:root{--bg-primary:#faf8f5;--bg-secondary:#f3efe8;--bg-surface:#fffdf9;--border:#e8e0d4;--text-primary:#3d3229;--text-secondary:#8b7355;--text-muted:#b0a090;--accent:#a08060;--accent-hover:#8a6d50;--chat-user-bg:#f5f0e8;--chat-ai-bg:#eef3ee;--error:#c44;--success:#4a8}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.5}.prose-editor{color:var(--text-primary);font-family:Georgia,Times New Roman,serif;font-size:16px;line-height:1.8}.prose-editor p{margin-bottom:1em}.label{text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);font-size:11px;font-weight:600}h1,h2,h3{color:var(--text-primary);font-family:Georgia,Times New Roman,serif}.btn{border:1px solid var(--border);background:var(--bg-surface);color:var(--text-primary);cursor:pointer;border-radius:6px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;transition:all .12s;display:inline-flex;position:relative;top:0;box-shadow:0 1px 2px #3d32291a,inset 0 1px #fff9}.btn:hover{background:var(--bg-secondary);box-shadow:0 2px 4px #3d322926,inset 0 1px #fff9}.btn:active{background:var(--border);box-shadow:inset 0 2px 6px #3d322940,inset 0 1px 2px #3d32291a}.btn:disabled{opacity:.6;cursor:default;box-shadow:none;top:0}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 1px 2px #3d322926,inset 0 1px #ffffff26}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 2px 4px #3d322933,inset 0 1px #ffffff26}.btn-primary:active{background:var(--accent-hover);box-shadow:inset 0 2px 6px #0000004d,inset 0 1px 2px #00000026}.btn-danger{color:var(--error);border-color:var(--error)}.input{border:1px solid var(--border);background:var(--bg-surface);color:var(--text-primary);border-radius:6px;width:100%;padding:8px 12px;font-size:14px}.input:focus{border-color:var(--accent);outline:none}.thinking-dots:after{content:"";animation:1.5s steps(4,end) infinite dots}@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:8px;padding:16px}.modal-overlay{z-index:50;background:#3d32294d;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;width:100%;max-width:480px;padding:24px;box-shadow:0 4px 24px #3d322926}