*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--c-primary:#4f46e5;--c-primary-light:#eef2ff;--c-primary-dark:#3730a3;--c-success:#16a34a;--c-success-light:#f0fdf4;--c-error:#dc2626;--c-error-light:#fef2f2;--c-warning:#d97706;--c-warning-light:#fffbeb;--c-gray-50:#f9fafb;--c-gray-100:#f3f4f6;--c-gray-200:#e5e7eb;--c-gray-400:#9ca3af;--c-gray-600:#4b5563;--c-gray-700:#374151;--c-gray-900:#111827;--radius:.75rem;--shadow-sm:0 1px 3px #00000014;--shadow:0 4px 16px #0000001a}html{font-family:system-ui,-apple-system,sans-serif;font-size:16px}body{background:var(--c-gray-50);color:var(--c-gray-900);-webkit-tap-highlight-color:transparent;line-height:1.5}button{cursor:pointer;font-family:inherit}input,textarea{font-family:inherit}a{color:inherit}.task-prompt{color:var(--c-gray-900);font-size:1.35rem;font-weight:600;line-height:1.5;display:block}.task-prompt mjx-container{vertical-align:middle}.task-prompt mjx-container svg{font-size:120%!important}.btn{border-radius:var(--radius);cursor:pointer;-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:opacity .15s,background .15s;display:inline-flex}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--c-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--c-primary-dark)}.btn-success{background:var(--c-success);color:#fff}.btn-outline{color:var(--c-primary);border:2px solid var(--c-primary);background:0 0}.btn-lg{padding:1rem 2rem;font-size:1.1rem}.btn-full{width:100%}