:root{--ink:#1b1b3a;--paper:#eef2ff;--grid:#d6ddf8;--coral:#ff5d73;--sun:#ffd23f;--mint:#2ed8a7;--vio:#7a5cff;--sky:#2f80ff;--r:16px}
*{box-sizing:border-box}
@view-transition{navigation:auto}
[hidden]{display:none!important}
body{margin:0;min-height:100vh;font:500 17px/1.55 'Bricolage Grotesque',system-ui,sans-serif;color:var(--ink);
  background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0/28px 28px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0/28px 28px,var(--paper)}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:18px 18px 70px}
h1,h2,h3{font-weight:800;letter-spacing:-.025em;line-height:1.05;margin:0 0 .5em}
h1{font-size:clamp(2.3rem,6.5vw,4.2rem)} h2{font-size:1.5rem} h3{font-size:1.15rem;line-height:1.2;margin:0}
.lh{font-size:clamp(1.9rem,4.5vw,2.9rem);margin:.3em 0 .6em}
.lead{font-size:1.2rem;max-width:34em}
small{font-size:.88rem;opacity:.8}
code,pre,textarea.ed,.big,.url{font-family:'JetBrains Mono',ui-monospace,monospace}
:focus-visible{outline:3px solid var(--vio);outline-offset:3px}
.hide{display:none}
.top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 0 18px}
.sp{flex:1}
.logo{display:flex;gap:8px;align-items:center;font-weight:800;font-size:1.35rem;letter-spacing:-.03em;text-decoration:none}
.logo b{background:var(--ink);color:var(--sun);border-radius:10px;padding:2px 9px;font:700 1.05rem 'JetBrains Mono',monospace}
.card{background:#fff;border:2.5px solid var(--ink);border-radius:var(--r);box-shadow:5px 5px 0 var(--ink);padding:20px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:2px solid var(--ink);border-radius:99px;padding:2px 12px;font-weight:700;font-size:.92rem}
.xpchip{background:var(--sun)}
.btn{font:700 1rem 'Bricolage Grotesque',sans-serif;display:inline-flex;gap:8px;align-items:center;justify-content:center;background:var(--coral);color:#fff;border:2.5px solid var(--ink);border-radius:99px;padding:10px 24px;box-shadow:4px 4px 0 var(--ink);cursor:pointer;text-decoration:none;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--ink)}
.btn:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink)}
.btn.alt{background:#fff;color:var(--ink)} .btn.go{background:var(--mint);color:var(--ink)}
.btn.sm{padding:3px 14px;font-size:.9rem;box-shadow:3px 3px 0 var(--ink)}
.btn:disabled{opacity:.6;cursor:wait}
label{display:block;font-weight:700;margin:12px 0 4px}
input,select{width:100%;font:inherit;padding:10px 14px;border:2.5px solid var(--ink);border-radius:12px;background:#fff;color:var(--ink)}
.tabs{display:flex;gap:8px;margin-bottom:6px}
.tabs button{font:700 1rem 'Bricolage Grotesque',sans-serif;border:2.5px solid var(--ink);border-radius:99px;background:#fff;padding:4px 18px;cursor:pointer}
.tabs button.on{background:var(--sun)}
/* landing */
.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:start;padding:20px 0}
.demo{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.ide{background:var(--ink);color:#e8ecff;border:2.5px solid var(--ink);border-radius:var(--r);box-shadow:5px 5px 0 var(--coral)}
.ide pre{margin:0;padding:16px;min-height:150px;font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.frame{background:#fff;border:2.5px solid var(--ink);border-radius:var(--r);box-shadow:5px 5px 0 var(--ink);overflow:hidden}
.url{display:flex;gap:6px;align-items:center;padding:8px 12px;background:#e8ecff;border-bottom:2.5px solid var(--ink);font-size:13px}
.url i{width:11px;height:11px;border-radius:50%;background:var(--coral);border:1.5px solid var(--ink)}
.url i:nth-child(2){background:var(--sun)} .url i:nth-child(3){background:var(--mint);margin-right:6px}
.frame iframe{display:block;width:100%;height:230px;border:0;background:#fff}
/* dashboard */
.me{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.xpwrap{flex:1;min-width:220px}
.xp{height:18px;border:2.5px solid var(--ink);border-radius:99px;background:#fff;overflow:hidden;margin-bottom:4px}
.xp i{display:block;height:100%;background:repeating-linear-gradient(45deg,var(--mint) 0 10px,#25c297 10px 20px);transition:width 1s cubic-bezier(.2,1.2,.3,1)}
.xp.mini{height:10px;width:110px;display:inline-block;margin:0 8px 0 0;vertical-align:middle}
.layout{display:grid;grid-template-columns:1fr 310px;gap:30px;margin-top:28px;align-items:start}
.map{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:22px;position:relative}
.map::before{content:'';position:absolute;left:50%;top:0;bottom:0;border-left:3px dashed var(--ink);opacity:.25}
.map li{position:relative;width:46%}
.map li:nth-child(even){align-self:flex-end}
.node{--c:var(--sky);display:flex;gap:14px;align-items:center;padding:14px 16px;background:#fff;border:2.5px solid var(--ink);border-radius:var(--r);box-shadow:5px 5px 0 var(--c);text-decoration:none;animation:pop .5s cubic-bezier(.2,1.5,.4,1) both calc(var(--i)*70ms)}
a.node{transition:transform .12s}
a.node:hover{transform:translate(-2px,-2px)}
.node[data-k=HTML]{--c:#ff7a2f}.node[data-k=CSS]{--c:#2f80ff}.node[data-k=Biner]{--c:#7a5cff}
.node[data-k=JavaScript]{--c:#f0b400}.node[data-k=PHP]{--c:#5e6bd8}.node[data-k=Proyek]{--c:#ff5d73}
.node .ico{flex:none;width:52px;height:52px;border-radius:14px;background:var(--c);border:2.5px solid var(--ink);display:grid;place-items:center;font-size:1.6rem}
.node .nt{flex:1;min-width:0}.node .k{display:block}
.node.locked{filter:grayscale(1);opacity:.55}
.node.now{animation:pop .5s cubic-bezier(.2,1.5,.4,1) both calc(var(--i)*70ms),pulse 1.8s ease-in-out 1.2s infinite}
.lb{list-style:none;margin:0;padding:0}
.lb li{display:flex;gap:10px;align-items:center;padding:6px 0;border-bottom:2px dashed var(--grid)}
.lb .nm{flex:1;min-width:0}
.win{background:var(--mint)}
/* level */
.back{font-weight:700}
.lvl{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:28px;align-items:start;margin-top:10px}
.materi p,.materi ul{margin:.5em 0}.materi code,.task code{background:#eef2ff;border:1.5px solid var(--ink);border-radius:6px;padding:0 6px;font-size:.88em}
.task{background:var(--sun)}
#task{font-size:1.1rem;font-weight:700}
#task.flip{animation:flip .6s}
.ed{display:block;width:100%;min-height:240px;resize:vertical;background:var(--ink);color:#e8ecff;font-size:15px;line-height:1.6;border:2.5px solid var(--ink);border-radius:12px;padding:14px;tab-size:2;box-shadow:5px 5px 0 var(--coral)}
.acts{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.big{font-size:1.9rem;font-weight:700;text-align:center;letter-spacing:.08em}
.shake{animation:shake .45s}
/* tabel guru */
.scroll{overflow-x:auto}.tbl{width:100%;border-collapse:collapse;min-width:720px}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:2px solid var(--grid);vertical-align:middle}
/* notifikasi */
#toasts{position:fixed;top:16px;right:16px;display:flex;flex-direction:column;gap:10px;z-index:50;width:min(360px,calc(100vw - 32px))}
.toast{display:flex;gap:12px;align-items:flex-start;background:#fff;border:2.5px solid var(--ink);border-left-width:10px;border-radius:14px;box-shadow:4px 4px 0 var(--ink);padding:12px 14px;font-weight:600;animation:slide .45s cubic-bezier(.2,1.4,.4,1)}
.toast.ok{border-left-color:var(--mint)}.toast.err{border-left-color:var(--coral)}.toast.info{border-left-color:var(--sun)}.toast.xp{border-left-color:var(--vio)}
.toast i{font-style:normal}
.toast.out{transition:.35s;opacity:0;transform:translateX(30px)}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:60}
@keyframes pop{from{opacity:0;transform:scale(.82) translateY(16px)}}
@keyframes pulse{50%{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--c)}}
@keyframes slide{from{opacity:0;transform:translateX(60px) scale(.92)}}
@keyframes flip{from{transform:rotateX(90deg);opacity:0}}
@keyframes shake{20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
@media(max-width:860px){.hero,.layout,.lvl,.demo{grid-template-columns:1fr}.map li{width:100%}.map::before{display:none}#toasts{top:auto;bottom:16px}}
@media(prefers-reduced-motion:reduce){*,::before,::after{animation:none!important;transition:none!important}}