:root{
  --bg:#F2F6FC;--surface:#FFFFFF;--ink:#16202E;--muted:#6B7A90;--line:#DCE5F1;
  --accent:#1F6FEB;--accent-2:#1553B8;--accent-soft:#E4EEFD;--teal:#0E9AA7;--warn:#E8590C;
  --grad:linear-gradient(135deg,#4C9AFF,#1553B8);
  --shadow:0 8px 28px rgba(20,60,130,.12),0 1px 2px rgba(20,60,130,.08);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;background:var(--bg);color:var(--ink);font:14px/1.45 Inter,system-ui,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}
button,select,input{font:inherit;color:inherit}
button{cursor:pointer}
i{display:inline-flex;width:18px;height:18px;font-style:normal;flex:none}
i svg{width:100%;height:100%}
[hidden]{display:none!important}
.grow{flex:1}.muted{color:var(--muted)}.sm{font-size:12.5px;margin:0 0 10px}

header.top{height:58px;flex:none;display:flex;align-items:center;gap:8px;padding:0 14px;background:rgba(242,246,252,.95);border-bottom:1px solid var(--line);z-index:30}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit}
.logo{width:40px;height:40px;border-radius:12px;overflow:hidden;position:relative;flex:none;box-shadow:0 3px 10px rgba(20,60,130,.25)}
.logo img{position:absolute;width:122%;height:122%;left:-11%;top:-11%;max-width:none}
.word{font:600 22px/1 Fraunces,Georgia,serif;white-space:nowrap;color:var(--teal)}
.word b{color:var(--accent);font-weight:600}
.tag{font-size:12px;color:var(--muted);padding:3px 9px;border:1px solid var(--line);border-radius:99px;background:var(--surface);white-space:nowrap}
.btn{height:36px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 12px;border:1px solid var(--line);background:var(--surface);border-radius:10px;font-weight:500;transition:.15s}
.btn:hover{border-color:#A9C4F0;background:#F3F8FF}
.btn.ico{width:38px;padding:0}
.btn.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-2)}
.btn.primary{background:var(--grad);color:#fff;border-color:transparent}
.btn.danger{color:#C2361B;width:100%;margin-top:10px}
.btn.lang{padding:3px;gap:2px}
.btn.lang .lg{padding:5px 8px;border-radius:7px;font:600 12px Inter,sans-serif;color:var(--muted)}
.btn.lang .lg.on{background:var(--grad);color:#fff}
.chip{border:1px solid var(--line);background:#fff;border-radius:99px;padding:4px 11px;font-size:12.5px;font-weight:500}
.chip:hover{border-color:var(--accent)}.chip.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-2)}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}

#stage{flex:1;position:relative;display:flex;min-height:0;overflow:hidden}
.tools{width:74px;flex:none;background:var(--surface);border-right:1px solid var(--line);padding:8px 6px;display:flex;flex-direction:column;gap:5px;overflow-y:auto;z-index:6}
.tools button{display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 2px;border:1px solid transparent;background:none;border-radius:11px;font-size:10.5px;font-weight:500;color:#40536E;line-height:1.1;text-align:center}
.tools button i{width:24px;height:24px}
.tools button:hover{background:#F3F8FF;border-color:var(--line)}
.tools button.on{background:var(--grad);color:#fff;box-shadow:0 3px 10px rgba(21,83,184,.3)}
.cv{position:relative;flex:1;min-width:0;background:#E9EFF8;touch-action:none}
.cv canvas#c{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.bar{position:absolute;left:50%;transform:translateX(-50%);top:10px;display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:5px 8px;box-shadow:var(--shadow);z-index:5}
.bar select{height:34px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:0 6px}
.clock{font:600 13px Inter,sans-serif;min-width:62px;text-align:right;color:var(--accent-2);font-variant-numeric:tabular-nums}
.hint{position:absolute;left:50%;transform:translateX(-50%);bottom:10px;max-width:calc(100% - 24px);background:rgba(22,32,46,.88);color:#fff;font-size:12.5px;padding:6px 14px;border-radius:99px;pointer-events:none;z-index:5;text-align:center}
.fab{display:none}

.panel{width:340px;flex:none;background:var(--surface);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0;z-index:6}
.ptabs{display:flex;gap:2px;padding:8px 8px 0;border-bottom:1px solid var(--line);flex:none;overflow-x:auto}
.ptabs button{border:0;background:none;padding:9px 10px;font-weight:500;font-size:13px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.ptabs button.on{color:var(--accent-2);border-bottom-color:var(--accent)}
.ptabs .mob{display:none}
.pbody{display:none;flex:1;overflow:auto;padding:14px}
.pbody.on{display:block}
.exgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.exgrid button{text-align:left;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:3px}
.exgrid button:hover{border-color:var(--accent);background:#F3F8FF}
.exgrid b{font-size:13.5px}.exgrid small{color:var(--muted);font-size:11.5px;line-height:1.3}
.fld{margin-bottom:14px}
.fld>label{display:block;font-weight:600;font-size:12.5px;margin-bottom:6px;color:#40536E}
.rng{display:flex;align-items:center;gap:10px}.rng input[type=range]{flex:1;accent-color:var(--accent)}
.rng output{min-width:64px;text-align:right;font-variant-numeric:tabular-nums;font-weight:600;font-size:12.5px}
.chk{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:13.5px;cursor:pointer}
.chk input{accent-color:var(--accent);width:16px;height:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:6px}
.objtitle{font:600 16px Fraunces,Georgia,serif;margin-bottom:10px}
.num{display:flex;align-items:center;gap:8px;margin-bottom:9px}
.num label{flex:1;font-size:13px;color:#40536E}
.num input[type=number]{width:92px;border:1px solid var(--line);border-radius:8px;padding:6px 8px;background:#fff}
.num input[type=range]{width:120px;accent-color:var(--accent)}
.sw-cols{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.sw-cols button{width:26px;height:26px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);padding:0}
.sw-cols button.on{box-shadow:0 0 0 2px var(--accent)}
#gc{width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:12px;margin-top:4px}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;margin:6px 0}
.legend i{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:4px}
.readout{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:13px;margin:6px 0 10px}
.readout span{color:var(--muted)}.readout b{font-variant-numeric:tabular-nums}

#toast{position:absolute;left:50%;bottom:54px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:9px 16px;border-radius:99px;opacity:0;transition:.25s;pointer-events:none;z-index:60;font-weight:500;max-width:90%;text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)}
footer{height:32px;flex:none;display:flex;align-items:center;justify-content:center;gap:8px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);background:var(--bg)}
footer b{color:#40536E;font-weight:600}footer .dot{width:4px;height:4px;border-radius:50%;background:var(--accent)}
dialog{border:1px solid var(--line);border-radius:18px;padding:22px 24px;box-shadow:var(--shadow);background:var(--surface);color:var(--ink);max-width:560px;width:calc(100% - 32px)}
dialog::backdrop{background:rgba(22,32,46,.35)}
dialog h3{margin:0 0 12px;font:600 20px Fraunces,Georgia,serif}
dialog table{width:100%;border-collapse:collapse}dialog td{padding:6px 0;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:top}
dialog td:first-child{width:36%;color:var(--muted);padding-right:10px}
kbd.k{font:600 11px Inter;background:#fff;border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:1px 6px}
dialog .row{display:flex;justify-content:flex-end;margin-top:14px}

@media (max-width:900px){.tag{display:none}.btn .lbl{display:none}.panel{width:300px}}
@media (max-width:760px){
  .tools{width:auto;flex-direction:row;overflow-x:auto;overflow-y:hidden;border-right:0;border-bottom:1px solid var(--line);padding:5px 6px;position:absolute;left:0;right:0;top:0;z-index:7}
  .tools button{flex:none;width:60px}
  #stage{display:block}
  .cv{position:absolute;inset:66px 0 0 0;transition:bottom .25s}
  .bar{top:8px}
  .panel{position:absolute;left:0;right:0;bottom:0;width:auto;height:48%;border-left:0;border-top:1px solid var(--line);border-radius:18px 18px 0 0;box-shadow:0 -8px 28px rgba(20,60,130,.15);transition:transform .25s;z-index:8}
  .panel.closed{transform:translateY(100%);pointer-events:none}
  .panel:not(.closed)~*{}
  .ptabs .mob{display:inline-flex;margin-left:auto;flex:none}
  .fab{display:inline-flex;position:absolute;right:12px;bottom:12px;z-index:7;align-items:center;gap:7px;height:42px;padding:0 15px;border:0;border-radius:14px;background:var(--grad);color:#fff;font-weight:600;box-shadow:0 4px 14px rgba(21,83,184,.4)}
  .hint{bottom:62px;font-size:12px}
  .exgrid{grid-template-columns:1fr 1fr}
}

/* ---------- dopracowanie wyglądu ---------- */
body{background:linear-gradient(180deg,#EEF4FC 0%,#E3ECF8 100%)}
header.top{background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(244,248,254,.92));backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line),0 6px 20px rgba(20,60,130,.05)}
.word{background:linear-gradient(90deg,#0E9AA7,#1F6FEB);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:23px}
.word b{-webkit-text-fill-color:transparent}
.logo{box-shadow:0 4px 14px rgba(20,60,130,.28),inset 0 0 0 1px rgba(255,255,255,.4)}
.btn{box-shadow:0 1px 2px rgba(20,60,130,.06)}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(20,60,130,.12)}
.tools{background:linear-gradient(180deg,#fff,#F6F9FE);border-right:1px solid var(--line);box-shadow:4px 0 18px rgba(20,60,130,.05);gap:6px;padding:10px 7px}
.tools button{border-radius:14px;color:#3B4E6B;font-weight:600;padding:8px 2px 7px}
.tools button i{color:var(--tc,#3B4E6B);width:26px;height:26px;transition:transform .15s}
.tools button:hover i{transform:scale(1.12)}
.tools button.on{background:linear-gradient(135deg,#4C9AFF,#1553B8)}
.tools button.on i{color:#fff}
.cv{background:transparent}
.bar{background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border:1px solid rgba(220,229,241,.9);border-radius:18px;padding:6px 10px;box-shadow:0 10px 30px rgba(20,60,130,.16)}
.bar .btn.on{background:var(--grad);color:#fff;border-color:transparent}
.clock{font-size:14px;background:#EAF2FF;border-radius:10px;padding:5px 10px;min-width:74px;text-align:center}
.hint{background:rgba(22,32,46,.82);backdrop-filter:blur(8px);font-weight:500}
.panel{background:linear-gradient(180deg,#fff,#F8FAFE);box-shadow:-4px 0 20px rgba(20,60,130,.06)}
.ptabs{background:#fff}
.ptabs button{border-radius:9px 9px 0 0;transition:.15s}
.ptabs button:hover{color:var(--accent-2);background:#F3F8FF}
.exgrid button{position:relative;padding:12px 12px 12px;border-radius:16px;gap:4px;transition:.18s;box-shadow:0 1px 2px rgba(20,60,130,.05);background:linear-gradient(180deg,#fff,#F7FAFF)}
.exgrid button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(20,60,130,.14);border-color:#A9C4F0}
.exgrid .em{font-size:24px;line-height:1;margin-bottom:2px}
.exgrid b{font-size:13.5px}
.chip{transition:.15s}.chip:hover{transform:translateY(-1px)}
.rng input[type=range]{height:6px}
.chk{border-radius:8px;padding:6px 8px}.chk:hover{background:#F3F8FF}
.objtitle{background:linear-gradient(90deg,#0E9AA7,#1F6FEB);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:18px}
.num input[type=number]{transition:.15s}.num input[type=number]:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
#gc{box-shadow:0 2px 10px rgba(20,60,130,.08)}
.fab{box-shadow:0 8px 22px rgba(21,83,184,.45)}
@media (max-width:760px){.tools{background:#fff;box-shadow:0 4px 14px rgba(20,60,130,.08)}.tools button i{width:24px;height:24px}}