/* slsk - screen tools : the board
   palette from the app itself: ink #ffd84d, white #f4f4f5, charcoal tile     */

:root{
  --bg:#0b0b0d;
  --board:#0e0f12;
  --card:#15171c;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.20);
  --fg:#f4f4f5;
  --dim:#a3a4ab;
  --dimmer:#6d6f78;
  --ink:#ffd84d;
  --sans:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --mono:"Space Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
  --hand:"Caveat","Segoe Script","Comic Sans MS",cursive;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0;line-height:1.08;letter-spacing:-.035em;font-weight:680}
p{margin:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:var(--ink);color:#111;padding:10px 14px;border-radius:8px;z-index:99}

kbd{
  display:inline-block;font:600 11px/1 var(--mono);padding:5px 7px;margin-right:3px;
  border-radius:5px;color:var(--ink);background:rgba(255,216,77,.10);
  border:1px solid rgba(255,216,77,.28);
}
code{font-family:var(--mono);font-size:.9em;color:var(--dim)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;
  padding:11px 19px;border-radius:9px;font-size:14.5px;font-weight:620;
  border:1px solid var(--line-2);
  transition:background .18s,border-color .18s,transform .18s,box-shadow .25s;
}
.btn:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.34);transform:translateY(-2px)}
.btn-y{background:var(--ink);border-color:var(--ink);color:#17170f}
.btn-y:hover{background:#ffe37e;border-color:#ffe37e;color:#17170f;box-shadow:0 12px 30px -12px rgba(255,216,77,.7)}
.btn-l{padding:14px 26px;font-size:15.5px}
.btn-s{padding:8px 15px;font-size:13.5px}

/* ============================================================== the board */

.viewport{
  position:fixed;inset:0;overflow:hidden;z-index:1;
  background:
    radial-gradient(120% 90% at 50% 0%,rgba(255,216,77,.05),transparent 60%),
    var(--board);
  cursor:grab;
}
.viewport.grabbing{cursor:grabbing}


.world{
  position:absolute;left:50%;top:50%;width:0;height:0;
  transform-origin:0 0;will-change:transform;
}
/* graph paper, drawn on the board itself so it scales with the camera */
.world::before{
  content:"";position:absolute;left:-14000px;top:-6000px;width:34000px;height:14000px;
  background-image:
    linear-gradient(rgba(255,255,255,.030) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.030) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:40px 40px,40px 40px,200px 200px,200px 200px;
  pointer-events:none;
}
/* Printstream: turbulent yellow flow-lines printed on the board surface.
   Generated seamlessly (assets/flow.png), so it tiles and scales with the
   camera instead of sitting on the glass. */
.world::after{
  content:"";position:absolute;left:-14000px;top:-6000px;width:34000px;height:14000px;
  pointer-events:none;
  background-image:url("./assets/flow.png");
  background-size:1150px 1150px;
  background-repeat:repeat;
  opacity:.46;
  z-index:-1;            /* printed on the board, under the cards */
}
.threads{position:absolute;left:-14000px;top:-6000px;width:34000px;height:14000px;overflow:visible;pointer-events:none}

.ink{position:absolute;inset:0;width:100%;height:100%;z-index:3;touch-action:none;pointer-events:none}
body.inking-on .ink{pointer-events:auto}
body.inking-on .viewport{cursor:crosshair}

/* the scroll spacer: the page really is this tall */
.spacer{position:relative;z-index:0;pointer-events:none}

/* ================================================================= cards */

.card{
  position:absolute;transform:translate(-50%,-50%) rotate(var(--tilt,0deg));
  transform-origin:50% 50%;
}
.card-hero{width:840px}
.card-hero .eyebrow{font:400 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--dimmer)}
/* one voice per card: serif display, grotesk statement, mono spec, hand note */
.card-hero h1{
  margin-top:16px;font-family:var(--serif);font-weight:400;
  font-size:96px;line-height:.94;letter-spacing:-.02em;
}
.card-hero h1 em{font-style:italic}
.mark{
  background-image:linear-gradient(to bottom,transparent 8%,var(--ink) 8%,var(--ink) 92%,transparent 92%);
  background-repeat:no-repeat;background-size:100% 100%;
  color:#17170f;padding:0 .1em;-webkit-box-decoration-break:clone;box-decoration-break:clone;
}
.card-hero .lede{margin-top:24px;font-size:18.5px;line-height:1.55;color:var(--dim);max-width:50ch}
.cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.micro{margin-top:14px;font-size:12.5px;color:var(--dimmer)}

.card-shot{width:900px;margin:0}
.card-shot img,.card-plate img{
  width:100%;height:auto;border-radius:12px;border:1px solid var(--line);
  background:var(--board);box-shadow:0 50px 90px -50px #000;
}
figcaption{margin-top:12px;font:400 13px/1.4 var(--mono);letter-spacing:.02em;color:var(--dimmer)}
/* the plate captions read as pencilled notes, tilted against the plate */
.card-plate figcaption{
  font:600 21px/1 var(--hand);letter-spacing:.01em;color:var(--ink);
  transform:rotate(-2.5deg);transform-origin:left center;margin-top:14px;
}

.card-plate{width:460px;margin:0}
.card-plate.wide{width:640px}
.card-plate.small{width:300px}

.card-note{width:660px}
.card-note.narrow{width:520px}
.card-note h2{font-family:var(--sans);font-weight:800;font-size:58px;letter-spacing:-.045em}
#s-widgets h2{font-family:var(--serif);font-weight:400;font-style:italic;font-size:66px;letter-spacing:-.02em}
.card-note p{margin-top:20px;color:var(--dim);font-size:16.5px;max-width:46ch}
.keyline{margin-top:22px !important}

.card-video{width:1000px}
.video-slot{
  position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;
  border:1px solid var(--line-2);background:var(--card);
}
.video-slot video{width:100%;height:100%;object-fit:cover;display:block}
.video-empty{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:8px;text-align:center;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.018) 0 12px,transparent 12px 24px);
}
.video-empty .play{
  width:64px;height:64px;border-radius:50%;border:2px solid var(--ink);display:grid;place-items:center;
  margin-bottom:8px;
}
.video-empty .play::after{
  content:"";border-left:16px solid var(--ink);border-top:10px solid transparent;
  border-bottom:10px solid transparent;margin-left:4px;
}
.video-empty b{color:var(--fg);font-size:16px}
.video-empty .small{font-size:12.5px;color:var(--dimmer);max-width:44ch}

.card-invite{width:640px;padding:38px 40px;border:1px dashed var(--line-2);border-radius:18px;background:rgba(255,255,255,.02)}
.card-invite h2{font-family:var(--hand);font-weight:700;font-size:66px;letter-spacing:0;line-height:1}
.card-invite p{margin-top:16px;color:var(--dim);font-size:16px}
.scribble-here{margin-top:26px !important;font:700 30px/1 var(--hand);color:var(--ink) !important;transform:rotate(-3deg)}

.card-solids{width:1060px}
.card-keys{width:620px}
.card-keys h2{font-family:var(--mono);font-weight:700;font-size:26px;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:26px;color:var(--dim)}
.keys{margin:0}
.keys>div{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:11px 0;border-top:1px solid var(--line)}
.keys>div:first-child{border-top:0}
.keys dd{margin:0;color:var(--dim);font-size:14px;text-align:right}
.card-keys .micro{margin-top:24px;max-width:44ch;line-height:1.6}

.card-get{width:720px}
.card-get h2{font-family:var(--sans);font-weight:900;font-size:82px;letter-spacing:-.05em;margin-bottom:26px}
.gets{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gets article{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.gets article:first-child{border-color:rgba(255,216,77,.4);background:linear-gradient(180deg,rgba(255,216,77,.07),transparent 70%)}
.gets h3{font-size:20px}
.gets .meta{margin:10px 0 18px;font:400 12.5px var(--mono);color:var(--dimmer)}
.gets .btn{width:100%}
.warn{margin-top:22px;padding:14px 17px;border-radius:10px;font-size:13.8px;color:#d8c68c;
      border:1px solid rgba(255,216,77,.22);background:rgba(255,216,77,.05)}

/* the card the camera is parked at lifts slightly out of the board */
.card.live{filter:drop-shadow(0 40px 60px rgba(0,0,0,.5))}

/* ================================================================== hud */

.hud{position:fixed;z-index:20;pointer-events:none}
.hud > *{pointer-events:auto}
.hud-top{
  top:0;left:0;right:0;height:64px;display:flex;align-items:center;gap:20px;
  padding:0 22px;backdrop-filter:blur(14px);background:linear-gradient(180deg,rgba(11,11,13,.9),rgba(11,11,13,0));
}
.logo{display:flex;align-items:center;gap:9px}
.logo img{border-radius:7px}
.logo-text{font-size:18px;font-weight:760;letter-spacing:-.03em;border-bottom:2.5px solid var(--ink);line-height:1.05}
.logo-sub{font-size:12px;color:var(--dimmer)}
.stations{display:flex;gap:4px;margin-left:auto}
.stations button{
  padding:7px 13px;border-radius:8px;font-size:13.5px;color:var(--dim);
  transition:color .2s,background .2s;
}
.stations button:hover{color:var(--fg);background:rgba(255,255,255,.06)}
.stations button.on{color:#17170f;background:var(--ink)}

.hud-bottom{
  left:0;right:0;bottom:0;padding:16px 22px 18px;display:flex;align-items:center;gap:18px;
  background:linear-gradient(0deg,rgba(11,11,13,.9),rgba(11,11,13,0));
}
.chapter{font:600 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);white-space:nowrap}
.chapter b{color:var(--ink);margin-right:8px}
.track{flex:1;height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden}
.track i{display:block;height:100%;background:var(--ink);transform:scaleX(0);transform-origin:left}
.hint{font-size:12px;color:var(--dimmer);white-space:nowrap;transition:opacity .4s}

/* the app's hub, on the board's left edge */
.hub{
  position:fixed;left:20px;top:50%;transform:translateY(-50%);z-index:20;
  display:flex;flex-direction:column;gap:6px;padding:12px 10px;border-radius:16px;
  background:rgba(19,20,24,.92);border:1px solid var(--line);backdrop-filter:blur(12px);
  box-shadow:0 30px 60px -30px #000;
}
.hub-grip{width:22px;height:3px;border-radius:2px;background:rgba(255,255,255,.2);margin:0 auto 6px}

/* the app's Input switch: the board is inert until you turn drawing on */
.hub-input{
  display:flex;align-items:center;gap:8px;padding:9px 11px;margin-bottom:4px;
  border-radius:9px;border:1px solid var(--line);
  font:600 12px var(--mono);letter-spacing:.04em;color:var(--dim);
  transition:border-color .2s,color .2s,background .2s;
}
.hub-input i{width:7px;height:7px;border-radius:50%;background:var(--dimmer);flex:none;transition:.2s}
.hub-input b{font-weight:700;text-transform:uppercase}
.hub-input em{margin-left:auto;font-style:normal;color:var(--dimmer)}
.hub-input:hover{color:var(--fg);border-color:var(--line-2)}
.hub-input[aria-pressed="true"]{color:#17170f;background:var(--ink);border-color:var(--ink)}
.hub-input[aria-pressed="true"] i{background:#17170f;box-shadow:0 0 0 3px rgba(0,0,0,.15)}
.hub-input[aria-pressed="true"] em{color:rgba(0,0,0,.6)}
/* tools stay dim until input is live, so the board reads as look-only first */
.hub:not(.armed) .hub-t,.hub:not(.armed) .hub-colors{opacity:.55}
.hub-t{
  display:flex;align-items:center;gap:9px;padding:8px 12px 8px 9px;border-radius:9px;
  font-size:13px;font-weight:600;color:var(--dim);transition:background .18s,color .18s;
}
.hub-t span{
  display:grid;place-items:center;width:20px;height:20px;border-radius:5px;
  font:700 10px var(--mono);background:rgba(255,255,255,.07);
}
.hub-t:hover{color:var(--fg);background:rgba(255,255,255,.06)}
.hub-t.on{color:#17170f;background:var(--ink)}
.hub-t.on span{background:rgba(0,0,0,.15);color:#17170f}
.hub-colors{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:8px 4px;margin-top:4px;border-top:1px solid var(--line)}
.hub-c{width:20px;height:20px;border-radius:50%;background:var(--c);border:2px solid transparent;
       box-shadow:0 0 0 1px rgba(255,255,255,.16) inset;transition:transform .18s,border-color .18s}
.hub-c:hover{transform:scale(1.15)}
.hub-c.on{border-color:var(--fg)}
.hub-clear{padding:7px;border-radius:8px;font-size:12px;color:var(--dimmer);border:1px solid var(--line)}
.hub-clear:hover{color:var(--fg);border-color:var(--fg)}

/* =============================================================== solids */

.solids{position:relative;border:0;border-radius:0;overflow:hidden;
        background:#0c0d10;box-shadow:0 40px 90px -55px #000}
/* the controls float over the render instead of walling it off in a sidebar */
.solids-side{
  position:absolute;left:18px;top:18px;bottom:18px;width:236px;z-index:2;
  display:flex;flex-direction:column;gap:18px;padding:18px;border-radius:14px;
  background:rgba(12,13,16,.62);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.solid-picks{display:flex;flex-direction:column;gap:5px}
.solid-picks{gap:2px}
.solid-pick{
  position:relative;text-align:left;padding:9px 0 9px 15px;border-radius:0;
  font:500 14px/1 var(--sans);letter-spacing:-.01em;color:var(--dimmer);
  background:none;transition:color .18s;
}
.solid-pick::before{
  content:"";position:absolute;left:0;top:50%;width:2px;height:0;background:var(--fg);
  transform:translateY(-50%);transition:height .22s cubic-bezier(.2,.8,.3,1);
}
.solid-pick:hover{color:var(--dim)}
.solid-pick.on{color:var(--fg);font-weight:600}
.solid-pick.on::before{height:16px}
.solid-ctrl{display:flex;flex-direction:column;gap:14px}
.ctrl-row>span{display:flex;justify-content:space-between;font-size:12.5px;color:var(--dim);margin-bottom:7px}
.ctrl-row b{color:var(--fg);font:400 13px var(--mono)}
.ctrl-row.off{opacity:.4;pointer-events:none}
.ctrl-row input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:3px;border-radius:3px;
  background:rgba(255,255,255,.14);outline:none}
.ctrl-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--ink);cursor:grab}
.ctrl-row input[type=range]::-moz-range-thumb{width:14px;height:14px;border:0;border-radius:50%;background:var(--ink)}
.solid-vol{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.vol-f{font-family:var(--serif);font-size:19px;font-style:italic;color:var(--fg)}
.vol-line{display:flex;justify-content:space-between;padding:4px 0;font-size:12.5px;color:var(--dimmer)}
.vol-line b{font:400 17px var(--mono);color:var(--fg);letter-spacing:-.01em}
.vol-line:first-of-type b{color:var(--ink)}
.solids-view{position:relative;min-height:470px}
#solidsCanvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab}
#solidsCanvas.grabbing{cursor:grabbing}
.solids-hint{position:absolute;right:16px;bottom:14px;font:600 17px var(--hand);color:var(--dimmer)}
.solids-fallback{display:none;padding:24px;text-align:center}
.solids.no-gl #solidsCanvas,.solids.no-gl .solids-hint{display:none}
.solids.no-gl .solids-fallback{display:block}

/* ====================================================== reduced / no-JS
   Without the camera the board is meaningless, so it falls back to a plain
   stacked document: cards in board order, no transforms, normal scrolling. */

.reduced .viewport,html:not(.js) .viewport{position:static;overflow:visible;height:auto}
.reduced .world,html:not(.js) .world{position:static;transform:none !important;width:auto;height:auto;
  max-width:1100px;margin:0 auto;padding:90px 24px 120px;display:flex;flex-direction:column;gap:90px}
.reduced .world::before,html:not(.js) .world::before,
.reduced .threads,html:not(.js) .threads,
.reduced .ink,html:not(.js) .ink,
.reduced .hub,html:not(.js) .hub,
.reduced .hud-bottom,html:not(.js) .hud-bottom,
.reduced .spacer,html:not(.js) .spacer{display:none}
.reduced .card,html:not(.js) .card{position:static;transform:none !important;width:100% !important;max-width:900px}

@media (max-width:900px){
  .hub{left:10px;padding:9px 7px}
  .hub-t{font-size:0;gap:0;padding:8px}
  .hub-t span{font-size:10px}
  .stations{display:none}
  .card-hero h1{font-size:52px}
  .hint{display:none}
}