:root{
  --bg:#f6f1e7; --surface:#fffdf8; --surface-2:#f3ece0;
  --ink:#2a2118; --ink-soft:#6b5d4b; --line:#e4d9c6;
  --accent:#7c3f00; --accent-soft:#a9651f; --gold:#c8971f;
  --danger:#b3261e; --ok:#2e7d32;
  --shadow:0 4px 18px rgba(60,40,10,.10);
  --radius:16px;
  --arabic:"Noto Naskh Arabic", serif;
  --sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#17130d; --surface:#221b12; --surface-2:#2c2318;
    --ink:#f0e7d8; --ink-soft:#b6a892; --line:#3a2f20;
    --accent:#e0a752; --accent-soft:#c8971f; --gold:#e0b64f;
    --shadow:0 4px 20px rgba(0,0,0,.4);
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--sans); background:var(--bg); color:var(--ink);
  -webkit-tap-highlight-color:transparent; overflow-x:hidden;
}
:lang(ar),[dir="rtl"]{font-family:var(--arabic)}
#app{max-width:720px;margin:0 auto;padding-bottom:120px;min-height:100vh}

/* Header */
.app-header{
  position:sticky;top:0;z-index:20;background:var(--accent);color:#fff;
  padding:14px 16px calc(14px + env(safe-area-inset-top,0)) 16px;
  padding-top:max(14px,env(safe-area-inset-top));
  display:flex;align-items:center;justify-content:space-between;
  box-shadow:0 2px 12px rgba(60,40,10,.25);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{font-size:30px;line-height:1}
.brand-logo-img{width:44px;height:44px;border-radius:10px;object-fit:cover;background:#2b2b2b;display:block}
.about-logo{display:block;width:132px;height:auto;margin:6px auto 16px;border-radius:12px}
.app-header h1{font-size:20px;font-weight:700;letter-spacing:.2px}
.tagline{font-size:12px;opacity:.85;font-weight:500}
.icon-btn{background:rgba(255,255,255,.15);border:none;color:inherit;width:40px;height:40px;
  border-radius:12px;font-size:18px;cursor:pointer;display:grid;place-items:center;transition:.15s}
.icon-btn:active{transform:scale(.92)}

/* Toolbar */
.toolbar{display:flex;gap:10px;padding:14px 16px 8px}
.search-wrap{flex:1;position:relative;display:flex;align-items:center}
.search-ico{position:absolute;left:12px;opacity:.5;font-size:15px;pointer-events:none}
#filterInput{width:100%;padding:11px 12px 11px 36px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);border-radius:12px;font-size:15px;font-family:inherit}
.sort-select{border:1px solid var(--line);background:var(--surface);color:var(--ink);
  border-radius:12px;padding:0 8px;font-size:13px;font-family:inherit;max-width:130px}
#filterInput:focus,.sort-select:focus{outline:2px solid var(--accent-soft);outline-offset:-1px}

/* Chips */
.chips{display:flex;gap:8px;padding:4px 16px 10px;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:.15s}
.chip.is-active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* Library grid */
.library{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;padding:6px 16px}
.book-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;box-shadow:var(--shadow);transition:transform .12s;display:flex;flex-direction:column}
.book-card:active{transform:scale(.97)}
.cover{aspect-ratio:2/3;width:100%;object-fit:cover;background:var(--surface-2);display:block}
.cover-fallback{aspect-ratio:2/3;display:grid;place-items:center;background:linear-gradient(135deg,var(--surface-2),var(--line));
  color:var(--ink-soft);text-align:center;padding:10px;font-weight:600;font-size:13px;line-height:1.3}
.book-meta{padding:9px 10px 11px;flex:1;display:flex;flex-direction:column;gap:2px}
.book-title{font-size:13.5px;font-weight:600;line-height:1.25;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.book-author{font-size:12px;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.badges{display:flex;gap:5px;flex-wrap:wrap;margin-top:5px}
.badge{font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:6px;line-height:1.4}
.badge.tome{background:var(--surface-2);color:var(--accent-soft)}
.badge.fav{background:rgba(200,151,31,.16);color:var(--gold)}
.badge.loan{background:rgba(179,38,30,.13);color:var(--danger)}

/* Empty */
.empty-state{text-align:center;padding:60px 30px;color:var(--ink-soft)}
.empty-emoji{font-size:60px;margin-bottom:8px}
.empty-state h2{color:var(--ink);font-size:19px;margin-bottom:8px}
.empty-state p{font-size:14px;line-height:1.5;margin-bottom:20px}

/* FAB */
.fab-group{position:fixed;right:18px;bottom:calc(20px + env(safe-area-inset-bottom,0));
  display:flex;flex-direction:column;gap:12px;align-items:center;z-index:15}
.fab{border:none;border-radius:50%;cursor:pointer;box-shadow:0 6px 18px rgba(60,40,10,.35);
  display:grid;place-items:center;transition:transform .15s}
.fab:active{transform:scale(.9)}
.fab-primary{width:62px;height:62px;font-size:26px;background:var(--accent);color:#fff}
.fab-secondary{width:48px;height:48px;font-size:19px;background:var(--surface);color:var(--accent);border:1px solid var(--line)}

/* Modal base */
.modal{position:fixed;inset:0;z-index:50;background:rgba(20,14,6,.5);backdrop-filter:blur(2px);
  display:none;align-items:flex-end;justify-content:center}
.modal.open{display:flex;animation:fade .2s}
.modal.center{align-items:center;padding:24px}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet,.scan-sheet{background:var(--bg);width:100%;max-width:720px;max-height:94vh;
  border-radius:20px 20px 0 0;display:flex;flex-direction:column;animation:slideup .25s ease}
@keyframes slideup{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet-header,.scan-header{display:flex;align-items:center;justify-content:space-between;
  padding:16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:2}
.sheet-header strong{font-size:16px}
.sheet-body{padding:16px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.text-btn{background:none;border:none;color:var(--ink-soft);font-size:15px;cursor:pointer;font-family:inherit;padding:4px 2px;min-width:60px;text-align:left}
.text-btn.accent{color:var(--accent);font-weight:700;text-align:right}

/* Forms */
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.field>span{font-size:12.5px;font-weight:600;color:var(--ink-soft)}
.field input,.field textarea{border:1px solid var(--line);background:var(--surface);color:var(--ink);
  border-radius:11px;padding:11px 12px;font-size:15px;font-family:inherit;width:100%;resize:vertical}
.field input:focus,.field textarea:focus{outline:2px solid var(--accent-soft);outline-offset:-1px}
.field-row{display:flex;gap:12px}
.field-row .field{flex:1}
.mini-label{font-size:12px;font-weight:600;color:var(--ink-soft);display:block;margin-bottom:5px}
.cover-row{display:flex;gap:14px;margin-bottom:16px}
.edit-cover{width:90px;height:135px;object-fit:cover;border-radius:10px;background:var(--surface-2);flex-shrink:0;border:1px solid var(--line)}
.cover-actions{flex:1}
.cover-actions input{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:11px;padding:10px;font-size:13px;font-family:inherit}
.toggle{display:flex;align-items:center;gap:10px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:11px;cursor:pointer;font-weight:600}
.toggle input{width:20px;height:20px;accent-color:var(--accent)}

/* Buttons */
.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:12px;padding:13px 20px;
  font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}
.btn-primary:active{opacity:.85}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;
  padding:12px 20px;font-size:15px;cursor:pointer;font-family:inherit;font-weight:500}
.btn-block{display:block;width:100%;text-align:left;background:var(--surface);color:var(--ink);
  border:1px solid var(--line);border-radius:12px;padding:15px;font-size:15px;cursor:pointer;
  font-family:inherit;margin-bottom:10px;font-weight:500}
.btn-block.danger{color:var(--danger);border-color:rgba(179,38,30,.3)}
.btn-block small{display:block;font-size:11.5px;font-weight:400;color:var(--ink-soft);margin-top:2px}
.file-label{cursor:pointer}

/* Scanner */
.scan-view{position:relative;background:#000;aspect-ratio:4/3;overflow:hidden}
#scanVideo{width:100%;height:100%;object-fit:cover}
.scan-frame{position:absolute;inset:18% 12%;border:2px solid rgba(255,255,255,.85);border-radius:12px;
  box-shadow:0 0 0 100vmax rgba(0,0,0,.35)}
.scan-laser{position:absolute;left:0;right:0;top:50%;height:2px;background:var(--gold);box-shadow:0 0 8px var(--gold);animation:scan 2s linear infinite}
@keyframes scan{0%{top:8%}50%{top:92%}100%{top:8%}}
.scan-status{text-align:center;padding:14px;font-size:14px;color:var(--ink-soft);min-height:20px}
.scan-manual{display:flex;gap:8px;padding:0 16px 20px}
.scan-manual input{flex:1;border:1px solid var(--line);background:var(--surface);color:var(--ink);
  border-radius:11px;padding:12px;font-size:15px;font-family:inherit}

.scan-sep{display:flex;align-items:center;gap:10px;padding:0 16px 12px;color:var(--ink-soft);font-size:12px}
.scan-sep::before,.scan-sep::after{content:"";flex:1;height:1px;background:var(--line)}
.title-results{padding:0 16px 16px;max-height:38vh;overflow-y:auto}
.tr-item{display:flex;gap:10px;align-items:center;width:100%;text-align:left;background:var(--surface);
  border:1px solid var(--line);border-radius:11px;padding:8px;margin-bottom:8px;cursor:pointer;font-family:inherit}
.tr-item img{width:38px;height:56px;object-fit:cover;border-radius:6px;background:var(--surface-2);flex-shrink:0}
.tr-noimg{width:38px;height:56px;display:grid;place-items:center;background:var(--surface-2);border-radius:6px;font-size:20px;flex-shrink:0}
.tr-meta{display:flex;flex-direction:column;gap:2px;min-width:0}
.tr-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.25;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tr-sub{font-size:12.5px;color:var(--ink-soft)}
.tr-empty{text-align:center;color:var(--ink-soft);padding:14px;font-size:14px}

/* Details */
.det-hero{display:flex;gap:16px;margin-bottom:18px}
.det-cover{width:110px;height:165px;object-fit:cover;border-radius:12px;background:var(--surface-2);flex-shrink:0;box-shadow:var(--shadow)}
.det-cover-fb{width:110px;height:165px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--surface-2),var(--line));text-align:center;padding:8px;font-weight:600;font-size:13px;flex-shrink:0}
.det-h-info{flex:1;min-width:0}
.det-title{font-size:19px;font-weight:700;line-height:1.25;margin-bottom:6px}
.det-author{font-size:15px;color:var(--ink-soft);margin-bottom:10px}
.det-badges{display:flex;flex-wrap:wrap;gap:6px}
.det-section{margin-bottom:16px}
.det-label{font-size:12px;font-weight:700;color:var(--accent-soft);text-transform:uppercase;letter-spacing:.5px;margin-bottom:5px}
.det-text{font-size:15px;line-height:1.55}
.det-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.det-cell{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:10px 12px}
.det-cell .k{font-size:11px;color:var(--ink-soft);font-weight:600}
.det-cell .v{font-size:14.5px;font-weight:600;margin-top:2px;word-break:break-word}
.loan-box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:16px}
.loan-box h4{font-size:14px;margin-bottom:10px}
.loan-box input{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:10px;padding:10px;font-size:14px;font-family:inherit;margin-bottom:8px}
.det-actions{display:flex;gap:10px;margin-top:8px}
.det-actions button{flex:1}

/* Dialog */
.dialog{background:var(--bg);border-radius:18px;padding:22px;max-width:400px;width:100%;box-shadow:var(--shadow)}
.dialog h3{font-size:18px;margin-bottom:10px}
.dialog p{font-size:14.5px;color:var(--ink-soft);line-height:1.5;margin-bottom:18px}
.dialog-actions{display:flex;flex-direction:column;gap:10px}

/* Toast */
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:12px;font-size:14px;font-weight:500;
  opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:90%;text-align:center;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Recollement */
.header-actions{display:flex;gap:8px}
.reco-empty{text-align:center;padding:36px 20px;color:var(--ink-soft)}
.reco-empty h2{color:var(--ink);font-size:19px;margin:6px 0 8px}
.reco-empty p{font-size:14px;line-height:1.55;margin-bottom:20px}
.reco-zone{font-size:17px;font-weight:700;text-align:center;margin-bottom:4px;color:var(--accent)}
.reco-session{font-size:13px;font-weight:500;text-align:center;margin-bottom:12px;color:var(--ink-soft)}
.reco-sheet-select{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:11px;padding:11px 12px;font-size:15px;font-family:inherit;width:100%}
.reco-part{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:16px}
.part-title{display:block;font-size:14px;font-weight:700;color:var(--accent);margin-bottom:10px}
.part-title small{font-weight:400;color:var(--ink-soft)}
.reco-part .field:last-child{margin-bottom:0}
.reco-start{background:var(--accent);color:#fff;border-color:var(--accent);text-align:center;font-weight:700;font-size:16px}
.reco-progress{height:10px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-bottom:14px}
.reco-bar{height:100%;background:linear-gradient(90deg,var(--ok),#57b95b);border-radius:999px;transition:width .3s}
.reco-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}
.rs{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 4px;text-align:center}
.rs b{display:block;font-size:22px;line-height:1}
.rs span{font-size:11px;color:var(--ink-soft)}
.rs.ok b{color:var(--ok)} .rs.warn b{color:var(--accent-soft)} .rs.bad b{color:var(--danger)}
.reco-scan-btn{width:100%;font-size:16px;padding:15px;margin-bottom:16px}
.reco-tabs{display:flex;gap:8px;margin-bottom:10px}
.rt{flex:1;border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);border-radius:10px;
  padding:8px 4px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit}
.rt.is-active{background:var(--accent);color:#fff;border-color:var(--accent)}
.reco-list{max-height:44vh;overflow-y:auto;margin-bottom:16px}
.reco-row{display:flex;gap:10px;align-items:baseline;padding:9px 10px;border:1px solid var(--line);
  border-radius:10px;margin-bottom:6px;background:var(--surface)}
.reco-row.present{border-left:4px solid var(--ok)}
.reco-row.absent{border-left:4px solid var(--accent-soft)}
.reco-row.unknown{border-left:4px solid var(--danger)}
.rr-code{font-family:ui-monospace,monospace;font-size:12.5px;font-weight:700;color:var(--accent-soft);flex-shrink:0}
.rr-title{font-size:13.5px;color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.reco-actions{border-top:1px solid var(--line);padding-top:14px}
.reco-flash{position:absolute;inset:0;opacity:0;transition:opacity .12s;pointer-events:none}
.reco-flash.show{opacity:.55}
.reco-flash.ok{background:var(--ok)} .reco-flash.dup{background:#8a7300} .reco-flash.bad{background:var(--danger)}
.reco-last{text-align:center;padding:12px 16px;font-size:14.5px;font-weight:600;min-height:22px;color:var(--ink)}
.reco-last.ok{color:var(--ok)} .reco-last.dup{color:var(--accent-soft)} .reco-last.bad{color:var(--danger)}
.reco-live{display:flex;justify-content:center;gap:8px;padding:0 16px 12px;flex-wrap:wrap}
.rl{font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-soft)}
.rl.ok{background:rgba(46,125,50,.15);color:var(--ok)}
.rl.bad{background:rgba(179,38,30,.15);color:var(--danger)}

.param-stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:16px;text-align:center;font-size:14px}
.param-stat strong{font-size:22px;color:var(--accent);display:block}
.about{margin-top:20px;font-size:12.5px;color:var(--ink-soft);line-height:1.6}
.hidden{display:none!important}
.spinner{width:20px;height:20px;border:2.5px solid var(--line);border-top-color:var(--accent);border-radius:50%;display:inline-block;animation:spin .7s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}