:root{--primary-color: #10B981;--primary-hover: #059669;--accent-blue: #38BDF8;--secondary-color: #06B6D4;--bg-color: #0F172A;--card-bg: #1E293B;--text-main: #F8FAFC;--text-muted: #94A3B8;--font-family: "Inter", system-ui, -apple-system, sans-serif}.brand-gradient{background:linear-gradient(135deg,var(--primary-color),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent}body{margin:0;padding:0;font-family:var(--font-family),sans-serif;background-color:var(--bg-color);color:var(--text-main);box-sizing:border-box}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;max-width:1200px;margin:0 auto;width:100%;box-sizing:border-box}.btn{padding:.75rem 1.5rem;border-radius:8px;border:none;font-weight:600;cursor:pointer;transition:all .2s ease-in-out}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#0f172a;font-weight:700;box-shadow:0 4px 14px #10b98159}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px #10b98173}.btn-large{font-size:1.1rem;padding:1rem 2rem}.loading-text{color:var(--text-muted);font-size:.9rem}@media(max-width:480px){.navbar{padding:1rem 1.25rem}.btn-large{width:100%;box-sizing:border-box}}