/* Split PDF Pages in Half. Colours, fonts and the header come from db/play.css (light, dark and auto themes). */
.sh{padding-bottom:20px}
.sh-intro{max-width:880px;margin:0 0 16px;color:var(--ink-2);font-size:15px}
.sh-intro p{margin:0 0 8px}
.sh-intro b{color:var(--ink);font-weight:600}
.sh-demo{max-width:880px;margin:0 0 16px}
.sh-demo summary{cursor:pointer;color:var(--accent);font-size:14px;font-weight:600;width:max-content;max-width:100%}
.sh-demo figure{margin:10px 0 0}
.sh-demo img{display:block;width:100%;max-width:760px;height:auto;border-radius:8px;box-shadow:0 0 0 1px var(--line)}
.sh-demo figcaption{font-size:12.5px;color:var(--muted);margin-top:6px}
.sh-vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.sh-hide{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.sh-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}
.sh-drop{border:2px dashed var(--line-strong);text-align:center;padding:38px 16px;transition:border-color .15s,background .15s}
.sh-drop.drag{border-color:var(--accent);background:var(--accent-soft)}
.sh-drop.sh-small{padding:14px 16px}
.sh-dropin{display:flex;flex-direction:column;align-items:center;gap:10px}
.sh-drop.sh-small .sh-dropin{flex-direction:row;justify-content:center;flex-wrap:wrap}
.sh-btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink);border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap}
.sh-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.sh-btn:disabled{opacity:.55;cursor:not-allowed}
.sh-btn.sh-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.sh-btn.sh-primary:hover:not(:disabled){filter:brightness(1.08);color:var(--accent-ink)}
.sh-big{font-size:15.5px;padding:11px 22px}
.sh-note{color:var(--muted);font-size:13px;font-weight:400}
.sh-msg{margin-top:10px;font-size:13.5px;color:var(--ink-2)}
.sh-msg:empty{display:none}
.sh-msg.err{color:var(--err-ink);background:var(--err-bg);padding:8px 12px;border-radius:7px;display:inline-block}
.sh-ph{display:flex;align-items:center;justify-content:space-between;gap:8px 14px;flex-wrap:wrap;margin-bottom:10px}
.sh-ph h2{margin:0;font:600 17px/1.3 var(--f-display);color:var(--ink)}
.sh-opts{display:flex;gap:8px 14px;flex-wrap:wrap}
.sh-lbl{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.sh select{background:var(--surface-2);border:1px solid var(--line-strong);border-radius:7px;padding:6px 8px;font-size:13.5px;color:var(--ink)}
.sh-progress{height:4px;background:var(--surface-2);border-radius:99px;overflow:hidden;margin-bottom:8px}
.sh-progress div{height:100%;width:0;background:var(--accent);transition:width .15s}
.sh-help{margin:0 0 10px}
.sh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;max-height:70vh;overflow:auto;padding:4px}
.sh-page{margin:0;cursor:pointer;border-radius:8px;padding:6px;border:1px solid transparent}
.sh-page.on{background:var(--surface-2)}
.sh-page.check{border-color:var(--err-ink)}
.sh-thumb{position:relative;aspect-ratio:1.35;background:var(--surface-2);border-radius:4px;overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.sh-thumb canvas{display:block;width:100%;height:100%}
.sh-ph-box{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:13px}
.sh-cut{position:absolute;top:0;bottom:0;width:22px;margin-left:-11px;cursor:ew-resize;touch-action:none}
.sh-cut::before{content:"";position:absolute;top:0;bottom:0;left:10px;width:2px;background:var(--accent);box-shadow:0 0 0 1px rgba(0,0,0,.35)}
.sh-cut::after{content:"⇔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--accent);color:var(--accent-ink);font-size:11px;line-height:1;padding:4px 3px;border-radius:5px}
.sh-page figcaption{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:12px;color:var(--ink-2);margin-top:5px}
.sh-page figcaption label{display:inline-flex;align-items:center;gap:4px;cursor:pointer}
.sh-pn{color:var(--muted)}
.sh-trim{position:absolute;background:rgba(10,14,20,.55);pointer-events:none;background-image:repeating-linear-gradient(45deg,transparent 0 4px,rgba(255,255,255,.12) 4px 5px)}
.sh-lbl input{accent-color:var(--accent)}
.sh-zoombtn{position:absolute;right:4px;top:4px;z-index:2;appearance:none;border:0;border-radius:6px;background:rgba(10,14,20,.72);color:#fff;font-size:14px;line-height:1;padding:6px 7px;cursor:pointer}
.sh-zoom{position:fixed;inset:0;z-index:50;background:rgba(5,8,12,.82);display:flex;align-items:center;justify-content:center;padding:12px}
.sh-zoom[hidden]{display:none}
.sh-zoom-in{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px;width:min(900px,100%);max-height:100%;overflow:auto;display:grid;gap:10px}
.sh-zoom-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.sh-zoom-stage{position:relative;width:100%;touch-action:none}
.sh-zoom-stage canvas{display:block;width:100%;height:auto;background:#fff;box-shadow:0 0 0 1px var(--line);transition:opacity .15s}
.sh-zoom-stage .sh-cut{height:100%}
.sh-zoom-stage .sh-cut::before{width:3px;left:9.5px}
.sh-zoom-stage .sh-cut::after{font-size:15px;padding:7px 5px}
.sh-page.wide{border-style:dashed;border-color:var(--line-strong)}
.sh-page.pending{opacity:.55}
.sh-page.wide .sh-pn{color:var(--ink-2)}
.sh-page.check .sh-pn{color:var(--err-ink)}
.sh-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.about table{border-collapse:collapse;font-size:13.5px;margin:6px 0 14px;width:100%}
.about th,.about td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top;white-space:normal;max-width:none}
.about th{color:var(--ink);font-weight:600}
.sh-flow{counter-reset:s;list-style:none;padding:0;margin:0 0 14px;display:grid;gap:8px}
.sh-flow li{counter-increment:s;display:grid;grid-template-columns:28px 1fr;gap:2px 10px;align-items:baseline}
.sh-flow li::before{content:counter(s);grid-row:span 2;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:600 12px var(--f-body)}
.sh-flow b{color:var(--ink)}
@media(max-width:640px){
  .wrap.sh{padding-inline:12px}
  .sh-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-height:none}
  .sh-bar .sh-btn{flex:1 1 100%}
  .about table{display:block;overflow-x:auto}
}