:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--bg-hover:#475569;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#3b82f6;--accent-hover:#2563eb;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--border:#334155;--border-light:#475569;--shadow:rgba(0,0,0,.3)}*{box-sizing:border-box;margin:0;padding:0}body,html{background-color:var(--bg-primary);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}.container{margin:0 auto;max-width:100%;padding:0 1.5rem}.btn{align-items:center;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);display:inline-flex;font-size:.875rem;font-weight:500;gap:.5rem;padding:.5rem 1rem;transition:all 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.375em}.markdown-content pre{background:var(--bg-primary);border-radius:6px;margin-bottom:.5em;overflow-x:auto;padding:1rem}.markdown-content pre code{background:none;padding:0}.markdown-content img{border-radius:6px;max-width:100%}.markdown-content blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);margin-bottom:.5em;padding-left:1rem}.loading-overlay{align-items:center;background:#00000059;display:flex;top:0;right:0;bottom:0;left:0;justify-content:center;position:fixed;z-index:5000}.spinner{animation:spin .7s linear infinite;border:4px solid var(--border-light);border-radius:50%;border-top-color:var(--accent);height:48px;width:48px}@keyframes spin{to{transform:rotate(1turn)}}.lightbox{align-items:center;background:#000000e6;cursor:pointer;display:flex;top:0;right:0;bottom:0;left:0;justify-content:center;position:fixed;z-index:2000}.lightbox 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