/* =========================================================
   Kindley — e-ink inspired design system
   ========================================================= */
@font-face{font-family:"Lora";src:url("fonts/Lora-Variable.ttf") format("truetype");font-weight:400 700;font-display:swap}
@font-face{font-family:"Lora";src:url("fonts/Lora-Italic-Variable.ttf") format("truetype");font-weight:400 700;font-style:italic;font-display:swap}

:root{
  --ui:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Devanagari",sans-serif;
  --serif:"Literata","Lora",Georgia,"Noto Serif Devanagari",serif;
  --r:10px; --speed:.16s;
  --noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  color-scheme:light;
}
:root,:root[data-theme=paper]{--bg:#e9e7e0;--bg2:#dedbd2;--card:#f1efe9;--fg:#1a1a1a;--muted:#5d5c57;--line:rgba(20,20,20,.2);--soft:rgba(20,20,20,.07);--shadow:none;--desk:#cfccc3;--speed:0s}
:root[data-theme=white]{--bg:#ffffff;--bg2:#f3f3f1;--card:#fff;--fg:#141414;--muted:#6b6b6b;--line:rgba(0,0,0,.13);--soft:rgba(0,0,0,.05);--shadow:0 10px 30px -12px rgba(0,0,0,.28);--desk:#e4e4e2}
:root[data-theme=sepia]{--bg:#f5edda;--bg2:#ece1c8;--card:#f9f3e5;--fg:#4a3a29;--muted:#86725b;--line:rgba(74,58,41,.2);--soft:rgba(74,58,41,.07);--shadow:0 10px 30px -12px rgba(74,58,41,.35);--desk:#e2d5b8}
:root[data-theme=green]{--bg:#d8e7d1;--bg2:#cadcc2;--card:#e3eedd;--fg:#22301f;--muted:#53664d;--line:rgba(34,48,31,.2);--soft:rgba(34,48,31,.07);--shadow:0 10px 30px -12px rgba(34,48,31,.35);--desk:#bccfb4}
:root[data-theme=black]{--bg:#000;--bg2:#121212;--card:#0d0d0d;--fg:#d2d2d2;--muted:#8a8a8a;--line:rgba(255,255,255,.17);--soft:rgba(255,255,255,.07);--shadow:none;--desk:#151515;color-scheme:dark}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--fg);font:15px/1.5 var(--ui);-webkit-font-smoothing:antialiased;overflow-x:hidden}
:root[data-theme=paper] body{background-image:var(--noise)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
a{color:inherit}
svg{display:block}
[hidden]{display:none!important}
.muted{color:var(--muted)}
.tiny{font-size:12px}.center{text-align:center}.pad{padding:18px 4px}
.row{display:flex;align-items:center}.row.end{justify-content:flex-end}.row.between{justify-content:space-between}.gap{gap:10px}
:focus-visible{outline:2px solid var(--fg);outline-offset:2px}

/* ---------- buttons & inputs ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 18px;border-radius:999px;border:1.5px solid var(--fg);font-weight:600;font-size:14.5px;letter-spacing:.01em;transition:transform var(--speed)}
.btn svg{width:19px;height:19px}
.btn.dark{background:var(--fg);color:var(--bg)}
.btn.ghost{background:transparent}
.btn.sm{height:34px;padding:0 13px;font-size:13px}
.btn.wide{width:100%}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.5;cursor:default}
.ib{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;flex:none}
.ib svg{width:24px;height:24px}
.ib.sm{width:32px;height:32px}.ib.sm svg{width:18px;height:18px}
.ib:hover{background:var(--soft)}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px}
.form label>span{font-size:13px;font-weight:600;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=search],input[type=number],input:not([type]),textarea,select{
  width:100%;background:var(--card);border:1.5px solid var(--line);border-radius:10px;padding:11px 13px;outline:none;transition:border-color var(--speed)}
input:focus,textarea:focus,select:focus{border-color:var(--fg)}
textarea{resize:vertical;line-height:1.5}
.err{color:#b3261e;font-size:13.5px;margin:0}
:root[data-theme=black] .err{color:#ff8a80}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px}
.chips::-webkit-scrollbar{display:none}
.chip{height:34px;padding:0 15px;border-radius:999px;border:1.5px solid var(--line);font-size:13.5px;font-weight:600;white-space:nowrap;color:var(--muted)}
.chip.on{border-color:var(--fg);background:var(--fg);color:var(--bg)}
.prog{height:3px;background:var(--line);border-radius:3px;overflow:hidden}
.prog i{display:block;height:100%;background:var(--fg)}

/* ---------- logo ---------- */
.logo{font-family:var(--serif);font-weight:700;font-size:34px;letter-spacing:-.02em;margin:0}
.logo.sm{font-size:24px}

/* ---------- auth ---------- */
.auth{min-height:100%;display:grid;place-items:center;align-content:center;gap:22px;padding:28px 18px}
.auth-card{width:min(400px,100%);background:var(--card);border:1.5px solid var(--line);border-radius:18px;padding:30px 26px 26px;box-shadow:var(--shadow)}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.brand-art{width:46px;height:46px}
.auth-card h2{font-family:var(--serif);font-size:22px;margin:0 0 4px}
.auth-card>.muted{margin:0 0 20px}
.alt{margin:18px 0 0;text-align:center;font-size:14px;color:var(--muted)}
.auth-foot{font-family:var(--serif);font-style:italic;color:var(--muted);font-size:14px;margin:0;text-align:center}

/* ---------- library ---------- */
.lib{max-width:1240px;margin:0 auto;padding:0 22px 80px;min-height:100%}
.lib-bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;padding:14px 0;background:var(--bg);border-bottom:1.5px solid var(--fg)}
:root[data-theme=paper] .lib-bar{background-image:var(--noise)}
.lib-search{flex:1;max-width:460px;margin-left:auto;display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:999px;padding:0 14px;background:var(--card);height:42px}
.lib-search:focus-within{border-color:var(--fg)}
.lib-search svg{width:18px;height:18px;flex:none;color:var(--muted)}
.lib-search input{border:0;background:none;padding:0;height:100%}
.avatar{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--fg);display:grid;place-items:center;font-weight:700;font-family:var(--serif);font-size:17px;flex:none}
.avatar.lg{width:56px;height:56px;font-size:24px}

.hero{display:flex;gap:26px;align-items:center;margin:26px 0 8px;padding:22px;border:1.5px solid var(--line);border-radius:18px;background:var(--card);cursor:pointer;box-shadow:var(--shadow)}
.hero-cover{width:118px;flex:none}
.hero-cover>*{aspect-ratio:2/3;width:100%;border-radius:4px;overflow:hidden}
.hero-cover img{width:100%;height:100%;object-fit:cover;display:block;box-shadow:0 1px 2px rgba(0,0,0,.25),0 8px 18px -8px rgba(0,0,0,.4)}
.hero-txt{min-width:0;flex:1;display:grid;gap:6px;justify-items:start}
.hero-txt small{text-transform:uppercase;letter-spacing:.12em;font-weight:700;font-size:11px;color:var(--muted)}
.hero-txt h2{font-family:var(--serif);margin:0;font-size:26px;line-height:1.15}
.hero-txt p{margin:0;color:var(--muted)}
.hero-txt .prog{width:min(320px,100%);margin-top:6px}
.hero-txt .btn{margin-top:8px}

.lib-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 0 6px;flex-wrap:wrap}
.lib-right{display:flex;align-items:center;gap:6px}
.sort{display:flex;align-items:center;gap:6px;color:var(--muted)}
.sort svg{width:18px;height:18px}
.sort select{border:0;background:none;padding:6px 4px;font-weight:600;color:var(--fg);width:auto}
.lib-count{font-size:13px;margin:4px 0 18px}

.shelf.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:34px 26px}
.card{cursor:pointer;outline-offset:6px;min-width:0}
.cover{position:relative;aspect-ratio:2/3;border-radius:3px 6px 6px 3px;overflow:hidden;background:var(--bg2);
  box-shadow:0 1px 1px rgba(0,0,0,.18),0 4px 10px -4px rgba(0,0,0,.3),0 16px 26px -18px rgba(0,0,0,.45);transition:transform .2s}
:root[data-theme=paper] .cover{box-shadow:0 0 0 1px rgba(0,0,0,.25),3px 3px 0 rgba(0,0,0,.08)}
.cover::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.18) 0,rgba(255,255,255,.12) 3px,rgba(0,0,0,.05) 6px,transparent 12px);pointer-events:none}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
:root[data-theme=paper] .cover img,:root[data-theme=paper] .hero-cover img{filter:grayscale(1) contrast(1.05)}
@media (hover:hover){.card:hover .cover{transform:translateY(-3px)}}
.card-txt{padding-top:10px;display:grid;gap:2px}
.card-txt h3{margin:0;font-size:14.5px;line-height:1.3;font-weight:650;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-txt p{margin:0;font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-txt .prog{margin-top:7px}
.card-txt small{font-size:11.5px;color:var(--muted)}
.li-meta{display:none;font-size:12px}
.badge{position:absolute;top:8px;left:8px;display:flex;align-items:center;gap:3px;background:var(--fg);color:var(--bg);font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:3px 7px;border-radius:4px}
.badge svg{width:12px;height:12px;stroke-width:2.5}
.badge.new{background:var(--bg);color:var(--fg);border:1.5px solid var(--fg)}
.fmt{position:absolute;bottom:8px;left:8px;font-size:10px;font-weight:800;letter-spacing:.08em;background:rgba(0,0,0,.65);color:#fff;padding:2px 6px;border-radius:3px}
.card-more{position:absolute;top:6px;right:6px;width:32px;height:32px;border-radius:50%;background:var(--bg);display:grid;place-items:center;opacity:0;transition:opacity .15s;border:1.5px solid var(--line)}
.card-more svg{width:18px;height:18px}
.card:hover .card-more,.card:focus-within .card-more{opacity:1}
@media (hover:none){.card-more{opacity:.92}}

.shelf.list{display:grid;gap:0}
.shelf.list .card{display:flex;gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.shelf.list .cover{width:58px;flex:none}
.shelf.list .badge,.shelf.list .fmt{display:none}
.shelf.list .card-txt{padding:0;flex:1}
.shelf.list .card-txt .prog{max-width:220px}
.shelf.list .li-meta{display:block}
.shelf.list .card-more{position:static;opacity:1;border:0;background:none}

/* generated covers */
.gen-cover{width:100%;height:100%;padding:9%;display:flex;background:#3d3b36;color:#f1eee6}
.gc-in{flex:1;border:1px solid currentColor;outline:1px solid currentColor;outline-offset:-5px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:10%;gap:10px}
.gc-in b{font-family:var(--serif);font-size:clamp(13px,1.35vw,17px);line-height:1.2;font-weight:700;word-break:break-word}
.gc-in i{width:30%;height:1px;background:currentColor;opacity:.7}
.gc-in small{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;opacity:.85}
.gen-cover.t1{background:#5a2e2a}.gen-cover.t2{background:#1f3a4d}.gen-cover.t3{background:#2f4a36}.gen-cover.t4{background:#e4dccb;color:#2b2925}.gen-cover.t5{background:#4a3b5c}
:root[data-theme=paper] .gen-cover{background:#2b2b2b}:root[data-theme=paper] .gen-cover.t4,:root[data-theme=paper] .gen-cover.t2{background:#d9d6cd;color:#1a1a1a}
.shelf.list .gc-in b{font-size:7px}.shelf.list .gc-in small,.shelf.list .gc-in i{display:none}
.hero .gc-in b{font-size:13px}

.empty{text-align:center;max-width:420px;margin:70px auto;display:grid;justify-items:center;gap:6px}
.empty-art .brand-art{width:90px;height:90px;opacity:.85}
.empty h2{font-family:var(--serif);margin:12px 0 0}
.empty .btn{margin:14px 0}

.drop-hint{position:fixed;inset:14px;border:2.5px dashed var(--fg);border-radius:22px;background:color-mix(in srgb,var(--bg) 92%,transparent);display:none;place-content:center;justify-items:center;z-index:50;text-align:center}
.drop-hint svg{width:52px;height:52px}
.drop-hint p{font-family:var(--serif);font-size:24px;margin:10px 0 2px}
body.dragging .drop-hint{display:grid}

.upq{position:fixed;right:18px;bottom:18px;width:min(360px,calc(100vw - 36px));background:var(--card);border:1.5px solid var(--fg);border-radius:14px;z-index:60;box-shadow:var(--shadow);overflow:hidden}
.upq header{display:flex;justify-content:space-between;align-items:center;padding:8px 8px 8px 16px;border-bottom:1px solid var(--line)}
.upq>div{max-height:40vh;overflow:auto}
.uq-i{padding:10px 16px;display:grid;gap:5px;border-bottom:1px solid var(--line)}
.uq-i span{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.uq-i small{font-size:12px;color:var(--muted)}
.uq-i.ok small{color:var(--fg);font-weight:700}
.uq-i.bad small{color:#b3261e}

/* ---------- sheets / dialogs ---------- */
.sheet-wrap{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-end;justify-content:center}
.sheet-scrim{position:absolute;inset:0;background:rgba(0,0,0,.28);opacity:0;transition:opacity var(--speed)}
:root[data-theme=paper] .sheet-scrim{background:rgba(0,0,0,.18)}
.sheet{position:relative;width:min(560px,100%);max-height:86vh;display:flex;flex-direction:column;background:var(--bg);border:1.5px solid var(--fg);border-bottom:0;border-radius:18px 18px 0 0;transform:translateY(24px);opacity:0;transition:transform var(--speed),opacity var(--speed);box-shadow:var(--shadow)}
:root[data-theme=paper] .sheet{background-image:var(--noise)}
.sheet-wrap.on .sheet{transform:none;opacity:1}.sheet-wrap.on .sheet-scrim{opacity:1}
.sheet-h{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 8px 10px 20px;border-bottom:1px solid var(--line)}
.sheet-h h2{margin:0;font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sheet-b{padding:16px 20px calc(20px + env(safe-area-inset-bottom));overflow:auto;overscroll-behavior:contain}
.sheet-wrap.small{align-items:center;padding:16px}
.sheet-wrap.small .sheet{border-radius:18px;border-bottom:1.5px solid var(--fg);width:min(440px,100%)}
.sheet-wrap.side{justify-content:flex-end;align-items:stretch}
.sheet-wrap.side .sheet{width:min(420px,100%);max-height:none;border-radius:0;border:0;border-left:1.5px solid var(--fg);transform:translateX(24px)}
.sheet-wrap.side.on .sheet{transform:none}

.menu{display:grid}
.menu>*{display:flex;align-items:center;gap:14px;padding:13px 6px;border-bottom:1px solid var(--line);text-decoration:none;text-align:left;font-weight:550}
.menu>*:last-child{border-bottom:0}
.menu svg{width:22px;height:22px;flex:none}
.menu small{margin-left:auto;color:var(--muted);font-weight:400;font-size:12.5px}
.menu .danger{color:#b3261e}
:root[data-theme=black] .menu .danger{color:#ff8a80}

#toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--fg);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;z-index:200;opacity:0;pointer-events:none;transition:all var(--speed);max-width:calc(100vw - 40px);text-align:center}
#toast.on{opacity:1;transform:translate(-50%,0)}

.acct{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.acct p{margin:2px 0 0;font-size:13.5px}
.storage{display:grid;gap:7px;padding:14px;border:1.5px solid var(--line);border-radius:12px;margin-bottom:8px}
.storage .prog{height:6px}
.users{display:grid;margin:12px 0 18px}
.user-i{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.user-i>div:nth-child(2){flex:1;min-width:0}
.user-i p{margin:0;font-size:12.5px}
.badge-s{font-size:10px;border:1px solid var(--fg);border-radius:4px;padding:0 4px;font-weight:700;text-transform:uppercase}
h3.sub{font-size:14px;margin:6px 0 10px}

/* =========================================================
   READER
   ========================================================= */
body.reading{overflow:hidden}
body.reading #app{display:none}
.reader{position:fixed;inset:0;z-index:20;background:var(--bg);display:grid;place-items:center;user-select:none;-webkit-user-select:none}
.device{width:100%;height:100%;position:relative}
.screen{position:absolute;inset:0;background:var(--bg);overflow:hidden;contain:strict}
:root[data-theme=paper] .screen{background-image:var(--noise),radial-gradient(ellipse at 50% 40%,rgba(255,255,255,.35),transparent 70%)}

/* the Kindle device frame (large screens) */
.reader.framed{background:radial-gradient(ellipse at 50% 30%,color-mix(in srgb,var(--desk) 70%,#fff) 0,var(--desk) 55%,color-mix(in srgb,var(--desk) 80%,#000) 100%)}
:root[data-theme=black] .reader.framed{background:radial-gradient(ellipse at 50% 30%,#242424,#0b0b0b 70%)}
.reader.framed .device{height:min(calc(100vh - 44px),1080px);width:auto;aspect-ratio:.705;border-radius:34px;padding:26px 26px 66px;
  background:linear-gradient(145deg,#2a2a2a,#121212 55%,#0c0c0c);
  box-shadow:0 0 0 1px #000,inset 0 1px 0 rgba(255,255,255,.12),inset 0 -2px 6px rgba(0,0,0,.6),0 30px 60px -20px rgba(0,0,0,.55),0 12px 24px -12px rgba(0,0,0,.4)}
.reader.framed .device::after{content:"kindley";position:absolute;left:0;right:0;bottom:24px;text-align:center;font:600 15px/1 var(--ui);letter-spacing:.08em;color:#6b6b6b}
.reader.framed .screen{inset:26px 26px 66px;border-radius:3px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.55),inset 0 2px 5px rgba(0,0,0,.35)}

/* page + page-flip layers */
.screen{perspective:2200px}
.page,.ghost-page{position:absolute;inset:0;background:var(--bg);transform-origin:0 50%;backface-visibility:hidden;-webkit-backface-visibility:hidden;will-change:transform}
:root[data-theme=paper] .page,:root[data-theme=paper] .ghost-page{background-image:var(--noise),radial-gradient(ellipse at 50% 40%,rgba(255,255,255,.35),transparent 70%)}
.page::after,.ghost-page::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:5;
  background:linear-gradient(to left,rgba(0,0,0,calc(var(--shade,0) * 1.1)) 0,rgba(0,0,0,calc(var(--shade,0) * .45)) 12%,rgba(0,0,0,calc(var(--shade,0) * .15)) 45%,transparent 80%)}
.reader:not(.flipping) .page::after{display:none}
.ghost-page{visibility:hidden;pointer-events:none}
.ghost-page.on{visibility:visible;box-shadow:2px 0 12px rgba(0,0,0,.18)}
.ghost-page .ribbon{display:none}.ghost-page.marked .ribbon{display:block}
.reader.flipping .page{box-shadow:2px 0 12px rgba(0,0,0,.18)}
.g-host{position:absolute;top:44px;bottom:40px;overflow:hidden}
.reader[data-format=pdf] .g-host{top:36px;bottom:36px}
.fold-shadow{position:absolute;top:0;bottom:0;left:0;width:70px;z-index:2;pointer-events:none;opacity:0;background:linear-gradient(to right,rgba(0,0,0,.32),rgba(0,0,0,.08) 45%,transparent)}
:root[data-theme=black] .fold-shadow{background:linear-gradient(to right,rgba(255,255,255,.08),transparent)}
.r-head{position:absolute;top:0;left:0;right:0;height:40px;display:flex;align-items:center;justify-content:center;padding:0 60px;font:500 11.5px/1 var(--ui);color:var(--muted);letter-spacing:.02em}
.r-chap{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.r-host{position:absolute;top:44px;bottom:40px;left:7%;right:7%}
.r-frame{border:0;display:block;background:transparent;position:absolute;top:0;left:0}
.r-foot{position:absolute;left:0;right:0;bottom:0;height:40px;display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,4%);font:500 11.5px/1 var(--ui);color:var(--muted)}
.r-foot-l{padding:10px 10px 10px 0;color:inherit;min-width:40px;text-align:left}
.ribbon{position:absolute;top:-3px;right:max(22px,6%);width:24px;height:36px;color:var(--fg);display:none;z-index:3;pointer-events:none}
.ribbon svg{width:100%;height:100%}
.reader.marked .ribbon{display:block}
.reader.marked [data-act=bookmark]{color:var(--fg)}
.reader.marked [data-act=bookmark] svg path{fill:currentColor}

.r-loading{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:16px;background:var(--bg);z-index:4;color:var(--muted);text-align:center;padding:24px}
:root[data-theme=paper] .r-loading{background-image:var(--noise)}
.ink-spin{width:44px;height:44px;display:grid;grid-template-columns:1fr 1fr;gap:5px}
.ink-spin::before,.ink-spin::after{content:"";border:2px solid var(--fg);border-radius:3px;animation:ink 1.2s steps(1) infinite}
.ink-spin::after{animation-delay:.6s}
.ink-spin.sm{width:26px;height:26px;margin:24px auto}
@keyframes ink{0%{background:var(--fg)}50%{background:transparent}}

/* e-ink full refresh flash */
.ink-flash{position:absolute;inset:0;pointer-events:none;z-index:30;display:none}
.ink-flash.k{display:block;background:#111}
.ink-flash.w{display:block;background:#f4f3ef}

.r-back-pill{position:absolute;left:50%;bottom:46px;transform:translateX(-50%);z-index:6;background:var(--fg);color:var(--bg);font:600 13px/1 var(--ui);padding:10px 16px;border-radius:999px;white-space:nowrap;box-shadow:var(--shadow)}

/* toolbars */
.r-bar{position:absolute;left:0;right:0;z-index:8;background:var(--bg);display:none;font-family:var(--ui)}
:root[data-theme=paper] .r-bar{background-image:var(--noise)}
.reader.bar .r-bar{display:flex}
.r-bar.top{top:0;align-items:center;gap:2px;padding:6px 8px;border-bottom:1.5px solid var(--fg);padding-top:max(6px,env(safe-area-inset-top))}
.r-title{flex:1;min-width:0;display:grid;padding:0 8px;line-height:1.25}
.r-title b{font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.r-title small{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.r-bar.bottom{bottom:0;flex-direction:column;border-top:1.5px solid var(--fg);padding:12px 16px calc(6px + env(safe-area-inset-bottom))}
.r-scrub{display:grid;gap:6px}
.r-scrub output{font-size:12px;color:var(--muted);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:26px;background:transparent;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:3px;background:var(--fg);border-radius:3px}
input[type=range]::-moz-range-track{height:3px;background:var(--fg);border-radius:3px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--bg);border:2px solid var(--fg);margin-top:-8.5px}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--fg)}
.r-tabs{display:flex;justify-content:space-around;margin-top:8px}
.r-tabs button{display:grid;justify-items:center;gap:3px;font-size:11.5px;font-weight:600;padding:6px 14px;border-radius:10px}
.r-tabs svg{width:23px;height:23px}
.r-tabs button:hover{background:var(--soft)}

/* selection popup */
.sel-pop{position:fixed;z-index:90;background:var(--bg);border:1.5px solid var(--fg);border-radius:14px;padding:10px;display:grid;gap:8px;box-shadow:var(--shadow);font-family:var(--ui);user-select:none;-webkit-user-select:none;max-width:calc(100vw - 20px)}
:root[data-theme=paper] .sel-pop{background-image:var(--noise)}
.sp-colors{display:flex;gap:12px;justify-content:center;padding:2px 0 8px;border-bottom:1px solid var(--line)}
.sw{width:28px;height:28px;border-radius:50%;border:1.5px solid rgba(0,0,0,.25);display:inline-block;flex:none}
.sw.on{outline:2px solid var(--fg);outline-offset:2px}
.sw.c-yellow{background:#ffd600}.sw.c-blue{background:#60aaff}.sw.c-pink{background:#ff78aa}.sw.c-orange{background:#ffa03c}
:root[data-theme=paper] .sw{background:none!important;border:2px solid #1a1a1a;background-image:none}
:root[data-theme=paper] .sw.c-yellow{background:#bdbbb5!important}
:root[data-theme=paper] .sw.c-blue{background:repeating-linear-gradient(45deg,#1a1a1a 0 2px,transparent 2px 6px)!important}
:root[data-theme=paper] .sw.c-pink{background:radial-gradient(#1a1a1a 1.4px,transparent 1.6px) 0 0/6px 6px!important}
:root[data-theme=paper] .sw.c-orange{background:#6f6e69!important}
.nb-meta .sw{width:11px;height:11px;border-width:1px}
.sp-acts{display:flex;gap:2px}
.sp-acts button{display:grid;justify-items:center;gap:3px;padding:6px 9px;border-radius:9px;font-size:11.5px;font-weight:600;min-width:58px}
.sp-acts svg{width:22px;height:22px}
.sp-acts button:hover{background:var(--soft)}

/* Aa sheet */
.aa-sec{padding:12px 0;border-bottom:1px solid var(--line)}
.aa-sec:last-child{border-bottom:0}
.aa-sec h3{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.aa-sec h3 small{text-transform:none;letter-spacing:0;font-weight:400}
.themes{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.theme{display:grid;justify-items:center;gap:6px;font-size:12px;font-weight:600}
.theme i{width:100%;aspect-ratio:1;max-width:58px;border-radius:12px;display:grid;place-items:center;font-style:normal;font-family:var(--serif);font-size:19px;border:1.5px solid rgba(0,0,0,.2)}
.theme.on i{outline:2.5px solid var(--fg);outline-offset:2px}
.t-paper i{background:#e9e7e0 var(--noise);color:#1a1a1a}.t-white i{background:#fff;color:#111}.t-sepia i{background:#f5edda;color:#4a3a29}.t-green i{background:#d8e7d1;color:#22301f}.t-black i{background:#000;color:#ddd;border-color:#444}
.fonts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.font{display:grid;justify-items:center;gap:2px;padding:10px 4px;border:1.5px solid var(--line);border-radius:12px}
.font i{font-style:normal;font-size:24px;line-height:1.1}
.font span{font-size:12px;font-family:var(--ui)}
.font.on{border-color:var(--fg);box-shadow:inset 0 0 0 1px var(--fg)}
.sizer{display:flex;align-items:center;gap:12px}
.sizer button{width:44px;height:44px;border:1.5px solid var(--line);border-radius:12px;font-family:var(--serif);display:grid;place-items:center}
.sizer small{font-size:14px}.sizer big{font-size:24px}
.dots{flex:1;display:flex;justify-content:space-between;align-items:center;height:30px;cursor:pointer}
.dots i{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--fg)}
.dots i.on{background:var(--fg)}
.seg{display:flex;border:1.5px solid var(--fg);border-radius:12px;overflow:hidden}
.seg button{flex:1;padding:9px 4px;font-size:12.5px;font-weight:600;display:grid;justify-items:center;gap:4px;border-right:1.5px solid var(--fg)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--fg);color:var(--bg)}
.ln{width:20px;height:16px}
.tog{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:14px;cursor:pointer}
.tog input{width:20px;height:20px;accent-color:var(--fg)}
.tog small{color:var(--muted)}

/* contents */
.goto-form,.search-form{display:flex;gap:8px;margin-bottom:12px}
.goto-form input,.search-form input{flex:1}
.toc{display:grid}
.toc-i{display:flex;align-items:baseline;gap:10px;text-align:left;padding:12px 4px;border-bottom:1px solid var(--line);width:100%;font-size:15px}
.toc-i span{flex:1}
.toc-i small{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.toc-i.lvl1{padding-left:22px;font-size:14px}.toc-i.lvl2{padding-left:40px;font-size:13.5px}.toc-i.lvl3{padding-left:56px;font-size:13px}
.toc-i.cur{font-weight:700}
.toc-i.cur span::before{content:"";display:inline-block;width:7px;height:7px;background:var(--fg);border-radius:50%;margin:0 8px 2px 0}

/* notebook */
.nb-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px}
.nb-top .btn svg{width:16px;height:16px}
.nb-i{padding:16px 2px;border-bottom:1px solid var(--line);cursor:pointer}
.nb-meta{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);font-weight:600}
.nb-meta svg{width:13px;height:13px}
.nb-i blockquote{margin:8px 0 0;font-family:var(--serif);font-size:15.5px;line-height:1.55;border-left:3px solid var(--fg);padding-left:12px}
.nb-note{margin:10px 0 0;padding:10px 12px;background:var(--soft);border-radius:10px;font-size:14px;white-space:pre-wrap}
.nb-note::before{content:"Note  ";font-weight:800;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.nb-bm{margin:6px 0 0;font-family:var(--serif);color:var(--muted);font-size:14.5px}
.nb-acts{display:flex;gap:4px;margin-top:10px}
.nb-acts button{display:flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--muted);padding:5px 8px;border-radius:8px}
.nb-acts svg{width:16px;height:16px}
.nb-acts button:hover{background:var(--soft);color:var(--fg)}
.empty-nb{text-align:center;padding:40px 10px;color:var(--muted);display:grid;justify-items:center;gap:4px}
.empty-nb svg{width:44px;height:44px}
.empty-nb p{font-family:var(--serif);color:var(--fg);font-size:18px;margin:8px 0 0}

/* search */
.s-count{font-size:12.5px;margin:0 0 4px}
.s-i{display:grid;gap:4px;text-align:left;padding:12px 2px;border-bottom:1px solid var(--line);width:100%}
.s-i small{font-size:11.5px;color:var(--muted);font-weight:600}
.s-i span{font-family:var(--serif);font-size:14.5px;line-height:1.5}
.s-i mark{background:var(--fg);color:var(--bg);padding:0 2px;border-radius:2px}

/* lookup */
.lookup .sheet-h h2{font-family:var(--serif);font-size:20px}
.lk-tabs{display:flex;gap:6px;margin-bottom:14px}
.lk-tabs button{padding:7px 14px;border-radius:999px;border:1.5px solid var(--line);font-size:13px;font-weight:600}
.lk-tabs button.on{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.dict-h{display:flex;align-items:baseline;gap:10px;font-family:var(--serif);font-size:22px;margin-bottom:6px}
.dict-m{margin:12px 0}
.dict-m>i{font-family:var(--serif);color:var(--muted)}
.dict-m ol{margin:6px 0 0;padding-left:20px;font-family:var(--serif);font-size:15px;line-height:1.55}
.dict-m li{margin-bottom:6px}
.ex{color:var(--muted);font-style:italic;font-size:14px}
.syn{font-size:13.5px;margin:4px 0 0}
.wiki img{float:right;width:96px;margin:0 0 8px 12px;border-radius:6px}
:root[data-theme=paper] .wiki img{filter:grayscale(1)}
.wiki h4{margin:0 0 6px;font-family:var(--serif);font-size:18px}
.wiki p{font-family:var(--serif);font-size:15px;line-height:1.6;margin:0 0 10px}
.wiki a{font-weight:600;font-size:14px}
.tr label{display:flex;align-items:center;gap:8px;font-size:13px}
.tr select{width:auto;padding:6px 10px}
.tr-src{color:var(--muted);font-family:var(--serif);font-size:14px;border-left:3px solid var(--line);padding-left:12px}
.tr-out{font-family:var(--serif);font-size:18px;line-height:1.6}

.quote{margin:0 0 12px;font-family:var(--serif);font-size:15px;line-height:1.5;border-left:3px solid var(--fg);padding-left:12px;max-height:120px;overflow:auto}
.note-ta{margin-bottom:12px}
.fn-text{font-family:var(--serif);font-size:16px;line-height:1.6;margin:0 0 14px}
.info{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0}
.info dt{color:var(--muted);font-size:13px}.info dd{margin:0;font-weight:550}
.eob{text-align:center;display:grid;justify-items:center}
.eob-mark{width:56px;height:56px;border-radius:50%;border:2px solid var(--fg);display:grid;place-items:center}
.eob-mark svg{width:30px;height:30px}
.eob .row{width:100%}
.tip-grid{display:grid;grid-template-columns:1fr 2.2fr;grid-template-rows:auto 1fr;aspect-ratio:1.6;border:1.5px solid var(--fg);border-radius:12px;overflow:hidden;margin-bottom:14px}
.tz{display:grid;place-content:center;text-align:center;padding:8px;font-size:13px;border:1px dashed var(--line)}
.tz small{color:var(--muted);font-size:11.5px}
.tz.t{grid-column:1;grid-row:1;border-bottom:1.5px solid var(--fg)}.tz.c{grid-column:2;grid-row:1;border-bottom:1.5px solid var(--fg);background:var(--soft)}
.tz.l{grid-column:1;grid-row:2;background:var(--soft)}.tz.r{grid-column:2;grid-row:2}
.tip-list{margin:0 0 14px;padding-left:18px;display:grid;gap:6px;font-size:14px}

/* PDF */
.reader[data-format=pdf] .r-host{top:36px;bottom:36px}
.pdf-stage{height:100%;display:flex;align-items:center;justify-content:center;gap:16px}
.pdf-stage.width{height:auto;align-items:flex-start;width:max-content;min-width:100%;padding-bottom:8px}
.reader[data-format=pdf] .r-host:has(.pdf-stage.width){overflow:auto;-webkit-overflow-scrolling:touch}
.pdf-page{position:relative;flex:none;background:#fff}
:root[data-theme=paper] .pdf-page{background:transparent;mix-blend-mode:multiply}
:root[data-theme=black] .pdf-page{background:#111}
:root[data-theme=sepia] .pdf-page,:root[data-theme=green] .pdf-page{mix-blend-mode:multiply;background:transparent}
.pdf-page canvas{width:100%;height:100%;display:block}
.pdf-hl{position:absolute;inset:0;pointer-events:none;mix-blend-mode:multiply}
:root[data-theme=black] .pdf-hl{mix-blend-mode:screen}
.pdf-mark{position:absolute;border-radius:2px}
.reader[data-format=pdf]{user-select:text;-webkit-user-select:text}
.reader[data-format=pdf] .r-bar,.reader[data-format=pdf] .r-foot,.reader[data-format=pdf] .r-head{user-select:none;-webkit-user-select:none}
.textLayer{position:absolute;text-align:initial;inset:0;overflow:clip;opacity:1;line-height:1;letter-spacing:normal;word-spacing:normal;-webkit-text-size-adjust:none;text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;z-index:2;
  --min-font-size:1;--text-scale-factor:calc(var(--total-scale-factor) * var(--min-font-size));--min-font-size-inv:calc(1 / var(--min-font-size))}
.textLayer span,.textLayer br{color:transparent;position:absolute;white-space:pre;cursor:text;transform-origin:0% 0%}
.textLayer > :not(.markedContent),.textLayer .markedContent span:not(.markedContent){z-index:1;--font-height:0;font-size:calc(var(--text-scale-factor) * var(--font-height));--scale-x:1;--rotate:0deg;transform:rotate(var(--rotate)) scaleX(var(--scale-x)) scale(var(--min-font-size-inv))}
.textLayer .markedContent{display:contents}
.textLayer ::selection{background:rgba(0,90,255,.28);color:transparent}
:root[data-theme=paper] .textLayer ::selection{background:rgba(0,0,0,.25)}
.textLayer br::selection{background:transparent}
.textLayer .endOfContent{display:block;position:absolute;inset:100% 0 0;z-index:0;cursor:default;user-select:none}
.textLayer.selecting .endOfContent{top:0}

/* ---------- responsive ---------- */
@media (max-width:700px){
  .lib{padding:0 14px 70px}
  .lib-bar{gap:8px;flex-wrap:wrap;padding:10px 0}
  .lib-search{order:5;max-width:none;flex-basis:100%;margin:0;height:40px}
  .up-btn{margin-left:auto;height:38px;padding:0 13px}
  .up-btn span{display:none}
  .hero{gap:16px;padding:14px;margin-top:16px}
  .hero-cover{width:84px}
  .hero-txt h2{font-size:19px}
  .hero-txt .btn{height:36px;font-size:13.5px}
  .shelf.grid{grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:24px 14px}
  .card-txt h3{font-size:13px}
  .card-txt p{font-size:12px}
  .themes .theme span{font-size:11px}
  .sp-acts button{min-width:52px;padding:6px 5px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}