/* canaletto-nivelul-marii: the painting hangs on a gallery wall; pale stone by day, a dark room with one light by night. */
:root{
  --bg:#ece6dc; --bg2:#e2dacd; --surface:#f7f3ec; --ink:#1c1915; --ink2:#2c2721; --muted:#4f473d; --line:#c3b8a6; --line-soft:#d8cfc0;
  --acc:#7a5a1e; --acc-ink:#6b4c12; --focus:#1f4fd1; --tip-bg:#1c1915; --tip-ink:#f6f1e6; --card:rgba(247,243,236,.96); --kick:#6b4c12;
  --gilt:#9a7a3a; --algae:#8a6d14; --sea:#2d5b55; --sea2:#5b8a83; --paint-band:rgba(154,122,58,.22);
  --motif-sea:#2d5b55; --motif-algae:#9a7a3a;
  --to-top-bg:#ece6dc; --to-top-fg:#1c1915;
  --disp:"Fraunces",Georgia,serif; --serif:"Source Serif 4",Georgia,serif; --ui:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --vh:1vh; --stage-h:calc(var(--vh) * 100 - 44px);
  color-scheme:light;
}
html.dark{
  --bg:#15120f; --bg2:#1c1814; --surface:#201b16; --ink:#efe8dc; --ink2:#ddd4c5; --muted:#b9ae9d; --line:#3a3229; --line-soft:#2a241e;
  --acc:#e0bd73; --acc-ink:#e9c98a; --focus:#9db8ff; --tip-bg:#efe8dc; --tip-ink:#15120f; --card:rgba(21,18,15,.9); --kick:#e0bd73;
  --gilt:#c9a45c; --algae:#f0cf7d; --sea:#8fc3b9; --sea2:#5f9990; --paint-band:rgba(224,189,115,.20);
  --motif-sea:#8fc3b9; --motif-algae:#e0bd73;
  --to-top-bg:#15120f; --to-top-fg:#efe8dc;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
svg[hidden]{display:none}
html{-webkit-text-size-adjust:100%;scroll-padding-top:56px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.1rem/1.62 var(--serif);text-rendering:optimizeLegibility}
a{color:var(--acc-ink);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--bg);padding:.5rem 1rem;z-index:50}
.skip:focus{left:8px;top:8px}
h1,h2,h3{font-family:var(--disp);font-weight:500;letter-spacing:-.012em;line-height:1.12;margin:0 0 .55em}
h1{font-size:clamp(1.9rem,2.4vw + .9rem,2.9rem);font-variation-settings:"opsz" 130;font-weight:400;text-wrap:balance}
h2{font-size:clamp(1.35rem,1.1vw + 1rem,1.8rem);font-variation-settings:"opsz" 72;text-wrap:balance;position:relative}
h3{font-size:1.16rem;margin-top:1.5em}
p{margin:0 0 1em}
.nw{white-space:nowrap}
.anchor{position:absolute;left:-1.1em;opacity:0;text-decoration:none;color:var(--muted);font-weight:400}
h2:hover .anchor,.anchor:focus{opacity:1}
.kicker{font:600 .78rem/1.35 var(--ui);letter-spacing:.08em;text-transform:uppercase;color:var(--kick);margin:0 0 .9rem}
.note{font:400 .88rem/1.5 var(--ui);color:var(--muted)}
.wrap{max-width:42rem;margin:0 auto;padding:0 16px}

/* topbar: slim, in the wall colour */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:.9rem;height:44px;padding:0 max(16px,env(safe-area-inset-left));background:var(--bg);border-bottom:1px solid var(--line-soft);font:500 .88rem/1 var(--ui)}
.home{display:flex;align-items:center;gap:.45rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.home .motif{width:22px;height:22px;color:var(--ink)}
.topnav{display:flex;gap:1rem;overflow:hidden;min-width:0}
.topnav a{color:var(--ink2);text-decoration:none;white-space:nowrap}
.topnav a:hover{color:var(--ink);text-decoration:underline}
.spacer{flex:1}
.chip{color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.36rem .7rem;min-height:32px;display:inline-flex;align-items:center}
.icon-btn{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px}
.progress i{display:block;height:100%;width:0;background:var(--gilt)}
@media (max-width:980px){.topnav{display:none}}
@media (pointer:coarse){.icon-btn{width:44px;height:44px}.chip{min-height:44px}}
.share-row{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap;margin-top:1rem}
.share-row .lbl{font:500 .85rem/1 var(--ui);color:var(--muted);margin-right:.2rem}
.sh{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--ink);cursor:pointer}
.sh svg{width:18px;height:18px}
.sh:hover,.sh:focus-visible{color:var(--acc);border-color:var(--acc)}
@media (pointer:coarse){.sh{width:44px;height:44px}}
.status{font:400 .85rem/1.3 var(--ui);color:var(--muted);min-height:1.2em;margin:.3rem 0 0}
.block{padding:3rem 0;position:relative;z-index:3;background:var(--bg)}
.tinted{background:var(--bg2)}
.plain{list-style:none;padding:0}
.sources li{font:400 .9rem/1.45 var(--ui);margin:.35rem 0}
footer{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;justify-content:center;padding:2rem 16px 3rem;font:400 .85rem/1.4 var(--ui);color:var(--muted);background:var(--bg);position:relative;z-index:3}
footer a{color:var(--ink2)}
.rail{display:none}
@media (min-width:1100px){.rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:2px}
.rail a{display:grid;place-items:center;width:24px;height:24px}
.rail i{width:7px;height:7px;border-radius:50%;background:var(--line);transition:background .2s,transform .2s}
.rail a:hover i,.rail a.on i{background:var(--ink);transform:scale(1.35)}}
.to-top-x{left:auto!important;right:max(1rem,env(safe-area-inset-right))!important;bottom:76px!important}
@media(max-width:860px){.to-top-x{bottom:calc(10px + env(safe-area-inset-bottom))!important;right:8px!important;opacity:.85}}
.wide{max-width:72rem;margin:0 auto;padding:0 16px}
.hero{padding:1.6rem 0 .8rem}.hero .wrap{max-width:52rem}.hero h1{font-size:clamp(1.7rem,2.6vw + 1rem,3rem);max-width:24ch}
.deck{font:400 1.08rem/1.55 var(--serif);color:var(--ink2);max-width:42rem;margin:0}
.studio{padding:.8rem 0 2.2rem}
.stagebox{position:relative;width:100%;height:520px;background:var(--bg2);border:1px solid var(--line-soft);border-radius:10px;overflow:hidden;-webkit-user-select:none;user-select:none}
.stagebox.drop{outline:3px dashed var(--acc);outline-offset:-8px}
#mz{display:block;width:100%;height:100%;cursor:crosshair;touch-action:pan-y}#mz.grab{cursor:grabbing}
.zoom{position:absolute;right:10px;top:10px;display:flex;flex-direction:column;gap:6px;z-index:3}
.zoom button,.zfit{border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;font:600 1.3rem/1 var(--ui)}
.zoom button{width:40px;height:40px;border-radius:50%}.zoom button:disabled{opacity:.4;cursor:default}
.tl{position:absolute;left:10px;top:10px;z-index:3;display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.zfit{border-radius:999px;padding:.5rem .85rem;font:500 .84rem/1 var(--ui);min-height:36px}
@media (pointer:coarse){.zoom button{width:44px;height:44px}.zfit{min-height:44px}}
.stat{position:absolute;left:10px;bottom:8px;right:60px;margin:0;padding:.28rem .6rem;border-radius:6px;background:var(--card);font:400 .8rem/1.3 var(--ui);color:var(--ink);width:max-content;max-width:calc(100% - 70px);pointer-events:none;z-index:3}
.stat:empty{display:none}
.pop{position:absolute;z-index:6;width:250px;padding:.55rem .65rem .6rem;border-radius:10px;background:var(--card);border:1px solid var(--line);box-shadow:0 8px 28px rgba(0,0,0,.3);font:400 .84rem/1.35 var(--ui);color:var(--ink);backdrop-filter:blur(6px);max-height:calc(100% - 12px);overflow:auto;touch-action:pan-y;-webkit-user-select:text;user-select:text}
.pop .pcv{width:100%;aspect-ratio:1;display:block;border-radius:5px;background:var(--bg2)}
.pop h3{font:600 .98rem/1.25 var(--ui);margin:.5rem 0 .1rem;letter-spacing:0}.pop p{margin:.1rem 0}.pop .who{font-weight:500}.pop .note{font-size:.78rem}
.pop .x{position:absolute;right:6px;top:6px;width:44px;height:44px;border:0;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-size:1.3rem;cursor:pointer;z-index:2}
.swrow{display:flex;gap:.8rem;margin:.5rem 0}.swrow figure{margin:0;font:400 .72rem/1.2 var(--ui);color:var(--muted);text-align:center}.swrow canvas{display:block;width:45px;height:45px;border:1px solid var(--line);margin-bottom:.15rem}
.popact{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap;margin-top:.4rem!important}.popact button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:.4rem .8rem;font:500 .82rem/1 var(--ui);min-height:36px;cursor:pointer}
@media (max-width:519px){.pop{width:calc(100% - 16px);left:8px!important;display:grid;grid-template-columns:96px minmax(0,1fr);column-gap:.65rem;align-items:start;padding:.5rem .55rem}
.pop .pcv{grid-row:1/4;width:96px;height:96px;margin:0}.pop h3{margin:0 0 .1rem;padding-right:40px;font-size:.92rem}.pop .swrow,.pop .popact{grid-column:1/-1}.pop .swrow{margin:.35rem 0 .1rem}.pop .swrow canvas{width:34px;height:34px}.pop .swrow figure{display:flex;align-items:center;gap:.35rem}.pop .x{width:44px;height:44px;right:2px;top:2px}}
.hint{margin:.5rem 0 0}
.srcrow{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin:1rem 0 .3rem}
.btn{min-height:44px;padding:.5rem 1.05rem;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);font:500 .92rem/1 var(--ui);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}
.btn:hover:not(:disabled){background:var(--surface)}.btn:disabled{opacity:.5;cursor:default}
.btn.pri{background:var(--ink);color:var(--bg);border-color:var(--ink)}.btn.pri:hover:not(:disabled){background:var(--ink2)}
.or{font:400 .85rem/1 var(--ui);color:var(--muted);margin:0 .2rem 0 .4rem}.smps{display:flex;gap:.45rem}
.smp{padding:0;border:2px solid var(--line);border-radius:8px;background:none;cursor:pointer;overflow:hidden;line-height:0}.smp canvas{width:48px;height:60px;display:block}.smp[aria-pressed=true]{border-color:var(--acc)}
.priv{margin:.2rem 0 0}
.panel{margin-top:1.4rem;padding:1rem 1.1rem 1.1rem;border:1px solid var(--line-soft);border-radius:10px;background:var(--surface)}
h2.mini,h3.mini{font:600 .8rem/1.3 var(--ui);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:.2rem 0 .6rem}
.panel h2.mini+.grid2{margin-bottom:1rem}.cnt{text-transform:none;letter-spacing:0;font-weight:500;color:var(--ink2);margin-left:.5rem}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem 1.6rem}
.fld{display:grid;grid-template-columns:1fr auto;gap:.2rem .6rem;align-items:center;font:500 .88rem/1.3 var(--ui);min-width:0}
.fld label{color:var(--ink2)}.fld output{font:500 .9rem/1 var(--ui);color:var(--ink)}
.fld input[type=range]{grid-column:1/-1;width:100%;accent-color:var(--acc);height:34px}
.fld select,.btnrow select{grid-column:1/-1;width:100%;min-height:42px;padding:.4rem .6rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:400 .9rem/1.2 var(--ui)}
.btnrow select{width:auto;min-width:7.5rem}.szl{font:500 .88rem/1 var(--ui);color:var(--ink2);align-self:center;margin-left:.3rem}
.fld.chk{display:block}.fld.chk label{display:flex;gap:.5rem;align-items:flex-start;min-height:34px}.fld.chk input{width:20px;height:20px;accent-color:var(--acc);margin-top:.05rem}
.btnrow{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.exp .status{margin-top:.6rem}
.used{margin-top:1.6rem}.list{font:400 .92rem/1.5 var(--ui);margin:0}.list li{margin:.25rem 0}.list li span{color:var(--muted)}
.tw{overflow-x:auto;margin:1rem 0}
table.tests{border-collapse:collapse;font:400 .88rem/1.3 var(--ui);width:100%}
.tests caption{text-align:left;font-weight:600;padding-bottom:.4rem}
.tests th,.tests td{border-bottom:1px solid var(--line-soft);padding:.45rem .5rem;text-align:left}.tests td{text-align:right;font-variant-numeric:tabular-nums}
.twocol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
@media (max-width:700px){.grid2,.twocol{grid-template-columns:1fr}}
.block{padding:2.6rem 0}
.progress{display:block}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}