:root{--admin-bg-deep:#0a0a12;--admin-bg-surface:#12121f;--admin-bg-glass:#1e1e3299;--admin-border-color:#ffffff14;--admin-accent-primary:#8b5cf6;--admin-accent-secondary:#6366f1;--admin-accent-gradient:linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);--admin-text-primary:#f8fafc;--admin-text-secondary:#94a3b8;--admin-success:#10b981;--admin-warning:#f59e0b;--admin-danger:#ef4444;-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background-color:var(--admin-bg-deep);color:var(--admin-text-primary);margin:0;overflow-x:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#fff3}a{text-decoration:none}.admin-layout{background-color:var(--admin-bg-deep);min-height:100vh;display:flex}.sidebar{background:var(--admin-bg-surface);border-right:1px solid var(--admin-border-color);z-index:100;flex-direction:column;width:280px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.sidebar.closed{width:80px}.sidebar-header{padding:32px 24px}.sidebar-logo{color:#fff;letter-spacing:-.5px;align-items:center;gap:12px;font-size:20px;font-weight:800;display:flex}.logo-icon{color:var(--admin-accent-primary);filter:drop-shadow(0 0 8px #8b5cf666)}.sidebar-nav{flex-direction:column;flex:1;gap:6px;padding:0 16px;display:flex}.nav-item{color:var(--admin-text-secondary);border-radius:12px;align-items:center;gap:14px;padding:12px 16px;font-size:15px;font-weight:600;transition:all .2s;display:flex}.nav-item:hover{color:#fff;background:#ffffff0d}.nav-item.active{background:var(--admin-accent-gradient);color:#fff;box-shadow:0 4px 15px #6366f133}.sidebar.closed .nav-item{justify-content:center;padding:12px}.sidebar-footer{border-top:1px solid var(--admin-border-color);padding:24px 16px}.logout-btn{cursor:pointer;background:0 0;border:none;width:100%;color:#ef4444!important}.logout-btn:hover{background:#ef44441a!important}.main-content{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--admin-border-color);z-index:90;background:#0a0a12cc;justify-content:space-between;align-items:center;height:80px;padding:0 32px;display:flex;position:sticky;top:0}.topbar-right{align-items:center;gap:24px;display:flex}.icon-btn{color:var(--admin-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex}.icon-btn:hover{color:#fff;background:#ffffff0d}.user-profile{border-left:1px solid var(--admin-border-color);align-items:center;gap:12px;padding-left:24px;display:flex}.avatar{background:var(--admin-accent-gradient);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:38px;height:38px;font-weight:700;display:flex;box-shadow:0 4px 10px #0000004d}.user-info{flex-direction:column;display:flex}.user-info .name{color:#fff;font-size:14px;font-weight:700}.user-info .role{color:var(--admin-text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:11px}.content-wrapper{width:100%;max-width:1400px;margin:0 auto;padding:40px}:root{--admin-bg-primary:#0a0a0f;--admin-bg-secondary:#12121a;--admin-accent-primary:#6366f1;--admin-accent-secondary:#8b5cf6;--admin-text-primary:#f8fafc;--admin-text-secondary:#94a3b8;--admin-border-color:#ffffff14;--admin-glass-bg:#12121aa6;--admin-glass-border:#ffffff1a;--admin-error-bg:#ef44441a;--admin-error-text:#ef4444;--admin-error-border:#ef444433}.login-container{background-color:var(--admin-bg-primary);min-height:100vh;color:var(--admin-text-primary);justify-content:center;align-items:center;font-family:Inter,-apple-system,sans-serif;display:flex;position:relative;overflow:hidden}.login-blob{filter:blur(80px);z-index:0;opacity:.5;border-radius:50%;animation:10s ease-in-out infinite alternate float;position:absolute}.blob-1{background:linear-gradient(135deg, var(--admin-accent-primary), transparent);width:400px;height:400px;top:-100px;left:-100px}.blob-2{background:linear-gradient(135deg, var(--admin-accent-secondary), transparent);width:500px;height:500px;animation-delay:-5s;bottom:-150px;right:-150px}@keyframes float{0%{transform:translate(0)scale(1)}to{transform:translate(30px,-30px)scale(1.1)}}.login-card{background:var(--admin-glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--admin-glass-border);z-index:1;border-radius:24px;width:100%;max-width:420px;padding:48px 40px;animation:.6s cubic-bezier(.16,1,.3,1) slideUp;box-shadow:0 25px 50px -12px #00000080}@keyframes slideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.login-header{text-align:center;margin-bottom:32px}.logo-container{background:linear-gradient(135deg, var(--admin-accent-primary), var(--admin-accent-secondary));border-radius:16px;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 20px;display:flex;box-shadow:0 10px 20px -5px #6366f166}.logo-icon{color:#fff}.login-header h1{letter-spacing:-.5px;background:linear-gradient(90deg,#fff,#a5b4fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0 0 8px;font-size:28px;font-weight:700}.login-header p{color:var(--admin-text-secondary);margin:0;font-size:14px}.error-alert{background:var(--admin-error-bg);border:1px solid var(--admin-error-border);color:var(--admin-error-text);border-radius:12px;align-items:center;gap:12px;margin-bottom:24px;padding:14px 16px;font-size:14px;font-weight:500;animation:.5s cubic-bezier(.36,.07,.19,.97) both shake;display:flex}@keyframes shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(2px)}30%,50%,70%{transform:translate(-4px)}40%,60%{transform:translate(4px)}}.login-form{flex-direction:column;gap:20px;display:flex}.input-group label{color:var(--admin-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:13px;font-weight:600;display:block}.input-wrapper{align-items:center;display:flex;position:relative}.input-icon{color:var(--admin-text-secondary);transition:color .3s;position:absolute;left:16px}.input-wrapper input{border:1px solid var(--admin-border-color);width:100%;color:var(--admin-text-primary);background:#0003;border-radius:12px;outline:none;padding:14px 16px 14px 48px;font-size:15px;transition:all .3s}.input-wrapper input::placeholder{color:#94a3b880}.input-wrapper input:focus{border-color:var(--admin-accent-primary);background:#0006;box-shadow:0 0 0 4px #6366f11a}.input-wrapper input:focus+.input-icon,.input-wrapper input:not(:placeholder-shown)~.input-icon{color:var(--admin-accent-primary)}.submit-button{background:linear-gradient(135deg, var(--admin-accent-primary), var(--admin-accent-secondary));color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:10px;margin-top:10px;padding:16px;font-size:16px;font-weight:600;transition:all .3s;display:flex;position:relative;overflow:hidden}.submit-button:before{content:"";opacity:0;background:linear-gradient(#ffffff1a,#0000);width:100%;height:100%;transition:opacity .3s;position:absolute;top:0;left:0}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px -5px #6366f180}.submit-button:hover:not(:disabled):before{opacity:1}.submit-button:active:not(:disabled){transform:translateY(0)}.submit-button:disabled{opacity:.7;cursor:not-allowed}.spinner{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-footer{text-align:center;border-top:1px solid var(--admin-border-color);margin-top:32px;padding-top:24px}.login-footer p{color:var(--admin-text-secondary);opacity:.7;margin:0;font-size:12px}.dashboard-container{flex-direction:column;gap:32px;display:flex}.dashboard-header h1{color:var(--admin-text-primary);margin:0 0 8px;font-size:24px;font-weight:700}.dashboard-header p{color:var(--admin-text-secondary);margin:0;font-size:15px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;display:grid}.stat-card{background-color:var(--admin-bg-primary);border:1px solid var(--admin-border-color);border-radius:16px;align-items:flex-start;gap:20px;padding:24px;transition:transform .2s,box-shadow .2s;display:flex}.stat-card:hover{transform:translateY(-4px);box-shadow:0 10px 20px -10px #00000080}.stat-icon-wrapper{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.stat-icon-wrapper.blue{color:#3b82f6;background:#3b82f626}.stat-icon-wrapper.purple{color:#8b5cf6;background:#8b5cf626}.stat-icon-wrapper.green{color:#10b981;background:#10b98126}.stat-icon-wrapper.amber{color:#f59e0b;background:#f59e0b26}.stat-content{flex:1}.stat-content h3{color:var(--admin-text-secondary);margin:0 0 8px;font-size:14px;font-weight:500}.stat-value{color:var(--admin-text-primary);margin-bottom:8px;font-size:28px;font-weight:700}.stat-trend{align-items:center;gap:4px;font-size:13px;font-weight:500;display:flex}.stat-trend.positive{color:#10b981}.stat-trend.negative{color:#ef4444}.charts-grid{grid-template-columns:2fr 1fr;gap:24px;display:grid}.chart-card{background-color:var(--admin-bg-primary);border:1px solid var(--admin-border-color);border-radius:16px;flex-direction:column;padding:24px;display:flex}.chart-header{margin-bottom:24px}.chart-header h3{color:var(--admin-text-primary);margin:0;font-size:16px;font-weight:600}.chart-body{flex-direction:column;flex:1;justify-content:center;display:flex}.placeholder-content{justify-content:space-between;align-items:flex-end;gap:16px;height:200px;padding-top:20px;display:flex}.placeholder-content .bar{background:linear-gradient(to top, var(--admin-accent-primary), #6366f133);opacity:.7;border-radius:6px 6px 0 0;flex:1;transition:opacity .3s}.placeholder-content .bar:hover{opacity:1}.popular-list{flex-direction:column;gap:16px;margin:0;padding:0;list-style:none;display:flex}.popular-item{background:#ffffff08;border-radius:12px;justify-content:space-between;align-items:center;padding:12px;display:flex}.item-info{align-items:center;gap:12px;display:flex}.item-index{background:var(--admin-accent-primary);color:#fff;border-radius:6px;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:flex}.item-name{font-size:14px;font-weight:500}.item-score{color:var(--admin-text-secondary);background:#ffffff1a;border-radius:6px;padding:4px 8px;font-size:13px}.skeleton-text{background:linear-gradient(90deg,#ffffff0d 25%,#ffffff1a 50%,#ffffff0d 75%) 0 0/200% 100%;border-radius:4px;height:1em;animation:1.5s infinite loading;display:inline-block}.skeleton-text.short{width:60px}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}@media (width<=1024px){.charts-grid{grid-template-columns:1fr}}.page-container{flex-direction:column;gap:28px;animation:.4s ease-out fadeInPage;display:flex}@keyframes fadeInPage{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.page-header h1{background:var(--admin-accent-gradient);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;margin:0;font-size:28px;font-weight:800}.page-header p{color:var(--admin-text-secondary);margin:6px 0 0;font-size:15px}.btn{cursor:pointer;border:none;border-radius:12px;align-items:center;gap:10px;padding:12px 22px;font-family:inherit;font-size:14px;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-primary{background:var(--admin-accent-gradient);color:#fff;box-shadow:0 4px 15px #8b5cf64d}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf666}.btn-danger{color:#ef4444;background:#ef44441a;border:1px solid #ef444433}.btn-danger:hover{background:#ef444433}.btn-ghost{color:var(--admin-text-secondary);border:1px solid var(--admin-border-color);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#ffffff08}.btn-ghost:hover{color:#fff;background:#ffffff14;border-color:#fff3}.btn-sm{border-radius:10px;padding:8px 14px;font-size:13px}.data-table-wrapper{background:var(--admin-bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--admin-border-color);border-radius:20px;overflow:hidden;box-shadow:0 10px 30px #0003}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;text-transform:uppercase;letter-spacing:1px;color:var(--admin-text-secondary);border-bottom:1px solid var(--admin-border-color);background:#0003;padding:18px 24px;font-size:12px;font-weight:700}.data-table td{border-bottom:1px solid var(--admin-border-color);color:var(--admin-text-primary);padding:18px 24px;font-size:14px;transition:background .2s}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#ffffff08}.actions-cell{align-items:center;gap:10px;display:flex}.badge{letter-spacing:.3px;border-radius:20px;align-items:center;padding:6px 14px;font-size:12px;font-weight:700;display:inline-flex}.badge-green{color:#10b981;background:#10b9811a;border:1px solid #10b98133}.badge-red{color:#ef4444;background:#ef44441a;border:1px solid #ef444433}.badge-blue{color:#3b82f6;background:#3b82f61a;border:1px solid #3b82f633}.badge-amber{color:#f59e0b;background:#f59e0b1a;border:1px solid #f59e0b33}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000c;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:#161625;border:1px solid #ffffff1a;border-radius:24px;width:90%;max-width:600px;max-height:85vh;padding:40px;animation:.4s cubic-bezier(.175,.885,.32,1.275) modalPop;overflow-y:auto;box-shadow:0 25px 50px -12px #00000080}@keyframes modalPop{0%{opacity:0;transform:scale(.9)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.app-dialog{background:0 0;border:none;width:90%;max-width:600px;max-height:85vh;padding:0;animation:.3s fadeIn;overflow:visible}.app-dialog::backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000c}.app-dialog__inner{background:#161625;border:1px solid #ffffff1a;border-radius:24px;max-height:85vh;padding:40px;animation:.4s cubic-bezier(.175,.885,.32,1.275) modalPop;overflow-y:auto;box-shadow:0 25px 50px -12px #00000080}.app-dialog__inner h2,.modal h2{letter-spacing:-.5px;margin:0 0 32px;font-size:24px;font-weight:800}.modal-actions{justify-content:flex-end;gap:16px;margin-top:32px;display:flex}.form-group{margin-bottom:20px}.form-group label{color:var(--admin-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:13px;font-weight:700;display:block}.form-input{border:1px solid var(--admin-border-color);width:100%;color:var(--admin-text-primary);background:#0003;border-radius:12px;outline:none;padding:14px 18px;font-family:inherit;font-size:15px;transition:all .2s}.form-input:focus{border-color:var(--admin-accent-primary);background:#0000004d;box-shadow:0 0 0 4px #8b5cf61a}.form-row{gap:20px;display:flex}.form-row>div{flex:1}.empty-state{text-align:center;color:var(--admin-text-secondary);padding:80px 40px}.empty-state svg{opacity:.3;margin-bottom:20px}.empty-state p{font-size:16px;font-weight:500}.animate-spin{animation:1s linear infinite spin}.pdf-container{background:#1a1a2e;border-radius:20px;justify-content:center;padding:40px;display:flex;position:relative;overflow:auto;box-shadow:inset 0 0 40px #00000080}.hotspot-item{cursor:pointer;transition:all .2s}.hotspot-item:hover{transform:translate(4px);background:#ffffff0f!important}.data-table-wrapper::-webkit-scrollbar{width:6px}.data-table-wrapper::-webkit-scrollbar-track{background:0 0}.data-table-wrapper::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.data-table-wrapper::-webkit-scrollbar-thumb:hover{background:#fff3}.user-avatar-container{border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex}.user-avatar-admin{background:var(--admin-accent-gradient)}.user-avatar-other{background:#ffffff0d}.cover-thumb-btn{cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:0;display:inline-flex;position:relative;overflow:hidden}.cover-thumb-btn:after{content:"";opacity:0;background:#00000080;border-radius:4px;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:absolute;inset:0}.cover-thumb-btn:hover:after,.cover-thumb-btn:focus-visible:after{opacity:1}.cover-thumb-btn:focus-visible{outline:2px solid var(--admin-accent-primary);outline-offset:2px}.offer-books-label{color:var(--admin-text-secondary);margin-bottom:8px;font-size:14px;font-weight:500;display:block}.offer-book-grid{background:#0003;border-radius:8px;grid-template-columns:1fr 1fr;gap:8px;max-height:150px;padding:12px;display:grid;overflow-y:auto}.book-select-item{cursor:pointer;background:0 0;border:1px solid #0000;border-radius:4px;align-items:center;gap:8px;padding:6px;transition:background .15s,border-color .15s;display:flex}.book-select-item.selected{border-color:var(--admin-accent-primary);background:#6366f11a}.book-select-item:hover{background:#ffffff0a}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.hotspots-title-row{align-items:center;gap:16px;display:flex}.hotspots-toolbar{align-items:center;gap:12px;display:flex}.hotspots-layout{grid-template-columns:300px 1fr;gap:24px;height:calc(100vh - 200px);display:grid}.hotspots-sidebar{padding:20px;overflow-y:auto}.hotspots-sidebar__header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.hotspots-sidebar__header h3{font-size:16px}.hotspots-sidebar__count{color:var(--admin-text-secondary);font-size:12px}.hotspots-empty-msg{color:var(--admin-text-secondary);font-size:14px}.hotspots-list{flex-direction:column;gap:12px;display:flex}.hotspots-scan-error{background:#ef44441a;border:1px solid #ef444433;border-radius:10px;margin-bottom:16px;padding:12px}.hotspots-scan-error p{color:#ef4444;font-size:12px}.hotspot-card{background:#ffffff08;border:1px solid #0000;border-radius:10px;padding:12px;transition:border-color .2s}.hotspot-card--auto{border-color:#10b981}.hotspot-card--manual{border-color:var(--admin-primary)}.hotspot-card__header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.hotspot-card__badges{gap:4px;display:flex}.hotspot-card__delete{padding:4px}.hotspot-card__action{align-items:center;gap:8px;font-size:13px;display:flex}.hotspot-card__data{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.hotspot-card__goto{width:100%;margin-top:8px;font-size:12px}.hotspots-pager{background:#ffffff0d;border-radius:12px;align-items:center;gap:12px;padding:8px 16px;display:flex}.hotspots-pager__label{font-size:14px;font-weight:600}.hotspots-pager__divider{background:#ffffff1a;width:1px;height:20px;margin:0 8px}.hotspots-scale-select{color:#fff;cursor:pointer;background:0 0;border:none}.hotspots-pdf-viewer{background:#1a1a2e;border-radius:20px;justify-content:center;padding:40px;display:flex;position:relative;overflow:auto}.hotspots-canvas{cursor:crosshair;position:relative}.hotspot-overlay{pointer-events:none;border-style:solid;border-width:2px;border-radius:4px;justify-content:center;align-items:center;display:flex;position:absolute}.hotspot-overlay--auto{background:#10b98133;border-color:#10b981}.hotspot-overlay--manual{border-color:var(--admin-primary);background:#8b5cf633}.hotspot-icon{border-radius:50%;justify-content:center;align-items:center;padding:4px;display:flex}.hotspot-icon--auto{background:#10b981}.hotspot-icon--manual{background:var(--admin-primary)}.hotspot-drawing-rect{pointer-events:none;background:#10b98133;border:2px dashed #10b981;border-radius:4px;position:absolute}.hotspots-modal-subtitle{color:var(--admin-text-secondary);margin-bottom:20px}