:root{--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--bg-dark:#f3f4f6;--bg-card:#fff;--bg-hover:#f9fafb;--text-primary:#1f2937;--text-secondary:#4b5563;--text-muted:#9ca3af;--brand-primary:#3b82f6;--brand-secondary:#2563eb;--brand-gradient:linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--border-color:#e5e7eb;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -2px #00000008;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600;line-height:1.2}a{color:var(--brand-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--brand-secondary)}.glass-panel{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1.5rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s ease-out forwards fadeIn}.btn{border-radius:var(--radius-md);cursor:pointer;font-weight:500;font-family:var(--font-sans);border:none;justify-content:center;align-items:center;padding:.5rem 1rem;transition:all .2s;display:inline-flex}.btn-primary{background:var(--brand-gradient);color:#fff;box-shadow:0 4px 14px #3b82f663}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #3b82f63b}