@import url('/fonts/runner-fonts.css');

/* Web Atölyesi — yenilenmiş görünüm (yalnızca görsel; seviye/kontrol mantığı app.js'te değişmedi) */
:root{
  --ink:#0b2447;--soft:#5b7096;--line:#d3e1fb;--navy-1:#0a1738;--navy-2:#12285c;
  --brand:#2563eb;--purple:#7c3aed;--mint:#16a34a;--yellow:#fbbf24;--danger:#dc2626;
  --font:'Nunito','Segoe UI',system-ui,-apple-system,Arial,sans-serif;--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  font-family:var(--font);color:var(--ink);overflow:hidden;
  background:
    radial-gradient(900px 500px at 8% -10%,#fff 0%,transparent 60%),
    radial-gradient(700px 500px at 100% 110%,#c7dcff 0%,transparent 60%),
    radial-gradient(circle,rgba(37,99,235,.10) 1.2px,transparent 1.6px) 0 0/26px 26px,
    linear-gradient(160deg,#eef4ff,#dbe8ff);
}
.app{height:100vh;display:flex;flex-direction:column;padding:10px 12px 12px;gap:10px}

/* ---------- üst şerit ---------- */
.topbar{
  height:68px;flex:0 0 auto;display:flex;align-items:center;gap:24px;padding:0 18px;border-radius:22px;
  background:linear-gradient(165deg,var(--navy-1),var(--navy-2));border:1px solid rgba(255,255,255,.1);
  box-shadow:0 14px 30px rgba(11,36,71,.28),inset 0 1px 0 rgba(255,255,255,.14);color:#fff;
}
.brand{display:flex;align-items:center;gap:12px;min-width:225px}
.brand-mark{font:900 17px var(--mono);color:#fff;background:linear-gradient(135deg,#7c3aed,#2563eb);padding:11px 10px;border-radius:14px;box-shadow:0 6px 14px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.4)}
.brand strong,.brand small{display:block}
.brand strong{font-size:17px;font-weight:900;letter-spacing:.2px}
.brand small{font-size:12px;font-weight:700;color:#aac2ee;margin-top:2px}
.progress-wrap{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:12.5px;font-weight:800;color:#d5e3ff}
.progress{width:170px;height:10px;border-radius:20px;background:rgba(255,255,255,.18);overflow:hidden;box-shadow:inset 0 1px 3px rgba(0,0,0,.3)}
.progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,#4ade80,#22d3ee);border-radius:20px;transition:width .4s cubic-bezier(.2,.8,.2,1)}
.icon-btn{display:none;border:0;background:linear-gradient(145deg,#4cc3ee,#1d8fd0);color:#fff;border-radius:12px;padding:8px 12px;font-size:16px;font-weight:900;box-shadow:0 4px 0 rgba(0,0,0,.28)}

/* ---------- yerleşim ---------- */
.workspace{flex:1;min-height:0;display:grid;grid-template-columns:240px minmax(360px,1fr) minmax(360px,1fr);gap:12px}

.sidebar{
  padding:16px 12px;overflow:auto;border-radius:24px;
  background:linear-gradient(165deg,var(--navy-1),var(--navy-2));border:1px solid rgba(255,255,255,.1);
  box-shadow:0 16px 34px rgba(11,36,71,.3),inset 0 1px 0 rgba(255,255,255,.12);
}
.course-title{padding:0 8px 12px;color:#93a9d6;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}
.level-list{display:grid;gap:6px}
.level-item{
  width:100%;border:2px solid transparent;background:rgba(255,255,255,.06);color:#c8d8f7;border-radius:14px;padding:9px;text-align:left;
  display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:center;cursor:pointer;font-family:inherit;transition:background .15s,transform .12s;
}
.level-item:hover:not(:disabled){background:rgba(255,255,255,.14);transform:translateX(2px)}
.level-item.active{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border-color:rgba(255,255,255,.3);box-shadow:0 8px 16px rgba(37,99,235,.4)}
.level-item.done .level-no{background:linear-gradient(145deg,#4ade80,#16a34a);color:#06280f}
.level-item:disabled{opacity:.4;cursor:not-allowed}
.level-no{width:30px;height:30px;border-radius:10px;background:rgba(255,255,255,.14);display:grid;place-items:center;font-size:12px;font-weight:900}
.level-copy strong,.level-copy small{display:block}
.level-copy strong{font-size:12.5px;font-weight:800}
.level-copy small{font-size:10.5px;font-weight:700;color:#93a9d6;margin-top:2px}
.level-item.active .level-copy small{color:#d9e6ff}

.lesson{
  padding:20px;overflow:auto;border-radius:24px;background:linear-gradient(170deg,#fff,#f1f6ff);border:1px solid var(--line);box-shadow:0 16px 34px rgba(15,45,92,.14);
}
.lesson-head{display:flex;justify-content:space-between;gap:12px}
.tag{display:inline-block;color:#fff;background:linear-gradient(135deg,#7c3aed,#2563eb);border-radius:99px;padding:5px 11px;font-size:10.5px;font-weight:900;text-transform:uppercase;letter-spacing:.04em}
.lesson h1{font-size:26px;font-weight:900;margin:10px 0 0;color:var(--ink)}
.xp{display:flex;align-items:baseline;gap:4px;color:#92400e;background:linear-gradient(135deg,#fde68a,#fbbf24);border-radius:16px;padding:6px 14px;height:fit-content;box-shadow:0 6px 12px rgba(245,158,11,.3)}
.xp strong{font-size:22px;font-weight:900}
.xp span{font-size:11px;font-weight:900}
.story{color:var(--soft);font-size:13.5px;font-weight:700;line-height:1.65}
.goal{border:1px solid #cfdcfb;border-left:5px solid #7c3aed;background:linear-gradient(135deg,#eef2ff,#e0eaff);border-radius:16px;padding:12px 14px}
.goal span{font-size:12px;font-weight:900;color:#3E28B8}
.goal p{margin:5px 0 0;font-size:13.5px;font-weight:700;line-height:1.55;color:var(--ink)}
.hints{margin:12px 0;display:flex;flex-wrap:wrap;gap:6px}
.hint{font:700 11.5px var(--mono);color:#0f5c4a;background:#d5f7ec;border:1px solid #9fe3cb;border-radius:9px;padding:5px 9px}

.editor-card{border:1px solid rgba(255,255,255,.1);border-radius:20px;background:linear-gradient(170deg,#0d1a38,#101f45);overflow:hidden;box-shadow:0 16px 30px rgba(11,36,71,.3)}
.tabs{display:flex;gap:4px;padding:8px 8px 0;background:rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.08)}
.tab{border:0;border-radius:10px 10px 0 0;background:transparent;color:#93a9d6;font:700 11.5px var(--mono);padding:9px 14px;cursor:pointer;transition:background .15s,color .15s}
.tab:hover{background:rgba(255,255,255,.08)}
.tab.active{color:#fff;background:rgba(255,255,255,.14);box-shadow:inset 0 -3px #22d398}
.editor-shell{display:grid;grid-template-columns:42px 1fr;height:330px}
.lines{padding:12px 8px;color:#4b5f8f;background:rgba(0,0,0,.2);text-align:right;font:12px/1.55 var(--mono);white-space:pre;overflow:hidden;border-right:1px solid rgba(255,255,255,.06)}
textarea{resize:none;border:0;outline:0;background:transparent;color:#e7eeff;padding:12px;font:12px/1.55 var(--mono);tab-size:2;white-space:pre;caret-color:#22d398}
textarea::selection{background:rgba(59,130,246,.45)}

.actions,.pager{display:flex;gap:8px;padding:10px;border-top:1px solid rgba(255,255,255,.08)}
.btn{border:0;border-radius:13px;padding:10px 15px;color:#fff;font-family:inherit;font-weight:900;font-size:12px;cursor:pointer;transition:transform .1s,filter .1s,box-shadow .1s}
.btn:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px)}
.btn:active:not(:disabled){transform:translateY(3px)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.ghost{background:rgba(255,255,255,.14);border:2px solid rgba(255,255,255,.18)}
.run{background:linear-gradient(145deg,#4cc3ee,#1d8fd0);box-shadow:0 4px 0 rgba(0,0,0,.28)}
.check,.next{background:linear-gradient(180deg,#22d398,#16a34a);box-shadow:0 4px 0 #0f6b32}
.actions .check{margin-left:auto}
.pager .ghost{background:#fff;color:var(--ink);border-color:var(--line)}

/* ---------- önizleme ---------- */
.preview-panel{padding:14px;display:flex;flex-direction:column;min-height:0;border-radius:24px;background:linear-gradient(170deg,#fff,#eaf1ff);border:1px solid var(--line);box-shadow:0 16px 34px rgba(15,45,92,.14)}
.browser-bar{height:42px;flex:0 0 auto;background:linear-gradient(180deg,#e4ecfb,#d7e3f8);border:1px solid #c3d3ef;border-bottom:0;border-radius:16px 16px 0 0;display:grid;grid-template-columns:70px 1fr 32px;align-items:center;padding:0 12px;color:var(--soft);font-size:11.5px;font-weight:800}
.dots{display:flex;gap:6px}
.dots i{width:10px;height:10px;border-radius:50%;background:#ff6b6b}
.dots i:nth-child(2){background:#ffd166}
.dots i:nth-child(3){background:#45d483}
.browser-bar span{background:#fff;border-radius:9px;padding:6px 12px;text-align:center;border:1px solid #c3d3ef}
.browser-bar button{border:0;background:none;color:var(--ink);font-size:18px;font-weight:900;cursor:pointer}
.preview-panel iframe{width:100%;flex:1;min-height:300px;border:1px solid #c3d3ef;background:#fff;border-radius:0 0 16px 16px;box-shadow:0 8px 20px rgba(15,45,92,.12)}
.result{display:none;margin-top:10px;border-radius:14px;padding:12px 14px;font-size:13px;font-weight:800}
.result.show{display:block}
.result.ok{background:linear-gradient(135deg,#dcfce7,#bbf7d0);color:#14532d;border:1px solid #86efac}
.result.fail{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#7f1d1d;border:1px solid #fca5a5}
.pager{padding:10px 0 0;border:0}
.pager .next{margin-left:auto}

/* ---------- karşılama kutusu ---------- */
.modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;background:rgba(8,18,44,.65);backdrop-filter:blur(5px)}
.modal.hidden{display:none}
.modal-card{width:min(450px,calc(100% - 28px));padding:30px;text-align:center;border:1px solid var(--line);border-radius:26px;background:linear-gradient(170deg,#fff,#f1f6ff);box-shadow:0 30px 80px rgba(0,0,0,.45);animation:pop .35s cubic-bezier(.34,1.4,.4,1)}
@keyframes pop{from{transform:scale(.88) translateY(14px);opacity:0}to{transform:none;opacity:1}}
.modal-icon{font-size:48px;display:inline-block}
.modal h2{margin:12px 0 8px;font-size:22px;font-weight:900;color:var(--ink)}
.modal p{color:var(--soft);font-size:14px;font-weight:700;line-height:1.65}
.modal .btn{font-size:14px;padding:13px 24px}

@media(max-width:980px){
  body{overflow:auto}
  .app{height:auto;min-height:100vh}
  .workspace{grid-template-columns:1fr}
  .sidebar{display:none;position:fixed;z-index:10;top:84px;bottom:12px;left:12px;width:270px;box-shadow:20px 0 50px rgba(0,0,0,.4)}
  .sidebar.open{display:block}
  .preview-panel iframe{height:480px;flex:none}
  .icon-btn{display:block}
  .progress{width:90px}
}
@media(max-width:600px){
  .topbar{gap:8px;padding:0 12px}
  .brand{min-width:0}
  .brand small{display:none}
  .progress-wrap span{display:none}
  .lesson,.preview-panel{padding:12px}
  .editor-shell{height:300px}
  .actions{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}