/* ==========================================================
   Perpustakaan Digital — stylesheet
   Tanpa build step. Edit langsung, lalu upload.
   ========================================================== */
:root{
  --paper:#f4f6f3; --surface:#fff; --ink:#18221f; --muted:#5a6661; --faint:#8a948f; --line:#dce2dd;
  --accent:#1f5246; --accent-dark:#163d34; --accent-soft:#e2eee9; --focus:#c28a2c;
  --danger:#a32d2d; --danger-dark:#862323; --danger-soft:#fbeeee;
  --ok:#1d6b46; --ok-soft:#e7f5ee; --info:#27506e; --info-soft:#e8f0f6;
  --serif:"Literata",Georgia,"Times New Roman",serif;
  --sans:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.6;font-size:16px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.25}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.main-content{padding-top:32px;padding-bottom:64px;min-height:65vh}

/* ---------- Header & footer ---------- */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:8px 20px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:18px;color:var(--ink);letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-mark{width:28px;height:28px;flex:none}
.brand span{color:var(--accent)}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a{padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--muted)}
.site-nav a:hover{background:var(--paper);color:var(--ink);text-decoration:none}
.site-nav a[aria-current=page]{background:var(--accent-soft);color:var(--accent-dark)}
.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:24px 0;color:var(--muted);font-size:14px}
.footer-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-inner nav{display:flex;gap:16px}
.footer-inner a{color:var(--muted)}

/* ---------- Buttons & forms ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 18px;border:1px solid transparent;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-size:15px;font-weight:600;line-height:1.2}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:#c5cdc7}
.btn-secondary:hover{background:var(--paper)}
.btn-danger{background:var(--danger)}
.btn-danger:hover{background:var(--danger-dark)}
.btn-sm{min-height:34px;padding:6px 12px;font-size:13px}
.search-bar{display:flex;gap:8px;margin:0 0 20px;max-width:640px}
.search-bar input{flex:1;min-width:0;min-height:48px;padding:10px 14px;border:1px solid #c5cdc7;border-radius:8px;background:var(--surface)}
.search-bar input::placeholder{color:var(--faint)}
.search-bar .btn{min-height:48px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.form-row input[type=text],.form-row input[type=password],.form-row input[type=file],.form-row select,.form-row textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid #c5cdc7;border-radius:8px;background:var(--surface)}
.form-row textarea{min-height:130px;resize:vertical}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus,.search-bar input:focus{outline:3px solid var(--focus);outline-offset:0;border-color:var(--ink)}
.form-hint{font-size:13px;color:var(--muted);margin-top:6px}
.form-actions,.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.actions form{margin:0}
.checkbox-row{display:flex;align-items:center;gap:10px}
.checkbox-row input{width:20px;height:20px;accent-color:var(--accent)}
.checkbox-row label{margin:0;font-weight:500}

/* ---------- Alerts, badges, chips ---------- */
.alert{padding:12px 16px;border-radius:8px;margin:16px 0;font-size:15px;border:1px solid transparent}
.alert-error{background:var(--danger-soft);color:#7d2020;border-color:#efc4c4}
.alert-success{background:var(--ok-soft);color:#14513a;border-color:#b6dfca}
.alert-info{background:var(--info-soft);color:var(--info);border-color:#c3d6e4}
.empty{padding:40px 20px;text-align:center;background:var(--surface);border:1px dashed #c5cdc7;border-radius:12px}
.empty h2{font-size:18px;margin:0 0 6px}
.empty p{margin:0 0 16px;color:var(--muted)}
.empty p:last-child{margin-bottom:0}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--accent-soft);color:var(--accent-dark)}
.badge-muted{background:#eceeec;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-size:14px;font-weight:500}
.chip:hover{border-color:var(--accent);text-decoration:none}
.chip .n{color:var(--faint);font-size:13px}
.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}
.chip.active .n{color:#cfe3db}

/* ---------- Home & section headings ---------- */
.hero{padding:24px 0 12px;max-width:720px}
.hero h1{font-size:clamp(28px,5vw,42px);margin:0 0 10px}
.hero .lead{color:var(--muted);font-size:17px;margin:0 0 24px}
.section-title{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:40px 0 20px}
.section-title:first-child{margin-top:0}
.section-title h2{font-size:22px;margin:0}
.section-title a{font-size:14px;font-weight:600}
.page-head{margin-bottom:20px}
.page-head h1{font-size:clamp(24px,4vw,32px);margin:0 0 4px}
.page-head p{margin:0;color:var(--muted)}
.result-info{color:var(--muted);font-size:14px;margin:0 0 20px}

/* ---------- Book cover (dibuat otomatis bila belum ada sampul) ---------- */
.cover{position:relative;aspect-ratio:2/3;border-radius:3px 6px 6px 3px;overflow:hidden;background:var(--line);container-type:inline-size;box-shadow:0 1px 2px rgba(24,34,31,.25),0 8px 16px -8px rgba(24,34,31,.35)}
.cover::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.24) 0,rgba(255,255,255,.14) 3%,rgba(0,0,0,0) 8%)}
.cover-img{width:100%;height:100%;object-fit:cover}
.gen-cover{height:100%;display:flex;flex-direction:column;justify-content:space-between;gap:12px;padding:14% 10% 12% 16%;background:var(--cbg);color:var(--cfg)}
.gc-title{font-family:var(--serif);font-weight:600;line-height:1.2;font-size:1rem;font-size:11.5cqw;display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.gc-author{font-size:.75rem;font-size:6.5cqw;opacity:.85;padding-top:8px;border-top:1px solid currentColor;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.c0{--cbg:#1f5246;--cfg:#e8f1ec}.c1{--cbg:#2b3a67;--cfg:#e6e9f5}.c2{--cbg:#7a2e3a;--cfg:#f6e6e8}.c3{--cbg:#a85a17;--cfg:#fdf0e1}
.c4{--cbg:#363b39;--cfg:#eef0ef}.c5{--cbg:#2a6a75;--cfg:#e4f2f4}.c6{--cbg:#5b3f78;--cfg:#efe8f6}.c7{--cbg:#7f6f22;--cfg:#f7f3dc}

/* ---------- Book grid ---------- */
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:28px 20px}
.book-card{display:flex;flex-direction:column;gap:12px;color:inherit}
.book-card:hover{text-decoration:none}
.book-card:hover h3{text-decoration:underline;text-underline-offset:3px}
.book-card:hover .cover{box-shadow:0 1px 2px rgba(24,34,31,.3),0 12px 20px -8px rgba(24,34,31,.45)}
.book-info h3{font-size:16px;margin:0 0 2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.book-info .author{margin:0;font-size:14px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.book-info .cat{display:inline-block;margin-top:6px;font-size:12px;font-weight:600;color:var(--accent)}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.cat-card{display:flex;flex-direction:column;gap:2px;padding:20px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:4px 10px 10px 4px;color:var(--ink)}
.cat-card:hover{border-color:var(--accent);text-decoration:none}
.cat-card strong{font-family:var(--serif);font-size:18px;font-weight:600}
.cat-card span{color:var(--muted);font-size:14px}

/* ---------- Pagination ---------- */
.pagination{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px;margin:40px 0 0}
.pagination a,.pagination span{min-width:40px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;border:1px solid var(--line);background:var(--surface);border-radius:8px;font-size:14px;font-weight:500;color:var(--ink)}
.pagination a:hover{border-color:var(--accent);text-decoration:none}
.pagination .current{background:var(--accent);border-color:var(--accent);color:#fff}
.pagination .gap{border:0;background:none;min-width:auto;padding:6px 2px;color:var(--faint)}
.pagination .disabled{color:var(--faint);background:transparent}

/* ---------- Detail ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--muted);margin:0 0 24px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.detail-wrap{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start}
.detail-body h1{font-size:clamp(26px,4vw,36px);margin:0 0 4px}
.detail-author{font-size:18px;color:var(--muted);margin:0 0 24px}
.detail-desc{max-width:65ch;color:#2c3733;margin:0 0 28px;line-height:1.7}
.detail-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;max-width:560px;margin:0}
.facts div{background:var(--surface);padding:12px 16px}
.facts dt{font-size:13px;color:var(--muted)}
.facts dd{margin:0;font-weight:600}

/* ---------- Reader ---------- */
.reader-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.reader-bar h1{font-size:18px;margin:0}
.reader-bar .author{color:var(--muted);font-size:14px;margin:0}
.pdf-viewer{display:block;width:100%;height:calc(100vh - 210px);height:calc(100dvh - 210px);min-height:480px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.reader-note{font-size:14px;color:var(--muted);margin:12px 0 0}

/* ---------- Login / installer ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:32px}
.login-card .brand{margin-bottom:20px}
.login-card h1{font-size:24px;margin:0 0 6px}
.login-card .sub{color:var(--muted);margin:0 0 24px}

/* ---------- Admin ---------- */
.admin-layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.admin-sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;background:#14201c;color:#c9d3ce;padding:20px 0}
.admin-sidebar .brand{color:#fff;padding:0 20px 20px;border-bottom:1px solid #26352f;margin-bottom:12px;font-size:16px}
.admin-sidebar nav{display:flex;flex-direction:column;flex:1}
.admin-sidebar nav a{padding:11px 20px;color:#a9b6b0;font-size:15px;border-left:3px solid transparent}
.admin-sidebar nav a:hover{background:#1c2c26;color:#fff;text-decoration:none}
.admin-sidebar nav a.active{background:#1c2c26;color:#fff;border-left-color:var(--focus)}
.admin-sidebar nav .spacer{flex:1}
.admin-user{padding:14px 20px 0;border-top:1px solid #26352f;font-size:13px;color:#8fa098}
.admin-main{padding:32px 36px 56px;min-width:0}
.admin-header{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.admin-header h1{font-size:26px;margin:0}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:28px}
.stat-card,.card,.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:12px}
.stat-card{padding:18px 20px}
.stat-card .label{font-size:14px;color:var(--muted)}
.stat-card .value{font-family:var(--serif);font-size:30px;font-weight:600;line-height:1.3}
.card{padding:24px;margin-bottom:24px}
.card h2{font-size:18px;margin:0 0 16px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 16px;text-align:left;font-size:14px;border-bottom:1px solid #eef0ee;vertical-align:middle}
th{background:#f8faf8;color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:0}
.row-book{display:flex;align-items:center;gap:12px;min-width:220px}
.row-book .thumb{width:36px;flex:none}
.row-book .thumb .cover{border-radius:2px 3px 3px 2px;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.row-book .thumb .gc-title,.row-book .thumb .gc-author{display:none}
.row-book strong{font-weight:600}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.form-grid .card{margin-bottom:0}
.cover-preview{width:150px;margin:0 0 16px}
.cover-preview:empty{display:none}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .detail-wrap{grid-template-columns:1fr;gap:24px}
  .detail-cover{width:190px}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:800px){
  .admin-layout{display:block}
  .admin-sidebar{position:static;height:auto;padding:12px 0 0}
  .admin-sidebar .brand{padding:0 16px 12px;margin-bottom:0;border-bottom:0}
  .admin-sidebar nav{flex-direction:row;overflow-x:auto;border-bottom:1px solid #26352f}
  .admin-sidebar nav a{white-space:nowrap;padding:10px 14px;border-left:0;border-bottom:3px solid transparent}
  .admin-sidebar nav a.active{border-bottom-color:var(--focus)}
  .admin-sidebar nav .spacer,.admin-user{display:none}
  .admin-main{padding:20px 16px 48px}
}
@media(max-width:560px){
  .container{padding:0 16px}
  .main-content{padding-top:24px}
  .header-inner{padding-top:8px;padding-bottom:8px}
  .site-nav{width:100%;margin:0 -12px}
  .book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 14px}
  .chips{flex-wrap:nowrap;overflow-x:auto;margin-right:-16px;padding-right:16px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none}
  .search-bar .btn{padding:10px 14px}
  .detail-actions .btn{flex:1 1 140px}
  .pdf-viewer{min-height:420px}
  .card{padding:18px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* Tabel admin: badge, ukuran, dan tombol aksi tidak terpotong */
.badge{white-space:nowrap}
table td:nth-child(n+3){white-space:nowrap}
td .actions{flex-wrap:nowrap}