:root{--brand-primary:#4f46e5;--brand-primary-hover:#4338ca;--brand-secondary:#7c3aed;--brand-accent:#6366f1;--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--text-primary:#1e293b;--text-secondary:#475569;--text-muted:#64748b;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--border-color:#334155;--shadow-sm:0 1px 2px 0 #00000080;--shadow-md:0 4px 6px -1px #00000080, 0 2px 4px -2px #00000080;--shadow-lg:0 10px 15px -3px #00000080, 0 4px 6px -4px #00000080}*{box-sizing:border-box;transition:background-color .2s,color .2s,border-color .2s}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:12px;padding:1.5rem}.btn-primary{background-color:var(--brand-primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.6rem 1.2rem;font-weight:600;transition:background-color .2s}.btn-primary:hover{background-color:var(--brand-primary-hover)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;border-radius:8px;padding:.6rem 1.2rem;font-weight:600;transition:all .2s}.btn-secondary:hover{background-color:var(--border-color)}