/* EngNote - Kho gói: danh sách, thẻ, chi tiết, thanh toán, trình soạn. Dùng chung cho trang Cộng đồng bên ngoài (notewise-public.css) và trang sau đăng nhập (notewise.css):
   chỉ dùng token màu có ở cả hai (--card, --border, --accent, ...). Bao ngoài bằng .pkx-scope (+ .pub ở trang ngoài để thẻ có viền «tem dán»). */
.pkx-scope{--pk-edge:var(--border);--pk-sh:var(--shadow,0 1px 0 rgba(0,0,0,.04),0 6px 16px rgba(60,40,10,.07));--pk-free:var(--green,#2e8b3d);--pk-free-bg:var(--green-soft,#e4f4e3);--pk-paid:var(--amber,#c56a0c);--pk-paid-bg:var(--amber-soft,#fff1dc);color:var(--text)}
.pkx-scope.pub{--pk-edge:var(--edge,var(--border));--pk-sh:4px 4px 0 var(--edge,rgba(0,0,0,.1))}
.pkx-scope *{box-sizing:border-box}
.pkx-muted{color:var(--muted)}
.pkx-scope .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---- lưới + thẻ ---- */
.pkx-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.pkx-grid.sm{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.pkx-card{display:flex;flex-direction:column;min-width:0;background:var(--card);border:1.5px solid var(--pk-edge);border-radius:14px;box-shadow:var(--pk-sh);overflow:hidden;transition:transform .18s cubic-bezier(.3,1.4,.5,1),box-shadow .18s}
.pkx-card:hover{transform:translateY(-2px)}
.pkx-cover{position:relative;display:grid;place-items:center;aspect-ratio:21/9;overflow:hidden;background:var(--accent-soft);color:#fff;text-decoration:none}
.pkx-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.pkx-card:hover .pkx-cover img{transform:scale(1.05)}
.pkx-cover-ico{font-size:clamp(34px,5vw,46px);line-height:1;filter:drop-shadow(0 3px 6px rgba(0,0,0,.25))}
.pkx-c0{background:linear-gradient(135deg,#4f7be8,#7c5cd6)}
.pkx-c1{background:linear-gradient(135deg,#27a56a,#8bc34a)}
.pkx-c2{background:linear-gradient(135deg,#f08a3c,#e5546b)}
.pkx-c3{background:linear-gradient(135deg,#1fa3b8,#4f7be8)}
.pkx-c4{background:linear-gradient(135deg,#d9609f,#a45fd9)}
.pkx-c5{background:linear-gradient(135deg,#e3a62b,#e8743b)}
.pkx-price{position:absolute;left:10px;top:10px;padding:2px 10px;border-radius:99px;font-weight:800;font-size:12.5px;background:#fff;color:#1b1f27;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.pkx-price.free{background:var(--pk-free-bg);color:var(--pk-free)}
.pkx-price.paid{background:var(--pk-paid-bg);color:var(--pk-paid)}
.pkx-flag{position:absolute;right:10px;top:10px;padding:2px 9px;border-radius:99px;font-size:11.5px;font-weight:700;background:rgba(15,18,24,.72);color:#ffd54a;backdrop-filter:blur(4px)}
.pkx-body{display:flex;flex-direction:column;gap:8px;padding:12px 14px 14px;flex:1;min-width:0}
.pkx-tags{display:flex;gap:6px;flex-wrap:wrap}
.pkx-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:99px;font-size:11.5px;font-weight:700;background:var(--card-2);color:var(--muted);border:1px solid var(--border)}
.pkx-tag.k-ghichu{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.pkx-tag.k-tuvung{background:var(--pk-free-bg);color:var(--pk-free);border-color:transparent}
.pkx-tag.k-ketHop{background:var(--pk-paid-bg);color:var(--pk-paid);border-color:transparent}
.pkx-tag.star{background:#fff4c7;color:#8a6200;border-color:transparent}
.pkx-title{margin:0;font-size:16.5px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.pkx-title a{color:var(--ink);text-decoration:none}
.pkx-title a:hover{text-decoration:underline}
.pkx-desc{margin:-2px 0 0;font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.pkx-by{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text);min-width:0}
.pkx-by span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pkx-by.big{font-size:15px;margin:6px 0}
.pkx-ava{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-weight:800;font-size:12px;background:var(--accent);color:#fff}
.pkx-by.big .pkx-ava{width:32px;height:32px;font-size:14px}
.pkx-ver{flex:none;display:inline-grid;place-items:center;width:17px;height:17px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px}
.pkx-stats{display:inline-flex;flex-wrap:wrap;justify-content:flex-end;gap:2px 10px;font-size:12.5px;color:var(--muted);white-space:nowrap}
.pkx-stats.big{font-size:14px;gap:6px 18px;margin-top:6px}
.pkx-rate{color:#b8860b;font-weight:700;text-decoration:none}
.pkx-rate small{color:var(--muted);font-weight:500}
.pkx-foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--line,var(--border))}
.pkx-act{display:flex;gap:6px;align-items:stretch}
.pkx-act>*:first-child{flex:1 1 auto;min-width:0;display:flex}
.pkx-act>*:first-child .btn,.pkx-act>.btn:first-child{flex:1;justify-content:center;white-space:nowrap}
.pkx-act>a.btn:last-child{flex:none;white-space:nowrap}
.pkx-inline{display:flex}

/* ---- bộ lọc ---- */
.pkx-filter{display:flex;flex-direction:column;gap:10px;margin:4px 0 14px;padding:0;background:none;border:0;box-shadow:none}
.pkx-f-top{display:flex;gap:8px;align-items:stretch}
.pkx-search{position:relative;flex:1 1 220px;min-width:0}
.pkx-search-ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.pkx-f-top input[type=search]{width:100%;height:42px;padding:0 12px 0 38px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);font:inherit}
.pkx-f-top input[type=search]:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.pkx-f-top select{flex:none;height:42px;padding:0 10px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);font:inherit;max-width:100%}
.pkx-f-top>.btn,.pkx-f-top>button{flex:none;height:42px;border-radius:12px}
.pkx-f-bar{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap}
.pkx-seg{display:inline-flex;gap:2px;padding:3px;background:var(--card-2,rgba(0,0,0,.05));border:1px solid var(--border);border-radius:99px;max-width:100%;overflow-x:auto;scrollbar-width:none}
.pkx-seg::-webkit-scrollbar{display:none}
.pkx-f-row{display:flex;gap:7px;flex-wrap:wrap}
.pkx-chip{position:relative;display:inline-flex;cursor:pointer}
.pkx-chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.pkx-chip span{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;border:0;background:transparent;font-weight:600;font-size:13px;color:var(--text);white-space:nowrap;transition:background-color .15s,color .15s}
.pkx-chip span small{opacity:.7;font-weight:700}
.pkx-chip:hover span{background:var(--accent-soft)}
.pkx-chip.on span{background:var(--accent);color:#fff;box-shadow:0 1px 3px rgba(0,0,0,.18)}
.pkx-chip.free.on span{background:var(--pk-free)}
.pkx-chip.paid.on span{background:var(--pk-paid)}
.pkx-chip input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.pkx-more{position:relative}
.pkx-more summary{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:99px;background:var(--card);cursor:pointer;font-weight:600;font-size:13px;color:var(--text);list-style:none;user-select:none}
.pkx-more summary:hover,.pkx-more[open] summary{border-color:var(--accent);color:var(--accent)}
.pkx-badge{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;border-radius:99px;background:var(--accent);color:#fff;font-size:11px}
.pkx-more summary::-webkit-details-marker{display:none}
.pkx-f-adv{position:absolute;z-index:20;top:calc(100% + 8px);left:0;display:flex;flex-direction:column;gap:12px;min-width:min(300px,86vw);padding:14px;background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 30px rgba(30,20,5,.18)}
.pkx-range{display:flex;flex-direction:column;align-items:stretch;gap:5px}
.pkx-range-in{display:flex;align-items:center;gap:8px}
.pkx-range label{font-weight:700;font-size:12.5px;color:var(--muted)}
.pkx-range input,.pkx-range select{height:38px;padding:0 10px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);font:inherit;width:100%;min-width:0}
.pkx-range select{width:100%}
.pkx-reset{font-size:13px;font-weight:700;color:var(--muted);text-decoration:none;white-space:nowrap}
.pkx-reset:hover{color:var(--red,#cf3a3a)}
.pkx-bar-end{display:inline-flex;align-items:center;gap:12px;margin-left:auto;flex-wrap:wrap}
.pkx-count{margin:0;font-size:13px;color:var(--muted);white-space:nowrap}
.pkx-meta-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}
.pkx-by-row .pkx-by{flex:1 1 auto;min-width:0}
.pkx-empty{text-align:center;padding:38px 18px;background:var(--card);border:2px dashed var(--pk-edge);border-radius:16px}
.pkx-empty-ico{font-size:44px}
.pkx-pager{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:22px}

/* ---- trang chi tiết ---- */
.pkx-detail{padding-block:6px 40px}
.pkx-crumb{margin:6px 0 12px;font-size:14px}
.pkx-crumb a{color:var(--muted);font-weight:600;text-decoration:none}
.pkx-crumb a:hover{color:var(--accent)}
.pkx-banner{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px 14px;margin-bottom:14px;border-radius:12px;background:var(--pk-paid-bg);color:var(--text);border:1px solid var(--pk-paid)}
.pkx-banner.green{background:var(--pk-free-bg);border-color:var(--pk-free)}
.pkx-banner.red{background:#fde9e9;border-color:var(--red,#cf3a3a)}
.pkx-tagsm{padding:1px 9px;border-radius:99px;font-size:12px;font-weight:800;background:var(--card);border:1px solid var(--border)}
.pkx-tagsm.green{color:var(--pk-free)}.pkx-tagsm.amber{color:var(--pk-paid)}.pkx-tagsm.red{color:var(--red,#cf3a3a)}
.pkx-hero{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:22px;align-items:center;margin-bottom:22px}
.pkx-hero-cover{position:relative;display:grid;place-items:center;aspect-ratio:16/9;border-radius:18px;overflow:hidden;border:2px solid var(--pk-edge);box-shadow:var(--pk-sh);color:#fff}
.pkx-hero-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pkx-h1{margin:6px 0 4px;font-size:clamp(24px,3.4vw,34px);line-height:1.18;color:var(--ink)}
.pkx-lead{margin:0 0 6px;font-size:16px;color:var(--text);overflow-wrap:anywhere}
.pkx-cols{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;align-items:start}
.pkx-sec{margin-bottom:26px}
.pkx-sec h2{margin:0 0 10px;font-size:20px;color:var(--ink)}
.pkx-h3{margin:14px 0 8px;font-size:15px}
.pkx-about{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65}
.pkx-folder{margin-bottom:10px;padding:12px 14px;background:var(--card);border:1px solid var(--border);border-radius:12px}
.pkx-items{margin:8px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:4px;font-size:14px;overflow-wrap:anywhere}
.pkx-lock{display:flex;gap:8px;align-items:center;padding:14px;border-radius:12px;border:2px dashed var(--pk-paid);background:var(--pk-paid-bg);font-weight:600}
.pkx-rsum{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.pkx-rbig{font-size:34px;line-height:1;color:#b8860b}
.pkx-stars{color:#e0a800;letter-spacing:2px;font-size:18px}
.pkx-stars.sm{font-size:13px;letter-spacing:1px}
.pkx-rlist{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:10px}
.pkx-rlist li{padding:11px 14px;background:var(--card);border:1px solid var(--border);border-radius:12px}
.pkx-rlist p{margin:5px 0 0;overflow-wrap:anywhere;white-space:pre-wrap}
.pkx-rhead{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pkx-rform{display:flex;flex-direction:column;gap:8px;padding:14px;background:var(--card-2);border-radius:12px}
.pkx-rform textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);font:inherit;resize:vertical}
.pkx-starpick{display:inline-flex;flex-direction:row-reverse;justify-content:flex-end;gap:2px}
.pkx-starpick input{position:absolute;opacity:0;width:1px;height:1px}
.pkx-starpick label{font-size:30px;line-height:1;color:var(--border);cursor:pointer;transition:color .12s,transform .12s}
.pkx-starpick label:hover,.pkx-starpick label:hover~label,.pkx-starpick input:checked~label{color:#e0a800}
.pkx-starpick label:active{transform:scale(.9)}
.pkx-starpick input:focus-visible+label{outline:2px solid var(--accent);border-radius:6px}

/* khung mua / tải */
.pkx-buy{position:sticky;top:84px}
.pkx-buybox{padding:18px;background:var(--card);border:2px solid var(--pk-edge);border-radius:18px;box-shadow:var(--pk-sh);display:flex;flex-direction:column;gap:10px}
.pkx-bigprice{font-size:34px;font-weight:900;line-height:1.1}
.pkx-bigprice.free{color:var(--pk-free)}
.pkx-bigprice.paid{color:var(--pk-paid)}
.pkx-once{margin:-4px 0 0;font-size:13px}
.pkx-buyact{display:flex;flex-direction:column;gap:8px}
.pkx-buyact .btn,.pkx-buyact form,.pkx-buyact button{width:100%;justify-content:center}
.pkx-buybox>a.btn{width:100%;justify-content:center;text-align:center}
.pkx-note{margin:0;font-size:13px;color:var(--muted);padding:9px 11px;border-radius:10px;background:var(--card-2)}
.pkx-perks{list-style:none;margin:2px 0 0;padding:0;display:flex;flex-direction:column;gap:6px;font-size:13.5px}
.pkx-perks li{color:var(--text)}
.pkx-meta{display:grid;grid-template-columns:auto 1fr;gap:5px 12px;margin:4px 0 0;padding-top:10px;border-top:1px dashed var(--border);font-size:13px}
.pkx-meta dt{color:var(--muted)}.pkx-meta dd{margin:0;text-align:right;font-weight:600;overflow-wrap:anywhere}

/* ---- mục nổi bật trang ngoài ---- */
.pkx-feat{padding-block:34px 0}
.pkx-feat-sub{margin:-4px 0 14px}
.pkx-all{font-weight:800;text-decoration:none}
.pkx-feat-more{text-align:center;margin:18px 0 0}

/* ---- thanh toán ---- */
.pkx-pay{max-width:760px;margin:0 auto}
.pkx-steps{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 16px}
.pkx-steps li{display:flex;align-items:center;gap:7px;padding:5px 13px 5px 6px;border-radius:99px;background:var(--card-2);color:var(--muted);font-size:13.5px;font-weight:600}
.pkx-steps i{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--card);border:1.5px solid var(--border);font-style:normal;font-size:12px;font-weight:800}
.pkx-steps li.on{background:var(--accent-soft);color:var(--ink)}
.pkx-steps li.on i{background:var(--accent);border-color:var(--accent);color:#fff}
.pkx-steps li.done i{background:var(--pk-free);border-color:var(--pk-free);color:#fff}
.pkx-card2{padding:18px;background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);margin-bottom:14px}
.pkx-bank{display:grid;grid-template-columns:auto 1fr auto;gap:8px 12px;align-items:center;margin:0}
.pkx-bank dt{color:var(--muted);font-size:13.5px}
.pkx-bank dd{margin:0;font-weight:800;font-size:16px;overflow-wrap:anywhere}
.pkx-bank .copy{border:1px solid var(--border);background:var(--card-2);color:var(--text);border-radius:8px;padding:4px 10px;font-size:12.5px;cursor:pointer}
.pkx-code{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.04em;background:var(--accent-soft);padding:3px 9px;border-radius:8px}
.pkx-qr{display:block;max-width:230px;margin:12px auto 0;border-radius:12px;border:1px solid var(--border);background:#fff}
.pkx-status{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:14px;border-radius:14px;font-weight:700}
.pkx-status.wait{background:var(--pk-paid-bg);color:var(--pk-paid)}
.pkx-status.ok{background:var(--pk-free-bg);color:var(--pk-free)}
.pkx-status.off{background:var(--card-2);color:var(--muted)}
.pkx-spin{width:16px;height:16px;border-radius:50%;border:3px solid currentColor;border-right-color:transparent;animation:pkxSpin .9s linear infinite}
@keyframes pkxSpin{to{transform:rotate(360deg)}}

/* ---- quản lý của người tạo / thư viện ---- */
.pkx-tabs{display:flex;gap:2px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:2px 0 16px;border-bottom:1px solid var(--border)}
.pkx-tabs::-webkit-scrollbar{display:none}
.pkx-tabs a{display:inline-flex;gap:6px;align-items:center;padding:9px 14px;margin-bottom:-1px;border:0;border-bottom:3px solid transparent;border-radius:0;background:none;color:var(--muted);font-weight:700;text-decoration:none;font-size:14px;white-space:nowrap}
.pkx-tabs a:hover{color:var(--ink)}
.pkx-tabs a.on{background:none;border-bottom-color:var(--accent);color:var(--accent)}
.pkx-tabs .n{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:99px;background:var(--red,#cf3a3a);color:#fff;font-size:11px}
.pkx-statrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:16px}
.pkx-stat{padding:12px 14px;background:var(--card);border:1px solid var(--border);border-radius:14px}
.pkx-stat b{display:block;font-size:22px;color:var(--ink)}
.pkx-stat span{font-size:12.5px;color:var(--muted)}
.pkx-rowi{display:flex;gap:14px;align-items:center;padding:12px;background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:10px;flex-wrap:wrap}
.pkx-rowi .th{flex:none;width:96px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;display:grid;place-items:center;color:#fff;font-size:26px;position:relative}
.pkx-rowi .th img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pkx-rowi .grow{flex:1;min-width:180px}
.pkx-rowi .acts{display:flex;gap:6px;flex-wrap:wrap}
.pkx-rowi .sub{font-size:13px;color:var(--muted)}
.pkx-ed{display:flex;flex-direction:column;gap:16px}
.pkx-form{padding:18px;background:var(--card);border:1px solid var(--border);border-radius:16px}
.pkx-form h3{margin:0 0 4px;font-size:17px}
.pkx-form .hint{margin:0 0 12px;font-size:13px;color:var(--muted)}
.pkx-fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px 16px}
.pkx-fgrid .wide{grid-column:1 / -1}
.pkx-fgrid label.fl{display:block;margin-bottom:4px;font-weight:700;font-size:13.5px}
.pkx-fgrid input[type=text],.pkx-fgrid input[type=number],.pkx-fgrid select,.pkx-fgrid textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);font:inherit}
.pkx-fgrid textarea{resize:vertical;min-height:70px}
.pkx-coverpick{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.pkx-coverpick .pv{width:200px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--border);display:grid;place-items:center;color:#fff;font-size:34px;position:relative}
.pkx-coverpick .pv img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pkx-src{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.pkx-src h4{margin:0 0 6px;font-size:14px;color:var(--ink)}
.pkx-src label{display:flex;gap:8px;align-items:flex-start;padding:5px 0;cursor:pointer}
.pkx-src input{width:18px;height:18px;accent-color:var(--accent);flex:none;margin-top:1px}
.pkx-actions{display:flex;gap:8px;flex-wrap:wrap}
.pkx-help{padding:10px 13px;border-radius:12px;background:var(--card-2);font-size:13.5px}

/* ---- đáp ứng ---- */
@media (max-width:960px){
  .pkx-hero{grid-template-columns:minmax(0,1fr)}
  .pkx-hero-cover{max-width:520px}
  .pkx-cols{grid-template-columns:minmax(0,1fr)}
  .pkx-buy{position:static;order:-1}
  .pkx-cols{display:flex;flex-direction:column}
}
@media (max-width:600px){
  .pkx-grid,.pkx-grid.sm{grid-template-columns:minmax(0,1fr)}
  .pkx-card .pkx-cover{aspect-ratio:3/1}
  .pkx-seg:first-child{width:100%}
  .pkx-seg .pkx-chip{flex:1 1 auto}
  .pkx-seg .pkx-chip span{width:100%;justify-content:center;padding:6px 7px;font-size:12.5px}
  .pkx-f-top{flex-wrap:wrap}
  .pkx-search{flex-basis:100%}
  .pkx-f-top select{flex:1 1 0}
  .pkx-bar-end{margin-left:0;width:100%;justify-content:space-between}
  .pkx-f-adv{position:fixed;left:12px;right:12px;top:auto;bottom:12px;min-width:0;z-index:60}
  .pkx-f-top select{flex:1 1 140px}
  .pkx-bank{grid-template-columns:minmax(0,1fr) auto}
  .pkx-bank dt{grid-column:1 / -1;margin-top:6px}
  .pkx-rowi .th{width:72px}
  .pkx-bigprice{font-size:30px}
}
@media (prefers-reduced-motion:reduce){.pkx-card,.pkx-cover img{transition:none!important}.pkx-card:hover{transform:none}.pkx-spin{animation:none}}

/* Khung trượt «Kho học liệu» ở trang Cộng đồng công khai (miễn phí + trả phí), bấm vào để xem chi tiết */
.pks-side{margin-top:18px}
.pks-top{display:none;margin:0 0 16px}
.pks{border:1px solid var(--border);border-radius:16px;background:var(--card);box-shadow:var(--shadow);overflow:hidden}
.pks-hd{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px 8px}
.pks-hd h4{margin:0!important;font-size:13px;font-weight:800;letter-spacing:.02em;text-transform:none!important;color:var(--ink)!important}
.pks-hd a{font-size:12.5px;font-weight:700;color:var(--accent);text-decoration:none}
.pks-hd a:hover{text-decoration:underline}
.pks-view{position:relative;overflow:hidden;touch-action:pan-y}
.pks-track{display:flex;transition:transform .45s ease;will-change:transform}
.pks-slide{flex:0 0 100%;min-width:0;display:block;color:inherit;text-decoration:none;padding:0 14px 6px}
.pks-cover{position:relative;display:grid;place-items:center;aspect-ratio:16/10;border-radius:12px;overflow:hidden;color:#fff}
.pks-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pks-cover-ico{font-size:44px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.25))}
.pks-price{position:absolute;left:8px;top:8px;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:800;background:rgba(255,255,255,.94);color:#1e3a6e}
.pks-price.free{background:var(--green-soft);color:var(--green)}
.pks-price.paid{background:var(--amber-soft);color:var(--amber)}
.pks-tag{position:absolute;right:8px;bottom:8px;padding:1px 9px;border-radius:99px;font-size:11.5px;font-weight:700;background:rgba(0,0,0,.45);color:#fff}
.pks-title{margin:9px 2px 2px;font-size:14.5px;font-weight:800;line-height:1.3;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pks-meta{display:flex;flex-wrap:wrap;gap:4px 10px;margin:0 2px 4px;font-size:12.5px;color:var(--muted)}
.pks-slide:hover .pks-title{text-decoration:underline}
.pks-slide:focus-visible{outline:3px solid var(--accent);outline-offset:-3px;border-radius:12px}
.pks-nav{position:absolute;top:calc(50% - 34px);width:30px;height:30px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:#1e3a6e;font-size:18px;line-height:1;display:grid;place-items:center;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.25);opacity:0;transition:opacity .15s}
.pks-view:hover .pks-nav,.pks-view:focus-within .pks-nav{opacity:1}
.pks-nav.prev{left:20px}.pks-nav.next{right:20px}
.pks-dots{display:flex;justify-content:center;gap:6px;padding:4px 0 12px}
.pks-dot{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:var(--border);cursor:pointer}
.pks-dot[aria-current="true"]{width:20px;border-radius:99px;background:var(--accent)}
@media (hover:none){.pks-nav{opacity:.9}}
@media (max-width:900px){.pks-side{display:none}.pks-top{display:block}.pks-top .pks{display:grid;grid-template-columns:minmax(0,1fr)}}
@media (prefers-reduced-motion:reduce){.pks-track{transition:none}}

/* ===== Kho học liệu — thiết kế lại: trang chi tiết (bìa + hộp mua có thanh toán), bước thanh toán đơn mua, trình soạn gói ===== */
/* Chi tiết gói */
.pkx-detail .pkx-hero{padding:20px;gap:26px;border:1.5px solid var(--border);border-radius:24px;background:linear-gradient(135deg,var(--card) 0%,var(--accent-soft) 170%);box-shadow:var(--pk-sh)}
.pkx-detail .pkx-hero-cover{border-radius:18px;box-shadow:0 12px 26px rgba(30,50,110,.22)}
.pkx-detail .pkx-h1{font-size:clamp(24px,3.4vw,34px);line-height:1.15;letter-spacing:-.01em}
.pkx-detail .pkx-stats.big{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--border)}
.pkx-detail .pkx-sec{padding:18px 20px;background:var(--card);border:1.5px solid var(--border);border-radius:18px}
.pkx-detail .pkx-banner{border-radius:16px;padding:12px 16px}
.pkx-buybox{padding:0;gap:0;overflow:hidden;border-radius:22px}
.pkx-buybox > *:not(.pkx-pricehead){margin:0 20px}
.pkx-buybox > .pkx-pricehead + *{margin-top:16px}
.pkx-buybox > * + *:not(.pkx-pricehead){margin-top:12px}
.pkx-buybox > :last-child{margin-bottom:20px}
.pkx-pricehead{padding:18px 20px 14px;border-bottom:1.5px solid var(--border);background:linear-gradient(135deg,#fff3df,#ffe2b8)}
.pkx-pricehead:has(.free){background:linear-gradient(135deg,#e8f7e8,#cdeccd)}
.pkx-plabel{display:block;margin-bottom:2px;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#7b5230}
.pkx-pricehead:has(.free) .pkx-plabel{color:#2f6b3a}
.pkx-pricehead .pkx-once{margin:4px 0 0}
.pkx-buyact .btn{min-height:50px;font-size:16px;font-weight:800}
.pkx-flow{display:flex;list-style:none;padding:0;margin:0 20px}
.pkx-flow li{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;font-size:12.5px;font-weight:700;color:var(--muted)}
.pkx-flow li:not(:last-child)::after{content:"";position:absolute;top:13px;left:calc(50% + 16px);right:calc(-50% + 16px);height:2px;background:var(--border)}
.pkx-flow i{position:relative;z-index:1;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--card);border:2px solid var(--border);font-style:normal;font-size:13px;font-weight:800}
.pkx-flow li.on{color:var(--ink)}
.pkx-flow li.on i{background:var(--accent);border-color:var(--accent);color:#fff}
.pkx-pay{padding:12px 14px;border:1.5px dashed var(--border);border-radius:14px;background:var(--card-2)}
.pkx-pay-h{display:block;margin-bottom:8px;color:var(--ink)}
.pkx-pms{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 8px}
.pkx-pms li{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:99px;background:var(--card);border:1px solid var(--border);font-size:12.5px;font-weight:700;color:var(--ink)}
.pkx-pay p{margin:0;font-size:12.5px;line-height:1.5;color:var(--muted)}

/* Bước thanh toán của đơn mua gói */
.pkx-sum{display:grid;margin:0 0 14px;border:1.5px solid var(--border);border-radius:14px;overflow:hidden}
.pkx-sum > div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px}
.pkx-sum > div + div{border-top:1px dashed var(--border)}
.pkx-sum dt{color:var(--muted);font-size:13px}
.pkx-sum dd{margin:0;font-weight:700;text-align:right;overflow-wrap:anywhere}
.pkx-sum .tot{background:var(--card-2)}
.pkx-sum .tot dd{font-size:20px;color:var(--pk-paid)}
.pkx-pmpick{display:grid;gap:8px;margin-bottom:12px}
.pkx-pm{position:relative;display:block;cursor:pointer}
.pkx-pm input{position:absolute;opacity:0;pointer-events:none}
.pkx-pm-box{display:flex;align-items:center;gap:12px;padding:10px 12px;border:2px solid var(--border);border-radius:14px;background:var(--card);transition:border-color .15s,background .15s,box-shadow .15s}
.pkx-pm:hover .pkx-pm-box{border-color:var(--accent)}
.pkx-pm-i{flex:none;width:40px;height:40px;display:grid;place-items:center;border-radius:12px;font-size:22px;background:var(--card-2)}
.pkx-pm-t{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}
.pkx-pm-t b{color:var(--ink);font-size:15px}
.pkx-pm-t small{color:var(--muted);font-size:12.5px}
.pkx-pm-tick{flex:none;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;border:2px solid var(--border);font-size:12px;line-height:1;color:transparent}
.pkx-pm input:checked + .pkx-pm-box{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 3px var(--accent-soft)}
.pkx-pm input:checked + .pkx-pm-box .pkx-pm-tick{background:var(--accent);border-color:var(--accent);color:#fff}
.pkx-pm input:focus-visible + .pkx-pm-box{outline:2px solid var(--accent);outline-offset:2px}
.pkx-paygo{width:100%;min-height:52px;justify-content:center;font-size:16.5px;font-weight:800}

/* Trình soạn gói: các khối đánh số 1-5, ô nhập rõ ràng, nguồn nội dung dạng thẻ chọn, thanh thao tác dính đáy */
.pkx-ed{counter-reset:pks;gap:18px}
.pkx-ed .pkx-banner{border-radius:16px;padding:12px 16px}
.pkx-form{padding:20px 22px;border:1.5px solid var(--border);border-radius:20px;box-shadow:var(--pk-sh)}
.pkx-form h3{display:flex;align-items:center;gap:10px;margin:0 0 6px;font-size:18px;color:var(--ink)}
.pkx-form h3::before{counter-increment:pks;content:counter(pks);flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-size:14px;font-weight:800}
.pkx-form .hint{margin:0 0 14px 38px}
.pkx-fgrid{gap:16px 20px}
.pkx-fgrid label.fl{font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.pkx-fgrid input[type=text],.pkx-fgrid input[type=number],.pkx-fgrid select,.pkx-fgrid textarea{padding:11px 13px;border-width:1.5px;border-radius:12px;transition:border-color .15s,box-shadow .15s}
.pkx-fgrid input:focus,.pkx-fgrid textarea:focus,.pkx-fgrid select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.pkx-money{position:relative}
.pkx-money input{padding-right:36px !important;font-weight:800}
.pkx-money span{position:absolute;right:13px;top:50%;transform:translateY(-50%);font-weight:800;color:var(--muted);pointer-events:none}
.pkx-net{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.pkx-net > div{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border-radius:12px;background:var(--card-2)}
.pkx-net span{font-size:12px;color:var(--muted)}
.pkx-net b{font-size:18px;color:var(--ink);font-variant-numeric:tabular-nums}
.pkx-net .you{background:#e4f4e3}
.pkx-net .you b{color:#1b6b2b}
.pkx-net.free{opacity:.55}
.pkx-coverpick .pv{box-shadow:0 8px 18px rgba(30,50,110,.18);border-radius:14px}
.pkx-src label{align-items:center;padding:8px 12px;margin-bottom:6px;border:1.5px solid var(--border);border-radius:12px;background:var(--card);transition:border-color .15s,background .15s}
.pkx-src label:hover{border-color:var(--accent)}
.pkx-src label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.pkx-ed .pkx-actions{position:sticky;bottom:10px;z-index:6;padding:10px 12px;background:var(--card);border:1.5px solid var(--border);border-radius:16px;box-shadow:0 10px 30px rgba(20,30,60,.18)}
@media (max-width:640px){
  .pkx-detail .pkx-hero{padding:14px;border-radius:20px}
  .pkx-form{padding:16px 14px;border-radius:18px}
  .pkx-form .hint{margin-left:0}
  .pkx-net{grid-template-columns:minmax(0,1fr)}
  .pkx-buybox > *:not(.pkx-pricehead){margin-left:16px;margin-right:16px}
}
:root[data-theme="dark"] .pkx-pricehead{background:linear-gradient(135deg,#4a3a26,#3a2d1d)}
:root[data-theme="dark"] .pkx-pricehead:has(.free){background:linear-gradient(135deg,#1f4a35,#183a2a)}
:root[data-theme="dark"] .pkx-plabel{color:#d9bf94}
:root[data-theme="dark"] .pkx-net .you{background:#1f4a35}
:root[data-theme="dark"] .pkx-net .you b{color:#7be0a0}