.ps{--ps-line:var(--line,#dfe3dc);--ps-ink:var(--ink,#131713);--ps-muted:var(--muted,#687068);--ps-accent:var(--green,#1e5b3a);--ps-soft:var(--green-soft,#e7f0e9);--ps-hi:var(--lime,#dff36f);display:grid;gap:16px;min-width:0}
    .ps-modes{display:flex;flex-wrap:wrap;gap:8px}
    .ps-mode{display:flex;align-items:center;gap:8px;border:1px solid var(--ps-line);border-radius:999px;background:#fff;padding:8px 14px;font-weight:600;font-size:14px;cursor:pointer;color:var(--ps-ink)}
    .ps-mode:has(input:checked){border-color:var(--ps-accent);background:var(--ps-soft)}
    .ps-mode span{white-space:nowrap}
    .ps-drop{border:2px dashed var(--ps-line);border-radius:14px;background:#fff;padding:34px 18px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}
    .ps-drop:hover,.ps-drop.is-over{border-color:var(--ps-accent);background:var(--ps-soft)}
    .ps-drop:focus-visible{outline:3px solid var(--ps-hi);outline-offset:2px}
    .ps-drop strong{display:block;font-size:18px;margin-bottom:4px;color:var(--ps-ink)}
    .ps-drop span{color:var(--ps-muted);font-size:14px}
    .ps-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;background:#fff;border:1px solid var(--ps-line);border-radius:12px;padding:14px;align-items:start}
    .ps-opts label{display:grid;gap:6px;align-content:start;font-size:13px;font-weight:600;color:var(--ps-ink)}
    .ps-opts select,.ps-opts input[type=number]{padding:8px 10px;border:1px solid var(--ps-line);border-radius:8px;font-size:14px;background:#fff;color:var(--ps-ink);min-width:0}
    .ps-opts input[type=range]{width:100%;accent-color:var(--ps-accent)}
    .ps-opts .ps-check{display:flex;align-items:center;gap:8px;font-size:14px;padding:8px 0;align-self:end}
    .ps-q{font-variant-numeric:tabular-nums;color:var(--ps-muted);font-weight:500}
    .ps-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
    .ps-btn{border:0;border-radius:999px;padding:10px 18px;font-weight:700;font-size:14px;cursor:pointer;background:var(--ps-ink);color:#fff}
    .ps-btn.ghost{background:transparent;border:1px solid var(--ps-ink);color:var(--ps-ink)}
    .ps-btn:disabled{opacity:.45;cursor:not-allowed}
    .ps-summary{font-size:14px;color:var(--ps-muted)}
    .ps-error{margin:0;background:#fbeeee;border:1px solid #e3b9b9;color:#7d2424;border-radius:10px;padding:10px 12px;font-size:14px}
    .ps-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .ps-list:empty{display:none}
    .ps-item{display:grid;gap:10px;background:#fff;border:1px solid var(--ps-line);border-radius:12px;padding:12px;min-width:0}
    .ps-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center}
    .ps-name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .ps-meta{font-size:13px;color:var(--ps-muted);font-variant-numeric:tabular-nums}
    .ps-meta .err{color:#9a2f2f}
    .ps-side{display:flex;gap:10px;align-items:center}
    .ps-dl{font-weight:700;font-size:14px;color:var(--ps-accent);text-decoration:none;white-space:nowrap}
    .ps-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .ps-fig{margin:0;display:grid;gap:4px;min-width:0}
    .ps-fig img{width:100%;height:180px;object-fit:contain;border-radius:8px;border:1px solid var(--ps-line)}
    .ps-checker img{background-color:#fff;background-image:linear-gradient(45deg,#eef0ec 25%,transparent 25%),linear-gradient(-45deg,#eef0ec 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eef0ec 75%),linear-gradient(-45deg,transparent 75%,#eef0ec 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}
    .ps-fig figcaption{font-size:12px;color:var(--ps-muted);font-weight:600}
    .ps-note{font-size:13px;color:var(--ps-muted);margin:0}
    @media (max-width:480px){.ps-fig img{height:130px}}
/* the page styles every input and button inside .lab-tool; these rules win back the tool's own look */
.ps [hidden]{display:none!important}
.ps .ps-mode input,.ps .ps-check input{width:auto;padding:0;border:0;margin:0;accent-color:var(--ps-accent)}
.ps .ps-icon{width:32px;height:32px;padding:0;border:1px solid var(--ps-line);background:#fff;color:var(--ps-ink);border-radius:8px;font-size:15px;line-height:1;cursor:pointer}
.ps .ps-icon:disabled{opacity:.35;cursor:not-allowed}