:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--secondary-color: #10b981;--background-color: #f3f4f6;--surface-color: #ffffff;--text-color: #1f2937;--text-muted: #6b7280;--error-color: #ef4444;--border-radius: 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 -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--font-family: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:flex;flex-direction:column;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:1rem}a{color:var(--primary-color);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background-color:var(--surface-color);border-radius:var(--border-radius);box-shadow:var(--shadow-md);padding:2rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--border-radius);font-weight:600;border:none;transition:all .2s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-color)}.form-control{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:var(--border-radius);font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.text-center{text-align:center}.mb-4{margin-bottom:1rem}.mt-4{margin-top:1rem}