/* Tree-ring timeline: each ring a year, each dot a text; the heart of the trunk previews what you point at. */
:root{
  --bg:#F2F4F7; --bg-dot:#D9DEE6; --surface:#FFFFFF; --surface-2:#F5F7FA;
  --ink:#141B2B; --ink-2:#4A5468; --ink-3:#7D879A; --ring:#C9D0DB; --line:#E3E7EE; --band:rgba(40,60,100,.045);
  --shadow:0 1px 2px rgba(20,27,43,.06),0 8px 28px rgba(20,27,43,.08);
  --viagens:#F6B21B; --familia:#F5832F; --leituras:#EB4F80; --interior:#2FB894; --ideias:#29AFD3; --politica:#2F7FD6;
  --on-cat:#10141F;
  --f-ui:"Open Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --ls-tight:-.03em; --ls-wide:.08em;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0D1320; --bg-dot:#1B2436; --surface:#151D2D; --surface-2:#1B2436;
  --ink:#EEF1F7; --ink-2:#B3BCCD; --ink-3:#8590A3; --ring:#2E3A50; --line:#243049; --band:rgba(160,190,255,.04);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0D1320; --bg-dot:#1B2436; --surface:#151D2D; --surface-2:#1B2436;
  --ink:#EEF1F7; --ink-2:#B3BCCD; --ink-3:#8590A3; --ring:#2E3A50; --line:#243049; --band:rgba(160,190,255,.04);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35); color-scheme:dark}
:root[lang="hi"]{--f-ui:"Noto Sans Devanagari","Open Sans",system-ui,sans-serif;--ls-tight:0;--ls-wide:0}
:root[lang="ja"]{--f-ui:"Open Sans","Noto Sans JP","Hiragino Sans","Yu Gothic",system-ui,sans-serif;--ls-tight:0;--ls-wide:.04em}
:root[lang="zh-Hans"]{--f-ui:"Open Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;--ls-tight:0;--ls-wide:.04em}
:root[lang="ar"]{--f-ui:"Noto Sans Arabic","Open Sans",system-ui,sans-serif;--ls-tight:0;--ls-wide:0}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-ui);font-size:15px;line-height:1.55;
  background-image:radial-gradient(var(--bg-dot) 1.1px,transparent 1.2px);background-size:18px 18px}
.wrap{max-width:1260px;margin:0 auto;padding-inline:clamp(16px,3vw,40px);padding-block:20px 40px}
button{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--politica);outline-offset:2px;border-radius:6px}

/* top bar */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mark{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px;color:var(--ink-2);min-width:0}
.mark svg{width:26px;height:26px;flex:none}
.mark span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px 6px 8px;cursor:pointer;box-shadow:var(--shadow);font-weight:600;font-size:14px}
.flag{width:22px;height:15px;border-radius:3px;overflow:hidden;display:block;flex:none;box-shadow:0 0 0 1px rgba(0,0,0,.1)}
.lang-menu{position:absolute;inset-inline-end:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:6px;min-width:200px;z-index:30}
.lang-menu button{display:flex;width:100%;align-items:center;gap:10px;padding:9px 10px;border:0;background:none;border-radius:9px;cursor:pointer;text-align:start;font-size:14px}
.lang-menu button:hover,.lang-menu button[aria-checked="true"]{background:var(--surface-2)}
.lang-menu small{margin-inline-start:auto;color:var(--ink-3);font-size:12px;font-family:"Open Sans",sans-serif}

/* main grid */
.main{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:start;margin-top:28px}
.side{display:grid;gap:22px;position:sticky;top:16px}
h1{font-weight:800;font-size:clamp(46px,6.4vw,84px);line-height:.98;letter-spacing:var(--ls-tight);margin:0;text-wrap:balance}
:root[lang="hi"] h1,:root[lang="ar"] h1{line-height:1.25}
h1 .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.08em}
h1 .w span{display:inline-block}
h1 .soft{font-weight:400;color:var(--ink-2)}
.spectrum{display:flex;gap:6px;margin:18px 0 0}
.spectrum i{height:8px;flex:1;border-radius:99px;transform-origin:left}
:root[dir="rtl"] .spectrum i{transform-origin:right}
.lead{color:var(--ink-2);font-size:16px;max-width:38ch;margin:16px 0 0;text-wrap:pretty}
.stats{display:flex;gap:24px;margin-top:16px;font-variant-numeric:tabular-nums}
.stats b{display:block;font-size:28px;font-weight:700;line-height:1.1;letter-spacing:-.02em}
.stats span{font-size:12px;color:var(--ink-3);letter-spacing:var(--ls-wide);text-transform:uppercase}

/* categories */
.cats{background:var(--surface);border-radius:20px;box-shadow:var(--shadow);padding:8px}
.cats-h{display:flex;justify-content:space-between;align-items:baseline;padding:10px 12px 6px}
.cats-h h2{font-size:12.5px;letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--ink-3);font-weight:700;margin:0}
.cats-h button{border:0;background:none;color:var(--ink-2);font-size:13px;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.cat{display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:4px 12px;align-items:center;width:100%;border:0;background:none;padding:9px 10px;border-radius:14px;cursor:pointer;text-align:start;transition:background .2s,opacity .2s}
.cat:hover{background:var(--surface-2)}
.cat .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--c);color:var(--on-cat);grid-row:span 2}
.cat .ic svg{width:20px;height:20px}
.cat .nm{font-weight:600;font-size:15px}
.cat .n{font-weight:700;font-size:20px;font-variant-numeric:tabular-nums;grid-row:span 2;min-width:2ch;text-align:end}
.cat .bar{height:5px;border-radius:9px;background:var(--surface-2);overflow:hidden}
.cat .bar i{display:block;height:100%;background:var(--c);border-radius:9px;width:var(--w);transition:width 1s cubic-bezier(.2,.8,.2,1)}
.cats.filtering .cat:not([aria-pressed="true"]){opacity:.45}
.cat[aria-pressed="true"]{background:var(--surface-2)}
.book-card{display:flex;gap:16px;align-items:center;background:var(--surface);border-radius:20px;box-shadow:var(--shadow);padding:14px 16px;color:inherit;text-decoration:none;transition:transform .2s}
.book-card:hover{transform:translateY(-2px)}
.book-card img{width:64px;height:auto;border-radius:4px;box-shadow:0 6px 16px rgba(10,14,24,.25);flex:none}
.book-card .bk{display:grid;gap:2px;min-width:0}
.book-card .k{font-size:12px;letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--ink-3)}
.book-card b{font-size:16px}
.book-card .tx{font-size:13.5px;color:var(--ink-2)}
.book-card .cta{display:inline-flex;align-items:center;gap:6px;margin-top:6px;font-size:14px;font-weight:600;color:var(--politica)}
.book-card .cta svg{width:15px;height:15px}
[dir="rtl"] .book-card .cta svg{transform:scaleX(-1)}
.hint{font-size:13px;color:var(--ink-3);display:flex;gap:8px;align-items:center;margin:0}

/* rings */
.stage{position:relative;width:100%;max-width:820px;margin-inline:auto;aspect-ratio:1/1}
.stage svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;touch-action:manipulation;direction:ltr}
.band{fill:none;stroke:var(--band);stroke-width:40}
.ring{fill:none;stroke:var(--ring);stroke-width:1.2}
.yr{font-family:"Open Sans",sans-serif;font-weight:700;font-size:13.5px;fill:var(--ink-2);stroke:var(--bg);stroke-width:5px;stroke-linejoin:round;paint-order:stroke}
.mo{font-family:var(--f-ui);font-size:12.5px;font-weight:600;fill:var(--ink-3);letter-spacing:var(--ls-wide);text-transform:uppercase}
.tick{stroke:var(--ring);stroke-width:1}
.dot{stroke:var(--bg);stroke-width:1.6;transition:opacity .25s}
.dot.dim{opacity:.13}
.halo{fill:none;stroke-width:2;pointer-events:none}
.needle{stroke-width:1.6;stroke-dasharray:2 4;stroke-linecap:round;pointer-events:none}
.center{position:absolute;left:50%;top:50%;width:29%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:var(--surface);box-shadow:var(--shadow);display:grid;place-items:center;text-align:center;pointer-events:none;overflow:hidden;border:3px solid transparent;transition:border-color .2s}
.center .ph{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .35s}
.center .ph.on{opacity:1}
.center .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,12,22,.15) 0%,rgba(8,12,22,.72) 100%)}
.center .in{position:relative;padding:12%;display:grid;gap:6px;justify-items:center}
.center .idle b{display:block;font-weight:800;font-size:clamp(26px,4.4vw,48px);line-height:1;letter-spacing:-.03em}
.center .idle span{font-size:clamp(10px,1.2vw,13px);color:var(--ink-3);letter-spacing:var(--ls-wide);text-transform:uppercase}
.peek .d{font-size:clamp(10px,1.1vw,12px);letter-spacing:var(--ls-wide);text-transform:uppercase;font-variant-numeric:tabular-nums;color:var(--ink-3)}
.peek .t{font-weight:700;font-size:clamp(12px,1.7vw,18px);line-height:1.18;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;text-wrap:balance}
.center.photo .peek .d,.center.photo .peek .t{color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--c);color:var(--on-cat);border-radius:999px;padding:3px 10px 3px 8px;font-size:12px;font-weight:600;white-space:nowrap}
.chip svg{width:14px;height:14px}
.peek .chip{font-size:clamp(9px,1vw,12px)}

/* footer */
.foot-site{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;color:var(--ink-3);font-size:13px}
.foot-site p{margin:0;max-width:70ch}

/* reader */
.scrim{position:fixed;inset:0;background:rgba(10,14,24,.6);display:grid;place-items:center;padding:16px;z-index:50;backdrop-filter:blur(3px)}
.reader{width:min(800px,100%);max-height:calc(100dvh - 32px);overflow:auto;background:var(--surface);border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.35);overscroll-behavior:contain}
.reader:focus{outline:none}
.art{position:relative;height:clamp(180px,34vw,320px);background:var(--c);color:var(--on-cat);overflow:hidden;border-radius:24px 24px 0 0}
.art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;max-width:none}
.art.has-img::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--c)}
.art svg.rings{position:absolute;inset-inline-end:-12%;top:-55%;width:75%;opacity:.9}
.art .when{position:absolute;inset-inline-start:28px;bottom:22px;line-height:.95}
.art .when b{display:block;font-size:clamp(48px,9vw,84px);font-weight:800;letter-spacing:-.04em}
.art .when span{font-size:15px;font-weight:600;letter-spacing:var(--ls-wide);text-transform:uppercase}
.art .close{position:absolute;inset-inline-end:14px;top:14px;width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.9);color:#141B2B;cursor:pointer;display:grid;place-items:center;z-index:2}
.art .close svg{width:18px;height:18px}
.cap{font-size:12.5px;color:var(--ink-3);padding:8px clamp(20px,5vw,56px) 0;margin:0}
.rd{padding:22px clamp(20px,5vw,56px) 28px}
.meta{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;color:var(--ink-3);font-size:13px}
.rd h2{font-weight:800;font-size:clamp(28px,4.2vw,40px);line-height:1.1;letter-spacing:var(--ls-tight);margin:14px 0 4px;text-wrap:balance}
:root[lang="hi"] .rd h2,:root[lang="ar"] .rd h2{line-height:1.4}
.rd .sub{font-style:italic;font-size:19px;color:var(--ink-2);margin:0}
.notice{margin:18px 0 0;padding:12px 14px;border-radius:12px;background:var(--surface-2);color:var(--ink-2);font-size:13.5px;line-height:1.5;display:flex;gap:12px;align-items:flex-start}
.notice .flag{margin-top:2px}
.notice button{margin-inline-start:auto;flex:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 12px;font-size:13px;cursor:pointer;white-space:nowrap}
.body{font-size:17.5px;line-height:1.78;margin-top:22px;max-width:64ch}
:root[lang="ja"] .body,:root[lang="zh-Hans"] .body{line-height:1.95;font-size:17px}
:root[lang="ar"] .body,:root[lang="hi"] .body{line-height:1.95}
.body p{margin:0 0 1em}
.body h3{font-size:19px;margin:1.4em 0 .5em}
.body ul{padding-inline-start:1.2em}
.body hr{border:0;text-align:center;margin:1.4em 0}
.body hr::after{content:"• • •";color:var(--ink-3);letter-spacing:.4em}
.body blockquote{margin:1.3em 0;padding:2px 0;padding-inline-start:20px;border-inline-start:3px solid var(--c);color:var(--ink-2);font-size:16px}
.body blockquote p{margin:0 0 .5em}
.body cite{display:block;font-style:normal;font-size:13px;color:var(--ink-3);margin-top:6px}
.body .vt{font-style:italic}
.body .verse{direction:ltr;text-align:left}
.body .pull{text-align:center;font-style:italic;font-size:19px;color:var(--ink)}
.body .ref{text-align:center;font-style:italic;color:var(--ink-3)}
.body.loading{opacity:.4}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center;border-top:1px solid var(--line);margin-top:26px;padding-top:18px}
.share{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.share span{font-size:13px;color:var(--ink-3);margin-inline-end:4px}
.share a,.share button,.nav button,.medium{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:14px;cursor:pointer;text-decoration:none;font-weight:600}
.share a:hover,.share button:hover,.nav button:hover,.medium:hover{background:var(--surface-2)}
.share svg,.nav svg,.medium svg{width:16px;height:16px}
:root[dir="rtl"] .nav svg{transform:scaleX(-1)}
.nav{display:flex;gap:8px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:999px;font-size:14px;z-index:60;max-width:calc(100% - 32px)}

/* opening animation */
@media (prefers-reduced-motion:no-preference){
  .anim h1 .w span{animation:rise .9s cubic-bezier(.2,.9,.2,1) both}
  .anim h1 .w:nth-child(2) span{animation-delay:.12s}
  .anim h1 .w:nth-child(3) span{animation-delay:.24s}
  .anim .spectrum i{animation:grow .7s cubic-bezier(.2,.9,.2,1) both}
  .anim .lead,.anim .stats,.anim .cats,.anim .book,.anim .hint{animation:fade .8s ease both;animation-delay:.5s}
  .anim .band{animation:fade 1s ease both;animation-delay:.4s}
  .anim .ring{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);animation:draw 1.1s cubic-bezier(.4,0,.2,1) forwards}
  .anim .yr,.anim .mo,.anim .tick{animation:fade .6s ease both;animation-delay:1.1s}
  .anim .dot{animation:pop .5s cubic-bezier(.3,1.6,.5,1) both}
  .anim .center{animation:pop2 .8s cubic-bezier(.2,.9,.2,1) both;animation-delay:.2s}
}
@keyframes rise{from{transform:translateY(105%)}to{transform:none}}
@keyframes grow{from{transform:scaleX(0)}to{transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{from{transform:scale(0)}to{transform:none}}
@keyframes pop2{from{transform:translate(-50%,-50%) scale(.6);opacity:0}to{transform:translate(-50%,-50%);opacity:1}}
.dot{transform-box:fill-box;transform-origin:center}

@media (max-width:900px){
  .main{grid-template-columns:minmax(0,1fr)}
  .side{position:static;display:contents}
  .intro{order:1}.ringcol{order:2}.cats{order:3}.book{order:4}.hint{order:5}
}
@media (max-width:560px){
  .mo{font-size:24px}.yr{font-size:22px;stroke-width:7px}
  .mark .yrs{display:none}
  .center .peek .chip{display:none}
  .foot{flex-direction:column;align-items:stretch}
  .notice{flex-wrap:wrap}
}