/* Snail Trip · các màn còn thiếu (20/10/2026). Chỉ thêm, token lấy từ style.css. Nạp sau style.css + mock.css. */
.i-bell{--m:url(assets/icons/bell.png);width:15px;height:15px}
.i-wifi-off{--m:url(assets/icons/wifi-slash.png);width:18px;height:16px}
.i-warn{--m:url(assets/icons/warn.png);width:17px;height:15px}
.i-desktop{--m:url(assets/icons/desktop.png);width:31px;height:25px}
.i-link{--m:url(assets/icons/link.png);width:14px;height:14px}
.i-back15{--m:url(assets/icons/back15.png);width:20px;height:22px}
.i-fwd15{--m:url(assets/icons/fwd15.png);width:20px;height:22px}
.i-card{--m:url(assets/icons/card.png);width:18px;height:13px}
.i-signout{--m:url(assets/icons/signout.png);width:17px;height:14px}
.i-export{--m:url(assets/icons/export.png);width:14px;height:16px}
.i-account{--m:url(assets/icons/account.png);width:22px;height:22px}
.i-pin{--m:url(assets/icons/pin.png);width:14px;height:16px}
.i-skip{--m:url(assets/icons/skip.png);width:13px;height:12px}

/* ---------- đăng nhập: chưa đăng nhập chỉ thấy Landing + Sign in (chốt 20/10) ---------- */
body[data-auth=out] #start,body[data-auth=out] .topnav,body[data-auth=out] .acct,body[data-auth=out] #tally,body[data-auth=out] .streak{display:none!important}
body:not([data-auth=out]) .signin{display:none}
.hero .signin{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;gap:10px}
.hero .signin .price{flex-basis:100%;margin:-12px 0 6px}
.hero .signin .btn{min-width:0}
.hero .signin .btn.ghost{background:var(--paper)}
.hero .price{margin:6px 0 0;font-size:13px;color:var(--muted);text-shadow:0 0 6px var(--sky),0 0 12px var(--sky)}
.g-mark{width:18px;height:18px;border-radius:50%;background:var(--paper);color:var(--ink);display:grid;place-items:center;font:700 12px var(--sans)}

/* điện thoại: Snail Trip cần Chrome trên máy tính */
.phone-note{display:none;flex-direction:column;align-items:center;gap:14px;padding:0 8px}
body[data-device=phone] .phone-note{display:flex}
body[data-device=phone] #start,body[data-device=phone] .signin,body[data-device=phone] #tally,body[data-device=phone] .streak,body[data-device=phone] .topnav,body[data-device=phone] .acct{display:none!important}
.phone-note .ic{color:var(--muted)}
.phone-note p{margin:0;max-width:320px;font-size:15px;line-height:1.45;color:#343b36d9}

/* footer pháp lý: Paddle cần thấy được từ trang sản phẩm */
.legal{position:fixed;left:40px;bottom:22px;z-index:21;display:flex;gap:16px;font-size:12.5px;transition:opacity .3s}
.legal a{color:var(--muted);text-decoration:none}
.legal a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
body:not([data-step=home]) .legal{opacity:0;pointer-events:none}

/* nút tài khoản góc phải header */
.acct{position:fixed;right:40px;top:26px;z-index:41;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--paper);color:var(--ink);box-shadow:0 0 0 1px var(--line),0 6px 16px -10px #343b3680;transition:opacity .3s,transform .3s}
.acct:hover{background:#fff}
body[data-step=trip] .acct,body[data-step=arrived] .acct{opacity:0;pointer-events:none;transform:translateY(-20px)}

body[data-sub=setup] .topnav,body[data-sub=email] .topnav,body[data-sub=setup] .acct,body[data-sub=email] .acct{display:none}
button.bw-tab{font:inherit;font-size:13px;color:inherit;text-align:left;cursor:pointer}

/* ---------- streak trên Home: TEM SỐ (chốt 21/10) + hai tem nghỉ · bản streak-intro 21/10: tem luôn hiện, bấm mở thẻ luật ---------- */
#streakSlot{position:fixed;right:92px;top:16px;z-index:41;display:flex;align-items:center;transition:opacity .3s}
body:not([data-step=home]) #streakSlot{opacity:0;pointer-events:none}
.streak{display:inline-flex;align-items:center;gap:12px;margin:0;padding:0;background:none;border:0;cursor:pointer;border-radius:6px}
.streak:hover .tem-so{transform:rotate(-3deg) scale(1.04)}
.tem-so{width:54px;height:54px;display:block;overflow:visible;filter:drop-shadow(0 2px 3px #40342229);transition:transform .35s var(--spring)}
.tem-giay{fill:#efe7d6;stroke:#40342247;stroke-width:.6}
.tem-muc{fill:var(--teal)}
.tem-rong{fill:none;stroke:#343b36a6;stroke-width:2.2;stroke-dasharray:5 4}
.tem-so text{text-anchor:middle;fill:#efe7d6;font-family:var(--serif);font-weight:600}
.tem-num{letter-spacing:-2px;font-variant-numeric:lining-nums}
.tem-foot{font-size:10.5px;letter-spacing:.5px;opacity:.92}
.rests{display:inline-flex;gap:5px}
.rests i{width:16px;height:20px;border-radius:2px;background:url(assets/stamp-2.jpg) center/cover;box-shadow:0 1px 2px #343b3640}
.rests i.used{background:none;box-shadow:none;border:1.3px dashed #343b3666}

/* thẻ luật dưới tem */
.stc{position:fixed;z-index:60;width:340px;padding:20px 20px 14px;border-radius:20px;background:var(--paper);box-shadow:var(--lift);opacity:0;transform:translateY(-6px);transition:opacity .2s,transform .35s var(--spring)}
.stc.on{opacity:1;transform:none}
.stc h3{margin:0 0 12px;font:400 24px/1.1 var(--serif);letter-spacing:-.03em}
.stc ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.stc li{display:grid;grid-template-columns:1fr auto;column-gap:10px;align-items:center}
.stc li b{grid-column:1;font-weight:500;font-size:14px;line-height:1.3}
.stc li span:not(.rests){grid-column:1;font-size:13px;line-height:1.4;color:var(--muted)}
.stc li .rests{grid-column:2;grid-row:1/3}
.stc-rem{display:flex;align-items:center;gap:8px;margin:14px 0 0;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.stc-rem .ic{color:var(--teal)}
.stc-rem button{margin-left:auto;color:var(--ink);font-weight:500;text-decoration:underline;text-underline-offset:3px}

/* màn tới nơi: tem với số ngày mới */
.st-arr{display:flex;gap:14px;align-items:center;margin:0 0 12px;padding:12px 14px;border-radius:14px;box-shadow:0 0 0 1px var(--line)}
.st-arr .tem-so{width:50px;height:50px;flex:none;animation:temIn .7s var(--spring) both .25s}
.st-arr b{display:block;font:400 19px/1.15 var(--serif);letter-spacing:-.02em}
.st-arr small{display:block;margin-top:3px;font-size:12.5px;line-height:1.4;color:var(--muted)}
@keyframes temIn{from{transform:scale(1.8) rotate(-12deg);opacity:0}60%{opacity:1}to{transform:none}}

/* thông báo của máy (mock): extension gọi chrome.notifications, máy vẽ khung này ở góc phải trên */
.osn{position:fixed;right:16px;top:16px;z-index:120;width:360px;display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:start;padding:12px 14px;border-radius:16px;background:#f3f1ecf0;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 0 0 .5px #0000002e,0 10px 30px -8px #0000004d;font:13px/1.35 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#1d1d1f;opacity:0;transform:translateX(30px);transition:opacity .3s,transform .5s var(--spring)}
.osn.on{opacity:1;transform:none}
.osn-ic{width:38px;height:38px;border-radius:9px;background:#fff;padding:5px;box-shadow:0 0 0 .5px #0000001f}
.osn-t b{display:block;font-weight:600}
.osn-t span{display:block}
.osn-t small{display:block;margin-top:3px;font-size:11.5px;color:#6e6e73}
.osn time{font-size:11.5px;color:#6e6e73}
.pay-note{position:fixed;left:50%;bottom:22px;z-index:21;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);margin:0;padding:10px 16px;border-radius:14px;background:var(--paper);box-shadow:0 0 0 1px var(--line);text-align:center;font-size:13px;line-height:1.4;color:#a8402f}
.pay-note button{text-decoration:underline;text-underline-offset:3px;color:inherit}

/* ---------- hộp thoại giữa màn ---------- */
.xm{position:fixed;inset:0;z-index:95;display:grid;place-items:center;padding:16px;background:#343b3633;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;transition:opacity .25s}
.xm.on{opacity:1}
.xm-card{position:relative;width:min(420px,100%);max-height:calc(100vh - 32px);overflow:auto;background:var(--paper);border-radius:24px;box-shadow:var(--lift);padding:26px 26px 22px;transform:translateY(14px) scale(.97);transition:transform .45s var(--spring)}
.xm.on .xm-card{transform:none}
.xm-card h3{margin:0 0 10px;font:400 28px/1.08 var(--serif);letter-spacing:-.035em}
.xm-card p{margin:0 0 12px;font-size:14.5px;line-height:1.5;color:#343b36d9}
.xm-card .row{display:flex;gap:10px;margin-top:20px}
.xm-card .row .btn{flex:1;padding:14px 16px}
.btn.danger{background:#a8402f;border-color:#a8402f}
.xm-x{position:absolute;right:14px;top:14px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
.xm-x:hover{background:#343b360d;color:var(--ink)}

/* toast dưới đáy (cùng khuôn thanh Undo) */
.xtoast{position:fixed;left:50%;bottom:28px;z-index:99;max-width:calc(100% - 28px);padding:16px 20px;border-radius:14px;background:var(--ink);color:var(--paper);font-size:13.5px;box-shadow:0 10px 26px #0005;transform:translate(-50%,24px);opacity:0;pointer-events:none;transition:transform .35s var(--out),opacity .25s}
.xtoast.on{transform:translate(-50%,0);opacity:1}

/* ---------- checklist lần đầu (khuôn ảnh b-setup) ---------- */
.steps li.later{opacity:.55}
.steps .row2{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.steps .row2 .btn{padding:10px 16px;font-size:13.5px}
.steps input.name{margin-top:8px;width:100%;height:40px;padding:0 12px;border-radius:10px;border:0;box-shadow:inset 0 0 0 1px var(--line2);background:#fff;font:inherit;font-size:14.5px;color:var(--ink);outline:none}
.steps input.name:focus{box-shadow:inset 0 0 0 1.5px var(--ink)}
.cities{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.sheet .act{background:none;font-size:13px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}

/* thư đã gửi */
.mailsent{display:flex;gap:14px;align-items:flex-start;margin:6px 0 4px}
.mailsent .ic{margin-top:4px;color:var(--teal)}
.mailsent p{margin:0;font-size:14.5px;line-height:1.5}
.field{width:100%;height:48px;margin:12px 0 12px;padding:0 16px;border-radius:14px;border:0;box-shadow:inset 0 0 0 1px var(--line2);background:#fff;font:inherit;font-size:15px;color:var(--ink);outline:none}
.field:focus{box-shadow:inset 0 0 0 1.5px var(--ink)}

/* ---------- cổng Lock in khi extension chưa sẵn ---------- */
.ext.warn{background:#d5564b14}
.ext.warn .ic{color:var(--coral)}
.ext.warn .ext-go{margin-left:auto;flex:none;padding:8px 14px;border-radius:20px;background:var(--ink);color:var(--paper);font-size:13px}
.ext.shake{animation:shake .16s 2}

/* ---------- trong chuyến: ốc dừng vì extension tắt / mất mạng ---------- */
.hud-warn{position:fixed;left:50%;top:84px;z-index:44;display:flex;align-items:center;gap:12px;max-width:min(460px,calc(100% - 24px));padding:12px 16px;border-radius:14px;background:var(--paper);box-shadow:var(--lift);font-size:13.5px;line-height:1.4;transform:translate(-50%,-10px);opacity:0;pointer-events:none;transition:opacity .3s,transform .4s var(--spring)}
.hud-warn.on{transform:translate(-50%,0);opacity:1;pointer-events:auto}
.hud-warn .ic{color:var(--coral)}
body[data-paused] .hud{box-shadow:0 0 0 2px var(--coral)}
.hud-lock{cursor:pointer}

/* byline dưới tiêu đề bài */
.reader .r-by{margin:-10px 0 22px!important;font:400 13.5px/1.4 var(--sans)!important;color:var(--muted)!important}

/* ---------- reader: lỗi media + nút tua/tốc độ + transcript ---------- */
.r-err{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0 0 22px;padding:20px 20px 18px;border-radius:16px;background:#343b360a;box-shadow:inset 0 0 0 1px var(--line)}
.r-err .ic{grid-row:span 2;margin-top:3px;color:var(--coral)}
.r-err b{font-weight:600;font-size:15.5px}
.r-err p{grid-column:2;margin:0!important;font:400 14.5px/1.5 var(--sans)!important;color:var(--muted)!important}
.r-err .row{grid-column:2;display:flex;gap:8px;margin-top:12px}
.r-err .row .btn{padding:11px 18px;font-size:14px}
.ap-j{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:var(--paper);flex:none}
.ap-j:hover{background:#f5f1e714}
.ap-j .ic{background:var(--paper)}
.ap-rate{flex:none;min-width:44px;height:28px;padding:0 8px;border-radius:14px;box-shadow:inset 0 0 0 1px #f5f1e740;color:var(--paper);font-size:12.5px;font-variant-numeric:tabular-nums}
.ap-rate:hover{background:#f5f1e714}
.tx p{color:#343b36e6!important;margin-bottom:10px!important}
.tx-note{margin:14px 0 0!important;font:400 12.5px var(--sans)!important;color:var(--muted)!important}
.hl-pill{cursor:pointer;border:0}
mark.hl{cursor:pointer}

/* ---------- tới nơi lần đầu: hỏi nhắc ngày mai (chốt 19/10) ---------- */
.remind{display:flex;gap:12px;align-items:flex-start;margin:0 0 16px;padding:14px;border-radius:14px;background:#dae8df99}
.remind .ic{margin-top:2px;color:var(--teal)}
.remind b{display:block;font-weight:500;font-size:14px;line-height:1.35}
.remind small{display:block;margin-top:2px;font-size:12.5px;line-height:1.4;color:var(--muted)}
.remind .row{display:flex;gap:8px;margin-top:10px}
.remind .row button{padding:8px 14px;border-radius:18px;font-size:13px}
.remind .row .yes{background:var(--ink);color:var(--paper)}
.remind .row .no{color:var(--muted)}

/* ---------- trả tiền ---------- */
.pay p{margin:2px 0 0;font-size:15px;line-height:1.5;color:#343b36d9}
.pay .fine{margin:14px 0 0;font-size:12px;line-height:1.55;color:var(--muted);text-align:center}
.pay .fine a{color:inherit;text-underline-offset:2px}
.pay .btn.wide{margin-top:20px}

/* bài không tải được: mờ đi, không chọn được, lý do thay cho dòng phụ */
.lib li.bad .item{cursor:default}
.lib li.bad .item img,.lib li.bad .item b{opacity:.45}
.lib li.bad .tick{visibility:hidden}
.lib li.bad .item:hover{background:none}
.lib .why{display:inline-flex;align-items:center;gap:6px;color:#a8402f}
.lib .why .ic{width:13px;height:12px}
.lib li.nope{animation:shake .16s 2}
.xpop .xwarn{display:flex;gap:10px;margin:0 0 4px;font:400 13px/1.45 var(--sans);letter-spacing:0;color:#a8402f}
.xpop .xwarn .ic{flex:none;margin-top:2px}
.pco{width:min(440px,100%);background:#fff;border-radius:16px;box-shadow:var(--lift);overflow:hidden}
.pco-h{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #0000000f;font-size:13px;color:#6b7470}
.pco-h b{color:#1d2420;font-size:15px;font-weight:600}
.pco-b{padding:20px}
.pco-line{display:flex;justify-content:space-between;font-size:14px;color:#1d2420;padding:6px 0}
.pco-line.t{border-top:1px solid #0000000f;margin-top:8px;padding-top:12px;font-weight:600}
.pco-ph{margin:16px 0;padding:22px 16px;border-radius:10px;border:1.5px dashed #0000001f;text-align:center;font-size:13px;line-height:1.5;color:#6b7470}
.pco .btn{width:100%}

/* ---------- Settings ---------- */
.set{list-style:none;margin:6px 0 0;padding:0}
.set li{display:grid;grid-template-columns:1fr auto;gap:2px 14px;align-items:center;padding:13px 0;border-top:1px solid var(--line)}
.set li:first-child{border-top:0}
.set b{font-weight:500;font-size:14.5px}
.set small{grid-column:1;font-size:13px;line-height:1.4;color:var(--muted)}
.set small.bad{color:#a8402f}
.set .act{grid-row:1 / span 2;grid-column:2;font-size:13.5px;color:var(--ink);text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
.set input.name{grid-column:1 / -1;margin-top:6px;height:38px;padding:0 12px;border-radius:10px;border:0;box-shadow:inset 0 0 0 1.5px var(--ink);background:#fff;font:inherit;font-size:14.5px;outline:none}
.rtime{grid-column:1 / -1;display:flex;align-items:center;gap:10px;margin-top:8px;font-size:13.5px;color:var(--muted)}
.rtime input,.tinline{font:inherit;color:var(--ink);background:#fff;border:0;border-radius:8px;box-shadow:inset 0 0 0 1px var(--line2);padding:4px 8px}
.tinline{font-weight:500;font-size:14px;padding:1px 6px;margin:0 2px}
.tog{grid-row:1 / span 2;grid-column:2;position:relative;width:44px;height:26px;border-radius:13px;background:#343b3626;transition:background .2s}
.tog:after{content:'';position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transition:transform .25s var(--spring)}
.tog[aria-checked=true]{background:var(--teal)}
.tog[aria-checked=true]:after{transform:translateX(18px)}
.set-acts{display:grid;gap:2px;margin:14px 0 0;padding-top:10px;border-top:1px solid var(--line)}
.set-acts button{display:flex;align-items:center;gap:12px;padding:10px 0;font-size:14.5px;text-align:left}
.set-acts .ic{color:var(--muted)}
.set-acts .del{color:#a8402f}
.set-foot{display:flex;flex-wrap:wrap;gap:6px 14px;margin:14px 0 0;font-size:12px}
.set-foot a{color:var(--muted);text-decoration:none}
.set-foot a:hover{text-decoration:underline}

/* ---------- trang bị chặn (trang của extension) ---------- */
.bw-page.blocked{display:grid;place-items:center;padding:0;background:var(--sky)}
.blk{text-align:center;max-width:460px;padding:0 20px}
.blk img{width:120px;margin:0 auto 18px}
.blk h1{font:400 40px/1.05 var(--serif)!important;letter-spacing:-.04em;margin:0 0 14px!important;color:var(--ink)}
.blk h1 em{color:var(--coral)}
.blk p{font:400 15px/1.5 var(--sans)!important;color:#343b36d9!important;margin:0 0 22px!important}

/* ---------- streak mất ---------- */
.lost-snail{width:96px;margin:0 0 14px}

/* ---------- công cụ review (chỉ khi ?scene hoặc ?review) ---------- */
.rv{position:fixed;right:12px;bottom:12px;z-index:200;font:12.5px/1.3 var(--sans);color:var(--paper)}
.rv>button{padding:8px 12px;border-radius:10px;background:#1d2420e6;color:var(--paper)}
.rv-p{display:none;position:absolute;right:0;bottom:calc(100% + 8px);width:280px;max-height:70vh;overflow:auto;padding:12px;border-radius:12px;background:#1d2420f2;box-shadow:0 10px 30px #0006}
.rv.open .rv-p{display:block}
.rv-p h4{margin:10px 0 6px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#f5f1e78c}
.rv-p h4:first-child{margin-top:0}
.rv-p .g{display:flex;flex-wrap:wrap;gap:4px}
.rv-p button{padding:5px 9px;border-radius:7px;background:#f5f1e71a;color:var(--paper);font-size:12px}
.rv-p button.on{background:var(--paper);color:var(--ink)}
.rv-p a{color:#9fd3c7}
.rv-p select{width:100%;height:32px;border-radius:7px;border:0;padding:0 8px;background:#f5f1e7;color:#343b36;font:13px var(--sans)}

@media (max-width:760px){
  .legal{left:18px;bottom:14px}
  .acct{right:auto;left:62px;top:14px;width:34px;height:34px}
  #streakSlot{right:auto;left:104px;top:14px}
  .tem-so{width:42px;height:42px}
  .stc{width:calc(100% - 32px)}
  .hero .signin{max-width:360px;margin:0 auto;flex-direction:column}
  .hero .signin .btn{width:100%}
  .hud-warn{top:64px}
  .xm{place-items:end center;padding:0}
  .xm-card{border-radius:24px 24px 0 0;width:100%;padding:24px 20px calc(22px + env(safe-area-inset-bottom))}
}

/* 21/10 m bắt "lòi chữ": tên bài dài tràn khỏi thẻ tới nơi; thanh giờ/km đè thanh tab ở màn tới nơi (số đã có trong thẻ) */
.learned li>span{min-width:0}
body[data-step=arrived] .hud{opacity:0;pointer-events:none;transform:translate(-50%,-20px)}

/* ---------- highlight + note + nhãn (21/10): khuôn app iOS, chrome chỉ có mực ---------- */
#reader ::selection{background:#343b3629}
mark.hl.noted{text-decoration:underline;text-decoration-color:var(--ink);text-decoration-thickness:1.5px;text-underline-offset:4px}
.hl-pill4{position:absolute;z-index:6;display:flex;width:250px;border-radius:22px;background:var(--ink);box-shadow:0 12px 24px -12px #343b36cc;overflow:hidden}
.hl-pill4:after{content:'';position:absolute;left:50%;bottom:-5px;width:10px;height:10px;margin-left:-5px;background:var(--ink);transform:rotate(45deg)}
.hl-pill4 button{flex:1;padding:10px 0;color:var(--paper);font:500 13.5px var(--sans);text-align:center}
.hl-pill4 button+button{border-left:1px solid #f5f1e726}
.hl-pill4 button:hover{background:#f5f1e714}
.ncard{position:absolute;z-index:6;width:min(380px,calc(100% - 24px));padding:14px 16px 10px;border-radius:16px;background:#fffdf8;box-shadow:0 0 0 1px var(--line),0 18px 40px -18px #343b3699;font-family:var(--sans)}
.ncard:before{content:'';position:absolute;left:50%;top:-6px;width:11px;height:11px;margin-left:-5px;background:#fffdf8;transform:rotate(45deg);box-shadow:-1px -1px 0 var(--line)}
.ncard .ntext{margin:0!important;font:400 15px/1.5 var(--sans)!important;color:var(--ink)!important;cursor:text;white-space:pre-wrap}
.ncard .ntext.empty{color:var(--muted)!important}
.ncard textarea{width:100%;min-height:72px;resize:vertical;border:0;outline:none;background:none;font:400 15px/1.5 var(--sans);color:var(--ink);padding:0}
.ntags{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
.ntags.ro{cursor:text}
.ntag{display:inline-flex;align-items:center;gap:4px;height:26px;padding:0 10px;border-radius:13px;box-shadow:inset 0 0 0 1px var(--line2);font-size:12.5px;color:var(--ink)}
.ntag button{width:16px;height:16px;margin-right:-4px;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
.ntag button:hover{background:#343b360f;color:var(--ink)}
.ntag .i-x{width:7px;height:7px}
.ntags input{flex:1;min-width:120px;height:26px;border:0;outline:none;background:none;font:400 13px var(--sans);color:var(--ink)}
.nsug{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:8px;font-size:12px;color:var(--muted)}
.nsug button{height:24px;padding:0 9px;border-radius:12px;background:#343b360d;font-size:12px;color:var(--ink)}
.nsug button:hover{background:#343b361a}
.nfoot{display:flex;justify-content:flex-end;align-items:center;gap:4px;margin-top:8px}
.nfoot .btn{padding:9px 18px;font-size:13.5px}
.nfoot>button:not(.btn){padding:6px 10px;border-radius:10px;font-size:13.5px;color:var(--ink)}
.nfoot>button:not(.btn):hover{background:#343b360d}
.nmore .i-dots{display:inline-block;width:15px;height:5px;vertical-align:middle}

/* Library: tầng 2 chip tác giả (tem tròn + badge số), cùng khuôn cho hàng nhãn ở Highlights */
.liba{display:flex;gap:6px;overflow-x:auto;margin:2px -4px 10px;padding:4px;scrollbar-width:none}
.liba::-webkit-scrollbar{display:none}
.achip{position:relative;flex:none;display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px 0 4px;border-radius:18px;box-shadow:inset 0 0 0 1px var(--line2);font-size:13px;color:var(--ink);white-space:nowrap}
.achip.tag{padding-left:12px}
.achip img{width:26px;height:26px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 1px var(--line)}
.achip i{position:absolute;right:-3px;top:-4px;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:var(--paper);box-shadow:0 0 0 1px var(--line2);font:600 10.5px/17px var(--sans);font-style:normal;text-align:center;color:var(--ink)}
.achip:hover{background:#343b360a}
.achip.on{background:var(--ink);color:var(--paper);box-shadow:none}

/* sổ Highlights: % ở lề trái căn phải, câu trích chữ có chân, note không nghiêng, không nền vàng (khuôn Notebook app) */
.libpage .nb-h{margin:20px 0 6px;font:400 19px/1.25 var(--serif);letter-spacing:-.02em;text-transform:none;color:var(--ink)}
.libpage .nb-h small{display:block;margin:2px 0 0;font:400 12.5px var(--sans);letter-spacing:0;color:var(--muted)}
.nb{list-style:none;margin:0 0 6px;padding:0}
.nb li{display:grid;grid-template-columns:40px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.nb .pct{text-align:right;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:3px}
.nb blockquote{margin:0;font:400 16.5px/1.5 var(--serif);color:var(--ink)}
.nb-note{margin:6px 0 0;font-size:14px;line-height:1.45;color:#343b36d9}
.nb-tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0}
.nb-tags button{height:24px;padding:0 9px;border-radius:12px;box-shadow:inset 0 0 0 1px var(--line2);font-size:12px;color:var(--ink)}
.nb-tags button:hover{background:#343b360a}

/* Home: bỏ dòng "0 of 195 countries · 31 km so far" (m 21/10: "sao lại có cái ni ở đây ko hiểu") */
#tally{display:none!important}

/* Leaderboard gọn (21/10): hai tab · một dòng của m · câu vượt · bảng tên + km */
.lbseg{display:inline-flex;padding:3px;border-radius:20px;background:#343b360f}
.lbseg button{padding:7px 16px;border-radius:17px;font-size:13.5px;color:var(--muted)}
.lbseg button[aria-selected=true]{background:var(--paper);color:var(--ink);box-shadow:0 1px 4px #343b3626}
.lbme{display:flex;align-items:baseline;gap:12px;margin:16px 0 0}
.lbme b{font:400 44px/1 var(--serif);letter-spacing:-.04em;font-weight:400}
.lbme span{font-size:14.5px;color:var(--muted)}
#lbcard .lbt li{grid-template-columns:26px 1fr auto}
#lbcard .lbt .gap{padding-left:44px}

/* tấm chọn bài gọn (21/10) */
body[data-step=learn] .sheet .ext:not(.warn){display:none}
.sheet .sum{position:relative}
.timebtn{cursor:pointer;border-radius:12px;padding:2px 6px;margin:-2px -6px}
.timebtn:hover{background:#343b360a}
.timebtn:focus-visible{outline:2px solid var(--teal)}
.timebtn .caret{width:9px;height:13px;margin-left:2px;transform:rotate(-90deg);background:var(--muted);align-self:center}
.timepop{position:absolute;left:-10px;bottom:calc(100% + 8px);z-index:3;padding:12px 14px;border-radius:16px;background:var(--paper);box-shadow:var(--lift)}
.timepop .chips{margin:0}
.badbox{margin:6px 0 0}
.badbox summary{cursor:pointer;padding:8px;font-size:13px;color:var(--muted);list-style:none}
.badbox summary::-webkit-details-marker{display:none}
.badbox summary:before{content:'›';display:inline-block;margin-right:8px;transition:transform .2s}
.badbox[open] summary:before{transform:rotate(90deg)}
.badbox .lib{max-height:none}
.sheet .lockbtn{margin-top:14px}

/* ---------- Feed (tab 4, 21/10) · khuôn feed-spec app: sạp phẳng, khung nâng, bìa ảnh gốc ---------- */
.i-video{--m:url(assets/icons/video.png);width:13px;height:10px}
.i-wave{--m:url(assets/icons/waveform.png);width:13px;height:12px}
.i-doc{--m:url(assets/icons/doc.png);width:11px;height:13px}
.feedpage{position:fixed;left:28px;top:92px;bottom:24px;width:min(640px,50vw);z-index:22;background:var(--paper);border-radius:24px;box-shadow:var(--lift);padding:30px 32px;overflow:auto;
  opacity:0;transform:translateX(-30px);pointer-events:none;transition:opacity .35s,transform .6s var(--out);scrollbar-width:thin}
body[data-step=feed] .feedpage{opacity:1;transform:none;pointer-events:auto}
.feedpage .lp-top{justify-content:flex-start}
.feedpage .lp-top .back{margin-left:-8px}
#topnav [data-tab].bump{animation:fbump .45s var(--spring)}
@keyframes fbump{40%{transform:translateY(-4px) scale(1.06)}}

/* chip tầng 1 (loại, badge đè góc) + chip Following cuối hàng */
.fchips{display:flex;gap:8px;overflow-x:auto;margin:0 -6px 10px;padding:6px;scrollbar-width:none}
.fchips::-webkit-scrollbar{display:none}
.fchip{position:relative;flex:none;display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:18px;background:#fffdf8;box-shadow:inset 0 0 0 1px var(--line2);font-size:13.5px;color:var(--ink);white-space:nowrap}
.fchip i{position:absolute;right:-5px;top:-6px;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:var(--ink);color:var(--paper);box-shadow:0 0 0 1.5px var(--paper);font:600 10.5px/17px var(--sans);font-style:normal;text-align:center}
.fchip.on{background:var(--ink);color:var(--paper);box-shadow:none}
.fchip.on i{background:var(--paper);color:var(--ink);box-shadow:0 0 0 1.5px var(--ink)}
.fchip.follow{padding-left:8px;gap:7px}
.fchip.follow .ic{width:7px;height:11px;opacity:.7}
.fstack{display:inline-flex}
.fstack img{width:19px;height:19px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 1.5px #fffdf8;background:#fff}
.fstack img+img{margin-left:-5px}

/* tầng 2: kênh = ảnh tròn 42 + badge, không tên; đang chọn = vòng mực, kênh khác mờ */
.fchan{display:flex;gap:12px;margin:0 0 12px;padding:4px 2px}
.fav{position:relative;width:42px;height:42px;border-radius:50%;flex:none}
.fav img{width:42px;height:42px;border-radius:50%;object-fit:cover;background:#fff;box-shadow:0 0 0 1px var(--line)}
.fav i{position:absolute;right:-4px;top:-4px;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:var(--ink);color:var(--paper);box-shadow:0 0 0 1.5px var(--paper);font:600 10.5px/17px var(--sans);font-style:normal;text-align:center}
.fav.on img{box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--ink)}
.fchan.picked .fav:not(.on){opacity:.5}

/* hàng = khung nâng: bóng ngăn hàng, không đường kẻ */
.frows{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.frow{position:relative;display:grid;grid-template-columns:auto 1fr;grid-template-areas:'open open' 'meta pill';column-gap:14px;padding:12px;border-radius:13px;background:#fffdf8;box-shadow:0 0 0 1px var(--line),0 6px 16px -10px #343b3666;
  transition:opacity .35s,transform .4s var(--out),max-height .4s .1s,padding .4s .1s,margin .4s .1s;max-height:260px}
.frow.leaving{opacity:0;transform:translateX(-20px);max-height:0;padding-block:0;margin-block:-6px;overflow:hidden}
.fopen{grid-area:open;display:grid;grid-template-columns:92px 1fr;gap:14px;align-items:start;text-align:left}
.fcov{position:relative;width:92px;height:70px}
.fcov>img:first-child{width:92px;height:70px;border-radius:9px;object-fit:cover;box-shadow:inset 0 0 0 1px #0000001a}
.fmin{position:absolute;left:5px;bottom:5px;padding:2px 6px;border-radius:7px;background:#1d2420b3;color:#fff;font:600 9.5px/1.3 var(--sans);font-style:normal}
.fstamp{position:absolute;right:-8px;bottom:-8px;width:26px;height:26px;border-radius:50%;object-fit:cover;background:#fff;box-shadow:0 0 0 2px #fffdf8}
.ftxt b{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font:600 16.5px/1.28 var(--serif);letter-spacing:-.01em;color:var(--ink)}
.fopen:hover .ftxt b{text-decoration:underline;text-decoration-color:var(--line2);text-underline-offset:3px}
.fmeta{grid-area:meta;align-self:center;display:flex;align-items:center;gap:6px;margin-top:10px;font-size:11.5px;color:var(--muted);min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fmeta .ic{flex:none}
.fsave{grid-area:pill;position:relative;justify-self:end;margin-top:10px;height:28px;padding:0 12px;border-radius:15px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line2);font:600 11.5px var(--sans);color:var(--ink);white-space:nowrap}
.fsave .done{display:none;align-items:center;gap:5px}
.fsave svg{display:none}
.fsave.saved{background:var(--ink);color:var(--paper);box-shadow:none;padding-left:30px}
.fsave.saved .plus{display:none}
.fsave.saved .done{display:inline-flex}
.fsave.saved .done .ic{display:none}
.fsave.saved svg{display:block;position:absolute;left:6px;top:50%;width:18px;height:18px;margin-top:-9px;fill:none;stroke:#f5f1e7;stroke-width:3;transform:rotate(-90deg)}
.fsave.saved svg circle{stroke-dasharray:94.25;stroke-dashoffset:94.25;animation:fring 1.5s linear forwards}
@keyframes fring{to{stroke-dashoffset:0}}
.fflight{position:fixed;z-index:120;border-radius:9px;object-fit:cover;pointer-events:none;box-shadow:0 10px 24px -10px #000a}

/* sạp trống: một vật, con hòm thư (feed-spec 01/09) */
.fempty{display:flex;flex-direction:column;align-items:center;text-align:center;padding:40px 0 20px}
.fempty img{width:150px;margin-bottom:18px}
.fempty p{margin:0;font-size:14px;line-height:1.5;color:var(--muted)}
.fempty p.q{margin-bottom:6px;font:400 22px/1.2 var(--serif);color:var(--ink)}

/* Following: danh bạ */
.fgroup{margin:18px 0 6px;font:italic 400 15px var(--serif);color:var(--muted)}
.flw{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.flw li{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;padding:10px 12px;border-radius:13px;background:#fffdf8;box-shadow:0 0 0 1px var(--line)}
.flw img{width:44px;height:44px;border-radius:50%;object-fit:cover;background:#fff;box-shadow:0 0 0 1px var(--line)}
.flw b{display:block;font:500 16px/1.25 var(--serif)}
.flw small{display:block;margin-top:2px;font-size:12px;color:var(--muted)}
.fpill{display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 13px;border-radius:16px;background:#fff;box-shadow:inset 0 0 0 1px var(--line2);font:600 12px var(--sans);color:var(--ink)}
.fpill.on{background:var(--ink);color:var(--paper);box-shadow:none}
.fpill .i-check{width:10px;height:9px}
.xpop .fnote{margin:-4px 0 12px;font:400 12.5px/1.45 var(--sans);letter-spacing:0;color:var(--muted)}

@media (max-width:760px){
  .feedpage{left:0;right:0;top:66px;bottom:0;width:auto;border-radius:22px 22px 0 0;padding:22px 16px}
}

/* ốc ma (21/10): con ốc mờ trên đường thay cho tem chữ; bấm vào thì nảy + bong bóng thoại */
.pin.home.gsnail{pointer-events:auto;z-index:2}
.pin.home.gsnail .in{transform:translate(-50%,-100%)}
.pin.home.gsnail .tag{display:block;padding:0;background:none;box-shadow:none;overflow:visible}
.gs{display:block;width:58px;padding:0;cursor:pointer;animation:gwig 2.6s ease-in-out infinite;animation-delay:var(--d)}
.gs img{width:58px;filter:grayscale(.7) contrast(.9);opacity:.62;transition:opacity .2s,filter .2s}
.pin.gsnail.behind .gs img{opacity:.38}
.gs:hover img,.pin.gsnail.talk .gs img{opacity:.95;filter:grayscale(.15)}
.gs.boing{animation:gboing .7s var(--spring)}
@keyframes gwig{0%,100%{transform:translateX(0) rotate(0)}50%{transform:translateX(3px) rotate(-2deg)}}
@keyframes gboing{0%{transform:none}25%{transform:scaleY(.8) scaleX(1.12)}50%{transform:translateY(-16px) scaleY(1.08)}75%{transform:translateY(0) scaleY(.9)}100%{transform:none}}
.gbub{position:absolute;left:50%;bottom:calc(100% + 6px);transform:translate(-50%,6px) scale(.9);transform-origin:50% 100%;width:max-content;max-width:220px;padding:10px 12px;border-radius:14px;background:var(--paper);box-shadow:0 0 0 1px var(--line),0 12px 28px -12px #343b3699;
  font:400 13px/1.35 var(--sans);color:var(--ink);white-space:normal;text-align:left;opacity:0;pointer-events:none;transition:opacity .2s,transform .35s var(--spring)}
.gbub:after{content:'';position:absolute;left:50%;bottom:-5px;width:10px;height:10px;margin-left:-5px;background:var(--paper);transform:rotate(45deg);box-shadow:1px 1px 0 var(--line)}
.gbub b{font-weight:600}
.gbub small{display:block;margin-top:3px;font-size:12.5px;color:var(--muted)}
.gcta{display:inline-flex;margin-top:8px;padding:6px 12px;border-radius:14px;background:var(--ink);color:var(--paper);font-size:12.5px;font-weight:500;cursor:pointer}
.pin.gsnail.talk .gbub{opacity:1;transform:translate(-50%,0) scale(1);pointer-events:auto}
.pin.gsnail.talk{z-index:5}
@media (prefers-reduced-motion:reduce){.gs{animation:none}}
/* bong bóng ốc ma phải nằm trên ốc của m: nâng cả sân khấu ghim khi đang mở bong bóng */
body.gtalk #stage{z-index:30}
.gbub b:before{display:none!important}
/* số nước trong bảng: tem tí hon + số, ngay sau tên (21/10) */
#lbcard .lbt li{grid-template-columns:26px auto 1fr auto}
#lbcard .lbt .lc{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
#lbcard .lbt .lc i{width:10px;height:12px;border-radius:1.5px;background:url(assets/stamp-2.jpg) center/cover;box-shadow:0 1px 2px #343b3640}
#lbcard .lbt .me .lc{color:#f5f1e7b3}
#lbcard .lbt .km small{font-size:11px;color:var(--muted)}
#lbcard .lbt .me .km small{color:#f5f1e7a6}

/* Feed gọn lại (21/10, m: "xấu ghê", "bị to bị rộng"): khung hẹp hơn, chip/bìa/chữ nhỏ một bậc, hàng sát hơn */
.feedpage{width:min(500px,42vw);padding:24px 22px}
.feedpage .lp-top{margin-bottom:10px}
.feedpage .lp-top h2{font-size:30px}
.fchips{gap:6px;margin:0 -6px 6px}
.fchip{height:28px;padding:0 11px;font-size:12.5px}
.fchip.follow{padding-left:6px;gap:5px}
.fstack img{width:16px;height:16px}
.fchip i,.fav i{min-width:15px;height:15px;font-size:9.5px;line-height:15px;top:-5px;right:-4px}
.fchan{gap:10px;margin-bottom:8px}
.fav,.fav img{width:34px;height:34px}
.frows{gap:8px}
.frow{padding:10px;border-radius:11px;column-gap:12px}
.fopen{grid-template-columns:76px 1fr;gap:12px}
.fcov{width:76px;height:58px}
.fcov>img:first-child{width:76px;height:58px;border-radius:8px}
.fmin{font-size:9px;left:4px;bottom:4px;padding:1px 5px}
.fstamp{width:22px;height:22px;right:-7px;bottom:-7px}
.ftxt b{font-size:14.5px;line-height:1.3}
.fmeta{margin-top:8px;font-size:11px}
.fsave{margin-top:8px;height:26px;padding:0 10px;font-size:11px}
.fsave.saved{padding-left:28px}
.fempty img{width:120px}
.flw li{grid-template-columns:36px 1fr auto;gap:12px;padding:8px 10px}
.flw img{width:36px;height:36px}
.flw b{font-size:14.5px}
.fpill{height:26px;padding:0 11px;font-size:11.5px}
@media (max-width:760px){.feedpage{width:auto;padding:20px 14px}}
/* meta + nút Save nằm trong cột chữ, dưới tựa; bìa đứng trọn bên trái → thẻ thấp, không chừa khoảng trống */
.frow{grid-template-columns:76px 1fr auto;grid-template-areas:'cov title title' 'cov meta pill';grid-template-rows:1fr auto;column-gap:12px;row-gap:4px}
.fopen{display:contents}
.fcov{grid-area:cov}
.ftxt{grid-area:title;text-align:left;cursor:pointer}
.fmeta{margin-top:0;align-self:end}
.fsave{margin-top:0;align-self:end}

/* Feed khớp Library (21/10, m: "lộn xộn chỗ có khung", "2 cái này ko align"): cùng khung, cùng lề, hàng phẳng
   kiểu .lp (ảnh vuông 56 bo 10 · tựa sans 15/500 · dòng phụ 13 xám), không khung trắng từng hàng; chip có icon trước */
.feedpage{width:min(720px,52vw);padding:30px 36px}
.feedpage .lp-top h2{font-size:40px}
.feedpage .lp-top{margin-bottom:14px}
.fchips{gap:6px;margin:4px -6px 8px;padding:6px}
.fchip{height:32px;padding:0 13px;gap:7px;font-size:13.5px;background:none;box-shadow:inset 0 0 0 1px var(--line2)}
.fchip .ic{width:14px;height:12px;color:inherit}
.fchip.on{background:var(--ink);color:var(--paper);box-shadow:none}
.fchip.follow{padding-left:6px}
.fchip i,.fav i{min-width:16px;height:16px;line-height:16px;font-size:10px;top:-5px;right:-5px}
.fchan{gap:10px;margin:2px 0 10px 8px}
.fav,.fav img{width:36px;height:36px}
.frows{display:block;margin:0;padding:0;list-style:none}
.frow{display:grid;grid-template-columns:1fr auto;grid-template-areas:none;grid-template-rows:none;align-items:center;column-gap:10px;row-gap:0;padding:0;border-radius:14px;background:none;box-shadow:none;max-height:120px}
.frow:hover{background:#343b360a}
.fopen{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:center;padding:9px 8px;text-align:left;min-width:0}
.fcov{position:relative;grid-area:auto;width:56px;height:56px}
.fcov>img:first-child{width:56px;height:56px;border-radius:10px;object-fit:cover;box-shadow:none}
.fstamp{width:20px;height:20px;right:-6px;bottom:-6px;box-shadow:0 0 0 2px var(--paper)}
.ftxt{grid-area:auto;min-width:0}
.ftxt b{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font:500 15px/1.3 var(--sans);letter-spacing:0;color:var(--ink)}
.fopen:hover .ftxt b{text-decoration:none}
.ftxt small{display:flex;align-items:center;gap:6px;margin-top:3px;font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ftxt small .ic{flex:none}
.fsave{grid-area:auto;align-self:center;margin:0 8px 0 0;height:28px;padding:0 12px;font-size:12px}
.frow.leaving{margin-block:0}
@media (max-width:760px){.feedpage{width:auto;padding:22px 18px}}
.frow .fopen{grid-area:auto;grid-column:1}.frow .fsave{grid-column:2;grid-row:1}

/* paywall: mọi dòng canh trái cùng một mép, dòng nhỏ tách 2 câu ngắn (21/10, m: "loạn quá") */
.pay .fine{text-align:left;margin:10px 0 0}
.pay .fine+.fine{margin-top:2px}

/* bản Artifact: bìa + nút phát giả lập thay cho YouTube bị chặn */
.r-video .fake-cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.fake-play{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;background:#fffffff0;color:var(--ink);display:grid;place-items:center;box-shadow:0 10px 24px -8px #000a}
.fake-play .i-pause,.r-video.playing .fake-play .i-play{display:none}
.r-video.playing .fake-play .i-pause{display:inline-block}
.r-video.playing .fake-play{opacity:.55}
.reader p.review-note{margin:-10px 0 18px!important;padding:8px 12px;border-radius:10px;border:1px dashed #343b3640;font:400 12.5px/1.45 var(--sans)!important;color:var(--muted)!important}

/* ---------- tấm chọn bài: chip Read · Watch · Listen + xem trước (21/10) ---------- */
.sheet .kinds{display:flex;gap:6px;margin:2px 0 4px}
.sheet .lib li[hidden]{display:none}
.sheet .lib li.grp{display:block;max-height:none;padding:12px 8px 2px;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--muted)}
.sheet .lib li.grp:first-child{padding-top:4px}
.sheet .lib li[data-row]{flex-wrap:wrap}
.sheet .lib li.open{max-height:none}
.sheet .lib li.open .item{background:#343b360a}
.sheet .lib .tick{position:relative}
.sheet .lib .tick::before{content:"";position:absolute;inset:-10px;border-radius:50%}
.sheet .lib .peek{flex:none;box-sizing:border-box;width:100%;margin:2px 0 10px;padding:0 44px 0 74px;font-size:13.5px;line-height:1.5;color:var(--ink);opacity:.82;
  display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;animation:peekIn .22s var(--out) both}
@keyframes peekIn{from{opacity:0;transform:translateY(-4px)}}
@media (prefers-reduced-motion:reduce){.sheet .lib .peek{animation:none}}
@media (max-width:520px){.sheet .lib .peek{padding:0 8px}}

/* ---------- trình đọc: chế độ chỉ xem (21/10) ---------- */
body[data-step=view] .reader{transform:none;padding-bottom:0}
.reader .v-back{width:36px;height:36px;margin:-14px 0 10px -12px;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
.reader .v-back:hover{background:#343b360d;color:var(--ink)}
body[data-step=view] .r-meta span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body[data-step=view] .r-end:empty,body[data-step=view] .r-end:has(> span:only-child){display:none}
.v-bar{position:sticky;bottom:0;margin:28px -52px 0;padding:14px 52px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:linear-gradient(#f5f1e700,var(--paper) 22%);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.v-bar .btn{letter-spacing:0;text-transform:none}
.v-bar .btn{display:inline-flex;align-items:center;gap:8px;flex:none}
@media (max-width:640px){.v-bar{margin:24px -22px 0;padding:12px 22px 16px}}
/* transcript chạy theo video: đoạn đang nói đậm, đoạn khác lùi (21/10) */
.reader .tx p{transition:color .3s}
.reader .tx:has(p.now) p{color:#343b3680!important}
.reader .tx:has(p.now) p.now{color:var(--ink)!important}
/* có transcript thì video dính trên đầu khung đọc, chữ chạy bên dưới (21/10) */
.reader .r-video:has(~ .tx){position:sticky;top:0;z-index:3;overflow:visible;box-shadow:0 -60px 0 16px var(--paper),0 18px 14px 0 var(--paper)}
.reader .r-video:has(~ .tx) iframe{border-radius:14px}
.reader .r-audio:has(~ .tx){position:sticky;z-index:3;box-shadow:0 18px 14px 0 var(--paper)}

/* ---------- paywall: 3 bản thử (21/10) ---------- */
.i-globe{--m:url(assets/icons/globe.png);width:16px;height:16px}
.pay.pv .back{margin:-4px 0 6px -8px}
.pv-h{font:400 30px/1.12 var(--serif);letter-spacing:-.035em;margin:0 0 4px;color:var(--ink);text-wrap:balance}
.pv-sub{margin:8px 0 0!important;font-size:16px!important}
.pv-yr{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:0}
.pv-yr li{padding:13px 0;border-top:1px solid var(--line);font-size:16px;line-height:1.45;color:#343b36d9}
.pv-yr li:last-child{border-bottom:1px solid var(--line)}
.pv-yr b{font:400 22px/1 var(--serif);letter-spacing:-.02em;color:var(--coral);white-space:nowrap}
.pv-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:14px}
.pv-list li{display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:start;font-size:15px;line-height:1.45;color:#343b36d9}
.pv-list .ic{width:32px;height:32px;border-radius:50%;background:#343b360d;color:var(--ink);-webkit-mask:none;mask:none;display:grid;place-items:center;position:relative}
.pv-list .ic::after{content:"";width:16px;height:16px;background:currentColor;-webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat}
.pay.pv .fine{margin-top:12px}
.pv-h em{font-style:normal;color:var(--coral)}
.pv-rows{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:16px}
.pv-rows li{display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:start}
.pv-rows b{display:block;font-weight:600;font-size:15px;line-height:1.35;color:var(--ink)}
.pv-rows div span{display:block;margin-top:2px;font-size:14px;line-height:1.45;color:var(--muted)}
.pv-rows .ic{width:32px;height:32px;border-radius:50%;background:#343b360d;color:var(--ink);-webkit-mask:none;mask:none;display:grid;place-items:center}
.pv-rows .ic::after{content:"";width:16px;height:16px;background:currentColor;-webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat}
/* bài Substack đang tải (21/10) */
.reader p.r-loading{font:400 15px/1.5 var(--sans)!important;color:var(--muted)!important}
.reader .tx-status{margin:20px 0;font:400 15px/1.5 var(--sans);color:var(--muted)}
.tx-status .act,.r-loading .act{text-decoration:underline;text-underline-offset:3px;margin-left:6px;cursor:pointer}
.tx-status .act:disabled,.r-loading .act:disabled{opacity:.55;cursor:wait;text-decoration:none}

/* ---------- khung một việc nằm giữa màn (21/10, m: "mấy cái khung cứ nằm cuối cùng khó theo dõi… nằm giữa màn chứ") ----------
   Đăng nhập bằng email, đã gửi link, checklist lần đầu, paywall, và cả tấm chọn bài (m: "đang nằm tuốt ở dưới nè").
   Bản đồ dồn lên khoảng trống phía trên khung (boxFor trong extra.js). Điện thoại giữ tấm dưới đáy. */
@media (min-width:761px){
  body[data-step=where] .sheet{top:50%;bottom:auto;transform:translate(-50%,-50%);
    max-height:calc(100vh - 140px);overflow:auto;animation:sheetMid .5s var(--out) both}
}
@keyframes sheetMid{from{opacity:0;transform:translate(-50%,calc(-50% + 24px))}}
@media (prefers-reduced-motion:reduce){body[data-sub] .sheet{animation:none}}
/* màn đầu: dòng giá nằm dưới hai nút (21/10) */
.hero .signin .price{order:3;margin:2px 0 0;font-size:13px}
/* tấm chọn bài nằm giữa: thanh Undo + toast xuống sát đáy màn, không đè nút Lock in (21/10) */
@media (min-width:761px){
  body[data-step=learn] .undo{bottom:24px!important}
}
/* tấm chọn bài: cột trái, giữa theo chiều dọc, bản đồ (tuyến đi) bên phải. Cùng chỗ trình đọc mở ra khi Lock in (21/10).
   Đặt giữa màn thì tấm cao đè mất tuyến đi trên bản đồ (đã thử). */
@media (min-width:761px){
  body[data-step=learn] .sheet{left:28px;top:50%;bottom:auto;width:min(500px,calc(50vw - 40px));transform:translate(0,-50%);max-height:calc(100vh - 120px);overflow:auto;animation:sheetLeft .5s var(--out) both}
}
@keyframes sheetLeft{from{opacity:0;transform:translate(-24px,-50%)}}
@media (prefers-reduced-motion:reduce){body[data-step=learn] .sheet{animation:none}}

/* ---------- video to hơn (21/10) ---------- */
.i-expand{--m:url(assets/icons/expand.png);width:15px;height:14px}
.i-collapse{--m:url(assets/icons/collapse.png);width:15px;height:14px}
.r-meta{align-items:center}
.r-meta span+span{margin-left:auto}
.reader .r-wide{flex:none;width:32px;height:32px;margin:-8px -8px -8px auto;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
.r-meta span+span+.r-wide{margin-left:10px}
.reader .r-wide:hover{background:#343b360d;color:var(--ink)}
@media (min-width:761px){
  body.wide-reader .reader{width:min(1080px,calc(100vw - 56px))}
  body.wide-reader[data-step=trip] .reader{width:min(1080px,calc(100vw - 420px))}
}
.reader{transition:transform .8s var(--out),width .4s var(--out)}
@media (max-width:760px){.reader .r-wide{display:none}}
/* phóng to: video trái + transcript phải, để video to mà vẫn đọc theo được (21/10) */
@media (min-width:761px){
  body.wide-reader .reader .turn:has(.r-video ~ .tx){display:grid;grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);column-gap:32px;align-items:start}
  body.wide-reader .reader .turn:has(.r-video ~ .tx)>*{grid-column:1/-1}
  body.wide-reader .reader .turn:has(.r-video ~ .tx)>.r-video{grid-column:1;margin-bottom:0;top:12px;box-shadow:none}
  body.wide-reader .reader .turn:has(.r-video ~ .tx)>.review-note{grid-column:1}
  body.wide-reader .reader .turn:has(.r-video ~ .tx)>.tx{grid-column:2;margin-top:0}
}
/* xong danh sách mà còn giờ (21/10) */
.more-list{list-style:none;margin:14px 0 4px;padding:0;display:grid;gap:4px;text-align:left}
.more-list button{width:100%;display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:8px;border-radius:12px;text-align:left}
.more-list button:hover{background:#343b360a}
.more-list img{width:44px;height:44px;border-radius:9px;object-fit:cover}
.more-list b{display:block;font-weight:500;font-size:14px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.more-list small{display:block;margin-top:2px;font-size:12.5px;color:var(--muted)}
.more-list .add{font-size:13px;font-weight:600;color:var(--ink);padding:6px 12px;border-radius:16px;box-shadow:inset 0 0 0 1px var(--line2)}
/* toàn màn hình khung đọc (21/10): video trái to, transcript phải */
.tx-h span{white-space:nowrap}
#reader:fullscreen{position:fixed;inset:0;width:100vw;max-width:none;height:100vh;border-radius:0;transform:none;padding:28px 40px 0;background:var(--paper)}
#reader:fullscreen .turn:has(.r-video ~ .tx){display:grid;grid-template-columns:minmax(0,2.4fr) minmax(0,1fr);column-gap:36px;align-items:start}
#reader:fullscreen .turn:has(.r-video ~ .tx)>*{grid-column:1/-1}
#reader:fullscreen .turn:has(.r-video ~ .tx)>.r-video{grid-column:1;margin-bottom:0;top:0;box-shadow:none}
#reader:fullscreen .turn:has(.r-video ~ .tx)>.tx{grid-column:2;margin-top:0}
#reader:fullscreen h2{font-size:28px;margin:8px 0 18px}
#reader:fullscreen .v-back,#reader:fullscreen .r-end{display:none}
#reader:fullscreen .v-bar{margin:24px -40px 0;padding:12px 40px 16px}

/* thanh phát podcast: thanh kéo co lại được, không đẩy nút tốc độ ra ngoài khi khung hẹp (21/10, m: "nó tràn ra nè") */
.ap{gap:10px;padding:12px 14px}
.ap-seek{flex:1 1 0;min-width:0;width:0}
.ap-play,.ap-j,.ap-rate,.ap-time{flex:none}
.ap-time{font-size:12px}

/* ---------- chọn chuyến: By time · By country (21/10) ---------- */
.pickby{display:inline-flex;gap:2px;margin:12px 0 0;padding:3px;border-radius:20px;background:#343b360d}
.pickby button{padding:6px 14px;border-radius:17px;font-size:13px;color:var(--muted)}
.pickby button.on{background:var(--paper);color:var(--ink);box-shadow:0 1px 3px #343b3626}
.by-place .sum .place{display:flex;flex-direction:column;gap:2px;color:var(--coral)}
.destbtn{display:inline-flex;align-items:center;gap:6px;font:italic 400 24px/1.1 var(--serif);letter-spacing:-.02em;color:var(--coral);border-radius:10px;padding:2px 6px;margin:-2px -6px;cursor:pointer}
.destbtn:hover{background:#343b360a}
.destbtn .caret{width:9px;height:13px;transform:rotate(-90deg);background:var(--muted)}
.by-place .sum .place small{font:13px/1.4 var(--sans);font-style:normal;color:var(--muted)}
.placepop{min-width:240px}
.placepop p{margin:0 0 6px;font-size:12px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.placepop ul{list-style:none;margin:0;padding:0;max-height:260px;overflow:auto}
.placepop button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:8px 10px;border-radius:10px;text-align:left}
.placepop button:hover{background:#343b360a}
.placepop button.on{background:#00838a14}
.placepop span{font-size:14px}
.placepop small{display:block;font-size:12px;color:var(--muted)}
.placepop b{font-weight:500;font-size:13px;font-variant-numeric:tabular-nums}
.pin.pick{cursor:pointer}

/* hàng chip cuộn ngang: vệt mờ ở mép còn chip (21/10) */
.liba.fade-r,.fchips.fade-r{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 48px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 48px),transparent)}
.liba.fade-l,.fchips.fade-l{-webkit-mask-image:linear-gradient(90deg,transparent,#000 48px);mask-image:linear-gradient(90deg,transparent,#000 48px)}
.liba.fade-l.fade-r,.fchips.fade-l.fade-r{-webkit-mask-image:linear-gradient(90deg,transparent,#000 48px,#000 calc(100% - 48px),transparent);mask-image:linear-gradient(90deg,transparent,#000 48px,#000 calc(100% - 48px),transparent)}

/* ---------- rà web 21/10 (phiên web-review-publish) ---------- */
/* "Refund Policy" không gãy đôi giữa hai dòng */
.pay .fine a{white-space:nowrap}
/* hàng chip tác giả: chừa chỗ cho số đếm nhô lên góc chip, khỏi bị khung cuộn cắt nửa trên */
.liba{padding:8px 6px 4px;margin:-2px -6px 8px}
@media (max-width:760px){
  /* hàng trên cùng đã kín (logo · tài khoản · menu): streak xuống giữa, dưới menu; tiêu đề lùi xuống theo */
  #streakSlot{left:50%;right:auto;top:60px;transform:translateX(-50%)}
  .streak>span:first-child{font-size:13px}
  body:has(#streakSlot .streak) .hero{top:104px}
  /* nút "Thử trạng thái" thành tab dọc nhỏ ở mép trái, khỏi che nút chính ở đáy màn */
  .rv{right:auto;left:0;bottom:auto;top:40%}
  .rv>button{writing-mode:vertical-rl;transform:rotate(180deg);padding:8px 3px;border-radius:8px 0 0 8px;font-size:10px;opacity:.8}
  .rv-p{position:fixed;left:12px;right:12px;bottom:12px;width:auto;max-height:60vh}
  /* khung trình duyệt mô phỏng co theo màn hẹp */
  .bw{inset:16px 8px 0}
  .bw-dots{display:none}
  .bw-tab{width:auto;flex:1 1 0;min-width:0}
  .bw-page{padding:24px 18px 0}
  .bw-page article{width:auto}
  .bw-page h1{font-size:27px}
  .bw-page p{font-size:16px}
  .xpop{left:12px;right:12px;width:auto}
  .bw-bar{gap:10px;padding:0 10px}
  .bw-url{min-width:0;padding:0 12px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .bw-bar .i-star{display:none}
}

/* Hidden screens must also leave keyboard navigation and the accessibility tree. */
body:not([data-step=home]) .hero,
body:not([data-step=home]) .legal,
body:not([data-step=home]) #streakSlot,
body:not([data-step=trip]):not([data-step=arrived]) .hud,
body:not([data-step=where]):not([data-step=learn]) .sheet,
body:not([data-step=library]) .libpage,
body:not([data-step=board]) .lbcard,
body:not([data-step=feed]) .feedpage,
.arrival:not(.on),
body[data-step=trip] .topnav,
body[data-step=trip] .acct,
body[data-step=arrived] .acct { visibility:hidden; }

/* Compact confirmation: status, account, next action. */
body[data-sub="auth"] #sheet{max-width:440px}
body[data-sub="auth"] #topnav,body[data-sub="auth"] #acct,body[data-sub="auth"] #streak-slot{visibility:hidden!important;pointer-events:none!important}
.auth-result{text-align:center;padding:8px 4px 4px}
.auth-result-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:#dae8df;color:#343e38;margin:0 auto 16px}
.auth-result-mark .ic{width:22px;height:22px}
.auth-result h2{font:normal 30px/1.2 Georgia,serif;margin:0 0 12px;outline:none;color:#343e38}
.auth-result p{font-size:16px;line-height:1.5;color:#65736a;margin:0 0 28px;overflow-wrap:anywhere}
.auth-result .btn{font-size:16px}
.auth-spinner{width:22px;height:22px;border:2px solid #a8b8ac;border-top-color:#343e38;border-radius:50%;animation:auth-spin 1s linear infinite}
@keyframes auth-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.auth-spinner{animation:none}}