:root{--surface: #111113;--surface-elevated: #1a1a1f;--surface-hover: #222228;--border: #2a2a32;--border-subtle: #1f1f27;--text-primary: #e8e6e3;--text-secondary: #9d9b97;--text-muted: #5c5a57;--accent: #e2a04a;--accent-dim: rgba(226, 160, 74, .2);--accent-glow: rgba(226, 160, 74, .08);--user-bubble: #252530;--sidebar-bg: #0d0d0f;--font-display: "Cormorant Garamond", Georgia, serif;--font-body: "DM Sans", -apple-system, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}::selection{background:var(--accent-dim);color:var(--accent)}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}@keyframes slideIn{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideUp{0%{transform:translate(-50%,10px);opacity:0}to{transform:translate(-50%);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,80%,to{opacity:.3}40%{opacity:1}}.toolbar-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;font-size:11.5px;font-weight:500;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;font-family:var(--font-mono);letter-spacing:.04em;transition:all .15s ease;white-space:nowrap}.toolbar-btn:hover{background:var(--surface-hover);color:var(--text-primary);border-color:var(--text-muted)}.toolbar-btn:active{transform:scale(.97)}.toolbar-btn.accent{border-color:var(--accent-dim);color:var(--accent)}.toolbar-btn.accent:hover{background:var(--accent-dim)}.toolbar-btn:disabled{opacity:.3;cursor:default}.toolbar-btn:disabled:hover{background:transparent;color:var(--text-secondary);border-color:var(--border)}.note-editor{width:100%;height:100%;resize:none;border:none;outline:none;background:transparent;color:var(--text-primary);font-family:var(--font-body);font-size:14.5px;line-height:1.75;padding:32px 40px;letter-spacing:.005em}.note-editor::placeholder{color:var(--text-muted)}.chat-input-area{display:flex;align-items:flex-end;gap:8px;padding:14px 16px;border-top:1px solid var(--border);background:var(--surface)}.chat-input{flex:1;resize:none;border:1px solid var(--border);border-radius:8px;padding:10px 14px;font-size:13px;background:var(--surface-elevated);color:var(--text-primary);outline:none;font-family:var(--font-body);line-height:1.5;max-height:120px;min-height:40px;transition:border-color .15s ease}.chat-input:focus{border-color:var(--accent-dim)}.chat-input::placeholder{color:var(--text-muted)}.send-btn{width:36px;height:36px;border-radius:8px;border:none;background:var(--accent);color:#000;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s ease}.send-btn:hover{filter:brightness(1.1)}.send-btn:active{transform:scale(.95)}.send-btn:disabled{background:var(--border);cursor:default;color:var(--text-muted)}.rendered-md{padding:32px 40px;color:var(--text-primary);font-family:var(--font-body);font-size:14.5px;line-height:1.75;letter-spacing:.005em}.rendered-md h1{font-family:var(--font-display);font-size:28px;font-weight:400;margin:0 0 16px;color:var(--text-primary);line-height:1.3}.rendered-md h2{font-family:var(--font-display);font-size:21px;font-weight:400;margin:28px 0 12px;color:var(--text-primary);line-height:1.3;padding-bottom:6px;border-bottom:1px solid var(--border-subtle)}.rendered-md h3{font-size:16px;font-weight:600;margin:20px 0 8px;color:var(--text-primary)}.rendered-md p{margin:0 0 12px}.rendered-md strong{color:var(--text-primary);font-weight:600}.rendered-md em{color:var(--text-secondary);font-style:italic}.rendered-md code{background:var(--surface);padding:2px 6px;border-radius:4px;font-family:var(--font-mono);font-size:12.5px;color:var(--accent)}.rendered-md blockquote{border-left:3px solid var(--accent-dim);padding:8px 16px;margin:12px 0;color:var(--text-secondary);font-style:italic;background:var(--accent-glow);border-radius:0 6px 6px 0}.rendered-md ul{margin:8px 0;padding-left:20px}.rendered-md li{margin:4px 0;color:var(--text-secondary)}.rendered-md li strong{color:var(--text-primary)}.rendered-md hr{border:none;border-top:1px solid var(--border);margin:20px 0}.rendered-md table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13px}.rendered-md th,.rendered-md td{padding:8px 12px;border:1px solid var(--border);text-align:left}.rendered-md th{background:var(--surface);color:var(--text-primary);font-weight:600;font-size:12px;font-family:var(--font-mono);letter-spacing:.02em}.rendered-md td{color:var(--text-secondary)}.rendered-md input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border-radius:3px;border:1.5px solid var(--border);margin-right:8px;vertical-align:middle;position:relative;top:-1px}.rendered-md input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}.rendered-md .contains-task-list{list-style:none;padding-left:0}.rendered-md a{color:var(--accent);text-decoration:none}.rendered-md a:hover{text-decoration:underline}.rendered-md pre{background:var(--surface);padding:12px 16px;border-radius:6px;overflow-x:auto;margin:12px 0}.rendered-md pre code{background:transparent;padding:0;font-size:12.5px;color:var(--text-secondary)}.rendered-md ol{margin:8px 0;padding-left:20px}.rendered-md ol li{margin:4px 0;color:var(--text-secondary)}.rendered-md img{max-width:100%;border-radius:6px}.sidebar-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;cursor:pointer;transition:all .1s ease;font-size:13px;color:var(--text-secondary);position:relative}.sidebar-item:hover{background:var(--surface-hover);color:var(--text-primary)}.sidebar-item.active{background:var(--accent-glow);color:var(--text-primary);border-left:2px solid var(--accent)}.sidebar-item .delete-btn{opacity:0;position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);cursor:pointer;padding:2px;border-radius:3px;display:flex;align-items:center;transition:opacity .1s}.sidebar-item:hover .delete-btn{opacity:1}.sidebar-item .delete-btn:hover{color:#e25a5a}