/* Bottom sheets (mobile) that become right-hand drawers on desktop. Solid panels only. */
.sheet{
  position:absolute;left:0;right:0;bottom:0;z-index:40;
  background:var(--panel);border:1px solid var(--line);border-bottom:none;
  border-radius:24px 24px 0 0;padding:10px 18px calc(env(safe-area-inset-bottom,0px) + 18px);
  max-height:72vh;overflow-y:auto;overscroll-behavior:contain;
  transform:translateY(105%);transition:transform .34s cubic-bezier(.32,1.25,.44,1);
  visibility:hidden;
}
.sheet.open{transform:translateY(0);visibility:visible}
.sheet h2{font-size:15px;font-weight:800;letter-spacing:.5px;margin:6px 0 4px}
.sheet-handle{width:44px;height:5px;border-radius:3px;background:var(--line);margin:4px auto 10px}

#clickCatcher{position:absolute;inset:0;z-index:30;display:none;background:transparent}
#clickCatcher.show{display:block}

/* colour wheel */
#wheelWrap{position:relative;width:min(280px,72vw);margin:12px auto;aspect-ratio:1}
#wheel{width:100%;height:100%;display:block;border-radius:50%}
#wheelDot,#svDot{position:absolute;width:20px;height:20px;border-radius:50%;border:3px solid #fff;
  transform:translate(-50%,-50%);pointer-events:none;transition:transform .1s}
#wheelWrap.dragging #wheelDot,#wheelWrap.dragging #svDot{transform:translate(-50%,-50%) scale(1.3)}

/* palette swatches */
#palette .pswatch{width:38px;height:38px;border-radius:12px;border:2px solid var(--line);cursor:pointer;
  transition:transform .15s cubic-bezier(.34,1.7,.64,1)}
#palette .pswatch:active{transform:scale(.85)}

/* layers list */
#layerList{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.layer-item{display:flex;align-items:center;gap:10px;background:var(--panel2);border:1px solid var(--line);
  border-radius:var(--rs);padding:8px 10px;cursor:pointer;
  transition:border-color .2s, transform .2s cubic-bezier(.34,1.56,.64,1);animation:rise .3s both}
.layer-item.active{border-color:var(--accent);transform:scale(1.02)}
.layer-item canvas{width:52px;height:38px;border-radius:8px;background:#fff;flex:none}
.layer-item .lname{flex:1;font-size:13px;font-weight:700}
.layer-item .leye{width:38px;height:38px;border:none;background:transparent;color:var(--ink);cursor:pointer;border-radius:10px}
.layer-item .leye.off{color:var(--line)}
.layer-item .lmove{display:flex;flex-direction:column;gap:2px}
.layer-item .lmove button{width:30px;height:18px;border:none;background:transparent;color:var(--dim);cursor:pointer;font-size:11px}

#brushPreview{width:100%;height:45px;border-radius:var(--rs);background:var(--panel2);border:1px solid var(--line);margin-top:8px}

/* ---- library (home screen) ---- */
#library{position:absolute;inset:0;z-index:80;background:var(--bg);display:none;
  flex-direction:column;padding:calc(env(safe-area-inset-top,0px) + 20px) 20px 20px;overflow-y:auto;overscroll-behavior:contain}
#library.open{display:flex;animation:libIn .4s cubic-bezier(.32,1.2,.44,1)}
@keyframes libIn{from{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}
.lib-head{display:flex;align-items:center;gap:14px;padding:6px 2px 18px}
.lib-title{font-weight:800;letter-spacing:4px;font-size:17px}
.lib-sub{font-size:12px;color:var(--dim);margin-top:2px}
.lib-head > div{flex:1}
#libClose{border:1px solid var(--line)}
#libClose.hidden{display:none}
.lib-new{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:16px 16px 8px;margin-bottom:20px}
.lib-new-label{font-size:13px;font-weight:700;color:var(--dim);letter-spacing:.4px;margin-bottom:2px}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;align-content:start}
.lib-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;cursor:pointer;
  transition:transform .18s cubic-bezier(.34,1.56,.64,1), border-color .2s;animation:rise .4s both}
.lib-card:active{transform:scale(.95)}
.lib-card .lc-thumb{width:100%;aspect-ratio:4/3;background:#fff;object-fit:cover;display:block;border-bottom:1px solid var(--line)}
.lib-card .lc-meta{display:flex;align-items:center;gap:6px;padding:10px 8px 10px 12px}
.lib-card .lc-name{flex:1;font-size:13px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lib-card .lc-time{font-size:10px;color:var(--dim);display:block;margin-top:2px}
.lib-card .lc-del{width:34px;height:34px;border:none;background:transparent;color:var(--dim);border-radius:10px;cursor:pointer;
  display:grid;place-items:center;transition:color .2s, transform .12s}
.lib-card .lc-del:active{transform:scale(.8);color:var(--danger)}
.lib-empty{display:none;flex-direction:column;align-items:center;gap:10px;color:var(--dim);
  text-align:center;font-size:14px;line-height:1.6;padding:40px 0}
.lib-empty.show{display:flex;animation:rise .5s both .1s}
.lib-empty-art{font-size:40px;color:var(--accent);animation:flashPulse 2.4s infinite}

/* desktop: sheets dock right */
@media (min-width:1024px){
  .sheet{left:auto;right:16px;bottom:16px;top:80px;width:360px;max-height:none;
    border-radius:24px;border-bottom:1px solid var(--line);
    transform:translateX(120%);}
  .sheet.open{transform:translateX(0)}
  .sheet-handle{display:none}
  #sliders{left:16px}
}