:root{--bg-color: #f8fafc;--text-primary: #1e293b;--text-secondary: #64748b;--accent-blue: #3b82f6;--snow-white: #ffffff;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--header-height: 64px}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5}.container{max-width:800px;margin:0 auto;padding:0 1rem}.minimal-card{background:var(--snow-white);border-radius:12px;padding:1.5rem;box-shadow:var(--card-shadow);border:1px solid #e2e8f0}.title-large{font-size:2.5rem;font-weight:800;letter-spacing:-.025em;margin-bottom:.5rem}.subtitle{color:var(--text-secondary);font-size:1.1rem}.ad-space{background:#f1f5f9;border:1px dashed #cbd5e1;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:.8rem;margin:2rem 0}.ad-banner{width:100%;height:90px}.ad-sidebar{width:300px;height:250px}