@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--primary:#3559bb;--secondary:#16a58a;--bg:#f5f7fb;--surface:#fff;--text:#233047;--muted:#78869d;--border:#e7ebf3;--field:#fff;--basefont:16px;--radius:14px;--shadow:0 10px 35px rgba(23,39,81,.045)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;margin:0;font-size:var(--basefont);line-height:1.55}a{color:var(--primary);text-decoration:none}a:hover{opacity:.85}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}input,select,textarea{border:1px solid var(--border);color:var(--text);background:var(--field);padding:12px 14px;border-radius:10px;width:100%;outline:none;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 13%,transparent)}textarea{resize:vertical}input[type=color]{height:48px;padding:5px;width:100%}input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary);flex-shrink:0}input[type=file]{padding:11px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{font-family:'Manrope',system-ui,sans-serif;line-height:1.28;letter-spacing:-.03em}h1{font-size:clamp(1.55rem,2.6vw,2.25rem)}h2{font-size:1.08rem}h3{font-size:1rem}p{margin-bottom:1em}.small,small{font-size:.78rem}.muted,small{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.66rem;font-weight:800;color:var(--secondary);margin-bottom:9px}.shell{display:flex;min-height:100vh}.sidebar{width:265px;flex:0 0 265px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;padding:24px 16px 18px;z-index:3}.brand{display:flex;align-items:center;gap:10px;color:var(--text);padding:7px 11px 25px;min-height:64px}.brand-logo{width:38px;height:38px;object-fit:contain;flex-shrink:0}.brand-text{font-family:Manrope,sans-serif;font-size:.99rem;font-weight:800;line-height:1.3;overflow-wrap:anywhere}.brand-text small,.side-bottom small{font-family:'DM Sans',sans-serif;display:block;font-size:.7rem;font-weight:500;letter-spacing:0;color:var(--muted)}.menu{flex:1;overflow-y:auto}.menu-label{display:block;font-size:.61rem;color:#95a1b3;letter-spacing:.16em;margin:22px 11px 10px;font-weight:800}.nav-link{display:flex;align-items:center;gap:12px;color:#6d7b90;border-radius:11px;padding:11px 13px;font-size:.85rem;font-weight:600;margin:2px 0}.nav-link.on{background:color-mix(in srgb,var(--primary) 10%,var(--surface));color:var(--primary)}.nav-link:hover{background:color-mix(in srgb,var(--primary) 7%,var(--surface))}.nav-symbol{font-size:1.28rem;font-family:system-ui;width:21px;text-align:center;line-height:1}.side-bottom{display:flex;gap:12px;align-items:center;border-top:1px solid var(--border);padding:18px 5px 0;font-size:.82rem}.side-bottom b{display:block;max-width:169px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.avatar{border-radius:50%;background:color-mix(in srgb,var(--primary) 14%,var(--surface));color:var(--primary);font-weight:800;display:grid;place-items:center;width:38px;height:38px;flex-shrink:0}.main-area{min-width:0;flex:1;display:flex;flex-direction:column}.topbar{height:76px;flex-shrink:0;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4vw,52px);gap:20px}.top-title{font-family:Manrope,sans-serif;font-size:.92rem;font-weight:800}.top-actions{margin-left:auto;display:flex;align-items:center;gap:16px}.user-hello{color:var(--muted);font-size:.8rem}.mobile-heading{display:none;font-weight:800}.content{flex:1;width:100%;padding:34px clamp(22px,4vw,52px) 60px;max-width:1640px;margin:0 auto}.footer{text-align:center;padding:22px;font-size:.75rem;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;white-space:nowrap;border:1px solid transparent;border-radius:11px;padding:11px 18px;font-weight:700;font-size:.84rem;min-height:43px;transition:.18s;background:transparent}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{filter:brightness(1.07);opacity:1;transform:translateY(-1px)}.btn-soft{color:var(--primary);border-color:var(--border);background:var(--surface)}.btn-white{background:#fff;color:var(--primary)}.btn.full{display:flex;width:100%}.btn.small{padding:8px 14px;min-height:34px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}.page-heading h1{margin-bottom:5px}.page-heading p:last-child{margin-bottom:0}.hero{border-radius:calc(var(--radius) + 6px);background:linear-gradient(120deg,var(--primary) 0%,color-mix(in srgb,var(--primary) 82%,#171839) 100%);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:36px clamp(22px,4vw,42px);margin-bottom:24px;overflow:hidden;position:relative}.hero:after{content:'';position:absolute;width:240px;height:240px;border:60px solid #ffffff12;border-radius:50%;right:7%;top:-135px;pointer-events:none}.hero h1{max-width:680px;margin-bottom:12px}.hero p{max-width:540px;margin-bottom:0;opacity:.88}.hero .eyebrow{color:#c6fcf3;opacity:1}.hero .btn{position:relative;z-index:1}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:22px}.stats.reader-stats{grid-template-columns:repeat(2,minmax(0,1fr));max-width:580px}.stat{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);padding:21px 24px;min-height:137px;display:flex;flex-direction:column;box-shadow:var(--shadow)}.stat-icon{font-size:1.65rem;color:var(--primary);line-height:1.2;margin-bottom:9px}.stat small{margin-bottom:7px}.stat strong{font-size:1.72rem;font-family:Manrope,sans-serif;letter-spacing:-.04em;line-height:1.15}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);min-width:0}.panel h2{margin-bottom:17px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}.panel-head h2{margin:0}.panel-head a{font-size:.8rem;font-weight:700}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:22px}.cols-2-1{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr)}.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quick-grid a{border:1px solid var(--border);padding:17px;border-radius:11px;display:flex;flex-direction:column;font-size:1.35rem;color:var(--primary)}.quick-grid b{color:var(--text);font-size:.82rem;margin-top:7px}.quick-grid span{font-size:.73rem;color:var(--muted)}.list-line{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);color:var(--text)}.list-line:last-child{border-bottom:0}.list-line b,.list-line small{display:block}.list-line b{font-size:.84rem}.list-line small{font-size:.72rem}.mini-icon{background:var(--bg);border-radius:8px;padding:10px;color:var(--primary)}.arrow{margin-left:auto;color:var(--muted)}.empty{padding:48px 16px;text-align:center;grid-column:1/-1;color:var(--muted);width:100%}.empty-icon{font-size:3rem;color:var(--primary);opacity:.45}.empty h3{color:var(--text);margin:13px 0 7px}.empty p{max-width:360px;margin:0 auto;font-size:.85rem}.filters{display:flex;align-items:stretch;gap:12px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:18px}.filters select{max-width:270px}.filters .search-input{flex:1}.search-input{display:flex;gap:8px;align-items:center;border:1px solid var(--border);border-radius:10px;padding-left:12px;color:var(--muted)}.search-input input{border:0;box-shadow:none!important;min-width:0}.results{font-size:.78rem;margin-bottom:18px}.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.book-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;color:var(--text);transition:transform .18s,box-shadow .18s;min-width:0}.book-card:hover{transform:translateY(-3px);box-shadow:0 16px 35px #1d37601c;opacity:1}.book-cover{height:245px;background:linear-gradient(145deg,#e5ebfc,#d7e2f0);position:relative;display:flex;align-items:center;justify-content:center}.book-cover img{width:100%;height:100%;object-fit:contain}.cover-placeholder{background:linear-gradient(155deg,#3955a4,#122c6a);color:#d4dff7;width:100%;height:100%;display:grid;place-items:center;font-size:4.4rem;text-shadow:0 8px 15px #0b1d3866}.cover-badge{position:absolute;bottom:10px;left:10px;background:#fff;color:#365098;padding:4px 9px;font-size:.65rem;border-radius:8px}.book-info{padding:15px}.book-info h3{margin-bottom:7px;line-height:1.35;word-break:break-word}.book-info p{font-size:.75rem;color:var(--muted);margin-bottom:4px}.book-info small{display:block}.pagination{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}.pagination a{display:grid;place-items:center;border:1px solid var(--border);background:var(--surface);width:38px;height:38px;border-radius:10px;font-weight:700}.pagination a.on{background:var(--primary);color:#fff}.backlink{display:inline-block;margin-bottom:20px;font-size:.85rem;font-weight:700}.book-detail{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;margin-bottom:28px}.book-detail-cover{height:355px;max-width:260px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.book-detail-cover img{width:100%;height:100%;object-fit:contain}.book-detail-cover .cover-placeholder{font-size:5.5rem}.book-detail-content{padding-top:8px}.book-detail-content h1{font-size:clamp(1.5rem,3vw,2.5rem);margin-bottom:7px}.subtitle{font-size:1.05rem;color:var(--muted)}.author-line{color:var(--muted);margin:18px 0 22px}.book-meta{display:flex;gap:10px 23px;flex-wrap:wrap;margin:10px 0 24px;font-size:.82rem;color:var(--muted)}.book-meta b{color:var(--text)}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:30px}.actions form{margin:0}.summary{font-size:.9rem;line-height:1.85;max-width:820px}.book-record{grid-template-columns:1.2fr 1fr}.catalog-card{border:1px solid var(--border);padding:22px;display:grid;grid-template-columns:60px 1fr;gap:14px;font-family:Georgia,'Times New Roman',serif;font-size:.84rem;line-height:1.6;max-width:650px}.catalog-card p{margin-bottom:10px}.catalog-card p:first-child{text-indent:12px}.reference-text{font-size:.94rem;line-height:1.9;word-break:break-word}.separator{border-top:1px solid var(--border);margin:20px 0}.table-panel{padding:24px}.responsive-table{width:100%;overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:.83rem}th{font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:800;background:var(--bg)}th,td{padding:15px;border-bottom:1px solid var(--border);vertical-align:middle}td b,td small{display:block}td small{max-width:280px;margin-top:5px}tr:last-child td{border-bottom:0}.table-actions{display:flex;align-items:center;flex-wrap:wrap;gap:11px;font-size:.78rem;font-weight:700}.table-actions form{margin:0}.table-actions button{border:0;background:none;padding:0;font-weight:700;font-size:.78rem}.link-danger{color:#c2515b}.pill{border-radius:30px;padding:4px 10px;white-space:nowrap;font-size:.72rem;font-weight:800}.pill.green{color:#08765f;background:#e6f8f3}.pill.gray{color:#67778b;background:#edf0f4}.admin-form{display:flex;flex-direction:column;gap:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:12px 0}.form-grid .span-all{grid-column:1/-1}label{display:flex;flex-direction:column;gap:8px;font-size:.82rem;font-weight:700;color:var(--text);margin:0 0 15px}label small{font-weight:400;line-height:1.45}.form-grid label{margin:0}.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:20px}.check-item{display:flex;flex-direction:row;align-items:center;gap:11px;border:1px solid var(--border);border-radius:10px;padding:11px 13px;font-size:.82rem;font-weight:600;margin:0;cursor:pointer}.check-item:has(input:checked){background:color-mix(in srgb,var(--primary) 6%,var(--surface));border-color:color-mix(in srgb,var(--primary) 24%,var(--border))}.form-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.alert{padding:14px 16px;border:1px solid var(--border);border-radius:11px;font-size:.85rem;margin-bottom:20px}.alert-error{background:#fff2f2;color:#af2636;border-color:#f4c9cb}.alert-ok{background:#edf9f4;color:#146e53;border-color:#a6dfc6}.alert.neutral{margin-top:24px;background:var(--bg);color:var(--muted)}.security-line{padding:11px 0;border-bottom:1px solid var(--border);color:var(--secondary);font-weight:700;font-size:.82rem}.reader-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.reader-header h1{font-size:1.25rem;margin-bottom:3px}.reader-header p{margin:0;font-size:.8rem}.reader-lock{display:inline-block;border:1px solid var(--border);border-radius:12px;padding:9px 12px;color:var(--primary);font-size:.75rem;font-weight:700}.reader-app{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.reader-toolbar{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:10px;padding:13px;background:var(--surface);border-bottom:1px solid var(--border)}.reader-toolbar span{font-size:.78rem}.reader-toolbar input{display:inline-block;width:65px;padding:5px 7px;text-align:center;font-size:.82rem;margin:0 5px}.reader-btn{border:1px solid var(--border);padding:8px 10px;border-radius:8px;background:var(--bg);font-size:.76rem;font-weight:700;color:var(--text)}.tool-split{height:22px;width:1px;background:var(--border);margin:0 6px}.reader-canvas-wrap{position:relative;display:flex;flex-direction:column;align-items:center;padding:30px 20px;min-height:380px;overflow:auto;background:#e8ebf1}.canvas-holder{position:relative;display:none;max-width:100%;margin:auto;box-shadow:0 10px 35px #16213f31;line-height:0}.canvas-holder canvas{display:block;max-width:none;user-select:none;-webkit-user-select:none}.watermark{position:absolute;inset:0;pointer-events:none;overflow:hidden;user-select:none;display:flex;align-items:center;justify-content:center}.watermark:after{content:attr(data-watermark);transform:rotate(-28deg);font:700 24px Manrope,sans-serif;white-space:nowrap;color:rgba(25,45,76,.10);letter-spacing:2px}.reader-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 19px;color:var(--muted);font-size:.7rem}.reader-warning{margin-top:12px}.auth-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:var(--surface)}.auth-aside{position:relative;background:linear-gradient(145deg,#192954,var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:50px}.auth-aside-inner{position:relative;max-width:480px;z-index:1}.auth-aside h1{font-size:clamp(2.15rem,4vw,3.5rem);line-height:1.2}.auth-aside p{color:#dfebff}.auth-aside .eyebrow{color:#a8e6dd}.auth-symbol{font-size:2.3rem;border-radius:18px;background:#ffffff24;padding:12px 20px;display:inline-flex;margin-bottom:54px}.auth-glow{width:360px;height:360px;background:#fff1;border-radius:50%;position:absolute;right:-190px;bottom:-240px;box-shadow:0 0 0 65px #ffffff08,0 0 0 125px #ffffff05;z-index:-1}.auth-main{display:grid;place-items:center;padding:40px}.auth-card{width:100%;max-width:400px}.auth-brand{display:flex;align-items:center;gap:13px;margin-bottom:55px}.auth-brand img{width:44px;height:44px;object-fit:contain}.auth-brand strong{font-family:Manrope;font-size:1.1rem;display:block}.auth-brand small{display:block}.auth-card h2{font-size:1.65rem;margin-bottom:9px}.auth-card .muted{margin-bottom:30px;font-size:.86rem}.auth-card label{margin-bottom:19px}.auth-note{text-align:center;margin-top:27px!important}.setup-page{min-height:100vh;background:var(--bg);padding:35px 16px;display:flex;justify-content:center;align-items:flex-start}.setup-card{width:100%;max-width:760px;border:1px solid var(--border);border-radius:20px;padding:clamp(22px,5vw,46px);background:var(--surface);box-shadow:0 20px 70px #172c5110}.setup-heading{text-align:center;margin-bottom:27px}.setup-heading h1{margin-bottom:8px}.setup-icon{border-radius:18px;background:var(--primary);color:#fff;display:inline-grid;place-items:center;width:65px;height:65px;font-size:2rem;margin-bottom:16px}.setup-card h2{margin-top:27px}.req-list{border:1px solid var(--border);border-radius:12px;overflow:hidden;margin:18px 0}.req-list>div{display:flex;justify-content:space-between;padding:9px 14px;font-size:.8rem;border-bottom:1px solid var(--border)}.req-list>div:last-child{border-bottom:0}.req-list .ok{color:#169b6c}.req-list .bad{color:#cb4b55}
@media(max-width:1200px){.sidebar{width:228px;flex-basis:228px}.content{padding:26px 25px 44px}.stats{gap:12px}.stat{padding:17px}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.book-cover{height:225px}.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:920px){.sidebar{width:72px;flex-basis:72px;padding:18px 9px}.brand{padding:8px 6px 22px;justify-content:center}.brand-text,.nav-link:not(.on){} .brand-text,.nav-link .nav-symbol~* ,.menu-label,.side-bottom div{display:none}.nav-link{font-size:0;justify-content:center;padding:12px}.nav-symbol{font-size:1.35rem}.side-bottom{justify-content:center}.sidebar .brand-logo{width:35px}.two-col,.cols-2-1,.book-record{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.book-detail{grid-template-columns:190px minmax(0,1fr);gap:22px}.book-detail-cover{height:280px}.auth-aside{padding:35px}.auth-brand{margin-bottom:35px}}
@media(max-width:660px){.sidebar{position:fixed;top:auto;bottom:0;width:100%;height:62px;z-index:10;flex-direction:row;padding:5px 6px;box-shadow:0 -8px 18px #00000009}.sidebar .brand,.menu-label,.side-bottom{display:none}.menu{display:flex;flex-direction:row;justify-content:space-around;align-items:center;width:100%;overflow-x:auto;gap:4px}.nav-link{min-width:43px;margin:0;font-size:0;padding:10px 9px}.nav-symbol{font-size:1.28rem}.main-area{padding-bottom:68px}.topbar{height:59px;padding:0 16px}.top-title{display:none}.mobile-heading{display:block;font-size:.8rem}.user-hello{display:none}.content{padding:20px 14px 35px}.hero{padding:26px 20px;display:block}.hero .btn{margin-top:16px}.hero h1{font-size:1.5rem}.page-heading{flex-wrap:wrap}.page-heading .btn{width:100%}.stats{gap:10px}.stat{padding:15px 14px;min-height:110px}.stat strong{font-size:1.4rem}.stat-icon{font-size:1.25rem}.filters{flex-direction:column;padding:12px}.filters select{max-width:100%}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.book-cover{height:195px}.book-info{padding:11px}.book-info h3{font-size:.8rem}.book-detail{grid-template-columns:1fr}.book-detail-cover{width:185px;height:265px}.book-detail-content{padding-top:0}.form-grid{grid-template-columns:1fr}.check-grid{grid-template-columns:1fr}.panel{padding:18px}.two-col{gap:14px}.reader-toolbar{gap:6px}.reader-lock{display:none}.reader-toolbar .tool-split{display:none}.reader-canvas-wrap{padding:12px 5px}.reader-footer{display:block}.auth-page{display:block}.auth-aside{display:none}.auth-main{min-height:100vh;padding:28px}.auth-card{max-width:380px}.book-record .catalog-card{padding:14px;grid-template-columns:42px 1fr;font-size:.76rem}.quick-grid{gap:8px}.quick-grid a{padding:13px}.table-panel{padding:14px}}