:root{--bg-app: #ffffff;--bg-card: #ffffff;--surface: #ffffff;--sidebar-bg: #1a4fbf;--sidebar-bg-mid: #2563eb;--sidebar-bg-elevated: rgba(255, 255, 255, .12);--sidebar-border: rgba(255, 255, 255, .14);--sidebar-text: #f8fafc;--sidebar-text-muted: rgba(248, 250, 252, .72);--sidebar-hover: rgba(255, 255, 255, .1);--sidebar-active-bg: rgba(255, 255, 255, .16);--sidebar-active-border: #93c5fd;--sidebar-accent: #5b8fff;--sidebar-accent-soft: rgba(255, 255, 255, .2);--accent-interactive: var(--sidebar-bg-mid);--accent-interactive-hover: #1d4ed8;--accent-subtle-bg: #eff6ff;--accent-subtle-border: #bfdbfe;--accent-flow-end: #3b82f6;--accent-button-gradient: linear-gradient(135deg, #3d7cff, #5b8fff);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--text-subtle: #94a3b8;--accent-muted: #3f3f46;--surface-muted: #f8fafc;--border: #e2e8f0;--border-strong: #cbd5e1;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);--radius: 12px;--radius-sm: 8px;--font-sans: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, sans-serif;--font-nav-extract: "IBM Plex Sans", "Inter", system-ui, -apple-system, sans-serif;--font-heading: var(--font-sans);--font-mono: "JetBrains Mono", ui-monospace, monospace}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);background:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.pdf-page-view__canvas-shell{opacity:0;transition:opacity .22s ease;min-height:120px;border-radius:var(--radius-sm);background:linear-gradient(180deg,#f8fafc,#e2e8f0)}.pdf-page-view__canvas-shell--visible{opacity:1}.thin-scrollbar{scrollbar-width:thin;scrollbar-color:#c1c7d1 transparent}.thin-scrollbar::-webkit-scrollbar{width:4px;height:4px}.thin-scrollbar::-webkit-scrollbar-track{background:transparent}.thin-scrollbar::-webkit-scrollbar-thumb{background:#c1c7d1;border-radius:100px}.thin-scrollbar::-webkit-scrollbar-thumb:hover{background:#94a3b8}