/* CodeQuest Kids — shared styles (responsive, playful) */
:root{
  --purple:#6C4AB6; --purple-d:#4b2f96; --teal:#00B3A6; --coral:#FF6B6B;
  --amber:#FFB020; --green:#2FBF71; --ink:#2A2440; --muted:#7c749a;
  --paper:#F5F2FD; --card:#ffffff; --lock:#D9D3EA; --dark:#221a3d;
  --line:#ECE7F8;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:'Baloo 2','Trebuchet MS',system-ui,-apple-system,sans-serif;
  line-height:1.55;
}
a{color:var(--purple); text-decoration:none;}
.wrap{max-width:820px; margin:0 auto; padding:0 18px;}

/* top bar */
.topbar{position:sticky; top:0; z-index:30; background:rgba(245,242,253,.92);
  backdrop-filter:blur(8px); border-bottom:2px solid var(--line);}
.topbar .wrap{display:flex; align-items:center; justify-content:space-between; height:60px;}
.brand{display:flex; align-items:center; gap:9px; font-weight:800; font-size:18px; color:var(--ink);}
.brand .logo{width:34px; height:34px; border-radius:10px; background:var(--teal); display:flex;
  align-items:center; justify-content:center; font-size:19px; box-shadow:0 3px 0 #009488;}
.tb-right{display:flex; align-items:center; gap:8px;}
.pill{display:inline-flex; align-items:center; gap:5px; background:var(--card); border-radius:14px;
  padding:6px 11px; font-weight:800; font-size:14px; color:var(--ink); box-shadow:0 3px 0 rgba(76,47,150,.12);}
.pill.xp i{color:var(--amber);}
.pill a, a.pill{color:var(--purple);}

/* hero / headings */
.hero{padding:26px 0 6px;}
.eyebrow{font-weight:800; font-size:12px; letter-spacing:.6px; text-transform:uppercase; color:var(--teal);}
h1{font-size:30px; margin:6px 0 6px; color:var(--ink); line-height:1.15;}
h1 .emoji{margin-right:6px;}
.lead{font-size:16px; color:#5c5578; font-weight:600; margin:0 0 8px;}
h2.sec{font-size:22px; margin:26px 0 12px; display:flex; align-items:center; gap:9px;}
h2.sec .dot{width:12px; height:12px; border-radius:50%; background:var(--amber);}

/* cards */
.card{background:var(--card); border-radius:18px; padding:20px; box-shadow:0 6px 0 rgba(76,47,150,.08);
  border:1px solid var(--line); margin-bottom:16px;}
.card p{font-size:15.5px; color:#4c4666; font-weight:500;}
.tip{background:#F0FBF8; border-left:6px solid var(--teal); border-radius:0 12px 12px 0;
  padding:12px 15px; font-size:14.5px; font-weight:600; color:#0b6a5f; margin:12px 0;}

/* code */
.code{background:var(--dark); border-radius:14px; padding:14px 16px; font-family:'Fira Code',Menlo,monospace;
  font-size:14.5px; color:#9be7c4; line-height:1.7; white-space:pre-wrap; overflow-x:auto;}
.code .fn{color:#ffd479;} .code .str{color:#a5d8ff;} .code .num{color:#ff9e64;} .code .cm{color:#8b83a6;}

/* run example / playground */
.runrow{display:flex; flex-wrap:wrap; gap:8px; margin:12px 0;}
.btn{font-family:inherit; font-weight:800; border:none; cursor:pointer; border-radius:13px;}
.btn.run{background:var(--green); color:#fff; font-size:15px; padding:11px 18px; box-shadow:0 5px 0 #1f9c58;
  display:inline-flex; align-items:center; gap:6px;}
.btn.run:disabled{background:#c9c2e0; box-shadow:0 5px 0 #b3aad0; cursor:default;}
.btn.ghost{background:#EDE7FB; color:var(--purple); font-size:13px; padding:11px 14px;}
.editor{width:100%; min-height:130px; background:var(--dark); color:#9be7c4; border:none; border-radius:14px;
  padding:14px; font-family:'Fira Code',Menlo,monospace; font-size:14px; line-height:1.6; resize:vertical;}
.editor:focus{outline:3px solid rgba(108,74,182,.4);}
.outlabel{font-size:11px; font-weight:800; color:var(--muted); text-transform:uppercase; letter-spacing:.4px; margin:10px 2px 6px;}
.output{background:#12101f; color:#e7f6ec; border-radius:14px; padding:13px 15px; font-family:'Fira Code',Menlo,monospace;
  font-size:13.5px; white-space:pre-wrap; min-height:46px; line-height:1.55;}
.output .err{color:#ff9b9b;}
.status{display:inline-flex; align-items:center; gap:6px; font-size:12px; font-weight:700; color:var(--muted);
  background:#EDE7FB; padding:5px 11px; border-radius:11px; margin-bottom:6px;}
.examples{display:flex; flex-wrap:wrap; gap:7px; margin-top:12px;}
.examples button{background:#EDE7FB; color:var(--purple); border:none; font-family:inherit; font-weight:700;
  font-size:12.5px; padding:8px 12px; border-radius:11px; cursor:pointer;}

/* practice */
.pbar-wrap{height:12px; background:var(--card); border:1px solid var(--line); border-radius:10px; overflow:hidden; margin:2px 0 16px;}
.pbar-wrap > div{height:100%; width:0; background:var(--green); border-radius:10px; transition:width .35s;}
.qcard{background:var(--card); border:1px solid var(--line); border-radius:16px; padding:16px 16px 14px;
  box-shadow:0 5px 0 rgba(76,47,150,.06); margin-bottom:14px; transition:border-color .2s;}
.qcard.solved{border-color:var(--green); box-shadow:0 5px 0 rgba(47,191,113,.25);}
.qtag{display:inline-block; background:#EDE7FB; color:var(--purple); font-weight:800; font-size:10.5px;
  padding:4px 10px; border-radius:10px; text-transform:uppercase; letter-spacing:.4px;}
.qp{font-size:15.5px; font-weight:800; color:var(--ink); margin:9px 2px 12px; line-height:1.4;}
.hint-btn{background:none; border:1.5px solid var(--amber); color:#7a5a00; font-family:inherit;
  font-weight:700; font-size:12.5px; padding:5px 12px; border-radius:10px; cursor:pointer;
  margin-bottom:10px; display:inline-flex; align-items:center; gap:5px;}
.hint-btn:hover{background:#FFF8E7;}
.hint-box{background:#FFF8E7; border-left:4px solid var(--amber); border-radius:0 10px 10px 0;
  padding:9px 13px; font-size:13.5px; font-weight:600; color:#7a5a00; margin-bottom:10px;}
.answer{min-height:52px; background:#faf8ff; border:3px dashed #cfc6ec; border-radius:14px; padding:9px;
  display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:6px;}
.answer.empty::before{content:'Tap blocks below to build the code'; color:var(--muted); font-size:13px; font-weight:600;}
.bank{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;}
.block{background:var(--teal); color:#fff; border:none; font-family:'Fira Code',Menlo,monospace; font-weight:700;
  font-size:15px; padding:9px 13px; border-radius:11px; box-shadow:0 4px 0 #009488; cursor:pointer; transition:transform .1s;}
.block:active{transform:scale(.93);}
.block.used{opacity:.25; pointer-events:none;}
.block.inans{background:var(--purple); box-shadow:0 4px 0 var(--purple-d);}
.blankcode{background:var(--dark); border-radius:14px; padding:14px; font-family:'Fira Code',Menlo,monospace;
  font-size:15px; color:#9be7c4; margin-bottom:12px;}
.slot{display:inline-block; min-width:60px; padding:2px 10px; border-radius:8px; border:2px dashed #6b6390;
  color:#ffd479; text-align:center;}
.slot.filled{border-style:solid; border-color:var(--amber); background:rgba(255,176,32,.18);}
.opts{display:flex; flex-wrap:wrap; gap:9px; margin-bottom:12px;}
.opt{background:#faf8ff; border:2px solid #e6dffa; color:var(--ink); font-family:'Fira Code',Menlo,monospace;
  font-weight:700; font-size:15px; padding:9px 13px; border-radius:12px; box-shadow:0 4px 0 rgba(76,47,150,.1); cursor:pointer;}
.opt.pick{background:var(--purple); color:#fff; border-color:var(--purple);}
.buglines{background:var(--dark); border-radius:14px; padding:8px; margin-bottom:12px;}
.bugline{display:flex; gap:10px; align-items:center; font-family:'Fira Code',Menlo,monospace; font-size:14px;
  color:#c9c4e0; padding:9px 12px; border-radius:10px; cursor:pointer; border:2px solid transparent;}
.bugline .ln{color:#6b6390; width:16px; text-align:right; flex:none;}
.bugline:hover{background:rgba(255,255,255,.05);}
.bugline.pick{border-color:var(--amber); background:rgba(255,176,32,.14);}
.bugline.showbug{border-color:var(--coral); background:rgba(255,107,107,.16);}
.check{background:var(--green); color:#fff; font-size:14px; padding:10px 18px; box-shadow:0 4px 0 #1f9c58; margin-top:4px;}
.check:disabled{background:#c9c2e0; box-shadow:0 4px 0 #b3aad0; cursor:default;}
.check.ok{background:var(--purple); box-shadow:0 4px 0 var(--purple-d);}
.check.shake{animation:shake .4s;}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.fb{font-size:13px; font-weight:700; color:var(--green); margin-top:8px; min-height:16px;}
.fb.bad{color:var(--coral);}
.report-btn{background:none; border:none; color:var(--muted); font-size:12px; font-weight:700;
  cursor:pointer; padding:6px 0 0; display:block; opacity:.55;}
.report-btn:hover{opacity:1; color:var(--coral);}

/* practice progress header — sticky below topbar */
.progress-header{
  position:sticky; top:60px; z-index:20;
  display:flex; align-items:center; gap:10px;
  background:rgba(245,242,253,.95); backdrop-filter:blur(6px);
  padding:8px 0 10px; margin:0 0 16px;
  border-bottom:1px solid var(--line);
}
.progress-header .pbar-wrap{margin:0; flex:1;}
.q-counter{font-size:13px; font-weight:800; color:var(--purple); white-space:nowrap; min-width:72px; text-align:right;}

/* done banner */
.done-banner{background:var(--purple); color:#fff; border-radius:18px; padding:20px; text-align:center;
  box-shadow:0 6px 0 var(--purple-d); margin:6px 0 16px;}
.done-banner h3{margin:0 0 6px; font-size:22px;}
.done-banner p{margin:0 0 14px; opacity:.9; font-weight:600; font-size:14px;}
.done-banner .next{display:inline-block; background:#fff; color:var(--purple); font-weight:800; font-size:15px;
  padding:12px 26px; border-radius:14px; box-shadow:0 5px 0 rgba(0,0,0,.15);}
.hide{display:none !important;}

/* breadcrumb */
.breadcrumb{display:flex; align-items:center; flex-wrap:wrap; gap:5px; padding:10px 0 2px;
  font-size:12px; font-weight:700; color:var(--muted);}
.breadcrumb a{color:var(--purple); text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}
.bc-sep{color:var(--lock); font-size:11px;}
.bc-current{color:var(--ink);}

/* bottom concept nav */
.cnav{display:flex; justify-content:space-between; gap:10px; margin:22px 0 40px;}
.cnav a{flex:1; text-align:center; background:var(--card); border:1px solid var(--line); border-radius:14px;
  padding:13px; font-weight:800; font-size:14px; box-shadow:0 4px 0 rgba(76,47,150,.08);}
.cnav a.disabled{opacity:.4; pointer-events:none;}
.cnav a .sub{display:block; font-size:11px; color:var(--muted); font-weight:700;}
@media(max-width:480px){
  .cnav{gap:6px;}
  .cnav a{padding:10px 6px; font-size:12px; border-radius:11px;}
  .cnav a .sub{font-size:10px;}
}

/* hub grid */
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:16px; margin:12px 0 40px;}
.ctile{background:var(--card); border:1px solid var(--line); border-radius:18px; padding:18px; display:block;
  box-shadow:0 6px 0 rgba(76,47,150,.08); position:relative; transition:transform .12s;}
.ctile:active{transform:scale(.98);}
.ctile.done{border-color:var(--green);}
.ctile .cemoji{font-size:34px;}
.ctile h3{margin:8px 0 4px; font-size:18px; color:var(--ink);}
.ctile p{margin:0; font-size:13.5px; color:var(--muted); font-weight:600;}
.ctile .num{position:absolute; top:14px; right:16px; font-weight:800; color:var(--lock); font-size:15px;}
.ctile .badge{position:absolute; top:12px; right:14px; width:26px; height:26px; border-radius:50%;
  background:var(--green); color:#fff; display:flex; align-items:center; justify-content:center; font-size:15px;}

/* confetti + toast */
.confetti{position:fixed; width:10px; height:14px; top:-20px; border-radius:2px; z-index:60; animation:fall linear forwards;}
@keyframes fall{to{transform:translateY(105vh) rotate(560deg); opacity:.9}}
.toast{position:fixed; left:50%; bottom:26px; transform:translateX(-50%) translateY(20px); background:var(--dark);
  color:#fff; font-weight:700; font-size:14px; padding:12px 18px; border-radius:14px; opacity:0; transition:all .25s;
  z-index:70; pointer-events:none;}

.footer{border-top:2px solid var(--line); padding:22px 0 40px; color:var(--muted); font-size:13px; font-weight:600;}

@media (max-width:520px){
  h1{font-size:25px;} .card{padding:16px;} .topbar .wrap{height:56px;}
  .brand span.full{display:none;}
}