:root{--primary:#0f172a;--primary-light:#1e293b;--accent:#d97706;--accent-hover:#b45309;--background:#f8fafc;--surface:#fff;--text-main:#0f172a;--text-secondary:#64748b;--border:#e2e8f0;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:2rem;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;padding:0 var(--spacing-md);margin:0 auto}.btn{border-radius:var(--radius-md);border:none;justify-content:center;align-items:center;padding:.5rem 1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-light)}.btn-accent{background-color:var(--accent);color:#fff}.btn-accent:hover{background-color:var(--accent-hover)}.btn-outline{border:1px solid var(--border);color:var(--text-main);background-color:#0000}.btn-outline:hover{background-color:var(--background);border-color:var(--text-secondary)}.card{background-color:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);padding:var(--spacing-lg)}.text-xl{font-size:var(--text-xl);font-weight:600}.text-2xl{font-size:var(--text-2xl);font-weight:700}.text-secondary{color:var(--text-secondary)}.mb-4{margin-bottom:1rem}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-4{gap:1rem}