:root{--bg:#F3F6F5;--card:#fff;--ink:#0F1F1E;--mute:#5B6E6C;--line:#DCE5E3;--pri:#0B7A75;--pri2:#08605C;--on:#fff;--acc:#F2A93B;--bad:#D6404A;--soft:#E3F2F0;--hero:#07302E;--wood:#B9812F;--sh:0 1px 2px rgba(15,31,30,.06),0 10px 28px rgba(15,31,30,.07);--r:14px}
:root[data-theme=dark]{--bg:#0A1413;--card:#112120;--ink:#E6F0EE;--mute:#92AAA7;--line:#203836;--pri:#35C4B9;--pri2:#5ED6CC;--on:#03201E;--soft:#12302E;--hero:#061F1E;--sh:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.35)}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0A1413;--card:#112120;--ink:#E6F0EE;--mute:#92AAA7;--line:#203836;--pri:#35C4B9;--pri2:#5ED6CC;--on:#03201E;--soft:#12302E;--hero:#061F1E;--sh:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.35)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.7 'Hind Siliguri',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Fraunces','Noto Serif Bengali',serif;line-height:1.25;margin:0 0 .5em}a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}.ic{flex:none;vertical-align:-3px}.wrap{max-width:1180px;margin:0 auto;padding:0 20px}.narrow{max-width:820px}.hint{color:var(--mute);font-size:.9rem}.m0{margin:0}
:focus-visible{outline:3px solid color-mix(in srgb,var(--pri) 50%,transparent);outline-offset:2px;border-radius:6px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:14px;min-height:64px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font:800 1.3rem 'Fraunces','Noto Serif Bengali',serif}.brand:hover{text-decoration:none}
.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--pri);color:var(--on)}
.search{flex:1;min-width:200px;display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:99px;padding:0 16px;color:var(--mute)}
.search input{flex:1;border:0;background:none;font:inherit;color:var(--ink);padding:9px 0;outline:0;min-width:0}.search:focus-within{border-color:var(--pri)}
.nav{display:flex;align-items:center;gap:10px}.burger{display:none}
.iconbtn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer}
.menu{position:relative}.menu summary{list-style:none;display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:600}.menu summary::-webkit-details-marker{display:none}
.drop{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);padding:6px;display:grid}
.drop a{padding:9px 12px;border-radius:8px;color:var(--ink)}.drop a:hover{background:var(--soft);text-decoration:none}
.av{border-radius:50%;object-fit:cover}.av-t{display:inline-grid;place-items:center;background:hsl(var(--h) 55% 40%);color:#fff;font-weight:700;flex:none}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 18px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:600 .95rem 'Hind Siliguri',sans-serif;cursor:pointer;transition:background .15s,transform .15s;white-space:nowrap}
.btn:hover{text-decoration:none;background:var(--soft)}.btn:active{transform:translateY(1px)}
.btn-pri{background:var(--pri);border-color:var(--pri);color:var(--on)}.btn-pri:hover{background:var(--pri2);border-color:var(--pri2)}
.btn-acc{background:var(--acc);border-color:var(--acc);color:#2B1A00}.btn-acc:hover{background:#f5b95a}
.btn-line{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}.btn-line:hover{background:rgba(255,255,255,.12)}
.btn-bad{color:var(--bad)}.btn-bad:hover{background:color-mix(in srgb,var(--bad) 12%,transparent)}
.btn-lg{padding:12px 24px;font-size:1.02rem}.btn-sm{padding:5px 12px;font-size:.88rem;border-radius:9px}.block{width:100%}.liked{color:var(--bad);border-color:var(--bad)}.liked .ic{fill:currentColor}
.linkbtn{background:none;border:0;color:var(--mute);font:inherit;cursor:pointer;padding:8px 14px}
/* hero + shelf */
.hero{background:var(--hero);color:#fff;padding:54px 0 0;overflow:hidden}
.hero-t{max-width:700px;padding-bottom:36px}.hero h1{font-size:clamp(2rem,5.4vw,3.5rem);font-weight:800;margin:0 0 14px;color:#fff}
.hero p{color:#b9d3d0;font-size:1.1rem;margin:0 0 24px}.hero-a{display:flex;gap:12px;flex-wrap:wrap}
.shelf{display:flex;align-items:flex-end;gap:5px;overflow-x:auto;padding:0 6px;border-bottom:16px solid var(--wood);box-shadow:0 10px 0 rgba(0,0,0,.18);scrollbar-width:none}.shelf::-webkit-scrollbar{display:none}
.spine{flex:none;width:var(--w);height:var(--s);display:flex;align-items:center;padding:12px 0;border-radius:3px 3px 0 0;color:#fff;text-decoration:none!important;writing-mode:vertical-rl;font:700 .88rem/1.2 'Noto Serif Bengali','Hind Siliguri',serif;overflow:hidden;
 background:linear-gradient(90deg,rgba(0,0,0,.28),transparent 22%,transparent 78%,rgba(255,255,255,.14)),hsl(var(--h) 52% 38%);border-top:5px solid rgba(255,255,255,.28);transition:transform .2s}
.spine span{display:block;max-height:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 12px}.spine:hover{transform:translateY(-14px)}
.spine.ghost{background:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 6px,transparent 6px 12px);border:1px dashed rgba(255,255,255,.28);border-bottom:0;color:rgba(255,255,255,.5);font-weight:500}.spine.ghost:hover{transform:none}
/* sections */
main{min-height:60vh}.sec{font-size:1.4rem;margin:36px 0 14px}.h1{font-size:clamp(1.6rem,3.4vw,2.2rem);margin:28px 0 16px}
.bar2{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap}.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 0 18px;scrollbar-width:thin}
.chips a{white-space:nowrap;padding:5px 15px;border-radius:99px;background:var(--card);border:1px solid var(--line);color:var(--ink)}.chips a small{color:var(--mute)}.chips a:hover{text-decoration:none;border-color:var(--pri)}.chips a.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}.chips a.on small{color:inherit;opacity:.7}
.bks{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:26px 20px}
.cover{aspect-ratio:2/3;border-radius:4px 12px 12px 4px;overflow:hidden;position:relative;background:var(--soft);box-shadow:var(--sh)}.cover::after{content:"";position:absolute;inset:0 auto 0 0;width:9px;background:linear-gradient(90deg,rgba(0,0,0,.28),transparent)}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
.gen{display:flex;flex-direction:column;justify-content:space-between;padding:20px 14px 16px 22px;color:#fff;background:linear-gradient(160deg,hsl(var(--h) 55% 40%),hsl(calc(var(--h) + 40) 55% 20%))}
.gen b{font:800 1.12rem/1.3 'Noto Serif Bengali','Fraunces',serif}.gen i{font-style:normal;font-size:.82rem;opacity:.85}
.bk-c{display:block;transition:transform .18s}.bk-c:hover{transform:translateY(-4px)}.bk-m{padding-top:10px;display:grid;gap:1px}
.bk-t{font-weight:600;color:var(--ink);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.bk-a{color:var(--mute);font-size:.88rem}
.bk-s{display:flex;align-items:center;gap:4px;color:var(--mute);font-size:.8rem;margin-top:3px}.bk-s .ic{margin-left:6px}.bk-s .ic:first-child{margin-left:0}
.pager{display:flex;gap:6px;justify-content:center;margin:34px 0}.pg{min-width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink)}.pg.on{background:var(--pri);border-color:var(--pri);color:var(--on)}.pg:hover{text-decoration:none;border-color:var(--pri)}
.cta{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:50px 0 10px;padding:30px;border-radius:20px;background:var(--hero);color:#fff}.cta h2{margin:0 0 6px;color:#fff}.cta p{margin:0;color:#b9d3d0;max-width:55ch}
.empty{text-align:center;padding:60px 20px;color:var(--mute)}.empty h1{font-size:4rem;margin:0}
/* forms */
.field{margin-bottom:16px}label{font-weight:600;font-size:.93rem}.field label{display:block;margin-bottom:6px}
.in{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);font:inherit}.in:focus{outline:0;border-color:var(--pri);box-shadow:0 0 0 3px color-mix(in srgb,var(--pri) 20%,transparent)}.in.sm{padding:7px 11px;width:auto;border-radius:10px}textarea.in{resize:vertical}
.chk{display:flex;align-items:center;gap:9px;margin:10px 0;font-weight:500;cursor:pointer}.chk input{width:18px;height:18px;accent-color:var(--pri)}.chk.sm{font-size:.88rem}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pw{position:relative}.pw .iconbtn{position:absolute;right:4px;top:4px;border:0;width:34px;height:34px;background:none}.hp{position:absolute;left:-9999px}
.alert{background:color-mix(in srgb,var(--bad) 12%,var(--card));color:var(--bad);border:1px solid color-mix(in srgb,var(--bad) 35%,transparent);padding:11px 15px;border-radius:12px;margin:0 0 16px}.alert.ok{background:var(--soft);color:var(--pri2);border-color:color-mix(in srgb,var(--pri) 35%,transparent)}
.flash{padding:11px 0;font-weight:500}.flash.ok{background:var(--soft);color:var(--pri2)}.flash.err{background:color-mix(in srgb,var(--bad) 12%,var(--card));color:var(--bad)}
/* auth */
.auth{display:grid;grid-template-columns:1fr 1fr;max-width:980px;margin:36px auto;border-radius:22px;overflow:hidden;background:var(--card);box-shadow:var(--sh);border:1px solid var(--line)}
.auth-side{background:var(--hero);color:#fff;padding:44px 36px;display:flex;flex-direction:column;justify-content:flex-end;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 28px,transparent 28px 34px)}.auth-side h2{font-size:1.9rem;color:#fff}.auth-side p{color:#b9d3d0}
.auth-box{padding:38px 34px}.auth-box h1{font-size:1.7rem}.auth-box.solo{max-width:420px;margin:60px auto;border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:var(--sh)}.alt{text-align:center;color:var(--mute);margin:18px 0 0}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;padding:11px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#1f1f1f;font-weight:600;margin-bottom:6px}.gbtn:hover{text-decoration:none;background:#f6f6f6}
.or{display:flex;align-items:center;gap:12px;color:var(--mute);font-size:.88rem;margin:16px 0}.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.center-screen{min-height:100vh;display:grid;place-items:center;padding:20px}.install{max-width:520px;width:100%;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--sh)}.install h2{font-size:1.15rem;margin:22px 0 12px}.steps{line-height:2}code{background:var(--soft);padding:2px 7px;border-radius:6px;word-break:break-all;font-size:.9em}
/* book detail */
.detail{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:34px 0}.d-cover .cover{box-shadow:0 18px 40px rgba(15,31,30,.25)}.d-info h1{font-size:clamp(1.7rem,4vw,2.6rem);margin:8px 0}.by{color:var(--mute);margin:0 0 12px}
.tag{display:inline-block;padding:2px 12px;border-radius:99px;background:var(--soft);color:var(--pri2);font-size:.85rem;margin:0 6px 6px 0}.tag:hover{text-decoration:none;background:var(--line)}
.facts{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:0 0 20px;color:var(--mute);font-size:.92rem}.facts li{display:flex;align-items:center;gap:6px}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.actions form{margin:0}.desc{margin:24px 0 10px;max-width:68ch;font-size:1.04rem}.share{color:var(--mute);font-size:.92rem}
.rbar{display:flex;justify-content:space-between;align-items:end}.reader{width:100%;height:82vh;min-height:420px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.cmts{margin-top:30px}.cform{display:grid;gap:10px;justify-items:start;margin-bottom:20px}.cm{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line)}.cm p{margin:2px 0 0}.cm>div{flex:1}.cm small{color:var(--mute)}
.prof{display:flex;gap:20px;align-items:center;padding:36px 0 10px}.prose{line-height:1.9;padding-bottom:60px}
/* upload */
.uform{display:grid;grid-template-columns:260px 1fr;gap:30px;align-items:start}.ucol{display:grid;gap:18px}
.drop-z{display:grid;place-items:center;text-align:center;gap:6px;padding:28px 16px;border:2px dashed var(--line);border-radius:var(--r);background:var(--card);color:var(--mute);cursor:pointer;transition:.15s}.drop-z:hover,.drop-z.over{border-color:var(--pri);background:var(--soft);color:var(--pri2)}.drop-z b{color:var(--ink)}.drop-z.has{border-style:solid;border-color:var(--pri)}
.cover-pick{display:grid;gap:10px;justify-items:center;cursor:pointer}.cover-pick .cover{width:150px}
.btns{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
/* dashboard */
.row-h{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding-top:26px}.who{display:flex;align-items:center;gap:14px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin:20px 0}.stats div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 18px;color:var(--mute);font-size:.9rem}.stats b{display:block;font:800 1.9rem 'Fraunces','Noto Serif Bengali',serif;color:var(--ink);line-height:1.2}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow-x:auto}.tabs a{padding:10px 16px;color:var(--mute);font-weight:600;border-bottom:3px solid transparent;white-space:nowrap}.tabs a.on{color:var(--pri);border-color:var(--pri)}.tabs a:hover{text-decoration:none;color:var(--ink)}
.item{display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px;margin-bottom:12px}.th{width:62px;flex:none}.info{flex:1;min-width:0;display:grid;gap:2px}.acts{display:flex;gap:8px;flex-wrap:wrap}.acts form{margin:0}
.st{display:inline-block;width:fit-content;font-size:.78rem;padding:1px 10px;border-radius:99px;background:var(--line);color:var(--mute)}.st-published{background:var(--soft);color:var(--pri2)}.st-pending{background:#fff0cf;color:#7a5200}.st-hidden{background:var(--line)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:18px}.panel h2{font-size:1.15rem}
/* footer */
.foot{margin-top:60px;background:var(--card);border-top:1px solid var(--line);padding:34px 0 18px}.fgrid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.fgrid p{color:var(--mute);margin:8px 0 0}.flinks{display:flex;gap:18px;flex-wrap:wrap;align-content:flex-start}.flinks a{color:var(--mute)}.copy{color:var(--mute);font-size:.88rem;margin-top:24px}
/* admin */
.adm-wrap{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.adm-side{background:var(--hero);padding:20px 14px;position:sticky;top:0;height:100vh;overflow:auto}.adm-side .brand{color:#fff;margin-bottom:18px}.adm-side nav{display:grid;gap:3px}
.adm-side nav a,.adm-side .linkbtn{color:#b9d3d0;padding:9px 12px;border-radius:10px;display:flex;justify-content:space-between;align-items:center;text-align:left;width:100%}.adm-side nav a:hover{background:rgba(255,255,255,.08);text-decoration:none}.adm-side nav a.on{background:var(--pri);color:var(--on)}
.badge{background:var(--acc);color:#2B1A00;border-radius:99px;font-size:.75rem;padding:0 8px;font-weight:700}.adm-main{padding:10px 28px 50px;min-width:0}
.tbl{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r)}table{width:100%;border-collapse:collapse}th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:.84rem;color:var(--mute);font-weight:600;white-space:nowrap}tr:last-child td{border-bottom:0}
.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.filters form,.filters{margin-bottom:14px}.w60{width:70px!important}
.chart{display:flex;align-items:flex-end;gap:6px;height:140px}.chart div{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px}.chart i{display:block;width:100%;background:var(--pri);border-radius:5px 5px 0 0;min-height:3px}.chart small{font-size:.7rem;color:var(--mute)}
.line{display:flex;justify-content:space-between;gap:10px;margin:0;padding:7px 0;border-bottom:1px solid var(--line)}.line:last-child{border:0}
.copybox{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:10px 0}.copybox small{display:block;color:var(--mute)}.okc{color:var(--pri2)}
@media(max-width:860px){.detail,.uform,.auth,.two,.row2{grid-template-columns:1fr}.auth-side{display:none}.detail{gap:22px}.d-cover{max-width:210px}.adm-wrap{grid-template-columns:1fr}.adm-side{position:static;height:auto}.adm-side nav{grid-auto-flow:column;overflow-x:auto;grid-auto-columns:max-content}.adm-main{padding:10px 16px 40px}}
@media(max-width:720px){.burger{display:inline-grid;margin-left:auto}.search{order:5;flex-basis:100%}.nav{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:10px}body.menu-open .nav{display:flex}.drop{position:static;box-shadow:none}.item{flex-wrap:wrap}.acts{width:100%}.bks{grid-template-columns:repeat(auto-fill,minmax(138px,1fr));gap:22px 14px}}

/* ===== v2: UI আপগ্রেড ===== */
.vh{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;pointer-events:none}
.drop-z,.cover-pick{position:relative}
.hero{background:radial-gradient(900px 420px at 88% -10%,rgba(53,196,185,.30),transparent 60%),radial-gradient(640px 320px at 0% 100%,rgba(242,169,59,.16),transparent 60%),var(--hero)}
.top{box-shadow:0 1px 0 var(--line)}
.btn-pri{box-shadow:0 6px 16px color-mix(in srgb,var(--pri) 28%,transparent)}.btn-pri:hover{box-shadow:0 8px 20px color-mix(in srgb,var(--pri) 36%,transparent)}
.bk-c{position:relative}.bk-c .cover{transition:box-shadow .2s}.bk-c:hover .cover{box-shadow:0 20px 36px rgba(15,31,30,.3)}
.panel,.item{transition:box-shadow .2s,border-color .2s}.panel:hover,.item:hover{box-shadow:var(--sh)}
.sec{display:flex;align-items:center;gap:10px}.sec::before{content:"";width:6px;height:1.05em;border-radius:3px;background:var(--acc);flex:none}
.sub{display:flex;align-items:center;gap:8px;font-size:1.05rem;margin:26px 0 12px}
.bdg{position:absolute;top:8px;left:12px;display:inline-flex;gap:4px;align-items:center;background:rgba(7,48,46,.88);color:#fff;font-size:.72rem;padding:2px 9px;border-radius:99px;backdrop-filter:blur(4px);z-index:2}
.tag-lock{background:color-mix(in srgb,var(--acc) 22%,var(--card));color:#7a5200}.tag .ic,.tag-lock .ic{vertical-align:-2px}
.st-lock{background:color-mix(in srgb,var(--acc) 22%,var(--card));color:#7a5200}
.hs{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;padding:6px 2px 14px;scrollbar-width:thin}.hs .rk-w{flex:0 0 156px;scroll-snap-align:start}
.rk-w{position:relative}.rk{position:absolute;z-index:3;left:-6px;top:-8px;min-width:30px;height:30px;padding:0 8px;display:grid;place-items:center;border-radius:99px;background:var(--acc);color:#2B1A00;font:800 .95rem 'Fraunces','Noto Serif Bengali',serif;box-shadow:0 4px 10px rgba(0,0,0,.25)}
.nodl{display:flex;gap:6px;align-items:center;margin:12px 0 0}.tools{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 8px}
.report{margin-top:10px}.report summary{cursor:pointer;color:var(--mute);font-size:.9rem;display:inline-flex;gap:6px;align-items:center}.rform{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.rform .in{flex:1;min-width:150px}
.tip{display:flex;gap:6px;align-items:flex-start;margin:6px 0 16px}.tip .ic{margin-top:4px}
.inl{display:inline-block;margin:0 0 14px}.badge.b2{background:var(--soft);color:var(--pri2)}
.health{list-style:none;padding:0;margin:0 0 10px;display:grid;gap:6px}.health li{display:flex;gap:8px;align-items:center}.okc{color:var(--pri2)}.badc{color:var(--bad)}
/* সুইচ */
.sw{display:flex;gap:14px;align-items:flex-start;padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:10px;cursor:pointer;position:relative;transition:border-color .15s}
.sw:hover{border-color:var(--pri)}.sw b{display:block;font-size:.97rem}.sw small{display:block;color:var(--mute);font-weight:400;line-height:1.45}
.sl{flex:none;width:44px;height:25px;border-radius:99px;background:var(--line);position:relative;transition:background .2s;margin-top:2px}
.sl::after{content:"";position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.sw input:checked+.sl{background:var(--pri)}.sw input:checked+.sl::after{transform:translateX(19px)}.sw input:focus-visible+.sl{outline:3px solid color-mix(in srgb,var(--pri) 50%,transparent);outline-offset:2px}
/* আপলোড প্রগ্রেস */
.upbar{position:relative;height:44px;border-radius:12px;background:var(--soft);overflow:hidden;margin-top:14px;display:grid;place-items:center;font-weight:600;color:var(--pri2)}.upbar[hidden]{display:none}
.upfill{position:absolute;inset:0 auto 0 0;width:0;background:color-mix(in srgb,var(--pri) 32%,transparent);transition:width .15s}.upbar span{position:relative}
/* ঘোষণা */
.notice{background:linear-gradient(90deg,var(--pri2),var(--pri));color:var(--on);font-size:.93rem}.notice .wrap{display:flex;gap:12px;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.notice span{display:flex;gap:8px;align-items:center}.nx{background:none;border:0;color:inherit;cursor:pointer;opacity:.8;padding:4px;display:grid}.nx:hover{opacity:1}
/* টোস্ট বার্তা */
.toasts{position:fixed;z-index:200;top:14px;right:14px;left:14px;display:grid;gap:10px;justify-items:end;pointer-events:none}
.toast{pointer-events:auto;position:relative;overflow:hidden;display:flex;gap:12px;align-items:flex-start;width:min(430px,100%);padding:14px 42px 17px 14px;border-radius:16px;background:var(--card);border:1px solid var(--line);box-shadow:0 20px 44px rgba(0,0,0,.2);
 transform:translateY(-16px) scale(.97);opacity:0;transition:transform .32s cubic-bezier(.2,.9,.25,1.1),opacity .25s}
.toast.show{transform:none;opacity:1}.toast.out{opacity:0;transform:translateX(40px)}
.ti{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;flex:none}
.tb{display:grid;line-height:1.45;padding-top:1px}.tb b{font-size:.98rem}.tb span{color:var(--mute);font-size:.93rem}
.tx{position:absolute;top:9px;right:9px;display:grid;place-items:center;width:26px;height:26px;border:0;border-radius:8px;background:none;color:var(--mute);cursor:pointer}.tx:hover{background:var(--soft)}
.tp{position:absolute;left:0;bottom:0;height:3px;width:100%;transform-origin:left;animation:tp var(--d,5s) linear forwards}.toast:hover .tp{animation-play-state:paused}
@keyframes tp{to{transform:scaleX(0)}}
.t-ok .ti{background:rgba(22,163,74,.14);color:#16a34a}.t-ok .tp{background:#16a34a}.t-ok{border-color:rgba(22,163,74,.35)}
.t-err .ti{background:color-mix(in srgb,var(--bad) 14%,transparent);color:var(--bad)}.t-err .tp{background:var(--bad)}.t-err{border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
.t-info .ti{background:color-mix(in srgb,var(--pri) 14%,transparent);color:var(--pri)}.t-info .tp{background:var(--pri)}
.alert{display:flex;gap:10px;align-items:flex-start;line-height:1.5}.alert .ic{margin-top:3px}
/* কনফার্ম / QR মডাল */
dialog.modal{border:0;border-radius:20px;padding:0;background:var(--card);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.4);width:min(420px,92vw)}
dialog.modal::backdrop{background:rgba(5,20,19,.55);backdrop-filter:blur(3px)}.modal form,.modal .mbody{padding:26px;margin:0}.modal h3{margin:0 0 8px}.modal p{margin:0;color:var(--mute)}
.mb{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.qrbox{display:grid;place-items:center;padding:14px;background:#fff;border-radius:14px;margin:14px auto;width:fit-content}
/* ভাসমান আপলোড বাটন */
.fab{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:60;display:inline-flex;align-items:center;gap:8px;padding:14px 22px 14px 18px;border-radius:99px;background:var(--acc);color:#2B1A00;font-weight:700;box-shadow:0 14px 32px rgba(242,169,59,.45),0 2px 6px rgba(0,0,0,.22);transition:transform .2s}
.fab:hover{transform:translateY(-3px) scale(1.03);text-decoration:none}.fab:active{transform:scale(.97)}
/* রিডার */
.reader-body{--rdbg:#e6eae9;background:var(--rdbg);margin:0;overscroll-behavior-y:none}
.rd-day{--rdbg:#e6eae9}.rd-sepia{--rdbg:#eadcbc}.rd-night{--rdbg:#0a0e0e}.rd-night .rp{box-shadow:0 4px 24px rgba(0,0,0,.6)}.rd-night canvas{filter:invert(.9) hue-rotate(180deg)}.rd-sepia canvas{filter:sepia(.35) contrast(.95)}
.rd-bar{position:fixed;top:0;left:0;right:0;height:56px;z-index:20;display:flex;align-items:center;gap:8px;padding:0 12px;background:rgba(7,48,46,.96);color:#fff;backdrop-filter:blur(8px)}
.rd-bar .t{flex:1;min-width:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rd-btn{display:inline-grid;place-items:center;min-width:38px;height:38px;border-radius:10px;border:0;background:rgba(255,255,255,.1);color:#fff;cursor:pointer;padding:0 8px;font:inherit}.rd-btn:hover{background:rgba(255,255,255,.22);text-decoration:none}
.rd-pg{display:flex;align-items:center;gap:5px;font-size:.92rem;white-space:nowrap}.rd-pg input{width:58px;text-align:center;border-radius:8px;border:0;padding:6px 4px;font:inherit}
.rd-z{min-width:46px;text-align:center;font-size:.85rem;cursor:pointer}
.rd-pages{padding:72px 10px 70px;display:flex;flex-direction:column;align-items:center;gap:14px}
.rp{background:#fff;box-shadow:0 4px 22px rgba(0,0,0,.2);border-radius:3px;position:relative;flex:none;max-width:none}.rp canvas{display:block}
.rd-msg{position:fixed;left:50%;top:70px;transform:translateX(-50%);z-index:25;background:var(--card);color:var(--ink);padding:10px 18px;border-radius:99px;box-shadow:0 10px 30px rgba(0,0,0,.25);font-weight:500;max-width:92vw;text-align:center}.rd-msg.err{color:var(--bad)}.rd-msg[hidden]{display:none}
#wm{position:fixed;inset:0;pointer-events:none;z-index:15;background-repeat:repeat}
.guard .rp{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}body.cov .rp{visibility:hidden}
@media(max-width:640px){.rd-z,#mode,.rd-pg span:last-child{display:none}.rd-bar{gap:5px;padding:0 8px}.rd-pg input{width:48px}}
@media print{.reader-body{display:none!important}}