:root{--bg:#e9f2ff;--card:#f9fbff;--text:#172033;--muted:#5f6f8f;--line:#cddcf5;--brand:#1f4f95;--brand2:#4d86d9;--danger:#b42318;--warn:#b54708;--ok:#067647;--shadow:0 10px 30px rgba(31,79,149,.08);--soft-blue:#edf5ff;--room:#1f4f95;--cabinet:#4f86cf;--shelf:#8eb8ee}
[data-theme="dark"]{--bg:#111522;--card:#191f2f;--text:#f4f6fb;--muted:#aab3c5;--line:#2b3449;--brand:#7aa0ff;--brand2:#9fb7ff;--shadow:none;--soft-blue:#172033;--room:#294f8c;--cabinet:#406ba8;--shelf:#5e88c1}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#edf4ff 0%,#e6f0ff 100%);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:var(--brand);text-decoration:none}.wrap{max-width:1280px;margin:auto;padding:18px}.topbar{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,#f9fbff 0%,#eef5ff 100%);border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(6px)}.topbar .inner{max-width:1280px;margin:auto;padding:12px 18px;display:flex;gap:18px;align-items:center}.brand{font-weight:800;font-size:20px;color:var(--brand);white-space:nowrap}.nav{display:flex;gap:6px;flex-wrap:wrap}.nav a{padding:8px 10px;border-radius:9px;color:var(--text)}.nav a:hover,.nav a.active{background:var(--bg);color:var(--brand)}.spacer{flex:1}.btn,button,input[type=submit]{border:0;border-radius:10px;background:var(--brand);color:#fff;padding:10px 14px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.btn.secondary{background:var(--bg);color:var(--text);border:1px solid var(--line)}.btn.danger{background:var(--danger)}.btn.warn{background:var(--warn)}.btn.success{background:#16a34a;color:#fff}.btn.small{padding:7px 9px;font-size:13px}.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.metric{font-size:30px;font-weight:800;margin-top:4px}.muted{color:var(--muted)}h1{font-size:28px;margin:8px 0 18px}h2{font-size:20px;margin:0 0 14px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}.field{display:flex;flex-direction:column;gap:6px;min-width:150px;flex:1}.field label{font-weight:700}input,select,textarea{width:100%;border:1px solid var(--line);background:var(--card);color:var(--text);padding:10px 11px;border-radius:10px;font:inherit}textarea{min-height:110px;resize:vertical}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.full{grid-column:1/-1}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:var(--card)}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:13px;color:var(--muted);background:color-mix(in srgb,var(--card) 86%,var(--bg))}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:12px;font-weight:700}.badge.danger{color:var(--danger)}.badge.ok{color:var(--ok)}.alert{padding:12px 14px;border-radius:10px;margin:10px 0;border:1px solid}.alert.error{background:#fff1f0;border-color:#fecdca;color:#912018}.alert.success{background:#ecfdf3;border-color:#abefc6;color:#05603a}.alert.info{background:#eff4ff;border-color:#c7d7fe;color:#173c8f}.cover{width:74px;height:104px;object-fit:cover;border-radius:8px;background:var(--bg);border:1px solid var(--line)}.book-detail{display:grid;grid-template-columns:180px 1fr;gap:22px}.book-detail .cover{width:180px;height:250px}.quick{display:flex;gap:10px;flex-wrap:wrap}.section{margin-top:20px}.empty{padding:28px;text-align:center;color:var(--muted)}.progress{height:10px;background:var(--bg);border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--brand)}.install-shell{max-width:900px;margin:40px auto;padding:18px}.diag{display:grid;gap:8px;margin:16px 0}.diag-item{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card)}.diag-item.ok{border-color:#abefc6}.diag-item.bad{border-color:#fecdca}.diag-item.warn{border-color:#fedf89}.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--bg);padding:2px 5px;border-radius:5px}.footer{padding:28px 0;color:var(--muted);font-size:13px}.scanbox{max-width:680px;margin:auto}.chart-row{display:grid;grid-template-columns:180px 1fr 70px;gap:10px;align-items:center;margin:8px 0}.bar{height:18px;background:var(--bg);border-radius:999px;overflow:hidden}.bar span{height:100%;display:block;background:var(--brand)}
@media(max-width:760px){.topbar .inner{align-items:flex-start;flex-wrap:wrap}.nav{order:3;width:100%;overflow:auto;flex-wrap:nowrap}.wrap{padding:12px}.form-grid{grid-template-columns:1fr}.book-detail{grid-template-columns:1fr}.book-detail .cover{width:120px;height:170px}.toolbar>*{width:100%}.btn{justify-content:center}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.metric{font-size:24px}}


.wrap{background:rgba(255,255,255,.28);border-radius:20px}.page-book-form .wrap,.page-book-view .wrap{background:var(--soft-blue)}
.login-page,.install-page{background:linear-gradient(135deg,#dcecff 0%,#edf5ff 45%,#d8e9ff 100%)}
.login-page .install-shell,.install-page .install-shell{padding-top:48px;padding-bottom:48px}
.login-card,.install-page .card{background:linear-gradient(180deg,#ffffff 0%,#f2f7ff 100%);border-color:#c9daf5;box-shadow:0 18px 45px rgba(31,79,149,.15)}
.login-brand-sub{color:var(--muted);margin:-8px 0 18px;font-size:14px}
.location-room{background:linear-gradient(180deg,#2b5ea9 0%,#1f4f95 100%);border-color:#163b73;color:#fff}
.location-cabinet{background:linear-gradient(180deg,#6ea0df 0%,#4f86cf 100%);border-color:#3f71b6;color:#fff}
.location-shelf{background:linear-gradient(180deg,#b7d3f6 0%,#8eb8ee 100%);border-color:#74a4df;color:#0f2342}
.location-room h2,.location-cabinet h2,.location-shelf h2,.location-room label,.location-cabinet label,.location-shelf label{color:inherit}
.location-room input,.location-room select,.location-room textarea,.location-cabinet input,.location-cabinet select,.location-cabinet textarea,.location-shelf input,.location-shelf select,.location-shelf textarea{background:rgba(255,255,255,.9);color:#172033;border-color:rgba(255,255,255,.55)}
.location-room .btn,.location-cabinet .btn,.location-shelf .btn, .location-room button, .location-cabinet button, .location-shelf button{background:rgba(255,255,255,.92);color:#12325f}

.room-row td{background:linear-gradient(180deg,#2d61ae 0%,#1f4f95 100%);color:#fff;border-bottom-color:rgba(255,255,255,.16)}
.room-row strong{color:#fff}
.room-row input{background:rgba(255,255,255,.95);color:#172033;border-color:rgba(255,255,255,.45)}
.room-row .btn.success{background:#16a34a;color:#fff}

.cabinet-row td{background:linear-gradient(180deg,#73a5e2 0%,#5d90d1 100%);color:#fff;border-bottom-color:rgba(255,255,255,.18)}
.cabinet-row input{background:rgba(255,255,255,.95);color:#172033;border-color:rgba(255,255,255,.45)}
.cabinet-row .btn.success{background:#16a34a;color:#fff}
.shelf-row td{background:linear-gradient(180deg,#c1daf7 0%,#abcdf1 100%);color:#113153;border-bottom-color:#d7e7fa}
.shelf-row input{background:rgba(255,255,255,.98);color:#172033;border-color:#d7e7fa}
.shelf-row .btn.success{background:#16a34a;color:#fff}
.indent{display:inline-block;font-weight:600}
.indent-cabinet{padding-left:20px}
.indent-shelf{padding-left:40px}

.books-table tbody tr:nth-child(odd) td{background:#f7fbff}
.books-table tbody tr:nth-child(even) td{background:#e1ebf7}
.books-table tbody tr:hover td{background:#dcefdc}
.bulk-location-card{border-color:#aac8ed;background:linear-gradient(180deg,#f3f8ff 0%,#e7f1fd 100%)}
.bulk-method-grid{grid-template-columns:repeat(auto-fit,minmax(420px,1fr))}
.bulk-counter-row{display:flex;gap:8px;flex-wrap:wrap}
.bulk-isbn-text{min-height:180px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.bulk-result-table{max-height:440px;overflow:auto}
.bulk-result-table table{min-width:680px}
.bulk-result-table tbody tr:nth-child(even) td{background:#f3f7fc}
.bulk-saved td,.bulk-found td{background:#f0fdf4!important}
.bulk-duplicate td{background:#fff7ed!important}
.bulk-error td{background:#fff1f2!important}
@media(max-width:760px){.bulk-method-grid{grid-template-columns:1fr}}


.books-table tbody td{transition:background-color .16s ease}
.book-publisher{display:inline-block;margin-top:3px;font-size:13px;color:var(--text)}
.book-meta-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:6px}
.books-table td:last-child{min-width:150px}
[data-theme="dark"] .books-table tbody tr:nth-child(odd) td{background:#1b2233}
[data-theme="dark"] .books-table tbody tr:nth-child(even) td{background:#222c40}
[data-theme="dark"] .books-table tbody tr:hover td{background:#2d4636}

/* v2.2.4: Ana sayfa istatistik kutuları */
.page-kutuphane .cards .card{text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:118px}
.page-kutuphane .cards .card .muted,.page-kutuphane .cards .card .metric{width:100%;text-align:center}
.page-kutuphane .cards .card .metric{margin-top:8px}
[data-theme="dark"] body{background:linear-gradient(180deg,#0d1220 0%,#141b2b 100%)}
[data-theme="dark"] .topbar{background:linear-gradient(180deg,#171e2d 0%,#111827 100%)}
[data-theme="dark"] .wrap{background:rgba(17,24,39,.45)}

/* v2.2.5: Giriş ekranı logo/arma ve Bilgi bağlantısı */
.login-logo-wrap{display:flex;justify-content:center;align-items:center;margin:0 auto 14px}
.login-logo{display:block;max-width:150px;max-height:150px;width:auto;height:auto;object-fit:contain;border-radius:18px;filter:drop-shadow(0 8px 18px rgba(31,79,149,.14))}
.login-info-link{text-align:center;margin-top:14px}
.login-info-link a{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.68);border:1px solid #c9daf5;font-weight:700;color:var(--brand);box-shadow:0 6px 18px rgba(31,79,149,.08)}
.login-info-link a:hover{background:#fff}
.settings-logo-preview{display:flex;align-items:center;justify-content:center;min-height:120px;padding:12px;border:1px dashed var(--line);border-radius:14px;background:var(--bg);margin-bottom:8px}
.settings-logo-preview img{max-width:120px;max-height:120px;object-fit:contain}

.settings-favicon-preview{display:flex;align-items:center;justify-content:center;width:74px;height:74px;margin:4px 0 10px;border:1px solid var(--line);border-radius:14px;background:#fff}
.settings-favicon-preview img{max-width:48px;max-height:48px;object-fit:contain}

.academic-tabs{position:sticky;top:68px;z-index:10;padding:10px;background:rgba(233,242,255,.94);border:1px solid var(--line);border-radius:14px;backdrop-filter:blur(6px)}
textarea.tall{min-height:220px}
.page-academic-manage .card h3{margin:0 0 12px}
@media(max-width:760px){.academic-tabs{position:static}.academic-tabs .btn{width:auto;flex:1 1 140px}}

/* v3.1 — Akademik Makaleler düzenleyicisi */
.editor-toolbar{display:flex;gap:6px;flex-wrap:wrap;padding:9px;border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;background:color-mix(in srgb,var(--card) 75%,var(--bg))}
.editor-toolbar button{padding:7px 10px;border-radius:7px;background:var(--card);color:var(--text);border:1px solid var(--line);font-weight:650}
.rich-editor{min-height:380px;padding:20px;border:1px solid var(--line);border-radius:0 0 10px 10px;background:var(--card);color:var(--text);outline:none;line-height:1.75;overflow:auto}
.rich-editor:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 15%,transparent)}
.rich-editor h2{font-size:25px;margin:24px 0 10px}.rich-editor h3{font-size:20px;margin:20px 0 8px}.rich-editor p{margin:0 0 14px}.rich-editor blockquote{margin:18px 0;padding:12px 16px;border-left:4px solid var(--brand);background:var(--bg);border-radius:8px}.rich-editor a{text-decoration:underline}.attachment-admin-list{display:grid;gap:8px;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}

/* v3.1.2 — ISBN kaynak tanılama + NadirKitap eski kitap arama */
.isbn-actions{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:7px;align-items:center}.isbn-actions .btn{white-space:nowrap;padding:9px 10px}.lookup-details{margin-top:8px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--card) 92%,var(--bg));padding:7px 9px}.lookup-details summary{cursor:pointer;font-weight:700;color:var(--brand)}.source-check-grid{display:grid;gap:6px;margin-top:8px}.source-check{display:grid;grid-template-columns:minmax(130px,auto) 1fr;gap:8px;padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:var(--card)}.source-check.found{border-color:#abefc6;background:#f1fff7}.source-check.error{border-color:#fecdca;background:#fff6f5}.source-check.miss,.source-check.skip{opacity:.82}.field-source-summary{margin-top:8px;padding:7px 9px;border-radius:8px;background:var(--bg)}.rare-search-card{border-color:#a9c5ec;background:linear-gradient(180deg,#fafdff 0%,#eef6ff 100%)}.rare-search-card h2{color:#1f4f95}.rare-result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:12px}.rare-result-card{display:grid;grid-template-columns:78px 1fr;gap:12px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--card)}.rare-result-card img,.rare-cover-placeholder{width:78px;height:108px;border-radius:7px;object-fit:cover;border:1px solid var(--line);background:var(--bg)}.rare-cover-placeholder{display:grid;place-items:center;font-size:34px}.rare-result-card h3{margin:0 0 4px;font-size:16px}.rare-meta{font-size:13px;margin:5px 0 10px;color:var(--muted)}.internal-barcode-option{display:flex;gap:8px;align-items:flex-start;font-weight:400!important;margin-top:7px}.internal-barcode-option input{width:auto;margin-top:4px}.camera-note{font-size:13px}
@media(max-width:760px){.isbn-actions{grid-template-columns:1fr 1fr}.isbn-actions input{grid-column:1/-1}.source-check{grid-template-columns:1fr}.rare-result-grid{grid-template-columns:1fr}.rare-result-card{grid-template-columns:64px 1fr}.rare-result-card img,.rare-cover-placeholder{width:64px;height:92px}}
.isbn-alternatives{margin-top:10px;padding:10px;border:1px solid #f4c95d;border-radius:10px;background:#fffaf0}.isbn-alternatives>.muted{margin:4px 0 8px}.isbn-alt-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:8px 0;border-top:1px solid rgba(120,90,20,.16)}.isbn-alt-row:first-of-type{border-top:0}.isbn-alt-row div{display:grid;gap:2px}.isbn-alt-row span{font-size:13px;color:var(--muted)}
@media(max-width:760px){.isbn-alt-row{align-items:stretch;flex-direction:column}.isbn-alt-row .btn{width:100%}}

/* v3.1.6 - Herkese açık kütüphane görünürlüğü */
.public-library-toggle,.public-book-option{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid var(--line,#d6e2ef);border-radius:14px;background:rgba(255,255,255,.58)}
.public-library-toggle input,.public-book-option input{width:auto;margin-top:3px;transform:scale(1.08)}
.public-library-toggle span,.public-book-option span{display:flex;flex-direction:column;gap:4px}
.public-library-toggle small,.public-book-option small{color:var(--muted,#64748b);font-weight:400;line-height:1.45}

/* v3.1.10 — Toplu/seri kitap sorgusunda görünür çalışma göstergesi */
.query-activity{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid #b8d2f3;border-radius:12px;background:linear-gradient(180deg,#f3f8ff 0%,#eaf3ff 100%);color:var(--text);box-shadow:0 6px 18px rgba(31,79,149,.06)}
.query-activity[hidden]{display:none!important}
.query-activity strong{display:block;margin-bottom:2px;color:var(--brand)}
.query-spinner{width:24px;height:24px;flex:0 0 24px;border:3px solid #c9dcf4;border-top-color:var(--brand);border-radius:50%;animation:query-spinner-rotate .78s linear infinite}
@keyframes query-spinner-rotate{to{transform:rotate(360deg)}}
[data-theme="dark"] .query-activity{background:#1d2a3f;border-color:#37557d}
[data-theme="dark"] .query-spinner{border-color:#3f536f;border-top-color:#9fb7ff}
@media(prefers-reduced-motion:reduce){.query-spinner{animation-duration:1.6s}}

/* v3.1.19 - Kitap kartı iki sütun yerleşimi */
.book-info-cell{min-width:470px}
.book-title{display:block;margin-bottom:5px}
.book-summary-line{font-size:13px;line-height:1.45;margin:1px 0}
.book-summary-meta{font-size:12px;line-height:1.4;color:var(--muted);margin-top:4px}
.book-summary-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.book-card-label{color:var(--muted);font-weight:700}
@media(max-width:900px){.book-info-cell{min-width:430px}}

/* v3.1.21 - Kitap Ekle/Düzenle formunda seçilen açık pudra mavi zemin */
[data-theme="light"] .page-book-form .wrap{background:#e1ebf8}
[data-theme="light"] .page-book-form form.card.section{background:linear-gradient(180deg,#e5eef9 0%,#dce8f6 100%);border-color:#b8cde9}
[data-theme="light"] .page-book-form form.card.section input,
[data-theme="light"] .page-book-form form.card.section select,
[data-theme="light"] .page-book-form form.card.section textarea{background:#fff;color:var(--text)}
[data-theme="light"] .page-book-form form.card.section .lookup-details{background:rgba(255,255,255,.55)}


/* v3.1.25 - Edinme tarihi, rozet rengi ve form zemin ayarı */
.book-info-cell{position:relative;padding-bottom:44px}
.book-info-cell .book-summary-tags{position:absolute;left:12px;right:12px;bottom:11px;margin-top:0}
.book-actions-cell{position:relative;min-width:190px;text-align:right;padding-bottom:44px}
.book-actions-cell .quick{justify-content:flex-end;flex-wrap:nowrap}
.book-acquired-date{position:absolute;right:12px;bottom:11px;min-height:28px;display:flex;align-items:center;justify-content:flex-end;text-align:right;font-size:12px;line-height:1.3;color:var(--muted);white-space:nowrap}
.book-summary-tags .badge{color:#1f4f95}
.book-detail-fields .full-detail-field{grid-column:1/-1}
[data-theme="light"] .page-book-form .wrap{background:#d7e4f3}
[data-theme="light"] .page-book-form form.card.section{background:linear-gradient(180deg,#dce7f4 0%,#d1e0f0 100%);border-color:#aac1df}
@media(max-width:760px){.book-actions-cell{min-width:180px}.book-acquired-date{right:12px;text-align:right}}