@font-face{font-family:Manrope;src:url('/fonts/manrope-latin-wght-normal.woff2') format('woff2');font-weight:200 800;font-display:swap}
@font-face{font-family:'Noto Sans Devanagari';src:url('/fonts/noto-sans-devanagari-devanagari-wght-normal.woff2') format('woff2');font-weight:100 900;font-display:swap}
:root{--bg-app:#f5f6fa;--bg-surface:#fff;--bg-elevated:#f6f8fd;--bg-canvas:#e9edf4;--bg-subtle:#eef1f8;--text-primary:#17233c;--text-secondary:#54617b;--text-muted:#67748a;--border-color:#e0e6f0;--border-strong:#c5cee0;--accent-primary:#5949db;--accent-primary-hover:#4736c6;--accent-secondary:#167b91;--accent-soft:#eeeafd;--accent-blue-soft:#e6f3f7;--font-sans:'Manrope','Noto Sans Devanagari',system-ui,sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--shadow-lg:0 20px 80px #14213d23}
[data-theme=dark]{--bg-app:#0b101d;--bg-surface:#111a2b;--bg-elevated:#162238;--bg-canvas:#0b1323;--bg-subtle:#1c2941;--text-primary:#e7eefb;--text-secondary:#b1bfd7;--text-muted:#95a7c3;--border-color:#25334e;--border-strong:#405374;--accent-primary:#a396ff;--accent-primary-hover:#bcafff;--accent-secondary:#6fd5e3;--accent-soft:#a396ff1e;--accent-blue-soft:#6fd5e314;--shadow-lg:0 22px 90px #0008}
html{color-scheme:light}html[data-theme=dark]{color-scheme:dark}.study-desk-app{height:100dvh;min-height:0}.top-header{padding:12px 20px;min-height:76px;background:var(--bg-surface);gap:16px}.brand-cluster{gap:12px;flex:1}.brand-logo{position:relative;width:38px;height:42px;flex-shrink:0;background:linear-gradient(145deg,#7466ef,#4134aa);box-shadow:0 5px 15px #5e48d52b;color:white;font-weight:800;font-size:21px;text-decoration:none;border-radius:12px 12px 12px 4px}.brand-logo span{font-size:17px;align-self:flex-end;margin-bottom:9px}.brand-logo i{position:absolute;width:5px;height:5px;border-radius:50%;background:#86e3ce;right:-2px;top:-2px;border:2px solid var(--bg-surface)}.brand-h1{display:flex;align-items:center;gap:10px;font-size:16px;letter-spacing:-.3px;font-weight:750}.brand-name{font-weight:800}.brand-title-divider{font-weight:400;color:var(--border-strong)}.doc-meta-bar{gap:6px;max-width:min(48vw,600px);font-size:10px;line-height:1.8}.save-badge{background:var(--success-bg);padding:2px 7px;font-size:9px;white-space:nowrap}#docNameBadge{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{gap:7px}.btn,.tool-btn,.compact-select{transition:background .15s,color .15s,border-color .15s,box-shadow .15s;font-size:12px}.btn{min-height:32px;border-radius:9px;padding:5px 10px;font-weight:650}.btn-icon{min-width:32px}.btn-primary{background:var(--accent-primary);border-color:var(--accent-primary);box-shadow:0 3px 8px #5949db18}#btnDownloadAnnotatedPdf{min-height:39px;padding:9px 13px}.btn-primary:hover{background:var(--accent-primary-hover)}[data-theme=dark] .btn-primary{color:#10162a}.desk-mode-strip{display:flex;align-items:center;justify-content:space-between;min-height:34px;padding:5px 20px;background:var(--bg-elevated);border-bottom:1px solid var(--border-color);flex-shrink:0;gap:10px}.desk-workspace-label{display:flex;align-items:center;gap:8px;font-size:9px;font-weight:800;letter-spacing:1.7px;color:var(--text-muted)}.desk-workspace-label i{width:6px;height:6px;border-radius:50%;background:#2baa9c;box-shadow:0 0 0 3px #2baa9c14}.desk-switch-links{display:flex;align-items:center;gap:17px;font-size:10px}.desk-switch-links a{color:var(--text-secondary);text-decoration:none}.desk-switch-links a:hover{color:var(--accent-primary)}.main-toolbar{gap:10px;padding:9px 16px;min-height:53px;scrollbar-width:thin;background:var(--bg-surface)}.tool-group{gap:5px}.tool-btn{min-height:32px;border-radius:9px;padding:5px 10px;border:1px solid transparent;font-size:11px;font-weight:650;white-space:nowrap}.tool-btn.active{background:var(--accent-soft);color:var(--accent-primary);border-color:color-mix(in srgb,var(--accent-primary) 25%,transparent);box-shadow:none}.toolbar-divider{height:23px;margin:0 4px}.sub-toolbar{padding:8px 16px;gap:9px;background:var(--bg-elevated)}.compact-input,.compact-select{border-radius:7px;min-height:28px;max-width:100%}.color-swatch{width:19px;height:19px;box-shadow:inset 0 0 0 1px #0001}.color-swatch.active{outline:2px solid var(--accent-primary);outline-offset:3px}.workspace-body{min-height:0}.left-panel{width:186px;flex-shrink:0;background:var(--bg-surface)}.panel-tabs{padding:9px 8px 0;gap:3px;min-height:46px;background:var(--bg-surface)}.panel-tab{font-size:10px;border-radius:7px 7px 0 0;font-weight:700;padding:9px 6px;min-width:0;line-height:1.5}.panel-tab.active{color:var(--accent-primary);border-color:var(--accent-primary)}.panel-content{padding:12px}.thumb-card{border-radius:10px;padding:8px;margin-bottom:10px;background:var(--bg-elevated);border:1px solid var(--border-color);box-shadow:none}.thumb-card.active{border-color:var(--accent-primary);box-shadow:0 0 0 2px var(--accent-soft)}.thumb-card-header{font-size:9px}.thumb-actions{gap:4px}.thumb-actions button{font-size:10px;min-height:23px;background:var(--bg-surface);border-radius:5px}.desk-page-mini{display:block;width:100%;height:100px;object-fit:contain;background:white;margin:8px auto;border:1px solid #d9e0ed;border-radius:4px}.right-panel{width:332px;flex-shrink:0;background:var(--bg-surface)}.right-panel.wide-notes{width:42vw;max-width:580px}.right-panel .panel-tabs{padding-inline:5px;gap:1px}.right-panel .panel-tab{font-size:10px;flex:1}.note-card,.annot-item-card{border-radius:10px;padding:12px;border-color:var(--border-color);background:var(--bg-elevated);box-shadow:none;line-height:1.8}.right-panel textarea{background:var(--bg-surface);line-height:1.8;font-size:12px}.right-panel .compact-input{min-width:0}.right-panel [style*='display:flex']{min-width:0}.right-panel label{line-height:1.7}.pdf-viewport-scroll{background-color:var(--bg-canvas);background-image:radial-gradient(var(--border-strong) .65px,transparent .65px);background-size:14px 14px;padding:28px 24px 70px;overflow-anchor:none}.pdf-page-wrapper{margin:0 auto 35px;box-shadow:0 5px 28px #1b29451c;border:0;border-radius:2px;flex-shrink:0}.page-badge-footer{font-size:9px;bottom:-22px;color:var(--text-muted)}.pdf-render-canvas{border-radius:2px}.textLayer{line-height:1;transform-origin:0 0}.textLayer span{white-space:pre;cursor:text;color:transparent}.textLayer ::selection{background:#7362f04d;color:transparent}.pdf-search-match{background:#ffca2880!important}.pdf-search-match-active{outline:2px solid #f59e0b;background:#ffb300ad!important}.scanned-page-pill{font-size:9px;line-height:1.6;max-width:90%;white-space:normal}.modal-backdrop{backdrop-filter:blur(8px);background:#0c142552}.modal-dialog{border:1px solid var(--border-color);border-radius:20px;box-shadow:var(--shadow-lg);max-height:88dvh;overflow:auto;line-height:1.8}.modal-dialog h3{font-size:16px}.modal-dialog p{line-height:1.9}.toast{border-radius:12px;box-shadow:var(--shadow-lg);line-height:1.8}.empty-upload-card{max-width:830px;margin:35px auto;padding:40px 30px;border:1px solid var(--border-color);border-radius:22px;background:var(--bg-surface);box-shadow:0 12px 50px #25345008}.empty-upload-card h2{font-size:23px!important;line-height:1.6}.empty-upload-card>p{max-width:620px;margin:8px auto 24px!important;line-height:1.9}.desk-upload-symbol{display:flex;align-items:center;justify-content:center;width:62px;height:62px;margin:0 auto 16px;background:linear-gradient(145deg,var(--accent-soft),var(--accent-blue-soft));border-radius:20px;font-size:32px;color:var(--accent-primary);border:1px solid var(--border-color)}.desk-eyebrow{display:block;margin:0 0 10px;font-size:9px;letter-spacing:2px;font-weight:800;color:var(--accent-primary)}.sample-grid{gap:10px}.sample-card{padding:16px;border-radius:12px;background:var(--bg-elevated);border:1px solid var(--border-color);gap:8px;line-height:1.8}.sample-card:hover{border-color:var(--accent-primary);background:var(--accent-soft)}.desk-help-title{font-weight:800}.selection-quick-bar{max-width:95vw;flex-wrap:wrap}.focus-exit{display:none;position:fixed;right:15px;top:12px;z-index:60;box-shadow:var(--shadow-md)}.focus-mode .focus-exit{display:block}.focus-mode .desk-mode-strip{display:none}.mobile-bottom-dock{padding-bottom:max(8px,env(safe-area-inset-bottom));background:var(--bg-surface);border-top:1px solid var(--border-color)}.mobile-bottom-dock .tool-btn{min-height:40px;padding:8px;font-size:10px}.search-bar-strip{flex-wrap:wrap;gap:7px}.comparison-header{flex-wrap:wrap;line-height:1.7}.comparison-pane{min-width:0}.desk-info-guide{margin-top:22px;padding-top:20px;border-top:1px solid var(--border-color);text-align:left;font-size:12px;line-height:1.9;color:var(--text-secondary)}.desk-info-guide summary{cursor:pointer;font-weight:800;color:var(--text-primary)}.desk-info-guide a{color:var(--accent-primary)}
@media(min-width:1600px){.left-panel{width:210px}.right-panel{width:370px}.brand-h1{font-size:18px}.panel-tab{font-size:11px!important}}
@media(max-width:1100px){.top-header{padding:10px 12px}.brand-h1{font-size:14px}.header-actions{gap:4px}.header-actions .btn{padding:5px 7px;font-size:10px}.left-panel{width:154px}.right-panel{width:290px}.doc-meta-bar{max-width:40vw}.brand-logo{width:31px;height:36px}.right-panel .panel-tab{font-size:9px}.pdf-viewport-scroll{padding-inline:14px}}
@media(max-width:850px){.left-panel,.right-panel,.right-panel.wide-notes{position:absolute;top:0;bottom:0;z-index:40;box-shadow:var(--shadow-lg);max-width:88vw}.workspace-body{position:relative}.left-panel{left:0;width:220px}.right-panel,.right-panel.wide-notes{right:0;width:330px}.left-panel.collapsed,.right-panel.collapsed{display:none}.top-header{min-height:67px}.brand-name,.brand-title-divider{display:none}.brand-h1{font-size:14px;line-height:1.5}.doc-meta-bar{max-width:42vw;font-size:8px}#docNameBadge{max-width:130px}#docDimBadge{display:none}.save-badge{font-size:8px}.header-actions #btnOpenProjectsModal{display:none}.header-actions #btnFocusMode{display:none}.header-actions #btnShortcutsHelp{display:inline-flex}.header-actions #btnDownloadAnnotatedPdf{min-height:33px}.header-actions #btnDownloadAnnotatedPdf span{display:none}.main-toolbar{padding:7px 9px;min-height:48px}.sub-toolbar{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding:7px 9px;min-height:46px}.style-controls,.page-nav-controls,.view-controls{flex-shrink:0}.desk-mode-strip{padding-inline:12px;min-height:30px}.desk-switch-links{font-size:9px;gap:12px}.desk-workspace-label{font-size:8px;letter-spacing:.8px}.mobile-bottom-dock{display:flex}.pdf-viewport-scroll{padding:20px 12px 82px}.empty-upload-card{margin:8px auto;padding:25px 15px}.empty-upload-card h2{font-size:19px!important}.modal-dialog{max-width:94vw;padding:20px}.tool-btn{font-size:10px}.sample-grid{grid-template-columns:1fr 1fr}.search-bar-strip input[type=text]{max-width:55vw}}
@media(max-width:400px){.brand-cluster{gap:7px}.top-header{gap:5px;padding-inline:8px}.header-actions #btnShortcutsHelp{display:none}.brand-h1{font-size:12px}.header-actions #btnLangToggle{font-size:9px}.desk-switch-links{gap:9px}.sample-grid{grid-template-columns:1fr}.doc-meta-bar{max-width:38vw}.mobile-bottom-dock .tool-btn{font-size:9px;padding-inline:6px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
.btn{background:var(--bg-elevated);border-color:var(--border-color);color:var(--text-primary)}.btn.btn-primary{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.btn.btn-secondary{background:var(--accent-secondary);border-color:var(--accent-secondary);color:white}.btn.btn-danger{color:var(--danger-color);background:var(--danger-bg);border-color:var(--danger-color)}[data-theme=dark] .btn.btn-primary{color:#10162a}.tool-btn{display:inline-flex;align-items:center;justify-content:center;gap:5px}.btn svg,.tool-btn svg{width:15px;height:15px;flex-shrink:0;vertical-align:middle;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}.top-header .btn{gap:6px}.toast-container{max-height:35dvh;overflow:hidden}.toast-item{max-width:min(370px,90vw);font-size:12px;line-height:1.7}