:root{
  --bg1:#cdeaff;--bg2:#eaf8e2;--ink:#243447;--ink2:#5b6b7d;--card:#ffffff;--line:#dbe6ef;
  --blue:#3b82f6;--blue2:#2563eb;--orange:#f2994a;--green:#34c06b;--green2:#239a52;--pink:#ff6b9e;--yellow:#ffd43b;--red:#ef4444;--purple:#8b5cf6;
  --shadow:0 6px 0 rgba(36,52,71,.12),0 10px 24px rgba(36,52,71,.10);
  --r:18px;
}
@media (prefers-color-scheme:dark){:root.auto{--bg1:#16253a;--bg2:#1c3328;--ink:#eaf2fb;--ink2:#a6b6c8;--card:#22324a;--line:#334a68}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{font-family:'Trebuchet MS','Segoe UI Rounded','Nunito','Segoe UI',system-ui,-apple-system,sans-serif;color:var(--ink);background:linear-gradient(180deg,var(--bg1),var(--bg2)) fixed;overflow-x:hidden}
body.dragging{user-select:none;touch-action:none;cursor:grabbing}
[hidden]{display:none!important}
button{font:inherit;color:inherit;cursor:pointer}
.screen{min-height:100dvh}
.btn{border:0;background:var(--card);padding:10px 16px;border-radius:14px;font-weight:700;box-shadow:0 4px 0 rgba(36,52,71,.15);transition:transform .08s,box-shadow .08s;white-space:nowrap}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(36,52,71,.15)}
.btn.go{background:var(--green);color:#fff;box-shadow:0 4px 0 var(--green2);font-size:1.05rem}
.btn.go.stop{background:var(--orange);box-shadow:0 4px 0 #c96d1e}
.btn.round{width:46px;height:46px;border-radius:50%;padding:0;font-size:1.25rem;display:grid;place-items:center}
.btn.tiny{padding:5px 10px;font-size:.85rem;border-radius:10px}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 4px 0 var(--blue2)}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ANA SAYFA */
.hero{text-align:center;padding:36px 16px 8px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-cat{font-size:3.2rem;filter:drop-shadow(0 4px 0 rgba(0,0,0,.12))}
.logo h1{margin:0;font-size:3rem;letter-spacing:.5px;color:var(--ink);text-shadow:0 3px 0 rgba(255,255,255,.7)}
.tag{margin:6px 0 0;font-size:1.15rem}
.sub{margin:4px 0 0;color:var(--ink2)}
#grades{max-width:1100px;margin:18px auto 0;padding:0 16px}
.group{margin:18px 0}
.group h3{margin:0 0 10px 4px;font-size:1.1rem;color:var(--ink2);text-transform:uppercase;letter-spacing:.06em}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.gcard{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:var(--shadow);border-top:8px solid var(--c);display:flex;flex-direction:column;gap:8px;cursor:pointer;transition:transform .12s;text-align:left;border-left:0;border-right:0;border-bottom:0;position:relative}
.gcard:hover{transform:translateY(-3px)}
.gcard .emo{font-size:2rem}
.gcard h4{margin:0;font-size:1.2rem}
.gcard p{margin:0;color:var(--ink2);font-size:.92rem}
.bar{height:10px;border-radius:6px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;background:var(--c);border-radius:6px}
.gcard small{color:var(--ink2)}
.dual{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:4px}
.dual .btn{padding:9px 6px;font-size:.92rem;text-align:center}
.mcard{cursor:default}
.mcard:hover{transform:none}
.home-foot{max-width:1100px;margin:26px auto 40px;padding:0 16px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.chip{background:var(--card);border-radius:999px;padding:8px 14px;border:0;box-shadow:0 3px 0 rgba(36,52,71,.12);font-weight:700;text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.chip small{font-weight:400;color:var(--ink2)}

/* ÜST ÇUBUK */
.topbar{display:flex;align-items:center;gap:10px;padding:10px 14px;position:sticky;top:0;z-index:5;background:linear-gradient(180deg,rgba(205,234,255,.96),rgba(205,234,255,.7));backdrop-filter:blur(6px)}
.topbar h2{margin:0;font-size:1.2rem;flex:1}
.topbar .ttl{flex:1;min-width:0}
.topbar .ttl small{display:block;color:var(--ink2);font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.star-total,.stars-now{font-weight:800;white-space:nowrap}
.stars-now{font-size:1.4rem;letter-spacing:2px}

/* BÖLÜM HARİTASI */
#mapBody{max-width:980px;margin:0 auto;padding:6px 16px 60px}
.chap{background:var(--card);border-radius:var(--r);padding:14px 16px 16px;margin:14px 0;box-shadow:var(--shadow)}
.chap h3{margin:0;font-size:1.1rem;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chap h3 small{color:var(--ink2);font-weight:600}
.chap p{margin:4px 0 12px;color:var(--ink2);font-size:.92rem}
.lvgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:10px}
.lv{position:relative;border:0;border-radius:16px;padding:8px 0 6px;background:#f2f6fa;box-shadow:0 4px 0 rgba(36,52,71,.14);display:flex;flex-direction:column;align-items:center;gap:2px;font-weight:800}
.lv .n{font-size:1.2rem}
.lv .s{font-size:.78rem;letter-spacing:1px;min-height:1em}
.lv.done{background:#e3f8ea}
.lv.cur{background:var(--yellow);animation:pulse 1.6s infinite}
.lv.lock{opacity:.5;pointer-events:none}
.lv.lock .n::before{content:'🔒';font-size:.9rem}
@keyframes pulse{50%{transform:scale(1.07)}}
.s3{color:#e6a800}.s0{color:#c4ced8}

/* OYUN */
.play-grid{display:grid;grid-template-columns:minmax(300px,1.05fr) minmax(320px,1fr);gap:14px;padding:6px 14px 16px;height:calc(100dvh - 70px)}
.board-col{display:flex;flex-direction:column;gap:8px;min-height:0}
.goal{background:var(--card);border-radius:16px;padding:10px 12px;display:flex;gap:10px;align-items:center;box-shadow:0 4px 0 rgba(36,52,71,.12);font-weight:600}
.goal.icons{font-size:1.15rem}
.board-wrap{flex:1;min-height:200px;position:relative;border-radius:var(--r);background:linear-gradient(180deg,#8fd3ff 0%,#d9f1ff 100%);box-shadow:var(--shadow);overflow:hidden}
.board-wrap canvas{position:absolute;inset:0}
.toast{position:absolute;left:50%;bottom:14px;transform:translate(-50%,20px);background:rgba(36,52,71,.92);color:#fff;padding:10px 16px;border-radius:14px;font-weight:700;opacity:0;pointer-events:none;transition:.25s;max-width:92%;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.bad{background:rgba(190,40,40,.95)}
.controls{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.editor-col{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:0;padding:10px}
.ed-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.ed-head b{flex:1}
.count{font-weight:800;color:var(--ink2);background:var(--line);padding:3px 10px;border-radius:999px;font-size:.85rem}
.count.full{background:#fde2e2;color:#b91c1c}
#editorHost{flex:1;display:flex;flex-direction:column;min-height:0;gap:8px}
body.trash-hot .trash-zone{background:#ffd0d0;transform:scale(1.15)}

/* blok editörü */
.ed-tabs{display:flex;gap:6px;flex-wrap:wrap}
.ed-tab{border:0;background:var(--line);padding:6px 12px;border-radius:10px 10px 0 0;font-weight:700}
.ed-tab.on{background:var(--blue);color:#fff}
.ed-work{flex:1;overflow:auto;background:#f6f9fc;border:2px dashed var(--line);border-radius:14px;padding:8px;min-height:120px}
.fn-head{font-size:.85rem;color:var(--ink2);margin-bottom:6px}
.start-flag{font-weight:800;color:var(--green2)}
.blist{display:flex;flex-wrap:wrap;gap:2px;align-items:center;min-height:38px}
.blist.empty{min-height:56px}
.slot{width:10px;min-height:38px;border-radius:6px;transition:.1s;display:inline-block;align-self:stretch}
.slot.cur{background:var(--blue);width:6px;animation:blink 1s infinite}
.slot.big{width:auto;min-width:48px;padding:0 10px;display:inline-flex;align-items:center;color:var(--ink2);font-size:.85rem;border:2px dashed transparent}
.blist.empty{width:100%}
.blist.empty .slot.big{flex:1;min-height:56px}
.slot.big.cur{background:rgba(59,130,246,.15);border-color:var(--blue);animation:none}
.slot.hot{background:var(--orange)!important;width:22px;animation:none}
@keyframes blink{50%{opacity:.35}}
.blk{background:var(--c,#e8eef5);border-radius:12px;padding:4px 6px;box-shadow:0 3px 0 rgba(0,0,0,.14);position:relative;color:#fff;cursor:grab;touch-action:none;max-width:100%}
.blk.dragged{opacity:.35}
.blk.running{outline:4px solid var(--yellow);outline-offset:1px;animation:glow .5s infinite alternate}
@keyframes glow{to{outline-color:#fff}}
.b-fwd{--c:#3b82f6}.b-left,.b-right{--c:#8b5cf6}.b-pick{--c:#e0a100}.b-rep,.b-for,.b-foreach{--c:#ef7d3c}.b-while{--c:#e0568f}.b-if{--c:#16a394}.b-call{--c:#6366f1}.b-set,.b-print{--c:#64748b}
.bhead{display:flex;align-items:center;gap:6px;font-weight:700;flex-wrap:wrap}
.bic{font-size:1.25rem;line-height:1}
.blab{font-size:.92rem}.blab.small{font-size:.7rem;opacity:.85;font-weight:500}
.bhead select,.bhead code{font:inherit;font-weight:800;border-radius:8px;border:0;padding:3px 4px;background:#fff;color:var(--ink)}
.bhead code{padding:3px 6px;font-family:ui-monospace,Menlo,monospace}
.bhead .var{background:#fff;color:var(--ink);border-radius:8px;padding:1px 7px}
.bhead select.num{min-width:42px}
.bhead label.not{display:inline-flex;align-items:center;gap:2px;font-size:.85rem;background:rgba(255,255,255,.25);padding:2px 6px;border-radius:8px}
.bx{border:0;background:rgba(0,0,0,.2);color:#fff;border-radius:50%;width:22px;height:22px;font-size:.7rem;line-height:1;padding:0;margin-left:2px}
.ro .bx{display:none}
.inner{margin:4px 0 2px 10px;padding:4px 4px 4px 8px;border-left:5px solid rgba(255,255,255,.55);background:rgba(255,255,255,.18);border-radius:0 10px 10px 0}
.inner .blist{min-height:32px}
.else-lab{font-size:.8rem;font-weight:800;margin:4px 0 0 4px;opacity:.95}
.ed-pal{display:flex;flex-wrap:wrap;gap:8px;padding-top:2px}
.pal-b{border:0;border-radius:14px;padding:8px 12px;color:#fff;font-weight:800;display:inline-flex;gap:6px;align-items:center;box-shadow:0 4px 0 rgba(0,0,0,.18);touch-action:none;user-select:none;background:var(--c)}
.pal-b:active{transform:translateY(2px)}
.p-fwd{--c:#3b82f6}.p-left,.p-right{--c:#8b5cf6}.p-pick{--c:#e0a100}.p-rep,.p-for{--c:#ef7d3c}.p-while{--c:#e0568f}.p-if{--c:#16a394}.p-call{--c:#6366f1}
.icons .pal-b{padding:12px 16px;font-size:1.5rem}
.icons .bic{font-size:1.9rem}
.icons .blk{padding:6px 8px;border-radius:14px}
.icons .slot{min-height:56px;width:14px}
.icons .blist.empty{min-height:72px}
.ghost{position:fixed;z-index:50;pointer-events:none;transform:translate(-50%,-50%) rotate(-4deg);background:#fff;color:var(--ink);border-radius:12px;padding:8px 12px;font-weight:800;box-shadow:0 8px 24px rgba(0,0,0,.3);display:flex;gap:6px}

/* python editörü */
#editorHost .py-wrap{display:flex;flex:1;min-height:180px;border:2px solid var(--line);border-radius:14px;overflow:hidden;background:#101a2b;font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:15px;line-height:24px}
.py-gutter{width:42px;background:#0c1422;color:#5a6f8f;text-align:right;padding:10px 8px 10px 0;white-space:pre;overflow:hidden;user-select:none}
.py-area{position:relative;flex:1;min-width:0}
.py-ta{position:absolute;inset:0;width:100%;height:100%;border:0;outline:0;resize:none;background:transparent;color:#e7efff;padding:10px;font:inherit;line-height:24px;white-space:pre;overflow:auto;tab-size:4;caret-color:#ffd43b}
.py-hl,.py-err-line{position:absolute;left:0;right:0;height:24px;display:none;pointer-events:none}
.py-hl{background:rgba(255,212,59,.28);border-left:4px solid var(--yellow)}
.py-err-line{background:rgba(239,68,68,.3);border-left:4px solid var(--red)}
.py-msg{min-height:22px;font-size:.92rem;font-weight:700;color:var(--ink2)}
.py-msg.bad{color:#c62828}
.py-cheat{max-height:34%;overflow:auto;background:#f6f9fc;border-radius:12px;padding:8px;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:8px}
.cheat-sec h4{margin:0 0 4px;font-size:.85rem;color:var(--blue2)}
.cheat-sec pre{margin:0;background:#101a2b;color:#cfe0ff;padding:8px;border-radius:8px;font-size:.78rem;line-height:1.35;overflow:auto}
.sol-code{background:#101a2b;color:#e7efff;padding:14px;border-radius:12px;font-size:1rem;line-height:1.5;overflow:auto;max-height:50vh}

/* MODAL */
#modal{position:fixed;inset:0;background:rgba(20,30,48,.55);display:grid;place-items:center;z-index:100;padding:16px;backdrop-filter:blur(3px)}
.modal-card{background:var(--card);border-radius:24px;padding:22px;max-width:560px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.35);text-align:center;max-height:92dvh;overflow:auto;animation:pop .25s}
@keyframes pop{from{transform:scale(.85);opacity:0}}
.modal-card h3{margin:6px 0;font-size:1.6rem}
.modal-card p{margin:6px 0;color:var(--ink2)}
.bigstars{font-size:3.2rem;letter-spacing:6px;margin:4px 0}
.bigstars span{display:inline-block;animation:starin .5s both}
.bigstars span:nth-child(2){animation-delay:.2s}.bigstars span:nth-child(3){animation-delay:.4s}
@keyframes starin{from{transform:scale(0) rotate(-90deg)}to{transform:scale(1)}}
.mbtns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.modal-card .ro-host{text-align:left;margin-top:10px}
.cert{border:8px double var(--orange);border-radius:16px;padding:26px 18px;background:#fffdf5;color:#243447}
.cert h3{font-size:2rem;margin:0}
.cert .nm{font-size:1.8rem;font-weight:800;margin:10px 0;border-bottom:2px dashed #aaa;display:inline-block;min-width:60%}
.cert input{font:inherit;font-size:1.5rem;text-align:center;border:0;border-bottom:2px dashed #aaa;background:transparent;width:80%;color:#243447}

@media (max-width:860px){
  .play-grid{grid-template-columns:1fr;grid-template-rows:minmax(230px,40dvh) minmax(0,1fr);height:calc(100dvh - 66px);padding:4px 10px 10px;gap:8px}
  .goal{font-size:.85rem;padding:6px 10px}
  .controls .btn{padding:8px 10px;font-size:.9rem}
  .hero{padding-top:22px}.logo h1{font-size:2.4rem}
  .board-col{display:grid;grid-template-rows:auto minmax(0,1fr) auto}
}
@media print{
  body>*:not(#modal){display:none!important}
  #modal{position:static;background:none;display:block;padding:0}
  .modal-card{box-shadow:none;max-width:none}
  .mbtns{display:none}
}