:root{
  --orange:#ED7C27;--orange-dark:#B85516;--navy:#173E61;--gold:#D6A635;
  --text:#32373C;--muted:#667078;--line:#DEDEDE;--soft:#F7F7F6;--white:#fff;--danger:#A63A32;
  --shadow:0 10px 28px rgba(28,38,48,.08);--radius:12px;
}
*{box-sizing:border-box}html{background:#fff}body{margin:0;color:var(--text);background:#fff;font-family:Inter,"Open Sans",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.topbar{height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 clamp(20px,5vw,72px);border-bottom:1px solid #eee;background:#fff;position:sticky;top:0;z-index:50}.brand{display:inline-flex;align-items:center;gap:14px;color:var(--text);text-decoration:none;font-weight:750;letter-spacing:-.02em}.brand img{width:48px;height:48px;object-fit:contain}.brand span{font-size:20px}.icon-link,.icon-button{width:40px;height:40px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:#fff;color:#51575d;text-decoration:none}.icon-link:hover,.icon-button:hover{border-color:#bbb;background:#fafafa}.icon-link svg,.icon-button svg{width:19px;height:19px}.text-link{color:var(--orange-dark);font-size:13px;font-weight:700;text-decoration:none}
.catalog-shell{width:min(1480px,100%);margin:0 auto;padding:42px clamp(20px,5vw,72px) 80px}.catalog-controls{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:18px}.search-box{height:50px;width:min(720px,100%);display:flex;align-items:center;gap:12px;padding:0 15px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:.15s}.search-box:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px rgba(237,124,39,.10)}.search-box svg{width:20px;height:20px;color:#81878c;flex:0 0 auto}.search-box input{border:0;outline:0;width:100%;background:transparent;font-size:14px}.search-box.compact{height:44px;max-width:520px}.catalog-summary{display:flex;align-items:baseline;gap:7px;white-space:nowrap;color:var(--muted);font-size:12px}.catalog-summary strong{font-size:22px;color:var(--text)}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:34px 24px}.book-card{display:block;color:inherit;text-decoration:none;min-width:0}.cover{position:relative;aspect-ratio:2/3;border-radius:10px;background:#f0f0ef;overflow:hidden;border:1px solid #e5e5e5;box-shadow:0 5px 16px rgba(20,27,33,.08);transition:transform .15s ease,box-shadow .15s ease}.book-card:hover .cover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,27,33,.13)}.cover img{display:block;width:100%;height:100%;object-fit:cover}.fallback-cover{height:100%;display:grid;place-items:center;padding:24px;text-align:center;background:linear-gradient(145deg,#f5f5f4,#ececea)}.fallback-cover span{width:52px;height:52px;border:2px solid var(--orange);border-radius:50%;display:grid;place-items:center;color:var(--orange-dark);font-size:22px;font-weight:800}.fallback-cover strong{font-size:14px;line-height:1.35}.type-badge{position:absolute;top:10px;left:10px;padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px);font-size:9px;text-transform:uppercase;letter-spacing:.05em;font-weight:800;color:#50565a}.card-info{padding:13px 2px 0;text-align:center}.document-title{display:block;font-size:14px;line-height:1.38;text-align:center}.author-list{display:grid;justify-items:center;gap:5px;margin-top:9px}.author-line{display:inline-flex;align-items:center;justify-content:center;gap:6px;color:var(--muted);font-size:11px;line-height:1.35;text-align:center}.author-line svg{width:13px;height:13px;flex:0 0 13px;color:var(--orange-dark);stroke-width:1.9}.card-year,.source-line{display:block;margin-top:7px;color:var(--muted);font-size:10px;line-height:1.4;text-align:center}.source-line{font-style:normal}.empty{margin:80px 0;text-align:center;color:var(--muted)}
.admin-body{background:#fbfbfa}.admin-shell{width:min(1120px,100%);margin:0 auto;padding:42px 24px 90px}.login-card{width:min(480px,100%);margin:55px auto;padding:34px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}.section-icon{width:46px;height:46px;border-radius:12px;background:#fff3ea;color:var(--orange-dark);display:grid;place-items:center;margin-bottom:22px}.section-icon svg{width:22px}.login-card h1,.admin-heading h1{margin:0;font-size:30px;letter-spacing:-.03em}.login-card>p,.admin-heading p,.section-heading p{color:var(--muted);line-height:1.5}.stack-form,.record-form{display:grid;gap:17px}.stack-form{margin-top:26px}.stack-form label,.record-form label{display:grid;gap:7px;font-size:12px;font-weight:750}.stack-form input,.record-form input,.record-form select,.record-form textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:#fff;padding:11px 12px;outline:none}.stack-form input:focus,.record-form input:focus,.record-form select:focus,.record-form textarea:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(237,124,39,.09)}.primary-button,.secondary-button,.ghost-button{min-height:42px;border-radius:9px;padding:0 15px;font-size:12px;font-weight:800}.primary-button{border:1px solid var(--orange);background:var(--orange);color:#fff}.primary-button:hover{background:var(--orange-dark);border-color:var(--orange-dark)}.secondary-button{border:1px solid #cfd2d4;background:#fff;color:#34393d}.ghost-button{border:0;background:transparent;color:var(--muted)}button:disabled{opacity:.5;cursor:not-allowed}.form-status{min-height:20px;margin:0;color:var(--muted);font-size:12px}.admin-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;margin-bottom:28px}.admin-heading p{margin:7px 0 0}.header-actions{display:flex;gap:8px;align-items:center}.status-dot{width:7px;height:7px;border-radius:50%;background:#a4a8ab;display:inline-block;margin-right:7px}.connected .status-dot{background:#2d8b57}.admin-tabs{display:flex;gap:3px;border-bottom:1px solid var(--line);margin-bottom:28px}.admin-tabs button{border:0;background:transparent;padding:12px 14px;color:var(--muted);font-size:12px;font-weight:750;border-bottom:2px solid transparent;margin-bottom:-1px}.admin-tabs button.active{color:var(--orange-dark);border-bottom-color:var(--orange)}.tab-panel{display:none}.tab-panel.active{display:block}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.summary-strip{padding:13px 0 16px;color:var(--muted);font-size:11px}.summary-strip strong{color:var(--text)}.admin-list{display:grid;gap:8px}.admin-record{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 15px;border:1px solid var(--line);border-radius:10px;background:#fff}.record-main{min-width:0;display:grid;gap:4px}.record-main strong{font-size:13px;line-height:1.35}.record-main small{color:var(--muted);font-size:11px}.record-type{width:max-content;color:var(--orange-dark);font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.record-actions{display:flex;gap:6px;flex:0 0 auto}.icon-button.danger{color:var(--danger)}.section-heading{margin-bottom:22px}.section-heading h2{margin:0;font-size:22px;letter-spacing:-.02em}.section-heading p{margin:6px 0 0;font-size:12px}.record-form{padding:22px;border:1px solid var(--line);border-radius:12px;background:#fff}.form-grid{display:grid;gap:14px}.form-grid.two{grid-template-columns:1fr 1fr}.form-grid.three{grid-template-columns:160px 1fr 1fr}.span-2{grid-column:span 2}.file-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.file-field{padding:14px;border:1px dashed #c8cbcd;border-radius:10px;background:#fcfcfb}.file-field span{display:flex;justify-content:space-between}.file-field em{font-weight:500;color:var(--muted);font-style:normal}.file-field input{border:0;padding:8px 0 0;box-shadow:none!important}.form-note{margin:-5px 0 0;color:var(--muted);font-size:11px}.form-actions{display:flex;justify-content:flex-end;gap:9px}.migration-checks{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.migration-checks>div{display:grid;grid-template-columns:32px 1fr;grid-template-rows:auto auto;column-gap:11px;padding:16px;border:1px solid var(--line);border-radius:10px;background:#fff}.migration-checks span{grid-row:1/3;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#fff3ea;color:var(--orange-dark);font-size:11px;font-weight:800}.migration-checks strong{font-size:12px}.migration-checks small{color:var(--muted);font-size:10px;margin-top:3px}.migration-actions{display:flex;gap:9px;margin:18px 0}.progress{height:6px;background:#ececeb;border-radius:999px;overflow:hidden}.progress span{display:block;width:0;height:100%;background:var(--orange);transition:width .2s}.migration-report{margin-top:14px;padding:14px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:12px;line-height:1.5;color:var(--muted);min-height:50px}.migration-report code{font-size:10px}.migration-report pre{white-space:pre-wrap;max-height:280px;overflow:auto}.backup-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.backup-card{display:flex;align-items:center;gap:13px;text-align:left;padding:18px;border:1px solid var(--line);border-radius:11px;background:#fff}.backup-card:hover{border-color:#c3c5c7;box-shadow:0 5px 16px rgba(20,27,33,.05)}.backup-card svg{width:24px;height:24px;color:var(--orange-dark);flex:0 0 auto}.backup-card span{display:grid;gap:3px}.backup-card strong{font-size:12px}.backup-card small{font-size:10px;color:var(--muted)}.empty-state{padding:35px;text-align:center;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:10px}
@media(max-width:760px){.topbar{height:70px;padding:0 18px}.brand img{width:40px;height:40px}.catalog-shell,.admin-shell{padding:26px 18px 65px}.catalog-controls,.admin-heading{align-items:stretch;flex-direction:column}.catalog-summary{align-self:flex-end}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 13px}.header-actions{justify-content:space-between}.admin-tabs{overflow-x:auto}.admin-tabs button{white-space:nowrap}.form-grid.two,.form-grid.three,.file-grid,.migration-checks,.backup-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.toolbar{align-items:stretch}.toolbar .search-box{flex:1}.admin-record{align-items:flex-start}.login-card{margin:20px auto;padding:24px}}