:root{
  --ink:#122019;
  --muted:#51655a;
  --accent:#006636;
  --accent:oklch(46% 0.13 156);
  --accent-hover:#004d27;
  --accent-hover:oklch(36% 0.12 156);
  --accent-deep:#003d20;
  --gold:#c9a227;
  --line:rgba(18,32,25,.14);
  --bg:#f6f4ec;
  --surface:#fffef9;
  --soft:#e7f1e9;
  --error:#8a1f1f;
  --ok:#006636;
  --radius:16px;
  --bayang:0 10px 30px rgba(18,32,25,.10);
  --ease:cubic-bezier(.16,1,.3,1);
  --font-tampil:"Fraunces",Georgia,"Times New Roman",serif;
  --font-tubuh:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-tubuh);
  font-size:16px;line-height:1.65;
}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:var(--accent-deep);border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px;padding-top:20px;padding-bottom:16px}
.brand{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-tampil);font-size:26px;font-weight:700;color:#fff;letter-spacing:.2px}
.brand:hover{text-decoration:none;color:#fff}
.main-nav{margin-left:auto}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 22px}
.main-nav a{color:#fff;font-size:15px;padding:4px 0;border-bottom:2px solid transparent}
.main-nav a:hover{color:#fff;text-decoration:none}
.main-nav a[aria-current="page"]{color:#fff;border-bottom-color:#fff;font-weight:600}

/* Main */
main{padding:36px 0 56px}
h1,h2,h3{font-family:var(--font-tampil);color:var(--ink);line-height:1.12;margin:0 0 14px;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.6vw,2.9rem)}
h2{font-size:clamp(1.4rem,2.8vw,1.75rem);margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
h2:first-of-type{border-top:none;padding-top:0;margin-top:0}
h3{font-size:18px}
p{margin:0 0 14px}
.lede{font-size:18px;color:var(--muted);max-width:680px}
.tagline{font-family:var(--font-tampil);font-style:italic;color:var(--accent);font-size:18px;margin-bottom:22px}
.rule{border:none;border-top:1px solid var(--line);margin:28px 0}

.columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0;border:1px solid var(--line);background:var(--surface);margin:26px 0}
.col{padding:22px 24px;border-left:1px solid var(--line)}
.col:first-child{border-left:none}
@media(max-width:640px){.col{border-left:none;border-top:1px solid var(--line)}.col:first-child{border-top:none}}
.col h3{margin-bottom:8px}
.col p{color:var(--muted);font-size:15px;margin-bottom:0}

/* Empty state */
.empty-state{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--accent);padding:40px 32px;text-align:left;max-width:680px}
.empty-state h2{border:none;padding:0;margin:0 0 12px}
.empty-state p{color:var(--muted);margin-bottom:0}

/* Stats */
.stats{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);background:var(--surface);margin:22px 0}
.stat{padding:16px 24px;border-left:1px solid var(--line);min-width:160px}
.stat:first-child{border-left:none}
.stat .num{font-family:Georgia,serif;font-size:28px;font-weight:700;color:var(--accent);display:block;line-height:1.1}
.stat .label{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}

/* Form */
form.guest{background:var(--surface);border:1px solid var(--line);padding:26px 28px;max-width:640px}
.field{margin-bottom:18px}
label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
label .opt{font-weight:400;color:var(--muted)}
input[type="text"],textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:2px;
  font:inherit;font-size:15px;background:#fff;color:var(--ink);
}
input[type="text"]:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
button{
  background:linear-gradient(var(--accent-hover),var(--accent-hover)) no-repeat var(--accent);
  background-size:0% 100%;color:#fff;border:none;border-radius:8px;
  padding:11px 26px;font:inherit;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-size .35s var(--ease);
}
button:hover{background-size:100% 100%}
button:disabled{opacity:.55;cursor:default}
.notice{border:1px solid var(--line);background:var(--soft);padding:12px 16px;font-size:14px;color:var(--muted);margin:18px 0;max-width:640px}
.notice.error{border-color:var(--error);color:var(--error);background:#fdf3f3}
.notice.ok{border-color:var(--ok);color:var(--ok);background:#f2f8f4}
.form-msg{font-size:14px;margin-top:12px;min-height:1.2em}

/* Guest list */
.guest-list{list-style:none;margin:0;padding:0;max-width:640px}
.guest-list li{background:var(--surface);border:1px solid var(--line);border-top:none;padding:14px 18px}
.guest-list li:first-child{border-top:1px solid var(--line)}
.guest-name{font-weight:600}
.guest-meta{font-size:13px;color:var(--muted)}
.guest-msg{margin-top:4px;font-size:15px}

/* Footer */
.site-footer{border-top:none;background:#004d27;padding:22px 0 30px;font-size:14px;color:#bfe3cd}
.site-footer a{color:#fff}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between}

.brand-logo{width:auto;height:76px;object-fit:contain;flex:none}
.brand-teks{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:18px;font-weight:700;line-height:1.25;letter-spacing:.3px;color:#fff}
@media(max-width:640px){.brand-logo{height:56px}.brand-teks{font-size:14px}}
.hero{background:linear-gradient(135deg,#003d20,#006636 55%,#00843f);border-radius:var(--radius);padding:clamp(24px,4vw,36px) clamp(20px,4vw,32px) 26px;margin:6px 0 8px;color:#fff}
.galeri{position:relative;margin:0 0 16px;border-radius:10px;overflow:hidden}
.galeri-viewport{position:relative;aspect-ratio:16/10;background:#004d27}
.galeri-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s ease}
.galeri-slide.aktif{opacity:1}
.galeri-tombol{position:absolute;top:50%;transform:translateY(-50%);z-index:2;background:rgba(0,77,39,.65);color:#fff;border:none;border-radius:50%;width:38px;height:38px;font-size:22px;line-height:1;padding:0 0 2px;cursor:pointer}
.galeri-tombol:hover{background:rgba(0,77,39,.9)}
.galeri-sebelumnya{left:10px}
.galeri-berikutnya{right:10px}
.galeri-titik{position:absolute;left:0;right:0;bottom:10px;z-index:2;display:flex;justify-content:center;gap:6px}
.galeri-titik button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.55);padding:0;cursor:pointer}
.galeri-titik button.aktif{background:#fff}
.hero h1{color:#fff;font-size:29px;margin:0 0 8px}
.hero .tagline{color:rgba(255,255,255,.92);margin:0;font-size:17px}

/* Beranda: sorotan katalog */
.shelf-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 16px;margin-top:30px;border-bottom:2px solid var(--accent);padding-bottom:8px}
.shelf-head h2{margin:0}
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:26px 20px;margin:20px 0 6px}
.book-card h3{font-size:15px;line-height:1.4;margin:10px 0 2px}
.book-card .penulis{color:var(--muted);font-size:13px;margin:0}
.book-card .aksi{margin-top:8px;font-size:14px}
.cover-ph{aspect-ratio:3/4;background:linear-gradient(160deg,var(--soft),#cfe0d4);border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted)}
.cover-ph img{width:110px;height:auto;object-fit:contain;opacity:.9}
.cover-ph span{font-size:11px;letter-spacing:.16em;text-transform:uppercase}
.shelf-note{color:var(--muted)}

/* Katalog v5: kartu buku & seksi rak */
.book-card{transition:transform .25s var(--ease)}
.book-card:hover{transform:translateY(-2px)}
.book-card .cover{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;border:1px solid var(--line);border-radius:12px;background:var(--soft);box-shadow:var(--bayang)}
.book-card .ringkasan{font-size:14px;color:var(--muted);margin:6px 0 0}
.book-card .ringkasan{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.book-card h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.label-edisi{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:600;color:var(--error);border:1px solid var(--error);border-radius:2px;padding:3px 8px;background:#fdf3f3}
.btn{display:inline-block;background:linear-gradient(var(--accent-hover),var(--accent-hover)) no-repeat var(--accent);background-size:0% 100%;transition:background-size .35s var(--ease);color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;margin-right:8px}
.btn:hover{background-size:100% 100%;text-decoration:none}
.btn.sekunder{background:var(--surface);color:var(--accent);border:1px solid var(--accent)}
.btn.sekunder:hover{background:var(--soft)}
.rak-section{margin:38px 0 14px}
.rak-section h2{color:var(--accent)}
.rak-section:first-child{margin-top:8px}

/* Gerbang identitas (assets/gerbang.js): modal nama panggilan + asal kota */
.gerbang-overlay{
  position:fixed;inset:0;z-index:60;background:rgba(20,28,38,.55);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.gerbang-overlay[hidden]{display:none}
.gerbang-kartu{
  background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--accent);
  box-shadow:0 18px 50px rgba(20,28,38,.35);max-width:420px;width:100%;
  padding:26px 28px;max-height:calc(100vh - 40px);overflow:auto;
}
.gerbang-judul{font-size:21px;margin:0 0 8px}
.gerbang-teks{color:var(--muted);font-size:14.5px;margin:0 0 18px}
.gerbang-kartu .field{margin-bottom:14px}
.gerbang-error{color:var(--error);font-size:13.5px;margin:0 0 12px}
.gerbang-aksi{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.gerbang-aksi button{margin:0}
.gerbang-batal{
  background:var(--surface);color:var(--accent);border:1px solid var(--accent);
}
.gerbang-batal:hover{background:var(--soft)}

/* Halaman baca (baca.html) */
.kepala-buku{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:8px}
.kepala-buku .sampul-kecil{
  width:110px;aspect-ratio:3/4;object-fit:cover;display:block;flex:none;
  border:1px solid var(--line);border-radius:4px;background:var(--soft);
}
.kepala-buku .info-buku{flex:1 1 260px;min-width:0}
.kepala-buku h1{margin-bottom:4px}
.kepala-buku .penulis{font-size:17px;margin:0 0 2px}
.kepala-buku .kategori-buku{color:var(--muted);font-size:14px;margin:0 0 14px}
.status-baca{color:var(--muted);font-size:15px;margin:14px 0}
.pembaca-pdf{width:100%;height:82vh;border:1px solid var(--line);background:var(--surface);display:block}
#area-baca{height:78vh;border:1px solid var(--line);background:var(--surface);overflow:hidden}
#area-baca iframe{border:none}
.kontrol-baca{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:14px 0}
.kontrol-baca[hidden]{display:none}
.kontrol-baca .posisi-baca{color:var(--muted);font-size:14px;margin-right:auto}
.tautan-tab-baru{font-size:14px;margin-top:10px}

/* Perapihan kartu katalog v13: tombol sejajar di dasar kartu */
.book-card{display:flex;flex-direction:column;height:100%}
.book-card .aksi{margin-top:auto;padding-top:10px}
.book-card .label-edisi{margin-top:auto}

/* --- Kolom cari katalog --- */
.cari-bungkus { margin: 4px 0 22px; }
.cari-input {
  width: 100%; max-width: 560px; box-sizing: border-box;
  padding: 11px 14px; font-size: 1rem; font-family: inherit;
  color: inherit; background: #fff;
  border: 1px solid #c9c2b2; border-radius: 8px;
}
.cari-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.cari-info { margin: 8px 0 0; font-size: .9rem; opacity: .75; }

/* --- Sistem baru v22 --- */
.wrap-lebar{max-width:1180px;margin:0 auto;padding:0 20px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.tampil{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .galeri-slide{transition:none}
}