:root{
  --navy:#1A1033; --navy2:#2D1B69; --purple:#7C5CFC; --purple-btn:#6A46E5;
  --yellow:#FFC800; --cream:#FFFDF7; --ink:#1A1033; --slate:#6B6480;
  --green:#22C55E; --red:#C41A1A; --line:#EFE9DB; --card:#FFFFFF;
  --radius:18px; --shadow:0 2px 14px rgba(26,16,51,.06); --shadow-h:0 10px 28px rgba(26,16,51,.12);
  --maxw:980px;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{background:var(--cream);color:var(--ink);font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.boot{min-height:100vh;display:flex;align-items:center;justify-content:center}
.spinner{width:38px;height:38px;border-radius:50%;border:4px solid #e9e2f6;border-top-color:var(--purple);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--purple-btn);color:#fff;border:none;border-radius:12px;padding:13px 18px;font-family:inherit;font-weight:700;font-size:15px;cursor:pointer;transition:transform .12s, box-shadow .12s, background .12s}
.btn:hover{box-shadow:0 6px 16px rgba(106,70,229,.28)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:default}
.btn.block{width:100%}
.btn.ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn.ghost:hover{box-shadow:var(--shadow)}
.btn.sm{padding:8px 12px;font-size:13px;border-radius:10px}
.btn.yellow{background:var(--yellow);color:var(--navy)}
.btn svg{width:18px;height:18px;flex:none}
/* semua ikon "sudah dibuka" (centang) dibatasi biar gak melar */
.done{display:inline-flex;align-items:center;vertical-align:middle;color:var(--green)}
.done svg{width:16px;height:16px;flex:none}

/* ---------- Auth / login ---------- */
.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 18px;
  background:radial-gradient(circle at 20% 0%,rgba(124,92,252,.10),transparent 42%),radial-gradient(circle at 90% 10%,rgba(255,200,0,.10),transparent 40%),var(--cream)}
.auth .logo-badge{width:66px;height:66px;margin-bottom:14px;filter:drop-shadow(0 8px 18px rgba(45,27,105,.28))}
.auth .wordmark{font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--navy);margin-bottom:4px}
.auth .wordmark b{color:var(--yellow);font-weight:inherit}
.auth .tag{color:var(--slate);font-size:14px;margin-bottom:22px;text-align:center;max-width:340px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;width:100%;max-width:400px}
.card h2{font-size:19px;margin-bottom:4px}
.card .hint{color:var(--slate);font-size:13.5px;margin-bottom:16px}
.field{margin-bottom:14px}
.field span{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:6px}
.inp{width:100%;padding:13px 14px;border:1.6px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;background:#fbfaf5;transition:border .15s,background .15s}
.inp:focus{outline:none;border-color:var(--purple);background:#fff}
.key-inp{font-family:'Courier New',monospace;letter-spacing:1px;text-transform:uppercase}
.msg{font-size:13.5px;padding:10px 12px;border-radius:10px;margin-bottom:14px;display:none}
.msg.err{display:block;background:#fdecec;color:#b42318}
.msg.ok{display:block;background:#e7f7ee;color:#1a7f45}
.auth .foot{margin-top:18px;color:var(--slate);font-size:12.5px;text-align:center;max-width:360px}

/* ---------- Top bar ---------- */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;background:rgba(255,253,247,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:var(--navy);letter-spacing:-.5px}
.topbar .brand img{width:30px;height:30px}
.topbar .brand b{color:var(--yellow);font-weight:inherit}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,#1a0a3e 100%);color:#fff;padding:26px 18px 30px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:-50%;background:radial-gradient(circle at 25% 40%,rgba(124,92,252,.22),transparent 45%),radial-gradient(circle at 80% 30%,rgba(255,200,0,.14),transparent 42%)}
.hero>*{position:relative}
.hero .wrap{max-width:var(--maxw);margin:0 auto}
.hero h1{font-size:22px;font-weight:800;letter-spacing:-.4px}
.hero h1 span{color:var(--yellow)}
.hero p{opacity:.82;font-size:14.5px;margin-top:4px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.badge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:6px 12px;border-radius:99px;font-size:12.5px;font-weight:600}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.section{margin:26px auto}
.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:-20px auto 8px;max-width:var(--maxw);padding:0 18px;position:relative;z-index:5}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 6px;text-align:center;box-shadow:var(--shadow)}
.stat .num{font-size:21px;font-weight:800;color:var(--purple);line-height:1.1}
.stat .lab{font-size:10.5px;color:var(--slate);margin-top:2px;font-weight:500}

.start-card{display:flex;align-items:center;gap:14px;background:linear-gradient(120deg,#fff 60%,#fff8e6);border:1.5px solid #ffe9a3;border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);margin-top:22px}
.start-card .ic{font-size:30px}
.start-card .tx{flex:1;min-width:0}
.start-card h3{font-size:15.5px;margin-bottom:2px}
.start-card p{font-size:13px;color:var(--slate)}

.sec-title{display:flex;align-items:center;gap:10px;margin:0 0 14px;font-size:19px;font-weight:800;letter-spacing:-.3px}
.sec-title .emoji{font-size:22px}
.sec-title .count{margin-left:auto;background:var(--navy);color:var(--yellow);font-size:11px;font-weight:800;padding:4px 10px;border-radius:99px;letter-spacing:.03em}
.sec-intro{color:var(--slate);font-size:13.5px;margin:-8px 0 14px}

/* curriculum grid */
.cur-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
.cur-card{background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border-top:5px solid var(--c);transition:transform .16s,box-shadow .16s}
.cur-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.cur-card h3{font-size:16px;color:var(--c);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.cur-card h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--c)}
.row-link{display:flex;align-items:center;gap:9px;padding:10px 12px;background:#faf9f4;border:1px solid #f0ecdf;border-radius:12px;margin-bottom:8px}
.row-link:last-child{margin-bottom:0}
.row-link .ic{font-size:16px;flex:none}
.row-link .nm{flex:1;min-width:0;font-size:14px;font-weight:600}
.row-link .done{color:var(--green)}
/* tombol "Buka" jelas (primary) di baris kurikulum & bonus */
.mini-open{display:inline-flex;align-items:center;gap:5px;background:var(--purple-btn);color:#fff;border:none;font-size:12px;font-weight:700;padding:7px 12px;border-radius:9px;cursor:pointer;flex:none}
.mini-open:hover{box-shadow:0 4px 10px rgba(106,70,229,.28)}
.mini-open:active{transform:translateY(1px)}
.mini-open svg{width:14px;height:14px;flex:none}
.pdf-btn{display:inline-flex;align-items:center;gap:5px;background:#fff;border:1.4px solid var(--line);color:var(--slate);font-size:11.5px;font-weight:700;padding:6px 9px;border-radius:9px;cursor:pointer}
.pdf-btn:hover{border-color:var(--purple);color:var(--purple)}
.pdf-btn svg{width:13px;height:13px}

/* phase / single grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.item-card{background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);transition:transform .16s,box-shadow .16s;display:flex;flex-direction:column;gap:12px}
.item-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.item-head{display:flex;align-items:center;gap:13px}
.item-ic{width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:26px;flex:none;background:var(--bg,#f3f0fb)}
.item-head h3{font-size:15.5px;display:flex;align-items:center;gap:7px}
.item-head p{font-size:12.5px;color:var(--slate);margin-top:2px}
.item-head .done{color:var(--green)}
.item-actions{display:flex;gap:9px}
.item-actions .btn{flex:1}

/* bonus */
.bonus-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}
.bonus-card{display:flex;align-items:center;gap:11px;background:#fff;border-radius:14px;padding:12px 14px;box-shadow:var(--shadow)}
.bonus-card .bt .done{color:var(--green)}
.bonus-num{width:34px;height:34px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:#fff;background:linear-gradient(135deg,var(--purple),#9b7dfc)}
.bonus-card .bt{flex:1;font-size:13.5px;font-weight:600}
.bonus-card .done{color:var(--green)}

.divider{height:1px;background:linear-gradient(90deg,transparent,#e6dfce,transparent);margin:26px 0}

footer{text-align:center;padding:30px 18px 40px;color:#a49b86;font-size:12.5px}
footer b{color:var(--navy)}

/* ---------- Reader overlay ---------- */
.reader{position:fixed;inset:0;z-index:60;background:var(--cream);display:flex;flex-direction:column}
.reader-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--navy);color:#fff}
.reader-bar .back{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.13);border:none;color:#fff;font-family:inherit;font-weight:700;font-size:14px;padding:9px 14px;border-radius:10px;cursor:pointer}
.reader-bar .back:hover{background:rgba(255,255,255,.22)}
.reader-bar .back svg{width:16px;height:16px;flex:none}
.reader-bar .title{flex:1;min-width:0;font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reader-bar .title b{color:var(--yellow)}
.reader-bar .act{display:flex;gap:8px}
.reader-bar .act .btn{padding:9px 13px;font-size:13px}
.reader-frame{flex:1;border:none;width:100%;background:#fff}
.reader-load{position:absolute;top:56px;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px;color:var(--slate)}
.mark-done{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--navy);border:1.5px solid var(--line);border-radius:10px;padding:9px 13px;font-family:inherit;font-weight:700;font-size:13px;cursor:pointer}
.mark-done.on{background:var(--green);color:#fff;border-color:var(--green)}
.mark-done svg{width:15px;height:15px}

/* ---------- responsive ---------- */
@media(max-width:720px){
  .stats{grid-template-columns:repeat(3,1fr)}
  .hero h1{font-size:20px}
  .sec-title{font-size:17px}
  .reader-bar .act .lbl{display:none}
}
@media(max-width:420px){
  .stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat .num{font-size:18px}
}