/* theme.css — tokeny obu motywów, typografia, szkielet ekranów i menu.
   Plansza, panel sterowania, okna i animacje: game.css. */
:root{
  --font:"SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI Variable Display","Segoe UI",Inter,Roboto,"Helvetica Neue",system-ui,sans-serif;
  --bg:#f3f5fb;--bg2:#e7ecf7;--surface:#ffffff;--surface2:#f6f8fd;--line:#d6dcea;--line2:#8e98b3;
  --ink:#141a2b;--ink2:#5b6580;--ink3:#8b95ad;--accent:#3a6ff0;--accent2:#5b8bff;--accent-ink:#ffffff;
  --player:#2f62e0;--wrong:#e0475a;--wrong-bg:#fde5e8;--note:#6a7590;
  --related:#eaf0fc;--same:#d8e3fb;--selected:#c3d6ff;--proof:#fff1c2;--proof-ring:#f0b429;
  --good:#2fa876;--shadow:0 18px 50px -20px rgba(20,30,60,.35),0 2px 6px rgba(20,30,60,.08);
  --ring:0 0 0 3px rgba(58,111,240,.35);--radius:22px;--radius-s:14px;
  --pad:clamp(12px,3vw,28px);--btn:#ffffff;--btn-ink:var(--accent);--btn-line:#d8e2fb;--btn-hi:rgba(255,255,255,.9);
  --num:#eef3ff;--num-ink:#2f62e0;--num-line:#d2ddfb;--toast:#1b2238;--toast-ink:#fff;--scrim:rgba(18,24,40,.45);
  color-scheme:light;
}
body[data-theme="dark"]{
  --bg:#0d1119;--bg2:#141a26;--surface:#171d2a;--surface2:#1d2433;--line:#2a3345;--line2:#6d7a9c;
  --ink:#e9edf7;--ink2:#a0abc4;--ink3:#7d88a3;--accent:#5c8bff;--accent2:#7ea3ff;--accent-ink:#0b1020;
  --player:#86adff;--wrong:#ff7583;--wrong-bg:#3a1d26;--note:#8f9bb8;
  --related:#1b2334;--same:#243554;--selected:#2c4a86;--proof:#4a3a12;--proof-ring:#f0b429;
  --good:#4fd39a;--shadow:0 22px 60px -22px rgba(0,0,0,.8),0 2px 8px rgba(0,0,0,.4);
  --ring:0 0 0 3px rgba(92,139,255,.45);
  --btn:#1d2536;--btn-ink:#9db8ff;--btn-line:#2c3852;--btn-hi:rgba(255,255,255,.06);
  --num:#1b2438;--num-ink:#9db8ff;--num-line:#2b3852;--toast:#e9edf7;--toast-ink:#0d1119;--scrim:rgba(0,0,0,.6);
  color-scheme:dark;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;touch-action:manipulation;user-select:none;-webkit-user-select:none}
body:before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(120% 80% at 50% -10%,var(--bg2),transparent 60%),radial-gradient(60% 50% at 100% 100%,var(--bg2),transparent 70%)}
button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer;touch-action:manipulation}
button:focus-visible,[tabindex]:focus-visible{outline:none;box-shadow:var(--ring)}
.app{min-height:100dvh;display:flex;flex-direction:column;padding:max(env(safe-area-inset-top),8px) var(--pad) max(env(safe-area-inset-bottom),12px)}
.top{display:flex;align-items:center;gap:12px;min-height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.logo{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:20px;color:var(--accent-ink);background:linear-gradient(145deg,var(--accent2),var(--accent));box-shadow:0 6px 16px -6px var(--accent)}
.brand b{display:block;font-size:17px;letter-spacing:-.01em}.brand small{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);font-weight:600}
.icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--btn);border:1px solid var(--btn-line);color:var(--btn-ink);box-shadow:inset 0 1px 0 var(--btn-hi),0 2px 6px -2px rgba(0,0,0,.15);transition:transform .12s,background .2s}
.icon:active{transform:scale(.94)}.icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.screen{display:none;flex:1;flex-direction:column}.screen.active{display:flex}
/* ===== MENU ===== */
.menu{align-items:center;gap:18px;padding-top:clamp(8px,4vh,48px);max-width:560px;width:100%;margin:0 auto}
.hero{text-align:center;margin-bottom:6px}
.hero h1{margin:0;font-size:clamp(40px,9vw,64px);letter-spacing:-.04em;font-weight:800;line-height:1;background:linear-gradient(120deg,var(--ink),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:10px 0 0;color:var(--ink2);font-size:15px;letter-spacing:.02em}
.card{width:100%;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;transition:transform .15s,box-shadow .2s}
.card:active{transform:scale(.985)}.card:hover{box-shadow:0 24px 60px -24px rgba(20,30,60,.45),0 2px 6px rgba(20,30,60,.08)}
.card .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:22px;background:var(--num);color:var(--num-ink)}
.card.primary .ic{background:linear-gradient(145deg,var(--accent2),var(--accent));color:var(--accent-ink)}
.card b{display:block;font-size:17px}.card small{display:block;color:var(--ink2);font-size:13px;margin-top:2px}
.card .meta{text-align:right;color:var(--ink3);font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}.card .meta b{font-size:15px;color:var(--ink);letter-spacing:0;text-transform:none}
.bar{height:5px;border-radius:3px;background:var(--line);margin-top:8px;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent));border-radius:3px}
.label{width:100%;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink3);font-weight:700;margin:6px 0 -8px 4px}
.levels{width:100%;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.lvl{position:relative;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);padding:14px 14px 12px 18px;box-shadow:var(--shadow);transition:transform .15s;overflow:hidden}
.lvl:active{transform:scale(.97)}.lvl:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c)}
.lvl b{display:block;font-size:16px}.lvl small{display:block;color:var(--ink2);font-size:12px;margin-top:3px;letter-spacing:.02em}.lvl small em{font-style:normal;color:var(--ink3)}
.dots{display:flex;gap:3px;margin-top:8px}.dots i{width:14px;height:4px;border-radius:2px;background:var(--line)}.dots i.on{background:var(--c)}
.row{display:flex;gap:10px;width:100%}
.ghost{flex:1;height:52px;border-radius:var(--radius-s);background:var(--btn);border:1px solid var(--btn-line);color:var(--btn-ink);font-weight:700;font-size:15px;letter-spacing:.02em;box-shadow:inset 0 1px 0 var(--btn-hi),0 2px 6px -2px rgba(0,0,0,.15);transition:transform .12s}
.ghost:active{transform:scale(.97)}
.solid{flex:1;height:52px;border-radius:var(--radius-s);background:linear-gradient(145deg,var(--accent2),var(--accent));color:var(--accent-ink);font-weight:700;font-size:15px;letter-spacing:.02em;box-shadow:0 10px 24px -10px var(--accent);transition:transform .12s,filter .2s}
.solid:active{transform:scale(.97)}.solid:hover{filter:brightness(1.06)}
.points{color:var(--ink3);font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}.points b{color:var(--ink);font-size:14px;letter-spacing:0}
@media(min-width:760px){.levels{grid-template-columns:repeat(3,1fr)}.menu{max-width:720px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}