:root{
  --bg:#0b1020; --panel:#121a2e; --card:#172138; --line:#26324d; --text:#e8edf7; --muted:#93a0bb;
  --pri:#22c38e; --pri2:#14a374; --acc:#7c8cff; --warn:#f59e0b; --danger:#ef4444;
  --r:14px; --sh:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:"IBM Plex Sans Arabic",Tahoma,sans-serif}
button,select,input{font:inherit;color:inherit}
.app{display:grid;grid-template-columns:360px 1fr;height:100vh}
.side{background:var(--panel);border-inline-start:1px solid var(--line);overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.brand{display:flex;gap:12px;align-items:center;padding:4px 2px 8px}
.brand .logo{width:42px;height:42px;color:var(--pri);background:rgba(34,195,142,.12);border-radius:12px;padding:7px}
.brand h1{margin:0;font-size:22px;letter-spacing:.3px}
.brand p{margin:2px 0 0;color:var(--muted);font-size:12.5px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.card h2{margin:0 0 10px;font-size:15px;display:flex;align-items:center;gap:8px}
details.card summary{list-style:none;cursor:pointer}
details.card summary::-webkit-details-marker{display:none}
details.card summary h2{margin:0}
details.card summary h2::after{content:"⌄";margin-inline-start:auto;color:var(--muted)}
details[open].card summary h2{margin-bottom:10px}
.num{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:7px;background:#22304f;color:var(--pri);font-size:12px}
.count{margin-inline-start:auto;color:var(--muted);font-weight:500;font-size:12px}
.drop{display:grid;place-items:center;min-height:130px;border:1.5px dashed #34446a;border-radius:12px;cursor:pointer;text-align:center;color:var(--muted);font-size:13.5px;padding:8px;transition:.15s;background:repeating-conic-gradient(#141d33 0 25%,#18223b 0 50%) 0 0/16px 16px}
.drop:hover,.drop.over{border-color:var(--pri);color:var(--text)}
.drop img{max-width:100%;max-height:190px;border-radius:8px}
.drop small{opacity:.75}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}
.row.end{justify-content:flex-end}
.hint{color:var(--muted);font-size:12px;line-height:1.6;margin:8px 0 0}
.row .hint{margin:0;flex:1;min-width:150px}
.btn{border:1px solid var(--line);background:#1d2944;border-radius:11px;padding:9px 14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .08s,background .15s,box-shadow .15s;box-shadow:0 2px 0 #0a0f1d}
.btn:hover:not(:disabled){background:#24335a}
.btn:active:not(:disabled){transform:translateY(2px);box-shadow:none}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn svg{width:20px;height:20px}
.btn.sm{padding:6px 11px;font-size:13px}
.btn.ghost{background:transparent}
.btn.ghost:hover:not(:disabled){background:#1d2944}
.btn.primary{background:linear-gradient(180deg,var(--pri),var(--pri2));border-color:#0f8a62;color:#04140e;font-weight:700;box-shadow:0 3px 0 #0b6b4c,0 8px 22px rgba(34,195,142,.25)}
.btn.primary:hover:not(:disabled){background:linear-gradient(180deg,#2bd69c,#17b07e)}
.btn.big{padding:14px;font-size:16px;width:100%}
.btn.accent{width:100%;background:linear-gradient(180deg,#8b99ff,#6573f0);border-color:#5160d8;color:#fff;font-weight:600;box-shadow:0 3px 0 #3d49b4}
.btn.rec{background:var(--danger);border-color:#b91c1c;color:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.grid2 .btn{font-size:13px;padding:9px 8px}
.field{margin:10px 0}
.field label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}
.field output{color:var(--text)}
input[type=range]{width:100%;accent-color:var(--pri)}
select{width:100%;background:#0f172a;border:1px solid var(--line);border-radius:10px;padding:8px}
.seg{display:flex;background:#0f172a;border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:transparent;border-radius:8px;padding:6px;cursor:pointer;font-size:13px;color:var(--muted)}
.seg button.on{background:#22304f;color:var(--text)}
.check{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:8px;cursor:pointer}
.check input{accent-color:var(--pri);width:16px;height:16px}
.anims{margin-top:10px}
.anims h4{margin:12px 0 6px;font-size:12px;color:var(--muted);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line);background:#121b30;border-radius:999px;padding:5px 11px;font-size:12.5px;cursor:pointer;transition:.12s}
.chip:hover:not(:disabled){border-color:var(--pri);color:#fff}
.chip.on{background:var(--pri);border-color:var(--pri);color:#04140e;font-weight:600}
.chip:disabled{opacity:.4;cursor:not-allowed}
.stage{position:relative;overflow:hidden;background:#0d1426}
#view{width:100%;height:100%;display:block;touch-action:none}
.empty{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;text-align:center;padding:24px;pointer-events:none;color:var(--muted)}
.empty svg{width:96px;height:96px;color:#3b4b72;margin-bottom:8px}
.empty h3{color:var(--text);margin:6px 0;font-size:20px}
.empty p{max-width:460px;line-height:1.9;margin:0}
.caption{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);background:rgba(10,15,30,.72);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.08);padding:9px 20px;border-radius:999px;font-size:17px;font-weight:600;white-space:nowrap}
.caption small{color:var(--muted);font-weight:500;margin-inline-start:8px}
.rec-dot{position:absolute;top:16px;left:16px;background:rgba(239,68,68,.9);color:#fff;border-radius:999px;padding:5px 12px;font-size:13px;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.55}}
.busy{position:absolute;inset:0;background:rgba(8,12,24,.72);backdrop-filter:blur(3px);display:grid;place-content:center;justify-items:center;gap:12px;font-size:15px}
.spin{width:46px;height:46px;border-radius:50%;border:4px solid #26324d;border-top-color:var(--pri);animation:sp 0.9s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.bar{width:240px;height:6px;background:#1f2a44;border-radius:9px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--pri);transition:width .25s}
.toast{position:absolute;top:16px;right:50%;transform:translateX(50%);max-width:min(560px,90%);background:#1b2540;border:1px solid var(--line);box-shadow:var(--sh);border-radius:12px;padding:12px 16px;font-size:14px;line-height:1.7}
.toast .row{margin-top:8px}
.editor{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:16px 18px;max-width:96vw}
.editor::backdrop{background:rgba(0,0,0,.6)}
.editor h3{margin:0 0 4px}
.ed-tip{color:var(--muted);margin:0 0 10px;font-size:13px;min-height:20px}
.ed-wrap{display:grid;place-items:center;background:#0b1020;border-radius:10px;overflow:hidden}
.ed-wrap canvas{cursor:grab;touch-action:none}
.legend{font-size:12px;color:var(--muted);display:inline-flex;gap:6px;align-items:center;margin-inline-start:auto}
.legend i{width:10px;height:10px;border-radius:50%;display:inline-block}
@media (max-width:860px){
  .app{grid-template-columns:1fr;grid-template-rows:55vh auto;height:auto}
  .stage{order:-1;height:55vh}
  .side{border:0}
}