h2,.nna h3{line-height:1.25}
.nna-boot{padding:40px;text-align:center;color:var(--mt)}

/* shell */
.nna-side{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:88vw;background:var(--sf);border-left:1px solid var(--ln);padding:22px 18px;display:flex;flex-direction:column;gap:22px;overflow:auto;transform:translateX(100%);z-index:1030}
.nna-side.open{transform:none}
.nna-veil{position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;z-index:1029}
.nna-veil.on{opacity:1;pointer-events:auto}
@media (prefers-reduced-motion:no-preference){.nna-side{transition:transform .22s ease}.nna-veil{transition:opacity .22s}}
.nna-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em}
.nna-brand .n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--ac);color:var(--ac-tx);font-weight:800;font-size:14px}
.nna-brand small{display:block;font-weight:500;font-size:12px;color:var(--mt)}
.nna-nav{display:flex;flex-direction:column;gap:2px}
.nna-nav button{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;text-align:left;font-weight:600;color:var(--mt);width:100%}
.nna-nav button.on{background:var(--sf2);color:var(--tx)}
.nna-nav svg{width:18px;height:18px;flex:none}
.nna-side .close{align-self:flex-end;color:var(--mt);font-size:13px;font-weight:600;margin:-8px 0 -14px}
.nna-side .user{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--mt)}
.nna-av{width:32px;height:32px;border-radius:50%;background:var(--sf2);display:grid;place-items:center;font-weight:700;color:var(--tx);font-size:12px;flex:none}

.nna-main{padding:24px 32px 90px;max-width:1040px;width:100%;margin:0 auto}
.nna-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.nna-top h1{font-size:22px;font-weight:800;letter-spacing:-.02em}
.nna-top p{color:var(--mt);font-size:14px}
.nna-tr{display:flex;gap:8px;align-items:center;flex:none}
.nna .nna-tg{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;border:1px solid var(--ln);background:var(--sf);font-size:13px;font-weight:600;color:var(--mt)}
.nna-tg svg{width:16px;height:16px}
.nna .nna-ham{width:38px;height:38px;border-radius:8px;border:1px solid var(--ln);background:var(--sf);display:grid;place-items:center;color:var(--tx)}
.nna-ham svg{width:20px;height:20px}

/* pieces */
.nna-panel{background:var(--sf);border:1px solid var(--ln);border-radius:var(--r)}
.nna-pad{padding:18px}
.nna h2.t{font-size:15px;font-weight:700;margin-bottom:10px}
.nna .mt{color:var(--mt);font-size:13px}
.nna .nna-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:8px;font-weight:700;background:var(--ac);color:var(--ac-tx)}
.nna .nna-btn.q{background:var(--sf2);color:var(--tx)}
.nna-btn:disabled{opacity:.5;cursor:default}
.nna-btn svg{width:16px;height:16px}
.nna-err{color:var(--bad);font-size:13px;margin-top:8px}
.nna textarea,.nna input[type=text],.nna input[type=email],.nna input[type=password]{width:100%;border:1px solid var(--ln);border-radius:8px;background:var(--bg);color:var(--tx);padding:10px 12px;font:inherit;font-size:14px}
.nna textarea{min-height:96px;resize:vertical}
.nna-row{display:flex;gap:8px;margin-top:10px}
.nna-row textarea{min-height:44px}
.nna-row .nna-btn{align-self:flex-end}

/* home */
.nna-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;margin-bottom:16px}
.nna-cont{padding:20px;display:flex;flex-direction:column;gap:14px}
.nna-cont .k{font-size:13px;color:var(--mt)}
.nna-cont h3{font-size:19px;font-weight:800;letter-spacing:-.01em}
.nna-bar{height:6px;background:var(--sf2);border-radius:4px;overflow:hidden}
.nna-bar i{display:block;height:100%;background:var(--ac)}
.nna-stats{display:grid;grid-template-rows:repeat(3,1fr);gap:10px}
.nna-stat{padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.nna-stat b{font-size:20px;font-weight:800}
.nna-stat span{color:var(--mt);font-size:13px}

/* trail */
.nna-trail details{border-top:1px solid var(--ln)}
.nna-trail details:first-child{border-top:0}
.nna-mod{padding:14px 18px;font-size:13.5px;font-weight:700;display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none}
.nna-mod::-webkit-details-marker{display:none}
.nna-mod .c{font-size:12px;color:var(--mt);font-weight:600;display:flex;gap:8px;align-items:center}
.nna-mod .c svg{width:14px;height:14px;transition:transform .15s}
details[open] .nna-mod .c svg{transform:rotate(180deg)}
.nna .nna-ls{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:11px 18px;text-align:left;width:100%;border-radius:0;background:none;border:0}
.nna-ls:hover{background:var(--sf2)}
.nna-ls .dot{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--ln);font-size:12px;font-weight:700;color:var(--mt)}
.nna-ls.done .dot{background:var(--ok);border-color:var(--ok);color:#fff}
.nna-ls.current .dot{border-color:var(--ac);color:var(--ac)}
.nna-ls.lock{color:var(--lock)}
.nna-ls.lock .dot{border-style:dashed}
.nna-ls .t{font-weight:600}
.nna-ls .s{font-size:12px;color:var(--mt)}
.nna-ls .r{font-size:12px;color:var(--mt);white-space:nowrap}
.nna-ls.current .r{color:var(--ac);font-weight:700}
.nna-ls .dot svg{width:12px;height:12px}
details .nna-ls:last-child{margin-bottom:6px}

/* partners */
.nna-partners{margin-top:16px;padding:14px 18px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.nna-partners .mt{flex:1 1 100%}
.nna-pl{display:flex;gap:10px;flex-wrap:wrap}
.nna-pl a{text-decoration:none;padding:8px 12px;border:1px solid var(--ln);border-radius:8px;font-size:13px;font-weight:600;color:var(--mt);background:var(--bg);display:inline-flex;align-items:center;gap:8px}
.nna-pl img{height:18px;width:auto}

/* lesson */
.nna-lesson{display:grid;grid-template-columns:1fr 340px;gap:16px}
.nna-video{aspect-ratio:16/9;background:#0e0e0d;border-radius:var(--r);overflow:hidden;position:relative}
.nna-video iframe,.nna-video video{width:100%;height:100%;border:0;display:block}
.nna-video .empty{position:absolute;inset:0;display:grid;place-items:center;color:#8a8a82}
.nna-lh{margin:16px 0 8px;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.nna-lh h2{font-size:20px;font-weight:800;letter-spacing:-.01em;margin:0}
.nna-desc{font-size:14.5px;max-width:64ch;margin-bottom:14px}
.nna-desc p{margin-bottom:10px}
.nna-files{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.nna-files a{text-decoration:none;font-size:13px;font-weight:600;padding:7px 11px;border:1px solid var(--ln);border-radius:8px;display:inline-flex;gap:6px;align-items:center;background:var(--sf)}
.nna-files svg{width:14px;height:14px;color:var(--mt)}
.nna-imgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;margin-bottom:16px}
.nna-imgs img{border-radius:8px;border:1px solid var(--ln)}
.nna-tabs{display:flex;gap:2px;border-bottom:1px solid var(--ln);padding:0 6px}
.nna-tabs button{padding:12px 12px;font-weight:700;color:var(--mt);border-bottom:2px solid transparent;margin-bottom:-1px}
.nna-tabs button.on{color:var(--tx);border-color:var(--ac)}
.nna-tb{display:none;padding:16px 18px}
.nna-tb.on{display:block}
.nna-task{display:flex;gap:12px;padding:10px 0;border-top:1px solid var(--ln)}
.nna-task:first-child{border-top:0}
.nna-chk{width:20px;height:20px;border-radius:6px;border:2px solid var(--ln);flex:none;display:grid;place-items:center;margin-top:2px;cursor:pointer}
.nna-task.d .nna-chk{background:var(--ok);border-color:var(--ok);color:#fff}
.nna-chk svg{width:12px;height:12px}
.nna-task.d .tt{text-decoration:line-through;color:var(--mt)}
.nna-task small{display:block;color:var(--mt);font-size:12.5px}
.nna-task .body{flex:1}
.nna-send{margin-top:10px}
.nna-rev{margin-top:12px;padding:12px 14px;border-left:3px solid var(--ac);background:var(--bg);border-radius:0 8px 8px 0;font-size:14px;white-space:pre-wrap}
.nna-rev b{display:block;font-size:12px;color:var(--mt);margin-bottom:4px;font-weight:600}
.nna-note{padding:10px 0;border-top:1px solid var(--ln);font-size:14px;display:flex;justify-content:space-between;gap:10px}
.nna-note:first-child{border-top:0}
.nna-note small{display:block;color:var(--mt);font-size:12px;margin-top:2px}
.nna-note button{color:var(--mt);font-size:12px}
.nna-cm{display:flex;gap:10px;padding:12px 0;border-top:1px solid var(--ln)}
.nna-cm:first-child{border-top:0}
.nna-cm .nna-av{width:28px;height:28px;font-size:11px}
.nna-cm b{font-size:13.5px}
.nna-cm .mt{font-size:12px;margin-left:6px}
.nna-cm p{font-size:14px;margin-top:2px;white-space:pre-wrap}
.nna-cm.owner .nna-av{background:var(--ac);color:var(--ac-tx)}
.nna-cm.reply{margin-left:38px}
.nna-cm .rp{font-size:12px;color:var(--mt);margin-top:4px}

.nna-rail .nna-pad{padding:14px 16px}
.nna-rail .nna-ls{padding:9px 14px}
.nna-rail .nna-mod{cursor:default}

/* locked */
.nna-locked{text-align:center;padding:60px 20px}
.nna-locked h2{font-size:20px;font-weight:800;margin-bottom:8px}

/* channel */
.nna-chat{display:flex;flex-direction:column;gap:12px;max-width:720px}
.nna-msg{max-width:78%;padding:11px 14px;border-radius:12px;background:var(--sf);border:1px solid var(--ln);font-size:14.5px;white-space:pre-wrap}
.nna-msg.me{align-self:flex-end;background:var(--ac);color:var(--ac-tx);border-color:transparent}
.nna-msg small{display:block;font-size:11.5px;color:var(--mt);margin-top:4px;white-space:normal}
.nna-msg.me small{color:var(--ac-tx);opacity:.75}
.nna-cap{font-size:12.5px;color:var(--mt);max-width:720px;margin-bottom:14px}
.nna-chat .nna-row{margin-top:8px}

/* plans */
.nna-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.nna-plan{padding:20px;display:flex;flex-direction:column;gap:10px}
.nna-plan.hi{border-color:var(--ac)}
.nna-plan h3{font-size:16px;font-weight:800}
.nna-plan .price{font-size:26px;font-weight:800;letter-spacing:-.02em}
.nna-plan .price small{font-size:13px;color:var(--mt);font-weight:600}
.nna-plan ul{list-style:none;display:flex;flex-direction:column;gap:6px;font-size:13.5px;flex:1}
.nna-plan li::before{content:"✓ ";color:var(--ok);font-weight:700}
.nna-pay{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.nna-pix{max-width:520px}
.nna-pix .qr{background:#fff;padding:14px;border-radius:10px;display:inline-block;margin:12px 0}
.nna-pix code{display:block;word-break:break-all;font-size:12px;background:var(--bg);border:1px solid var(--ln);border-radius:8px;padding:10px;margin:8px 0}

/* auth */
.nna-authwrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px 48px;background:radial-gradient(1200px 600px at 50% -10%,rgba(224,163,63,.14),transparent 60%),var(--bg)}
.nna-authcard{width:100%;max-width:440px;background:var(--sf);border:1px solid var(--ln);border-radius:18px;padding:32px 28px 26px;box-shadow:0 24px 60px rgba(0,0,0,.25)}
.nna-authbrand{text-align:center;margin-bottom:22px}
.nna-authbrand img{max-height:64px;width:auto;display:inline-block;background:#fff;padding:8px 14px;border-radius:12px}
.nna-authbrand .n{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;background:var(--ac);color:var(--ac-tx);font-weight:800;font-size:16px;vertical-align:middle;margin-right:8px}
.nna-authbrand b{font-size:18px;vertical-align:middle}
.nna-authbrand p{margin-top:12px;font-size:13.5px;color:var(--mt)}
.nna-authcard h1{font-size:24px;font-weight:800;letter-spacing:-.02em;margin-bottom:4px}
.nna-authsub{font-size:14px;color:var(--mt);margin-bottom:20px}
.nna-field{margin-bottom:14px}
.nna-field label{font-size:13px;font-weight:700;color:var(--mt);display:block;margin-bottom:6px}
.nna-field input{width:100%;border:1px solid var(--ln);border-radius:10px;background:var(--bg);color:var(--tx);padding:12px 14px;font:inherit;font-size:15px;transition:border-color .15s,box-shadow .15s}
.nna-field input:focus{outline:0;border-color:var(--ac);box-shadow:0 0 0 3px rgba(224,163,63,.22)}
.nna-pw{position:relative}
.nna-pw input{padding-right:44px}
.nna .nna-eye{position:absolute;right:8px;top:50%;translate:0 -50%;width:32px;height:32px;display:grid;place-items:center;color:var(--mt);border-radius:8px}
.nna-eye.on{color:var(--ac)}
.nna-eye svg{width:18px;height:18px}
.nna-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.nna-check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--mt);margin:4px 0 16px}
.nna-check input{margin-top:3px;accent-color:var(--ac)}
.nna-check a{color:var(--ac);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.nna-wide{width:100%;padding:13px 16px;font-size:15px}
.nna-authcard .nna-err{margin-top:10px;text-align:center}
.nna-alt{font-size:13.5px;color:var(--mt);text-align:center;margin-top:14px}
.nna-alt button{color:var(--ac);font-weight:700}
.nna-divider{display:flex;align-items:center;gap:12px;margin:18px 0 12px;color:var(--mt);font-size:12.5px}
.nna-divider::before,.nna-divider::after{content:"";flex:1;height:1px;background:var(--ln)}
.nna-code{font-size:24px!important;letter-spacing:8px;text-align:center;font-weight:800}
.nna-auth-partners{width:100%;max-width:440px}
.nna-auth-partners .nna-partners{margin-top:18px}
@media (max-width:480px){.nna-authcard{padding:26px 20px 22px;border-radius:16px}.nna-authwrap{padding:18px 12px 32px}}

/* modal */
.nna-modal{position:fixed;inset:0;z-index:1050;display:grid;place-items:center;padding:16px}
.nna-modal-veil{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.nna-modal-box{position:relative;background:var(--sf);border:1px solid var(--ln);border-radius:16px;padding:22px 20px;width:100%;max-width:400px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.nna-modal-box .nna-row{margin-top:14px;justify-content:flex-end}
.nna .nna-btn:disabled{opacity:.45;cursor:not-allowed}

/* settings */
.nna-set{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:900px}
.nna-set .nna-panel:first-child{grid-column:1 / -1}
@media (max-width:860px){.nna-set{grid-template-columns:1fr}}

/* notes page */
.nna-notes-page .nna-note{padding:12px 18px}

/* screens */
.nna-scr{display:none}.nna-scr.on{display:block}
.nna-toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--tx);color:var(--bg);padding:10px 16px;border-radius:999px;font-size:13px;font-weight:600;z-index:1040;opacity:0;pointer-events:none;transition:opacity .2s}
.nna-toast.on{opacity:1}

/* mobile */
.nna-bnav{display:none}
@media (max-width:860px){
  .nna-main{padding:16px 16px 84px}
  .nna-hero{grid-template-columns:1fr}
  .nna-stats{grid-template-rows:none;grid-template-columns:repeat(3,1fr)}
  .nna-stat{flex-direction:column;align-items:flex-start;gap:2px}
  .nna-lesson{grid-template-columns:1fr}
  .nna-rail{order:2}
  .nna-top h1{font-size:19px}
  .nna-plans{grid-template-columns:1fr}
  .nna-bnav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;background:var(--sf);border-top:1px solid var(--ln);padding:6px 0 max(6px,env(safe-area-inset-bottom));z-index:1020}
  .nna-bnav button{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:600;color:var(--mt);padding:6px 0}
  .nna-bnav button.on{color:var(--ac)}
  .nna-bnav svg{width:20px;height:20px}
}
.nna :focus-visible{outline:2px solid var(--ac);outline-offset:2px}