:root{
  --bg:#0a0a0f;
  --cyan:#00f5ff;
  --lime:#39ff14;
  --panel:rgba(255,255,255,0.04);
  --panel-border:rgba(0,245,255,0.35);
  --txt:#cfefff;
  --muted:#6f8a95;
}
*{box-sizing:border-box;}
html,body{margin:0;height:100%;}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:"Press Start 2P", ui-monospace, monospace;
  overflow:hidden;
  -webkit-font-smoothing:none;
}
#app{display:flex;width:100vw;height:100vh;}

/* ---------- 3D stage ---------- */
#stage{position:relative;flex:1 1 auto;min-width:0;background:#06070b;}
#stage canvas{display:block;}
#fx{
  position:absolute;inset:0;pointer-events:none;z-index:5;
  background-image:
    repeating-linear-gradient(0deg, rgba(0,245,255,0.05) 0 1px, transparent 1px 3px),
    linear-gradient(rgba(0,245,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,255,0.06) 1px, transparent 1px);
  background-size:100% 3px, 32px 32px, 32px 32px;
  mix-blend-mode:screen;opacity:.5;
}
#vignette{
  position:absolute;inset:0;pointer-events:none;z-index:4;
  background:radial-gradient(ellipse at 50% 45%, transparent 45%, rgba(0,0,0,.65) 100%);
}
#fps{
  position:absolute;top:12px;left:12px;z-index:6;
  font-size:10px;color:var(--lime);text-shadow:0 0 6px var(--lime);
  background:rgba(0,0,0,.35);border:1px solid rgba(57,255,20,.4);
  padding:6px 8px;border-radius:4px;letter-spacing:1px;
}
#drophint{
  position:absolute;inset:0;z-index:7;display:none;
  align-items:center;justify-content:center;
  background:rgba(0,245,255,.08);border:3px dashed var(--cyan);
  color:var(--cyan);text-align:center;font-size:14px;
  text-shadow:0 0 10px var(--cyan);backdrop-filter:blur(2px);
}
#stage.dragging #drophint{display:flex;}

/* floating stage toolbar */
#stagebar{position:absolute;top:12px;right:12px;z-index:8;display:flex;gap:6px;}
#stagebar button,#showBtn{
  font-family:inherit;width:34px;height:34px;padding:0;font-size:13px;
  color:var(--cyan);background:rgba(0,0,0,.4);
  border:1px solid rgba(0,245,255,.4);border-radius:6px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.13s;
}
#stagebar button:hover,#showBtn:hover{background:rgba(0,245,255,.18);box-shadow:0 0 10px var(--cyan);}
#showBtn{position:absolute;top:50%;right:0;transform:translateY(-50%);z-index:8;display:none;height:54px;border-radius:8px 0 0 8px;}
#app.nosidebar #showBtn{display:flex;}

/* toasts */
#toasts{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:20;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;}
.toast{
  font-family:ui-monospace,monospace;font-size:12px;letter-spacing:.5px;
  background:rgba(8,12,18,.92);color:var(--txt);
  border:1px solid var(--panel-border);border-left:3px solid var(--lime);
  padding:9px 14px;border-radius:7px;box-shadow:0 6px 24px rgba(0,0,0,.5);
  opacity:0;transform:translateY(12px);transition:.28s;max-width:80vw;text-align:center;
}
.toast.in{opacity:1;transform:translateY(0);}

/* ---------- sidebar ---------- */
#sidebar{
  flex:0 0 326px;max-width:326px;height:100%;
  overflow-y:auto;overflow-x:hidden;
  background:linear-gradient(180deg, rgba(10,14,20,.96), rgba(8,10,16,.96));
  border-left:2px solid var(--panel-border);
  box-shadow:-8px 0 30px rgba(0,245,255,.08);
  padding:0 16px 28px;transition:flex-basis .3s, max-width .3s;
}
#app.nosidebar #sidebar{flex-basis:0;max-width:0;padding:0;border:none;overflow:hidden;}
#sidebar::-webkit-scrollbar{width:8px;}
#sidebar::-webkit-scrollbar-thumb{background:rgba(0,245,255,.3);border-radius:4px;}
#drawerHandle{display:none;}

header{padding-top:16px;}
h1{
  font-size:15px;line-height:1.5;margin:4px 0 2px;color:var(--cyan);
  text-shadow:0 0 8px var(--cyan), 0 0 18px rgba(0,245,255,.5);letter-spacing:1px;
}
.subtitle{font-size:7px;color:var(--lime);letter-spacing:3px;margin:0 0 10px;text-shadow:0 0 6px var(--lime);}
#themes{display:flex;gap:8px;margin-bottom:6px;}
.theme-swatch{width:22px;height:22px;padding:0;border-radius:50%;cursor:pointer;
  border:2px solid rgba(255,255,255,.2);background:linear-gradient(135deg,var(--a),var(--b));transition:.13s;}
.theme-swatch:hover{transform:scale(1.12);}
.theme-swatch.active{border-color:#fff;box-shadow:0 0 10px var(--a);}

/* tabs */
#tabs{position:sticky;top:0;z-index:9;display:flex;gap:4px;padding:8px 0;
  background:linear-gradient(180deg,rgba(10,14,20,.98),rgba(10,14,20,.92));}
#tabs button{
  flex:1;font-family:inherit;font-size:7.5px;letter-spacing:.5px;padding:9px 2px;
  color:var(--muted);background:rgba(0,245,255,.04);
  border:1px solid rgba(0,245,255,.2);border-radius:6px;cursor:pointer;transition:.13s;
}
#tabs button:hover{color:var(--cyan);}
#tabs button.active{color:#06070b;background:var(--cyan);border-color:var(--cyan);
  box-shadow:0 0 12px var(--cyan);text-shadow:none;}

.tabpane{display:none;}
.tabpane.active{display:block;animation:fade .2s;}
@keyframes fade{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}

/* cards */
.card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:10px;
  padding:12px;margin-bottom:14px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.card h2{
  font-size:9px;margin:0 0 10px;color:var(--cyan);letter-spacing:2px;opacity:.9;
  display:flex;align-items:center;gap:6px;
}
.card h2::before{content:"";width:8px;height:8px;background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);transform:rotate(45deg);flex:0 0 auto;}
.badge{margin-left:auto;font-size:8px;color:var(--lime);background:rgba(57,255,20,.12);
  border:1px solid rgba(57,255,20,.4);border-radius:10px;padding:2px 7px;}

/* dropzone */
#dropzone{
  border:2px dashed rgba(0,245,255,.4);border-radius:8px;padding:16px 10px;text-align:center;
  font-size:8px;line-height:1.8;color:var(--muted);cursor:pointer;transition:.15s;
}
#dropzone:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 14px rgba(0,245,255,.25) inset;}
#dropzone .big{font-size:22px;display:block;margin-bottom:8px;}
#filename{margin-top:10px;font-size:8px;color:var(--lime);word-break:break-all;line-height:1.6;
  text-shadow:0 0 5px rgba(57,255,20,.5);}
#fmt{color:var(--muted);font-size:7px;}

/* buttons */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;}
button{
  font-family:inherit;color:var(--txt);background:rgba(0,245,255,.04);
  border:1px solid rgba(0,245,255,.35);border-radius:7px;padding:10px 6px;
  font-size:8px;letter-spacing:1px;cursor:pointer;transition:.13s;
  display:flex;flex-direction:column;align-items:center;gap:6px;line-height:1.4;
}
button .ico{font-size:16px;filter:drop-shadow(0 0 4px rgba(0,245,255,.5));}
button:hover{border-color:var(--cyan);color:#fff;background:rgba(0,245,255,.12);
  box-shadow:0 0 12px var(--cyan);transform:translateY(-1px);}
button:active{transform:translateY(0);}
button:disabled{opacity:.4;cursor:not-allowed;filter:grayscale(.6);box-shadow:none;transform:none;}
button.active{border-color:var(--lime);color:var(--lime);background:rgba(57,255,20,.12);
  box-shadow:0 0 12px var(--lime), 0 0 4px var(--lime) inset;text-shadow:0 0 6px var(--lime);}
button.active .ico{filter:drop-shadow(0 0 6px var(--lime));}
.full{width:100%;flex-direction:row;justify-content:center;}
.row{display:flex;gap:8px;}
.row>button{flex:1;}
.hint{font-size:7px;color:var(--muted);line-height:1.9;text-align:center;margin:6px 0 0;}
a{color:var(--cyan);text-decoration:none;}

/* sliders / selects */
.slider{display:flex;flex-direction:column;gap:6px;font-size:7px;color:var(--muted);
  letter-spacing:1px;margin-bottom:10px;}
.slider span{display:flex;justify-content:space-between;align-items:center;}
.slider em{color:var(--lime);font-style:normal;}
input[type=range]{-webkit-appearance:none;width:100%;height:4px;border-radius:3px;
  background:rgba(0,245,255,.2);outline:none;}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);cursor:pointer;}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);cursor:pointer;}
input[type=range]:disabled{opacity:.35;}
select{font-family:ui-monospace,monospace;font-size:11px;color:var(--txt);background:rgba(0,245,255,.06);
  border:1px solid var(--panel-border);border-radius:6px;padding:5px 8px;cursor:pointer;}

/* search row */
.searchrow{display:flex;gap:8px;align-items:stretch;}
.searchrow input[type=text]{flex:1;min-width:0;font-family:ui-monospace,monospace;font-size:12px;
  color:var(--txt);background:rgba(0,245,255,.06);border:1px solid var(--panel-border);
  border-radius:7px;padding:8px 10px;outline:none;}
.searchrow input[type=text]:focus{border-color:var(--cyan);box-shadow:0 0 10px rgba(0,245,255,.3);}
.searchrow input[type=color]{width:40px;height:40px;padding:0;border:1px solid var(--panel-border);
  border-radius:7px;background:none;cursor:pointer;flex:0 0 auto;}
.searchrow #nickGo{flex:0 0 auto;width:46px;}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px;}
.chip{font-family:ui-monospace,monospace;font-size:10px;letter-spacing:0;padding:5px 9px;flex-direction:row;
  color:var(--muted);background:rgba(0,245,255,.05);border:1px solid rgba(0,245,255,.2);border-radius:14px;}
.chip.active{color:var(--lime);border-color:var(--lime);box-shadow:0 0 8px rgba(57,255,20,.4);}

/* examples gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.skin-tile{padding:8px 4px 7px;gap:5px;}
.skin-tile img{width:42px;height:42px;image-rendering:pixelated;border-radius:4px;
  background:rgba(0,245,255,.06);border:1px solid rgba(0,245,255,.15);}
.skin-tile .nm{font-family:ui-monospace,monospace;font-size:9px;letter-spacing:0;color:var(--muted);
  max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.skin-tile:hover .nm{color:#fff;}
.skin-tile.active .nm{color:var(--lime);text-shadow:0 0 6px var(--lime);}
.gallery-note{font-size:7px;color:var(--muted);text-align:center;margin:10px 0 0;line-height:1.7;}

/* history / favorites strips */
.strip{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;min-height:54px;align-items:center;}
.strip::-webkit-scrollbar{height:6px;}
.strip::-webkit-scrollbar-thumb{background:rgba(0,245,255,.3);border-radius:3px;}
.hist-tile{position:relative;flex:0 0 auto;}
.hist-tile img{width:46px;height:46px;image-rendering:pixelated;border-radius:5px;cursor:pointer;
  background:rgba(0,245,255,.06);border:1px solid rgba(0,245,255,.2);transition:.13s;}
.hist-tile img:hover{border-color:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.hist-x{position:absolute;top:-6px;right:-6px;width:16px;height:16px;padding:0;font-size:11px;border-radius:50%;
  background:#1a0e12;border:1px solid rgba(255,80,120,.6);color:#ff8aa0;}
.strip .empty{font-size:8px;color:var(--muted);margin:0;}

/* env tiles */
.env-tile{font-size:7.5px;padding:12px 4px;}

/* editor */
.editor-canvas{width:100%;image-rendering:pixelated;border:1px solid var(--panel-border);
  border-radius:6px;background:#12141a;touch-action:none;cursor:crosshair;display:block;}
.tool-row{margin-top:8px;}
.tool-row button{padding:8px 4px;}
.etool .ico{font-size:18px;}
.ebsize{font-size:9px;}
.palette{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;margin-top:10px;}
.swatch{width:100%;aspect-ratio:1;padding:0;border-radius:4px;border:1px solid rgba(255,255,255,.15);cursor:pointer;}
.swatch:hover{transform:scale(1.15);box-shadow:0 0 8px rgba(255,255,255,.4);}
.recents{display:flex;gap:4px;flex:1;flex-wrap:wrap;align-items:center;}
.recents .swatch{width:22px;height:22px;flex:0 0 auto;aspect-ratio:auto;}

/* keyframe sliders */
.kf{display:flex;flex-direction:column;gap:5px;max-height:170px;overflow-y:auto;padding-right:4px;}
.kf-row{display:flex;align-items:center;gap:8px;font-size:7px;color:var(--muted);}
.kf-row span{flex:0 0 46px;}
.kf-row input{flex:1;}

/* achievements */
.achgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.ach{display:flex;flex-direction:column;align-items:center;gap:5px;padding:8px 2px;border-radius:8px;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);opacity:.45;text-align:center;}
.ach.got{opacity:1;border-color:var(--lime);background:rgba(57,255,20,.08);box-shadow:0 0 10px rgba(57,255,20,.2);}
.ach-ico{font-size:18px;filter:grayscale(1);}
.ach.got .ach-ico{filter:none;}
.ach-tt{font-family:ui-monospace,monospace;font-size:8px;line-height:1.2;color:var(--muted);}
.ach.got .ach-tt{color:var(--lime);}

/* guess game */
.guess-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px;}
.guess-opts button{font-family:ui-monospace,monospace;font-size:10px;flex-direction:row;}
.guess-opts button.correct{border-color:var(--lime);color:var(--lime);box-shadow:0 0 10px var(--lime);}
.guess-opts button.wrong{border-color:#ff5070;color:#ff8aa0;}

/* challenge */
.challenge-theme{font-size:11px;color:var(--cyan);text-align:center;margin:4px 0;min-height:16px;
  font-family:ui-monospace,monospace;letter-spacing:.5px;}
.challenge-time{font-size:20px;color:var(--lime);text-align:center;margin:6px 0 10px;text-shadow:0 0 8px var(--lime);}

/* modal */
#modal{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;
  background:rgba(2,4,8,.78);backdrop-filter:blur(4px);padding:20px;}
#modal.open{display:flex;}
.modal-box{position:relative;max-width:min(560px,92vw);max-height:90vh;overflow:auto;
  background:linear-gradient(180deg,rgba(12,16,24,.98),rgba(8,10,16,.98));
  border:1px solid var(--panel-border);border-radius:14px;padding:22px;
  box-shadow:0 12px 60px rgba(0,245,255,.18);}
#modalClose{position:absolute;top:10px;right:10px;width:30px;height:30px;padding:0;font-size:18px;
  border-radius:50%;color:var(--cyan);}
.modal-h{font-size:11px;color:var(--cyan);letter-spacing:2px;margin:0 0 14px;text-shadow:0 0 8px var(--cyan);}
.modal-actions{margin-top:14px;}
.shot{width:100%;border-radius:8px;border:1px solid var(--panel-border);image-rendering:auto;}
.keys{width:100%;border-collapse:collapse;font-family:ui-monospace,monospace;font-size:11px;}
.keys td{padding:6px 8px;border-bottom:1px solid rgba(0,245,255,.12);}
.keys td:first-child{color:var(--lime);white-space:nowrap;width:38%;}
.keys td:last-child{color:var(--txt);}

/* ---------- mobile: sidebar becomes bottom drawer ---------- */
@media (max-width:760px){
  #app{flex-direction:column;}
  #stage{flex:1 1 auto;}
  #sidebar{flex:0 0 auto;max-width:none;width:100%;height:46vh;
    border-left:none;border-top:2px solid var(--panel-border);
    box-shadow:0 -8px 30px rgba(0,245,255,.08);padding-top:0;transition:height .3s;}
  #app.drawer-open #sidebar{height:84vh;}
  #app.nosidebar #sidebar{height:0;}
  #drawerHandle{display:block;position:sticky;top:0;z-index:11;height:18px;cursor:pointer;
    background:rgba(10,14,20,.98);}
  #drawerHandle::before{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);
    width:44px;height:4px;border-radius:3px;background:rgba(0,245,255,.5);box-shadow:0 0 8px var(--cyan);}
  header{padding-top:6px;}
  #showBtn{height:44px;}
}