:root{
  --bg:#eef4ff;--bg2:#d9e8ff;--surface:#fff;--text:#0f1f4d;--muted:#55678f;
  --accent:#1f5fe0;--accent-2:#00a8f0;--ink-on:#fff;--line:#cfdcf5;--chip:#e3eeff;
  --shadow:0 8px 28px rgba(31,95,224,.12);
  --b1:#0a1b7a;--b2:#1b3fc8;--b3:#1f5fe0;--b4:#0b7ed6;--b5:#2a4fd6;--b6:#1469c9;--b7:#3366e0;
  --display:"Bricolage Grotesque","Plus Jakarta Sans",system-ui,sans-serif;
}
[data-theme=dark]{
  --bg:#0e0c28;--bg2:#1b1745;--surface:#1a1642;--text:#efeaff;--muted:#aaa3d8;
  --accent:#9b7bff;--accent-2:#c4b0ff;--ink-on:#fff;--line:#332e6e;--chip:#2a2561;
  --shadow:0 8px 28px rgba(0,0,0,.4);
  --b1:#3a1f8f;--b2:#5a35c8;--b3:#7b52e8;--b4:#6a49d6;--b5:#4d2fb5;--b6:#8059e0;--b7:#5f3fc9;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Plus Jakarta Sans",system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;transition:background .25s,color .25s}
main{flex:1}
a{color:inherit;text-decoration:none}
[hidden]{display:none!important}
svg{width:1.2em;height:1.2em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wrap{width:min(1100px,100% - 2rem);margin-inline:auto}
.narrow{width:min(680px,100% - 2rem)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:3px solid var(--accent-2);outline-offset:2px;border-radius:8px}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em}

/* panel brand (logo: hanya diskalakan, tidak dipotong) */
.brand{position:relative;overflow:hidden;padding:1.25rem 0;background:linear-gradient(180deg,var(--bg2),var(--bg))}
.brand::before,.brand::after{content:"";position:absolute;pointer-events:none;background:var(--accent);opacity:.09}
.brand::before{right:-4%;top:-40%;width:34%;height:190%;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.brand::after{right:22%;top:30%;width:16%;height:120%;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);opacity:.06}
.logo{position:relative;display:inline-block;background:#fff;border-radius:22px;padding:.2rem 1.4rem;line-height:0;box-shadow:var(--shadow);border:1px solid var(--line)}
.logo img{display:block;height:clamp(104px,17vw,150px);width:auto;max-width:100%;object-fit:contain}

/* bar navigasi sticky */
.bar{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar-in{display:flex;align-items:center;gap:.75rem;padding:.55rem 0}
.nav{display:flex;gap:.25rem;overflow-x:auto}
.nav a{padding:.5rem 1rem;border-radius:999px;font-weight:600;font-size:.95rem;color:var(--muted);white-space:nowrap}
.nav a:hover{background:var(--chip);color:var(--text)}
.nav a.on{background:var(--accent);color:var(--ink-on)}
.ctrl{display:flex;gap:.5rem;margin-left:auto}
.icon-btn{height:42px;min-width:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer;display:grid;place-items:center;font-family:inherit;font-weight:700;font-size:.85rem;transition:transform .15s,border-color .15s}
.icon-btn:hover{border-color:var(--accent);transform:translateY(-1px)}
.icon-btn.txt{padding:0 .8rem}
.moon{display:none}[data-theme=dark] .moon{display:block}[data-theme=dark] .sun{display:none}

/* hero */
.hero{padding:clamp(2rem,6vw,4.5rem) 0 2rem}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.hero h1{font-size:clamp(2.3rem,6vw,4.1rem);line-height:1.02;font-weight:800;margin:0 0 1.1rem;max-width:14ch}
.lead{font-size:clamp(1.02rem,2.2vw,1.22rem);color:var(--muted);max-width:46ch;margin:0}
.lead.sm{font-size:1rem;margin-bottom:1.5rem}
.honey{position:relative;width:360px;height:350px;justify-self:center}
.hex{position:absolute;width:110px;height:127px;display:grid;place-items:center;color:#fff;font:800 1.25rem var(--display);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);background:linear-gradient(145deg,var(--c) 55%,color-mix(in srgb,var(--c) 70%,#000));animation:pop .5s var(--d) both cubic-bezier(.2,1.4,.4,1)}
.hex::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.28) 0 38%,transparent 38%)}
@keyframes pop{from{opacity:0;transform:scale(.6)}}

/* kartu */
.choose{padding-bottom:4rem}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:1.5rem;box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
a.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card h3{margin:.3rem 0;font-size:1.15rem;line-height:1.3}
.card p{margin:0;color:var(--muted)}
.big{display:flex;flex-direction:column;gap:.3rem;padding:2rem;position:relative;overflow:hidden}
.big::after{content:"";position:absolute;right:-30px;top:-30px;width:140px;height:160px;background:var(--accent);opacity:.08;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.big h3{font-size:1.6rem}
.ico{width:58px;height:58px;border-radius:16px;background:var(--accent);color:var(--ink-on);display:grid;place-items:center;margin-bottom:.4rem}
.big.alt .ico{background:var(--accent-2);color:#0b1240}
.ico svg{width:28px;height:28px}
.go{margin-top:1rem;display:inline-flex;align-items:center;gap:.25rem;font-weight:700;color:var(--accent)}
[data-theme=dark] .go{color:var(--accent-2)}
.how-t{font-size:1.2rem;margin:3rem 0 1rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.steps li{display:flex;gap:.8rem;align-items:flex-start;padding:1rem;border-radius:16px;background:var(--chip)}
.steps b{flex:none;width:32px;height:32px;border-radius:10px;background:var(--accent);color:var(--ink-on);display:grid;place-items:center;font-family:var(--display)}
.steps strong{display:block;line-height:1.3}.steps span{color:var(--muted);font-size:.9rem}

/* rak buku (daftar subtes) */
.page{padding:2rem 0 4rem}
.page h1{font-size:clamp(1.7rem,4vw,2.6rem);margin:.5rem 0 .75rem;line-height:1.15}
.back{display:inline-flex;align-items:center;gap:.15rem;color:var(--muted);font-weight:600}
.back:hover{color:var(--accent)}
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.book{display:flex;align-items:stretch;padding:0;overflow:hidden;border-radius:14px 20px 20px 14px}
.spine{position:relative;width:84px;flex:none;display:grid;place-items:center;color:#fff;background:var(--c);font:800 1.3rem var(--display);overflow:hidden}
.spine::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.26) 0 45%,transparent 45%)}
.spine::after{content:"";position:absolute;inset:0;background:linear-gradient(315deg,rgba(0,0,0,.28) 0 28%,transparent 28%)}
.spine b{position:relative;z-index:1}
.bk{flex:1;padding:1.1rem 1rem}
.bk h3{margin:0 0 .2rem;font-size:1.05rem}
.arrow{align-self:center;padding-right:1rem;color:var(--muted);transition:transform .2s,color .2s}
.book:hover .arrow{transform:translateX(4px);color:var(--accent)}
.badge{display:inline-block;padding:.2rem .75rem;border-radius:10px;background:var(--c,var(--accent));color:#fff;font:800 .85rem var(--display)}
.badge.lg{font-size:1rem;vertical-align:middle;margin-right:.3rem}

/* halaman dokumen */
.search{display:flex;align-items:center;gap:.6rem;max-width:420px;margin:.5rem 0 .5rem;padding:.2rem .9rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--muted)}
.search input{flex:1;border:0;background:none;color:var(--text);font:inherit;padding:.6rem 0;outline:0}
.search:focus-within{border-color:var(--accent)}
.cat{font-size:1.1rem;margin:2rem 0 .9rem;padding-bottom:.4rem;border-bottom:1px solid var(--line)}
.doc{display:flex;gap:1rem;align-items:flex-start}
.pdf{flex:none;width:52px;height:64px;border-radius:8px 14px 8px 8px;background:var(--chip);color:var(--accent);display:grid;place-items:center;align-content:center;gap:2px;border:1px solid var(--line)}
.pdf svg{width:24px;height:24px}.pdf small{font:800 .62rem var(--display)}
[data-theme=dark] .pdf{color:var(--accent-2)}
.doc-b{display:flex;flex-direction:column;gap:.3rem;flex:1;min-width:0}
.doc-b h3{margin:0;overflow-wrap:anywhere}
.btns{display:flex;gap:.6rem;padding-top:.8rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.05rem;border-radius:12px;background:var(--accent);color:var(--ink-on);font:700 .9rem "Plus Jakarta Sans",sans-serif;border:1px solid var(--accent);cursor:pointer;transition:filter .15s,transform .15s}
.btn:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.ghost{background:transparent;color:var(--accent)}
[data-theme=dark] .btn.ghost{color:var(--accent-2);border-color:var(--accent-2)}
.btn.danger{color:#c0392b;border-color:#c0392b}
.muted{color:var(--muted);font-size:.88rem}
.notice{padding:1rem 1.2rem;border-radius:14px;background:var(--chip);margin:1.5rem 0}
.notice.warn{background:#fdecea;color:#8a1f11}.notice.ok{background:#e5f7ec;color:#1c6b3a}
[data-theme=dark] .notice.warn{background:#4a1f2a;color:#ffd5d5}[data-theme=dark] .notice.ok{background:#1d4030;color:#c9f3da}

/* admin */
.form{margin:1.2rem 0}.form h2{margin:0 0 1rem;font-size:1.2rem}
.form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.9rem}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:.3rem;padding:.65rem .8rem;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit}
.row{display:flex;justify-content:space-between;gap:1rem;align-items:center;padding:.8rem 0;border-bottom:1px solid var(--line)}
.linkbtn{background:none;border:0;color:var(--accent);font:inherit;font-weight:700;cursor:pointer;padding:0}

/* footer */
.ftr{border-top:1px solid var(--line);background:var(--surface);padding:2rem 0;text-align:center}
.ftr p{margin:.25rem 0}
.ig{display:inline-flex;align-items:center;gap:.35rem;font-weight:700;color:var(--accent);margin-left:.3rem}
[data-theme=dark] .ig{color:var(--accent-2)}
.ig:hover{text-decoration:underline}

@media(max-width:820px){
  .hero-in{grid-template-columns:1fr}
  .honey{transform:scale(.8);margin:-35px 0 -45px}
  .steps{grid-template-columns:1fr}
}
@media(max-width:640px){
  .nav{min-width:0}.nav a{padding:.45rem .65rem;font-size:.85rem}
  .icon-btn{height:38px;min-width:38px}.ctrl{gap:.35rem}
  .grid2{grid-template-columns:1fr}
  .shelf{grid-template-columns:1fr}
  .logo{padding:.1rem .9rem}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---- fitur tambahan v2 ---- */
.hero .search.gs{margin-top:1.6rem;max-width:460px}
#gres:empty{display:none}
.gres-list{margin:0 0 2rem}
.new{display:inline-block;margin-left:.5rem;padding:.05rem .5rem;border-radius:999px;background:var(--accent-2);color:#0b1240;font:800 .68rem "Plus Jakarta Sans",sans-serif;letter-spacing:.03em;vertical-align:middle;text-transform:uppercase}
.tag{align-self:flex-start;font-size:.75rem;font-weight:700;color:var(--accent);background:var(--chip);padding:.1rem .6rem;border-radius:999px}
[data-theme=dark] .tag{color:var(--accent-2)}
.btn.sm{padding:.55rem .8rem;font-size:.85rem}
.report{align-self:flex-start;margin-top:.5rem;font-size:.78rem;color:var(--muted);text-decoration:underline;text-underline-offset:2px}
.report:hover{color:var(--accent)}
#toast{position:fixed;left:50%;bottom:1.5rem;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--text);color:var(--bg);padding:.6rem 1.1rem;border-radius:12px;font-weight:600;font-size:.9rem;transition:.25s;z-index:50}
#toast.on{opacity:1;transform:translate(-50%,0)}
.hint{font-weight:400;color:var(--muted);font-size:.82rem;margin-top:.3rem}
.row-btns{display:flex;gap:.5rem;flex:none}
.btn.sm.edit{color:var(--accent)}

/* ================= v3: gerak, hitung mundur, favorit, filter ================= */
@keyframes rise{from{opacity:0;transform:translateY(14px)}}
@keyframes enter{from{opacity:0;transform:translateY(8px)}}
@keyframes rip{to{transform:scale(1);opacity:0}}
@keyframes starpop{0%{transform:scale(.5) rotate(-25deg)}60%{transform:scale(1.35) rotate(8deg)}100%{transform:scale(1)}}
@keyframes bob{50%{translate:0 -5px}}
@keyframes tick{from{transform:translateY(-30%);opacity:.15}}

#app.enter>*{animation:enter .4s backwards cubic-bezier(.2,.8,.2,1)}
.grid2>.card,.shelf>.card,.steps>li{animation:rise .5s calc(var(--i,0)*55ms) backwards cubic-bezier(.2,.8,.2,1)}

/* efek tekan dan riak */
.btn,.icon-btn,.nav a,a.card,.chip,.fav,.ig{position:relative;overflow:hidden}
.ripple{position:absolute;border-radius:50%;background:currentColor;opacity:.22;transform:scale(0);animation:rip .65s ease-out forwards;pointer-events:none}
.btn:not(.ghost) .ripple{background:#fff;opacity:.45}
.btn:active,.icon-btn:active,.chip:active,.ig:active,.fav:active{transform:scale(.94)}
a.card:active{transform:scale(.985)}
.nav a:active{transform:scale(.95)}
.btn:not(.ghost)::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.38) 50%,transparent 70%);transform:translateX(-120%);transition:transform .6s;pointer-events:none}
.btn:not(.ghost):hover::before{transform:translateX(120%)}
.btn.ghost:hover{background:var(--chip)}
.big:hover .ico{transform:rotate(-6deg) scale(1.08)}
.ico{transition:transform .25s cubic-bezier(.2,1.4,.4,1)}
.big:hover .go svg{transform:translateX(5px)}
.go svg{transition:transform .2s}
.book:hover .spine b{transform:scale(1.15)}
.spine b{transition:transform .25s cubic-bezier(.2,1.4,.4,1)}
.logo{transition:transform .3s cubic-bezier(.2,1.4,.4,1)}
.logo:hover{transform:rotate(-1deg) scale(1.02)}

/* heksagon jadi tautan */
.hex{text-decoration:none;cursor:pointer;animation:pop .5s var(--d) backwards cubic-bezier(.2,1.4,.4,1),bob 6s calc(var(--d) + .6s) ease-in-out infinite;transition:transform .2s cubic-bezier(.2,1.4,.4,1),filter .2s}
.hex:hover{transform:scale(1.12);filter:brightness(1.15);z-index:2}
.hex:active{transform:scale(.95)}

/* nav */
.nav a{display:inline-flex;align-items:center;gap:.35rem}
.cnt{min-width:1.3rem;height:1.3rem;padding:0 .35rem;border-radius:999px;background:var(--accent-2);color:#0b1240;font:800 .7rem/1.3rem "Plus Jakarta Sans",sans-serif;text-align:center}
.cnt:empty{display:none}

/* pengumuman */
.banner{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;font-weight:600;font-size:.92rem}
[data-theme=dark] .banner{color:#14103a}
.banner-in{display:flex;gap:1rem;justify-content:space-between;align-items:center;padding:.55rem 0}
.banner button{background:rgba(255,255,255,.22);border:0;color:inherit;width:28px;height:28px;border-radius:50%;font-size:1.1rem;cursor:pointer;flex:none}

/* hitung mundur */
.count{position:relative;overflow:hidden;border-radius:24px;padding:1.6rem 1.8rem;color:#fff;background:linear-gradient(135deg,#0a1b7a,#1f5fe0 62%,#00a8f0);box-shadow:var(--shadow);display:grid;grid-template-columns:1fr auto;gap:1.5rem;align-items:center;margin:0 0 2rem}
[data-theme=dark] .count{background:linear-gradient(135deg,#25106b,#5a35c8 60%,#8b6cf0)}
.count::before{content:"";position:absolute;right:-60px;top:-70px;width:260px;height:300px;background:#fff;opacity:.07;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.count>*{position:relative}
.count h2{margin:0 0 .2rem;font-size:clamp(1.3rem,3vw,1.8rem);color:#fff}
.when{margin:0;opacity:.92}
.chip-est{display:inline-block;margin:.6rem .6rem 0 0;padding:.15rem .75rem;border-radius:999px;background:rgba(255,255,255,.2);font-size:.78rem;font-weight:700}
.count-link{font-size:.82rem;text-decoration:underline;text-underline-offset:2px;opacity:.9}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(72px,1fr));gap:.65rem}
.tile{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:16px;padding:.75rem .4rem;text-align:center;backdrop-filter:blur(4px);transition:transform .2s}
.tile:hover{transform:translateY(-3px)}
.tile b{display:block;font:800 clamp(1.8rem,4.5vw,2.7rem)/1 var(--display);font-variant-numeric:tabular-nums}
.tile b.tick{animation:tick .35s}
.tile span{font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;opacity:.88}
.cd-done{margin:0;font-weight:700;font-size:1.1rem;max-width:22ch}
@media(max-width:820px){.count{grid-template-columns:1fr;padding:1.3rem}}

/* kartu dokumen: favorit */
.doc{position:relative}
.doc-b{padding-right:2.6rem}
.fav{position:absolute;top:.8rem;right:.8rem;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--muted);display:grid;place-items:center;cursor:pointer;transition:color .2s,border-color .2s,transform .15s}
.fav:hover{color:#f5a524;border-color:#f5a524}
.fav[aria-pressed=true]{color:#f5a524;border-color:#f5a524}
.fav[aria-pressed=true] svg{fill:currentColor;animation:starpop .45s}

/* filter */
.sub-d{margin:0 0 1.2rem;color:var(--muted);max-width:62ch}
.toolbar{display:flex;gap:.8rem;flex-wrap:wrap;align-items:center}
.toolbar .search{flex:1;min-width:220px;margin:0}
.sortbox select{padding:.7rem .9rem;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;cursor:pointer}
.chips{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0 .3rem}
.chip{padding:.42rem .95rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:600 .85rem "Plus Jakarta Sans",sans-serif;cursor:pointer;transition:background .2s,color .2s,transform .15s,border-color .2s}
.chip:hover{border-color:var(--accent)}
.chip[aria-pressed=true]{background:var(--accent);color:var(--ink-on);border-color:var(--accent)}

/* tentang + faq */
.narrow-p{max-width:760px}
.req{display:flex;gap:1.2rem;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:1rem}
.req h3{margin:0 0 .2rem}
.faq details{border:1px solid var(--line);background:var(--surface);border-radius:16px;margin-bottom:.7rem;padding:.2rem 1.1rem;transition:border-color .2s}
.faq details[open]{border-color:var(--accent)}
.faq summary{cursor:pointer;font-weight:700;padding:.85rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--accent);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 1rem;color:var(--muted);animation:rise .3s}

/* footer */
.support{font-weight:600}
.igs{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap;margin:.7rem 0 1rem}
.ig{margin-left:0;padding:.5rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--bg);transition:transform .2s cubic-bezier(.2,1.4,.4,1),border-color .2s,box-shadow .2s}
.ig:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow);text-decoration:none}
#installBtn{margin:.2rem 0 1rem}

/* kontrol bahasa/tema dipindah ke panel brand supaya menu mobile muat */
.brand .wrap{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}
.brand .ctrl{margin-left:0;position:relative;z-index:1}
.bar-in .nav{width:100%}
@media(max-width:640px){.nav{gap:0}.nav a{padding:.45rem .55rem;font-size:.8rem}.cnt{min-width:1.1rem;height:1.1rem;line-height:1.1rem;font-size:.62rem}}