:root{--primary: #1e5160;--primary-hover: #143842;--primary-light: #e6f0f2;--danger: #dc2626;--danger-hover: #b91c1c;--success: #16a34a;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .05);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--gray-50);color:var(--gray-800);line-height:1.5;-webkit-font-smoothing:antialiased}.navbar-auth{background-color:#fff;border-bottom:1px solid var(--gray-200);padding:1rem 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