@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--primary:#2258c3;--primary-hover:#3c71dd;--primary-light:#d4e0f7;--primary-glow:#2662d926;--accent:#eebd2b;--accent-hover:#f2cc5a;--accent-glow:#eebd2b26;--accent-gradient:linear-gradient(135deg, #2258c3, #eebd2b);--bg-primary:#101218;--bg-secondary:#191c24;--bg-tertiary:#22262f;--bg-hover:#2b2f3b;--bg-input:#1d202a;--text-primary:#e8eaee;--text-secondary:#9da3af;--text-muted:#6a707c;--text-inverse:#101218;--success:#28bd66;--warning:#f49d25;--error:#dd3c3c;--info:#30abe8;--border:#272a35;--border-hover:#363b49;--border-focus:var(--primary);--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 24px #00000080;--shadow-glow:0 0 20px var(--primary-glow);--shadow-glow-accent:0 0 20px var(--accent-glow);--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--font-sans:"Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", "SF Mono", "Fira Code", monospace;--text-xs:12px;--text-sm:14px;--text-base:16px;--text-lg:18px;--text-xl:20px;--text-2xl:24px;--text-3xl:32px;--text-4xl:40px;--text-5xl:48px;--leading-tight:1.3;--leading-normal:1.6;--leading-relaxed:1.8;--sidebar-width:260px;--sidebar-collapsed:60px;--header-height:56px;--chat-max-width:768px;--content-max-width:960px;--transition-fast:.15s ease;--transition-base:.2s ease;--transition-slow:.3s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:var(--text-base)}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 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var(--transition-base);flex-direction:column;display:flex;position:sticky;top:0;overflow:hidden auto}.sidebar-header{padding:var(--space-md);border-bottom:1px solid var(--border);align-items:center;gap:var(--space-sm);flex-shrink:0;display:flex}.sidebar-logo{background:linear-gradient(135deg,#2258c3,#eebd2b);-webkit-text-fill-color:transparent;letter-spacing:-.02em;align-items:center;gap:var(--space-xs);-webkit-background-clip:text;background-clip:text;font-size:1.1rem;font-weight:700;display:flex}.sidebar-logo-icon{font-size:1.3rem}.sidebar-section{padding:var(--space-md);flex-shrink:0}.sidebar-section-grow{padding:var(--space-md);flex-direction:column;flex:1;min-height:0;display:flex}.sidebar-label{text-transform:uppercase;color:var(--text-muted);letter-spacing:.08em;margin-bottom:var(--space-sm);font-size:.68rem;font-weight:600}.sidebar-list{flex-direction:column;gap:2px;list-style:none;display:flex}.sidebar-item{align-items:center;gap:var(--space-sm);padding:var(--space-sm) 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var(--border);flex-direction:column;flex-shrink:0;gap:4px;display:flex}.filter-chip-group{align-items:center;gap:var(--space-sm);display:flex}.filter-chip-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);min-width:50px;font-size:.65rem;font-weight:600}.filter-chips{flex-wrap:wrap;gap:4px;display:flex}.filter-chip{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-tertiary);width:28px;height:28px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:.85rem;display:flex}.filter-chip:hover{border-color:var(--border-hover);color:var(--text-primary)}.filter-chip.active{background:var(--primary-glow);border-color:var(--primary);color:var(--primary-light)}.note-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-md);cursor:pointer;transition:all 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