/* GroupChatOn app: styles (colours and the loading skeleton are inline in index.html so they show at once).
   Same colours, fonts and reading themes as www.groupchaton.com. Designed & Developed by Nivesh Sahayak. See LICENSE. */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--top) + 12px)}
body{transition:background-color .25s,color .25s;overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:3px}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;z-index:99;padding:10px 14px;border-radius:10px;background:var(--accent);color:var(--accent-ink)}
.skip:focus{left:8px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{font-family:var(--head);line-height:1.2;color:var(--ink)}
h1{font-size:clamp(26px,5vw,36px);margin:4px 0 12px;letter-spacing:-.01em}
h2{font-size:clamp(20px,3.6vw,24px);margin:32px 0 14px}
.muted{color:var(--muted)}
.ic{width:22px;height:22px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* header + tabs */
.top{transition:transform .25s ease,background-color .25s}
.top.is-hidden{transform:translateY(-100%)}
.top-act{display:flex;align-items:center;gap:2px;margin-left:auto}
.icon-btn{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;border:0;background:transparent;color:var(--ink-soft);cursor:pointer;text-decoration:none;position:relative}
.icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.icon-btn .dot{position:absolute;top:8px;right:8px;width:9px;height:9px;border-radius:50%;background:#e5534b;border:2px solid var(--bg)}
.tabs{display:flex;gap:2px;margin-left:12px}
.tabs a{display:flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border-radius:12px;color:var(--ink-soft);text-decoration:none;font-weight:600;font-size:15px}
.tabs a:hover{background:var(--surface-2);color:var(--ink)}
.tabs a[aria-current='page']{color:var(--accent);background:var(--accent-soft)}
@media (max-width:759px){
  .tabs{position:fixed;left:0;right:0;bottom:0;z-index:45;margin:0;justify-content:space-around;gap:0;padding:4px 4px calc(4px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line);transition:transform .25s ease}
  .tabs a{flex:1;flex-direction:column;gap:2px;min-height:52px;padding:4px 2px;justify-content:center;font-size:12px;font-weight:600}
  .tabs a[aria-current='page']{background:transparent}
  .is-reading .tabs{transform:translateY(110%)}
}
@media (min-width:760px){.is-reading .tabs{display:none}}

/* buttons, chips, cards */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:600 15px/1.2 var(--ui);text-decoration:none;cursor:pointer;text-align:center}
.btn:hover{border-color:var(--accent)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-sm{min-height:40px;padding:0 14px;font-size:14px}
.btn[disabled]{opacity:.55;cursor:default}
.btn .ic{width:18px;height:18px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-soft);font:500 13px/1.4 var(--ui);text-decoration:none}
.card{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:16px 18px}
.card h2,.card h3{margin-top:0}
.note{padding:14px 16px;border-radius:14px;background:var(--accent-soft);color:var(--ink);font-size:15px}
.note p{margin:0 0 10px}.note p:last-child{margin:0}
.warn{border:1px solid #d9a33a;background:color-mix(in srgb,#f2c14e 16%,var(--surface))}
.empty{padding:28px 18px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:16px}

/* home */
.hello{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:8px 16px}
.hello p{margin:0;color:var(--muted)}
.cont{display:flex;gap:14px;align-items:center;margin-top:18px;padding:12px;border-radius:16px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink)}
.cont img{width:58px;height:86px;object-fit:cover;border-radius:8px;flex:0 0 auto;background:var(--surface-2)}
.cont b{display:block;font:700 16px/1.3 var(--ui)}
.cont small{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.cont .go{margin-left:auto;color:var(--accent)}
.bar{height:5px;border-radius:5px;background:var(--surface-2);overflow:hidden;margin-top:8px}
.bar span{display:block;height:100%;background:var(--accent);border-radius:5px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px 16px}
@media (max-width:420px){.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}}
.nv{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);min-width:0}
.nv-cover{position:relative;aspect-ratio:2/3;border-radius:12px;overflow:hidden;background:var(--surface-2);box-shadow:0 6px 18px rgba(0,0,0,.12)}
.nv-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.nv:hover .nv-cover img{transform:scale(1.03)}
.nv-badge{position:absolute;top:8px;left:8px;padding:3px 8px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font:700 12px/1.3 var(--ui)}
.nv-title{margin:10px 0 2px;font:700 15px/1.3 var(--ui);overflow-wrap:anywhere}
.nv-meta{color:var(--muted);font-size:13px}
.list{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}
.list li+li{border-top:1px solid var(--line)}
.list a,.list .li{display:flex;align-items:center;gap:12px;min-height:56px;padding:10px 14px;color:var(--ink);text-decoration:none}
.list a:hover{background:var(--surface-2)}
.list .t{flex:1;min-width:0}
.list .t b{display:block;font-weight:600;overflow-wrap:anywhere}
.list .t small{display:block;color:var(--muted);font-size:13px}
.list img{width:40px;height:60px;object-fit:cover;border-radius:6px;flex:0 0 auto;background:var(--surface-2)}
.list .r{color:var(--muted);font-size:13px;white-space:nowrap}
.install-card{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.install-card img{width:56px;height:56px}
.install-card div{flex:1;min-width:180px}

/* novel page */
.crumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font:500 14px/1.4 var(--ui);color:var(--muted);margin:0 0 12px}
.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--accent)}
.hero{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:start}
.hero > img{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.18);background:var(--surface-2)}
@media (max-width:599px){.hero{grid-template-columns:110px 1fr;gap:14px}.hero h1{font-size:22px}}
.hero .alt{margin:0 0 10px;color:var(--muted);font-size:14px;overflow-wrap:anywhere}
.stats{display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--muted);font-size:14px;margin:10px 0 0}
.genres{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 0}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}
.hero > .actions{grid-column:2;margin-top:0}
@media (max-width:599px){.hero > .actions{grid-column:1/-1;margin-top:4px}.actions .btn{flex:1 1 auto}}
.summary{margin:20px 0 0;font:17px/1.7 var(--head);color:var(--ink-soft)}
.summary p{margin:0 0 .8em}
.summary.is-short{max-height:9.5em;overflow:hidden;-webkit-mask-image:linear-gradient(#000 60%,transparent);mask-image:linear-gradient(#000 60%,transparent)}
.more{border:0;background:none;color:var(--accent);font-weight:600;cursor:pointer;padding:6px 0;min-height:44px}
.toc-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 12px}
.field{flex:1 1 200px;min-width:0;min-height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:16px}
.field:focus{border-color:var(--accent);outline:0;box-shadow:0 0 0 3px var(--accent-soft)}
.toc{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}
.toc li+li{border-top:1px solid var(--line)}
.toc li{content-visibility:auto;contain-intrinsic-size:auto 52px}
.toc a{display:flex;align-items:center;gap:10px;min-height:52px;padding:8px 14px;color:var(--ink);text-decoration:none}
.toc a:hover{background:var(--surface-2)}
.toc .n{flex:1;min-width:0;overflow-wrap:anywhere}
.toc .d{color:var(--muted);font-size:13px;white-space:nowrap}
.toc .is-read .n{color:var(--muted)}
.toc .is-cur a{background:var(--accent-soft);font-weight:600}
.toc .off{color:var(--accent);display:inline-flex}
.toc .off .ic{width:16px;height:16px}
.toc .new{padding:1px 7px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font:700 11px/1.5 var(--ui)}

/* reader */
.reader{max-width:var(--rd-measure,700px);margin:0 auto;padding:18px 18px 40px}
.reader .crumb{margin-bottom:6px}
.rd-title{font:700 clamp(24px,4.6vw,34px)/1.25 var(--head);margin:0 0 8px}
.rd-meta{display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--muted);font-size:14px;margin:0 0 18px}
.rd-text{font-size:var(--rd-size,19px);line-height:var(--rd-lh,1.8);overflow-wrap:break-word;color:var(--ink)}
html[data-font='serif'] .rd-text{font-family:var(--head)}
html[data-font='sans'] .rd-text{font-family:var(--ui)}
html[data-font='readable'] .rd-text{font-family:'Atkinson Hyperlegible',var(--ui)}
html[data-align='justify'] .rd-text p{text-align:justify;hyphens:auto}
.rd-text p{margin:0 0 1.05em}
.rd-text img{display:block;margin:1em auto;border-radius:8px}
.rd-text blockquote{margin:1.2em 0;padding:.2em 0 .2em 1em;border-left:3px solid var(--accent);color:var(--ink-soft)}
.rd-text hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.rd-text table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}
.rd-text td,.rd-text th{border:1px solid var(--line);padding:6px 8px}
.rd-text ::selection{background:var(--accent-soft)}
.credits{margin:28px 0 0;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);font:14px/1.6 var(--ui);color:var(--ink-soft)}
.credits dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0}
.credits dt{color:var(--muted)}.credits dd{margin:0;font-weight:600;color:var(--ink)}
.credits p{margin:0 0 10px}
.chap-end{margin:40px 0 0;display:grid;gap:12px}
.next-big{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:66px;padding:12px 18px;border-radius:16px;background:var(--accent);color:var(--accent-ink);text-decoration:none;font:600 17px/1.3 var(--ui)}
.next-big small{display:block;font-weight:500;opacity:.85;font-size:13px}
.prev-small{justify-self:start}
.caught{padding:14px 16px;border-radius:14px;background:var(--accent-soft);font-size:15px}
.progress{position:fixed;left:0;right:0;top:0;z-index:60;height:3px;pointer-events:none}
.progress span{display:block;height:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}
.rd-bar{position:fixed;left:0;right:0;bottom:0;z-index:46;display:flex;justify-content:center;gap:4px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line);transition:transform .25s ease}
.rd-bar.is-hidden{transform:translateY(110%)}
.rd-bar .icon-btn{width:auto;min-width:52px;padding:0 10px;gap:6px;font:600 14px/1 var(--ui)}
.rd-bar .icon-btn[disabled]{opacity:.4;cursor:default}
.rd-bar .pct{align-self:center;min-width:46px;text-align:center;color:var(--muted);font-size:13px}
.is-reading .wrap,.is-reading .reader{padding-bottom:110px}

/* ads: always with a label and a clear gap from buttons */
.ad-slot{display:block;width:100%;margin:36px auto;text-align:center;min-height:120px;overflow:hidden;clear:both;line-height:normal}
.ad-slot::before{content:'Advertisement';display:block;font:500 11px/1 var(--ui);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);opacity:.7;margin-bottom:8px}
.ad-slot.is-empty,.ad-slot:not(.is-promo):has(ins[data-ad-status^='unfill']),.no-ads .ad-slot:not(.is-promo){display:none}
/* a sponsor card in an ad space that Google left empty (offline, blocked, no ad) */
.pk-slot{display:block;width:100%;margin:36px auto;text-align:center;overflow:hidden;clear:both;line-height:normal}.pk-slot::before{content:'Sponsored';display:block;font:500 11px/1 var(--ui);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);opacity:.7;margin-bottom:8px}.pk-slot.is-own::before{content:'From GroupChatOn'}.pk-slot[data-tag]::before{content:attr(data-tag)}.pk-slot.is-empty{display:none}
.promo-card .promo-ic{display:grid;place-items:center;width:64px;height:64px;border-radius:18px;background:var(--accent);color:var(--accent-ink)}.promo-card .promo-ic svg{width:32px;height:32px}.promo-card small{color:var(--muted);font-size:12.5px}.promo-card img.promo-ic.is-mark{padding:0;background:none;object-fit:cover}
.promo-card{display:flex;flex-direction:column;align-items:center;gap:8px;max-width:360px;margin:0 auto;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:inherit;text-decoration:none;font:400 14px/1.5 var(--ui)}
.promo-card img{width:100%;max-width:336px;height:auto;border-radius:12px;display:block}
.promo-card b{font-size:15.5px;line-height:1.35}.promo-card span{color:var(--muted)}
.promo-card em{font-style:normal;font-weight:600;margin-top:2px;padding:9px 18px;border-radius:999px;background:var(--accent);color:var(--accent-ink)}
.promo-card:hover em{filter:brightness(1.08)}

/* sheets (reading settings, chapter list, download) */
.backdrop{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:opacity .2s}
.backdrop.is-open{opacity:1;pointer-events:auto}
.sheet{position:fixed;z-index:80;left:0;right:0;bottom:0;max-height:86vh;display:flex;flex-direction:column;background:var(--surface);color:var(--ink);border-radius:20px 20px 0 0;box-shadow:0 -10px 40px rgba(0,0,0,.25);transform:translateY(105%);transition:transform .22s ease;padding-bottom:env(safe-area-inset-bottom)}
.sheet.is-open{transform:none}
@media (min-width:760px){.sheet{left:auto;right:16px;top:calc(var(--top) + 10px);bottom:auto;width:400px;max-height:calc(100vh - var(--top) - 30px);border-radius:18px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:transform .18s,opacity .18s}
  .sheet.is-open{transform:none;opacity:1;pointer-events:auto}}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 10px 6px 18px;border-bottom:1px solid var(--line)}
.sheet-head h2{margin:0;font:700 18px/1.3 var(--ui)}
.sheet-body{overflow:auto;padding:14px 18px 20px;overscroll-behavior:contain}
.set-row{display:grid;gap:8px;margin:0 0 16px}
.set-row > span{font-weight:600;font-size:14px;color:var(--ink-soft)}
.seg{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.seg button{flex:1;min-height:44px;border:0;background:var(--surface);cursor:pointer;font-weight:600;font-size:14px;padding:0 6px}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed='true']{background:var(--accent);color:var(--accent-ink)}
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.swatches button{min-height:48px;border-radius:12px;border:2px solid var(--line);cursor:pointer;font-weight:600;font-size:14px}
.swatches button[aria-pressed='true']{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.sw-light{background:#fbfaf7;color:#1d1f22}.sw-sepia{background:#f4ecd8;color:#43341f}.sw-dark{background:#15171a;color:#dedad1}.sw-black{background:#000;color:#c9c6bf}
.stepper{display:flex;align-items:center;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.stepper button{min-width:64px;min-height:44px;border:0;background:var(--surface);cursor:pointer;font-weight:700}
.stepper output{flex:1;text-align:center;font-weight:600}
.switch{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;margin:0 0 12px;cursor:pointer;font-size:15px}
.switch input{width:46px;height:26px;appearance:none;-webkit-appearance:none;border-radius:999px;background:var(--line);position:relative;cursor:pointer;flex:0 0 auto;transition:background .15s}
.switch input::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.switch input:checked{background:var(--accent)}.switch input:checked::after{transform:translateX(20px)}
.opt{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;min-height:56px;margin:0 0 10px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;text-align:left}
.opt:hover{border-color:var(--accent)}
.opt b{font-weight:700}.opt small{color:var(--muted)}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));z-index:90;display:flex;align-items:center;gap:6px;max-width:min(560px,calc(100vw - 24px));padding:8px 8px 8px 16px;border-radius:14px;background:var(--ink);color:var(--bg);font-size:15px;box-shadow:0 8px 30px rgba(0,0,0,.25);transform:translate(-50%,30px);opacity:0;pointer-events:none;transition:transform .2s,opacity .2s}
.toast.is-on{transform:translate(-50%,0);opacity:1;pointer-events:auto}
.toast button{min-height:40px;padding:0 12px;border:0;border-radius:10px;background:transparent;color:var(--bg);font-weight:700;cursor:pointer;text-decoration:underline}
.toast .x{text-decoration:none;opacity:.7}

/* settings + about */
.set-sec{margin:0 0 22px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:600;overflow-wrap:anywhere}
.links{display:flex;flex-wrap:wrap;gap:6px 16px;margin:10px 0 0}
.copy{margin:28px 0 0;color:var(--muted);font-size:14px;text-align:center}
.foot{margin:44px 0 0;padding:18px 0 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px;text-align:center}
.foot a{color:var(--muted)}
.steps{margin:8px 0 0;padding-left:22px}.steps li{margin:0 0 8px}
.rec-list .t small{white-space:normal}
.offline-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:13px;font-weight:600}