/* claudhopper.com — a pond with opinions
   sky #dff1e6, paper #fbfdf6, water #0c3b3e, pad #2c8a4f, duckweed #cdea4f, lily #ff7fae, sun #ffd23f, mud #54402b */
:root{
  --sky:#dff1e6; --paper:#fbfdf6; --water:#0c3b3e; --water-2:#145457; --pad:#2c8a4f; --pad-dk:#1f6a3b;
  --duckweed:#cdea4f; --lily:#ff7fae; --sun:#ffd23f; --mud:#54402b; --mud-lt:#f1e4d1;
  --ink:#0f2b2c; --ink-soft:#486462; --rule:#bcd5c6; --focus:#c2185b;
  --poster:'Bowlby One','Arial Black',Impact,sans-serif;
  --display:'Bricolage Grotesque','Arial Narrow',system-ui,sans-serif;
  --body:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--body);font-size:1.0625rem;line-height:1.6;color:var(--ink);background:var(--sky);overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--pad-dk);text-decoration-thickness:.1em;text-underline-offset:.18em}
a:hover{color:var(--water);background:var(--duckweed)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.wrap{max-width:72rem;margin:0 auto;padding-left:1.25rem;padding-right:1.25rem}
.skip{position:absolute;left:-999px;top:.5rem;background:var(--water);color:#fff;padding:.5rem .9rem;border-radius:6px;z-index:99}
.skip:focus{left:.75rem}

/* header */
.site-head{background:var(--paper);border-bottom:3px solid var(--water);position:relative;z-index:5}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:.6rem 1rem;flex-wrap:wrap;padding-top:.6rem;padding-bottom:.6rem}
.mark{display:flex;align-items:center;gap:.5rem;font-family:var(--poster);font-size:1.5rem;color:var(--water);text-decoration:none;letter-spacing:.01em}
.mark:hover{background:none;color:var(--pad-dk)}
.mark svg{width:2.3rem;height:2.3rem;flex:none;transition:transform .2s}
.mark:hover svg{transform:rotate(-12deg) translateY(-3px)}
.site-nav{display:flex;flex-wrap:wrap;gap:.2rem .3rem;font-size:.98rem;font-weight:600}
.site-nav a{color:var(--ink);text-decoration:none;padding:.25rem .7rem;border-radius:99px}
.site-nav a:hover{background:var(--duckweed)}
.site-nav a[aria-current="page"]{background:var(--water);color:#fff}

/* type */
h1,h2,h3{color:var(--water);line-height:1.05}
h1{font-family:var(--poster);font-weight:400;font-size:clamp(2.6rem,7.4vw,5.6rem);letter-spacing:-.005em}
h2{font-family:var(--display);font-weight:800;font-size:clamp(1.7rem,3.6vw,2.6rem);letter-spacing:-.025em;margin:0 0 .7rem}
h3{font-family:var(--display);font-weight:700;font-size:1.25rem;line-height:1.2;letter-spacing:-.01em;margin:1.6rem 0 .35rem}
p{margin:0 0 1rem;max-width:42rem}
ul,ol{margin:0 0 1rem 1.25rem;max-width:42rem}
li{margin-bottom:.35rem}
strong{font-weight:600}
code{font-family:var(--mono);font-size:.88em;background:#cfe6d6;padding:.08em .32em;border-radius:4px}
.lede{font-size:1.25rem;line-height:1.5;max-width:40rem}
.quiet{color:var(--ink-soft);font-size:.95rem}

/* stickers and stamps */
.stickers{display:flex;flex-wrap:wrap;gap:.7rem;margin:1.4rem 0 0;list-style:none;max-width:none}
.stickers li{margin:0;font-family:var(--display);font-weight:800;font-size:1rem;line-height:1.1;padding:.5rem .85rem;border:3px solid var(--water);border-radius:10px;background:var(--sun);color:var(--water);box-shadow:4px 4px 0 var(--water)}
.stickers li:nth-child(1){transform:rotate(-3deg)}
.stickers li:nth-child(2){transform:rotate(2deg);background:var(--lily)}
.stickers li:nth-child(3){transform:rotate(-1.5deg);background:var(--duckweed)}
.stamp{display:inline-grid;place-items:center;text-align:center;width:8.2rem;height:8.2rem;border:3px dashed var(--duckweed);border-radius:50%;color:var(--duckweed);font-family:var(--display);font-weight:800;font-size:.86rem;line-height:1.15;transform:rotate(-9deg);padding:.6rem;flex:none}
.stamp b{display:block;font-family:var(--poster);font-weight:400;font-size:1.25rem;color:#fff}

/* frog says */
.says{display:flex;align-items:flex-end;gap:.6rem;max-width:26rem}
.says svg{width:4.2rem;height:4.2rem;flex:none}
.says p{position:relative;margin:0 0 1.4rem;background:var(--paper);color:var(--ink);border:3px solid var(--water);border-radius:18px 18px 18px 4px;padding:.7rem .95rem;font-family:var(--display);font-weight:700;font-size:1.05rem;line-height:1.3;box-shadow:4px 4px 0 var(--duckweed)}

/* page head: a strip of deep water */
.page-head{background:var(--water);color:#e6f5ea;position:relative;padding:2.6rem 0 4.2rem}
.page-head .wrap{display:flex;gap:1.5rem 3rem;align-items:flex-end;justify-content:space-between;flex-wrap:wrap}
.page-head h1{color:#fff;font-size:clamp(2.4rem,6.2vw,4.4rem);margin-bottom:.8rem}
.page-head .lede{color:#e6f5ea}
.page-head .side{display:flex;gap:1.2rem;align-items:flex-end;flex-wrap:wrap}
.page-head a{color:var(--duckweed)}
.wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:2.4rem;display:block}

section.block{padding:2.6rem 0}
section.block + section.block{border-top:2px dashed var(--rule)}
section.block.mud{background:var(--mud-lt);border-top:0}
section.block.mud + section.block{border-top:0}
section.block.deep{background:var(--water);color:#e6f5ea;border-top:0}
section.block.deep h2{color:#fff}
section.block.deep a{color:var(--duckweed)}
section.block.deep a:hover{color:var(--water)}
section.block.deep .rows{border-color:#2d6164}
section.block.deep .rows li{border-color:#2d6164}
section.block.deep .rows .t{color:var(--duckweed)}
section.block.deep .rows .d{color:#e6f5ea}
section.block.deep + section.block{border-top:0}

/* command blocks */
.cmd{position:relative;background:var(--water);color:#e9f6ee;border-radius:12px;margin:.5rem 0 1.1rem;max-width:46rem;box-shadow:5px 5px 0 var(--duckweed)}
.cmd pre{font-family:var(--mono);font-size:.9rem;line-height:1.55;padding:1rem 4.6rem 1rem 1.1rem;overflow-x:auto;white-space:pre}
.cmd .os{display:block;font-family:var(--display);font-size:.9rem;font-weight:700;color:var(--duckweed);padding:.7rem 1.1rem 0}
.cmd .os + pre{padding-top:.35rem}
.cmd button{position:absolute;top:.55rem;right:.55rem;font:700 .8rem var(--body);background:var(--duckweed);color:var(--water);border:0;border-radius:99px;padding:.3rem .7rem;cursor:pointer}
.cmd button:hover{background:var(--sun)}

/* tables */
.table-wrap{overflow-x:auto;margin:.6rem 0 1.2rem;border:3px solid var(--water);border-radius:14px;background:var(--paper);box-shadow:5px 5px 0 var(--pad)}
table{border-collapse:collapse;width:100%;font-size:.97rem}
th,td{text-align:left;padding:.65rem .9rem;border-bottom:1px solid var(--rule);vertical-align:top}
tr:last-child td{border-bottom:0}
th{font-family:var(--display);font-weight:800;color:#fff;background:var(--water);white-space:nowrap}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}

/* callouts */
.clod,.hop{position:relative;border:3px solid var(--mud);border-radius:14px;padding:.9rem 1.1rem .9rem 4.4rem;margin:1.2rem 0 1.4rem;max-width:46rem;background:var(--mud-lt);box-shadow:5px 5px 0 var(--mud)}
.clod p,.hop p{margin:0}
.clod b{font-family:var(--display);font-weight:800;color:var(--mud)}
.clod svg,.hop svg{position:absolute;left:.8rem;top:50%;width:2.8rem;height:2.8rem;transform:translateY(-50%) rotate(-10deg)}
.hop{border-color:var(--pad-dk);background:#e3f4c5;box-shadow:5px 5px 0 var(--pad-dk)}
.hop strong{font-family:var(--display);font-weight:800;color:var(--pad-dk)}
.hop svg{transform:translateY(-50%)}

/* link lists */
.rows{list-style:none;margin:0;max-width:none;border-top:2px solid var(--rule)}
.rows li{margin:0;border-bottom:2px solid var(--rule);padding:.8rem 0;display:grid;grid-template-columns:minmax(9rem,15rem) 1fr;gap:.3rem 1.5rem}
.rows .t{font-family:var(--display);font-weight:800;color:var(--water)}
.rows .t a{color:inherit}
.rows .d{max-width:44rem}
@media (max-width:640px){.rows li{grid-template-columns:1fr}}

/* ---------- home scene ---------- */
.sky{padding-top:2.8rem;padding-bottom:1rem;position:relative}
.sky h1 span{display:block}
.sky h1 .boot{color:var(--mud)}
.sky h1 .leap{color:var(--pad-dk)}
.sky .lede{margin-top:1.1rem}
.sun{position:absolute;right:4%;top:1.6rem;width:8rem;height:8rem;border-radius:50%;background:var(--sun);box-shadow:0 0 0 1.2rem rgba(255,210,63,.25),0 0 0 2.6rem rgba(255,210,63,.12);z-index:-1}
.water{background:var(--water);position:relative;margin-top:5rem;padding-bottom:1.6rem}
.water .wave-top{position:absolute;left:0;right:0;top:-2.3rem;width:100%;height:2.4rem;display:block}
.pond{position:relative;height:27rem}
.pad{position:absolute;width:8.8rem;height:8.8rem;margin:-4.4rem 0 0 -4.4rem;border-radius:50%;
  background:conic-gradient(from 28deg,var(--pad) 0 326deg,transparent 326deg);
  box-shadow:inset -.5rem -.6rem 0 rgba(0,0,0,.13);
  display:grid;place-items:center;text-align:center;text-decoration:none;color:#fff;
  font-family:var(--display);font-weight:800;font-size:1.18rem;line-height:1.05;padding:1rem;
  animation:bob 5s ease-in-out infinite}
.pad:nth-child(2n){animation-delay:-1.7s}.pad:nth-child(3n){animation-delay:-3.1s}
.pad small{display:block;font-family:var(--body);font-weight:500;font-size:.78rem;line-height:1.2;margin-top:.25rem;color:#e2f5c9}
.pad:hover,.pad:focus-visible{background:conic-gradient(from 28deg,var(--duckweed) 0 326deg,transparent 326deg);color:var(--water)}
.pad:hover small,.pad:focus-visible small{color:var(--water)}
.pad.flower::after{content:"";position:absolute;top:.3rem;right:.9rem;width:1.3rem;height:1.3rem;border-radius:50% 50% 50% 0;background:var(--lily);transform:rotate(-45deg);box-shadow:-.5rem .1rem 0 -.15rem #ffb3cf}
@keyframes bob{0%,100%{translate:0 0}50%{translate:0 -5px}}
.frog{position:absolute;width:4.6rem;height:4.6rem;margin:-8.6rem 0 0 -2.3rem;left:50%;top:50%;z-index:4;border:0;background:none;cursor:pointer;padding:0;
  transition:left .45s cubic-bezier(.3,.1,.3,1),top .45s cubic-bezier(.3,.1,.3,1)}
.frog.hopping svg{animation:hop .45s ease-out}
@keyframes hop{0%{transform:translateY(0) scaleY(.85)}45%{transform:translateY(-3.4rem) scaleY(1.1)}100%{transform:translateY(0) scaleY(1)}}
.ribbit{position:absolute;left:50%;bottom:105%;transform:translateX(-50%);width:14rem;background:var(--paper);color:var(--ink);border:3px solid var(--water);border-radius:16px 16px 16px 4px;padding:.55rem .75rem;font-family:var(--display);font-weight:700;font-size:.95rem;line-height:1.25;text-align:left;box-shadow:4px 4px 0 var(--duckweed);pointer-events:none}
.ribbit[hidden]{display:none}
.deco{position:absolute;pointer-events:none}
.sunk-boot{left:1.5%;bottom:-1.2rem;width:5.2rem;transform:rotate(14deg)}
.bubbles{left:5.5%;bottom:5.3rem;width:1rem;height:1rem;border-radius:50%;border:2px solid rgba(205,234,79,.6);animation:rise 4s linear infinite}
.bubbles::after{content:"";position:absolute;left:1.1rem;top:1.2rem;width:.55rem;height:.55rem;border-radius:50%;border:2px solid rgba(205,234,79,.5)}
@keyframes rise{0%{translate:0 0;opacity:0}20%{opacity:1}100%{translate:0 -4rem;opacity:0}}
.heron{right:-1%;bottom:.6rem;width:6.6rem;pointer-events:auto}
.heron .lid{transform-origin:88px 31px;animation:blink 6s infinite}
@keyframes blink{0%,94%,100%{transform:scaleY(0)}96%,98%{transform:scaleY(1)}}
.reeds{left:-.5%;top:-6.2rem;width:5rem}
.reeds.r2{left:auto;right:9%;top:-5.4rem;width:3.6rem;transform:scaleX(-1)}
.dragonfly{left:55%;top:-3rem;width:2.6rem;animation:flit 14s ease-in-out infinite}
@keyframes flit{0%,100%{translate:0 0;rotate:0deg}25%{translate:-14rem 3rem;rotate:-14deg}50%{translate:-4rem 7rem;rotate:10deg}75%{translate:9rem 2rem;rotate:-6deg}}
.pond-note{color:#bfe0cf;font-size:.95rem;margin:0}
.pond-note b{color:var(--duckweed);font-weight:600}
@media (max-width:860px){
  .sun{width:5rem;height:5rem;right:6%}
  .water{margin-top:3.4rem}
  .pond{height:auto;display:grid;grid-template-columns:1fr 1fr;gap:.8rem;padding:.4rem 0 1.2rem}
  .frog,.deco{display:none}
  .pad{position:relative;left:auto!important;top:auto!important;margin:0;width:auto;height:auto;aspect-ratio:1/.72;border-radius:22px;background:var(--pad);animation:none}
  .pad:hover,.pad:focus-visible{background:var(--duckweed)}
}

/* duel */
.duel{display:grid;grid-template-columns:1fr 1fr;gap:0;border:3px solid var(--water);border-radius:18px;overflow:hidden;box-shadow:6px 6px 0 var(--water);background:var(--paper)}
.duel .h{display:flex;align-items:center;gap:.7rem;padding:1rem 1.1rem;font-family:var(--poster);font-size:clamp(1.1rem,2.6vw,1.7rem);line-height:1}
.duel .h svg{width:3rem;height:3rem;flex:none}
.duel .h.c{background:var(--mud);color:#fff}
.duel .h.f{background:var(--pad);color:#fff}
.duel .c,.duel .f{padding:.8rem 1.1rem;border-top:2px solid var(--rule)}
.duel div.c{background:var(--mud-lt);color:var(--mud)}
.duel div.f{font-weight:600;background:#eaf7d6}
@media (max-width:560px){.duel .h{flex-direction:column;align-items:flex-start;gap:.3rem}}

/* videos */
.vtools{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;align-items:center;margin:1rem 0 .4rem}
.vtools label{font-weight:600;font-size:.95rem}
.vtools select{font:inherit;padding:.35rem .5rem;border:3px solid var(--water);border-radius:10px;background:var(--paper);color:var(--ink)}
.vtools input[type=checkbox]{width:1.1rem;height:1.1rem;accent-color:var(--pad);vertical-align:-.15rem}
.progress{height:1rem;background:#c3dccb;border:3px solid var(--water);border-radius:99px;overflow:hidden;max-width:28rem;margin:.6rem 0 .3rem}
.progress i{display:block;height:100%;width:0;background:repeating-linear-gradient(-45deg,var(--pad) 0 10px,var(--duckweed) 10px 20px);transition:width .25s}
.shelf{padding:2.6rem 0 1rem}
.shelf:nth-of-type(even){background:var(--paper)}
.shelf h2{font-family:var(--poster);font-weight:400;letter-spacing:0;font-size:clamp(1.9rem,4.4vw,3rem);margin-bottom:.3rem;display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .9rem}
.shelf h2 .n{font-family:var(--display);font-weight:800;font-size:1rem;background:var(--lily);color:var(--water);border:3px solid var(--water);border-radius:99px;padding:.15rem .7rem;transform:rotate(-4deg)}
.topics{display:flex;flex-wrap:wrap;gap:.4rem;margin:.6rem 0 0;list-style:none;max-width:none}
.topics li{margin:0}
.topics a{display:inline-block;text-decoration:none;font-weight:600;font-size:.9rem;border:2px solid var(--water);border-radius:99px;padding:.15rem .7rem;color:var(--water);background:var(--sky)}
.topics a:hover{background:var(--duckweed)}
.tgroup{margin-top:1.8rem;scroll-margin-top:1rem}
.tgroup[hidden]{display:none}
.tgroup h3{margin:0 0 .2rem;font-size:1.35rem;border-bottom:3px solid var(--duckweed);display:inline-block;padding-bottom:.1rem}
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(17.5rem,1fr));gap:1.5rem 1.3rem;margin-top:.9rem}
.v{display:flex;flex-direction:column}
.v[hidden]{display:none}
.v .thumb{position:relative;display:block;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--water);border:3px solid var(--water);padding:0;cursor:pointer;width:100%;box-shadow:5px 5px 0 var(--pad);transition:transform .12s,box-shadow .12s}
.v .thumb:hover{transform:translate(-2px,-2px) rotate(-.6deg);box-shadow:8px 8px 0 var(--lily)}
.v .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.v .thumb .len{position:absolute;right:.4rem;bottom:.4rem;background:var(--water);color:#fff;font:700 .78rem var(--body);padding:.1rem .45rem;border-radius:5px}
.v .thumb .play{position:absolute;left:.5rem;bottom:.4rem;background:var(--duckweed);color:var(--water);font:800 .82rem var(--display);padding:.18rem .65rem;border-radius:99px}
.v iframe{width:100%;aspect-ratio:16/9;border:3px solid var(--water);border-radius:12px;display:block}
.v h3{font-family:var(--body);font-size:1.02rem;font-weight:600;letter-spacing:0;line-height:1.3;margin:.7rem 0 .15rem;color:var(--ink);border:0;display:block;padding:0}
.v .meta{font-size:.88rem;color:var(--ink-soft);margin:0}
.v .official{display:inline-block;background:var(--sun);color:var(--water);font-weight:700;font-size:.76rem;border-radius:99px;padding:0 .5rem;margin-left:.3rem}
.v .w{margin-top:.3rem;font-size:.88rem}
.v.done .thumb{filter:saturate(.35);box-shadow:5px 5px 0 var(--rule)}
.v.done h3{text-decoration:line-through;text-decoration-color:var(--pad)}

/* footer */
.site-foot{background:var(--water);color:#d9ece2;margin-top:3.4rem;padding:3.4rem 0 3rem;font-size:.95rem;position:relative}
.site-foot .wave-top{position:absolute;left:0;right:0;top:-2.3rem;width:100%;height:2.4rem;display:block}
.site-foot a{color:var(--duckweed)}
.site-foot a:hover{color:var(--water)}
.site-foot p{max-width:46rem}
.site-foot .joke{font-family:var(--poster);font-size:clamp(1.3rem,3vw,2rem);line-height:1.15;color:#fff;margin-bottom:1rem;max-width:40rem}
.foot-nav{display:flex;flex-wrap:wrap;gap:.3rem 1.2rem;margin:0 0 1rem;list-style:none;max-width:none}
.adslot{max-width:728px;margin:2.5rem auto 0;padding:0 1rem;text-align:center}
.adslot small{display:block;font-size:.7rem;color:var(--ink-soft);margin-bottom:.4rem}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;animation:none!important}
  .frog,.v .thumb,.mark svg{transition:none}
}

/* fixes */
.cmd pre code{background:none;padding:0;color:inherit;font-size:1em;border-radius:0}
.stamp{width:8.8rem;height:8.8rem;font-size:.82rem}
.stamp b{font-size:1.5rem;line-height:1.1;margin:.1rem 0}
.site-nav{font-size:.95rem}
.sunk-boot{bottom:.5rem}
.bubbles{bottom:6.6rem}
section.block.deep .hop{color:var(--ink)}
section.block.deep code{background:#1d5a5d;color:#eaf7d6}
section.block.deep .hop code{background:#cfe6d6;color:var(--ink)}
th code,.table-wrap code{white-space:nowrap}
h2 code{font-size:.8em}
@media (max-width:860px){.sun{display:none}}
.adslot ins{min-height:0!important}